CN209458269U - A kind of automobile crane - Google Patents
A kind of automobile crane Download PDFInfo
- Publication number
- CN209458269U CN209458269U CN201822024617.3U CN201822024617U CN209458269U CN 209458269 U CN209458269 U CN 209458269U CN 201822024617 U CN201822024617 U CN 201822024617U CN 209458269 U CN209458269 U CN 209458269U
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- fixed
- sprocket wheel
- crank
- rotation axis
- pin
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Abstract
The utility model discloses a kind of automobile cranes, balance mechanism including the setting of crank arm, crank-pin, rotation axis, sprocket wheel and crank arm one end, the side of the sprocket wheel is provided with fixed mechanism, the fixed mechanism includes fixed block, fixed ring, hexagon-headed bolt, card slot, fixed lobe, connecting hole, thread groove and threaded hole, the crank arm is fixed on the two sides of crank-pin, the rotation axis is fixed on the side of crank arm, and the sprocket wheel is set in the surface of rotation axis；The fixed mechanism structure of the utility model is simple, user-friendly use, sprocket wheel is fixed by the fixed lobe on surface with card slot, facilitate sprocket wheel installation fixed and disassembly, improves the installation speed of worker, and reduce the use cost of user, fixed ring screws fixation by hexagon-headed bolt and thread groove, fixed ring is facilitated to be fixed on the surface of rotation axis, preventing sprocket wheel on the surface of rotation axis, sliding falls off, and the stability for increasing sprocket wheel improves the service life of sprocket wheel.
Description
Technical field
The utility model belongs to crankshaft technical field, and in particular to a kind of automobile crane.
Background technique
Crankshaft is most important component in engine, it bears the power that connecting rod transmits, and is transformed into torque and passes through song
Axis exports and other attachmentes on engine is driven to work.Crankshaft is by the centrifugal force of gyrating mass, the gas inertia of mechanical periodicity
The collective effect of power and reciprocal inertia force makes crankshaft bear the effect of flexion torsion load.
Existing crankshaft is during working long hours, bent when sprocket wheel damage since sprocket wheel and crankshaft are fixed as one
Axis maintenance difficult and scrappage is big, the maintenance difficulty for increasing service worker reduce work task efficiency, improve the use of user
The problem of cost, thus it is proposed that a kind of automobile crane.
Utility model content
The purpose of this utility model is to provide a kind of automobile cranes, to solve to propose existing song in above-mentioned background technique
Axis is during working long hours, and since sprocket wheel and crankshaft are fixed as one, crankshaft maintenance difficult and scraps when sprocket wheel damage
The problem of rate is big, and increasing the maintenance difficulty of service worker reduces work task efficiency, improve the use cost of user.
To achieve the above object, the utility model provides the following technical solutions: a kind of automobile crane, including crank arm, song
Handle pin, rotation axis, sprocket wheel and the balance mechanism of crank arm one end setting, the side of the sprocket wheel are provided with fixed mechanism, institute
Stating fixed mechanism includes fixed block, fixed ring, hexagon-headed bolt, card slot, fixed lobe, connecting hole, thread groove and threaded hole, institute
The two sides that crank arm is fixed on crank-pin are stated, the rotation axis is fixed on the side of crank arm, and the sprocket wheel is arranged
On the surface of rotation axis, the fixed block is fixed on the surface of rotation axis and is located at the side of sprocket wheel, and the fixed ring is fixed on
The side of sprocket wheel, the fixed lobe are symmetrically fixed on the surface of sprocket wheel and are placed on the inside of card slot, and the card slot is symmetrically opened
It is located at the side of fixed block, the connecting hole is provided with the side of sprocket wheel and fixed ring and is set in the surface of rotation axis, described
Thread groove is symmetrically provided with the surface of rotation axis, and the threaded hole is provided with the surface of fixed ring, the thread groove and threaded hole
Aperture it is identical, the hexagon-headed bolt is placed on the inside of threaded hole and screws fixation, the side of the crank arm with thread groove
Face is provided with lubricating structure.
Preferably, the lubricating structure includes oilhole, fixation hole and fixing groove, and the fixation hole is provided with the side of crank arm
Face and the middle position for being located at crank-pin, the fixing groove are symmetrically provided with the two sides of crank-pin, the inside of the fixation hole
Be connected to the inside of fixing groove, the oilhole is symmetrically provided with the surface of crank-pin, the inside of the oilhole and fixing groove it is interior
Portion's connection.
Preferably, the balance mechanism includes balance weight, and the balance weight is fixed on the side of crank arm, it is described
The side of balance weight offers lubrication groove.
Preferably, crank-pin is provided at the one side edge position of the crank arm, among the other side of the crank arm
Trunnion is fixed at position, the two sides of the trunnion are connected separately with crank arm, and the crank-pin and trunnion are circle
Column structure.
Preferably, the surface of the hexagon-headed bolt is provided with screw thread, and the inner surface of the thread groove is provided with screw thread, institute
The one end for stating hexagon-headed bolt runs through the inside of threaded hole and screws fixation with thread groove.
Compared with prior art, the utility model has the beneficial effects that
(1) the fixed mechanism structure of the utility model is simple, user-friendly use, and sprocket wheel is convex by the fixation on surface
Rise and be fixed with card slot, facilitate sprocket wheel installation fixed and dismantle, improve the installation speed of worker, and reduce the use of user at
This, fixed ring screws fixation by hexagon-headed bolt and thread groove, facilitates fixed ring to be fixed on the surface of rotation axis, prevents sprocket wheel
On the surface of rotation axis, sliding falls off, and the stability for increasing sprocket wheel improves the service life of sprocket wheel.
(2) side of crank arm opens up fixation hole is simultaneously connected to the inside of fixing groove and oilhole, facilitates the flowing of oil, is increased
Add the lubricant effect of crank-pin and connecting rod, reduces the frictional force of crank-pin and connecting rod, increase the durability of crank-pin, and mention
The service life of high crank-pin reduces the use cost of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sprocket wheel partial side the schematic diagram of the section structure of the utility model；
Fig. 3 is the rotation axis side elevational cross-section structural schematic diagram of the utility model；
Fig. 4 is that the crank-pin of the utility model faces the schematic diagram of the section structure；
In figure: 1, crank arm；2, oilhole；3, crank-pin；4, balance weight；5, trunnion；6, rotation axis；7, fixed block；8,
Sprocket wheel；9, fixed ring；10, hexagon-headed bolt；11, card slot；12, fixed lobe；13, connecting hole；14, thread groove；15, screw thread
Hole；16, fixation hole；17, fixing groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: a kind of automobile crane, including song
Shaft arm 1, crank-pin 3, rotation axis 6, sprocket wheel 8 and the balance mechanism of 1 one end of crank arm setting, the side of sprocket wheel 8 is provided with solid
Determine mechanism, fixed mechanism includes fixed block 7, fixed ring 9, hexagon-headed bolt 10, card slot 11, fixed lobe 12, connecting hole 13, spiral shell
Groove 14 and threaded hole 15, crank arm 1 are fixed on the two sides of crank-pin 3, and rotation axis 6 is fixed on the one of crank arm 1
Side, sprocket wheel 8 are set in the surface of rotation axis 6, and fixed block 7 is fixed on the surface of rotation axis 6 and is located at the side of sprocket wheel 8, fixed
Block 7 is fixedly connected with rotation axis 6 by injection molding, and fixed ring 9 is fixed on the side of sprocket wheel 8, and fixed ring 9 and sprocket wheel 8 pass through welding
It is fixedly connected, fixed lobe 12 is symmetrically fixed on the surface of sprocket wheel 8 and is placed on the inside of card slot 11, and card slot 11 is symmetrically provided with
The side of fixed block 7, connecting hole 13 are provided with the side of sprocket wheel 8 and fixed ring 9 and are set in the surface of rotation axis 6, thread groove
14 are symmetrically provided with the surface of rotation axis 6, and threaded hole 15 is provided with the surface of fixed ring 9, the hole of thread groove 14 and threaded hole 15
Diameter is identical, and hexagon-headed bolt 10 is placed on the inside of threaded hole 15 and screws fixation with thread groove 14, and sprocket wheel 8 is consolidated by surface
Fixed protrusion 12 is fixed with card slot 11, facilitates the installation of sprocket wheel 8 fixed and disassembly, improves the installation speed of worker, and reduce use
The use cost at family, fixed ring 9 screw fixation by hexagon-headed bolt 10 and thread groove 14, fixed ring 9 are facilitated to be fixed on rotation
The surface of axis 6, preventing sprocket wheel 8 on the surface of rotation axis 6, sliding falls off, and increases the stability of sprocket wheel 8, the side of crank arm 1 is set
It is equipped with lubricating structure.
In order to increase the lubricant effect of crank-pin 3, in the present embodiment, it is preferred that lubricating structure includes oilhole 2, fixation hole
16 and fixing groove 17, fixation hole 16 is provided with the side of crank arm 1 and is located at the middle position of crank-pin 3, and fixing groove 17 is right
Claim the two sides for being provided with crank-pin 3, the inside of fixation hole 16 is connected to the inside of fixing groove 17, and oilhole 2 is symmetrically provided with crank
The inside on the surface of pin 3, oilhole 2 is connected to the inside of fixing groove 17, the side of crank arm 1 offer fixation hole 16 and with fixation
Slot 17 is connected to the inside of oilhole 2, facilitates the flowing of oil, increases the lubricant effect of crank-pin 3 and connecting rod, reduces crank-pin 3
With the frictional force of connecting rod, increase the durability of crank-pin 3, and improves the service life of crank-pin 3.
In order to keep crank rotation to balance, prevent from shaking in the course of work, in the present embodiment, it is preferred that balance mechanism packet
Balance weight 4 is included, balance weight 4 is fixed on the side of crank arm 1, the side of balance weight 4 offers lubrication groove.
It is uniformly distributed in order to facilitate crank arm 1 and is connect with trunnion 5, in the present embodiment, it is preferred that the one of crank arm 1
It is provided with crank-pin 3 at side edge position, the other side middle position of crank arm 1 is fixed with trunnion 5, and the two of trunnion 5
Side is connected separately with crank arm 1, and crank-pin 3 and trunnion 5 are cylindrical structure.
On 6 surface of rotation axis, sliding falls off sprocket wheel 8 in order to prevent, in the present embodiment, it is preferred that the table of hexagon-headed bolt 10
Face is provided with screw thread, and the inner surface of thread groove 14 is provided with screw thread, and the inside of threaded hole 15 is run through in one end of hexagon-headed bolt 10
And fixation is screwed with thread groove 14.
Embodiment 2
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: a kind of automobile crane, including song
Shaft arm 1, crank-pin 3, rotation axis 6, sprocket wheel 8 and the balance mechanism of 1 one end of crank arm setting, the side of sprocket wheel 8 is provided with solid
Determine mechanism, fixed mechanism includes fixed block 7, fixed ring 9, hexagon-headed bolt 10, card slot 11, fixed lobe 12, connecting hole 13, spiral shell
Groove 14 and threaded hole 15, crank arm 1 are fixed on the two sides of crank-pin 3, and rotation axis 6 is fixed on the one of crank arm 1
Side, sprocket wheel 8 are set in the surface of rotation axis 6, and fixed block 7 is fixed on the surface of rotation axis 6 and is located at the side of sprocket wheel 8, fixed
Block 7 is fixedly connected with rotation axis 6 by injection molding, and fixed ring 9 is fixed on the side of sprocket wheel 8, and fixed ring 9 and sprocket wheel 8 pass through welding
It is fixedly connected, fixed lobe 12 is symmetrically fixed on the surface of sprocket wheel 8 and is placed on the inside of card slot 11, and card slot 11 is symmetrically provided with
The side of fixed block 7, connecting hole 13 are provided with the side of sprocket wheel 8 and fixed ring 9 and are set in the surface of rotation axis 6, thread groove
14 are symmetrically provided with the surface of rotation axis 6, and threaded hole 15 is provided with the surface of fixed ring 9, the hole of thread groove 14 and threaded hole 15
Diameter is identical, and hexagon-headed bolt 10 is placed on the inside of threaded hole 15 and screws fixation with thread groove 14, and sprocket wheel 8 is consolidated by surface
Fixed protrusion 12 is fixed with card slot 11, facilitates the installation of sprocket wheel 8 fixed and disassembly, improves the installation speed of worker, and reduce use
The use cost at family, fixed ring 9 screw fixation by hexagon-headed bolt 10 and thread groove 14, fixed ring 9 are facilitated to be fixed on rotation
The surface of axis 6, preventing sprocket wheel 8 on the surface of rotation axis 6, sliding falls off, and increases the stability of sprocket wheel 8, the side of crank arm 1 is set
It is equipped with lubricating structure.
In order to increase the lubricant effect of crank-pin 3, in the present embodiment, it is preferred that lubricating structure includes oilhole 2, fixation hole
16 and fixing groove 17, fixation hole 16 is provided with the side of crank arm 1 and is located at the middle position of crank-pin 3, and fixing groove 17 is right
Claim the two sides for being provided with crank-pin 3, the inside of fixation hole 16 is connected to the inside of fixing groove 17, and oilhole 2 is symmetrically provided with crank
The inside on the surface of pin 3, oilhole 2 is connected to the inside of fixing groove 17, the side of crank arm 1 offer fixation hole 16 and with fixation
Slot 17 is connected to the inside of oilhole 2, facilitates the flowing of oil, increases the lubricant effect of crank-pin 3 and connecting rod, reduces crank-pin 3
With the frictional force of connecting rod, increase the durability of crank-pin 3, and improves the service life of crank-pin 3.
In order to reduce the frictional force on balance weight 4 surface and other parts, increase the lubricant effect on 4 surface of balance weight, this reality
It applies in example, it is preferred that balance mechanism includes balance weight 4, and balance weight 4 is fixed on the side of crank arm 1, the side of balance weight 4
Face offers lubrication groove, and balance weight 4 is semi-circular structure, and balance weight 4 is fixedly connected by welding with crank arm 1, balance weight 4
Surface offers oil duct, increases the lubricant effect of balance weight 4, reduces by the 4 friction damage time of balance weight, increases making for balance weight 4
Use the service life.
It is uniformly distributed in order to facilitate crank arm 1 and is connect with trunnion 5, in the present embodiment, it is preferred that the one of crank arm 1
It is provided with crank-pin 3 at side edge position, the other side middle position of crank arm 1 is fixed with trunnion 5, and the two of trunnion 5
Side is connected separately with crank arm 1, and crank-pin 3 and trunnion 5 are cylindrical structure.
On 6 surface of rotation axis, sliding falls off sprocket wheel 8 in order to prevent, in the present embodiment, it is preferred that the table of hexagon-headed bolt 10
Face is provided with screw thread, and the inner surface of thread groove 14 is provided with screw thread, and the inside of threaded hole 15 is run through in one end of hexagon-headed bolt 10
And fixation is screwed with thread groove 14.
The working principle and process for using of the utility model: sprocket wheel 8 when in use, is first passed through connecting hole by the utility model
13 are set in the surface of rotation axis 6, so that the fixed lobe 12 of 8 side of sprocket wheel is fixed with card slot 11, then again six
One end of hex bolt 10 runs through the inside of threaded hole 15 and screws fixation with thread groove 14, can be used this practical after being installed
Novel, at work, crank-pin 3 follows the rotation of rotation axis 6 and rotates the utility model, then oily into fixation hole 16 and short
It is temporarily stored in inside fixing groove 17, the centrifugal force rotated by crank-pin 3, flows out oil from the inside of a pair of of oilhole 2, increase bent
The lubricant effect on 3 surface of handle pin makes the utility model continuous service work.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of automobile crane, including crank arm (1), crank-pin (3), rotation axis (6), sprocket wheel (8) and crank arm (1) one end
The balance mechanism of setting, it is characterised in that: the side of the sprocket wheel (8) is provided with fixed mechanism, and the fixed mechanism includes solid
Determine block (7), fixed ring (9), hexagon-headed bolt (10), card slot (11), fixed lobe (12), connecting hole (13), thread groove (14)
With threaded hole (15), the crank arm (1) is fixed on the two sides of crank-pin (3), and the rotation axis (6) is fixed on song
The side of shaft arm (1), the sprocket wheel (8) are set in the surface of rotation axis (6), and the fixed block (7) is fixed on rotation axis (6)
Surface and the side for being located at sprocket wheel (8), the fixed ring (9) are fixed on the side of sprocket wheel (8), and the fixed lobe (12) is symmetrical
It is fixed on the surface of sprocket wheel (8) and is placed on the inside of card slot (11), the card slot (11) is symmetrically provided with the side of fixed block (7)
Face, the connecting hole (13) are provided with the side of sprocket wheel (8) and fixed ring (9) and are set in the surface of rotation axis (6), the spiral shell
Groove (14) is symmetrically provided with the surface of rotation axis (6), and the threaded hole (15) is provided with the surface of fixed ring (9), the spiral shell
Groove (14) is identical as the aperture of threaded hole (15), and the hexagon-headed bolt (10) is placed on the inside of threaded hole (15) and and spiral shell
Groove (14) screws fixation, and the side of the crank arm (1) is provided with lubricating structure.
2. a kind of automobile crane according to claim 1, it is characterised in that: the lubricating structure includes oilhole (2), fixes
Hole (16) and fixing groove (17), the fixation hole (16) are provided with the side of crank arm (1) and are located at the interposition of crank-pin (3)
Place is set, the fixing groove (17) is symmetrically provided with the two sides of crank-pin (3), the inside and fixing groove (17) of the fixation hole (16)
Inside connection, the oilhole (2) is symmetrically provided with the surface of crank-pin (3), the inside and fixing groove (17) of the oilhole (2)
Inside connection.
3. a kind of automobile crane according to claim 1, it is characterised in that: the balance mechanism includes balance weight (4), institute
The side that balance weight (4) is fixed on crank arm (1) is stated, the side of the balance weight (4) offers lubrication groove.
4. a kind of automobile crane according to claim 1, it is characterised in that: the one side edge position of the crank arm (1)
Place is provided with crank-pin (3), and the other side middle position of the crank arm (1) is fixed with trunnion (5), the trunnion
(5) two sides are connected separately with crank arm (1), and the crank-pin (3) and trunnion (5) are cylindrical structure.
5. a kind of automobile crane according to claim 1, it is characterised in that: the surface of the hexagon-headed bolt (10) is arranged
There is screw thread, the inner surface of the thread groove (14) is provided with screw thread, and threaded hole is run through in one end of the hexagon-headed bolt (10)
(15) inside simultaneously screws fixation with thread groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822024617.3U CN209458269U (en) | 2018-12-04 | 2018-12-04 | A kind of automobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822024617.3U CN209458269U (en) | 2018-12-04 | 2018-12-04 | A kind of automobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458269U true CN209458269U (en) | 2019-10-01 |
Family
ID=68039720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822024617.3U Active CN209458269U (en) | 2018-12-04 | 2018-12-04 | A kind of automobile crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701746A (en) * | 2020-06-28 | 2020-09-25 | 北京享云智汇科技有限公司 | Granulating and spraying device for producing granular materials from viscous suspension |
| CN112360887A (en) * | 2020-10-28 | 2021-02-12 | 中国航发湖南动力机械研究所 | Connecting and rotating mechanism |
| CN114718844A (en) * | 2022-02-22 | 2022-07-08 | 安徽中麦亚机电科技有限公司 | Nested assembly type refrigeration compressor crankshaft and assembly method thereof |
-
2018
- 2018-12-04 CN CN201822024617.3U patent/CN209458269U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701746A (en) * | 2020-06-28 | 2020-09-25 | 北京享云智汇科技有限公司 | Granulating and spraying device for producing granular materials from viscous suspension |
| CN112360887A (en) * | 2020-10-28 | 2021-02-12 | 中国航发湖南动力机械研究所 | Connecting and rotating mechanism |
| CN114718844A (en) * | 2022-02-22 | 2022-07-08 | 安徽中麦亚机电科技有限公司 | Nested assembly type refrigeration compressor crankshaft and assembly method thereof |
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