CN208815590U - Mini-excavator turns round locking system - Google Patents
Mini-excavator turns round locking system Download PDFInfo
- Publication number
- CN208815590U CN208815590U CN201821453965.6U CN201821453965U CN208815590U CN 208815590 U CN208815590 U CN 208815590U CN 201821453965 U CN201821453965 U CN 201821453965U CN 208815590 U CN208815590 U CN 208815590U
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- mini
- pin hole
- excavator
- upper body
- pilot sleeve
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Abstract
The utility model relates to mini-excavators, to solve the problems, such as existing mini-excavator upper body and lower body without revolution locking, the utility model constructs a kind of mini-excavator revolution locking system, mini-excavator includes lower body and the upper body that is pivotally mounted on lower body, the vertical pin hole upward of an opening is provided on lower body, locking bolt and the pilot sleeve downward through upper body are provided on upper body, pilot sleeve and pin hole are located at using the upper body centre of gyration as on the circle in the center of circle, locking bolt includes pin shaft and hanging rod, when sleeve is coaxial with pin hole, pin shaft can be inserted into pin hole in self- steering sleeve.In the present invention, when mini-excavator needs parking or transport, upper body pilot sleeve and pin hole co-axially align can be turned round, pin shaft is inserted into pilot sleeve and pin hole, the revolution locking for realizing mini-excavator upper body and lower body, avoids contingency.
Description
Technical field
The utility model relates to a kind of mini-excavators, more specifically to a kind of mini-excavator revolution locking dress
It sets.
Background technique
Mini-excavator rotary motor does not have rotary locking function in view of volume and cost reason, when machine cancels back
After turning operation, the upper body of mini-excavator can occur independently to turn round under the effect of external force, such as miniature digging is stayed in slope surface
Can be because gravity or inertia independently to turn round in vehicle or transportational process, the dangerous play that upper body rotates causes machine
Or the damage of personnel.
Utility model content
The technical problems to be solved in the utility model is that existing mini-excavator upper body and lower body are locked without revolution
Only the problem of, and a kind of mini-excavator revolution locking system is provided so that when mini-excavator does not operate by upper body and
Lower body locking avoids upper body from turning round under applied external force.
The utility model is to realize that the technical solution of its purpose is such that construct a kind of mini-excavator revolution locking dress
It sets, the mini-excavator includes lower body and the upper body that is pivotally mounted on lower body, it is characterised in that described
The vertical pin hole upward of an opening is provided on lower body, be provided on the upper body locking bolt and downward through
The pilot sleeve of upper body, the pilot sleeve and pin hole are located at using the upper body centre of gyration as on the circle in the center of circle, described
Locking bolt includes the pin shaft being inserted into the pilot sleeve and the hanging rod that is fixed at the top of the pin shaft, when the sleeve with
When the pin hole is coaxial, the pin shaft can be inserted into the pin hole from the pilot sleeve.In the present invention, when micro-
When type excavator needs parking or transport, upper body can be turned round and made on the pilot sleeve and lower body of upper body
Then pin shaft is inserted into pilot sleeve and is inserted into pin hole from the bottom of conducting, realizes miniature digging by pin hole co-axially align
The revolution locking of pick machine upper body and lower body, avoids contingency.
In above-mentioned mini-excavator revolution locking system, it is additionally provided on the upper body and is inserted for hanging the locking
The bolt hanger of pin is provided with spaced apart upper hanging buckle and lower hanging buckle up and down, the top of the hanging rod on the bolt hanger
It is provided with the hook for being connected with the upper hanging buckle and lower hanging buckle, hook pin shaft when being interlockingly connected with upper hanging buckle
Lower end height is higher than the height at the top of the pin hole, and the lower end height for linking up with pin shaft when being interlockingly connected with lower hanging buckle is lower than
Height at the top of the pin hole.
In above-mentioned mini-excavator revolution locking system, the top of the pin shaft is provided with radial dimension greater than the guiding
The lower end of pin shaft when being contacted at the top of the anti-fall retention bead of sleeve diameter, the anti-fall retention bead and the pilot sleeve
Height is lower than the pin hole tip height.Anti-fall retention bead, which is arranged, can prevent locking bolt for from the pilot sleeve
It falls to the lower section of upper body.
In above-mentioned mini-excavator revolution locking system, the pin hole by being welded on the structural member of the lower body
Hub internal bore is constituted.The structural member of the lower body is able to bear issuable larger load when upper body revolution locking
Lotus.
In above-mentioned mini-excavator revolution locking system, there are two the pin hole is arranged on the lower body, two
The pin hole is about upper body centre of gyration central symmetry.
In above-mentioned mini-excavator revolution locking system, the upper body front-rear direction and lower body front-rear direction court
To it is consistent or opposite when the pilot sleeve and pin hole co-axially align.
In above-mentioned mini-excavator revolution locking system, the locking bolt be located at the driver's cabin of the mini-excavator
It is interior.Locking bolt is located in driver's cabin, convenient for driver carry out locking operation, while avoid irrelevant personnel outside driver's cabin with
Meaning extracts the problem of locking bolt.
Compared with prior art, the utility model mini-excavator passes through the utility model when needing parking or transport
Locking lock bolt axis is inserted into pin hole, is realized the revolution locking of mini-excavator upper body and lower body, is avoided anticipating
Outer accident occurs.
Detailed description of the invention
Status diagram when Fig. 1 is the utility model mini-excavator revolution locking.
Fig. 2 is the positional structure schematic diagram of the utility model locking bolt, pilot sleeve and pin hole.
Fig. 3 is the structural schematic diagram of locking bolt in the utility model.
Status diagram when Fig. 4 is the revolution unlock of the utility model mini-excavator.
Parts title and serial number in figure:
Upper body 1, bottom structure part 11, pilot sleeve 12, lower body 2, underbody structure part 21, sleeve 22,
Bolt hanger 3, lower hanging buckle 32, locking bolt 4, pin shaft 41, hanging rod 42, prevents retention bead 421, hook 422 at upper hanging buckle 31.
Specific embodiment
Illustrate specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, mini-excavator includes lower body 2 and passes through pivoting support (in Fig. 1 and Fig. 4 in the present embodiment
Pivoting support is not shown) it is pivotally mounted on the upper body 1 on lower body 2, upper body 1 drives top by rotary motor
Vehicle body 1 is on lower body 2 around revolution center steering.On the underbody structure part 21 of the cab bottom of upper body 1
Be provided with downward through pilot sleeve, as shown in Fig. 2, bolt hanger 3 is provided with above pilot sleeve in driver's cabin,
Spaced apart upper hanging buckle 31 and lower hanging buckle 32 up and down are provided on bolt hanger 3.
Locking bolt 4 is installed in pilot sleeve 12, as shown in figure 3, locking bolt 4 includes pin shaft 41 and is fixed on pin
The hanging rod 42 of axis upper end, hanging rod 42 are connected by welding with pin shaft 41, and hanging rod 42 is formed by steel bar bending, and the upper end bending is formed
Hook 422, lower end bending form anti-fall retention bead 421, and the lateral dimension of anti-fall retention bead 421 is greater than pilot sleeve 12
Diameter, pin shaft 41 are located in pilot sleeve 12, and anti-fall retention bead 421 is located at the top of pilot sleeve 12, prevent locking bolt 4
It is fallen from the inner hole of pilot sleeve 12 to the lower section of upper body 1.
As shown in Fig. 1 Fig. 2, closing on has underbody structure part 21, lower body knot on the lower body of upper body 1
Component 21 is the arc-shaped structure part or cirque structure part that pivoting support is surrounded outside pivoting support, in underbody structure
Part 21 is welded with two sleeves 22, the opening up and centre of gyration central symmetry about upper body of the two sleeves 22, set
The inner hole of cylinder 22 constitutes pin hole, and the pilot sleeve 12 on sleeve 22 and upper body is on same circle.Before upper body 1
Afterwards towards and lower body 2 it is consistent or opposite when, upper sleeve 12 and one on lower body in two sleeves 22 are coaxial
Alignment.
In the present embodiment, it needs to lock upper body 1 and lower body 2 when mini-excavator needs parking or transport
When only, upper body 1 can be turned round and make upper body 1 and lower body 2 towards consistent, at this time pilot sleeve on upper body
12 with lower body on 22 co-axially align of sleeve, then by be located at pilot sleeve in locking bolt hanging rod on hook hang over
On lower hanging buckle 32 on bolt hanger, the lower end of pin shaft 41 is inserted into lower body upper bush 12 under the effect of gravity
In inner hole (namely pin hole), as shown in Figure 1, realize the revolution locking between the upper body and lower body of mini-excavator,
Avoid contingency.But mini-excavator work when, by the hook of locking bolt taken out from lower hanging buckle and with upper hanging buckle
It mutually mounts, the lower end of pin shaft is then extracted from lower body upper bush, realizes the upper body and lower body of mini-excavator
Between revolution unlock, upper body under the driving effect of rotary motor opposing lower portions vehicle body turn round.
Claims (7)
1. a kind of mini-excavator turns round locking system, the mini-excavator includes lower body and is pivotally mounted on lower part vehicle
Upper body with it, it is characterised in that the vertical pin hole upward of an opening, the top are provided on the lower body
Locking bolt and the pilot sleeve downward through upper body are provided on vehicle body, the pilot sleeve and pin hole are located at top
The vehicle body centre of gyration is on the circle in the center of circle, and the locking bolt includes the pin shaft being inserted into the pilot sleeve and is fixed on institute
The hanging rod at the top of pin shaft is stated, when the sleeve and the coaxial pin hole, the pin shaft can be inserted into from the pilot sleeve
In the pin hole.
2. mini-excavator according to claim 1 turns round locking system, it is characterised in that also set on the upper body
Be equipped with the bolt hanger for hanging the locking bolt, be provided on the bolt hanger up and down spaced apart upper hanging buckle and
Lower hanging buckle, is provided with the hook for being connected with the upper hanging buckle and lower hanging buckle at the top of the hanging rod, the hook with it is upper
The lower end height of the pin shaft is higher than the height at the top of the pin hole when hanging buckle is interlockingly connected, when the hook is interlockingly connected with lower hanging buckle
The lower end height of the pin shaft is lower than the height at the top of the pin hole.
3. mini-excavator according to claim 1 or 2 turns round locking system, it is characterised in that the top of the pin shaft is set
It is equipped with the anti-fall retention bead that radial dimension is greater than the pilot sleeve diameter, the anti-fall retention bead and the pilot sleeve
The lower end height of top pin shaft when contacting is lower than the pin hole tip height.
4. mini-excavator according to claim 1 turns round locking system, it is characterised in that the pin hole is by being welded on
The hub internal bore stated on the structural member of lower body is constituted.
5. mini-excavator according to claim 4 turns round locking system, it is characterised in that the pin hole is in the lower part
On vehicle body there are two settings, pin hole described in two is about upper body centre of gyration central symmetry.
6. mini-excavator according to claim 4 or 5 turns round locking system, it is characterised in that before and after the upper body
Direction and lower body front-rear direction towards it is consistent or opposite when the pilot sleeve and pin hole co-axially align.
7. mini-excavator according to claim 1 turns round locking system, it is characterised in that the locking bolt is located at institute
It states in the driver's cabin of mini-excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453965.6U CN208815590U (en) | 2018-09-06 | 2018-09-06 | Mini-excavator turns round locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453965.6U CN208815590U (en) | 2018-09-06 | 2018-09-06 | Mini-excavator turns round locking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208815590U true CN208815590U (en) | 2019-05-03 |
Family
ID=66276094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453965.6U Active CN208815590U (en) | 2018-09-06 | 2018-09-06 | Mini-excavator turns round locking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208815590U (en) |
-
2018
- 2018-09-06 CN CN201821453965.6U patent/CN208815590U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |