CN202440859U - Tipping bucket mechanism of small-radius swing excavator - Google Patents
Tipping bucket mechanism of small-radius swing excavator Download PDFInfo
- Publication number
- CN202440859U CN202440859U CN201220062517XU CN201220062517U CN202440859U CN 202440859 U CN202440859 U CN 202440859U CN 201220062517X U CN201220062517X U CN 201220062517XU CN 201220062517 U CN201220062517 U CN 201220062517U CN 202440859 U CN202440859 U CN 202440859U
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- connecting rod
- bucket
- forearm
- rocking bar
- hinged
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Abstract
The utility model discloses a tipping bucket mechanism of a small-radius swing excavator. The tipping bucket mechanism is composed of a small arm, a tipping bucket oil cylinder, a rocker, a connecting rod and a bucket, wherein the mutual hinging positions of the small arm, the rocker, the connecting rod and the bucket form a transformable quadrilateral, the rocker is arc-shaped, and the two ends of the arc are respectively hinged with the other end of the connecting rod and the back part of the front end of the small arm; and two groups of tipping bucket mechanisms are horizontally and symmetrically arranged on one side of the bucket. According to the utility model, the tipping bucket oil cylinder is hinged with the middle part of the small arm to improve the integral strength of the small arm and the overturning mechanism, improve the carrying capacity and guarantee more stable structure; the design of the hinging position of the arc-shaped rocker and the tipping bucket oil cylinder increases the rotation amplitude within the effective range of the overturning mechanism to improve the working performance of the excavator; and two groups of overturning mechanisms are further horizontally and symmetrically arranged according to the integral balance demand of the excavator disclosed by the utility model to increase the balance stability of the bucket and improve the integral shovel loading force, digging force and elevating capacity of the bucket.
Description
Technical field
The utility model belongs to Machine Design and makes the field, especially belongs to excavator and manufactures and designs the field, particularly a kind of small radius revolving shovel bucket tipping gear.
Background technology
Excavator is the machinery that often uses in the building engineering construction, and plant equipment particularly is absolutely necessary in the big constructing tunnel of earthwork.The constructing tunnel engineering is all to be a construction part that wastes time and energy in railway construction or in highway construction, and the construction in tunnel not only progress is slow, and needs to drop into a large amount of labours.Adopt excavator to carry out construction operation and can increase substantially construction speed, and the rotation amplitude of power shovel and flexibility with and shovel dress power, digging force and lifting capacity be the important technology content of each performance parameter of raising excavator.Realize that the principal organ that scraper bowl rotates is a switching mechanism.
Existing switching mechanism normally adopts four connecting rods to form quadrilateral structure, utilizes tetragonal deformable characteristic, moves the rotation that realizes power shovel with the distortion of hydraulic oil cylinder driving quadrangle.But the shovel that rotation amplitude, rotational stability and the scraper bowl of existing switching mechanism can carry dress power, digging force and lifting capacity can't satisfy the needs at small radius revolving shovel bucket tipping gear.
Summary of the invention
The utility model discloses a kind of small radius revolving shovel bucket tipping gear according to the deficiency of prior art.The problem that the utility model will solve is through improving four-bar linkage structure, realizes having the switching mechanism of shovel dress power, digging force and lifting capacity that bigger rotation amplitude, rotational stability and raising scraper bowl can carry.
The utility model is realized through following technical scheme:
Small radius revolving shovel bucket tipping gear; Form by forearm, dump ram, rocking bar and connecting rod and scraper bowl; Wherein: forearm, rocking bar, connecting rod and the scraper bowl hinge position that is connected that is hinged forms deformable quadrangle; forearm and connecting rod one end are hinged with scraper bowl respectively, and the rocking bar two ends are hinged with the connecting rod other end and forearm front end rear portion respectively, and dump ram one end and forearm middle part are hinged, an end and rocking bar are hinged.
Said rocking bar is an arc, and the arc two ends are hinged with the connecting rod other end and forearm front end rear portion respectively.
After said dump ram and rocking bar hinge position are positioned at rocking bar and rod hinge connection position.
Horizontal symmetrical is provided with two groups to further said bucket tipping gear on scraper bowl one side.
Above-mentioned switching mechanism is hinged with dump ram and forearm middle part; Be about to the oil cylinder bottom-hinged on the excavator forearm; Improve existing dump ram usually is provided with the hinge position outside the forearm structure connection generation; Directly the hinge position is arranged on the intensity that can improve whole forearm and switching mechanism on the little arm configuration, improves supporting capacity, structure is more stable; Above-mentioned switching mechanism also is designed to arc with rocking bar; And the hinge position of dump ram and rocking bar is arranged on behind rocking bar and the rod hinge connection position suitably distance; Move the rotation amplitude that has increased the switching mechanism effective range with the design of arc rocking bar behind the hinge position, improved the service behaviour of excavator; The utility model is provided with two groups of switching mechanisms in excavator forearm both sides; Two groups of switching mechanisms and power shovel are symmetrical set in horizontal cross; Two groups of switching mechanisms have further increased the stability of equilibrium of scraper bowl, have also increased whole shovel dress power, digging force and the lifting capacity of excavator.
The helpfulness of the utility model, the utility model improves supporting capacity with the hinged intensity that has improved whole forearm and switching mechanism of dump ram and forearm middle part, and structure is more stable; Arc rocking bar and increased the rotation amplitude of switching mechanism effective range with the design of dump ram hinge position has improved the service behaviour of excavator; The utility model also requires further symmetry to be horizontally disposed with two groups of switching mechanisms to have increased the stability of equilibrium of scraper bowl according to the whole machine balancing of excavator, increases excavator whole shovel dress power, digging force and lifting capacity.
Description of drawings
Fig. 1 is the utility model switching mechanism structural representation;
Fig. 2 is the utility model switching mechanism plan structure sketch map;
Fig. 3 is the utility model switching mechanism connection status structural representation;
Fig. 4 adopts a kind of excavator structure sketch map of the utility model switching mechanism.
Among the figure, the 1st, revolving dial, the 2nd, big arm, the 3rd, big arm oil cylinder; The 4th, forearm, 4a are rocking bar and rod hinge connection position, and 4b is forearm and dump ram hinge position, and 4c is dump ram and rocking bar hinge position; 4d is rocking bar and forearm hinge position, and 4e is forearm and scraper bowl hinge position, and 4f is scraper bowl and rod hinge connection position, the 5th, and the forearm oil cylinder; The 6th, dump ram, the 7th, rocking bar, the 8th, connecting rod, the 9th, scraper bowl.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is further specified; The specific embodiment is further specifying the utility model principle; Limit the utility model never in any form, or similar techniques identical with the utility model all do not exceed the scope of the utility model protection.
In conjunction with Fig. 1 to Fig. 4.
Small radius revolving shovel bucket tipping gear; Is made up of with scraper bowl 9 forearm 4, dump ram 6, rocking bar 7 and connecting rod 8; forearm 4, rocking bar 7, connecting rod 8 and scraper bowl 9 hinge position that is connected that is hinged forms deformable quadrangle; forearm 4 and connecting rod 8 one ends are hinged with scraper bowl 9 respectively, and rocking bar 7 two ends are hinged with connecting rod 8 other ends and forearm 4 front end rear portions respectively, dump ram 6 one ends and forearm 4 middle parts are hinged, an end and rocking bar 7 are hinged.
This example is designed to arc with rocking bar 7, and the arc two ends are hinged with connecting rod 8 other ends and forearm 4 front end rear portions respectively.After dump ram 6 is positioned at rocking bar 7 and connecting rod 8 hinge positions with rocking bar 7 hinge positions.
Be symmetrically arranged with two groups for increasing stable bucket tipping gear in scraper bowl 9 transverse horizontal.
Like Fig. 1, Fig. 2 and shown in Figure 3, Fig. 1 is the utility model switching mechanism structural representation, and Fig. 2 is the utility model switching mechanism plan structure sketch map, and Fig. 3 is the utility model switching mechanism connection status structural representation.Two groups of switching mechanisms are separately positioned on forearm 4 both sides; Every group of switching mechanism is hinged through the cylinder bottom and the forearm 4 of dump ram 6; The dump ram 6 of two groups of overturn structures passes forearm 4 through bearing pin and is symmetrical set, and forearm 4 and dump ram 6 stress balances have improved the stability of equilibrium of excavator; Tetragonal four limits of the deformable of switching mechanism are respectively: two hinge positions, forearm 4 ends constitute quadrangle on one side, and 9 liang of hinge positions of scraper bowl constitute quadrangle on one side, and connecting rod 8 constitutes quadrangle on one side, and rocking bar 7 constitutes quadrangle on one side; This routine rocking bar 7 constitutes quadrangle and constitutes quadrangle while being longer than two hinge positions, forearm 4 ends, and this structure makes switching mechanism can realize the bigger amplitude that rotates, and rocking bar 7 structures of arc have cooperated bigger upset better; The hinge position of dump ram 6 and rocking bar 7 is arranged on behind rocking bar 7 and connecting rod 8 hinge positions suitably distance; Generally can be in rocking bar 7 and connecting rod 8 hinged ends 1/4th to 1/3rd positions; Move behind the hinge position with arc rocking bar 7 and design the rotation amplitude that has increased the switching mechanism effective range, improved the service behaviour of excavator.
As shown in Figure 4, Fig. 4 adopts a kind of excavator structure sketch map of the utility model switching mechanism.It is thus clear that when realizing little revolution operation, the excavator switching mechanism can shrink scraper bowl 9 most possibly, makes the digger revolving radius minimum, realizes constructing tunnel operation shovel dress power, digging force and lifting capacity maximization.
Claims (4)
1. small radius revolving shovel bucket tipping gear; Form by forearm (4), dump ram (6), rocking bar (7) and connecting rod (8) and scraper bowl (9); It is characterized in that: forearm (4), rocking bar (7), connecting rod (8) and scraper bowl (9) hinge position that is connected that is hinged forms deformable quadrangle; forearm (4) and connecting rod (8) one ends are hinged with scraper bowl (9) respectively; rocking bar (7) two ends are hinged with connecting rod (8) other end and forearm (4) front end rear portion respectively, and dump ram (6) one ends and forearm (4) middle part are hinged, an end and rocking bar (7) are hinged.
2. small radius revolving shovel bucket tipping gear according to claim 1 is characterized in that: said rocking bar (7) is an arc, and the arc two ends are hinged with connecting rod (8) other end and forearm (4) front end rear portion respectively.
3. small radius revolving shovel bucket tipping gear according to claim 1 and 2 is characterized in that: after said dump ram (6) is positioned at rocking bar (7) and connecting rod (8) hinge position with rocking bar (7) hinge position.
4. small radius revolving shovel bucket tipping gear according to claim 3 is characterized in that: horizontal symmetrical is provided with two groups to said bucket tipping gear on scraper bowl (9) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220062517XU CN202440859U (en) | 2012-02-24 | 2012-02-24 | Tipping bucket mechanism of small-radius swing excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220062517XU CN202440859U (en) | 2012-02-24 | 2012-02-24 | Tipping bucket mechanism of small-radius swing excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202440859U true CN202440859U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220062517XU Expired - Fee Related CN202440859U (en) | 2012-02-24 | 2012-02-24 | Tipping bucket mechanism of small-radius swing excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202440859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600606A (en) * | 2015-11-05 | 2016-05-25 | 江苏凯宫机械股份有限公司 | Tipping bucket mechanism |
| CN113529832A (en) * | 2021-07-02 | 2021-10-22 | 国能神东煤炭集团有限责任公司 | Yellow mud taking device and method |
-
2012
- 2012-02-24 CN CN201220062517XU patent/CN202440859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600606A (en) * | 2015-11-05 | 2016-05-25 | 江苏凯宫机械股份有限公司 | Tipping bucket mechanism |
| CN113529832A (en) * | 2021-07-02 | 2021-10-22 | 国能神东煤炭集团有限责任公司 | Yellow mud taking device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20140224 |