CN205927611U - Flexible centering mechanism of structure of an essay fluid pressure type umbellate form in excavator - Google Patents
Flexible centering mechanism of structure of an essay fluid pressure type umbellate form in excavator Download PDFInfo
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- CN205927611U CN205927611U CN201620670575.9U CN201620670575U CN205927611U CN 205927611 U CN205927611 U CN 205927611U CN 201620670575 U CN201620670575 U CN 201620670575U CN 205927611 U CN205927611 U CN 205927611U
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- connecting rod
- push rod
- hydraulic cylinder
- middle frame
- fluid pressure
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Abstract
The utility model discloses a flexible centering mechanism of structure of an essay fluid pressure type umbellate form in excavator, piston push rod on pneumatic cylinder and pneumatic cylinder, the piston push rod top is provided with the connecting rod and connects the lid, the connecting rod connection is covered to be connected with and is no less than two sets of telescopic machanism, telescopic machanism includes to be connected with the connecting rod and covers articulated connecting rod no. 1, connecting rod no. 1 is kept away from the connecting rod and is connected and to cover the end hinge and connect connecting rod no. 2, connecting rod no. 3 is kept away from two end hinges on the connecting rod and has been connect the push rod, the push rod is kept away from the connecting rod three -terminal and is connected with the pendulum rod, the pendulum rod is kept away from the push rod end and is provided with the support head, it is provided with the plug to support head end portion, support the overhead seat ring hole locating rack that is provided with. The utility model discloses difficult phenomenon was fixed a position to a structure of an essay during technical scheme solved the excavator when the welding, overcame prior art, the welding quality problem and the product percent of pass problem of hanging down that are produced by the manual fixed -position welding of manual work during structure of an essay welding in the excavator.
Description
Technical field
The utility model belongs to centering, location structure, and more specifically to a kind of excavator middle frame uses when welding
Excavator middle frame fluid pressure type umbellate form stretch centering machine.
Background technology
Middle frame is the important support part of excavator, both sides connecting band track frame, revolving dial installed above.Therefore, in work
In journey machinery, the welding quality to middle frame and the technical requirements of installation dimension are higher.Middle frame processing have main steps that by
The lower straddle of a structure of an essay, seat ring, plate of standing carry out splice point postwelding with upper straddle and are entirely soldered into, in order to meet the chi of middle frame again
Very little requirement and welding quality, the splicing positioning of lower straddle, seat ring and upper straddle and spot welding position are quite important.At present, middle frame
Welding position fixing process also relies solely on artificial centering, artificial grasp splicing size, and its splicing size has larger error, in impact
The quality of a structure of an essay and yield rate, and installation effectiveness is very low.
Utility model content
The purpose of this utility model is to provide a kind of excavator middle frame fluid pressure type umbellate form to stretch centering machine, solves to dig
Pick machine middle frame location difficulty phenomenon in welding, overcomes in prior art, fixed by artificial craft during the welding of excavator middle frame
Problems of welded quality and the low problem of product percent of pass that position welding produces.
A kind of technical solutions of the utility model excavator middle frame fluid pressure type umbellate form stretches centering machine, including hydraulic cylinder and
Piston push rod on hydraulic cylinder, described piston push rod top is provided with connecting rod and connects lid, and described connecting rod connection covers and is connected with not
Less than two groups of telescoping mechanisms, described telescoping mechanism includes being connected the hinged connecting rod one of lid with connecting rod, and described connecting rod one is away from connecting rod
Connect lid end and be hinged with connecting rod two, described connecting rod one is hinged with connecting rod two centre position, the hinged company of being connected in described connecting rod two one end
Bar three, the other end is hinged with fixed column, and described connecting rod three is hinged with push rod away from connecting rod two end, and described push rod is away from connecting rod three end
It is connected with fork, described fork is provided with a fastener away from push rod end, described support cephalic par is provided with plug, on a fastener
It is provided with seat ring hole locating rack, described push rod bottom is provided with positioning bracket.
Preferably, described connecting rod connects the generally circular in shape or regular polygon of lid, and connecting rod connects lid center and piston push rod axle
Line overlaps, and described telescoping mechanism connects lid center with connecting rod and is uniformly distributed for the center of circle is rounded.
Preferably, described hydraulic cylinder bottom is provided with hydraulic cylinder fixed plate, and described fixing column bottom is solid with hydraulic cylinder fixed plate
Connect.
Preferably, described hydraulic cylinder fixed plate is rounded, and hydraulic cylinder fixed plate is arranged distant from the centre bit of hydraulic cylinder side
Install and be equipped with circular positioning boss.
Preferably, described positioning bracket includes connecting bottom board, gripper shoe and riser, described connecting bottom board bottom surface and hydraulic cylinder
Fixed plate ground flushes and is provided with installing hole, and described gripper shoe is provided with through hole, and described push rod passes through through hole, described riser
It is arranged at fork bottom.
Preferably, described seat ring hole locating rack and a fastener are to be detachably connected, and described plug is in round pie, plug axis
Direction is consistent with piston push rod axis direction.
Preferably, it is provided with dust cover outside described hydraulic cylinder and telescoping mechanism, the setting of described dust cover side is jagged,
Described breach is adapted with telescoping mechanism quantity, and notch geometry is adapted with riser shape.
A kind of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model stretches in centering machine, by hydraulic pressure
Piston push rod on cylinder, hydraulic cylinder constitutes the power of centering machine overall work, connecting rod one, connecting rod two, connecting rod three, fixed column and
Push rod forms umbrella shape telescoping mechanism, and umbrella shape telescoping mechanism connects setting around lid around connecting rod, and uniformly distinguishes, using hydraulic cylinder
Realize overall the stretching of umbrella shape telescoping mechanism with piston push rod.
A kind of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model stretches in centering machine, and umbrella shape is stretched
Contracting mechanism and hydraulic cylinder and hydraulic cylinder fixed plate are connected as that one is overall it is ensured that the stability of umbrella shape telescoping mechanism is so that umbrella shape
Telescoping mechanism can be stretched all the time centered on the piston push rod axis on hydraulic cylinder, it is to avoid umbrella shape telescoping mechanism is being stretched
Mobile phenomenon occurs in contracting work.
A kind of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model stretches in centering machine, and push rod is in liquid
It is merely capable of under the mass action of the piston push rod on cylinder pressure and umbrella shape telescoping mechanism realizing moving back and forth so that and push rod back and forth
The fork connecting also is merely capable of realizing moving back and forth back and forth, and fork moves with umbrella shape telescoping mechanism integrated reciprocating, is arranged on
Plug on a fastener and a fastener of swing link end part and seat ring hole locating rack move back and forth also with fork.
A kind of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model stretches in centering machine, is arranged on liquid
Circular positioning boss on cylinder pressure fixed plate bottom surface is realized the overall placement of centering machine and is installed positioning, the connection bottom of positioning bracket
Installing hole on plate realizes the positioning of positioning bracket, and the circle on installing hole and hydraulic cylinder fixed plate bottom surface on positioning bracket is fixed
Position boss realizes the overall installation of centering machine and positioning together.
A kind of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model stretches in centering machine, telescoping mechanism
Can be two groups, three groups, four groups, six groups or eight groups etc., can be selected according to the size of middle frame and model, connecting rod connects
The all telescoping mechanisms covering once mounting are all uniformly distributed with connecting rod connection lid center for the center of circle.
A kind of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model stretches in centering machine, is arranged on each
Plug formation one on individual fastener is cylindrical, and this outside diameter is adapted with the seat ring in the hole diameter on excavator middle frame,
The seat ring hole locating rack being arranged on each fastener realizes the positioning to upper straddle, the plug on all fasteners and its top and
During the locating rack work of seat ring hole, equal constant speed movement, the stroke range of plug is up to 130mm.
A kind of flexible centering machine of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model, during work, will
The integral installation of this centering machine, on welding bench, by the lower straddle of middle frame to be welded, seat ring, stands plate and upper straddle is put successively
The circle surrounding in plug is outside, and makes plug withstand the seat ring in the hole wall of seat ring, starts hydraulic cylinder, the piston on hydraulic cylinder
Push rod rises, and the flexible centering machine of the umbellate form being made up of multiple telescoping mechanisms integrally outwardly opens so that plug holds out against seat ring, seat
Collar aperture locating rack holds out against straddle, realizes the lower straddle of middle frame, seat ring, the positioning stood between plate and upper straddle, then right
Middle frame after positioning integrally carries out a postwelding integral solder.
A kind of beneficial effect of the flexible centering machine of technical solutions of the utility model excavator middle frame fluid pressure type umbellate form：
1st, realize the automatic precise positioning during welding of excavator middle frame, it is to avoid excavator middle frame welding in prior art
Shi Caiyong manually positions the error occurring by hand and causes the low problem of poor product quality, qualification rate；
The 2nd, the plug entirety range that positions is realized on centering machine up to 130mm it is adaptable to various model excavator
The positioning of different size middle frame and installation, range is wide, and utilization rate is high；
3rd, this fluid pressure type umbellate form stretches centering machine by Driven by Hydraulic Cylinder, self-locking and withdrawal, high degree of automation, improves effect
Rate, reduces labour intensity；
4th, multigroup contracting mechanism of the flexible centering machine of umbellate form is rounded outside connecting rod connecting plate is uniformly distributed, its package count
Amount can be two groups, three groups, four groups, six groups, eight groups or more multigroup, has preferable autgmentability, practicality is more preferable；
5th, dust cover is provided with centering machine, dust cover side offers match with the riser positioning bracket lack
Mouthful, can prevent dust, impurity of welding generation etc. from entering centering machine, substantially prolongs the service life of centering machine.
Brief description
Fig. 1 is a kind of flexible centering machine stereogram of the utility model excavator middle frame fluid pressure type umbellate form,
Fig. 2 is a kind of flexible centering machine front view of the utility model excavator middle frame fluid pressure type umbellate form,
Fig. 3 is to show after a kind of flexible centering machine of the utility model excavator middle frame fluid pressure type umbellate form installs dust cover additional
It is intended to,
Fig. 4 is that a kind of the utility model excavator middle frame fluid pressure type umbellate form stretches centering machine using six groups of telescoping mechanisms
Top view afterwards,
Fig. 5 is in the middle of a kind of excavator of the utility model excavator middle frame fluid pressure type umbellate form flexible centering machine positioning
Frame structural representation.
Wherein：1st, hydraulic cylinder, 2, hydraulic cylinder fixed plate, 3, positioning bracket, 4, plug, 5, fork, 6, push rod, 7, seat ring hole
Locating rack, 8, connecting rod three, 9, connecting rod two, 10, connecting rod one, 11, connecting rod connect lid, 12, fastener, 13, dust cover, 14, breach,
15th, positioning boss, 16, installing hole, 17, connecting bottom board, 18, gripper shoe, 19, riser, 20, fixed column, 21, piston push rod,
110th, lower straddle, 111, upper straddle, 112, seat ring, 113, plate of standing.
Specific embodiment
For ease of skilled artisan understands that technical solutions of the utility model, new to this practicality in conjunction with Figure of description
Type technical scheme is described further.
As shown in figure 5, this figure be excavator middle frame structural representation, when middle frame is welded be by lower straddle 110,
Seat ring 112, stand plate 113 and upper straddle 111 carries out splice point postwelding entirely being welded, but in the welding of existing middle frame, many
Using manual positioning, larger position error easily occurs, have a strong impact on product percent of pass and its quality and the use of middle frame
Life-span.
As shown in Figure 1 and Figure 2, it is a kind of flexible centering machine structure of the utility model excavator middle frame fluid pressure type umbellate form
Schematic diagram, a kind of excavator middle frame fluid pressure type umbellate form stretches centering machine, including the piston push rod on hydraulic cylinder 1 and hydraulic cylinder
21, described piston push rod 21 top is provided with connecting rod and connects lid 11, and described connecting rod connects to be connected with lid 11 to be stretched no less than two groups
Contracting mechanism, described telescoping mechanism includes being connected lid 11 hinged connecting rods 1 with connecting rod, and described connecting rod 1 connects away from connecting rod
Cover 11 ends and be hinged with connecting rod 29, described connecting rod 1 is hinged with connecting rod 29 centre position, described connecting rod 29 one end is hinged to be connect
There is connecting rod 38, the other end is hinged with fixed column 20, described connecting rod 38 is hinged with push rod 6, described push rod 6 away from connecting rod 29 end
It is connected with fork 5 away from connecting rod 38 end, described fork 5 is provided with a fastener 12, described fastener 12 end away from push rod 6 end
It is provided with plug 4, a fastener 12 is provided with seat ring hole locating rack 7, described push rod 6 bottom is provided with positioning bracket 3；This practicality
The flexible centering machine of the excavator middle frame fluid pressure type umbellate form of new technique scheme, using by the telescoping mechanism group no less than two
The flexible centering machine of umbellate form becoming realizes the positioning to the middle frame in Fig. 5 and its similar structures.
As shown in Figure 1, Figure 2 and Figure 4, described connecting rod connects lid 11 generally circular in shape or regular polygons, and connecting rod connects lid 11
Center and piston push rod dead in line, described telescoping mechanism connects lid 11 centers with connecting rod and is uniformly distributed for the center of circle is rounded.
As Fig. 1, described hydraulic cylinder 1 bottom is provided with hydraulic cylinder fixed plate 2, described fixed column 20 bottom and hydraulic cylinder fixed plate
2 is affixed.
As Fig. 2, described hydraulic cylinder fixed plate 2 is rounded, and hydraulic cylinder fixed plate 2 is arranged distant from the center of hydraulic cylinder 1 side
Position is provided with circular positioning boss 15, and described positioning bracket 3 includes connecting bottom board 17, gripper shoe 18 and riser 19, described company
Connect base plate 17 bottom surface and flush and be provided with installing hole 16 with hydraulic cylinder fixed plate 2 ground, described gripper shoe 18 is provided with through hole,
Described push rod 6 passes through through hole, and described riser 19 is arranged at fork 5 bottom.
As Fig. 1, described seat ring hole locating rack 7 and a fastener 12 are to be detachably connected, and described plug 4 is in round pie, plug 4
Axis direction is consistent with piston push rod 21 axis direction.
As Fig. 3, outside described hydraulic cylinder 1 and telescoping mechanism, it is provided with dust cover 13, described dust cover 13 side is provided with
Breach, described breach 14 and telescoping mechanism quantity are adapted, and breach 14 shape is adapted with riser 19 shape.
A kind of flexible centering machine of excavator middle frame fluid pressure type umbellate form of technical solutions of the utility model, during work, will
Centering machine is arranged on welding bench entirely through hydraulic cylinder fixed plate 2, positioning boss 15 and connecting bottom board 17, piston push rod 21
Original state is to shrink position, and the lower straddle 110 of middle frame, seat ring 112, stand plate 113 and upper straddle 111 are socketed on calmly successively
Concentric mechanism integral outer, it is ensured that the plug 4 on a fastener 12 on centering machine withstands the seat ring in the hole wall of seat ring 112, opens liquid
Cylinder pressure 1, piston push rod 21 is released upwards, and piston push rod 21 drives telescoping mechanism work, and the push rod 6 on telescoping mechanism is with piston
Push rod 21 rises and is displaced outwardly, thus driving the fork 5 being connected with push rod 6 to be pushed outwardly, is arranged on the plug of fork 5 end
The 4 seat ring in the hole walls outwards holding out against seat ring 112, due to the telescoping mechanism no less than two being uniformly arranged on centering machine, this
Sample ensures that the seat ring hole inner wall even distribution of seat ring 112 is subject to no less than the power in both direction, realizes the lower straddle of middle frame
110th, seat ring 112, stand plate 113 and upper straddle 111 positions, then middle frame is welded, after welding, opens hydraulic cylinder 1, live
Plug push rod 21 is retracted backward, and telescoping mechanism is retracted, and push rod 6 band driven fork 4 is reversely retracted, and plug 4 withdraws the seat ring hole of seat ring 112
Middle frame can integrally be taken off by inwall by centering machine.
Technical solutions of the utility model above in conjunction with accompanying drawing, utility model are exemplarily described it is clear that this practicality
New implementing is not subject to the restrictions described above, as long as employ method design of the present utility model carrying out with technical scheme
Various unsubstantialities improve, or the not improved design by utility model and technical scheme directly apply to other occasions,
All within protection domain of the present utility model.
Claims (7)
1. a kind of excavator middle frame fluid pressure type umbellate form stretches centering machine it is characterised in that including on hydraulic cylinder and hydraulic cylinder
Piston push rod, described piston push rod top is provided with connecting rod and connects lid, and described connecting rod connects to cover and is connected with no less than two groups
Telescoping mechanism, described telescoping mechanism includes being connected the hinged connecting rod one of lid with connecting rod, and described connecting rod one connects lid end away from connecting rod
It is hinged with connecting rod two, described connecting rod one is hinged with connecting rod two centre position, described connecting rod two one end is hinged to be connected to connecting rod three, another
End is hinged with fixed column, and described connecting rod three is hinged with push rod away from connecting rod two end, and described push rod has pendulum away from connecting rod three-terminal link
Bar, described fork is provided with a fastener away from push rod end, and described support cephalic par is provided with plug, and a fastener is provided with seat ring
Hole locating rack, described push rod bottom is provided with positioning bracket.
2. a kind of excavator middle frame fluid pressure type umbellate form according to claim 1 stretches centering machine it is characterised in that institute
State connecting rod and connect the generally circular in shape or regular polygon of lid, connecting rod connects lid center and piston push rod dead in line, described telescopic machine
Structure connects lid center with connecting rod and is uniformly distributed for the center of circle is rounded.
3. a kind of excavator middle frame fluid pressure type umbellate form according to claim 1 stretches centering machine it is characterised in that institute
State hydraulic cylinder bottom and be provided with hydraulic cylinder fixed plate, described fixing column bottom is affixed with hydraulic cylinder fixed plate.
4. a kind of excavator middle frame fluid pressure type umbellate form according to claim 3 stretches centering machine it is characterised in that institute
State that hydraulic cylinder fixed plate is rounded, the center that hydraulic cylinder fixed plate is arranged distant from hydraulic cylinder side is provided with circular convex
Platform.
5. a kind of excavator middle frame fluid pressure type umbellate form according to claim 1 stretches centering machine it is characterised in that institute
State positioning bracket include connecting bottom board, gripper shoe and riser, described connecting bottom board bottom surface flush with hydraulic cylinder fixed plate ground and
It is provided with installing hole, described gripper shoe is provided with through hole, described push rod passes through through hole, described riser is arranged at fork bottom.
6. a kind of excavator middle frame fluid pressure type umbellate form according to claim 1 stretch centering machine it is characterised in that
Described seat ring hole locating rack and a fastener are to be detachably connected, and described plug is in round pie, plug axis direction and piston push rod
Axis direction is consistent.
7. a kind of excavator middle frame fluid pressure type umbellate form according to claim 1 stretches centering machine it is characterised in that institute
State and be provided with dust cover outside hydraulic cylinder and telescoping mechanism, the setting of described dust cover side is jagged, described breach and telescopic machine
Structure quantity is adapted, and notch geometry is adapted with riser shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670575.9U CN205927611U (en) | 2016-06-30 | 2016-06-30 | Flexible centering mechanism of structure of an essay fluid pressure type umbellate form in excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670575.9U CN205927611U (en) | 2016-06-30 | 2016-06-30 | Flexible centering mechanism of structure of an essay fluid pressure type umbellate form in excavator |
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| Publication Number | Publication Date |
|---|---|
| CN205927611U true CN205927611U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620670575.9U Expired - Fee Related CN205927611U (en) | 2016-06-30 | 2016-06-30 | Flexible centering mechanism of structure of an essay fluid pressure type umbellate form in excavator |
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| Country | Link |
|---|---|
| CN (1) | CN205927611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216905A (en) * | 2016-06-30 | 2016-12-14 | 合肥永升机械有限公司 | A kind of excavator middle frame fluid pressure type umbellate form stretches centering machine |
-
2016
- 2016-06-30 CN CN201620670575.9U patent/CN205927611U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216905A (en) * | 2016-06-30 | 2016-12-14 | 合肥永升机械有限公司 | A kind of excavator middle frame fluid pressure type umbellate form stretches centering machine |
| CN106216905B (en) * | 2016-06-30 | 2018-03-06 | 合肥永升机械有限公司 | A kind of excavator middle frame fluid pressure type umbellate form stretches centering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |