CN204238277U - Excavator operating equipment coupling mechanism - Google Patents

Excavator operating equipment coupling mechanism Download PDF

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Publication number
CN204238277U
CN204238277U CN201420585083.0U CN201420585083U CN204238277U CN 204238277 U CN204238277 U CN 204238277U CN 201420585083 U CN201420585083 U CN 201420585083U CN 204238277 U CN204238277 U CN 204238277U
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CN
China
Prior art keywords
plate
nose cone
casing
coupling components
coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420585083.0U
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Chinese (zh)
Inventor
王全永
杨裕丰
马瑞永
刘刚强
历娜
王存珍
侯坤
韩彦潇
郭中华
杨晓磊
姚锡涛
徐立明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou XCMG Excavator Machinery Co Ltd
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Xuzhou XCMG Excavator Machinery Co Ltd
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Priority to CN201420585083.0U priority Critical patent/CN204238277U/en
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Publication of CN204238277U publication Critical patent/CN204238277U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of excavator operating equipment coupling mechanism.Coupling components I (10) comprises two otic placodes be oppositely arranged (11) and nose cone (12), and described otic placode is connected with the connecting rod of excavator, dipper respectively; Nose cone (12) comprises junction plate (12-1), upper plate (12-2), base plate (12-3), two pieces of nose cone plates (12-4), one group of inner casing (12-5) and one group of outer casing (12-9), nose cone plate is obtuse triangle and its angle away from junction plate (12-1) is arc conehead, coupling components II (20) comprises the connecting portion I (21) be connected with nose cone, the connecting portion II (22) be connected with work tool, and connecting portion I is mutually vertical with the end face of connecting portion II.Nose cone of the present utility model and coupling components II add facility working range, the stop-motion seat of nose cone and coupling components II and check plate can independently play spacing effect, damper can effectively reduce and the swing speed of regulable control work tool, improves efficiency and the safety of facility.

Description

Excavator operating equipment coupling mechanism
Technical field
The utility model relates to a kind of coupling mechanism, is specifically related to a kind of excavator operating equipment coupling mechanism.
Background technology
Excavator carries out except digging operation except using scraper bowl, also other job that requires special skills facility can be assembled, carry out other special operations, as forestry lumbering operation (tree-dozer), waste material handling operation (plum blossom grab bucket), stalk capture operation (stalk gripper), coal-discharging operation (shellfish type bucket) etc.The scope of application of excavator has significantly been expanded in the use of multifunctional tool, makes the range of application of excavator more and more wider.Present excavator mainly comprises equipment, top turntable and chassis walking mechanism, and usual described equipment comprises swing arm, dipper and scraper bowl, and scraper bowl is key operation facility, mainly carries out digging operation.Scraper bowl respectively with dipper, rod hinge connection, if bucket portion is replaced to other work tools, then can carry out the operation of other functions, part facility directly cannot connect with dipper, connecting rod, need to be connected by middle coupling mechanism.
As shown in Figure 1, the top connecting hole of coupling and dipper connect existing coupling mechanism, and bottom connecting hole connects work tool, and connecting rod is free state.Coupling, without any other auxiliary function, only plays anastomosis, although structure is simple, can cause defect functionally: 1, the swaying direction of work tool is single, and pendulum angle is limited, the working range of restriction facility; 2, the swing speed of facility is comparatively large, cannot effectively control, and reduces operating efficiency; 3, amplitude of fluctuation is comparatively large, easily causes security incidents such as colliding with.Because excavator operation operating mode is general all comparatively complicated, the coupling that cannot effectively control easily causes unnecessary damage, has a strong impact on personal safety as well as the property safety.
Summary of the invention
For solving the problem, the utility model provides a kind of excavator operating equipment coupling mechanism, and enable excavator connect special operation facility fast, versatility is high; Facility job area is large, simultaneously effectively the amplitude of fluctuation of control equipment and swing speed, improves security performance and the operating efficiency of excavator.
Technical scheme adopted to achieve these goals: a kind of excavator operating equipment coupling mechanism, comprise coupling components I and coupling components II, coupling components I is connected with connecting rod with the dipper of excavator, coupling components II is connected with work tool, coupling components I comprises two otic placodes and nose cone that are oppositely arranged, the upper connecting hole of described otic placode is connected with the connecting rod of excavator by bearing pin I, and the lower connecting hole of otic placode is connected with the dipper of excavator by bearing pin II;
Nose cone comprises junction plate, upper plate, base plate, two pieces of nose cone plates, one group of inner casing and one group of outer casing, the side of junction plate is welded with two otic placodes, the opposite side of junction plate welds with upper plate, base plate and two blocks of nose cone plates respectively, between base plate and junction plate towards the angle of upper plate be obtuse angle, two blocks of nose cone plates are connected between upper plate and base plate, nose cone plate is arc conehead away from the angle of junction plate, inner casing is arranged on inside two coneheads of nose cone plate, and outer casing is arranged on outside two coneheads of nose cone plate;
Coupling components II comprises the connecting portion I be connected with nose cone, the connecting portion II be connected with work tool, connecting portion I be have pin shaft hole cylinder or be two pieces with pin shaft hole symmetrically arranged oblate plates, connecting portion II is two blocks of symmetrically arranged oblate plates with pin shaft hole, connecting portion I is mutually vertical with the end face of connecting portion II, and the face of cylinder is interconnected to form transition beam; Nose cone is connected with coupling components II with the pin shaft hole on the connecting hole on inner casing, connecting portion I through outer casing, nose cone plate by bearing pin III.
Further, the face of cylinder of connecting portion I and connecting portion II has ridged stop-motion seat, the inner side of two inner casings has arc check plate, and stop-motion seat and check plate cooperatively interact and limit the pendulum angle of coupling components II.
Further, on outer casing, nose cone plate and inner casing, the side of connecting hole has damper installing hole, the damper installing hole diameter of outer casing is greater than the damper installing hole diameter of inner casing, damper is arranged in installing hole, and the end face of damper and the wear-resisting anchor ring of coupling components II cooperatively interact.
Preferably, the both sides of two outer casings have two dampers respectively.
Further, the anchor ring that cooperatively interacts of damper and coupling components II is heat-treated or is carried out zinc-chromium coating process.
Further, the connecting hole inside of connecting portion I and connecting portion II all has bearing.
Further, described bearing is non-metal coating self-lubricating bearing.
Further, coupling components II is steel-casting.
Inner casing and outer casing are swallow-tail form.
Further, the bearing pin that nose cone is connected with coupling components II has stop mechanism, and described stop mechanism comprises latch, stop sleeve and sheath, and latch is through the pin-and-hole on stop sleeve and bearing pin III, and sheath is enclosed within outside bearing pin III.
Compared with prior art, the utility model has the following advantages:
Two otic placodes of the utility model coupling components I and dipper, connecting rod are connected, and its structure is consistent with scraper bowl with size, and intensity is high, interchangeability is strong; The coupling components II that the structure design of nose cone and four directions swing adds facility working range, the stop-motion seat of nose cone and coupling components II and check plate can independently play spacing effect, the utility model employs four dampers, effectively can reduce and the swing speed of regulable control work tool, drastically increase security performance and the operating efficiency of work tool; The hinged place of coupling components II and work tool and coupling components I all adopts the non-maintaining bearing of non-metal coating self-lubricating, not only ensure that working strength and the rigidity of bearing, has more excellent self-lubricating property and stronger anti-wear performance simultaneously; Coupling components II is integral cast steel part, and manufacture simple, cost is lower, and intensity is higher, multiple functional.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of prior art;
Fig. 2 is schematic perspective view of the present utility model;
Fig. 3 is the schematic perspective view of nose cone 12 in the utility model;
Fig. 4 is the front view of nose cone 12 in the utility model;
Fig. 5 is that the A-A of Fig. 4 is to sectional view;
Fig. 6 is the broken away view of stop mechanism 24 and bearing pin III12-6 in the utility model;
Fig. 7 is the assembling drawing of stop mechanism 24 and bearing pin III12-6 in the utility model;
The schematic perspective view of Fig. 8 coupling components II;
Fig. 9 is the schematic perspective view of damper 12-8 in the utility model.
In figure: 10, coupling components I; 11, otic placode; 11-1, bearing pin I; 11-2, bearing pin II; 12, nose cone; 12-1, junction plate; 12-2, upper plate; 12-3, base plate; 12-4, nose cone plate; 12-5, inner casing; 12-6, bearing pin III; 12-7, check plate; 12-8, damper; 12-9, outer casing; 20, coupling components II; 21, connecting portion I; 22, connecting portion II; 21-1/22-1, stop-motion seat; 23, bearing; 24, stop mechanism; 24-1, latch; 24-2, stop sleeve; 24-2, sheath; 25, transition beam.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 2 to 5, a kind of excavator operating equipment coupling mechanism, comprise coupling components I10 and coupling components II20, coupling components I10 is connected with connecting rod with the dipper of excavator, coupling components II20 is connected with work tool, coupling components I10 comprises two otic placodes be oppositely arranged 11 and nose cone 12, and the upper connecting hole of described otic placode 11 is connected with the connecting rod of excavator by bearing pin I11-1, and the lower connecting hole of otic placode 11 is connected with the dipper of excavator by bearing pin II11-2;
Nose cone 12 comprises junction plate 12-1, upper plate 12-2, base plate 12-3, two pieces of nose cone plate 12-4, one group of inner casing 12-5 and group of outer casing 12-9, the side of junction plate 12-1 is welded with two otic placodes 11, the opposite side of junction plate 12-1 respectively with upper plate 12-2, base plate 12-3 and two piece of nose cone plate 12-4 welds, between base plate 12-3 and junction plate 12-1 towards the angle of upper plate 12-2 be obtuse angle, two pieces of nose cone plate 12-4 are connected between upper plate 12-2 and base plate 12-3, nose cone plate 12-4 is arc conehead away from the angle of junction plate 12-1, inner casing 12-5 is arranged on inside two coneheads of nose cone plate 12-4, outer casing 12-9 is arranged on outside two coneheads of nose cone plate 12-4,
Coupling components II20 comprises the connecting portion I21 be connected with nose cone 12, the connecting portion II22 be connected with work tool, connecting portion I21 be have pin shaft hole cylinder or be two pieces with pin shaft hole symmetrically arranged oblate plates, connecting portion II22 is two blocks of symmetrically arranged oblate plates with pin shaft hole, connecting portion I21 is mutually vertical with the end face of connecting portion II22, and the face of cylinder is interconnected to form transition beam 25; Nose cone 12 is connected with coupling components II20 with the pin shaft hole on the connecting hole on inner casing 12-5, connecting portion I21 through outer casing 12-9, nose cone plate 12-4 by bearing pin III12-6.
Two otic placodes 11 of coupling components I10 are connected with connecting rod with the dipper of excavator, and the connection otic placode of its physical dimension and power shovel is consistent, and interchangeability is high; Nose cone 12 shape of coupling components I10 is obtuse triangle, and this profile design makes the pendulum angle of facility increase, and can not produce interference with coupling mechanism, effectively increases the working range of facility; The connecting portion I21 be connected with nose cone 12 in described coupling components II can make facility around bearing pin III12-6 swing, the connecting portion II22 be connected with work tool can make facility swing around the bearing pin be connected with facility, the working range of facility becomes four direction from bidirectional swinging and swings, and effectively improves the spatial operation range of facility.
Further improvement as shown in Figure 2 and Figure 8, the face of cylinder of connecting portion I21 and connecting portion II22 have ridged stop-motion seat 21-1,22-1, the inner side of two inner casing 12-5 has arc check plate 12-7, and stop-motion seat 22-1 and check plate 12-7 cooperatively interacts and limits the pendulum angle of coupling components II20.
When work tool pendulum angle is excessive, stop-motion seat 22-1 on coupling components II is stuck on the check plate 12-7 inside inner casing, thus the further swing of restriction work tool, the cooperation position of stop-motion seat and check plate is that work tool swings to greatest extent, prevents work tool in job engineering because amplitude of fluctuation is excessive and connecting rod and dipper produce to interfere and damage excavator.
Further improve as shown in Figures 2 and 3, on outer casing 12-9, nose cone plate 12-4 and inner casing 12-5, the side of connecting hole has damper installing hole, the damper installing hole diameter of outer casing 12-9 is greater than the damper installing hole diameter of inner casing 12-5, damper 12-8 is arranged in installing hole, and the end face of damper 12-8 and the wear-resisting anchor ring of coupling components II20 cooperatively interact.
Preferably, the both sides of two outer casing 12-9 have two damper 12-8 respectively.
The end face of damper 12-8 and the mutual friction energy-dissipating damping of the wear-resisting anchor ring of coupling components II20 thus reduce the swing speed of coupling components II20; The damping size of damper is adjusted, until the swing speed of work tool is in controlled range by the pretightning force between continuous damping adjusting device 12-8 and coupling components II20.
As shown in Figure 8, the anchor ring that cooperatively interacts of damper 12-8 and coupling components II20 is heat-treated or is carried out zinc-chromium coating process in further improvement.Strengthen the anti-wear performance of damper 12-8 and coupling components II20, improve its application life.
Further, the connecting hole inside of connecting portion I21 and connecting portion II22 all has bearing 23.
Further, described bearing 23 is non-metal coating self-lubricating bearing.
Bearing connected mode makes the swing all around of work tool more smooth and easy, and non-metal coating self-lubricating bearing is that polytetrafluoroethylresin resin fiber and other fibers mixture are interwoven, and its anti-wear performance is good, friction factor is little, long service life, coefficient of thermal expansion is little, and thermal diffusivity is good.The non-maintaining bearing of non-metal coating self-lubricating is particularly useful for medium and small rotation of digging heavy duty, low speed, and is limited to the occasion of structure not easily grease up.
Preferably, coupling components II20 is steel-casting.Steel-casting is higher relative to ironcasting structural strength, can meet the operation intensity of work tool.
Inner casing 12-5 and outer casing 12-9 is swallow-tail form.The structure of swallow-tail form can reduce stress and concentrate, and improves the application life of backplate.
Further improvement project is as shown in Fig. 3, Fig. 6 and Fig. 7, the bearing pin that nose cone 12 is connected with coupling components II20 has stop mechanism 24, described stop mechanism comprises latch 24-1, stop sleeve 24-2 and sheath 24-3, latch 24-1 is through the pin-and-hole on stop sleeve 24-2 and bearing pin III12-6, and sheath 24-3 is enclosed within outside bearing pin III12-6.Stop mechanism 24 prevents the both sides axial float of bearing pin III12-6; relative to spring catch, stop sleeve 24-2 mono-aspect stopping effect is good, occurs excessive wear on the other hand in anti-locking mechanism rotation process; bearing pin is stuck in the cannelure of stop sleeve 24-2 by sheath 24-3, protects latch 24-1 simultaneously.
First the otic placode 11 of coupling components I10 is connected by the connecting rod of bearing pin I11-1 and bearing pin II11-2 and excavator and dipper in assembling process, then by bearing pin III12-6, nose cone 12 is connected with coupling components II20, the both sides that latch 24-1, stop sleeve 24-2 and sheath 24-3 are assemblied in bearing pin III12-6 are prevented axle play; After adjusting the relative position of nose cone 12 and coupling components II20, be arranged in the installing hole of nose cone 12 respectively by four damper 12-8, outer-hexagonal adjuster on adjustment damper 12-8, ensures that coupling components II20 can freely rotate; Again work tool is connected with coupling components II20, adjusts the position of work tool, constantly adjust the damping size of damper 12-8, until the swing speed of facility is in controlled range simultaneously.
The utility model versatility is high, and facility job area is large, simultaneously can the effectively amplitude of fluctuation of control equipment and swing speed, the security performance of raising excavator.

Claims (10)

1. an excavator operating equipment coupling mechanism, comprise coupling components I (10) and coupling components II (20), coupling components I (10) is connected with connecting rod with the dipper of excavator, coupling components II (20) is connected with work tool, it is characterized in that: coupling components I (10) comprises two otic placodes be oppositely arranged (11) and nose cone (12), the upper connecting hole of described otic placode (11) is connected with the connecting rod of excavator by bearing pin I (11-1), the lower connecting hole of otic placode (11) is connected with the dipper of excavator by bearing pin II (11-2),
Nose cone (12) comprises junction plate (12-1), upper plate (12-2), base plate (12-3), two pieces of nose cone plates (12-4), one group of inner casing (12-5) and one group of outer casing (12-9), the side of junction plate (12-1) is welded with two otic placodes (11), the opposite side of junction plate (12-1) respectively with upper plate (12-2), base plate (12-3) and two pieces of nose cone plate (12-4) welding, between base plate (12-3) and junction plate (12-1) towards the angle of upper plate (12-2) be obtuse angle, two pieces of nose cone plates (12-4) are connected between upper plate (12-2) and base plate (12-3), nose cone plate (12-4) is arc conehead away from the angle of junction plate (12-1), inner casing (12-5) is arranged on inside two coneheads of nose cone plate (12-4), outer casing (12-9) is arranged on outside two coneheads of nose cone plate (12-4),
Coupling components II (20) comprises the connecting portion I (21) be connected with nose cone (12), the connecting portion II (22) be connected with work tool, connecting portion I (21) is for having the cylinder of pin shaft hole or being two pieces with pin shaft hole symmetrically arranged oblate plates, the two block symmetrically arranged oblate plates of connecting portion II (22) for having pin shaft hole, connecting portion I (21) is mutually vertical with the end face of connecting portion II (22), and the face of cylinder is interconnected to form transition beam (25); Nose cone (12) is connected with coupling components II (20) with the pin shaft hole on the connecting hole on inner casing (12-5), connecting portion I (21) through outer casing (12-9), nose cone plate (12-4) by bearing pin III (12-6).
2. excavator operating equipment coupling mechanism as claimed in claim 1, it is characterized in that: the face of cylinder of connecting portion I (21) and connecting portion II (22) has ridged stop-motion seat (21-1,22-1), the inner side of two inner casings (12-5) has arc check plate (12-7), and stop-motion seat (22-1) and check plate (12-7) cooperatively interact and limit the pendulum angle of coupling components II (20).
3. excavator operating equipment coupling mechanism as claimed in claim 2, it is characterized in that: the side of the upper connecting hole of outer casing (12-9), nose cone plate (12-4) and inner casing (12-5) has damper installing hole, the damper installing hole diameter of outer casing (12-9) is greater than the damper installing hole diameter of inner casing (12-5), damper (12-8) is arranged in installing hole, and the end face of damper (12-8) and the wear-resisting anchor ring of coupling components II (20) cooperatively interact.
4. excavator operating equipment coupling mechanism as claimed in claim 3, is characterized in that: the both sides of two outer casings (12-9) have two dampers (12-8) respectively.
5. excavator operating equipment coupling mechanism as claimed in claim 4, is characterized in that: damper (12-8) is heat-treated with the anchor ring that cooperatively interacts of coupling components II (20) or carries out zinc-chromium coating process.
6. excavator operating equipment coupling mechanism as claimed in claim 5, is characterized in that: the connecting hole inside of connecting portion I (21) and connecting portion II (22) all has bearing (23).
7. excavator operating equipment coupling mechanism as claimed in claim 6, is characterized in that: described bearing (23) is non-metal coating self-lubricating bearing.
8. excavator operating equipment coupling mechanism as claimed in claim 7, is characterized in that: coupling components II (20) is steel-casting.
9. excavator operating equipment coupling mechanism as claimed in claim 8, is characterized in that: inner casing (12-5) and outer casing (12-9) are swallow-tail form.
10. the excavator operating equipment coupling mechanism as described in claim as arbitrary in claim 1 to 9, it is characterized in that: the bearing pin that nose cone (12) is connected with coupling components II (20) has stop mechanism (24), described stop mechanism comprises latch (24-1), stop sleeve (24-2) and sheath (24-3), latch (24-1) is through the pin-and-hole on stop sleeve (24-2) and bearing pin III (12-6), and sheath (24-3) is enclosed within bearing pin III (12-6) outside.
CN201420585083.0U 2014-10-10 2014-10-10 Excavator operating equipment coupling mechanism Withdrawn - After Issue CN204238277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420585083.0U CN204238277U (en) 2014-10-10 2014-10-10 Excavator operating equipment coupling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420585083.0U CN204238277U (en) 2014-10-10 2014-10-10 Excavator operating equipment coupling mechanism

Publications (1)

Publication Number Publication Date
CN204238277U true CN204238277U (en) 2015-04-01

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CN201420585083.0U Withdrawn - After Issue CN204238277U (en) 2014-10-10 2014-10-10 Excavator operating equipment coupling mechanism

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104328813A (en) * 2014-10-10 2015-02-04 徐州徐工挖掘机械有限公司 Excavator operation equipment connecting mechanism
CN107700563A (en) * 2017-09-15 2018-02-16 安徽合矿环境科技股份有限公司 A kind of band is spacing and the accessory connector of variable damping function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104328813A (en) * 2014-10-10 2015-02-04 徐州徐工挖掘机械有限公司 Excavator operation equipment connecting mechanism
CN107700563A (en) * 2017-09-15 2018-02-16 安徽合矿环境科技股份有限公司 A kind of band is spacing and the accessory connector of variable damping function
CN107700563B (en) * 2017-09-15 2020-05-12 安徽合矿环境科技股份有限公司 Accessory connector with limiting and damping changing functions

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