CN204099329U - A kind of swinging mechaism, pumping system and engineering machinery - Google Patents
A kind of swinging mechaism, pumping system and engineering machinery Download PDFInfo
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- CN204099329U CN204099329U CN201420438519.3U CN201420438519U CN204099329U CN 204099329 U CN204099329 U CN 204099329U CN 201420438519 U CN201420438519 U CN 201420438519U CN 204099329 U CN204099329 U CN 204099329U
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Abstract
The utility model discloses a kind of engineering machinery, pumping system and swinging mechaism; Swinging mechaism comprises left swing valve oil cylinder, right pendulum valve oil cylinder, rocking arm, left swing valve seat, right pendulum valve seat, the first extension part and the second extension part, the inner of first extension part and the second extension part and one end of rocking arm are fixedly linked, outer end is hinged with one end of left swing valve oil cylinder and right pendulum valve oil cylinder respectively, the other end of left swing valve oil cylinder and right pendulum valve oil cylinder respectively with left swing valve seat and right pendulum valve seat hinged.Owing to adding two extension parts in the end of rocking arm, the arm of force of swinging mechaism is increased, the cylinder diameter of therefore required pendulum valve oil cylinder just can reduce accordingly, not only cost-saving, also reduces the weight of swinging mechaism, reduces reversing impact power; In addition, due to the increase of two extension parts, the distance between left swing valve seat and right pendulum valve seat can reduce, the corresponding spacing reducing two pendulum valve oil cylinders, thus can reduce hopper rear wall plate width, realizes hopper loss of weight, reduces costs.
Description
Technical field
The utility model relates to pumping technology field, particularly a kind of swinging mechaism; In addition, the utility model also relates to the pumping system and engineering machinery that comprise above-mentioned swinging mechaism.
Background technique
Concrete pumping equipment is that a kind of pressure that utilizes is by the engineering machinery of concrete along pipeline continus convergence, be mainly used in that room is built, the aspect such as bridge and tunnel construction, be machinery conventional in engineering machinery, common concrete pumping equipment has concrete mixer, drags pump and Vehicle loaded pump etc.
Concrete pumping equipment generally includes conveying cylinder, hopper, distributing valve and swinging mechaism, described hopper is used for depositing concrete, distributing valve can carry out State Transferring under the driving of swinging mechaism, conveying cylinder is made to be communicated with hopper in a first state, concrete pumping equipment carries out suction, make conveying cylinder be connected with delivery pipe in the second condition, concrete pumping equipment carries out stock.By repeatedly suction and stock, concrete pumping equipment outwards carries the concrete of certain flow.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical swinging mechaism in prior art.This swinging mechaism comprises left swing valve oil cylinder 2 ', right pendulum valve oil cylinder 3 ', rocking arm 1 ', left swing valve seat 5 ' and right pendulum valve seat 4 ', the outer end of left swing valve oil cylinder 2 ' and right pendulum valve oil cylinder 3 ' is connected to the first articulating point and the second articulating point with left swing valve seat 5 ' and right pendulum valve seat 4 ' ball pivot respectively, the inner of left swing valve oil cylinder 2 ' and right pendulum valve oil cylinder 3 is connected to the 3rd articulating point and the 4th articulating point with the upper end ball pivot of rocking arm 1 ' respectively, 3rd articulating point and the 4th articulating point spacing less, be located on the upper end of rocking arm 1 ', the lower end of rocking arm 1 ' is also provided with the fitting seat connecting distributing valve.Under the effect of hydraulic oil, promote the piston rod of left swing valve oil cylinder 2 ' and right pendulum valve oil cylinder 3 ', piston rod drives rocking arm 1 ' to swing, and rocking arm 1 ' drives the rotation of distributing valve, thus realizes the commutation of distributing valve.
The major defect of above-mentioned swinging mechaism is: when providing identical commutation moment, and because the swinging mechaism arm of force is shorter, cylinder thrust is then comparatively large, and therefore required oil cylinder is comparatively thick, also larger to the impact of car load.
Model utility content
In view of this, the utility model proposes a kind of swinging mechaism, solve the swinging mechaism arm of force shorter, the problem that required oil cylinder is thicker, reduce the impact to car load.The utility model also proposed a kind of pumping system and the engineering machinery that comprise above-mentioned swinging mechaism.
On the one hand, the utility model provides a kind of swinging mechaism, comprises left swing valve oil cylinder, right pendulum valve oil cylinder, rocking arm, left swing valve seat and right pendulum valve seat; Described swinging mechaism also comprises the first extension part and the second extension part, described first extension part and the inner of the second extension part and one end of rocking arm are fixedly linked, outer end is hinged with one end of described left swing valve oil cylinder and right pendulum valve oil cylinder respectively, the other end of described left swing valve oil cylinder and right pendulum valve oil cylinder respectively with left swing valve seat and right pendulum valve seat hinged.
Further, hinge is passed through with one end of described left swing valve oil cylinder and right pendulum valve oil cylinder respectively in the outer end of described first extension part and the second extension part.
Further, described first extension part and the second extension part are hollow box body structure.
Further, described rocking arm comprises the first arm and the second arm that removably connect, and described first extension part and the second extension part are connected on described first arm.
Further, described first arm is hollow box body structure, and the second arm is solid construction.
Further, the end that described first arm is connected with the second arm is provided with boss, the end that described second arm is connected with the first arm is provided with the groove matched with described boss, and the end that described first arm is connected with the second arm is equipped with hole, described boss is fastened by bolts between described first arm and the second arm after inserting groove.
Further, described first extension part, the second extension part and rocking arm form "T"-shaped connecting rod or " Y " shape connecting rod.
Further, described left swing valve oil cylinder, right pendulum valve oil cylinder, rocking arm, the first extension part and the coplanar setting of the second extension part.
Further, when described rocking arm is in meta, described left swing valve oil cylinder is parallel with right pendulum valve oil cylinder.
A kind of swinging mechaism that the utility model provides, compared with prior art, swinging mechaism of the prior art, two ball pivot contacts of left swing valve oil cylinder and right pendulum valve oil cylinder and rocking arm are from obtaining very, this structure causes the tilt angle of left swing valve oil cylinder and right pendulum valve oil cylinder larger, the two needs to arrange close to conllinear, so just cause the arm of force of swinging mechaism less, when providing identical commutation moment, pendulum valve oil cylinder required thrust is larger, therefore required pendulum valve oil cylinder will be thicker, increase the weight of swing mechanism like this, add cost, in addition, pendulum valve cylinder thrust is larger, too increase reversing impact power simultaneously, larger to the impact of car load.And the swinging mechaism that the utility model provides, owing to adding two extension parts in the end of rocking arm, so just the arm of force of swinging mechaism is increased, the cylinder diameter of therefore required pendulum valve oil cylinder just can reduce accordingly, not only cost-saving, also reduce the weight of swinging mechaism, reduce reversing impact power; In addition, due to the increase of two extension parts, the distance between left swing valve seat and right pendulum valve seat just can reduce, the corresponding spacing reducing two pendulum valve oil cylinders, thus can reduce hopper rear wall plate width, realizes hopper loss of weight, reduces costs.
In further technological scheme, hinge is passed through with one end of left swing valve oil cylinder and right pendulum valve oil cylinder respectively in the outer end of the first extension part and the second extension part, instead of ball-joint of the prior art, when dismantling pendulum valve oil cylinder on one side, bearing pin is only needed to take out, the dismounting of pendulum valve oil cylinder can be completed, the therefore easier dismounting of this structure.
In further technological scheme, because the first extension part and the second extension part are hollow box body structure, further mitigate the weight of swinging mechaism, saved cost.
On the other hand, the utility model additionally provides a kind of pumping system, comprises hopper, distributing valve and any one swinging mechaism above-mentioned, and described left swing valve seat and right pendulum valve seat are fixed on hopper, the other end of described rocking arm is provided with fitting seat, and described rocking arm is connected with distributing valve by fitting seat.
Another aspect, the utility model also provides a kind of engineering machinery, comprises above-mentioned pumping system.
The pumping system that the utility model provides and engineering machinery, owing to comprising above-mentioned swinging mechaism, therefore also have above-mentioned beneficial effect, do not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the mounting structure schematic diagram of swinging mechaism in correlation technique;
Fig. 2 is the structural representation of a kind of swinging mechaism in the utility model specific embodiment;
Fig. 3 is the structural representation of the second swinging mechaism in the utility model specific embodiment;
Fig. 4 is the structural representation of the third swinging mechaism in the utility model specific embodiment;
Fig. 5 is the mounting structure schematic diagram of the first arm and two pars contractilis in the utility model specific embodiment;
Fig. 6 is the structural representation of the second arm in the utility model specific embodiment;
Fig. 7 is the mounting structure schematic diagram of rocking arm in the utility model specific embodiment.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.1-7 also describes the utility model in detail in conjunction with the embodiments below with reference to the accompanying drawings.
As shown in Fig. 2,3 and 4, a kind of swinging mechaism that the utility model specific embodiment provides, comprise left swing valve oil cylinder 2, right pendulum valve oil cylinder 3, rocking arm 1, left swing valve seat 5, right pendulum valve seat 4, first extension part 6 and the second extension part 7, first extension part 6 and the inner of the second extension part 7 and the upper end of rocking arm 1 are fixedly linked, the outer end of the first extension part 6 and the second extension part 7 respectively with the upper end thereof of left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3, the other end of left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3 respectively with left swing valve seat 5 and the ball-joint of right pendulum valve seat 4.This swinging mechaism is flexible by the piston rod of left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3, promotes the first extension part 6 and the second extension part 7 rotates, and then drives rocking arm 1 to swing, and finally causes the switching of distributing valve.In this swinging mechaism, owing to adding two extension parts in the end of rocking arm 1, so just the arm of force of swinging mechaism is increased, the cylinder diameter of therefore required pendulum valve oil cylinder just can reduce accordingly, not only cost-saving, also reduce the weight of swinging mechaism, reduce reversing impact power; In addition, due to the increase of two extension parts, the distance between left swing valve seat 5 and right pendulum valve seat 4 just can reduce, the corresponding spacing reducing two pendulum valve oil cylinders, thus can reduce hopper rear wall plate width, realizes hopper loss of weight, reduces costs.
Particularly, the first extension part 6 and the second extension part 7 have multiple with the position relationship of rocking arm 1, are described in detail below with two wherein kind:
The first, as shown in Figure 2, first extension part 6 and the second extension part 7 conllinear are arranged, and perpendicular to rocking arm 1, first extension part 6, second extension part 7 and rocking arm 1 three "T"-shaped, left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3 vertically arrange and are parallel to each other, and this structure not only increases the arm of force of swinging mechaism, also significantly reduces the spacing between left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3.
The second, as shown in Figure 3, first extension part 6 and the angled upper end being fixed on rocking arm 1 of the second extension part 7, first extension part 6, second extension part 7 becomes " Y " shape with rocking arm 1 three, left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3 vertically arrange and are parallel to each other, this structure not only increases the arm of force of swinging mechaism equally, also significantly reduces the spacing between left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3.
It should be noted that, left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3 be not limited to above-mentioned vertically and be arranged in parallel, can also be obliquely installed (as shown in Figure 4), only the increase effect of the arm of force does not now have above-mentioned two kinds of structures obvious, preferably; when rocking arm 1 is in meta, left swing valve oil cylinder 2 is parallel with right pendulum valve oil cylinder 3; In addition, the length of the first extension part 6, second extension part 7, left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3 and setting position, can take into full account that space is arranged and determines after mechanism kinematic feasibility again.
Above in various swinging mechaism, in order to the easy accessibility of left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3, hinge is passed through with one end of left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3 respectively in the outer end of the first extension part 6 and the second extension part 7, replace ball-joint of the prior art, in the structure of prior art when dismantling left swing valve oil cylinder 2, also will by the release of right pendulum valve oil cylinder 3, could dismantle, dismounting comparatively bothers, and only needs dismounting in the utility model or tighten the dismounting that bearing pin can realize left swing valve oil cylinder 2 and right pendulum valve oil cylinder 3.
As shown in Fig. 5,6 and 7, in order to alleviate the weight of swinging mechaism further, cost-saving, again in conjunction with the mechanical characteristic of rocking arm 1, rocking arm 1 can also be designed to conllinear and the first arm 11 removably connected and the second arm 12, first extension part 6 and the second extension part 7 are connected on the first arm 11, the second arm 12 is connected with distributing valve, first arm 11 is hollow box body structure, and the second arm 12 is solid construction; Equally, first extension part 6 and the second extension part 7 also can be designed to hollow box body structure, and the first extension part 6, second extension part 7 and the first arm 11 can be made of one structure, such as: the connecting rod of "T"-shaped or " Y " shape, the sheet metal of two pieces of same shapes ("T"-shaped or " Y " shape) can be welded together, be hollow between two sheet metals, like this when adding first extension part 6 and second extension part 7, reached the object of the even loss of weight of not increasing weight by hollow-core construction; Second arm 12 owing to will be subject to larger moment of torsion, therefore makes solid construction in swing process.
For the ease of the connection between the first arm 11 and the second arm 12 and the transmission of moment between the first arm 11 and the second arm 12, particularly, the bottom of the first arm 11 is provided with boss 13, the top of the second arm 12 is provided with the groove 14 matched with boss 13, and the end that the first arm 11 is connected with the second arm 12 is equipped with hole, after boss 13 inserts groove 14, be fastened by bolts between the first arm 11 and the second arm 12, like this, the effect of transmitting torque is played on boss 13 and the border of groove 14; In addition, as a kind of equivalent arrangements, the position that boss 13 and groove 14 are arranged can exchange, and namely the bottom of the first arm 11 is provided with groove 14, and the top of the second arm 12 is provided with the boss 13 matched with groove 14.
Preferably, in the swinging mechaism in above-described embodiment, left swing valve oil cylinder 2, right pendulum valve oil cylinder 3, rocking arm 1, first extension part 6 and the coplanar setting of the second extension part 7; Certainly, left swing valve oil cylinder 2, right pendulum valve oil cylinder 3, rocking arm 1, first extension part 6 and the second extension part 7 also can not in same planes.
The utility model specific embodiment additionally provides a kind of pumping system, comprise hopper, distributing valve and any one swinging mechaism above-mentioned, left swing valve seat 5 and right pendulum valve seat 4 are fixed on hopper, and the lower end of rocking arm 1 is provided with fitting seat 8, and rocking arm 1 is connected with distributing valve by fitting seat 8.This pumping system also has above-mentioned beneficial effect, does not repeat them here.
The utility model specific embodiment additionally provides a kind of engineering machinery comprising above-mentioned pumping system.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. a swinging mechaism, comprise left swing valve oil cylinder (2), right pendulum valve oil cylinder (3), rocking arm (1), left swing valve seat (5) and right pendulum valve seat (4), it is characterized in that, also comprise the first extension part (6) and the second extension part (7), the inner of described first extension part (6) and the second extension part (7) and one end of rocking arm (1) are fixedly linked, outer end is hinged with one end of described left swing valve oil cylinder (2) and right pendulum valve oil cylinder (3) respectively, the other end of described left swing valve oil cylinder (2) and right pendulum valve oil cylinder (3) respectively with left swing valve seat (5) and right pendulum valve seat (4) hinged.
2. swinging mechaism according to claim 1, it is characterized in that, hinge is passed through with one end of described left swing valve oil cylinder (2) and right pendulum valve oil cylinder (3) respectively in the outer end of described first extension part (6) and the second extension part (7).
3. swinging mechaism according to claim 1, is characterized in that, described first extension part (6) and the second extension part (7) are hollow box body structure.
4. swinging mechaism according to claim 1, it is characterized in that, described rocking arm (1) comprises the first arm (11) and the second arm (12) that removably connect, and described first extension part (6) and the second extension part (7) are connected on described first arm (11).
5. swinging mechaism according to claim 4, is characterized in that, described first arm (11) is hollow box body structure, and the second arm (12) is solid construction.
6. swinging mechaism according to claim 4, it is characterized in that, the upper end be connected with the second arm (12) of described first arm (11) is provided with boss (13), the upper end be connected with the first arm (11) of described second arm (12) is provided with the groove (14) matched with described boss (13), and the end that described first arm (11) is connected with the second arm (12) is equipped with hole, described boss (13) is fastened by bolts between described first arm (11) and the second arm (12) after inserting groove (14).
7. the swinging mechaism according to any one of claim 1-6, is characterized in that, described first extension part (6), the second extension part (7) and rocking arm (1) form "T"-shaped connecting rod or " Y " shape connecting rod.
8. the swinging mechaism according to any one of claim 1-6, it is characterized in that, described left swing valve oil cylinder (2), right pendulum valve oil cylinder (3), rocking arm (1), the first extension part (6) and the second extension part (7) coplanar setting.
9. the swinging mechaism according to any one of claim 1-6, is characterized in that, when described rocking arm (1) is in meta, described left swing valve oil cylinder (2) is parallel with right pendulum valve oil cylinder (3).
10. a pumping system, comprise hopper and distributing valve, it is characterized in that, also comprise the swinging mechaism described in any one of claim 1-8, described left swing valve seat (5) and right pendulum valve seat (4) are fixed on hopper, the other end of described rocking arm (1) is provided with fitting seat (8), and described rocking arm (1) is connected with distributing valve by fitting seat (8).
11. 1 kinds of engineering machinery, is characterized in that, comprise pumping system according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438519.3U CN204099329U (en) | 2014-08-05 | 2014-08-05 | A kind of swinging mechaism, pumping system and engineering machinery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438519.3U CN204099329U (en) | 2014-08-05 | 2014-08-05 | A kind of swinging mechaism, pumping system and engineering machinery |
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| CN204099329U true CN204099329U (en) | 2015-01-14 |
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| CN201420438519.3U Active CN204099329U (en) | 2014-08-05 | 2014-08-05 | A kind of swinging mechaism, pumping system and engineering machinery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485628A (en) * | 2020-04-23 | 2020-08-04 | 上海建工四建集团有限公司 | Suspension structure steel suspender |
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2014
- 2014-08-05 CN CN201420438519.3U patent/CN204099329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485628A (en) * | 2020-04-23 | 2020-08-04 | 上海建工四建集团有限公司 | Suspension structure steel suspender |
| CN111485628B (en) * | 2020-04-23 | 2021-09-28 | 上海建工四建集团有限公司 | Suspension structure steel suspender |
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