CN202370254U - Pumping mechanism and concrete pump - Google Patents

Pumping mechanism and concrete pump Download PDF

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Publication number
CN202370254U
CN202370254U CN2011204487047U CN201120448704U CN202370254U CN 202370254 U CN202370254 U CN 202370254U CN 2011204487047 U CN2011204487047 U CN 2011204487047U CN 201120448704 U CN201120448704 U CN 201120448704U CN 202370254 U CN202370254 U CN 202370254U
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CN
China
Prior art keywords
pull bar
pumping mechanism
hopper
rear wall
water tank
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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.)
Expired - Lifetime
Application number
CN2011204487047U
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Chinese (zh)
Inventor
刘云
李永久
朱爱强
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.)
Sany Automobile Manufacturing Co Ltd
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Sany Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN2011204487047U priority Critical patent/CN202370254U/en
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Publication of CN202370254U publication Critical patent/CN202370254U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a pumping mechanism and a concrete pump. The pumping mechanism comprises a water tank, a hopper and conveying cylinders, wherein the conveying cylinders are arranged between the water tank and the hopper, and a swinging device is arranged on a rear wallboard of the hopper, and comprises a rocker arm; and the pumping mechanism further comprises a pull rod group, wherein the pull rod group is arranged between the water tank and the hopper, and comprises a first pull rod, a second pull rod and a connecting component, wherein two ends of the first pull rod are respectively connected with the water tank and the rear wallboard of the hopper, one end of the second pull rod is connected with the water tank, the other end of the second pull rod is connected to the rear wallboard of the hopper through the connecting component, the connecting component is located in an arranging space formed by the rocker arm and the two conveying cylinders, and the rocker arm and the connecting component do not interfere with each other when the swinging device works. According to the utility model, as the second pull rod is connected with the rear wallboard of the hopper through the connecting component, a narrow X area can be utilized sufficiently, and the pumping mechanism has the advantages of compact overall layout, high expansibility, high universality, easiness for installation and disassembly and the like.

Description

A kind of pumping mechanism and concrete pump
Technical field
The utility model relates to engineering machinery field, specifically, relates to a kind of pumping mechanism, and the concrete pump that comprises this pumping mechanism.
Background technology
As shown in Figure 1; In the prior art, S valve concrete pumping mechanism mainly forms (the part component do not draw among Fig. 1) by master cylinder 1 ', conveying cylinder 4 ', concrete piston, water tank 2 ', pull bar group 3 ', hopper 6 ', several parts such as pendulum swing mechanism 5 ', S valve and mixing plant.
Two concrete pistons are connected with the main oil cylinder piston bar respectively, under the effect of master cylinder 1 ', move back and forth.One cylinder advances, and another cylinder is retreated, and under oscillating oil cylinder 502 ' effect, the S valve carries cylinder 4 ' to be communicated with one of them simultaneously, and another carries cylinder 4 ' to be communicated with hopper 6 '.The concrete piston of retreating so just sucks the concrete in the hopper 6 ' and carries cylinder 4 '; The concrete piston that advances will be carried the concrete in the cylinder 4 ' to send into the S valve and pump, and when the concrete piston was retreated to stroke terminal, the control system sent signal; 1 ' the switching-over of two master cylinders; Oscillating oil cylinder 502 ' switching-over simultaneously makes the S valve, carries mode of communicating and motion mode between cylinder 4 ', the hopper 6 ' to replace, thereby realizes uninterrupted pumping.
The water tank 2 ' of pumping mechanism, carry being connected between cylinder 4 ' and the hopper 6 ' to rely on the connection of pull bar group 3 ' (being generally 6 pull bars); An end that is pull bar directly is fixedly connected with the rear wall plate 601 ' of hopper 6 ' through screw thread; The other end passes water tank 2 ' and is fixedly connected through screw thread; Carry cylinder 4 ' to be positioned between hopper rear wall plate 601 ' and the water tank 2 '; Therefore the pull rod screw of screwing can realize carrying cylinder 4 ' to be clamped between water tank 2 ' and the hopper 6 ', thereby realizes that reliable fixation connects between the three.
The particularity that wherein has following reason to cause pull bar group 3 ' to be arranged:
1) is delivered to water tank 2 ', carries in being connected between cylinder 4 ' and the hopper 6 ' for the effective tightening force that guarantees pull bar; And the internal stress of not bringing too much additional bending moment to cause; The pull bar of pull bar group 3 ' all is arranged in usually and carries cylinders 4 ' with two is on the as far as possible little excircle of the diameter at center; And stressed even in order to guarantee, pull bar needs symmetry or near symmetric arrangement, is arranged as 6 pull bars usually; Must on the symmetrical plane of two conveying cylinders 4 ', have a pair of pull bar so, promptly have middle upper connecting rod as shown in Figure 2 302 ' and middle upper connecting rod 301 '.
2) in order to guarantee the smoothness in S valve flow road, the import of S valve and export center should be as far as possible little apart from (eccentric throw), and promptly the center of rotation axis of S valve and two conveying cylinders, 4 ' distance between center line should be as far as possible little.
In order to satisfy above-mentioned two conditions, the middle upper connecting rod 302 ' of pull bar group 3 ' only can be arranged in the Rocker arm 5 01 ' of pendulum swing mechanism 5 ' and carry in cylinder 4 ' the middle narrow space, in the cloud line zone of X indication promptly shown in Figure 2 usually.
There is following defective when adopting pull bar group illustrated in figures 1 and 23 ' to connect water tank 2 ' and hopper rear wall plate 601 ':
1) under the very poor situation of concrete performance, be the shaking moment that guarantees the S valve, avoid occurring the motionless phenomenon of pendulum, then need increase the pushing torque in the pendulum swing mechanism 5 '.At this moment; In order to guarantee the intensity of Rocker arm 5 01 ' and S valve shaft head junction (being generally spline), need to increase the spindle nose of S valve, the size of Rocker arm 5 01 ' also can increase simultaneously; X regional space then shown in Figure 2 further diminishes; As adopting screw thread directly to be connected with hopper rear wall plate 601 ' on pull bar according to traditional approach, upper connecting rod 302 ' is interfered with Rocker arm 5 01 ' bottom or conveying cylinder 4 ' in then can occurring, and can't realize the layout of pull bar.
2) super-pressure drag pump S valve shaft head and Rocker arm 5 01 ' for guaranteed strength; Its size is also bigger; As adopting screw thread directly to be connected with hopper rear wall plate 601 ' on pull bar according to traditional approach; Then can occur equally above-mentioned in upper connecting rod 302 ' and Rocker arm 5 01 ' bottom or the situation of carrying cylinder 4 ' to interfere, can't realize the layout of pull bar.
3) super-pressure drags the pull bar group 3 ' of pump need increase the diameter of pull bar in order to guarantee pull bar intensity, and upper connecting rod 302 ' is interfered with Rocker arm 5 01 ' bottom or conveying cylinder 4 ' in also can occurring, and can't realize the layout of pull bar.
4) like above-mentioned situation; In order to adopt traditional middle upper connecting rod 302 ' directly to be fixedly connected through screw thread with rear wall plate 601 '; Then need increase S valve center of rotation and the center to center distance of carrying cylinder 4 '; Further make S valve flow road steepening thus, be unfavorable for smooth pumping, be unfavorable for the versatility of S valve, the modularization work of pumping mechanism simultaneously.
The utility model content
In order to overcome the above-mentioned defective and the deficiency of prior art; The purpose of the utility model is to provide a kind of pumping mechanism; This pumping mechanism can be avoided the interference between pull bar and rocking arm, the conveying cylinder, helps being connected between the pull bar of pull bar installation region (X zone) when diminishing and the rear wall plate.
The pumping mechanism of the utility model; Comprise water tank and hopper and be arranged at conveying cylinder between the two; Distributing valve is installed in the hopper, and the hopper rear wall plate is provided with the rocking equipment that drives the distributing valve switching-over, and rocking equipment comprises rocking arm; Said pumping mechanism also comprises the pull bar group that is arranged between water tank and the hopper, and said pull bar group comprises:
First pull bar, the two ends of said first pull bar connect said water tank and hopper rear wall plate respectively;
Second pull bar and link, an end of said second pull bar is connected with said water tank, and the other end is connected on the hopper rear wall plate through said link, and said link is arranged in said rocking arm and two and carries the formed space that is provided with of cylinder; When rocking equipment is made rocking action, mutually noninterfere between rocking arm and the link.
Preferred as technique scheme, said link is a contiguous block, and contiguous block is set to first concave surface towards the one side of said rocking arm, and when rocking equipment was made rocking action, contiguous block was through mutually noninterfere between first concave surface and the rocking arm.
Preferred as technique scheme, said contiguous block is set to second concave surface towards the one side of said conveying cylinder.
Preferred as technique scheme, said contiguous block comprises fixed connection portion, said second pull bar with the portion of fixed connection.
Preferred as technique scheme, said link comprises two connecting rods and a junction plate, said connecting rod is distributed in the both sides of rocking arm; One end of connecting rod is fixed on the hopper rear wall plate, and the other end is fixed on the junction plate, and second pull bar is connected with junction plate.
Preferred as technique scheme; Said link comprises three connecting rods and a junction plate; The distribution triangular in shape of said connecting rod is fixed on the hopper rear wall plate, and carry between the cylinder two on a leg-of-mutton wherein summit, and other two summits are positioned at the both sides of rocking arm; One end of connecting rod is fixed on the hopper rear wall plate, and the other end is fixed on the junction plate, and second pull bar is connected with junction plate.
The triangle that preferred as technique scheme, three connecting rods form is an isosceles triangle, and carry between the cylinders two on the summit of isosceles triangle, and two summits on isosceles triangle base are positioned at the both sides of rocking arm.
Preferred as technique scheme, said contiguous block and said second pull bar are through being threaded.
Preferred as technique scheme, said connecting rod and junction plate be through being threaded, and said junction plate and second pull bar are through being threaded.
Another purpose of the utility model is to provide a kind of concrete pump, and this concrete pump comprises aforesaid pumping mechanism.
The utility model connects second pull bar and hopper rear wall plate through link, can make full use of narrow and small X zone.Compared with prior art, the utility model has been avoided second pull bar is set directly at the inadequate defective in the space of bringing on the hopper rear wall plate, and integral layout is compact; In addition, the utility model can freely increase S valve shaft head, rocking arm size or pull bar diameter, is convenient to pumping mechanism is changed a social system or expanded, and its autgmentability is strong; And the utility model can adopt general S valve, needn't increase the eccentric throw of S valve in order to increase the X zone, and its versatility is good; In addition, the utility model also has the existing structure change little, is easy to advantages such as installing/dismounting.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of the pumping mechanism of prior art;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structure chart of the pumping mechanism of the utility model one embodiment;
Fig. 4 is the enlarged drawing in B embodiment illustrated in fig. 3 zone;
Fig. 5 is the structure chart of the link of the utility model one embodiment;
Fig. 6 is contiguous block embodiment illustrated in fig. 5 and rocking arm, carry the position view between the cylinder;
Fig. 7 is the structure chart of the link of another embodiment of the utility model.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Figure 3 is the structure chart of the pumping mechanism of the utility model one embodiment.Similar with prior art; This pumping mechanism comprises water tank 2, hopper 6; And be arranged at conveying cylinder 4 between the two, and distributing valve is installed in the hopper 6, and hopper rear wall plate 601 is provided with the rocking equipment 5 that drives the distributing valve switching-over; Rocking equipment 5 comprises Rocker arm 5 01, and this pumping mechanism also comprises the pull bar group 3 that is arranged between water tank 2 and the hopper 6.
The pumping mechanism of the utility model can solve the problem that can not arrange pull bar because of S valve shaft head, Rocker arm 5 01 size or the increase of pull bar diameter (the X zone among Fig. 2 diminishes at this moment).
Like Fig. 3 and shown in Figure 4, the pull bar group 3 of the utility model comprises first pull bar 301, second pull bar 302 and contiguous block parts.Wherein the two ends of first pull bar 301 connect water tank 2 and hopper rear wall plate 601 respectively.The two ends of first pull bar 301 with the connected mode of water tank 2, hopper rear wall plate 601 can be weld, be threaded, one-body molded or other be fixedly connected mode, the utility model is not limited to this.
Wherein, Water tank 2 can play master cylinder 1 and the effect of carrying cylinder 4 of connecting; Reciprocating concrete piston can retreat in the water tank 2 and overhaul or dismounting in carrying cylinder 4; Water in this water tank 2 can also cool off or lubricated effect the concrete piston, and the structure of water tank 2 is with reference to prior art, and this paper repeats no more at this.Hopper rear wall plate 601 can also support the axle center of concrete piston, S valve etc. above that except forming the seal cavity with other wallboard of hopper, and the structure of hopper rear wall plate 601 also can be with reference to prior art, and this paper repeats no more at this.
The quantity of first pull bar 301 can be for one or more, and the utility model is not limited to this.For effective tightening force of guaranteeing pull bar and do not bring internal stress; The pull bar of pull bar group 3 all is arranged in usually and carries cylinders 4 with two is on the as far as possible little excircle of the diameter at center; And stressed even in order to guarantee, pull bar needs symmetry or near symmetric arrangement, is arranged as 6 pull bars usually.Preferably, in order to reduce the change to existing structure, the quantity of first pull bar 301 of the utility model can be 5, and correspondingly, the quantity of second pull bar 302 is 1.These 6 pull bars can be defined as upper left pull bar, middle upper connecting rod, upper right pull bar, left lower link, middle lower link and bottom right pull bar respectively according to the orientation.Second pull bar 302 can be middle upper connecting rod, and first pull bar 301 can be other pull bar except middle upper connecting rod.
One end of second pull bar 302 is connected with water tank 2; The other end is connected on the hopper rear wall plate 601 through link; Link is arranged in Rocker arm 5 01 and two and carries the cylinder 4 formed spaces that are provided with, when rocking equipment 5 is made rocking action, and mutually noninterfere between Rocker arm 5 01 and the link.
The two ends of second pull bar 302 with the connected mode of water tank 2, link can be weld, be threaded, one-body molded or other be fixedly connected mode, the utility model is not limited to this.Preferably like preamble described 1 of the quantity of second pull bar 302, this second pull bar 302 is preferably the middle upper connecting rod in 6 pull bars.Should be understood that, be other quantity at second pull bar 302, when perhaps being positioned at other orientation, can realize the technique effect of the utility model equally, and the utility model is not limited to this.
Wherein, alternately be communicated with carrying cylinder 4 thereby Rocker arm 5 01 drives the swing of S valve under the driving of oscillating oil cylinder 502, the structure of Rocker arm 5 01 and conveying cylinder 4 can be with reference to prior art, and this paper repeats no more at this.
Above-mentioned X regional structure is compact, in case S valve shaft head, Rocker arm 5 01 size or pull bar diameter increase, will be difficult to directly arrange second pull bar 302.Should be understood that the utility model can adopt the link of multiple structure,, just can realize the technique effect of the utility model as long as this link is positioned at a side of hopper rear wall plate 601 and can successfully be installed on this X zone.Such as, this contiguous block 7 can be a round platform that the two ends area is different, its small end can be fixed on the hopper rear wall plate 601, and its big end can be used to connect second pull bar 302.This link also can be Fig. 5 and structure embodiment illustrated in fig. 7.
Shown in Figure 5 is the structure chart of the link of the utility model one embodiment; Link is a contiguous block 7 in this embodiment; Contiguous block 7 is set to the first concave surface 7a towards the one side of Rocker arm 5 01; When rocking equipment 5 was made rocking action, contiguous block 7 was through mutually noninterfere between the first concave surface 7a and the Rocker arm 5 01.
This first concave surface 7a can avoid the interference of Rocker arm 5 01, and the width D 1 of the first concave surface 7a can be greater than the maximum ga(u)ge of Rocker arm 5 01.When this Rocker arm 5 01 adopts locking nut 503 (like Fig. 3 and shown in Figure 4), if locking nut 503 is higher than Rocker arm 5 01, then this maximum ga(u)ge then is the height of locking nut 503.At this moment, this first concave surface 7a can reserve the space of back-outing of locking nut 503, has both realized dodging the effect of Rocker arm 5 01 and locking nut 503 effectively, has guaranteed the withdrawal space of locking nut 503 and Rocker arm 5 01 again.
In addition, contiguous block 7 is set to second concave surface towards the one side of said conveying cylinder 4.The interference that this second concave surface 7b can avoid carrying cylinder 4.The first concave surface 7a and the second concave surface 7b can adopt the concave surface of cancave cambered surface or other structure, and the utility model is not limited to this.When adopting cancave cambered surface, the first concave surface 7a and the second concave surface 7b form the cross section on the whole and are Fig. 5 or " V " shape structure shown in Figure 6.When two adjacent conveying cylinders 4 were arranged in the X zone, the quantity of this second concave surface 7b was 2.
What be worth explanation is that when dodging Rocker arm 5 01 and carrying cylinder 4, Fig. 5 and embodiment shown in Figure 6 adopt concave surface to realize.When adopting other structure such as plane, can realize the technique effect of the utility model equally.
As an embodiment, contiguous block 7 comprises fixed connection portion 71, the second pull bars 302 and is fixedly connected portion's 71 fixed connections.
This fixed connection portion 71 has certain thickness D2, to guarantee the intensity of second pull bar 302 and contiguous block 7, reaches reliable purpose of connecting.Second pull bar 302 can through weld, be threaded, one-body molded or alternate manner is fixed in the fixed connection portion 71, the utility model is not limited to this.Preferably, this fixed connection portion 71 is provided with the first screwed hole 71a that is threaded with second pull bar 302.
In addition, also be threaded between also preferred contiguous block 7 and the hopper rear wall plate 601, so that improve the integral installation dismantling property of the pull bar group 3 of the utility model.Correspondingly, also be provided with the second screwed hole 71b that is threaded with hopper rear wall plate 601 in the fixed connection portion 71.Fig. 5 and embodiment illustrated in fig. 6 in, the quantity of this second screwed hole 71b is 3, in addition, this screwed hole passes contiguous block 7 (passing " V " shape structure that the aforementioned first concave surface 7a and the second concave surface 7b form) from fixed connection portion 71 beginning integral body.
Should be understood that, with contiguous block 7 with carry cylinder 4 to be fixedly connected or one-body molded, and then integral installation can realize the technique effect of the utility model equally in 601 last times of hopper rear wall plate, the utility model is not limited to this.
Fig. 6 is contiguous block 7 embodiment illustrated in fig. 5 and Rocker arm 5 01, carry the position view between the cylinder 4.In the figure, the centre that the position is set that contiguous block 7 is positioned at hopper rear wall plate 601 upper rocker arms 501, carries cylinder 4, promptly this contiguous block 7 is positioned at Rocker arm 5 01 below, carries cylinder 4 tops.
Fig. 7 is the structure chart of the link of another embodiment of the utility model; This link comprises three connecting rods 73 and a junction plate 72; Connecting rod 73 distributions triangular in shape are fixed on the hopper rear wall plate 601; Carry between the cylinder 4 two on a leg-of-mutton wherein summit, and other two summits are positioned at the both sides of Rocker arm 5 01.Preferably, the triangle of three connecting rod 73 formation is an isosceles triangle, and carry between the cylinders 4 two on the summit of isosceles triangle, and two summits on isosceles triangle base are positioned at the both sides of Rocker arm 5 01.
Should be understood that, when adopting two aforementioned connecting rods 73, can realize the technique effect of the utility model equally.At this moment, connecting rod 73 is distributed in the both sides of Rocker arm 5 01, and an end of connecting rod 73 is fixed on the hopper rear wall plate 601, and the other end is fixed on the junction plate 72, and second pull bar 302 is connected with junction plate 72.
Connecting rod 73 and junction plate 72 be through being threaded, and junction plate 72 and second pull bar 302 are through being threaded.Through being threaded, can realize distance and the fine setting of pretightning force between hopper and the water tank.
In addition, the utility model also provides a kind of concrete pump, and this concrete pump comprises aforesaid pumping mechanism.This concrete pump includes but not limited to concrete mixer, Vehicle loaded pump, drags pump, and its structure can be with reference to prior art, and this paper repeats no more at this.
In sum, the utility model connects second pull bar 302 and hopper rear wall plate 601 through link, can make full use of narrow and small X zone.Compared with prior art, the utlity model has following advantage:
1) compact in design
The two ends of the link of the utility model connect second pull bar 302 and hopper rear wall plate 601 respectively, can be less at the sectional area of hopper rear wall plate 601 1 side contiguous blocks 7, thus be convenient to the fixing of contiguous block 7; And can be bigger, thereby be convenient to the stable installation of second pull bar 302 at the sectional area of second pull bar, 302 1 side contiguous blocks 7.The utility model has been avoided second pull bar 302 is set directly at the inadequate defective in the space of bringing on the hopper rear wall plate 601, and integral layout is compact.
2) autgmentability is strong
After adopting the technical scheme of the utility model; When being applied to operating modes such as the relatively poor or super-pressure pumping of concrete performance; Can freely increase S valve shaft head, Rocker arm 5 01 size or pull bar diameter; The problem that can not produce second pull bar 302 and Rocker arm 5 01 bottom or carry cylinder 4 to interfere is convenient to pumping mechanism is changed a social system or expanded, and its autgmentability is strong.
3) versatility is good
When being applied to operating mode such as the relatively poor or super-pressure pumping of concrete performance, the utility model also can adopt general S valve, needn't increase the eccentric throw of S valve in order to increase the X zone, and its versatility is good.
In addition, the utility model also has the existing structure change little, is easy to advantages such as installing/dismounting.Therefore, the beneficial effect of the utility model is conspicuous.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (10)

1. pumping mechanism; Comprise water tank (2) and hopper (6) and be arranged at conveying cylinder (4) between the two, distributing valve is installed in the hopper (6), and hopper rear wall plate (601) is provided with the rocking equipment (5) that drives the distributing valve switching-over; Rocking equipment (5) comprises rocking arm (501); It is characterized in that said pumping mechanism also comprises the pull bar group (3) that is arranged between water tank (2) and the hopper (6), said pull bar group (3) comprising:
First pull bar (301), the two ends of said first pull bar (301) connect said water tank (2) and hopper rear wall plate (601) respectively;
Second pull bar (302) and link; One end of said second pull bar (302) is connected with said water tank (2); The other end is connected on the hopper rear wall plate (601) through said link, and said link is arranged in said rocking arm (501) and two and carries the formed space that is provided with of cylinder (4); At rocking equipment (5) when making rocking action, mutually noninterfere between rocking arm (501) and the link.
2. pumping mechanism according to claim 1; It is characterized in that; Said link is contiguous block (7); Contiguous block (7) is set to first concave surface (7a) towards the one side of said rocking arm (501), and when making rocking action, contiguous block (7) is through mutually noninterfere between first concave surface (7a) and the rocking arm (501) at rocking equipment (5).
3. pumping mechanism according to claim 2 is characterized in that, said contiguous block (7) is set to second concave surface (7b) towards the one side of said conveying cylinder (4).
4. pumping mechanism according to claim 3 is characterized in that, said contiguous block (7) comprises fixed connection portion (71), said second pull bar (302) be fixedly connected portion (71) and be fixedly connected.
5. pumping mechanism according to claim 1 is characterized in that, said link comprises two connecting rods (73) and a junction plate (72), and said connecting rod (73) is distributed in the both sides of rocking arm (501); One end of connecting rod (73) is fixed on the hopper rear wall plate (601), and the other end is fixed on the junction plate (72), and second pull bar (302) is connected with junction plate (72).
6. pumping mechanism according to claim 1; It is characterized in that; Said link comprises three connecting rods (73) and a junction plate (72); Said connecting rod (73) distribution triangular in shape is fixed on the hopper rear wall plate (601), and a leg-of-mutton wherein summit is positioned at two carries between the cylinder (4), and other two summits are positioned at the both sides of rocking arm (501); One end of connecting rod (73) is fixed on the hopper rear wall plate (601), and the other end is fixed on the junction plate (72), and second pull bar (302) is connected with junction plate (72).
7. pumping mechanism according to claim 6 is characterized in that, the triangle that three connecting rods (73) form is an isosceles triangle, and the summit of isosceles triangle is positioned at two carries between the cylinder (4), and two summits on isosceles triangle base are positioned at the both sides of rocking arm (501).
8. according to each described pumping mechanism of claim 1-4, it is characterized in that said contiguous block (7) and said second pull bar (302) are through being threaded.
9. according to each described pumping mechanism of claim 5-7, it is characterized in that said connecting rod (73) and junction plate (72) be through being threaded, said junction plate (72) and second pull bar (302) are through being threaded.
10. a concrete pump is characterized in that, said concrete pump comprises each described pumping mechanism of claim 1-9.
CN2011204487047U 2011-11-14 2011-11-14 Pumping mechanism and concrete pump Expired - Lifetime CN202370254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204487047U CN202370254U (en) 2011-11-14 2011-11-14 Pumping mechanism and concrete pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204487047U CN202370254U (en) 2011-11-14 2011-11-14 Pumping mechanism and concrete pump

Publications (1)

Publication Number Publication Date
CN202370254U true CN202370254U (en) 2012-08-08

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ID=46593961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204487047U Expired - Lifetime CN202370254U (en) 2011-11-14 2011-11-14 Pumping mechanism and concrete pump

Country Status (1)

Country Link
CN (1) CN202370254U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103470555A (en) * 2013-09-10 2013-12-25 三一汽车制造有限公司 Swing mechanism and concrete pumping device
CN110847612A (en) * 2018-08-20 2020-02-28 北汽福田汽车股份有限公司 Pumping system and engineering machinery with same
CN112879261A (en) * 2021-03-01 2021-06-01 胡兵 Concrete pump with ultrahigh lift

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103470555A (en) * 2013-09-10 2013-12-25 三一汽车制造有限公司 Swing mechanism and concrete pumping device
CN103470555B (en) * 2013-09-10 2017-04-05 三一汽车制造有限公司 A kind of wabbler mechanism and concrete pumping equipment
CN110847612A (en) * 2018-08-20 2020-02-28 北汽福田汽车股份有限公司 Pumping system and engineering machinery with same
CN112879261A (en) * 2021-03-01 2021-06-01 胡兵 Concrete pump with ultrahigh lift

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD.

Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD

Effective date: 20130502

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130502

Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city

Patentee after: SANY Automobile Manufacturing Co., Ltd.

Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city

Patentee before: Sanyi Heavy Industry Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20120808

CX01 Expiry of patent term