CN201486790U - Pumping mechanism capable of changing strokes and pump vehicle provided therewith - Google Patents
Pumping mechanism capable of changing strokes and pump vehicle provided therewith Download PDFInfo
- Publication number
- CN201486790U CN201486790U CN2009201728260U CN200920172826U CN201486790U CN 201486790 U CN201486790 U CN 201486790U CN 2009201728260 U CN2009201728260 U CN 2009201728260U CN 200920172826 U CN200920172826 U CN 200920172826U CN 201486790 U CN201486790 U CN 201486790U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- concrete
- pumping mechanism
- piston
- pumping
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
Disclosed are a pumping mechanism capable of changing strokes and a pump vehicle provided with the pumping mechanism, wherein the pump vehicle comprises a pump vehicle body and a pumping mechanism which is arranged on the pump vehicle body and can change strokes, the pumping mechanism comprises two concrete cylinders, a concrete piston arranged in each concrete cylinder, a water groove, two hydraulic cylinders, a hydraulic cylinder piston arranged in each hydraulic cylinder, and a concrete withdrawing hydraulic cylinder arranged on the tail portion of each hydraulic cylinder, and a control device for adjusting the stroke of the hydraulic cylinder piston stroke is arranged on each hydraulic cylinder. Since the pumping mechanism is provided with the control device for adjusting the stroke of the hydraulic cylinder piston on the hydraulic cylinder of the pumping mechanism, the pumping stroke of the pumping mechanism can be changed, the slump scope of pumping concrete is widened, the pumping efficiency is improved, and energy source is saved.
Description
Technical field
The utility model relates to a kind of concrete mixer, specifically, relates to the pumping mechanism and the pump truck that is provided with this pumping mechanism of a kind of route-variable on the concrete mixer.
Background technique
The pumping mechanism of concrete mixer adopts two reciprocal plunger cylinder structures that are arranged side by side as shown in Figure 1 mostly, concrete piston 2 is positioned at concrete cylinder 1, oil cylinder piston 8 is positioned at oil cylinder 7, concrete piston 2 is connected by half-watt 3 with piston rod 5, and half-watt 3 is positioned at tank 4, oil cylinder 7 is provided with one-way valve 6, stop valve 9, concrete oil cylinder 10 is moved back in oil cylinder 7 afterbody settings, be communicated with by connecting pipe 11 between two oil cylinders, when pressure oil when the A hydraulic fluid port enters, promote oil cylinder piston 8, drive piston rod 5 and concrete piston 2 left side suction concrete from concrete cylinder 1, rodless cavity pressure oil then flows to the D hydraulic fluid port of another oil cylinder by the B hydraulic fluid port, promote this in-oil cylinder oil cylinder piston, piston rod, the concrete piston is from the left side output concrete of concrete cylinder.When piston stroke reaches the limit of the position, contact reverser (figure part omitted), reverser sends signal, drives the hydraulic oil commutation, the oil-feed of C hydraulic fluid port, the A hydraulic fluid port is fuel-displaced.6 on one-way valve commutation buffer function wherein, is used when the F hydraulic fluid port moves back the concrete piston E.Above-mentioned structure is owing to adopt fixing stroke, in actual use, in order to prolong the concrete cylinder, the easily damaged parts life-spans such as piston, often adopt lengthening plunger case stroke, reduce the technological scheme of pumping number of times in the unit time, (but the slump is meant concrete workability to long stroke pumping system pumping low slump, workability is meant whether concrete is easy to constructing operation and performance uniformly densely, it is a very comprehensive performance, it comprises flowability, cohesive quality and water retention etc.) efficient is low during concrete, guaranteeing the concrete cylinder at equipment on the same stage at present, easily damaged partss such as piston are in the time of the life-span, can not guarantee the pumping efficiency of low-slump concrete simultaneously, that is to say easily damaged parts life-span and the contradiction between the adaptability of various concrete slumps can not finely be coordinated.
The model utility content
Technical problem to be solved in the utility model is at the pumping mechanism fixed journey system on the existing concrete pump truck, the easily damaged parts life-span and to the contradiction between the adaptability of various concrete slumps can not fine coordination problem, a kind of pumping mechanism of route-variable is provided, so that improve the pumping efficiency of low-slump concrete, thereby coordinate the easily damaged parts life-span well and to the contradiction between the adaptability of various concrete slumps.
In order to solve the problems of the technologies described above, the pumping mechanism of a kind of route-variable that the utility model provides, comprise two concrete cylinders, be arranged on concrete piston in each concrete cylinder, tank, two oil cylinders, be arranged on each in-oil cylinder oil cylinder piston, and be arranged on each oil cylinder afterbody move back the concrete oil cylinder, all be provided with a control gear of regulating the oil cylinder piston stroke on described each oil cylinder.
The pumping mechanism of above-mentioned route-variable, wherein, described control gear comprises at least two stop valves and at least two one-way valves that are arranged on the described oil cylinder rear, wherein each stop valve cooperates an one-way valve to form the LAP control valve.
The pumping mechanism of above-mentioned route-variable, wherein, described oil cylinder rear is provided with at least three hydraulic fluid ports, connects a described LAP control valve between wherein per two hydraulic fluid ports.
The pumping mechanism of above-mentioned route-variable, wherein, the described concrete oil cylinder that moves back is a multi-stage oil cylinder.
In order to solve the problems of the technologies described above better, the utility model also further provides a kind of concrete mixer, comprise pump truck body and the pumping mechanism that is arranged on the route-variable on the pump truck body, described pumping mechanism comprises two concrete cylinders, be arranged on concrete piston in each concrete cylinder, tank, two oil cylinders, be arranged on each in-oil cylinder oil cylinder piston, and be arranged on each oil cylinder afterbody move back the concrete oil cylinder, all be provided with a control gear of regulating the oil cylinder piston stroke on described each oil cylinder.
Above-mentioned concrete mixer, wherein, described control gear comprises at least two stop valves and at least two one-way valves that are arranged on the described oil cylinder rear, wherein each stop valve cooperates an one-way valve to form the LAP control valve.
Above-mentioned concrete mixer, wherein, described oil cylinder rear is provided with at least three hydraulic fluid ports, connects a described LAP control valve between wherein per two hydraulic fluid ports.
Above-mentioned concrete mixer, wherein, the described concrete oil cylinder that moves back is a multi-stage oil cylinder.
Beneficial functional of the present utility model is, the oil cylinder of the pumping mechanism of concrete mixer is provided with the control gear of regulating the oil cylinder piston stroke, thereby can change the pumping stroke of pumping mechanism, has enlarged the slump scope of pump concrete, improve pumping efficiency, saved the energy.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the structural drawing of the concrete pumping mechanism of prior art;
Fig. 2 is the structure diagram under the pumping mechanism normal state of route-variable of the present utility model;
Fig. 3 is the structure diagram after the pumping mechanism of route-variable of the present utility model shortens stroke.
Wherein, reference character
1 concrete cylinder, 2 concrete pistons
3 half-watts, 4 tanks
5 piston rods, 6 one-way valve V1, V2, V3, V4, V5, V6
7 oil cylinders, 8 pistons
9 stop valve G1, G2, G3, G4 10 move back the concrete oil cylinder
11 connecting pipes
A, B, C, D, E, F hydraulic fluid port
The L stroke
The changeable stroke of Δ L
Embodiment
Below in conjunction with the drawings and specific embodiments technical solutions of the utility model being described in detail, further understanding the purpose of this utility model, scheme and effect, but is not the restriction as the utility model claims protection domain.
Concrete mixer of the present utility model comprises pump truck body (not shown) and the pumping mechanism that is arranged on the pump truck body, the pumping mechanism of the preferred route-variable as shown in Figure 2 of pumping mechanism herein.
Consult the structure diagram under the pumping mechanism normal state of route-variable of Fig. 2 model utility, as shown in the figure, pumping mechanism of the present utility model, comprise two reciprocal plunger cylinder structures that are arranged side by side, each plunger case structure comprises a concrete cylinder 1, concrete piston 2, half-watt 3, tank 4, oil cylinder 7, piston rod 5, oil cylinder piston 8, and move back concrete oil cylinder 10, concrete piston 2 is positioned at concrete cylinder 1, oil cylinder piston 8 is positioned at oil cylinder 7, concrete piston 2 is connected by half-watt 3 with piston rod 5, and half-watt 3 is positioned at tank 4, move back concrete oil cylinder 10 and be positioned at the afterbody of oil cylinder 7, the concrete oil cylinder 10 that moves back herein is multi-stage oil cylinder, be communicated with by connecting pipe 11 between two oil cylinders, oil cylinder 7 is provided with a plurality of one-way valves 6, a plurality of stop valves 9, particularly, the front end of one oil cylinder is provided with a dashpot check valve V3, the front end of another oil cylinder is provided with a dashpot check valve V4, oil cylinder 7 is provided with the control gear of regulating the oil cylinder piston stroke, this oil cylinder piston stroke adjustment control gear comprises four stop valve G1 that are arranged on oil cylinder 7 rears, G2, G3, G4 and four one-way valve V1, V2, V5, V6, wherein each stop valve cooperates an one-way valve to form the LAP control valve, the rear of oil cylinder is provided with three hydraulic fluid ports, connects an above-mentioned LAP control valve between wherein per two hydraulic fluid ports.Certainly, the stop valve on each oil cylinder 7 rear and the number of one-way valve are not limited thereto, as long as be not less than two, the hydraulic fluid port on each oil cylinder 7 rear also is not limited to three, as long as be not less than three.
As shown in Figure 2, at L stroke pumping state, stop valve G1 and G2 are in open mode, G3 and G4 are in closed condition, pumping stroke is bigger than ordinary cylinder under this state, unit time pumping number of times is few, this moment the suitable high slump of pumping concrete the time, can prolong working life of easily damaged partss such as concrete cylinder, piston.As shown in Figure 3, at L-Δ L stroke pumping state, stop valve G1, G2, G3, G4 are in open mode at this moment, this state pumping stroke is littler than ordinary cylinder, the concrete of at this moment suitable pumping low slump, improve inhalation rate (it is high more to suck the few more inhalation rate of air) so that improve the pumping efficiency of low-slump concrete.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (8)
1. the pumping mechanism of a route-variable, comprise two concrete cylinders, be arranged on concrete piston in each concrete cylinder, tank, two oil cylinders, be arranged on each in-oil cylinder oil cylinder piston, and be arranged on each oil cylinder afterbody move back the concrete oil cylinder, it is characterized in that, all be provided with the control gear of an adjusting oil cylinder piston stroke on described each oil cylinder.
2. the pumping mechanism of route-variable according to claim 1, it is characterized in that, described control gear comprises at least two stop valves and at least two one-way valves that are arranged on the described oil cylinder rear, and wherein each stop valve cooperates an one-way valve to form the LAP control valve.
3. the pumping mechanism of route-variable according to claim 2 is characterized in that, described oil cylinder rear is provided with at least three hydraulic fluid ports, connects a described LAP control valve between wherein per two hydraulic fluid ports.
4. the pumping mechanism of route-variable according to claim 1 is characterized in that, the described concrete oil cylinder that moves back is a multi-stage oil cylinder.
5. concrete mixer, comprise pump truck body and the pumping mechanism that is arranged on the route-variable on the pump truck body, described pumping mechanism comprises two concrete cylinders, be arranged on concrete piston in each concrete cylinder, tank, two oil cylinders, be arranged on each in-oil cylinder oil cylinder piston, and be arranged on each oil cylinder afterbody move back the concrete oil cylinder, it is characterized in that, all be provided with the control gear of an adjusting oil cylinder piston stroke on described each oil cylinder.
6. concrete mixer according to claim 5, it is characterized in that, described control gear comprises at least two stop valves and at least two one-way valves that are arranged on the described oil cylinder rear, and wherein each stop valve cooperates an one-way valve to form the LAP control valve.
7. concrete mixer according to claim 6 is characterized in that, described oil cylinder rear is provided with at least three hydraulic fluid ports, connects a described LAP control valve between wherein per two hydraulic fluid ports.
8. concrete mixer according to claim 5 is characterized in that, the described concrete oil cylinder that moves back is a multi-stage oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201728260U CN201486790U (en) | 2009-08-10 | 2009-08-10 | Pumping mechanism capable of changing strokes and pump vehicle provided therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201728260U CN201486790U (en) | 2009-08-10 | 2009-08-10 | Pumping mechanism capable of changing strokes and pump vehicle provided therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201486790U true CN201486790U (en) | 2010-05-26 |
Family
ID=42425667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201728260U Expired - Fee Related CN201486790U (en) | 2009-08-10 | 2009-08-10 | Pumping mechanism capable of changing strokes and pump vehicle provided therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201486790U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113241A1 (en) * | 2010-03-16 | 2011-09-22 | 湖南三一智能控制设备有限公司 | Concrete pumping structure |
| CN102588377A (en) * | 2012-02-28 | 2012-07-18 | 三一重工股份有限公司 | Hydraulic cylinder, material pumping system and material pumping equipment |
| CN102927078A (en) * | 2012-10-31 | 2013-02-13 | 三一重工股份有限公司 | Hydraulic oil cylinder and pumping mechanism and engineering machinery comprising same |
| WO2013033915A1 (en) * | 2011-09-09 | 2013-03-14 | 长沙中联重工科技发展股份有限公司 | Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus |
| WO2014000389A1 (en) * | 2012-06-27 | 2014-01-03 | 中联重科股份有限公司 | Control method for pump stroke of twin-cylinder pump for viscous material and pumping device for same |
| WO2014000388A1 (en) * | 2012-06-27 | 2014-01-03 | 中联重科股份有限公司 | Pump stroke control method for twin-cylinder pump and pumping device |
| CN104564634A (en) * | 2014-11-20 | 2015-04-29 | 徐州徐工施维英机械有限公司 | Pumping frequency control method, pumping frequency control system and pumping equipment |
| CN105508329A (en) * | 2014-09-23 | 2016-04-20 | 中联重科股份有限公司 | Pumping hydraulic control system and concrete pumping equipment |
-
2009
- 2009-08-10 CN CN2009201728260U patent/CN201486790U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113241A1 (en) * | 2010-03-16 | 2011-09-22 | 湖南三一智能控制设备有限公司 | Concrete pumping structure |
| WO2013033915A1 (en) * | 2011-09-09 | 2013-03-14 | 长沙中联重工科技发展股份有限公司 | Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus |
| CN102588377A (en) * | 2012-02-28 | 2012-07-18 | 三一重工股份有限公司 | Hydraulic cylinder, material pumping system and material pumping equipment |
| CN102588377B (en) * | 2012-02-28 | 2015-12-09 | 三一汽车制造有限公司 | Hydraulic jack, material pumping system and material pumping device |
| WO2014000389A1 (en) * | 2012-06-27 | 2014-01-03 | 中联重科股份有限公司 | Control method for pump stroke of twin-cylinder pump for viscous material and pumping device for same |
| WO2014000388A1 (en) * | 2012-06-27 | 2014-01-03 | 中联重科股份有限公司 | Pump stroke control method for twin-cylinder pump and pumping device |
| CN102927078A (en) * | 2012-10-31 | 2013-02-13 | 三一重工股份有限公司 | Hydraulic oil cylinder and pumping mechanism and engineering machinery comprising same |
| CN105508329A (en) * | 2014-09-23 | 2016-04-20 | 中联重科股份有限公司 | Pumping hydraulic control system and concrete pumping equipment |
| CN105508329B (en) * | 2014-09-23 | 2017-08-25 | 中联重科股份有限公司 | Pumping hydraulic control system and concrete pumping equipment |
| CN104564634A (en) * | 2014-11-20 | 2015-04-29 | 徐州徐工施维英机械有限公司 | Pumping frequency control method, pumping frequency control system and pumping equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201486790U (en) | Pumping mechanism capable of changing strokes and pump vehicle provided therewith | |
| CN202064326U (en) | Synchronous split hydraulic hoist | |
| CN104988963A (en) | Hydraulic excavator movable arm potential energy recovery system | |
| CN103671316B (en) | Pumping hydraulic system and pumping equipment | |
| CN205639153U (en) | Supercharging device , hydraulic system and mechanical equipment | |
| CN103470473A (en) | Hydraulic gas vacuum pump | |
| CN103994042A (en) | Piston type hydraulic pump with crank connecting rod structure | |
| CN113649547A (en) | Die casting machine lock die sinking hydraulic system | |
| CN201047367Y (en) | Steel tube diameter enlarging machine duplex combined oil cylinder | |
| CN202031822U (en) | Integral-type concrete pump high-low-pressure switching device | |
| CN102536924A (en) | Single-hydraulic cylinder single-acting hydraulic system of supercharger | |
| CN216176521U (en) | Die casting machine lock die sinking hydraulic system | |
| CN108266413B (en) | Asymmetric electro-hydrostatic actuator based on pressure selection valve | |
| CN204041368U (en) | Adopt the piston type hydraulic pumps of brace and connecting rod framework | |
| CN201106596Y (en) | Hydraulic cylinder with leading sequence valve | |
| CN203926176U (en) | Integrated hydraulic hoists | |
| CN211259164U (en) | High-frequency response electro-hydraulic stamping system | |
| CN205012397U (en) | Hydraulic shovel swing arm potential energy recovery system | |
| CN210949338U (en) | Hydraulic pressure station for rubbish compression | |
| CN202326059U (en) | Double-acting pressurizing gas-liquid composite pump | |
| CN212272674U (en) | Double-valve-core full-hydraulic-control integrated pumping reversing system | |
| CN203098460U (en) | Sea water desalination energy recovery pressurization water cylinder | |
| CN203230657U (en) | Gas chamber cushioning chamber arranged on piston rod of hydraulic cylinder | |
| CN102410170B (en) | Double-acting supercharging gas-liquid combination pump | |
| CN202251167U (en) | Concrete transfer pump hydraulic system provided with full-hydraulic control two-pass cartridge valve system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIQI FUTIAN AUTOMOBILE CO., LTD. Free format text: FORMER OWNER: FOTON HEAVY MACHINERY CO., LTD. Effective date: 20100716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: FOTON HEAVY MACHINERY CO., LTD. Free format text: FORMER NAME: FOTON LOVOL INTERNATIONAL HEAVY INDUSTRIES CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100094 NO.1, FENGXIU MIDDLE ROAD, HAIDIAN DISTRICT, BEIJING CITY TO: 102206 SHAYANG ROAD, SHAHE TOWN, CHANGPING DISTRICT, BEIJING CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100094, No. 1, Feng Xiu Road, Beijing, Haidian District Patentee after: FOTON HEAVY MACHINERY Co.,Ltd. Address before: 100094, No. 1, Feng Xiu Road, Beijing, Haidian District Patentee before: FOTON LOVOL INT HEAVY IND Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100716 Address after: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: 100094, No. 1, Feng Xiu Road, Beijing, Haidian District Patentee before: FOTON HEAVY MACHINERY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20170810 |