WO2013139147A1 - 一种泵送系统的分配阀、泵送系统及工程机械 - Google Patents

一种泵送系统的分配阀、泵送系统及工程机械 Download PDF

Info

Publication number
WO2013139147A1
WO2013139147A1 PCT/CN2012/086102 CN2012086102W WO2013139147A1 WO 2013139147 A1 WO2013139147 A1 WO 2013139147A1 CN 2012086102 W CN2012086102 W CN 2012086102W WO 2013139147 A1 WO2013139147 A1 WO 2013139147A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
port
pumping system
distribution
cylinder
Prior art date
Application number
PCT/CN2012/086102
Other languages
English (en)
French (fr)
Inventor
高杨
蒋婷
刘云
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
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
Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2013139147A1 publication Critical patent/WO2013139147A1/zh

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • F04B53/1007—Ball valves having means for guiding the closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats

Definitions

  • This invention relates to dispensing valves and, more particularly, to a dispensing valve for a pumping system.
  • the invention also relates to a pumping system and a construction machine. Background technique
  • the butterfly valve shown in Fig. 1 is a general-purpose grouting pump distribution valve in the domestic and international markets, including a discharge cylinder 000, a valve body 100, a feed port 200, a feed cylinder 300 and a discharge port 400.
  • a discharge cylinder 000 When the pressurized oil enters the rodless chamber of the left main cylinder, the piston rod pushes the left side piston to discharge the grout in the delivery cylinder.
  • the left feed valve plug is under the action of the left feed cylinder 310, and the passage of the left transfer cylinder to the hopper is closed, and the left discharge valve plug is under the action of the left discharge cylinder 010, and the left is opened.
  • the side delivery cylinder opens into the passage of the discharge opening 400.
  • the grout discharged from the transfer cylinder is discharged to the discharge port 400 (connected to the transfer pipe).
  • the hydraulic oil enters the right main cylinder with a rod cavity so that the piston rod drives the right side piston to retract and sucks the grout, while the right discharge valve plug 021 is closed by the right discharge cylinder 020.
  • the right delivery cylinder opens into the passage of the discharge port, and the right feed valve plug 321 opens the passage of the right delivery cylinder to the hopper under the action of the right feed cylinder 320, and the grout in the hopper is sucked into the right Delivery cylinder.
  • the left main cylinder has no rod chamber hydraulic oil to push the hydraulic control reversing valve to realize automatic reversing.
  • the grout in the right transfer cylinder is then discharged to the discharge port 400, and the left transfer cylinder is sucked into the hopper to complete a working cycle.
  • the related art discloses a concrete pumping method and a concrete pumping device capable of realizing continuous discharging, and separately controlling the distribution valves of the left pumping cylinder and the right pumping cylinder through the control device, respectively, to make the left pumping cylinder and
  • the right pumping cylinder communicates with the pump outlet when pumping and discharging through the respective distribution valve or keeps communicating with the hopper during suction, and the left pumping cylinder of the left pumping cylinder and the right pumping cylinder of the right pumping cylinder
  • the pumping stroke time of any one of the pumping cylinders is greater than or equal to the sum of the suction stroke time of the other pumping cylinder and the reciprocating time of the dispensing valve.
  • the technology enables the concrete pumping device to achieve continuous discharge, improve the working efficiency of the concrete pumping device, thereby solving the impact problem caused by the intermittent discharge of the concrete pumping device, and prolonging the service life of the concrete pumping device and associated equipment.
  • this technique mainly focuses on improving the efficiency of the equipment by controlling the time, and does not involve the specific structure of the pumping device.
  • the two-cylinder viscous material pump includes a pair of delivery cylinders, a feed valve housing, a viscous material supply compartment, an output valve housing, a pair of feed valve regulators, a pair of output valve regulators, and a mounting bracket.
  • This technology reduces the construction height of the two-cylinder viscous material pump and improves the ease of maintenance due to the vertically overlapping configuration of the delivery cylinder and the feed valve and the output valve.
  • the related technology uses four cylinders to control four valve plugs to control suction and pumping, and has the defects of complicated structure, space occupation and high cost. Summary of the invention
  • the present invention provides a dispensing valve of a pumping system, which has a single structure and a small footprint.
  • the dispensing valve of the pumping system comprises a valve body, the valve body has a valve cavity, and a valve port, a b valve port and a c valve port communicating with the valve cavity are arranged on the valve body; a valve plug is disposed in the valve chamber, and the valve plug can alternately close the a valve port and the b valve port under the action of the driving mechanism; when the a valve port is closed, the b valve port With the c port In communication, when the b valve port is closed, the a valve port is in communication with the c valve port.
  • the driving mechanism is a cylinder mounted on the valve body, and a piston rod of the cylinder is fixedly connected to the valve plug through the a valve port.
  • the angle r between the axis of the piston rod and the axis of the delivery cylinder is zero.
  • the present invention also provides a pumping system comprising a delivery cylinder, a feed tube and a discharge tube, and a dispensing valve according to any one of the preceding claims, wherein the a valve port and the feed The tube is in communication, the b valve port is in communication with the discharge tube, and the c valve port is in communication with the delivery cylinder.
  • the pumping system includes two of the delivery cylinders and two of the distribution valves, each of the delivery cylinders being in communication with a c-valve of one of the distribution valves.
  • the feed pipe is a Y-shaped pipe, and two discharge ports of the feed pipe are respectively connected with a valve port of two of the distribution valves; and/or, the discharge pipe is Y-shaped The two feed ports of the discharge pipe are respectively communicated with the b valve ports of the two distribution valves.
  • the a valve port is located above the b valve port.
  • the present invention also provides a pumping system comprising a feed pipe, a discharge pipe and two transfer cylinders, further comprising a distribution valve according to any one of the above two aspects, wherein the two transfer cylinders are respectively a first delivery cylinder and a second delivery cylinder, wherein the two valve ports of the two distribution valves are in communication with the first delivery cylinder, and the two valve ports of the two distribution valves are in communication with the second delivery cylinder.
  • the c-ports of the two distribution valves are respectively in communication with the feed pipe and the discharge pipe.
  • two of the a valve ports are in communication with the first delivery cylinder through a Y-shaped tube; and/or two of the b-valve ports are in communication with the second delivery cylinder through a Y-shaped tube.
  • the a valve port of each of the distribution valves and the b valve port are located on the same horizontal plane.
  • the present invention includes two pumping systems for the dispensing valve, using two valve plugs
  • the purpose of sucking and pumping can be achieved, the structure is simple, the occupied space is small, the distribution performance is reliable, the cost is saved and the installation space can be saved, and two sets of driving mechanisms are respectively used to drive the two valve plugs respectively,
  • the control system is integrated, and the weight of the whole machine is reduced, which is easy to install and transport.
  • the valve body and the valve plug may include two or more sets that are integrally connected to realize pumping work of two or more transfer cylinders.
  • the invention also provides a construction machine comprising the pumping system of any of the above aspects.
  • FIG. 1 is a schematic view showing a dispensing valve of a pumping system in the prior art
  • FIG. 2 is a schematic view showing the structure of a dispensing valve of the pumping system in a first working state in the first embodiment of the present invention
  • Figure 3 is a schematic view showing the structure of the dispensing valve of the pumping system of Figure 2 in a second operating state
  • Figure 4 is a schematic view showing the structure of the above-mentioned dispensing valve body of the present invention.
  • Figure 5 is a view showing the structure of a pumping system to which the above-described dispensing valve is applied in the first embodiment of the present invention
  • Figure 6 is a view showing the structure of the dispensing valve of the pumping system in the first working state in the second embodiment of the present invention.
  • Figure 7 is a schematic view showing the structure of the dispensing valve of the pumping system of Figure 6 in a second operating state
  • Figure 8 is a view showing the configuration of a pumping system to which the above-described dispensing valve is applied in a second embodiment of the present invention
  • Figure 9 is a schematic view showing the pumping system of the third embodiment of the present invention in a first operating state
  • FIG 10 is a schematic view showing the pumping system of Figure 9 in a second operating state
  • Fig. 11 is a view showing the overall structure of the above pumping system.
  • Figure 2 is a schematic view showing the structure of the dispensing valve of the pumping system in the first working state in the first embodiment of the present invention
  • Figure 3 is a view showing the structure of the dispensing valve of the pumping system of Figure 2 in the second working state.
  • 4 is a schematic view showing the structure of the above-described dispensing valve body of the present invention
  • FIG. 5 is a view showing the structure of a pumping system to which the above-described dispensing valve is applied in the first embodiment of the present invention.
  • the dispensing valve of the pumping system comprises a valve body 1 having a valve chamber 7 on which a valve port 101, b communicating with the valve chamber 7 is disposed.
  • the b valve port 102 communicates with the c valve port (103), and when the b valve port 102 is closed, the a valve port (101) is The c-valve 103 is in communication.
  • the valve plug 2 closes the a valve port 101, and then the b port 102 and the c port 103 communicate, as shown in FIG. 2; In the state, the valve plug 2 closes the b-valve 102, and the a-valve port 101 and the c-valve port 103 communicate, as shown in FIG.
  • the distribution valve is used to alternately close the a valve port and the b valve port through a valve plug 2, so as to realize the alternate communication between the a valve port and the c valve port, and between the b valve port and the c valve port, the structure is single and occupied.
  • the space is small, the distribution performance is reliable, the cost is saved, the installation space is saved, the weight of the whole machine is reduced, and the installation and transportation are convenient.
  • valve port and the b port port in the above distribution valve are symbolic indications three
  • shape and arrangement of the two of the openings will be differently changed.
  • the drive mechanism may be a cylinder 8 which is mounted on the valve body 1 and the piston 4 of the cylinder 8 is fixedly connected to the valve plug 2 through a valve port 101.
  • the valve plug 2 is driven by the cylinder 8 and can be used with the pumping cylinder to use a common main oil circuit to facilitate the setting of the power source, and the control operation is convenient.
  • the above-mentioned driving mechanism may be a motor-driven gear or a rack structure, or a link mechanism driven by a cam, etc., and such a driving mechanism may be many, and the activation according to the present invention does not need to be performed by creative labor.
  • the cylinder 8 needs to drive the valve plug 2 to alternately close the a valve port 101 and the b valve port 102.
  • the a valve port 101 and the b port 102 are oppositely disposed, and the a valve port 101 and the b valve are The end faces of the ports 102 are arranged in parallel to ensure the tightness of the valve plug 2 and the two valve ports.
  • the present invention proposes a pumping system using the above-described dispensing valve, the pumping system comprising a dispensing valve, a delivery cylinder 3, a feed pipe 5 and a discharge pipe 6, wherein the distribution valve a valve port 101 is a feed port, b valve port 102 is a discharge port; a valve port 101 is connected to the feed pipe 5, b valve port 102 is connected to the discharge pipe 6, and c port 103 is connected to the transfer cylinder 3. .
  • the pumping system may include two delivery cylinders 3 and two distribution valves, as shown in FIG. 5, the pumping system includes a first delivery cylinder 301 and The second delivery cylinder 302, the two delivery cylinders are arranged in the same horizontal plane; the a valve ports 101 of the two distribution valves are all connected with the feed pipe 5, and the b valve ports 102 are connected to the discharge pipe 6 Connected, the c-ports 103 of the two distribution valves are respectively connected to the two delivery cylinders 3; each of the distribution valves uses a cylinder 8 to drive the corresponding valve plug 2 to operate.
  • the two distribution valves can be integrally formed.
  • two distribution valves can be integrally formed by casting to improve the overall mechanical performance of the distribution mechanism.
  • the two dispensing valves can also be separately formed and secured by, for example, bolting.
  • a flange 4 may be formed at the c-valve 103 of the distribution valve, and a stepped hole is provided in the flange 4, and the delivery cylinder 3 extends into the flange 4 and fits in the stepped hole The delivery rod is fixedly connected to the flange to fix the delivery cylinder.
  • the feed pipe 5 is a Y-shaped pipe, and the two discharge ports of the Y-shaped pipe are respectively connected with the a-valve port 101 of the two distribution valves; and/or, the discharge pipe 6 is a Y-shaped pipe.
  • the two feed ports of the Y-shaped tube are respectively in communication with the b-port 102 of the two distribution valves.
  • the feed tube 5 of the pumping system can be arranged as a Y-shaped tube, that is, two distribution valves are connected to the hopper through a Y-shaped tube, and two single-channel discharge tubes 6 are provided. They are respectively connected to two distribution valves, that is, the materials pumped by each distribution valve are sent to different construction sites through two discharge pipes.
  • Figure 6 is a schematic view showing the structure of the dispensing valve of the pumping system in the first working state in the second embodiment of the present invention
  • Figure 7 is a view showing the dispensing valve of the pumping system of Figure 6 in the second working state.
  • the c-ports 103 of the two distribution valves are respectively connected to the two delivery cylinders 3; each of the distribution valves uses a cylinder 8 to drive the corresponding valve plug 2 to operate.
  • the two distribution valves can be integrally formed.
  • two distribution valves can be integrally formed by casting to improve the overall mechanical performance of the distribution mechanism.
  • the two dispensing valves can also be separately formed and secured by, for example, bolting.
  • a flange 4 may be formed at the c-valve 103 of the distribution valve, and a stepped hole is provided in the flange 4, and the delivery cylinder 3 extends into the flange 4 and fits in the stepped hole The delivery rod is fixedly connected to the flange to fix the delivery cylinder.
  • the feed pipe 5 is a Y-shaped pipe, and the two discharge ports of the Y-shaped pipe are respectively connected with the a-valve port 101 of the two distribution valves; and/or, the discharge pipe 6 is a Y-shaped pipe.
  • the two feed ports of the Y-shaped tube are respectively in communication with the b-port 102 of the two distribution valves.
  • the feed tube 5 of the pumping system can be arranged as a Y-shaped tube, that is, two distribution valves are connected to the hopper through a Y-shaped tube, and two single-channel discharge tubes 6 are provided. They are respectively connected to two distribution valves, that is, the materials pumped by each distribution valve are sent to different construction sites through two discharge pipes.
  • Figure 6 is a schematic view showing the structure of the dispensing valve of the pumping system in the first working state in the second embodiment of the present invention
  • Figure 7 is a view showing the dispensing valve of the pumping system of Figure 6 in the second working state
  • FIG. 8 is a schematic view showing the structure of a pumping system to which the above-described dispensing valve is applied in the second embodiment of the present invention.
  • the angle r between the axis of the piston rod 13 and the axis of the delivery cylinder 3 in the distribution valve is zero.
  • ⁇ r ⁇ 90° for example, the angle can be set to 30°, 45°, that is, the dispensing valve can be tilted with the delivery cylinder 3.
  • the angle r between the axis of the piston rod 13 and the axis of the delivery cylinder 3 is zero. ⁇ r 90. .
  • the feed pipe 5 and the discharge pipe 6 are horizontally disposed, at which time the feed pipe 5 and the a port 101 are discharged.
  • Both the tube 6 and the b port 102 are bent by 90°; and when the angle r is less than 90°, the feeding tube 5 is bent more than 90.
  • the discharge pipe 6 has a bending width of less than 90.
  • the axis of the delivery cylinder 3 is no longer perpendicular to the axis of the piston rod 13, which requires the provision of an end transition valve chamber 105 on the valve body 1 for assembly with the delivery cylinder 3 and the conduit between the c-valve 103 and the delivery cylinder 3. Smooth.
  • the angle between the axis of the piston rod 13 and the axis of the delivery cylinder 3 is 90.
  • the assembly of the distribution valve and the delivery cylinder 3 is facilitated; the angle between the axis of the piston rod 13 and the axis of the delivery cylinder 3 is less than 90.
  • the material in the hopper can be smoothly entered into the corresponding conveying cylinder 3, which further improves the suction performance of the pumping system.
  • the pumping system alternately closes the a valve port and the b valve port through the oil cylinder 8 to realize the switching of the conveying cylinder under the state of suction and pumping, thereby realizing continuous pumping of materials.
  • the valve plug 2 closes the a valve port 101, the b port 102 and the c port 103 communicate, and the material in the first delivery cylinder 301 is from the c port.
  • 103 is pumped through the valve chamber and through the b-valve 102, the first delivery cylinder 301 performs a pumping action, as shown in FIG.
  • the valve plug 2 is in the cylinder 8 Under the action, the b valve port 102 is closed, the a valve port 101 and the c port 103 are in communication, and the material passes from the a valve port 101 through the valve chamber and passes through the c valve port 103 into the second transfer cylinder 302, and the second transfer cylinder 302 performs suction. action.
  • the pumping stroke is completed, the next pumping stroke is entered.
  • the pumping main system is reversed, thereby controlling the two pumping cylinders to switch the pumping state, and the first conveying cylinder 301 is switched from the pumping action to the sucking action.
  • the second transfer cylinder 302 is switched from the suction operation to the pump operation.
  • the valve plug 2 closes the b valve port 102, the a valve port 101 and the c valve port 103 communicate, and the material passes from the a valve port 101 through the valve cavity and After entering the first delivery cylinder 301 through the c-valve 103, the first delivery cylinder 301 performs a suction operation as shown in FIG.
  • the valve plug 2 closes the a-valve 101, b valve port 102 and c valve port 103 are in communication, the material in the second transfer cylinder 301 is pumped out from the c-valve port 103 through the valve chamber and through the b-valve port 102, and the second transfer cylinder 302 performs the pumping action.
  • each of the dispensing valves eliminates a valve plug 2 and a drive mechanism, which has a structural unit, reliable material distribution performance, and control to realize the process cartridge.
  • a valve port 101 is a feed port
  • b port 102 is a discharge port
  • c port 103 is in communication with a delivery cylinder
  • a valve port 101 is alternately closed by a valve plug 2 And the b port 102, the alternating distribution of the pump material and the suction material.
  • the structure of the above-mentioned distribution valve is adopted, and is applied to a pumping system including two delivery cylinders and two of the distribution valves, and a valve port 101 and b valve port of each distribution valve can also be provided.
  • 102 is in communication with two delivery cylinders respectively
  • a c-valve 103 of one distribution valve is connected to the feed pipe
  • a c-valve 103 of the other distribution valve is in communication with the discharge pipe.
  • Figure 9 is a schematic view showing the pumping system of the third embodiment of the present invention in a first operating state
  • Figure 10 is a schematic view showing the pumping system of Figure 9 in a second operating state
  • the pumping system provided by the present invention comprises a feeding pipe 5, a discharging pipe 6, two conveying cylinders 3 and two distribution valves, and the two conveying cylinders 3 are respectively the first conveying cylinder 301.
  • the second delivery cylinder 302, and the two delivery cylinders are arranged in the same horizontal plane, the a valve ports 101 of the two distribution valves are all in communication with the first delivery cylinder 301, and the b valve ports 102 of the two distribution valves are both connected to the second delivery
  • the cylinder 302 is in communication, wherein the c-port 103 of the first distribution valve located above communicates with the feed pipe 5, and the c-valve 103 of the second distribution valve located below communicates with the discharge pipe 6.
  • the two a-valve ports 101 communicate with the first delivery cylinder 301 through the Y-shaped tube; and/or, the two b-valve ports 102 communicate with the second delivery cylinder 302 through the Y-shaped tube.
  • the two delivery cylinders 3 are horizontally arranged, so that it is more reasonable that the a-valve port 101 and the b-valve port 102 of each distribution valve are located on the same horizontal surface, and accordingly, the cylinder levels of the two distribution valves are corresponding. Settings, as shown in Figure 9 and Figure 10.
  • the angle r between the axis of the piston rod 13 and the axis of the delivery cylinder 3 may be zero. ⁇ r 90. That is, the dispensing valve can be placed perpendicular to the delivery cylinder 3 or it can be tilted.
  • the pumping system comprising two horizontally arranged delivery cylinders and two distribution valves arranged one above the other, further comprising a first conduit 9, a second conduit 10, a feed conduit 5 and a discharge conduit 6 , wherein the a valve port 101 of the two distribution valves communicates with the first delivery cylinder 301 through the first conduit 9 , and the b valve port 102 of the two distribution valves communicates with the second delivery cylinder 302 through the second conduit 10 .
  • the c-ports 103 of the two distribution valves are respectively connected to the feed pipe 5 and the discharge pipe 6, wherein the first pipe 9 and the second pipe 10 are both Y-shaped pipes.
  • the feed pipe 5 and the discharge pipe 6 can also be branched into two paths by a Y-shaped pipe, and even can be branched into a plurality of paths by corresponding pipes, and these transformations are all within the scope of the present invention.
  • the conduit 9 and the second conduit 10 may be Y-shaped tubes for the purpose of communicating the two a-valve ports 101 with the first delivery cylinder 301 and the two b-valve ports 102 with the second delivery cylinder 302.
  • the above-mentioned distribution valve will be horizontally arranged. Since the bending is relatively large, the first pipe 9 and the second pipe 10 can be formed into two sections, and the two sections of the pipeline are connected by the pipe end flange, of course Can be made in one or two paragraphs.
  • the dispensing valve may be integrally formed, or may be separately formed and fixed by bolts or the like, and will not be described herein.
  • the pumping system of this embodiment is compared with the pumping system of the first two embodiments.
  • the valve plug of one of the dispensing valves controls the dispensing valve to perform the state switching of the suction and pumping materials, and
  • the valve plug in one of the dispensing valves can control the dispensing valve to draw to different delivery cylinders, and the valve plug in the other dispensing valve can control the dispensing valve to pump to different delivery cylinders.
  • the pumping system in this embodiment works as follows: When the pumping system is in the first working state shown in FIG. 9, the valve plug 2 of the first dispensing valve seals the a valve port 101, b The valve port 102 communicates with the c-valve 103, and the material passes through the valve cavity 103 through the valve cavity and enters the second delivery cylinder 302 through the b-valve 102.
  • the second delivery cylinder 302 performs the suction operation through the first distribution valve;
  • the valve plug 2 closes the valve port 102, and the valve port 101 communicates with the valve port 103.
  • the material in the first delivery cylinder 301 passes through the valve port 101 through the valve port 101.
  • the first delivery cylinder 301 performs a pumping action through the second dispensing valve.
  • the pumping main system is reversed, thereby controlling the two pumping cylinders to switch the pumping state, and the first conveying cylinder 301 is switched from the pumping action to the sucking action.
  • the second transfer cylinder 302 is switched from the suction operation to the pump operation.
  • the valve plug 2 of the first distribution valve closes the b valve port 102, the a valve port 101 communicates with the c valve port 103, and the material passes through the c-port 103 through the cavity and passes through a valve port 101 enters the first delivery cylinder 301, and the first delivery cylinder 301 performs a suction operation through the first distribution valve; at this time, the b valve port 102 of the second distribution valve is opened, and the valve plug 2 seals the a valve port 101 The b port 102 is in communication with the c port 103.
  • the material in the second transfer cylinder 302 is pumped out through the valve chamber through the valve port 102 and is pumped out through the c port 103.
  • the second transfer cylinder 302 is executed through the second distribution valve. Pump material action.
  • the above two conveying cylinders realize the continuous pumping effect of the materials by alternately sucking and pumping materials.
  • the two valve plugs can achieve the purpose of alternately sucking and pumping the two conveying cylinders, and the structure is simple, the distribution performance is reliable, the cost is saved, and the utility model can The installation space is saved, and two sets of drive mechanisms are used to drive the two valve plugs respectively, which greatly reduces the control system and reduces the weight of the whole machine.
  • the invention also provides a construction machine comprising the pumping system of any of the above aspects.
  • the construction machine can be a concrete pump or a grout pump.
  • the concrete pumping system provided by the present invention is applied to a construction machine to obtain an embodiment of the construction machine according to the present invention, and the construction machine accordingly has the above-mentioned advantageous effects.
  • the utility model provides a distribution valve, a pumping system and a construction machine of a pumping system, a structural unit single, a small occupied space, a reliable distribution performance, a cost saving and a saving installation space, and a greatly tubular control system. , the weight of the whole machine is reduced, and it is easy to install and transport. Therefore, the present invention has industrial applicability.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)

Abstract

一种泵送系统的分配阀，包括阀体（1），阀体具有阀腔（7），在阀体（1）上设置与阀腔（7）连通的a阀口（101）、b阀口（102）和c阀口（103）；在阀腔（7）内设置阀塞（2），在驱动机构的作用下阀塞（2）能够交替封闭a阀口（101）和b阀口（102）。一种包括两个该分配阀的泵送系统，采用两个阀塞就可以达到两个输送缸交替吸料和泵送的目的，其结构简单，分配性能可靠，节省成本而且能够节省安装空间，而且采用两套驱动机构来分别驱动两个阀塞，简化了控制系统，减轻了整机的重量。一种包括上述泵送系统的工程机械。

Description

一种泵送系统的分配岡、 泵送系统及工程 Wfe 本申请要求于 2012 年 3 月 23 日提交中国专利局、 申请号为 201210078515.4 、发明名称为"一种泵送系统的分配阀、 泵送系统及工程机 械"的中国专利申请的优先权， 其全部内容通过引用结合在本申请。 技术领域
本发明涉及分配阀， 更具体而言， 涉及一种泵送系统的分配阀。 本 发明还涉及一种泵送系统以及一种工程机械。 背景技术
图 1所示蝶阀是目前国内外市场上通用的注浆泵分配阀形式， 包括 出料油缸 000, 阀体 100, 进料口 200, 进料油缸 300和出料口 400。 当 压力油进入左主油缸无杆腔时， 活塞杆推动左侧砼活塞将输送缸中的注 浆排出。 此时左侧进料阀塞在左侧进料油缸 310的作用下， 封闭了左侧 输送缸通向料斗的通道， 左侧出料阀塞在左侧出料油缸 010的作用下， 打开左侧输送缸通向出料口 400的通道。 输送缸中排出的注浆被排向出 料口 400 (与输送管道相连） 。 与此同时， 液压油进入右侧主油缸有杆 腔使活塞杆带动右侧砼活塞缩回并吸入注浆， 而右侧出料阀塞 021在右 侧出料油缸 020的作用下， 封闭了右侧输送缸通向出料口的通道， 右侧 进料阀塞 321在右侧进料油缸 320的作用下， 打开了右侧输送缸通向料 斗的通道， 料斗里的注浆被吸入右输送缸。 当上述运动到达终点时， 左 侧主油缸无杆腔液压油推动液控换向阀， 实现自动换向。 于是右侧输送 缸中的注浆被排向出料口 400, 左侧输送缸吸入料斗中的注浆而完成一 个工作循环。
然而， 使用上述四个油缸分别控制四个阀塞， 结构复杂， 占用空间 而且成本较高。
相关技术中公开了一种可实现连续出料的混凝土泵送方法及混凝土 泵送装置， 通过控制装置对左泵送缸和右泵送缸的分配阀分别进行单独 控制， 使左泵送缸和右泵送缸通过各自的分配阀在泵送出料时与泵出口 连通或在吸料时与料斗保持连通， 且左泵送缸的左泵送油缸和右泵送缸 的右泵送油缸中任意一个泵送油缸的泵出行程时间大于或等于另外一个 泵送油缸的吸料行程时间与其分配阀往返换向时间之和。 该技术能够使 混凝土泵送装置实现连续出料， 提高混凝土泵送装置的工作效率， 从而 解决混凝土泵送装置间断出料所造成的沖击问题， 延长混凝土泵送装置 及配套设备使用寿命。 然而该技术主要着重于通过控制时间来提高设备 的工作效率， 没有涉及泵送装置的具体结构。
另一相关技术公开了一种两缸（两个输送缸） 式粘性物料泵。 该两 缸式粘性物料泵包括一对输送缸、一个进给阀壳，一个粘性物料供给舱， 一个输出阀壳， 一对进给阀调节器， 一对输出阀调节器及安装架等。 该 技术由于将输送缸， 进给阀和输出阀驱动汽缸垂直重叠配置， 因此可以 降低两缸粘性物料泵的构造高度并提高维修的筒易度。 本相关技术采用 四个油缸分别控制四个阀塞来控制吸料与泵送， 同样具有结构复杂， 占 用空间而且成本较高的缺陷。 发明内容
为了解决上述技术问题至少之一， 本发明提供了一种泵送系统的分 配阀， 其结构筒单， 占用空间小。
本发明提供的泵送系统的分配阀， 包括阀体， 所述阀体具有阀腔， 在所述阀体上设置与所述阀腔连通的 a阀口、 b阀口和 c阀口； 在所述 阀腔内设置一个阀塞， 在驱动机构的作用下所述阀塞能够交替封闭所述 a阀口和所述 b阀口； 当所述 a阀口被封闭时， 所述 b阀口与所述 c阀口 相连通， 当所述 b阀口被封闭时， 所述 a阀口与所述 c阀口相连通。
优选地， 所述驱动机构为安装在所述阀体上的油缸， 所述油缸的活 塞杆穿过所述 a阀口与所述阀塞固定连接。
优选地，所述活塞杆的轴线与所述输送缸的轴线之间的夹角 r为 0。
< r < 90° 。
本发明还提供了一种泵送系统， 包括输送缸、 进料管和出料管， 还 包括上述技术方案中任一项所述的分配阀， 其中， 所述 a阀口与所述进 料管连通， 所述 b阀口与所述出料管连通， 所述 c阀口与所述输送缸连 通。
优选地， 所述泵送系统包括两个所述输送缸和两个所述分配阀， 每 个所述输送缸分别与一个所述分配阀的 c阀口连通。
优选地， 所述进料管为 Y形管， 所述进料管的两个出料口分别与两 个所述分配阀的 a阀口连通； 和 /或， 所述出料管为 Y形管， 所述出料管 的两个进料口分别与两个所述分配阀的 b阀口连通。
优选地， 所述 a阀口位于所述 b阀口的上方。
本发明还提供了一种泵送系统， 包括进料管、 出料管和两个输送缸， 还包括两个上述技术方案中任一项所述的分配阀， 两个所述输送缸分别 为第一输送缸和第二输送缸， 两个所述分配阀的 a阀口均与所述第一输 送缸连通， 两个所述分配阀的 b阀口均与所述第二输送缸连通， 两个所 述分配阀的 c阀口分别与所述进料管、 所述出料管连通。
优选地， 两个所述 a阀口通过 Y形管与所述第一输送缸连通； 和 / 或， 两个所述 b阀口通过 Y形管与所述第二输送缸连通。
优选地， 每个所述分配阀的所述 a阀口与所述 b阀口均位于同一水 平面上。
综上所述， 本发明中包括两个该分配阀的泵送系统， 采用两个阀塞 就可以达到吸料和泵送的目的， 其结构筒单， 占用空间小， 分配性能可 靠， 节省成本而且能够节省安装空间， 而且采用两套驱动机构来分别驱 动两个所述阀塞， 极大的筒化了控制系统， 而且减轻了整机的重量， 便 于安装和运输。 上述分配阀中， 所述阀体和所述阀塞可以包括连接成一 体的两套或两套以上， 实现两个或两个以上输送缸的泵送工作。
本发明还提供了一种工程机械， 包括上述技术方案中任一项所述的 泵送系统。 附图说明
图 1示出了现有技术中的一种泵送系统的分配阀的示意图； 图 2示出了本发明第一实施例中泵送系统的分配阀在第一工作状态 下的结构示意图；
图 3示出了图 2中泵送系统的分配阀在第二工作状态下的结构示意 图；
图 4示出了本发明上述分配阀阀体的结构示意图；
图 5示出了本发明第一实施例中应用上述分配阀的泵送系统的结构 示意图；
图 6示出了本发明第二实施例中泵送系统的分配阀在第一工作状态 下的结构示意图；
图 7示出了图 6中泵送系统的分配阀在第二工作状态下的结构示意 图；
图 8示出了本发明第二实施例中应用上述分配阀的泵送系统的结构 示意图；
图 9示出了本发明第三实施例的泵送系统在第一工作状态下的示意 图；
图 10示出了图 9所示的泵送系统在第二工作状态下的示意图； 图 11示出了上述泵送系统的总体结构示意图。 具体实施方式 下面结合附图说明本发明的具体实施方式。 在下面的描述中阐述了 很多具体细节以便于充分理解本发明， 但是， 本发明还可以采用其他不 同于在此描述的其他方式来实施， 因此， 本发明并不限于下面公开的具 体实施例的限制。
图 2示出了本发明第一实施例中泵送系统的分配阀在第一工作状态 下的结构示意图； 图 3示出了图 2中泵送系统的分配阀在第二工作状态 下的结构示意图； 图 4示出了本发明上述分配阀阀体的结构示意图； 图 5 示出了本发明第一实施例中应用上述分配阀的泵送系统的结构示意 图。
如图 2至图 4所示， 本发明提供的泵送系统的分配阀包括阀体 1 , 阀体 1具有阀腔 7 , 在阀体 1上设置与阀腔 7连通的 a阀口 101、 b阀口 102和 c阀口 103 ; 在阀腔 7内设置一个阀塞 2, 在驱动机构的作用下阀 塞 2能够交替封闭 a阀口 101和 b阀口 102。当所述 a阀口 101被封闭时， 所述 b阀口 102与所述 c阀口（ 103 )相连通， 当所述 b阀口 102被封闭时， 所述 a阀口 （ 101 ) 与所述 c阀口 103相连通。
在该分配阀执行物料分配的过程中， 在一种工作状态下， 阀塞 2封 闭 a阀口 101 , 则 b阀口 102和 c阀口 103连通， 如图 2所示； 在另一 种工作状态下， 阀塞 2封闭 b阀口 102 , 则 a阀口 101和 c阀口 103连 通， 如图 3所示。 采用该分配阀， 通过一个阀塞 2交替闭合 a阀口和 b 阀口， 实现 a阀口与 c阀口之间、 b阀口与 c阀口之间的交替连通， 其 结构筒单， 占用空间小， 分配性能可靠， 节省了成本而且能够节省安装 空间而且减轻了整机的重量， 便于安装和运输。
需要说明的是， 上述分配阀中 a阀口和 b阀口是象征性的指示三个 开口中的两个， 其形状和布置方式显而易见的会有不同的变换， 这些变 换需要依据与阀体 1配合的其它结构确定， 或者依据阀体 1的应用情况 确定， 但这些变换都没有超出本发明的构思。
在一种具体实施例中， 驱动机构可以为油缸 8 , 油缸 8安装在阀体 1 上， 油缸 8的活塞 4干 13穿过 a阀口 101与阀塞 2固定连接。 阀塞 2通过 油缸 8驱动， 可以与泵送油缸使用共同的主油路， 便于动力源的设置， 其控制操作方便。 上述驱动机构可以是电机带动齿轮或齿条结构， 或者 凸轮驱动下的连杆机构等， 这种驱动机构可以有艮多， 根据本发明的启 示即无需再通过创造性劳动即可实现。
在该分配阀中， 油缸 8需要驱动阀塞 2交替封闭 a阀口 101和 b阀 口 102, 在具体设计时， a阀口 101和 b阀口 102相对设置， 并且 a阀口 101和 b阀口 102的端面平行布置， 以确保阀塞 2与两个阀口的密封性 h
匕。
在上述实施例中， 活塞杆 13的轴线与输送缸 3的轴线之间的夹角 r 为 0。 < r 90。 ， 也就是说， 分配阀可以与输送缸 3垂直设置， 也可以 倾斜设置。 如图 2至图 3所示的分配阀中， 活塞杆 13的轴线与输送缸 3 的轴线之间的夹角 r=90。 。
在上述分配阀的基础上， 本发明提出了一种应用上述分配阀的泵送 系统， 该泵送系统包括分配阀、 输送缸 3、 进料管 5和出料管 6, 其中， 该分配阀的 a阀口 101为进料口， b阀口 102为出料口； a阀口 101与进 料管 5连通， b阀口 102与出料管 6连通， c阀口 103与输送缸 3连通。
在具体应用过程中， 为了实现对物料的连续泵送效果， 上述泵送系 统可以包括两个输送缸 3和两个分配阀， 如图 5所示， 该泵送系统包括 第一输送缸 301和第二输送缸 302, 两个输送缸布置在同一水平面内； 两个分配阀的 a阀口 101均与进料管 5连接， b阀口 102均与出料管 6 连接， 两个分配阀的 c阀口 103分别与两个输送缸 3连接； 每个分配阀 中均采用一个油缸 8驱动相应的阀塞 2动作。
该泵送系统中， 两个分配阀采用图 2和图 3所示， 活塞杆 13的轴线 与输送缸 3的轴线之间的夹角 r=90。 ， 即活塞杆 13与输送缸垂直设置； 并且， 设置 a阀口 101位于 b阀口 102的上方， 这样， 该泵送系统从分 配阀的上方进料， 并从分配阀的下方出料， 油缸 8位于分配阀的上方， 便于提高吸料性能， 节省了占用空间， 并使得泵送系统的结构更加紧凑。
采用两个分配阀的泵送系统中， 两个分配阀可以一体成型， 例如可 以采用铸造方式一体成型两个分配阀， 提高分配机构的整体受力性能。 两个分配阀还可以单独成型， 并采用例如螺栓连接方式进行固定。
在输送缸与分配阀的装配过程中， 可以在分配阀的 c阀口 103处形 成法兰 4, 并在法兰 4上设置台阶孔， 输送缸 3伸入法兰 4并配合在台 阶孔中， 输送缸拉杆与法兰固定连接， 以实现输送缸的固定。
上述泵送系统中， 进料管 5为 Y形管， 该 Y形管的两个出料口分别 与两个分配阀的 a阀口 101连通； 和 /或， 出料管 6为 Y形管， 该 Y形 管的两个进料口分别与两个分配阀的 b阀口 102连通。 采用了上述技术 方案， 进料管 5和 /或出料管 6合并成一个通道， 可以适用于单进料管路 和 /或单出料管路的混凝土泵送系统， 扩展了混凝土泵送系统的使用范 围。
例如， 在一种优选实施例中， 可以设置该泵送系统中进料管 5为 Y 形管， 即两个分配阀通过 Y形管与料斗连接， 并设置两个单通道的出料 管 6分别与两个分配阀连接， 即每个分配阀泵送出来的物料通过两个出 料管输送至不同的施工地点。
图 6示出了本发明第二实施例中泵送系统的分配阀在第一工作状态 下的结构示意图； 图 7示出了图 6中泵送系统的分配阀在第二工作状态 连接， 两个分配阀的 c阀口 103分别与两个输送缸 3连接； 每个分配阀 中均采用一个油缸 8驱动相应的阀塞 2动作。
该泵送系统中， 两个分配阀采用图 2和图 3所示， 活塞杆 13的轴线 与输送缸 3的轴线之间的夹角 r=90。 ， 即活塞杆 13与输送缸垂直设置； 并且， 设置 a阀口 101位于 b阀口 102的上方， 这样， 该泵送系统从分 配阀的上方进料， 并从分配阀的下方出料， 油缸 8位于分配阀的上方， 便于提高吸料性能， 节省了占用空间， 并使得泵送系统的结构更加紧凑。
采用两个分配阀的泵送系统中， 两个分配阀可以一体成型， 例如可 以采用铸造方式一体成型两个分配阀， 提高分配机构的整体受力性能。 两个分配阀还可以单独成型， 并采用例如螺栓连接方式进行固定。
在输送缸与分配阀的装配过程中， 可以在分配阀的 c阀口 103处形 成法兰 4, 并在法兰 4上设置台阶孔， 输送缸 3伸入法兰 4并配合在台 阶孔中， 输送缸拉杆与法兰固定连接， 以实现输送缸的固定。
上述泵送系统中， 进料管 5为 Y形管， 该 Y形管的两个出料口分别 与两个分配阀的 a阀口 101连通； 和 /或， 出料管 6为 Y形管， 该 Y形 管的两个进料口分别与两个分配阀的 b阀口 102连通。 采用了上述技术 方案， 进料管 5和 /或出料管 6合并成一个通道， 可以适用于单进料管路 和 /或单出料管路的混凝土泵送系统， 扩展了混凝土泵送系统的使用范 围。
例如， 在一种优选实施例中， 可以设置该泵送系统中进料管 5为 Y 形管， 即两个分配阀通过 Y形管与料斗连接， 并设置两个单通道的出料 管 6分别与两个分配阀连接， 即每个分配阀泵送出来的物料通过两个出 料管输送至不同的施工地点。
图 6示出了本发明第二实施例中泵送系统的分配阀在第一工作状态 下的结构示意图； 图 7示出了图 6中泵送系统的分配阀在第二工作状态 下的结构示意图； 图 8示出了本发明第二实施例中应用上述分配阀的泵 送系统的结构示意图。
如图 6和图 7所示，该分配阀中活塞杆 13的轴线与输送缸 3的轴线 之间的夹角 r为 0。 < r < 90° , 例如， 可以设置该角度为 30° 、 45° , 也就是说， 分配阀可以与输送缸 3倾斜设置。
在上述分配阀的机构中，活塞杆 13的轴线与输送缸 3的轴线之间的 夹角 r为 0。 < r 90。 。 当活塞杆 13的轴线与输送缸 3的轴线之间的夹 角 r为 90° 时， 进料管 5和出料管 6水平设置， 此时进料管 5与 a阀口 101处、 出料管 6与 b阀口 102处均折弯 90° ； 而当夹角 r小于 90° 时， 进料管 5的折弯幅度大于 90。 ， 出料管 6的折弯幅度小于 90。 ， 输送缸 3的轴线与活塞杆 13的轴线不再垂直， 这就需要在阀体 1上设置一端过 渡阀腔 105以便与输送缸 3装配后 c阀口 103与输送缸 3之间的管路顺 畅。采用了上述技术方案， 活塞杆 13的轴线与输送缸 3的轴线之间的夹 角为 90。 ，便于分配阀与输送缸 3的装配； 活塞杆 13的轴线与输送缸 3 的轴线之间的夹角小于 90。 ， 可以使料斗内的物料更顺畅地进入相应的 输送缸 3中， 更进一步地提高了泵送系统的吸料性能。
上述泵送系统在工作状态下，通过油缸 8交替封闭 a阀口和 b阀口， 实现输送缸在吸料和泵料状态下的切换， 从而实现物料的连续泵送。
在一种状态下， 与第一输送缸 301连接的分配阀中， 阀塞 2封闭 a 阀口 101 , b阀口 102和 c阀口 103连通， 第一输送缸 301中的物料从 c 阀口 103通过阀腔并经过 b阀口 102泵出， 第一输送缸 301执行泵料动 作， 如图 2所示； 同时， 与第二输送缸 302连接的分配阀中， 阀塞 2在 油缸 8的作用下封闭 b阀口 102, a阀口 101和 c阀口 103连通， 物料从 a阀口 101通过阀腔并经过 c阀口 103进入第二输送缸 302中， 第二输 送缸 302执行吸料动作。 在完成该泵送行程时进入下一个泵送行程， 此时， 泵送主系统换向， 从而控制两个输送缸切换泵送状态， 第一输送缸 301由泵料动作切换为 吸料动作， 第二输送缸 302由吸料动作切换为泵料动作。
在另一种工作状态下， 与第一输送缸 301连接的分配阀中， 阀塞 2 封闭 b阀口 102, a阀口 101和 c阀口 103连通， 物料从 a阀口 101通过 阀腔并经过 c阀口 103进入第一输送缸 301中， 第一输送缸 301执行吸 料动作， 如图 3所示； 同时， 与第二输送缸 302连接的分配阀中， 阀塞 2封闭 a阀口 101 , b阀口 102和 c阀口 103连通， 第二输送缸 301中的 物料从 c阀口 103通过阀腔并经过 b阀口 102泵出， 第二输送缸 302执 行泵料动作。
上述两个输送缸通过交替吸料和泵料， 实现了物料连续泵送效果。 在该泵送系统中， 采用两个分配阀， 每个分配阀中设置一个阀塞 2 控制进料口和出料口的开闭，可实现至少两个输送缸 3的泵送分配工作， a阀口与进料管 5连接， b阀口与出料管 6连接， 以及 c阀口与输送缸 3 连接， 就实现了用一个阀塞 2控制一个输送缸 3的进料和出料。 相对于 现有技术，每个分配阀省去了一个阀塞 2和一个驱动机构， 其结构筒单， 物料分配性能可靠， 并且控制实现过程筒单。
在上述泵送系统的实施例中， 分配阀中 a阀口 101为进料口， b阀 口 102为出料口， c阀口 103与输送缸连通， 通过阀塞 2交替封闭 a阀 口 101和 b阀口 102, 进行泵料和吸料的交替分配。
在实际应用过程中， 采用上述分配阀的结构， 并应用在包括两个输 送缸和两个所述分配阀的泵送系统中， 还可以设置每个分配阀的 a阀口 101 , b阀口 102分别与两个输送缸连通， 一个分配阀的 c阀口 103与进 料管连接， 另一个分配阀的 c阀口 103与出料管连通。 下面通过具体的 实施例对该泵送系统的技术方案进行详细说明。 图 9示出了本发明第三实施例的泵送系统在第一工作状态下的示意 图； 图 10示出了图 9所示的泵送系统在第二工作状态下的示意图； 图 11示出了上述泵送系统的总体结构示意图。
如图 9至图 11所示， 本发明提供的泵送系统包括进料管 5、 出料管 6、 两个输送缸 3 和两个分配阀， 两个输送缸 3分别为第一输送缸 301 和第二输送缸 302 , 并且两个输送缸布置在同一水平面内， 两个分配阀 的 a阀口 101均与第一输送缸 301连通， 两个分配阀的 b阀口 102均与 第二输送缸 302连通， 其中位于上方的第一分配阀的 c阀口 103与进料 管 5连通， 位于下方的第二分配阀的 c阀口 103与出料管 6连通。
在具体设计时，两个 a阀口 101通过 Y形管与第一输送缸 301连通； 和 /或， 两个 b阀口 102通过 Y形管与第二输送缸 302连通。在该实施例 中， 两个输送缸 3是水平布置的， 所以每个分配阀的 a阀口 101与 b阀 口 102均位于同一水平面上更为合理， 相应的， 两个分配阀的油缸水平 设置， 如图 9和图 10所示。
参考上述分配阀的结构，活塞杆 13的轴线与输送缸 3的轴线之间的 夹角 r可以为 0。 < r 90。 ， 也就是说， 分配阀可以与输送缸 3垂直设 置， 也可以倾斜设置。
在该泵送系统的具体实施例中， 包括水平布置的两个输送缸和上下 布置的两个分配阀， 还包括第一管路 9、 第二管路 10、 进料管 5以及出 料管 6 , 其中， 两个分配阀的 a阀口 101通过第一管路 9与第一输送缸 301连通， 两个分配阀的 b阀口 102通过第二管路 10与第二输送缸 302 连通， 以及两个分配阀的 c阀口 103分别与进料管 5和出料管 6连通， 其中， 第一管路 9与第二管路 10均为 Y形管。 显而易见地， 进料管 5 和出料管 6也可以通过 Y形管分支成两路， 甚至还可以通过相应的管路 分支成多路， 这些变换均应在本发明的保护范围之内。 这里所说的第一 管路 9和第二管路 10可以为 Y形管， 目的是将两个 a阀口 101与第一 输送缸 301连通， 将两个 b阀口 102与第二输送缸 302连通。 本实施例 中是将将上述分配阀水平布置的， 由于折弯比较多， 第一管路 9和第二 管路 10可以做成两段， 两段管路通过管端法兰连接， 当然也可以做成一 段或两段以上。
本实施例中分配阀可以做成一体成型， 也可分别成型并通过螺栓等 方式进行固定， 在此不再赘述。
该实施例的泵送系统与前两个实施例中泵送系统相比较， 前两个实 施例中， 一个分配阀中的阀塞可控制该分配阀进行吸料和泵料的状态切 换， 而本实施例中， 一个分配阀中的阀塞可以控制该分配阀向不同的输 送缸吸料， 另一个分配阀中的阀塞可以控制该分配阀向不同的输送缸泵 料。
基于上述技术方案， 本实施例中的泵送系统的工作方式如下： 当泵送系统处于图 9所示的第一工作状态时， 第一分配阀的阀塞 2 封住 a阀口 101 , b阀口 102与 c阀口 103连通， 物料由 c阀口 103通过 阀腔并通过 b阀口 102进入第二输送缸 302中， 第二输送缸 302通过第 一分配阀执行吸料动作； 而此时第二分配阀的 a阀口 101打开， 阀塞 2 封住 b阀口 102 , a阀口 101与 c阀口 103连通， 第一输送缸 301中的物 料由 a阀口 101通过阀腔并通过 c阀口 103向外泵出， 第一输送缸 301 通过第二分配阀执行泵料动作。
在完成该泵送行程时进入下一个泵送行程， 此时， 泵送主系统换向， 从而控制两个输送缸切换泵送状态， 第一输送缸 301由泵料动作切换为 吸料动作， 第二输送缸 302由吸料动作切换为泵料动作。
在另一工作状态下， 如图 10所示， 第一分配阀的阀塞 2封住 b阀口 102, a阀口 101与 c阀口 103连通， 物料由 c阀口 103通过阔腔并通过 a阀口 101进入第一输送缸 301 中， 第一输送缸 301通过第一分配阀执 行吸料动作； 而此时第二分配阀的 b阀口 102打开， 阀塞 2封住 a阀口 101 , b阀口 102与 c阀口 103连通， 第二输送缸 302中的物料由 b阀口 102通过阀腔并通过 c阀口 103向外泵出， 第二输送缸 302通过第二分 配阀执行泵料动作。
上述两个输送缸通过交替吸料和泵料， 实现了物料连续泵送效果。 通过本发明提出的包括两个分配阀的泵送系统中， 采用两个阀塞就 可以达到两个输送缸交替吸料和泵送的目的， 其结构筒单， 分配性能可 靠， 节省成本而且能够节省安装空间， 而且采用两套驱动机构来分别驱 动两个阀塞， 极大的筒化了控制系统， 而且减轻了整机的重量。
本发明还提供了一种工程机械， 包括上述技术方案中任一项所述的 泵送系统。 该工程机械可以为混凝土泵， 或者为注浆泵。
将本发明提供的混凝土泵送系统应用于工程机械， 即可获得本发明 所述工程机械的实施例， 所述工程机械相应地具有上述有益效果。
以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对 于本领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明 的精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在 本发明的保护范围之内。 工业实用性
本发明提供的一种泵送系统的分配阀、 泵送系统及工程机械， 结构 筒单， 占用空间小， 分配性能可靠， 节省成本而且能够节省安装空间， 而且， 极大的筒化了控制系统， 减轻了整机的重量， 便于安装和运输。 因此， 本发明具有工业实用性。

Claims

权利要求书
1. 一种泵送系统的分配阀， 包括阀体（1 ) , 所述阀体（1 )具有阀 腔（7) , 其特征在于， 在所述阀体（ 1 )上设置与所述阀腔（7)连通的 a阀口 （ 101 ) 、 b阀口 （ 102 )和 c阀口 （ 103 ) ； 在所述阀腔（ 7 ) 内设 置一个阀塞 （2) , 在驱动机构的作用下所述阀塞 （2) 能够交替封闭所 述 a阀口 （ 101 )和所述 b阀口 （ 102 ) ； 当所述 a阀口 （ 101 )被封闭时， 所述 b阀口 （ 102 )与所述 c阀口 （ 103 )相连通， 当所述 b阀口 （ 102 )被 封闭时， 所述 a阀口 （ 101 ) 与所述 c阀口 （ 103 )相连通。
2. 根据权利要求 1所述泵送系统的分配阀， 其特征在于， 所述驱动 机构为安装在所述阀体（ 1 )上的油缸（8) ,所述油缸（8)的活塞杆（ 13) 穿过所述 a阀口 （ 101 ) 与所述阀塞 （2) 固定连接。
3. 根据权利要求 2所述泵送系统的分配阀， 其特征在于， 所述活塞 杆 （13) 的轴线与所述输送缸 （3) 的轴线之间的夹角 （r) 为 0。 <r< 90。 。
4. 一种泵送系统， 包括输送缸（3) 、 进料管 （5)和出料管 （6) , 其特征在于， 还包括如权利要求 1至 3中任一项所述的分配阀， 其中， 所述 a阀口 （ 101 )与所述进料管 （ 5 )连通， 所述 b阀口 （102)与所述 出料管 （6) 连通， 所述 c阀口 （103) 与所述输送缸 （3) 连通。
5. 根据权利要求 4所述的泵送系统， 其特征在于， 所述泵送系统包 括两个所述输送缸（3) 和两个所述分配阀， 每个所述输送缸 （3) 分别 与一个所述分配阀的 c阀口 （ 103 ) 连通。
6. 根据权利要求 5所述的泵送系统， 其特征在于， 所述进料管（5) 为 Y 形管， 所述进料管 （5) 的两个出料口分别与两个所述分配阀的 a 阀口 （101 )连通； 和 /或， 所述出料管 （6)为 Y形管， 所述出料管 （6) 的两个进料口分别与两个所述分配阀的 b阀口 （ 102 ) 连通。
7. 根据权利要求 4至 6任一项所述的泵送系统， 其特征在于， 所述 a阀口 （ 101 )位于所述 b阀口 （ 102 ) 的上方。
8. 一种泵送系统， 包括进料管（5)、 出料管（6)和两个输送缸（3) , 其特征在于， 还包括两个如权利要求 1至 3中任一项所述的分配阀， 两 个所述输送缸（3)分别为第一输送缸（301 )和第二输送缸（ 302 ) , 两 个所述分配阀的 a阀口 （ 101 ) 均与所述第一输送缸（ 301 ) 连通， 两个 所述分配阀的 b阀口 （102) 均与所述第二输送缸 （ 302 ) 连通， 两个所 述分配阀的 c阀口 （ 103)分别与所述进料管 （5) 、 所述出料管 （6)连 通。
9. 根据权利要求 8所述的泵送系统， 其特征在于， 两个所述 a阀口
( 101 )通过 Y形管与所述第一输送缸（301 )连通； 和 /或， 两个所述 b 阀口 （ 102)通过 Y形管与所述第二输送缸 （ 302) 连通。
10. 根据权利要求 8或 9所述的泵送系统， 其特征在于， 每个所述 分配阀的所述 a阀口 （101 )与所述 b阀口 （ 102)均位于同一水平面上。
11. 一种工程机械， 其特征在于， 设置有如权利要求 4至 10中任一 项所述的泵送系统。
PCT/CN2012/086102 2012-03-23 2012-12-07 一种泵送系统的分配阀、泵送系统及工程机械 WO2013139147A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210078515.4 2012-03-23
CN201210078515.4A CN102606472B (zh) 2012-03-23 2012-03-23 一种泵送系统及工程机械

Publications (1)

Publication Number Publication Date
WO2013139147A1 true WO2013139147A1 (zh) 2013-09-26

Family

ID=46524145

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/086102 WO2013139147A1 (zh) 2012-03-23 2012-12-07 一种泵送系统的分配阀、泵送系统及工程机械

Country Status (2)

Country Link
CN (1) CN102606472B (zh)
WO (1) WO2013139147A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111377244A (zh) * 2020-02-25 2020-07-07 广东溢达纺织有限公司 单向输送装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606472B (zh) * 2012-03-23 2015-02-18 三一重工股份有限公司 一种泵送系统及工程机械
KR101351556B1 (ko) * 2013-07-25 2014-02-17 에스케이씨 주식회사 팽창 흑연을 함유한 난연성 폴리우레탄-우레아 하이브리드 코팅제 조성물 및 이의 제조방법
CN104863815B (zh) * 2015-05-14 2017-03-01 镇江长城注浆设备有限公司 移动单阀球结构注浆泵
CN105275797A (zh) * 2015-10-22 2016-01-27 飞翼股份有限公司 一种分配阀及充填工业泵
CN106545493B (zh) * 2015-12-07 2018-08-03 巩高铄 一种分配阀及采用这种分配阀的输送泵
CN105402118A (zh) * 2015-12-08 2016-03-16 镇江长城注浆设备有限公司 球面阀板注浆泵
CN106640572B (zh) * 2016-11-23 2018-06-01 中铁工程装备集团有限公司 一种盾构机用可编程自动控制注浆泵
CN109058525A (zh) * 2018-08-08 2018-12-21 徐州徐工施维英机械有限公司 一种可泵送压缩性物料的单出口流线型阀体装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592221A (en) * 1969-12-01 1971-07-13 Exxon Research Engineering Co Plate swing valve
US3659970A (en) * 1969-08-14 1972-05-02 Philip W Mcelroy Concrete pump
CN102032173A (zh) * 2010-12-10 2011-04-27 三一重工股份有限公司 一种混凝土机械及其泵送装置和泵送装置的分配阀
CN102146913A (zh) * 2011-03-01 2011-08-10 三一重工股份有限公司 泵送系统及其分配阀、混凝土输送机械
CN102606472A (zh) * 2012-03-23 2012-07-25 三一重工股份有限公司 一种泵送系统的分配阀、泵送系统及工程机械
CN202645987U (zh) * 2012-03-23 2013-01-02 三一重工股份有限公司 一种泵送系统的分配阀、泵送系统及工程机械

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3882152B2 (ja) * 1997-04-18 2007-02-14 石川島建機株式会社 揺動弁形コンクリートポンプの揺動管跳上方法
CN2409389Y (zh) * 1999-10-21 2000-12-06 辽阳凯维阀业有限公司 一种三位两通活塞阀
CN2446342Y (zh) * 2000-09-11 2001-09-05 湖北建设机械股份有限公司 单动单列斜置式闸板阀
CN2714907Y (zh) * 2004-07-06 2005-08-03 葛敬 液压式三通阀
CN100357604C (zh) * 2006-01-23 2007-12-26 三一重工股份有限公司 用于混凝土泵的分配阀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659970A (en) * 1969-08-14 1972-05-02 Philip W Mcelroy Concrete pump
US3592221A (en) * 1969-12-01 1971-07-13 Exxon Research Engineering Co Plate swing valve
CN102032173A (zh) * 2010-12-10 2011-04-27 三一重工股份有限公司 一种混凝土机械及其泵送装置和泵送装置的分配阀
CN102146913A (zh) * 2011-03-01 2011-08-10 三一重工股份有限公司 泵送系统及其分配阀、混凝土输送机械
CN102606472A (zh) * 2012-03-23 2012-07-25 三一重工股份有限公司 一种泵送系统的分配阀、泵送系统及工程机械
CN202645987U (zh) * 2012-03-23 2013-01-02 三一重工股份有限公司 一种泵送系统的分配阀、泵送系统及工程机械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111377244A (zh) * 2020-02-25 2020-07-07 广东溢达纺织有限公司 单向输送装置

Also Published As

Publication number Publication date
CN102606472B (zh) 2015-02-18
CN102606472A (zh) 2012-07-25

Similar Documents

Publication Publication Date Title
WO2013139147A1 (zh) 一种泵送系统的分配阀、泵送系统及工程机械
CN102465857A (zh) 多功能混凝土输送泵
CN201661532U (zh) 一种混凝土泵的液压泵送系统
WO2013104158A1 (zh) 一种泵送机构及包括该泵送机构的物料泵送设备
WO2007041935A1 (fr) Pompe alternative hydraulique
WO2016008295A1 (zh) 一种活塞式工业输送泵
CN102330649A (zh) 一种柱塞水泵及其液控系统
CN201884255U (zh) 一种混凝土泵用大排量高低压自动切换操作装置
CN102588268B (zh) 混凝土输送泵分配阀
CN203384004U (zh) 气动水泵
CN206917817U (zh) 一种大方量混凝土泵送装置
CN202645987U (zh) 一种泵送系统的分配阀、泵送系统及工程机械
CN103771286B (zh) 多缸同步抬升机构
CN202040039U (zh) 单作用液压驱动往复式柱塞泵
CN205259615U (zh) 一种输送管切换装置及物料输送系统
CN103775302A (zh) 压裂车及其传动输送系统
CN201521498U (zh) 混凝土输送泵及其机械换向液压驱动系统
CN202324649U (zh) 连续型全液压活塞式混凝土泵
CN202031822U (zh) 整体式混凝土泵高低压切换装置
WO2019201041A1 (zh) 封闭式无受料斗的混凝土泵送机构
US6499968B2 (en) Integral pump and control valve
CN203783845U (zh) 压裂车及其传动输送系统
CN102619743B (zh) 一种分配阀、泵送系统及工程机械
CN202031799U (zh) 混凝土泵送系统及其混凝土管路缓冲结构
CN105464918A (zh) 节能泵

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12872091

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12872091

Country of ref document: EP

Kind code of ref document: A1