CN207454424U - A kind of control device of hydraulic circuit for pump truck - Google Patents
A kind of control device of hydraulic circuit for pump truck Download PDFInfo
- Publication number
- CN207454424U CN207454424U CN201721615862.0U CN201721615862U CN207454424U CN 207454424 U CN207454424 U CN 207454424U CN 201721615862 U CN201721615862 U CN 201721615862U CN 207454424 U CN207454424 U CN 207454424U
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- CN
- China
- Prior art keywords
- master cylinder
- cylinder
- guide bracket
- oil
- fuel tank
- 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
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Abstract
A kind of control device of hydraulic circuit for pump truck,Including pumping mail oil cylinder device,Water tank,Concrete cylinder,Hopper,S is managed and discharge port,The pumping mail oil cylinder device is connected with concrete cylinder,Water tank is installed between the pumping mail oil cylinder device and concrete cylinder,Hopper is disposed on the right side of the concrete cylinder,S pipes are installed in the hopper,The bottom right side of the hopper is provided with discharge port,The S pipes are connected with discharge port,The pumping mail oil cylinder device includes master cylinder one,Piston rod one,Oil pump one,Master cylinder two,Piston rod two,Oil pump two,Flowline,High-pressure oil pipe,Fuel tap switch one,Several instruction devices and fuel tank,Piston rod one is connected in the master cylinder one,The one rod chamber end of master cylinder is connected with fuel tank,Instruction device is installed inside the one rodless cavity end of master cylinder,Oil pump one is connected between the master cylinder one and fuel tank,Piston rod two is connected in the master cylinder two.
Description
Technical field
The utility model is related to field of hydraulic equipment more particularly to a kind of control devices of hydraulic circuit for pump truck.
Background technology
Nowadays, in actual production, use more and more extensiveization of concrete mixer.Concrete mixer is that concrete exists
It is stirred in hopper, then by pumping master cylinder concrete cylinder is driven to carry out suction pressure action to the concrete being stirred, then managed through S
Distributional effects after, be pressed into discharge port in be transported to destination.When piston rod moves back and forth in master cylinder, due to multiple
Using abrasion, the high pressure oil in the rod chamber of piston rod can be made to enter in the rodless cavity of piston rod, so that rodless cavity inner product
It is oily excessive, accelerate so as to pump truck commutation number finally occur, the situation that piston rod stroke shortens.And it is to pass through contact to solve method
Maintenance personal dismantles master cylinder equipment, extracts hydraulic oil extra in rodless cavity out, then replaces seal fitting, improves piston rod and master
Sealing performance between oil cylinder, so, before not arrived due to maintenance personal, pump truck can not work normally completely, certainly will
The progress of slow operation is dragged in short time.Therefore, there is an urgent need for one kind before maintenance personal does not arrive, can tentatively solve in a short time
Problem, the device that safeguard work is normally carried out.
Utility model content
In view of the above, the purpose of this utility model is to provide a kind of control dresses of hydraulic circuit for pump truck
It puts, it is existing in the prior art to solve the problems, such as.Have the advantages that easy to maintenance, in order to realize above-mentioned technical proposal, this practicality is new
Type adopts the following technical scheme that：
The control device of a kind of hydraulic circuit for pump truck, including pumping mail oil cylinder device, water tank, concrete cylinder, hopper, S
Pipe and discharge port, the pumping mail oil cylinder device are connected with concrete cylinder, are equipped between the pumping mail oil cylinder device and concrete cylinder
Water tank is disposed with hopper on the right side of the concrete cylinder, and S pipes are equipped in the hopper, and the bottom right side of the hopper is provided with out
Material mouth, the S pipes are connected with discharge port, and the pumping mail oil cylinder device includes master cylinder one, piston rod one, oil pump one, master
Oil cylinder two, piston rod two, oil pump two, flowline, high-pressure oil pipe, fuel tap switch one, several instruction devices and fuel tank, the master
Piston rod one is connected in oil cylinder one, the one rod chamber end of master cylinder is connected with fuel tank, in the one rodless cavity end of master cylinder
Portion is equipped with instruction device, and oil pump one is connected between the master cylinder one and fuel tank, piston is connected in the master cylinder two
Bar two, the two rod chamber end of master cylinder are connected with fuel tank, are equipped with instruction device inside the two rod chamber end of master cylinder, institute
It states and oil pump two is connected between master cylinder two and fuel tank, the rodless cavity end of the master cylinder one is the same as the rodless cavity end of master cylinder two
Portion is connected by high-pressure oil pipe, and the medium position of the high-pressure oil pipe is connected with flowline, the same fuel tank in end of the flowline
It is connected, installation settings has fuel tap to switch one on the flowline.
A kind of control device of hydraulic circuit for pump truck provided by the utility model can be further arranged to described
Instruction device include contact block, several thin guide rods, connecting rod, spring, former piece, connection sheet, sealing ring, upper guide bracket, lower guide bracket,
End cap and external circuit, the upper and lower ends of the contact block are sleeved on several thin guide rods, the thin guide rod through threaded connection
Mode is fixed in the left-hand face inside master cylinder one, and connection sheet, the right side of the connection sheet are provided on the left of the former piece
Side is provided with connecting rod, and the left end of the connecting rod is threadedly coupled through former piece with connection sheet to be fixed, the right end of the connecting rod
Portion is threadedly coupled with contact block left part and fixes, and is cased with spring in the connecting rod, the spring be located at contact block and former piece it
Between, sealing ring is installed, the left side upper-lower position of the sealing ring is respectively arranged with guide bracket and is led under on the left of the former piece
, end cap is installed on the left of the upper guide bracket and lower guide bracket.
A kind of control device of hydraulic circuit for pump truck provided by the utility model can be further arranged to described
External circuit includes upper guide bracket, lower guide bracket, connection sheet, switch, indicator light and power supply, and the power supply and switch are electrical connected, institute
It states switch and power supply is electrical connected, the upper guide bracket is electrical connected with indicator light, and the lower guide bracket is electrical connected with power supply.
A kind of control device of hydraulic circuit for pump truck provided by the utility model can be further arranged to described
Fuel tap switch two is provided on high-pressure oil pipe, the fuel tap switch two is between flowline and master cylinder two.
A kind of control device of hydraulic circuit for pump truck provided by the utility model can be further arranged to described
It is set on former piece and sealing strip is installed.
In conclusion the utility model improves the structure of pump truck, a kind of control device of hydraulic circuit for pump truck, knot
Structure is reasonable, easy to maintenance.Piston rod two is shifted to the right part of master cylinder two by oil pump one onto, when the finger of two right part of master cylinder
After indicator light shines in showing device, control oil pump one is stopped, and is then switched off fuel tap switch two, opens fuel tap switch one, control
Liquefaction pump one slowly promotes piston rod one, and oil extra in one rodless cavity of master cylinder is flowed into from flowline in fuel tank, treats left side
After indicator light shines in instruction device, oil pump one and fuel tap switch one are immediately closed off, the master cylinder one and master cylinder two are without bar
The extra oil discharge of intracavitary finishes, and equipment can continue to work normally, easy to maintenance.
Description of the drawings
Below in conjunction with the accompanying drawings the preferred embodiment of the utility model describe in detail or preferably, wherein,
Fig. 1 is a kind of structure diagram of the control device of hydraulic circuit for pump truck of the utility model；
Fig. 2 is that a kind of structure of the control device pumping mail oil cylinder device of hydraulic circuit for pump truck of the utility model is shown
It is intended to；
Fig. 3 is a kind of structure diagram of the control device instruction device of hydraulic circuit for pump truck of the utility model.
Specific embodiment
With reference to the control device of Fig. 1 to Fig. 3 hydraulic circuits for pump truck a kind of to the utility model embodiment make into
One step explanation.
The control device of a kind of hydraulic circuit for pump truck, including pumping mail oil cylinder device 1, water tank 2, concrete cylinder 3, hopper
4th, S pipes 5 and discharge port 6, it is described pumping mail oil cylinder device 1 be connected with concrete cylinder 3, it is described pumping mail oil cylinder device 1 and concrete cylinder 3 it
Between water tank 2 is installed, the right side of the concrete cylinder 3 is disposed with hopper 4, S pipes 5, the right side of the hopper 4 is equipped in the hopper 4
Side bottom is provided with discharge port 6, and the S pipes 5 are connected with discharge port 6, it is described pumping mail oil cylinder device 1 include master cylinder 1,
Piston rod 1, oil pump 1, master cylinder 2 10, piston rod 2 11, oil pump 2 12, flowline 13, high-pressure oil pipe 14, fuel tap switch
One 15, two instruction devices 16 and fuel tank 17 are connected with piston rod 1 in the master cylinder 1, and the master cylinder 1 has bar
Chamber end is connected with fuel tank 17, is equipped with instruction device 16 inside the one 7 rodless cavity end of master cylinder, the instruction device 16 includes
18, the two thin guide rod 19 of contact block, connecting rod 20, spring 21, former piece 22, connection sheet 23, sealing ring 24, upper guide bracket 25, under lead
Seat 26, end cap 27 and external circuit 28, the upper and lower ends of the contact block 18 are sleeved on two thin guide rod 19, the thin guide rod 19
The mode of being connected through a screw thread is fixed in the left-hand face inside master cylinder 1, and the left side of the former piece 22 is provided with connection sheet
23, the right side of the connection sheet 23 is provided with connecting rod 20, and the left end of the connecting rod 20 passes through former piece 22 with 23 spiral shell of connection sheet
Line connection is fixed, and the right part of the connecting rod 20 is threadedly coupled with 18 left part of contact block to be fixed, and is covered in the connecting rod 20
There is spring 21, the spring 21 sets between contact block 18 and former piece 22, on the former piece 22 and is equipped with sealing strip 31.Institute
The left side for stating former piece 22 is equipped with sealing ring 24, and the left side upper-lower position of the sealing ring 24 is respectively arranged with guide bracket 25 under
The left side of guide bracket 26, the upper guide bracket 25 and lower guide bracket 26 is equipped with end cap 27.The external circuit 28 include upper guide bracket 25, under
Guide bracket 26, connection sheet 23, switch 33, indicator light 29 and power supply 30, the power supply 30 and switch 33 are electrical connected, the switch 33
It is electrical connected with power supply 30, the upper guide bracket 25 is electrical connected with indicator light 29, and the lower guide bracket 26 is electrical connected with power supply 30.
Oil pump 1 is connected between the master cylinder 1 and fuel tank 17, piston rod 2 11 is connected in the master cylinder 2 10, it is described
2 10 rod chamber end of master cylinder is connected with fuel tank 17, and instruction device 16, institute are equipped with inside the 2 10 rod chamber end of master cylinder
It states and oil pump 2 12 is connected between master cylinder 2 10 and fuel tank 17, the rodless cavity end of the master cylinder 1 is the same as master cylinder 2 10
Rodless cavity end be connected by high-pressure oil pipe 14, the medium position of the high-pressure oil pipe 14 is connected with flowline 13, it is described go out
The end of oil pipe 13 is connected with fuel tank 17, and installation settings has fuel tap to switch 1 on the flowline 13.The high-pressure oil pipe
Fuel tap switch 2 32 is provided on 14, the fuel tap switch 2 32 is between flowline 13 and master cylinder 2 10.Pass through oil pump
One 9 shift piston rod 2 11 onto the right part of master cylinder 2 10, when indicator light in the instruction device 16 of 2 10 right part of master cylinder
After 29 shine, control oil pump 1 is stopped, and is then switched off fuel tap switch 2 32, opens fuel tap switch 1, control oil pump one
9 slowly promote piston rod 1, and oil extra in one 7 rodless cavity of master cylinder is flowed into from flowline 13 in fuel tank 17, treat that left side refers to
After indicator light 29 shines in showing device 16, oil pump 1 and fuel tap switch 1, the master cylinder 1 and master cylinder are immediately closed off
Extra oil discharge finishes in 2 10 rodless cavities, and equipment can continue to work normally, easy to maintenance.
The operation principle of instruction device 16 provided by the utility model after opening switch 33, passes through one 8 pairs of contacts of piston rod
The contact chip that the compression of block 18 can be indirectly connected same contact block 18 is same as above guide bracket 25 respectively and lower guide bracket 26 contacts, so as to
Indicator light 29, power supply 30, switch 33, upper guide bracket 25, lower guide bracket 26 and connection sheet 23 is made to form closed circuit, 29 work of indicator light
Make, piston rod 2 11 is prompted to completely arrive at the right part of master cylinder 2 10.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Equivalent substitution is carried out, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (5)
1. the control device of a kind of hydraulic circuit for pump truck, which is characterized in that including pumping mail oil cylinder device（1）, water tank
（2）, concrete cylinder（3）, hopper（4）, S pipe（5）And discharge port（6）, the pumping mail oil cylinder device（1）With concrete cylinder（3）It is connected, institute
State pumping mail oil cylinder device（1）With concrete cylinder（3）Between water tank is installed（2）, the concrete cylinder（3）Right side be disposed with hopper（4）,
The hopper（4）S pipes are inside installed（5）, the hopper（4）Bottom right side be provided with discharge port（6）, the S pipes（5）Go out together
Material mouth（6）It is connected, the pumping mail oil cylinder device（1）Including master cylinder one（7）, piston rod one（8）, oil pump one（9）, main oil
Cylinder two（10）, piston rod two（11）, oil pump two（12）, flowline（13）, high-pressure oil pipe（14）, fuel tap switch one（15）, it is several
A instruction device（16）And fuel tank（17）, the master cylinder one（7）Inside it is connected with piston rod one（8）, the master cylinder one（7）Have
The same fuel tank in rod cavity end（17）It is connected, the master cylinder one（7）Rodless cavity is equipped with instruction device inside end（16）, the master cylinder
One（7）And fuel tank（17）Between be connected with oil pump one（9）, the master cylinder two（10）Inside it is connected with piston rod two（11）, it is described
Master cylinder two（10）The same fuel tank in rod chamber end（17）It is connected, the master cylinder two（10）Rod chamber is equipped with instruction device inside end
（16）, the master cylinder two（10）And fuel tank（17）Between be connected with oil pump two（12）, the master cylinder one（7）Rodless cavity end
Portion is the same as master cylinder two（10）Rodless cavity end pass through high-pressure oil pipe（14）It is connected, the high-pressure oil pipe（14）Medium position connect
It is connected to flowline（13）, the flowline（13）The same fuel tank in end（17）It is connected, the flowline（13）Upper installation settings
There is fuel tap to switch one（15）.
A kind of 2. control device of hydraulic circuit for pump truck according to claim 1, which is characterized in that the instruction
Device（16）Including contact block（18）, several thin guide rods（19）, connecting rod（20）, spring（21）, former piece（22）, connection sheet
（23）, sealing ring（24）, upper guide bracket（25）, lower guide bracket（26）, end cap（27）And external circuit（28）, the contact block（18）'s
Upper and lower ends are sleeved on several thin guide rods（19）On, the thin guide rod（19）The mode of being connected through a screw thread is fixed on master cylinder one
（7）In internal left-hand face, the former piece（22）Left side be provided with connection sheet（23）, the connection sheet（23）Right side set
It is equipped with connecting rod（20）, the connecting rod（20）Left end pass through former piece（22）Same connection sheet（23）It is threadedly coupled and fixes, it is described
Connecting rod（20）The same contact block in right part（18）Left part, which is threadedly coupled, to be fixed, the connecting rod（20）On be cased with spring
（21）, the spring（21）Positioned at contact block（18）And former piece（22）Between, the former piece（22）Left side sealing ring is installed
（24）, the sealing ring（24）Left side upper-lower position be respectively arranged with guide bracket（25）With lower guide bracket（26）, the upper guide bracket
（25）With lower guide bracket（26）Left side end cap is installed（27）.
A kind of 3. control device of hydraulic circuit for pump truck according to claim 2, which is characterized in that the outside
Circuit（28）Including upper guide bracket（25）, lower guide bracket（26）, connection sheet（23）, switch（33）, indicator light（29）And power supply（30）, institute
State power supply（30）And switch（33）It is electrical connected, the switch（33）And power supply（30）It is electrical connected, the upper guide bracket（25）Together
Indicator light（29）It is electrical connected, the lower guide bracket（26）Same power supply（30）It is electrical connected.
A kind of 4. control device of hydraulic circuit for pump truck according to claim 1, which is characterized in that the high pressure
Oil pipe（14）On be provided with fuel tap switch two（32）, the fuel tap switch two（32）Positioned at flowline（13）With master cylinder two（10）
Between.
A kind of 5. control device of hydraulic circuit for pump truck according to claim 2, which is characterized in that the former piece
（22）Upper setting is equipped with sealing strip（31）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721615862.0U CN207454424U (en) | 2017-11-28 | 2017-11-28 | A kind of control device of hydraulic circuit for pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721615862.0U CN207454424U (en) | 2017-11-28 | 2017-11-28 | A kind of control device of hydraulic circuit for pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454424U true CN207454424U (en) | 2018-06-05 |
Family
ID=62275364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721615862.0U Expired - Fee Related CN207454424U (en) | 2017-11-28 | 2017-11-28 | A kind of control device of hydraulic circuit for pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454424U (en) |
-
2017
- 2017-11-28 CN CN201721615862.0U patent/CN207454424U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180605 Termination date: 20211128 |