CN216893548U - Pump truck rotary table control device and concrete pump truck - Google Patents
Pump truck rotary table control device and concrete pump truck Download PDFInfo
- Publication number
- CN216893548U CN216893548U CN202123206156.XU CN202123206156U CN216893548U CN 216893548 U CN216893548 U CN 216893548U CN 202123206156 U CN202123206156 U CN 202123206156U CN 216893548 U CN216893548 U CN 216893548U
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- gear
- reducer motor
- turntable
- pump truck
- 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.)
- Active
Links
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model provides a pump truck turntable control device and a concrete pump truck, which comprise a turntable, a first reducer motor, a second reducer motor, a controller, a turntable control handle and a turntable rotary valve, wherein the turntable comprises a turntable structure and a turntable gear, the controller is respectively connected with the turntable rotary valve and the turntable control handle, the turntable rotary valve is respectively connected with the first reducer motor and the second reducer motor, the first reducer motor is meshed with the turntable gear through a first driving gear, and the second reducer motor is meshed with the turntable gear through a second driving gear, and the concrete pump truck turntable control device is characterized in that: and a motor reversing valve is arranged on a circuit connecting the rotary table rotary valve with the first speed reducer motor or the second speed reducer motor and is connected with the controller. The rotary table control handle comprises a zero gear, a clockwise rotary table gear and an anticlockwise rotary table gear. The clearance between the driving gear and the driven gear of the pump truck rotary table can be basically eliminated, and the shaking space of the arm support on the pump truck rotary table is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of engineering machinery, and relates to a pump truck rotary table control device and a concrete pump truck.
Background
The concrete pump truck has the characteristics of flexibility in movement, high working efficiency, high automation degree and the like, and is widely applied to civil engineering construction. Because the concrete pump truck has severe operation environment, high operation load and long operation time, and the current manufacturers have fierce competition, the distribution range is wider and wider, the arm support design continuously breaks through the limit, the direct consequence brought by the long arm support without the revolutionary technical breakthrough of materials and processes is that the arm support rigidity is reduced, the potential safety hazard is larger, and the arm support generally has large vibration and large rotation amplitude during distribution at present, and has potential safety hazard to constructors.
At present, double speed reducers are basically adopted in long-arm pump trucks, two speed reducers are controlled by the same loop in normal rotation, the rotation directions are the same, and the gear gaps of the two speed reducers are basically consistent after the rotation. Because the clearance is too large due to the abrasion of the gear of the rotary table or processing and assembling errors, the gear of the speed reducer cannot effectively lock the rotary table, and the clearance of the gear causes the free shaking space of the arm support rotary table.
How to design a pump truck revolving stage controlling means and concrete pump truck can basically eliminate the clearance between drive gear and the driven gear of pump truck revolving stage, reduce the space of rocking of cantilever crane on the pump truck revolving stage greatly. This is a technical problem to be solved in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a pump truck turntable control device and a concrete pump truck, which can basically eliminate the gap between a driving gear and a driven gear of a pump truck turntable and greatly reduce the shaking space of an upper arm support of the pump truck turntable.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a pump truck revolving stage controlling means, includes revolving stage, first speed reducer motor, second speed reducer motor, controller, revolving stage brake valve lever and revolving stage rotary valve, the revolving stage includes revolving stage structure and revolving stage gear, revolving stage brake valve lever with the controller is connected, the controller with the revolving stage rotary valve is connected, the revolving stage rotary valve respectively with first speed reducer motor and second speed reducer motor are connected, first speed reducer motor through first drive gear with revolving stage gear engagement, second speed reducer motor through second drive gear with revolving stage gear engagement, a serial communication port, the revolving stage rotary valve with set up the motor switching-over valve on the circuit that first speed reducer motor or second speed reducer motor are connected, the motor switching-over valve with the controller is connected.
The improvement of the technical scheme is as follows: the turntable control handle comprises a zero gear, a clockwise rotation gear of the turntable and an anticlockwise rotation gear of the turntable.
The technical scheme is further improved as follows: the turntable control handle is in the zero gear, the controller outputs a low potential, the turntable rotary valve cuts off power oil paths of the first speed reducer motor and the second speed reducer motor, the first speed reducer motor and the second speed reducer motor stop working, and the motor reversing valve is not powered; the turntable control handle is positioned at a clockwise rotation gear or an anticlockwise rotation gear of the turntable, the controller outputs high potential, the turntable rotary valve is opened, power oil paths of the first speed reducer motor and the second speed reducer motor are opened, the first speed reducer motor and the second speed reducer motor rotate in the same direction to drive the turntable to rotate clockwise or anticlockwise, and the motor reversing valve is not powered on; and then returning the rotary table control handle to the zero gear, controlling the motor reversing valve to be electrified, so that the rotation direction of the first speed reducer motor is opposite to that of the second speed reducer motor, the rotary table gear is locked by the first driving gear and the second driving gear, the controller maintains a high level for a period of time and outputs a low level, the rotary table rotary valve is closed, the power oil way of the first speed reducer motor and the second speed reducer motor is cut off, and the first driving gear and the second driving gear stop rotating and are tightly attached to the rotary table gear.
A concrete pump truck comprises a chassis frame, a cab and a pump truck arm support system, wherein the pump truck arm support system comprises a rotary table control device, and the concrete pump truck arm support system is characterized in that the rotary table control device is the pump truck rotary table control device.
An improvement to the above technical solution: the turntable control handle is a wireless remote control handle.
Another improvement to the above technical solution: the turntable control handle is a wired manual handle, and the wired manual handle is arranged on an operating table in the cab.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, the motor reversing valve is additionally arranged on a circuit connecting the rotary table rotary valve with the first speed reducer motor or the second speed reducer motor, the motor reversing valve is connected with the controller to control one speed reducer motor to independently rotate forwards and backwards, the motor reversing valve can reverse an oil circuit after the rotary table rotates every time, so that the rotating directions of the two speed reducer motors are opposite, the controller reasonably controls the movement time of the two speed reducer motors to achieve the purpose of tightly meshing the follower gear, the gap between the driving gear and the driven gear is basically eliminated, the shaking space of the arm support on the rotary table of the pump truck is greatly reduced, and the anti-swing effect is achieved;
2. the turntable control handle comprises a zero gear, a clockwise rotation gear of the turntable and a reverse rotation gear of a motor of the speed reducer, and is convenient to operate and control;
3. the utility model has simple structure and lower manufacturing cost.
Drawings
Fig. 1 is a schematic view of a connection structure of a control device of a pump truck turntable according to the present invention;
fig. 2 is a control flow chart of the pump truck turntable control device of the present invention.
The numbering in the figure is: 1-a first reducer motor, 1.1-a first driving gear, 2-a second reducer motor, 2.2-a second driving gear, 3, a turntable structure, 3.1-a turntable gear, 4-a motor reversing valve, 5-a controller, 6-a turntable control handle and 7-a turntable rotating valve.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the embodiment of the utility model relates to a pump truck turntable control device, which comprises a turntable, a first speed reducer motor 1, a second speed reducer motor 2, a controller 5, a turntable control handle 6 and a turntable rotary valve 7, wherein the turntable comprises a turntable structure 3 and a turntable gear 3.1. The turntable control handle 6 is connected with the controller 5, the controller 5 is connected with the turntable rotary valve 7, and the turntable rotary valve 7 is respectively connected with the first speed reducer motor 1 and the second speed reducer motor 2. The first reducer motor 1 is engaged with the turntable gear 3.1 through a first drive gear 1.1 and the second reducer motor 2 is engaged with the turntable gear 3.1 through a second drive gear 2.1. A motor reversing valve 4 is arranged on a line connecting the rotary table rotary valve 7 and the first speed reducer motor 1 (or the second speed reducer motor 2), and the motor reversing valve 4 is connected with a controller 5.
Further, the turntable control handle 6 comprises a zero gear, a clockwise rotation gear of the turntable and an anticlockwise rotation gear of the turntable.
Specifically, the method comprises the following steps: the turntable control handle 6 is in the zero gear, the controller 5 outputs a low potential, the turntable rotary valve 7 cuts off power oil paths of the first speed reducer motor 1 and the second speed reducer motor 2, the first speed reducer motor 1 and the second speed reducer motor 2 stop working, and the motor reversing valve 4 is not electrified. The turntable control handle 6 is at a clockwise rotation gear of the turntable or an anticlockwise rotation gear of the turntable, the controller 5 outputs high potential, and the turntable rotary valve 7 is opened, so that the power oil paths of the first speed reducer motor 1 and the second speed reducer motor 2 are opened. The first speed reducer motor 1 and the second speed reducer motor 2 rotate in the same direction to drive the rotary table to rotate clockwise or anticlockwise, and the motor reversing valve is not powered on; and then the turntable control handle returns to the zero gear, the first speed reducer motor 1 and the second speed reducer motor 2 rotate in the same direction to drive the turntable to rotate clockwise or anticlockwise, and the motor reversing valve 4 is not powered on. And then the turntable control handle 6 returns to a zero gear, and the motor reversing valve 4 is controlled to be electrified, so that the rotating directions of the first speed reducer motor 1 and the second speed reducer motor 2 are opposite, and the turntable gear 3.1 is locked by the first driving gear 1.1 and the second driving gear 2.1. The controller 5 outputs a low level after maintaining a high level for a period of time, closes the rotary table rotary valve 7, cuts off the power oil paths of the first speed reducer motor 1 and the second speed reducer motor 2, and enables the first driving gear 1.1 and the second driving gear 2.1 to stop rotating and to be tightly attached to the rotary table gear 3.1.
The embodiment of the utility model relates to a concrete pump truck, which comprises a chassis frame, a cab and a pump truck arm support system, wherein the pump truck arm support system comprises a rotary table control device, and the rotary table control device is the pump truck rotary table control device of the embodiment.
Preferably, the turntable control handle 6 is a wireless remote control handle. The turntable control handle 6 may be a wired manual handle provided on the cab operating console.
Referring to fig. 1 and 2, the basic operation flow of the pump truck turntable control device of the utility model is as follows:
turntable rotation command: the turntable control handle 6 is pulled to a clockwise rotation gear or an anticlockwise rotation gear of the turntable, at the moment, the turntable rotary valve 7 is powered on, the motor reversing valve 4 is powered off, and the turntable starts to rotate clockwise or anticlockwise;
the rotary command of the rotary table is reset to zero: the turntable control handle 6 is pulled to a zero gear, the turntable rotary valve 7 is powered off in a delayed mode, and the motor reversing valve 4 is powered on;
and (3) completely stopping the rotating platform: the turntable gear 3.1 is locked, and the turntable rotary valve 7 is powered off.
Referring to fig. 1 and 2, the specific working method of the pump truck turntable control device of the utility model is as follows:
in an initial state, the turntable control handle 6 is at a zero gear, the controller 5 outputs a low potential, the turntable rotary valve 7 cuts off power oil paths of the first speed reducer motor 1 and the second speed reducer motor 2, the first speed reducer motor 1 and the second speed reducer motor 2 do not work, and the motor reversing valve 4 is not electrified.
The turntable control handle 6 is pulled to a turntable clockwise rotation gear or a turntable anticlockwise rotation gear, when the turntable is controlled to rotate clockwise or anticlockwise, the controller 5 outputs a high potential, the turntable rotary valve 7 is opened, power oil paths of the first speed reducer motor 1 and the second speed reducer motor 2 are opened, the first speed reducer motor 1 and the second speed reducer motor 2 rotate in the same direction and drive the turntable to rotate clockwise or anticlockwise, and the motor reversing valve 4 is not powered;
after the rotary table rotates clockwise or anticlockwise to a material distribution position, the rotary table control handle 6 is pulled to a zero gear, the motor reversing valve 4 is controlled to be electrified, the rotating directions of the first driving gear 1.1 of the first speed reducer motor 1 and the second driving gear 2.1 of the second speed reducer motor 2 are opposite, and the rotary table gear 3.1 is tightly locked by the first driving gear 1.1 and the second driving gear 2.1 together. The controller 5 outputs low level after maintaining high level for a period of time, closes the rotary table rotary valve 7, cuts off the power oil paths of the first speed reducer motor 1 and the second speed reducer motor 2, and enables the first driving gear 1.1 and the second driving gear 2.1 to stop rotating and to be tightly attached to the rotary table gear 3.1. Therefore, gaps between the first driving gear 1.1 and the second driving gear 2.1 and the rotary table gear 3.1 are basically eliminated, the shaking space of the arm support on the rotary table of the pump truck is greatly reduced, and a good anti-swing effect can be achieved.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make various changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a pump truck revolving stage controlling means, includes revolving stage, first speed reducer motor, second speed reducer motor, controller, revolving stage brake valve lever and revolving stage rotary valve, the revolving stage includes revolving stage structure and revolving stage gear, revolving stage brake valve lever with the controller is connected, the controller with the revolving stage rotary valve is connected, the revolving stage rotary valve respectively with first speed reducer motor and second speed reducer motor are connected, first speed reducer motor through first drive gear and with revolving stage gear engagement, second speed reducer motor through second drive gear with revolving stage gear engagement, a serial communication port, the revolving stage rotary valve with set up the motor switching-over valve on the circuit that first speed reducer motor or second speed reducer motor are connected, the motor switching-over valve with the controller is connected.
2. The pump truck turret control device of claim 1, wherein the turret control handle includes a zero gear, a turret clockwise gear, and a turret counterclockwise gear.
3. The pump truck turret control device according to claim 2, wherein the turret control handle is at the zero position, the controller outputs a low potential, the turret rotary valve cuts off a power oil path of the first speed reducer motor and the second speed reducer motor, both the first speed reducer motor and the second speed reducer motor stop operating, and the motor reversing valve is not energized; the turntable control handle is positioned at a clockwise rotation gear or an anticlockwise rotation gear of the turntable, the controller outputs high potential, the turntable rotary valve is opened, power oil paths of the first speed reducer motor and the second speed reducer motor are opened, the first speed reducer motor and the second speed reducer motor rotate in the same direction to drive the turntable to rotate clockwise or anticlockwise, and the motor reversing valve is not powered on; and then returning the rotary table control handle to the zero gear, controlling the motor reversing valve to be electrified, so that the rotation direction of the first speed reducer motor is opposite to that of the second speed reducer motor, the rotary table gear is locked by the first driving gear and the second driving gear, the controller maintains a high level for a period of time and outputs a low level, the rotary table rotary valve is closed, the power oil way of the first speed reducer motor and the second speed reducer motor is cut off, and the first driving gear and the second driving gear stop rotating and are tightly attached to the rotary table gear.
4. A concrete pump truck comprises a chassis frame, a cab and a pump truck arm support system, wherein the pump truck arm support system comprises a rotary table control device, and the concrete pump truck arm support system is characterized in that the rotary table control device is the pump truck rotary table control device of any one of claims 1-3.
5. The concrete pump truck of claim 4, wherein the turntable control handle is a wireless remote control handle.
6. The concrete pump truck of claim 4, wherein the turntable control handle is a wired manual handle disposed on the cab interior console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123206156.XU CN216893548U (en) | 2021-12-20 | 2021-12-20 | Pump truck rotary table control device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123206156.XU CN216893548U (en) | 2021-12-20 | 2021-12-20 | Pump truck rotary table control device and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216893548U true CN216893548U (en) | 2022-07-05 |
Family
ID=82207643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123206156.XU Active CN216893548U (en) | 2021-12-20 | 2021-12-20 | Pump truck rotary table control device and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216893548U (en) |
-
2021
- 2021-12-20 CN CN202123206156.XU patent/CN216893548U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103174178B (en) | Branch-chain stop control type multiple degrees of freedom link mechanism form loading machine | |
| CN107150356B (en) | Two-degree-of-freedom joint structure | |
| CN104440912B (en) | A kind of mechanical type controls the mechanism that steering wheel turns to | |
| JP2001011899A5 (en) | ||
| JPWO2011013347A1 (en) | Slewing drive | |
| CN216893548U (en) | Pump truck rotary table control device and concrete pump truck | |
| CN105114536A (en) | Robot or robot arm joint planetary transmission reducer | |
| CN204852190U (en) | Be used for articular planet transmission reduction gear of robot or arm | |
| CN203284820U (en) | Branched chain stop control type multiple-degree-of-freedom link mechanism type loader | |
| CN102101227A (en) | Special automatic welding rotation equipment of concrete mixer chassis | |
| CN215280044U (en) | Mechanical spindle type AC double-swing-angle numerical control universal milling head | |
| CN211685388U (en) | Control system of wall-climbing robot | |
| CN218284285U (en) | Large-scale positioner rotary device | |
| CN207671628U (en) | A kind of four-degree-of-freedom hybrid drive formula fork truck robot | |
| CN102874380A (en) | Towing engine and drive device thereof | |
| CN208830393U (en) | Sliding loader | |
| CN202193573U (en) | Rotary driving system of tower crane for crane | |
| JPH10109889A (en) | Revolving device for construction machine | |
| CN111634868A (en) | Control system of electrically-driven overhead working truck and overhead working management system | |
| CN111362204A (en) | Novel jib loading boom hoisting mechanism | |
| CN111301544A (en) | Control system and control method of wall-climbing robot with scanning function | |
| CN109264626A (en) | A kind of four-degree-of-freedom hybrid drive formula fork truck robot | |
| CN211920816U (en) | Novel jib loading boom hoisting mechanism | |
| CN212269386U (en) | Control system of electrically-driven overhead working truck and overhead working management system | |
| CN215968712U (en) | Multi-shaft driving platform for robot walking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |