CN111943065A - Swing cylinder motor suitable for hoist - Google Patents
Swing cylinder motor suitable for hoist Download PDFInfo
- Publication number
- CN111943065A CN111943065A CN202010685274.4A CN202010685274A CN111943065A CN 111943065 A CN111943065 A CN 111943065A CN 202010685274 A CN202010685274 A CN 202010685274A CN 111943065 A CN111943065 A CN 111943065A
- Authority
- CN
- China
- Prior art keywords
- rear cover
- oil
- hoist
- motor
- tilt cylinder
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/08—Driving gear incorporating fluid motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/26—Operating devices pneumatic or hydraulic
- B66D5/28—Operating devices pneumatic or hydraulic specially adapted for winding gear, e.g. in mining hoists
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
Abstract
The invention discloses a tilt cylinder motor suitable for hoisting of a crane, which comprises a front cover and a rear cover, wherein the front cover and the rear cover are fixedly connected, the front cover and the rear cover are matched to form a shell of the motor, an oil through disc is arranged on the rear cover, the oil through disc is fixedly connected with the rear cover, a cross shaft is arranged between the oil through disc and the rear cover, a transmission part is arranged between the front cover and the rear cover, and a control system of the transmission part adopts a hydraulic control system; by adopting the scheme of the invention, the tilt cylinder motor can be suitable for hoisting of the crane, has richer functions and can control a brake of the hoisting of the crane; the heavy object is more steady to hoist and transfer, and this functional unit integration has reduced hydraulic line's installation on logical oil pan subassembly simultaneously, and the problem such as the motor internal wear seriously generates heat has been solved in the static pressure balance design, can make the motor work under the high-speed high-load condition of high pressure, has obviously promoted hoist operating efficiency, makes the tilt cylinder motor can extensively use on hoist.
Description
Technical Field
The invention belongs to the technical field of hydraulic pressure, and particularly relates to a tilt cylinder motor suitable for hoisting of a crane.
Background
The swing cylinder motor is a connecting rod-free crankshaft low-speed high-torque hydraulic motor with oil distributed on the end surface, converts hydraulic energy into mechanical energy, is widely applied to a crane winch in the engineering machinery industry and is used for driving the winch to complete the hoisting and lowering of heavy objects; at present, the crane industry requires to promote the operating efficiency and the falling stability, and the hoist motor of the crane develops towards high speed and high load direction, and the defects of the common swing cylinder motor are exposed: firstly, an oilless bearing is embedded in a hole for installing a cylinder body in the rear cover of the shell to reduce friction, the oilless bearing has poor wear resistance under the condition of high speed and high load, and a motor is greatly leaked and cannot be used after being damaged; and secondly, an additional valve block is required to be installed to integrate the shuttle valve and the balance valve to control the brake and reduce the stability, so that the connecting pipeline and the installation volume are increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cylinder swinging motor which is high in stability and suitable for hoisting of a crane.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a tilt cylinder motor suitable for hoist, includes protecgulum and hou gai, fixed connection between protecgulum and the back lid, the protecgulum constitutes the casing of motor with the cooperation of back lid, after cover and be equipped with logical food tray, lead to fixed connection between food tray and the back lid, lead to and be equipped with the cross axle between food tray and the back lid, be equipped with transmission portion between protecgulum and the back lid, the control system of transmission portion adopts hydraulic control system.
The invention discloses a tilt cylinder motor suitable for hoisting of a crane, wherein a transmission part comprises a cylinder body, a crankshaft, a first roller bearing and a second ball bearing, the first roller bearing and the second ball bearing are respectively arranged on two sides of the crankshaft, the first roller bearing is fixedly connected with a front cover, the second roller bearing is fixedly connected with a rear cover, the crankshaft is fixedly arranged on the cylinder body, and the cylinder body is movably connected with the front cover and the rear cover.
The invention discloses a tilt cylinder motor suitable for hoisting of a crane.
The invention discloses a tilt cylinder motor suitable for hoisting of a crane, which comprises a balance valve, a shuttle valve, a three-position two-way reversing valve and a hoisting brake, wherein an oil inlet P and an oil return port T are arranged in the middle position of the three-position two-way reversing valve, the tilt cylinder motor is directly connected with the three-position two-way reversing valve, one end of the shuttle valve flows in a one-way mode, and the other end of the shuttle valve flows in a two-way mode.
The invention discloses a tilt cylinder motor suitable for hoisting of a crane, wherein an oil through disc is in threaded connection with a rear cover through a first countersunk screw, and the rear cover is in threaded connection with a front cover through a second countersunk screw.
The invention discloses a tilt cylinder motor suitable for hoisting a crane, wherein a front cover and a rear cover adopt a gas soft nitriding process, namely a chemical surface heat treatment process for permeating nitrogen atoms and carbon atoms into the surfaces of the front cover and the rear cover of a nodular iron casting at the temperature of 580 ℃ plus 500 ℃.
By adopting the scheme of the invention, the tilt cylinder motor can be suitable for hoisting of the crane, has richer functions and can control a brake of the hoisting of the crane; the heavy object is more steady to hoist and transfer, and this functional unit integration has reduced hydraulic line's installation on logical oil pan subassembly simultaneously, and the problem such as the motor internal wear seriously generates heat has been solved in the static pressure balance design, can make the motor work under the high-speed high-load condition of high pressure, has obviously promoted hoist operating efficiency, makes the tilt cylinder motor can extensively use on hoist.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a cross-sectional view of a tilt cylinder motor of the present invention;
FIG. 2 is a top view of the tilt cylinder motor of the present invention;
FIG. 3 is a hydraulic schematic of the tilt cylinder motor of the present invention;
FIG. 4 is a partial cross-sectional view of the tilt cylinder of the present invention;
labeled as: 1. an oil through disc; 2.1, a first countersunk screw; 2.2, a second countersunk screw; 3. a cross shaft; 4. a rear cover; 5.1, a first ball bearing; 5.2, a second ball bearing; 6. a cylinder body; 6.1, a first oil through hole; 6.2, a second oil through hole; 7. a crankshaft; 8. a plunger body; 9. a front cover; 10. a shuttle valve; 11. a balancing valve; 12. a static pressure balancing tank; 13. a hoisting brake; 14. a tilt cylinder motor; 15. a three-position two-way reversing valve;
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail for the purpose of providing a more complete, accurate and thorough understanding of the inventive concepts and technical solutions of the present invention, including the shapes of the components, the structures, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes, the operation and use methods, and the like.
FIG. 1 is a cross-sectional view of a tilt cylinder motor of the present invention; FIG. 2 is a top view of the tilt cylinder motor of the present invention; FIG. 4 is a partial cross-sectional view of the tilt cylinder of the present invention; as shown in fig. 1, 2 and 3, a tilt cylinder motor 14 suitable for hoisting a crane comprises a front cover 9 and a rear cover 4, the front cover 9 is fixedly connected with the rear cover 4, the front cover 9 and the rear cover 4 are matched to form a motor shell, an oil through disc 1 is arranged on the rear cover 4, the oil through disc 1 is fixedly connected with the rear cover 4, a cross shaft 3 is arranged between the oil through disc 1 and the rear cover 4, a transmission part is arranged between the front cover 9 and the rear cover 4, a control system of the transmission part adopts a hydraulic control system, the transmission part comprises a cylinder body 6, a crankshaft 7, a first roller bearing 5.1 and a second roller bearing 5.2, the first roller bearing 5.1 and the second roller bearing 5.2 are respectively arranged at two sides of the crankshaft 7, wherein the first roller bearing 5.1 is fixedly connected with the front cover 9, the second roller bearing 5.2 is fixedly connected with the rear cover 4, the crankshaft 7 is fixedly arranged on the cylinder body 6, and the cylinder body 6 is movably connected with the front cover 9 and the rear cover 4, the two sides of the cylinder body 6 are respectively provided with a first oil through hole and a second oil through hole, a plunger body 8 is arranged in the cylinder body 6, the plunger body 8 is fixedly connected with the cylinder body 6, the oil through disc 1 is in threaded connection with the rear cover 4 through a first countersunk screw 2.1, the rear cover 4 is in threaded connection with the front cover 9 through a second countersunk screw 2.2, the front cover 9 and the rear cover 4 adopt a gas soft nitriding process, namely, the front cover and the rear cover of the nodular iron casting are subjected to chemical surface heat treatment at the temperature of 580 ℃ of 500-plus-material, and nitrogen atoms and carbon atoms are permeated into the surface of the front cover and the rear cover.
FIG. 3 is a hydraulic schematic of the tilt cylinder motor of the present invention; the hydraulic control system shown in fig. 3 includes a balance valve 11, a shuttle valve 10, a three-position two-way directional valve 15 and a hoisting brake 13, an oil inlet P and an oil return port T are provided in the middle of the three-position two-way directional valve 15, a tilt cylinder motor 14 is directly connected to the three-position two-way directional valve 15, one end of the shuttle valve 10 is in one-way inflow, and the other end is in two-way inflow.
When the oil pumping device is used, as shown in a hydraulic principle diagram of fig. 3, a shuttle valve 10 and a balance valve 11 are integrated on an oil passing disc 1 of a tilt cylinder motor 14, when a reversing valve moves rightwards, an oil inlet at a port B of the tilt cylinder motor 14 supplies oil to a hoisting brake 13 through the shuttle valve 10 to open the hoisting brake 13, the tilt cylinder motor 14 rotates forwards to drive a hoisting heavy object, when a three-position two-way reversing valve 15 moves to a middle position, the tilt cylinder motor 14 stops rotating, the hoisting brake 13 locks the tilt cylinder motor 14 under the action of an internal spring, and the heavy object is prevented from falling under the action of self gravity to drive the tilt cylinder motor 14 to rotate; when the three-position two-way reversing valve 15 moves leftwards, oil from an oil inlet A of the swing cylinder motor 14 is supplied to the winch brake 13 through the shuttle valve 10 to open the winch brake 13, the swing cylinder motor 14 drives the winch to lower a heavy object in a reverse rotation mode, the balance valve 11 starts to work at the moment to provide stable back pressure for an oil path, so that the falling is more stable, when the three-position two-way reversing valve 15 moves to the middle position, the swing cylinder motor 14 stops rotating, the winch brake 13 locks the swing cylinder motor 14 under the action of an internal spring, at the moment, the balance valve 11 can eliminate the inertia of the falling heavy object, and the impact force borne by the winch brake 13 is reduced.
By adopting the scheme of the invention, the tilt cylinder motor can be suitable for hoisting of the crane, has more functions and can control a brake of the hoisting of the crane; the heavy object is more steady to hoist and transfer, and this functional unit integration has reduced hydraulic line's installation on logical oil pan subassembly simultaneously, and the problem such as the motor internal wear seriously generates heat has been solved in the static pressure balance design, can make the motor work under the high-speed high-load condition of high pressure, has obviously promoted hoist operating efficiency, makes the tilt cylinder motor can extensively use on hoist.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (6)
1. The utility model provides a tilt cylinder motor suitable for hoist, includes protecgulum and hou gai, fixed connection between protecgulum and the back lid, the protecgulum constitutes the casing of motor with the cooperation of back lid, its characterized in that: the oil-feeding device is characterized in that an oil feeding disc is arranged on the rear cover, the oil feeding disc is fixedly connected with the rear cover, a cross shaft is arranged between the oil feeding disc and the rear cover, a transmission part is arranged between the front cover and the rear cover, and a control system of the transmission part adopts a hydraulic control system.
2. The tilt cylinder motor for hoist of crane as claimed in claim 1, wherein the transmission part comprises a cylinder block, a crankshaft, a first roller bearing and a second ball bearing, the first roller bearing and the second ball bearing are respectively disposed at both sides of the crankshaft, wherein the first roller bearing is fixedly connected to the front cover, the second roller bearing is fixedly connected to the rear cover, the crankshaft is fixedly disposed on the cylinder block, and the cylinder block is movably connected to the front cover and the rear cover.
3. The tilt cylinder motor for hoist of crane according to claim 2, wherein the cylinder body is provided at both sides thereof with a first oil through hole and a second oil through hole, respectively, and the plunger body is provided in the cylinder body and fixedly connected to the cylinder body.
4. The tilt cylinder motor for hoist of crane as claimed in claim 1, wherein the hydraulic control system comprises a balance valve, a shuttle valve, a three-position two-way directional control valve and a hoist brake, the three-position two-way directional control valve has an oil inlet P and an oil return T at its middle position, the tilt cylinder motor is directly connected to the three-position two-way directional control valve, one end of the shuttle valve is one-way inflow, and the other end is two-way inflow.
5. The tilt cylinder motor for hoist of crane according to claim 1, wherein the oil pan is screw-coupled to the rear cover by using a first countersunk screw, and the rear cover is screw-coupled to the front cover by using a second countersunk screw.
6. The tilt cylinder motor for hoisting a crane according to claim 1, wherein the front cover and the rear cover are formed by a gas soft nitriding process, i.e. a chemical surface heat treatment process for surface-infiltrating nitrogen atoms and carbon atoms into the front cover and the rear cover of the nodular iron casting at a temperature of 500 ℃ and 580 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685274.4A CN111943065A (en) | 2020-07-16 | 2020-07-16 | Swing cylinder motor suitable for hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685274.4A CN111943065A (en) | 2020-07-16 | 2020-07-16 | Swing cylinder motor suitable for hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111943065A true CN111943065A (en) | 2020-11-17 |
Family
ID=73341433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010685274.4A Pending CN111943065A (en) | 2020-07-16 | 2020-07-16 | Swing cylinder motor suitable for hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111943065A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513579A (en) * | 2021-03-18 | 2021-10-19 | 中铁五局集团第一工程有限责任公司 | Hoisting device for unfavorable geological construction |
| CN116281604A (en) * | 2023-05-23 | 2023-06-23 | 河南省大方重型机器有限公司 | Anti-swing outdoor portal crane |
-
2020
- 2020-07-16 CN CN202010685274.4A patent/CN111943065A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513579A (en) * | 2021-03-18 | 2021-10-19 | 中铁五局集团第一工程有限责任公司 | Hoisting device for unfavorable geological construction |
| CN113513579B (en) * | 2021-03-18 | 2022-05-03 | 中铁五局集团第一工程有限责任公司 | Hoisting device for unfavorable geological construction |
| CN116281604A (en) * | 2023-05-23 | 2023-06-23 | 河南省大方重型机器有限公司 | Anti-swing outdoor portal crane |
| CN116281604B (en) * | 2023-05-23 | 2023-08-11 | 河南省大方重型机器有限公司 | Anti-swing outdoor portal crane |
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