CN214218004U - Double-rotating-speed output hydraulic slot milling machine winch - Google Patents
Double-rotating-speed output hydraulic slot milling machine winch Download PDFInfo
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- CN214218004U CN214218004U CN202022999227.5U CN202022999227U CN214218004U CN 214218004 U CN214218004 U CN 214218004U CN 202022999227 U CN202022999227 U CN 202022999227U CN 214218004 U CN214218004 U CN 214218004U
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Abstract
The utility model discloses a hydraulic pressure groove cutting machine winch of two rotational speed outputs, include: reel, hydraulic motor assembly and hydraulic control valves, its characterized in that: the hydraulic motor assembly comprises a high-speed end hydraulic motor assembly and a low-speed end hydraulic motor assembly which are respectively installed on two sides of the winding drum in a transmission mode; the high-speed end hydraulic motor assembly drives the winding drum to output torque at the rotating speed n1, the low-speed end hydraulic motor assembly drives the winding drum to output torque at the rotating speed n2, n 1: n2 may be done as 10: 1 above to make the reel export high rotational speed and accomplish lift work fast in start-up or the stage of closing, export low rotational speed drive milling wheel and accomplish milling flutes work at the working stage, reduce energy consumption and promote slot milling machine's work efficiency greatly.
Description
Technical Field
The utility model relates to a hydraulic winch technical field especially relates to a hydraulic groove cutting machine winch of two rotational speed outputs.
Background
The hydraulic slot milling machine realizes the automatic processing of products processed by the slot milling machine in a mode of combining hydraulic pressure and electrical control, and has the advantages of high speed, accurate positioning, high efficiency and the like in similar equipment. In the prior art, a hydraulic slot milling machine is widely used as special equipment for underground diaphragm wall construction. A steel groove milling cutter frame with a hydraulic system and an electric system which can be controlled by a host machine is suspended by a transmission system of the hydraulic groove milling machine and a steel cable below a mast, a hydraulic motor is installed at the bottom of the steel groove milling cutter frame, the hydraulic motor is decelerated by a gear reduction box and drives a milling wheel installed on the steel groove milling cutter frame to rotate at a low speed, and formation surrounding rock is milled and crushed by utilizing milling wheel teeth, so that continuous groove milling construction of various formations is realized.
In a hydraulic slot milling machine with single motor input, in order to meet the requirement of low rotating speed of a milling wheel, the speed of a slot milling cutter holder sinking to a working position from the ground is limited by the output rotating speed of a transmission device at the starting stage of the hydraulic slot milling machine, and in practical application, a large amount of time is consumed on the lifting motion of the slot milling cutter holder, so that the working efficiency is greatly influenced.
In the prior art, a form of a hydraulic compensation winch with a double-motor structure is also provided, and a common structural form is that one hydraulic compensation winch is matched with one hydraulic motor to complete normal lifting, descending and compensation actions. Chinese patent publication No. CN108313904A discloses a double-headed underwater hydraulic winch, which comprises a winding drum, two groups of hydraulic motor assemblies and a hydraulic control valve group, wherein the two groups of hydraulic motor assemblies are symmetrically installed on the left and right sides of the winding drum respectively, and each group of hydraulic motor assemblies comprises a hydraulic motor, a brake device, a clutch device and a gear box which are sequentially integrated and in transmission connection; the water glycol is used as a hydraulic medium, and in order to meet the working pressure of the hydraulic winch, the large-flow design of the hydraulic valve block is met by adopting a mode of connecting two balance valves in parallel; adopt the two hydraulic motor power head structures of symmetry, set up a stand-by unit head, when one side hydraulic motor assembly broke down, opposite side hydraulic motor assembly was used in the switching that can be rapid at any time for utility model has more security and reliability.
The above patent provides reserve power for the winch through setting up two side hydraulic motor, but the hydraulic motor assembly of both sides is with the same rotational speed output torque, in actual operation, if the winch has the demand of many rotational speeds output, then can't satisfy the operation requirement.
Disclosure of Invention
The utility model aims at providing a hydraulic pressure groove cutting machine winch of two rotational speed outputs sets up two high, low-speed hydraulic drive device respectively through the both ends at the reel to the cooperation groove cutting machine makes the moment of torsion of reel output two kinds of high, low rotational speeds starting with normal working phase, thereby promotes the operating efficiency of groove cutting machine.
To the above problem, the utility model discloses a technical scheme be: the utility model provides a hydraulic pressure groove cutting machine winch of two rotational speed outputs includes: reel, hydraulic motor assembly and hydraulic control valves, its characterized in that: the hydraulic motor assembly comprises a high-speed end hydraulic motor assembly and a low-speed end hydraulic motor assembly which are respectively connected with two sides of the winding drum in a transmission manner; the winding drum is in transmission connection with the high-speed end hydraulic motor assembly or the low-speed end hydraulic motor assembly to realize torque output, the high-speed end hydraulic motor assembly drives the winding drum to output torque at a rotating speed n1, the low-speed end hydraulic motor assembly drives the winding drum to output torque at a rotating speed n2, and the speed of the winding drum is n 1: n2 is more than or equal to 10: 1.
furthermore, the high-speed end hydraulic motor assembly comprises a first hydraulic motor, a first hydraulic braking device, a first hydraulic clutch device and a first speed reducing device which are sequentially connected in an integrated transmission manner;
the low-speed end hydraulic motor assembly comprises a second hydraulic motor, a second hydraulic braking device, a second speed reducing device A, a second hydraulic clutch device and a second speed reducing device B which are sequentially connected in an integrated transmission manner;
and two ends of the winding drum are respectively connected with the power output ends of the first speed reducer and the second speed reducer B in a transmission way, and the second speed reducer A and the second speed reducer B are in clutch connection through the second hydraulic clutch device.
Further, the output rotating speed of the first hydraulic motor is less than or equal to 3500r/min, and the output rotating speed of the second hydraulic motor is less than or equal to 3500 r/min; when the winding drum is in transmission connection with the high-speed end hydraulic motor assembly, the input rotating speed of the second speed reducer B is less than or equal to 3500 r/min.
Further, the first reduction gear comprises a first planetary reducer, the second reduction gear B comprises a second planetary reducer, and the first planetary reducer and the second planetary reducer are both three-stage planetary reducers; the second reduction gear a includes a third planetary reducer, which is a primary planetary reducer.
Further, the reduction ratio of the first planetary reduction gear is 82.5, the reduction ratio of the second planetary reduction gear is 86, and the reduction ratio of the third planetary reduction gear is 10.
Further, the rotation direction of the winding drum is opposite to the input direction of the first hydraulic motor and the second hydraulic motor.
Furthermore, the oil passages of the first hydraulic braking device and the second hydraulic clutch device are provided with linkage control, and the oil passages of the second hydraulic braking device and the first hydraulic clutch device are provided with linkage control.
Furthermore, the hydraulic control valve groups are divided into two groups which are respectively connected with the high-speed end hydraulic motor assembly and the low-speed end hydraulic motor assembly, each group of hydraulic control valve groups comprises a forward balance valve group, a reverse balance valve group and a shuttle valve connected with the forward balance valve group and the reverse balance valve group in parallel, and oil ports of the forward balance valve group and the reverse balance valve group are connected with forward driving oil passages and reverse driving oil passages of the hydraulic motor on the controlled side; the oil outlet end of the shuttle valve is connected with the hydraulic brake device on the side and the control oil circuit of the hydraulic clutch device on the opposite side.
Furthermore, the first planetary reducer and the second planetary reducer are both shell-rotating planetary reducers, two ends of the winding drum are respectively connected with inner gear rings of the first planetary reducer and the second planetary reducer in a transmission manner, and the first planetary reducer and the second planetary reducer are integrally installed inside the winding drum.
Furthermore, the input rotating speeds of the first planetary reducer and the second planetary reducer are less than or equal to 3500 r/min.
The utility model has the advantages that: 1. through the hydraulic motor assembly that is equipped with high, low rotational speed respectively at the both ends of reel, make the reel can export the moment of torsion of two high, low rotational speeds, the velocity ratio of high, low rotational speed can reach 10: 1, so that the winding drum outputs high rotating speed to quickly complete lifting work in a starting or closing stage, and outputs low rotating speed to drive the milling wheel to complete slot milling movement in a working stage, thereby greatly improving the working efficiency of the slot milling machine; 2. two speed reducing devices are arranged in the low-speed end hydraulic motor assembly, the two speed reducing devices are in clutch connection through a clutch device, when the high-speed end hydraulic motor works, the low-speed end hydraulic motor and one of the speed reducing devices are disengaged from the winding drum through the clutch device, and therefore the speed reducing devices cannot rotate along with the high-speed operation of the high-speed end hydraulic motor, the loss of the speed reducing devices is reduced, and the service life of the speed reducing devices is prolonged.
Drawings
FIG. 1 is a schematic diagram of the operation of a preferred embodiment of the present invention;
fig. 2 is a sectional structure view of the embodiment of the present invention.
Detailed Description
The technical features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus, the scope of the present invention can be defined more clearly and clearly.
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment of the utility model is a hydraulic pressure groove cutting machine winch of double speed output connects the reel through setting up two hydraulic motor assembly transmissions of high, low rotational speed, makes the reel can be with high, two kinds of low rotational speed output torque, adapts to the demand of groove cutting machine to the rotational speed at different working stages to improve groove cutting machine's work efficiency.
Please refer to fig. 1, which is a working schematic diagram of the present invention, specifically including: the high-speed end hydraulic motor assembly, the low-speed end hydraulic motor assembly and the winding drum D are arranged in the winding drum D; the high-speed end hydraulic motor assembly comprises A1 # hydraulic motor AB, A1 # brake Z1, A1 # clutch L1 and A1 # speed reducer R1 which are sequentially connected in an integrated transmission mode, the low-speed end hydraulic motor assembly comprises a 2# hydraulic motor A1B1, a 2# brake Z2, a 2# speed reducer R2, a 2# clutch L2 and a 3# speed reducer which are sequentially connected in an integrated transmission mode, and two ends of a winding drum D are connected with power output ends of the 1# speed reducer R1 and the 3# speed reducer R3 in a transmission mode respectively. The winding drum D outputs torque at a high rotating speed n1 through a high-speed end hydraulic motor assembly, and is suitable for quick lifting movement of a winch in the starting and closing stages; the winding drum D outputs torque at a low rotating speed n2 through a low-speed end hydraulic motor assembly, and the winding drum D is used for enabling the milling wheel to perform groove milling operation at the low rotating speed in the working stage of the winch. n 1: n2 may be done as 10: 1 above to promote slot milling machine's work efficiency greatly, the aforesaid does the utility model discloses a first innovation point.
The utility model discloses a second innovation point lies in, and low-speed end hydraulic motor assembly sets up two decelerator: the 2# speed reducer R2 and the 3# speed reducer R3 are in clutch connection through a 2# clutch L2, and the 2# speed reducer R2 and the 3# speed reducer R3 are in clutch connection; when the 2# hydraulic motor A1B1 works, the 2# brake Z2 and the 1# clutch L1 are opened by feeding oil, the 2# hydraulic motor A1B1 outputs torque to the winding drum D through the 2# reduction gearbox R2, the 2# clutch L2 and the 3# reducer R3 in sequence, and the winding drum D is driven to output torque at a low speed of a rotating speed n 2; when the 1# hydraulic motor AB works, the 1# brake Z1 and the 2# clutch L2 are opened by feeding oil, the 1# hydraulic motor AB sequentially passes through the 1# clutch L1 and the 1# speed reducer R1 to output torque to the winding drum D, the winding drum D outputs torque at a high speed of the rotating speed n1, meanwhile, the 2# speed reducer R2 and the 2# hydraulic motor A1B1 are separated from the 3# speed reducer R3 and the winding drum D through the 2# clutch L2, and when the 1# hydraulic motor AB works, the 2# speed reducer R2 cannot rotate at a high speed, so that the loss of the 2# speed reducer R2 is reduced, and the service life of the hydraulic motor AB is prolonged.
Please refer to fig. 2, which is a schematic structural diagram of an embodiment of the present invention, including: frame (31), reel (32), the left side of reel (32) sets up high-speed hydraulic motor assembly, including integrated transmission connection in proper order: a 1# motor (1), a 1# brake (2), a 1# clutch (6) and a 1# gear box (9); the right side of reel (32) sets up low-speed hydraulic motor assembly, including integrated transmission connection in proper order: a # 2 motor (36), a # 2 brake (35), a # 2 transmission (34), a # 2 clutch (33) and a # 2 gearbox (43). The automatic control system has two working conditions, wherein a 1# motor (1) operates at one moment, a 1# brake (2) and a 2# clutch (33) are opened by oil inlet, and a winding drum (32) rotates at a high speed under the driving of the 1# motor (1); under the second working condition, the 2# motor (36) operates, the 2# brake (35) and the 1# clutch (6) are opened by oil inlet, and the winding drum (32) rotates at a low speed under the driving of the 2# motor (36); the 1# gear box (9) and the 2# gear box (43) are both shell-rotating type III-stage planetary reducers, the 2# transmission device (34) is an I-stage planetary reducer, the reduction ratio of the 1# gear box (9) is 82.5, the reduction ratio of the 2# gear box (43) is 86, and the reduction ratio of the 2# transmission device (34) is 10.
The specific working principle is as follows:
working condition one (high rotational speed output):
the 1# motor (1) works, the 1# brake oil cylinder (4) is fed with oil, the 1# brake piston (3) is pushed to enable a movable plate and a fixed plate of a friction plate of the 1# brake piston to be loosened, so that the braking state of the 1# brake (2) is relieved, the 1# clutch (6) is in a closed state at the moment, the 1# motor (1) enables a 1# gear box spline sleeve (8) to drive a 1# first-level sun gear (19) to rotate through a 1# brake spline output gear (5) and a 1# clutch spline gear (7), and the 1# first-level sun gear (19) drives a 1# first-level planet carrier (18) to rotate through a 1# first-level planet gear (20). Because the 1# first-stage planet carrier (18) is matched with the 1# second-stage sun gear (17), the 1# second-stage sun gear (17) is matched with the 1# second-stage planet gear (15), the 1# second-stage planet carrier (16) is matched with the 1# third-stage sun gear (14), the three 1# sun gear (14) is matched with the 1# third-stage planet gear (13), and the 1# third-stage planet carrier (11) is connected and fixed with the 1# support flange (10), the 1# first-stage planet carrier (18) sequentially passes through the 1# second-stage sun gear (17), the 1# second-stage planet gear (15), the 1# third-stage sun gear (14) and the 1# third-stage planet gear (13) to drive the 1# inner gear (12) to rotate, and the 1# inner gear (12) is connected with the left side of the winding drum (32) through a spline, so that the winding drum (32) is driven to rotate at a high rotating speed to generate torque. When the 1# motor (1) works, the 2# brake (35) is in a closed state, the oil cylinder body of the 2# clutch (33) is filled with oil, the 2# clutch piston is pushed to act to loosen the friction plate and the static plate, so that the 2# clutch (33) is changed into an opening and closing state, the 2# motor (36) cannot drive the 2# gear box (43) to rotate through the 2# brake (35), the 2# transmission device (34) and the 2# clutch (33), and the 2# motor (36) is disengaged from the winding drum (32) and cannot rotate to generate torque.
Working condition two (low rotation speed output):
the 2# motor (36) works, the 2# brake oil cylinder (38) is filled with oil, the 2# brake piston (37) is pushed to enable a moving plate and a static plate of a friction plate of the 2# brake piston to be loosened, so that the braking state of the 2# brake (35) is relieved, the 2# motor (36) drives the 2# transmission device (34) to output torque through the 2# brake (35) and drives the 2# clutch (33) to rotate, the 1# clutch (6) is in a closed state at the moment, the 2# motor (36) drives the 2# first-stage sun gear (21) to rotate through the 2# brake spline output gear (39), the 2# clutch spline gear (40) and the 2# gearbox spline sleeve (41), and the 2# first-stage sun gear (21) drives the 2# first-stage planet carrier (23) to rotate through the 2# first-stage planet gear (22). Because the 2# first-stage planet carrier (23) is matched with the 2# second-stage sun gear (26), the 2# second-stage sun gear (26) is matched with the 2# second-stage planet gear (24), the 2# second-stage planet carrier (25) is matched with the 2# third-stage sun gear (27), the 2# third-stage sun gear (27) is matched with the 2# third-stage planet gear (28), and the 2# third-stage planet carrier (30) is connected and fixed with the 2# support flange (42), the 2# first-stage planet carrier (23) drives the 2# inner gear (29) through the 2# second-stage sun gear (26), the 2# second-stage planet gear (24), the 2# third-stage sun gear (27) and the 2# third-stage planet gear (28) in sequence, and the 2# inner gear (29) is connected with the right side of the winding drum (32) through a spline, so that the winding drum (32) rotates at a low rotating speed to generate torque. When the No. 2 motor (36) works, the No. 1 brake (2) is in a closed state, the oil cylinder body of the No. 1 clutch (6) is filled with oil, the No. 1 clutch piston is pushed to loosen the moving plate and the static plate of the friction plate, so that the No. 1 clutch (6) becomes an opening and closing state, the No. 1 motor (1) cannot drive the No. 1 gear box (9) to output torque through the No. 1 brake (2) and the No. 1 clutch (6), and the No. 1 motor (1) cannot enable the winding drum (32) to rotate to generate torque.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A double-rotating-speed output hydraulic slot milling machine winch comprises: reel, hydraulic motor assembly and hydraulic control valves, its characterized in that: the hydraulic motor assembly comprises a high-speed end hydraulic motor assembly and a low-speed end hydraulic motor assembly which are respectively connected with two sides of the winding drum in a transmission manner; the winding drum is in transmission connection with the high-speed end hydraulic motor assembly or the low-speed end hydraulic motor assembly to realize torque output, the high-speed end hydraulic motor assembly drives the winding drum to output torque at a rotating speed n1, the low-speed end hydraulic motor assembly drives the winding drum to output torque at a rotating speed n2, and the speed of the winding drum is n 1: n2 is more than or equal to 10: 1.
2. the double-rotating-speed output hydraulic slot milling machine winch is characterized in that the high-speed-end hydraulic motor assembly comprises a first hydraulic motor, a first hydraulic braking device, a first hydraulic clutch device and a first speed reducer which are sequentially connected in an integrated transmission manner;
the low-speed end hydraulic motor assembly comprises a second hydraulic motor, a second hydraulic braking device, a second speed reducing device A, a second hydraulic clutch device and a second speed reducing device B which are sequentially connected in an integrated transmission manner;
and two ends of the winding drum are respectively connected with the power output ends of the first speed reducer and the second speed reducer B in a transmission way, and the second speed reducer A and the second speed reducer B are in clutch connection through the second hydraulic clutch device.
3. The double-rotating-speed output hydraulic slot milling machine winch according to claim 2, wherein the output rotating speed of the first hydraulic motor is less than or equal to 3500r/min, and the output rotating speed of the second hydraulic motor is less than or equal to 3500 r/min; when the winding drum is in transmission connection with the high-speed end hydraulic motor assembly, the input rotating speed of the second speed reducer B is less than or equal to 3500 r/min.
4. The double-rotating-speed-output hydraulic slot milling machine winch according to claim 3, wherein the first speed reducer comprises a first planetary speed reducer, the second speed reducer B comprises a second planetary speed reducer, and the first planetary speed reducer and the second planetary speed reducer are both three-stage planetary speed reducers; and the third planetary reducer comprises a second speed reducer A, and is a first-stage planetary reducer.
5. The dual rotational speed output hydraulic slotter winch of claim 4, wherein the first planetary reducer has a reduction ratio of 82.5, the second planetary reducer has a reduction ratio of 86, and the third planetary reducer has a reduction ratio of 10.
6. The dual rotational speed output hydraulic slot milling machine winch of claim 2, wherein the drum rotates in a direction opposite to the direction of the input of the first and second hydraulic motors.
7. The double-rotation-speed output hydraulic slot milling machine winch according to claim 2, wherein the oil passages of the first hydraulic braking device and the second hydraulic clutch device are provided with linkage control, and the oil passages of the second hydraulic braking device and the first hydraulic clutch device are provided with linkage control.
8. The double-rotating-speed-output hydraulic slot milling machine winch as claimed in claim 2, wherein the hydraulic control valve sets are divided into two groups which are respectively connected with the high-speed end hydraulic motor assembly and the low-speed end hydraulic motor assembly, each group of hydraulic control valve sets comprises a forward balancing valve set, a reverse balancing valve set and a shuttle valve which is connected with the forward balancing valve set and the reverse balancing valve set in parallel, and oil ports of the forward balancing valve set and the reverse balancing valve set are connected with forward driving oil passages and reverse driving oil passages of the hydraulic motor on the controlled side; the oil outlet end of the shuttle valve is connected with the hydraulic brake device on the side and the control oil circuit of the hydraulic clutch device on the opposite side.
9. The double-rotating-speed-output hydraulic slot milling machine winch according to claim 4, wherein the first speed reducer and the second speed reducer B are both shell-rotating type planetary speed reducers, two ends of the winding drum are in transmission connection with inner gear rings of the first speed reducer and the second speed reducer B respectively, and the first speed reducer and the second speed reducer B are integrally installed inside the winding drum.
10. The double-rotating-speed output hydraulic slot milling machine winch according to claim 4, wherein the input rotating speeds of the first planetary reducer and the third planetary reducer are less than or equal to 3500 r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022999227.5U CN214218004U (en) | 2020-12-11 | 2020-12-11 | Double-rotating-speed output hydraulic slot milling machine winch |
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| CN202022999227.5U CN214218004U (en) | 2020-12-11 | 2020-12-11 | Double-rotating-speed output hydraulic slot milling machine winch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441516A (en) * | 2020-12-11 | 2021-03-05 | 宁波新宏液压有限公司 | Double-rotating-speed output hydraulic slot milling machine winch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441516A (en) * | 2020-12-11 | 2021-03-05 | 宁波新宏液压有限公司 | Double-rotating-speed output hydraulic slot milling machine winch |
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