Hydraulic motor driving mechanism

Abstract

The utility model discloses a hydraulic motor driving mechanism, which belongs to the technical field of hydraulic systems and comprises a first hydraulic oil tank, a hydraulic pump and a hydraulic motor. The first hydraulic oil tank is communicated with an oil return connector and an oil outlet connector, the oil outlet connector is communicated with an oil inlet of a motor hydraulic oil pump through a connecting pipe, an oil outlet of the motor hydraulic oil pump is communicated with an oil inlet of a first manual distributor, and an oil outlet of the first manual distributor is communicated with an oil inlet of a second manual distributor. One manual distributor controls one hydraulic motor to drive and rotate, and by parity of reasoning, a plurality of manual distributors control a plurality of hydraulic motors to complete the driving and rotating work, any one hydraulic motor can be driven, a plurality of hydraulic motors can also be driven to rotate at the same time, and driving and rotating are automatically stopped under the overload condition. Positive and negative rotation adjustment can be freely switched according to operation conditions, random starting can be achieved on the premise of loads, the safety coefficient is high, and operation is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic systems, in particular to a hydraulic motor drive mechanism. Background Art

[0002] Hydraulic systems are used to convert fluid energy, such as fluid pressure, into mechanical energy. Fluid power can be transferred from a hydraulic pump to one or more hydraulic actuators through a fluid conduit. Hydraulic actuators may include hydraulic motors that convert fluid power into shaft rotational power, hydraulic cylinders that convert fluid power into translational motion, and the like.

[0003] The existing electric motor drive system is limited in the running direction of the driving device and the load range during use, and cannot switch the direction of rotation according to demand when driving multiple devices. For this reason, a hydraulic motor drive mechanism is proposed. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, one purpose of the utility model is to propose a hydraulic motor drive mechanism, which can be switched in forward and reverse directions at will for operation, is convenient and flexible to use, can flexibly start the number of hydraulic motors under different loads, has a high safety factor and stable operation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic motor drive mechanism, including a first hydraulic oil tank and a hydraulic oil pump, a hydraulic pump, the first hydraulic oil tank is connected to an oil return interface and an oil outlet interface, the oil outlet interface is connected to an oil inlet of a motor hydraulic oil pump through a connecting pipe, the oil outlet of the motor hydraulic oil pump is connected to an oil inlet of a first manual distributor, the oil outlet of the first manual distributor is connected to an oil inlet of a second manual distributor, and the first manual distributor and the second manual distributor are respectively provided with oil ports connecting the first hydraulic motor and the second hydraulic motor on their exteriors. Terminals, the oil port terminals of the first hydraulic motor and the second hydraulic motor are connected with the oil port terminals of the first manual distributor and the second manual distributor except the oil inlet and the oil outlet through connecting pipes, a coupling is fixedly installed on the end of the output shaft of the second hydraulic motor, the input shaft of the hydraulic pump is fixedly installed on the other end of the coupling, the oil inlet of the hydraulic pump is connected with the oil outlet of the second hydraulic oil tank through a connecting pipe, the oil outlet of the hydraulic pump is connected with the oil inlet of the third manual distributor, and the oil inlet of the second hydraulic oil tank is connected with the oil outlet of the fourth manual distributor.

[0007] Preferably, the oil outlet of the third manual dispenser is connected to the oil inlet of the fourth manual dispenser through a connecting pipe.

[0008] Preferably, the third manual distributor and the fourth manual distributor are respectively connected to the oil port terminals of the third hydraulic motor and the fourth hydraulic motor through oil port terminal connecting pipes other than the oil inlet and the oil outlet.

[0009] Preferably, the first hydraulic oil tank and the motor hydraulic oil pump form a mother hydraulic pump station.

[0010] Preferably, the second hydraulic motor, the coupling, the hydraulic pump and the second hydraulic oil tank form a sub-hydraulic pump station.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model realizes that a manual distributor controls a hydraulic motor to drive the rotation work, and by analogy, multiple manual distributors control multiple hydraulic motors to complete the driving rotation work. Any one of them can be driven, and multiple hydraulic motors can be driven to rotate at the same time. The driving rotation will be automatically stopped in the case of overload. The forward and reverse rotation can be switched at will according to the operating conditions, and it can be started at will under load. It has a high safety factor and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The structure diagram of the hydraulic motor drive mechanism of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The structure diagram of the hydraulic motor drive mechanism of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 It is a structural schematic diagram of the first hydraulic oil tank in the hydraulic motor drive mechanism of the utility model.

[0016] In the figure: 10, first hydraulic oil tank; 101, return oil interface; 102, oil outlet interface; 11, motor hydraulic oil pump; 12, first manual distributor; 13, first hydraulic motor; 14, second manual distributor; 20, second hydraulic motor; 21, coupling; 22, hydraulic pump; 23, second hydraulic oil tank; 24, third manual distributor; 25, third hydraulic motor; 26, fourth manual distributor; 27, fourth hydraulic motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 3 The embodiment of the utility model provides a hydraulic motor drive mechanism, including: a first hydraulic oil tank 10, a second hydraulic motor 20, and a hydraulic pump 22. The first hydraulic oil tank 10 is connected with an oil return interface 101 and an oil outlet interface 102. The oil outlet interface 102 is connected with an oil inlet of a motor hydraulic oil pump 11 through a connecting pipe. The oil outlet of the motor hydraulic oil pump 11 is connected with an oil inlet of a first manual distributor 12. The oil outlet of the first manual distributor 12 is connected with an oil inlet of a second manual distributor 14. The first manual distributor 12 and the second manual distributor 14 are respectively provided with oil port terminals for connecting the first hydraulic motor 13 and the second hydraulic motor 20 in addition to the oil inlet and the oil outlet. The oil ports of the first hydraulic motor 13 and the second hydraulic motor 20 are connected to the oil outlet of the motor hydraulic oil pump 11 through a connecting pipe. The terminal is connected with the oil port terminals of the first manual distributor 12 and the second manual distributor 14 except the oil inlet and the oil outlet through a connecting pipe. The output shaft end of the second hydraulic motor 20 is fixedly installed with a coupling 21. The input shaft of the hydraulic pump 22 is fixedly installed at the other end of the coupling 21. The oil inlet of the hydraulic pump 22 is connected with the oil outlet of the second hydraulic oil tank 23 through a connecting pipe. The oil outlet of the hydraulic pump 22 is connected with the oil inlet of the third manual distributor 24. The oil inlet of the second hydraulic oil tank 23 is connected with the oil outlet of the fourth manual distributor 26. The oil port terminals of the third manual distributor 24 and the fourth manual distributor 26 except the oil inlet and the oil outlet are respectively connected with the oil port terminals of the third hydraulic motor 25 and the fourth hydraulic motor 27 through connecting pipes.

[0019] When in use, the first hydraulic oil tank 10 and the motor hydraulic oil pump 11 form a main hydraulic pump station, and the second hydraulic motor 20, the coupling 21, the hydraulic pump 22 and the second hydraulic oil tank 23 form a sub-hydraulic pump station.

[0020] The oil outlet interface 102 of the first hydraulic oil tank 10 of the utility model is connected to the oil inlet of the motor hydraulic oil pump 11 through the oil delivery connecting pipe, the oil outlet of the motor hydraulic oil pump 11 is connected to the oil inlet of the first manual distributor 12 through the oil delivery connecting pipe, and the two oil port terminals of the first manual distributor 12 are connected to the two oil port terminals of the first hydraulic motor 13 through the oil delivery connecting pipe, and the two oil port terminals include an oil inlet terminal and an oil return terminal, and the oil is returned to the first manual distributor 12. The first hydraulic motor 13 is rotated by operating the handle of the first manual distributor 12, and the output shaft of the first hydraulic motor 13 can be connected to the power input shaft of other rotating equipment.

[0021] The oil outlet of the first manual distributor 12 is connected in parallel to the oil inlet of the second manual distributor 14 through an oil delivery connecting pipe, and the two oil port terminals on the second manual distributor 14 are connected to the two oil port terminals of the second hydraulic motor 20, which include an oil inlet terminal and an oil return terminal. The oil is returned to the second manual distributor 14, and the second hydraulic motor 20 is rotated by operating the handle of the second manual distributor 14. The oil outlet of the second manual distributor 14 is connected to the oil return interface 101 of the first hydraulic oil tank 10. The output shaft of the second hydraulic motor 20 can be connected to the power input shaft of other rotating equipment.

[0022] The second hydraulic motor 20 and the hydraulic pump 22 are connected by a coupling 21 to form a sub-hydraulic pump station. In the utility model, the oil outlet of the second hydraulic oil tank 23 is connected to the oil inlet of the hydraulic pump 22 through an oil delivery connecting pipe, the oil outlet of the hydraulic pump 22 is connected to the oil inlet of the third manual distributor 24 through an oil delivery connecting pipe, and the two oil port terminals of the third manual distributor 24 are connected to the two oil port terminals of the third hydraulic motor 25 through an oil delivery connecting pipe. The two oil port terminals include an oil inlet terminal and an oil return terminal, and the oil is returned to the third manual distributor 24. The third hydraulic motor 25 is rotated by operating the handle of the third manual distributor 24. The output shaft of the third hydraulic motor 25 can be connected to the power input shaft of other rotating equipment.

[0023] The oil outlet of the third manual distributor 24 is connected in parallel to the oil inlet of the fourth manual distributor 26 through an oil delivery connecting pipe, and the two oil port terminals on the fourth manual distributor 26 are connected to the two oil port terminals of the fourth hydraulic motor 27, which include an oil inlet terminal and an oil return terminal. The oil is returned to the fourth manual distributor 26, and the fourth hydraulic motor 27 is rotated by operating the handle of the fourth manual distributor 26. The oil outlet of the fourth manual distributor 26 is connected to the oil return port of the second hydraulic oil tank 23. The output shaft of the fourth hydraulic motor 27 can be connected to the power input shaft of other rotating equipment.

[0024] According to the above technical solution, the working steps of this solution are summarized and sorted out: the utility model is composed of a first hydraulic oil tank 10 and a motor hydraulic oil pump 11 to form a mother hydraulic pump station, the output shaft of the first hydraulic motor 13 can be connected to the power input shaft of other rotating equipment, and the output shaft of the second hydraulic motor 20 can be connected to the power input shaft of other rotating equipment. The second hydraulic motor 20, the coupling 21, the hydraulic pump 22 and the second hydraulic oil tank 23 form a sub-hydraulic pump station, and the third hydraulic motor 25 is rotated by the handle of the third manual distributor 24. The output shaft of the third hydraulic motor 25 can be connected to the power input shaft of other rotating equipment, and the rotation of the fourth hydraulic motor 27 is operated by the handle of the fourth manual distributor 26, and the output shaft of the fourth hydraulic motor 27 can be connected to the power input shaft of other rotating equipment.

[0025] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hydraulic motor drive mechanism, comprising a first hydraulic oil tank (10), a second hydraulic motor (20), and a hydraulic pump (22), characterized in that: The first hydraulic oil tank (10) is connected to an oil return interface (101) and an oil outlet interface (102); the oil outlet interface (102) is connected to an oil inlet of a motor hydraulic oil pump (11) through a connecting pipe; the oil outlet of the motor hydraulic oil pump (11) is connected to an oil inlet of a first manual distributor (12); the oil outlet of the first manual distributor (12) is connected to an oil inlet of a second manual distributor (14); the first manual distributor (12) and the second manual distributor (14) are provided with oil port terminals for connecting the first hydraulic motor (13) and the second hydraulic motor (20) on the outside, respectively; the two oil port terminals of the first hydraulic motor (13) and the second hydraulic motor (20) are connected to the two oil port terminals of the first manual distributor (12) and the second manual distributor (14) other than the oil inlet and the oil outlet through a connecting pipe; A coupling (21) is fixedly mounted on the end of the output shaft of the second hydraulic motor (20); an input shaft of the hydraulic pump (22) is fixedly mounted on the other end of the coupling (21); an oil inlet of the hydraulic pump (22) is connected to an oil outlet of a second hydraulic oil tank (23) via a connecting pipe; an oil outlet of the hydraulic pump (22) is connected to an oil inlet of a third manual distributor (24); and an oil inlet of the second hydraulic oil tank (23) is connected to an oil outlet of a fourth manual distributor (26).

2. The hydraulic motor drive mechanism according to claim 1, characterized in that: The oil outlet of the third manual distributor (24) is connected to the oil inlet of the fourth manual distributor (26) via a connecting pipe.

3. The hydraulic motor drive mechanism according to claim 1, characterized in that: The third manual distributor (24) and the fourth manual distributor (26) are respectively connected to the oil port terminals of the third hydraulic motor (25) and the fourth hydraulic motor (27) through oil port terminal connecting pipes other than the oil inlet and the oil outlet.

4. The hydraulic motor drive mechanism according to claim 1, characterized in that: The first hydraulic oil tank (10) and the motor hydraulic oil pump (11) form a mother hydraulic pump station.

5. The hydraulic motor drive mechanism according to claim 1, characterized in that: The second hydraulic motor (20), the coupling (21), the hydraulic pump (22) and the second hydraulic oil tank (23) form a sub-hydraulic pump station.

Images