CN212845447U - Structure for measuring rotating speed of walking motor - Google Patents
Structure for measuring rotating speed of walking motor Download PDFInfo
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- CN212845447U CN212845447U CN202021882795.0U CN202021882795U CN212845447U CN 212845447 U CN212845447 U CN 212845447U CN 202021882795 U CN202021882795 U CN 202021882795U CN 212845447 U CN212845447 U CN 212845447U
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Abstract
The utility model discloses a structure for measuring the rotating speed of a walking motor, which comprises a shaft, a motor rear cover, a rotating speed sensor and an induction gear; the induction gear is installed on the shaft through a flat key, the shaft and the induction gear are both located inside the motor rear cover, the rotating speed sensor is installed inside the motor rear cover, and the rotating speed sensor is connected with the induction gear. And the shaft is provided with a retaining ring for preventing the induction gear from axially disengaging. The utility model discloses reduce walking motor volume reduce cost. The structure for measuring the rotating speed of the walking motor is characterized in that a rotating speed sensor and related parts required for measuring the rotating speed of the walking motor are integrated on the rear cover of the motor, so that the size and the weight of the walking motor are reduced.
Description
Technical Field
The utility model belongs to the technical field of the walking motor technique and specifically relates to a measure structure of walking motor rotational speed.
Background
The walking motor is an important component of the excavator and can be widely used in various engineering machines, such as: road rollers, loaders, pavers, and the like. The structure of the hydraulic oil cylinder mainly comprises a motor rear cover, a plunger piston shoe assembly, a swash plate, a shaft, a cylinder body, a valve plate and the like. When the walking device works, the rotating speed of the walking device needs to be measured, and a rotating speed sensor and a related induction structure are placed on the outer portion of the rear cover in the traditional walking motor rotating speed measurement. The structure is too large in volume and heavy in weight, and the installation space of the structure is limited; the sealing surfaces are too many, the possibility of hydraulic oil leakage is increased, the structure is complex, and the cost is too high.
Publication (bulletin) No.: CN202038179U, publication (public notice) day: 2011-11-16 belongs to the field of speed-limiting protection devices of hydraulic traveling motors of wheeled vehicles. The speed-limiting protection device for the hydraulic traveling motor of the wheeled vehicle comprises a rotating speed sensor and a controller connected with the sensor, wherein an electric control switch is connected between the controller and an electromagnetic valve in series; the controller is composed of a signal acquisition module, a calculation module, a data storage module, a judgment module and an execution module, wherein the data storage module is connected with the judgment module, and other modules are sequentially connected. The utility model discloses can guarantee "walking motor" also can not overspeed at any time to guarantee normal life, both improved economic benefits, improved the security again.
Publication (bulletin) No.: CN210033888U, publication (public notice) day: 2020-02-07 discloses a rotating speed automatic control system of an impurity removing fan of a sugarcane combine harvester, which comprises pressure sensors arranged on a walking motor, a cutter motor, a cutting motor and a fan motor and rotating speed sensors arranged on the walking motor and the fan motor, wherein the output ends of the four pressure sensors and the two rotating speed sensors are connected with the input end of a control unit, the output end of the control unit is connected with the input end of a proportional amplifier, and the output end of the proportional amplifier is electrically connected with a proportional flow valve for controlling the rotating speed of the fan motor. The utility model discloses control system can discern sugarcane combine's three kinds of different operating condition to go out fan target rotational speed value according to the operating condition matching, and make the fan rotational speed reach target rotational speed value through the valve port aperture of adjusting proportional flow valve, thereby reduce sugarcane trash content rate and the loss rate of sugarcane harvester, whole control process automation degree is high moreover, and the accuracy is good, stability is high, simple structure has actual using value.
Publication (bulletin) No.: CN105864228B, publication (public notice) day: 2017-08-25 discloses an electromechanical liquid speed control system of a working vehicle, which comprises a group of electromechanical liquid systems, the system is provided with a walking hydraulic motor and a working device hydraulic motor, a speed sensor, a controller, a stepping motor and a rotating speed adjusting device are sequentially arranged between the walking hydraulic motor and the working device hydraulic motor, the speed sensor detects the rotating speed of the walking hydraulic motor, the controller receives a rotating speed signal and calculates the target rotating speed of the working device hydraulic motor according to a speed ratio formula of the walking hydraulic motor and the working device hydraulic motor, so that the stepping motor is controlled to output the target rotating speed of the working device hydraulic motor to the rotating speed adjusting device and is compared with the actual rotating speed of the working device hydraulic motor detected by the rotating speed adjusting device, and a comparison value controls the opening size of a flow regulator through an adjusting output port of the rotating speed adjusting device, the rotation speed of the hydraulic motor of the working device can track the rotation speed of the hydraulic motor of the walking device so as to keep the rotation speed ratio of the hydraulic motor of the working device and the walking device within a specified range
In a word, above technical scheme of the disclosure and the technical problem that will solve and the beneficial effect who produces all with the utility model discloses inequality, perhaps technical field or application are different, are directed against the utility model discloses more technical problem and the beneficial effect that will solve, above all there is not technological inspiration in the technical document of disclosing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structure of measuring walking motor rotational speed to the above-mentioned defect that prior art exists, reduce walking motor volume reduce cost. The structure for measuring the rotating speed of the walking motor is characterized in that a rotating speed sensor and related parts required for measuring the rotating speed of the walking motor are integrated on the rear cover of the motor, so that the size and the weight of the walking motor are reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a structure for measuring the rotating speed of a walking motor comprises a shaft, a motor rear cover, a rotating speed sensor and an induction gear; the induction gear is installed on the shaft through a flat key, the shaft and the induction gear are both located inside the motor rear cover, the rotating speed sensor is installed inside the motor rear cover, and the rotating speed sensor is connected with the induction gear.
Furthermore, a retaining ring for preventing the induction gear from axially disengaging is arranged on the shaft.
Furthermore, the motor rear cover is provided with a mounting hole for mounting a rotating speed sensor.
Furthermore, a center hole is formed in the center of the rear cover of the motor, and a cover plate is installed in the center hole.
Compared with the prior art, the utility model following beneficial effect has:
the structure of a motor rear cover and a working shaft of the walking motor is improved, and a rotating speed sensor is additionally arranged after the structure of the motor rear cover of the walking motor is improved; the working shaft is lengthened, the induction gear is fixed at the top end of the shaft through a flat key and a retainer ring, and finally the top of the rear cover of the motor is sealed by a cover plate. The invention has small volume, simple structure, accurate data reading and low cost.
The structure of the rear cover of the motor is improved, and a rotating speed sensor for measuring the walking motor and a related structure are integrated in the rear cover of the motor.
The rear cover of the motor is changed, the working shaft is lengthened, the induction gear is installed at the top end of the working shaft, and the purpose of measuring the rotating speed of the walking motor is achieved through rotation of the induction gear. And sealed to the top of the rear cover by the cover plate. The structure has the advantages of simple structure, small volume, low cost and the like.
Drawings
Fig. 1 is a schematic diagram of a structure for measuring the rotating speed of a walking motor according to the present invention.
In the figure: the device comprises a motor rear cover 1, a rotating speed sensor 2, a shaft 3, an induction gear 4, a flat key 5, a cover plate 6 and a retainer ring 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a structure for measuring the rotating speed of a walking motor comprises a shaft 3, a motor rear cover 1, a rotating speed sensor 2 and an induction gear 4; the induction gear is installed on the shaft through a flat key 5, wherein the shaft and the induction gear are both located inside the motor rear cover, the rotating speed sensor is installed inside the motor rear cover, and the rotating speed sensor and the induction gear are connected with each other.
Further, a retainer ring 7 for preventing the induction gear from axially falling off is arranged on the shaft.
Furthermore, the motor rear cover is provided with a mounting hole for mounting a rotating speed sensor.
Furthermore, a center hole is formed in the center of the rear cover of the motor, and a cover plate 6 is installed in the center hole.
First, when the traveling motor is operated, high-pressure oil flows into the cylinder through the inlet hole of the port plate, and then the generated hydraulic pressure acts on the plunger assembly and drives the shaft 3 to rotate, so that the entire traveling motor starts to rotate. The rotating speed of the walking motor is measured, an external rotating speed sensor 2 is needed, the structure of the motor rear cover 1 is changed, the shaft 3 is lengthened, the sensing gear 4 for data acquisition is fixed on the top end of the shaft 3 through the flat key 5 and the check ring 7, the motor rear cover 1 is integrated inside, and the top end of the motor rear cover 1 is sealed by the cover plate 6. The walking motor working shaft 3 rotates to drive the induction gear 4 to rotate, and a rotation signal is transmitted to the rotation speed sensor 2 so as to achieve the purpose of measuring the rotation speed of the walking motor.
Through the change of structure, can reduce the whole volume of walking motor to reach reduce cost's purpose, and built-in response structure, conversion structure is few, and data reading is more accurate, and sealed face reduces, can reduce the possibility of hydraulic oil seepage.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A structure for measuring the rotating speed of a walking motor comprises a shaft, a motor rear cover, a rotating speed sensor and an induction gear; the motor rear cover is characterized in that the induction gear is installed on the shaft through a flat key, the shaft and the induction gear are both located inside the motor rear cover, the rotating speed sensor is installed inside the motor rear cover, and the rotating speed sensor is connected with the induction gear.
2. The structure for measuring a rotation speed of a traveling motor according to claim 1, wherein a retainer ring for preventing the sensing gear from being axially removed is installed on the shaft.
3. The structure for measuring the rotating speed of a traveling motor according to claim 1 or 2, wherein the motor rear cover is provided with a mounting hole for mounting a rotating speed sensor.
4. The structure for measuring the rotating speed of a traveling motor according to claim 3, wherein a center hole is formed in the center of the motor rear cover, and a cover plate is installed in the center hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021882795.0U CN212845447U (en) | 2020-09-01 | 2020-09-01 | Structure for measuring rotating speed of walking motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021882795.0U CN212845447U (en) | 2020-09-01 | 2020-09-01 | Structure for measuring rotating speed of walking motor |
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| CN212845447U true CN212845447U (en) | 2021-03-30 |
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| CN202021882795.0U Active CN212845447U (en) | 2020-09-01 | 2020-09-01 | Structure for measuring rotating speed of walking motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514660A (en) * | 2021-06-08 | 2021-10-19 | 中航力源液压股份有限公司 | Device and method for monitoring rotating speed of axial plunger motor |
| CN115478977A (en) * | 2022-09-29 | 2022-12-16 | 青岛力克川液压机械有限公司 | Hydraulic motor device capable of acquiring output rotating speed in real time |
-
2020
- 2020-09-01 CN CN202021882795.0U patent/CN212845447U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514660A (en) * | 2021-06-08 | 2021-10-19 | 中航力源液压股份有限公司 | Device and method for monitoring rotating speed of axial plunger motor |
| CN115478977A (en) * | 2022-09-29 | 2022-12-16 | 青岛力克川液压机械有限公司 | Hydraulic motor device capable of acquiring output rotating speed in real time |
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| CP03 | Change of name, title or address |
Address after: 276000 112 Changlin West Street, Linshu County, Linyi City, Shandong Province Patentee after: Shandong Zhongrun Hydraulic Machinery Co.,Ltd. Patentee after: SHANDONG CHANGLIN MACHINERY GROUP Co.,Ltd. Address before: 276715 No. 112, Changlin West Street, Linshu County, Linyi City, Shandong Province Patentee before: SHANDONG CCHC HYDRAULICS CO.,LTD. Patentee before: SHANDONG CHANGLIN MACHINERY GROUP Co.,Ltd. |