Connecting device for speed measurement test

Abstract

The utility model provides a connecting device for a speed measurement test, which belongs to the technical field of speed measurement test supports and comprises a support frame, a storage box and a speed measurement assembly. One side of the support frame is connected with the transmission device, and the other side is fixedly connected with the equipment main body; a power output shaft of the transmission device extends into the supporting frame and is in power connection with the shaft end of the equipment body. An oil inlet is formed in the supporting frame and communicates with an inner containing cavity of the equipment body. The storage box is fixed on the support frame; the storage box is communicated with the oil inlet; the speed measuring assembly comprises a speed measuring gear arranged on the power output shaft and a speed measuring sensor fixed to the storage box, and the speed measuring sensor is arranged towards the speed measuring gear. Pre-stored medium oil in the storage box enters the inner containing cavity through the oil inlet and makes contact with the shaft end of the equipment body. According to the connecting device for the speed measurement test, the pre-stored medium oil can enter through the shaft end of the equipment main body, the requirement of an independent test can be met, the operation is convenient, and the adaptability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of speed measurement test brackets, and more specifically relates to a connecting device for speed measurement tests. Background Art

[0002] When conducting a speed test on a pump product, the transmission device part needs to be connected to the equipment part, wherein a connecting frame is provided between the transmission device part and the equipment part to support the transmission shaft; during the transmission process, the medium oil needs to be input from the shaft end of the transmission shaft to the equipment part.

[0003] In the prior art, due to space and pipeline limitations of the equipment part, the transmission end of the equipment part cannot enter the medium oil when conducting a separate test. Therefore, in some cases, the test requirements cannot be met, affecting the measurement of experimental data. Utility Model Content

[0004] The purpose of the utility model is to provide a connection device for speed test, aiming to solve the technical problem that the equipment part of the existing speed test device is inconvenient to input medium oil into the shaft end of the transmission shaft during the test and has poor adaptability.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a connection device for speed measurement test, comprising:

[0006] A support frame, one side of which is used to connect to the transmission device and the other side of which is used to be fixedly connected to the device body; the power output shaft of the transmission device extends into the support frame and is dynamically connected to the shaft end of the device body; the support frame is provided with an oil inlet, which is connected to the internal cavity of the device body;

[0007] a storage box fixed on the support frame; the storage box is connected to the oil inlet; and

[0008] A speed measuring assembly, comprising a speed measuring gear provided on the power output shaft, and a speed measuring sensor fixed on the storage box, wherein the speed measuring sensor is arranged toward the speed measuring gear;

[0009] The pre-stored medium oil in the storage box enters the internal cavity through the oil inlet and contacts the shaft end of the equipment body.

[0010] In a possible implementation, the support frame includes:

[0011] A first connecting plate is fixedly connected to the device body; the first connecting plate is provided with the oil inlet;

[0012] A second connecting plate is arranged parallel to and spaced apart from the first connecting plate; the second connecting plate is fixedly connected to the transmission device; and

[0013] The connecting column extends along the axial direction of the power output shaft, and has two ends correspondingly connected to the first connecting plate and the second connecting plate.

[0014] In some embodiments, a receiving cavity communicating with the oil inlet is provided in the connecting column, so that the connecting column forms the storage box.

[0015] In a possible implementation, there are multiple storage tanks, which are arranged at circumferential intervals around the power output shaft; there are multiple oil inlets, which correspond one-to-one to the multiple storage tanks.

[0016] In some embodiments, one of the storage boxes is connected to an inlet pipe, and a fixed plate is provided at one end of the inlet pipe away from the storage box; and an oil window is provided on the top of the storage box.

[0017] In one possible implementation, the speed test connection device also includes an elastic shaft, one end of which is connected to the insertion end of the power output shaft, and the other end is dynamically connected to the shaft end of the equipment body, so that the power output shaft is dynamically connected to the shaft end of the equipment body.

[0018] In some embodiments, both ends of the elastic shaft are connected to the shaft ends of the power output shaft and the device body through splines.

[0019] Exemplarily, a transmission sleeve is provided between the power output shaft and the speed measuring gear.

[0020] In a possible implementation, a mounting plate is provided on the storage box, one end of the mounting plate extends toward the insertion end of the power output shaft and is connected to the speed sensor.

[0021] In some embodiments, the mounting plate includes a fixed plate and a telescopic plate slidably connected to the fixed plate along a vertical direction, and a limiting member is provided between the telescopic plate and the fixed plate.

[0022] Compared with the prior art, the solution shown in the embodiment of the present application can connect the equipment main body and the transmission device through the support frame, and can monitor the speed measuring gear in real time through the speed sensor to complete the speed measurement task, so as to accurately monitor the rotational speed and improve the accuracy of the test; at the same time, the storage box is used to input pre-stored medium oil into the internal cavity of the equipment main body through the oil inlet, so that the pre-stored medium oil enters through the shaft end of the equipment main body, which can conveniently meet the requirements of individual tests, is easy to operate, and has good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 A schematic structural diagram of a connection device for a speed measurement test provided by an embodiment of the present utility model;

[0025] Figure 2 A schematic cross-sectional view of a connection device for a speed measurement test according to an embodiment of the present invention;

[0026] Figure 3 A schematic structural diagram of a mounting plate provided in an embodiment of the present utility model.

[0027] In the figure: 1. Support frame; 11. First connecting plate; 111. Oil inlet; 12. Second connecting plate; 2. Storage box; 21. Mounting plate; 211. Fixed plate; 212. Telescopic plate; 213. Limiting member; 3. Speed ​​measuring assembly; 31. Speed ​​measuring gear; 32. Speed ​​measuring sensor; 4. Transmission device; 41. Power output shaft; 5. Equipment body; 6. Inlet pipe; 61. Fixed plate; 7. Elastic shaft; 8. Drive shaft sleeve; 9. Oil seal. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms “length”, “width”, “upper”, “lower”, “front”, “back”, “top”, “bottom”, “inside”, “outside”, etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the present invention.

[0030] The terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as implying or suggesting relative importance or an indicated number of technical features. Thus, features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified.

[0031] Please refer to Figures 1 to 3 The connecting device for speed test comprises a support frame 1, a storage box 2 and a speed measuring assembly 3. One side of the support frame 1 is used for being connected with a transmission device 4, and the other side is used for being fixedly connected with a device main body 5. A power output shaft 41 of the transmission device 4 extends into the support frame 1 and is connected with a shaft end power of the device main body 5. An oil inlet 111 is arranged on the support frame 1 and is communicated with an internal cavity of the device main body 5. The storage box 2 is fixed on the support frame 1. The storage box 2 is communicated with the oil inlet 111. The speed measuring assembly 3 comprises a speed measuring gear 31 arranged on the power output shaft 41 and a speed measuring sensor 32 fixed on the storage box 2, and the speed measuring sensor 32 is arranged towards the speed measuring gear 31. The pre-stored medium oil in the storage box 2 enters the internal cavity through the oil inlet 111 and is in contact with the shaft end of the device main body 5.

[0032] It should be noted that the speed measuring sensor 32 is used for monitoring the rotating speed through the speed measuring gear 31, and the specific structure and speed measuring principle of the speed measuring sensor 32 both belong to the prior art, and will not be described again.

[0033] In addition, the oil inlet 111 penetrates through one side of the support frame 1 along the axial direction of the power transmission shaft and is communicated with the internal cavity of the device main body 5, so as to deliver the pre-stored medium oil to the shaft end of the device main body 5.

[0034] It should be understood that the pre-stored medium oil needs to be delivered into the storage box 2 through an oil pump and delivered to the shaft end of the device main body 5 through the oil inlet 111.

[0035] Compared with the prior art, the connecting device for speed test can connect the device main body 5 and the transmission device 4 through the support frame 1 and can monitor the speed measuring gear 31 in real time through the speed measuring sensor 32 to complete the speed measuring task, so as to accurately monitor the rotating speed and improve the accuracy of the test. Meanwhile, the storage box 2 is used for inputting the pre-stored medium oil into the internal cavity of the device main body 5 through the oil inlet 111, so that the pre-stored medium oil enters through the shaft end of the device main body 5, which can conveniently meet the requirements of the individual test, is convenient to operate and has good adaptability.

[0036] Please refer to Figure 1In some possible embodiments, the support frame 1 includes a first connecting plate 11, a second connecting plate 12 and a connecting column; the first connecting plate 11 is fixedly connected to the equipment body 5; the first connecting plate 11 is provided with an oil inlet 111; the second connecting plate 12 is parallel to the first connecting plate 11 and is spaced apart; the second connecting plate 12 is fixedly connected to the transmission device 4; the connecting column extends along the axial direction of the power output shaft 41, and its two ends are correspondingly connected to the first connecting plate 11 and the second connecting plate 12.

[0037] Specifically, the first connecting plate 11 and the second connecting plate 12 are used to be fixed to the equipment body 5 and the transmission device 4 respectively; the connecting column is used to connect the first connecting plate 11 and the second connecting plate 12 to achieve stable support of the first connecting plate 11 and the second connecting plate 12.

[0038] As a specific embodiment of the above-mentioned storage box 2, the storage box 2 is fixed on the connecting column, and the outlet of the storage box 2 covers the oil inlet 111 on the first connecting plate 11; at this time, the connecting column and the storage box 2 are two different components. Optionally, there are multiple connecting columns, and the multiple connecting columns are evenly distributed between the first connecting plate 11 and the second connecting plate 12.

[0039] See also Figure 1 As a specific embodiment of the above-mentioned storage box 2, a receiving cavity connected to the oil inlet 111 is provided in the connecting column, so that the connecting column forms the storage box 2.

[0040] At this time, the connecting column and the storage box 2 are the same component. On the one hand, the storage box 2 can play the role of supporting the first connecting plate 11 and the second connecting plate 12 of the connecting column; on the other hand, a accommodating cavity is provided inside the storage box 2, which can be used to form a channel for pre-stored medium oil so as to introduce the pre-stored medium oil into the axial end of the equipment body 5.

[0041] See also Figure 1 In some possible embodiments, there are multiple storage tanks 2, and the multiple storage tanks 2 are arranged at circumferential intervals around the power output shaft 41; there are multiple oil inlets 111, and the multiple oil inlets 111 correspond one-to-one to the multiple storage tanks 2.

[0042] By arranging a plurality of storage boxes 2 at intervals, the pre-stored medium oil can be transported to the internal volume of the equipment body 5 in multiple directions, thereby ensuring the oil supply to the shaft end of the equipment body 5.

[0043] See also Figure 1 In some embodiments, an inlet pipe 6 is connected to one of the storage boxes 2, and a fixed plate 61 is provided at one end of the inlet pipe 6 away from the storage box 2; an oil window is provided on the top of the storage box 2.

[0044] A fixing plate 61 secures the inlet pipe 6 to the oil outlet pipe of the external oil delivery assembly, ensuring stable oil delivery. An oil window is provided on the top storage tank 2 to allow for observation of the amount of pre-stored medium oil within the storage tank 2, allowing for timely monitoring of the pre-stored medium oil during operation.

[0045] Preferably, two storage boxes 2 are provided, and the two storage boxes 2 are correspondingly arranged on the upper and lower sides of the power output shaft 41; two oil inlets 111 are provided, and the two oil inlets 111 correspond one-to-one to the two storage boxes 2.

[0046] The storage box 2 at the bottom is connected to an inlet pipe 6 , and a fixing plate 61 is provided at one end of the inlet pipe 6 away from the storage box 2 ; and an oil window is provided on the storage box 2 at the top.

[0047] See also Figure 1 In some possible embodiments, the speed test connection device also includes an elastic shaft 7, one end of the elastic shaft 7 is connected to the insertion end of the power output shaft 41, and the other end is dynamically connected to the shaft end of the equipment body 5 to achieve dynamic connection between the power output shaft 41 and the shaft end of the equipment body 5.

[0048] By setting an elastic shaft 7 between the transmission device 4 and the equipment body 5, it is prevented that when one of the parties is locked or in other conditions during the test, the other connection party is also damaged, thereby protecting the transmission device 4 and the equipment body 5.

[0049] Specifically, the elastic shaft 7 can also be connected to the shaft ends of the power output shaft 41 and the equipment body 5 respectively by using a flat key connection.

[0050] See also Figure 2 In some embodiments, both ends of the elastic shaft 7 are connected to the shaft ends of the power output shaft 41 and the device body 5 through splines.

[0051] The elastic shaft 7 can adopt a spline flexible connection, and the spline connection method can improve the connection stability between the elastic shaft 7 and the shaft ends of the power output shaft 41 and the equipment body 5.

[0052] See also Figure 2 , exemplarily, a transmission sleeve 8 is provided between the power output shaft 41 and the speed measuring gear 31 .

[0053] The transmission sleeve 8 is provided to protect the power output shaft 41 of the transmission device 4 , thereby reducing damage during use and extending the service life of the power output shaft 41 of the transmission device 4 .

[0054] See also Figure 1In some possible embodiments, a mounting plate 21 is provided on the storage box 2 , one end of the mounting plate 21 extends toward the insertion end of the power output shaft 41 and is connected to a speed sensor 32 .

[0055] The mounting plate 21 is provided to fix the speed sensor 32 ; specifically, a U-shaped groove is provided at the extending end of the mounting plate 21 , one end of the speed sensor 32 is clamped in the corresponding U-shaped groove, and the other end extends toward the speed gear 31 .

[0056] See also Figure 3 In some embodiments, the mounting plate 21 includes a fixed plate 211 and a telescopic plate 212 slidably connected to the fixed plate 211 along a vertical direction, and a limiting member 213 is provided between the telescopic plate 212 and the fixed plate 211.

[0057] The telescopic plate 212 and the fixed plate 211 are provided so as to achieve the vertical position adjustment of the speed sensor 32 .

[0058] Optionally, the fixed plate 211 is fixed to the storage box 2 at the bottom, and the telescopic plate 212 extends upward.

[0059] Optionally, the telescopic plate 212 is arranged on one side of the fixed plate 211 toward or away from the power transmission shaft, with one end slidingly connected to the fixed plate 211 in the vertical direction and the other end extending upward; the speed sensor 32 is fixed on the extended end of the telescopic plate 212.

[0060] Specifically, a plurality of limiting holes spaced apart from one another are provided on the extension plate. One end of the limiting member 213 passes through one of the limiting holes and is fixed to the fixing plate 211 .

[0061] Optionally, the limiting member 213 is a limiting bolt or a limiting screw, which is used to pass through and be fixed between the fixed plate 211 and the telescopic plate 212 after the position of the speed sensor 32 is adjusted into place.

[0062] Optionally, an annular oil seal 9 is provided at the junction of the elastic shaft 7 and the first connecting plate 11 to prevent leakage of the pre-stored medium oil.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A connection device for speed test, characterized in that: include: A support frame (1) is provided with one side for connecting to a transmission device (4) and the other side for fixedly connecting to a device body (5); a power output shaft (41) of the transmission device (4) extends into the support frame (1) and is dynamically connected to the shaft end of the device body (5); an oil inlet (111) is provided on the support frame (1), and the oil inlet (111) is communicated with an internal cavity of the device body (5); A storage box (2) is fixed on the support frame (1); the storage box (2) is connected to the oil inlet (111); and A speed measuring assembly (3) comprises a speed measuring gear (31) provided on the power output shaft (41), and a speed measuring sensor (32) fixed on the storage box (2), wherein the speed measuring sensor (32) is arranged toward the speed measuring gear (31); The pre-stored medium oil in the storage box (2) enters the internal cavity through the oil inlet (111) and contacts the shaft end of the device body (5).

2. The connection device for speed test according to claim 1, characterized in that: The support frame (1) comprises: A first connecting plate (11) is fixedly connected to the equipment body (5); the first connecting plate (11) is provided with the oil inlet (111); a second connecting plate (12) arranged parallel to and spaced apart from the first connecting plate (11); the second connecting plate (12) is fixedly connected to the transmission device (4); and The connecting column extends along the axial direction of the power output shaft (41), and its two ends are correspondingly connected to the first connecting plate (11) and the second connecting plate (12).

3. The connection device for speed test according to claim 2, characterized in that: An accommodating cavity communicating with the oil inlet (111) is provided in the connecting column, so that the connecting column forms the storage box (2).

4. The connection device for speed test according to claim 1, characterized in that: There are a plurality of storage boxes (2), and the plurality of storage boxes (2) are arranged at intervals around the circumference of the power output shaft (41); there are a plurality of oil inlets (111), and the plurality of oil inlets (111) correspond one-to-one to the plurality of storage boxes (2).

5. The connection device for speed test according to claim 4, characterized in that: One of the storage boxes (2) is connected to an inlet pipe (6), and a fixed plate (61) is provided at one end of the inlet pipe (6) away from the storage box (2); an oil window is provided on the top of the storage box (2).

6. The connection device for speed test according to claim 1, characterized in that: The speed test connection device further comprises an elastic shaft (7), one end of which is connected to the insertion end of the power output shaft (41), and the other end of which is dynamically connected to the shaft end of the device body (5), so that the power output shaft (41) is dynamically connected to the shaft end of the device body (5).

7. The connection device for speed test according to claim 6, characterized in that: Both ends of the elastic shaft (7) are connected to the power output shaft (41) and the shaft ends of the equipment body (5) via splines.

8. The connection device for speed test according to claim 6 or 7, characterized in that: A transmission sleeve (8) is provided between the power output shaft (41) and the speed measuring gear (31).

9. The connection device for speed test according to claim 1, characterized in that: The storage box (2) is provided with a mounting plate (21), one end of the mounting plate (21) extends toward the insertion end of the power output shaft (41) and is connected to the speed sensor (32).

10. The connection device for speed test according to claim 9, characterized in that: The mounting plate (21) comprises a fixed plate (211) and a telescopic plate (212) slidably connected to the fixed plate (211) in a vertical direction, and a limiting member (213) is provided between the telescopic plate (212) and the fixed plate (211).

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