Sensor tool for engine vibration isolation test

Abstract

The utility model belongs to the technical field of sensor accessories, and particularly relates to a sensor tool for an engine vibration isolation test, which comprises a base and a sensor mounting seat mounted on the base, a vertical rod is rotatably mounted on the base, a lifting sleeve is sleeved at the upper end of the vertical rod, and the sensor mounting seat is arranged at the upper end of the lifting sleeve; a reel is fixedly arranged on the vertical rod, and the sensor mounting seat comprises a mounting sleeve, a wire passing groove formed in the mounting sleeve and at least two elastic linings arranged in the mounting sleeve. The sensor tool for the vibration isolation test of the engine has the advantages of being simple in structure and convenient to implement, and a data cable of a sensor can be conveniently stored by arranging the reel on the vertical rod; meanwhile, a first limiting hole and a second limiting hole are formed in the reel and the base correspondingly to be matched with a plug pin to lock the reel; the sensor mounting seat is prevented from rotating in the use process to influence the detection effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sensor accessory technical field, concretely relates to a sensor frock for engine vibration isolation test. BACKGROUND

[0002] When the heavy vehicle engine vibration isolation test is carried out, two kinds of working conditions are selected to carry out the test, vehicle idling and acceleration working condition. When idling, the vehicle is stationary, and the engine idles, and the engine speed signal does not need to be read. The acceleration condition needs to read the engine speed signal, and record the whole test process of the engine from idling to the highest speed. The existing technology reads the speed signal, which needs to ask the engine manufacturer for the engine CAN message (which includes a DBC file of the speed signal). For heavy vehicles, due to the non-standard communication protocol, the CAN message provided by individual engine manufacturers is not available, which causes the speed signal to be read in some cases, that is, the acceleration condition test cannot be carried out smoothly.

[0003] When the above-mentioned situation occurs, the real-time speed signal of the test vehicle needs to be measured by using the speed sensor. The method is to paste a specific fluorescent material or light-emitting mark on the engine fan blade. The speed sensor is vertically placed below the fan blade, and the sensor is fixed on the sensor frock. The base of the frock needs to have a certain weight, and a stainless steel solid rectangular base with a thickness of about 5-8cm and a weight of about 8-12kg is used. A certain weight is used to prevent the wind generated by the fan from affecting the shaking of the speed sensor in the acceleration condition. The sensor needs to be vertically aligned with the reflective mark on the fan blade to determine that the laser emitted by the sensor can scan the reflective mark during the rotation of the fan.

[0004] The existing sensor fixing frock has the problems of generally non-adjustable height and unable to collect the sensor cable. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a sensor frock for engine vibration isolation test to solve the problems in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0007] The utility model provides a sensor tooling for engine vibration isolation testing, comprising a base and a sensor mounting seat installed on the base, wherein a vertical pole is rotatably mounted on the base, a lifting sleeve is sleeved on the upper end of the vertical pole, and the sensor mounting seat is provided on the upper end of the lifting sleeve; a winding wheel is fixedly provided on the vertical pole, the winding wheel comprises a winding wheel body, a plurality of horizontal blades arranged on the lower side of the winding wheel body and a plurality of inclined blades arranged on the upper side of the winding wheel body, and an accommodating space for accommodating cables is formed between the winding wheel body, the horizontal blades and the inclined blades; the sensor mounting seat comprises a mounting sleeve, a wire groove provided on the mounting sleeve and at least two elastic liners arranged in the mounting sleeve.

[0008] In the above-mentioned sensor tooling for engine vibration isolation testing, as a preferred solution, a first limiting hole is provided on the base, and a second limiting hole is provided on at least one horizontal blade. The first limiting hole and the second limiting hole are used in conjunction with each other to lock the winding wheel.

[0009] In the above-mentioned sensor fixture for engine vibration isolation testing, as a preferred solution, the vertical rod is rotatably mounted on the base via a bearing at the lower end.

[0010] In the above-mentioned sensor tooling for engine vibration isolation testing, as a preferred solution, waist-shaped grooves are symmetrically opened on the cylinder body of the lifting sleeve, and the waist-shaped grooves and the clamping screws inserted on the vertical pole cooperate with the locking nut to adjust the lifting sleeve up and down.

[0011] In the above-mentioned sensor fixture for engine vibration isolation testing, as a preferred solution, threaded holes are provided on the mounting sleeve, and the threaded holes correspond one-to-one to the elastic linings.

[0012] The utility model provides a sensor tooling for engine vibration isolation testing, which has the following beneficial effects:

[0013] The sensor tooling for engine vibration isolation testing provided by the utility model has the advantages of simple structure and convenient implementation. By arranging a winding wheel on the vertical pole, the data cable of the sensor can be conveniently stored. At the same time, a first limiting hole and a second limiting hole are respectively provided on the winding wheel and the base to cooperate with a latch to lock the winding wheel, thereby preventing the sensor mounting base from rotating during use and affecting the detection effect.

[0014] An elastic lining is provided in the mounting sleeve of the sensor mounting base to fix the sensor. At the same time, a threaded hole is provided on the side wall of the mounting sleeve. By configuring a nut in the threaded hole, the elastic lining can be further pressurized to fix the sensor in the mounting sleeve in one step. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1A schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the base and upright assembly structure provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0017] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Exemplary embodiments of the present invention will be described in detail with reference to the following drawings.

[0019] The serial numbers in the figure mean: 1 is the base, 2 is the first limiting hole, 3 is the wire wheel body, 4 is the horizontal blade, 5 is the second limiting hole, 6 is the inclined blade, 7 is the vertical pole, 7-1 is the clamping screw, 8 is the locking nut, 9 is the lifting sleeve, 10 is the mounting sleeve, 11 is the wire groove, 12 is the elastic lining, and 13 is the bearing.

[0020] The following describes exemplary embodiments of the present invention in combination with specific situations:

[0021] like Figures 1 to 2 As shown, the utility model provides a sensor tooling for engine vibration isolation testing, including a base 1 and a sensor mounting seat installed on the base 1, a vertical pole 7 is rotatably installed on the base 1, a lifting sleeve 9 is sleeved on the upper end of the vertical pole 7, and a sensor mounting seat is provided on the upper end of the lifting sleeve 9.

[0022] A winding wheel is fixed on the vertical pole 7, and the winding wheel includes a winding wheel body 3, a plurality of horizontal blades 4 arranged on the lower side of the winding wheel body 3, and a plurality of inclined blades 6 arranged on the upper side of the winding wheel body 3. An accommodating space for accommodating cables is formed between the winding wheel body 3, the horizontal blades 4 and the inclined blades 6; the sensor mounting seat includes a mounting sleeve 10, a wire groove 11 provided on the mounting sleeve 10 and at least two elastic liners 12 arranged in the mounting sleeve 10, and the elastic liners 12 are made of rubber.

[0023] The base 1 is a rectangular metal plate. A first limiting hole 2 is provided on the base 1. A second limiting hole 5 is provided on at least one horizontal blade 4. The first limiting hole 2 and the second limiting hole 5 are used together to lock the winding wheel.

[0024] The vertical rod 7 is rotatably mounted on the base 1 via a bearing 13 at its lower end. The inner ring of bearing 13 is fixedly connected to the vertical rod 7, while the outer ring of bearing 13 is fixedly connected to the base 1. Bearing 13 is arranged horizontally. The body of the lifting sleeve 9 is symmetrically provided with waist-shaped grooves. These, together with the clamping screw 7-1 inserted into the vertical rod 7, cooperate with the lock nut 8 to adjust the lifting sleeve 9 up and down. The mounting sleeve 10 is provided with threaded holes that correspond one-to-one with the elastic liner 12. Bolts are installed in the threaded holes to apply pressure to the elastic liner 12, further securing the sensor installed in the mounting sleeve 10.

[0025] Working Principle: Install the sensor in the mounting sleeve of the sensor mount. The sensor's data cable is routed through the cable trough and wound around the reel. When needed, pull the free end of the sensor cable, rotating the reel to pull the sensor cable out and connect it to the appropriate device for use. A latch locks the reel to the base. To retract, remove the latch, rotate the reel to wind the sensor cable around it, and then re-insert the latch to lock the reel.

[0026] Finally, it should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0027] The above uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A sensor fixture for engine vibration isolation testing, comprising a base and a sensor mounting seat mounted on the base, characterized in that: A vertical pole is rotatably installed on the base, a lifting sleeve is mounted on the upper end of the vertical pole, and a sensor mounting seat is provided on the upper end of the lifting sleeve; a winding wheel is fixedly provided on the vertical pole, and the winding wheel includes a winding wheel body, a plurality of horizontal blades arranged on the lower side of the winding wheel body and a plurality of inclined blades arranged on the upper side of the winding wheel body, and an accommodating space for accommodating cables is formed between the winding wheel body, the horizontal blades and the inclined blades; the sensor mounting seat includes a mounting sleeve, a wire groove provided on the mounting sleeve and at least two elastic liners provided in the mounting sleeve.

2. The sensor fixture for engine vibration isolation testing according to claim 1, characterized in that: The base is provided with a first limiting hole, and at least one horizontal blade is provided with a second limiting hole. The first limiting hole and the second limiting hole are used in conjunction with each other to lock the winding wheel.

3. The sensor fixture for engine vibration isolation testing according to claim 1, characterized in that: The vertical rod is rotatably mounted on the base via a bearing at the lower end.

4. The sensor fixture for engine vibration isolation testing according to claim 1, characterized in that: The cylinder body of the lifting sleeve is symmetrically provided with waist-shaped grooves, and the waist-shaped grooves and the clamping screws inserted on the vertical pole cooperate with the locking nut to adjust the lifting sleeve up and down.

5. The sensor fixture for engine vibration isolation testing according to claim 1, characterized in that: The mounting sleeve is provided with threaded holes, which correspond one-to-one to the elastic lining.

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