CN209927460U

CN209927460U - Axial loading device of bearing vibration meter

Info

Publication number: CN209927460U
Application number: CN201920947467.5U
Authority: CN
Inventors: 刘正龙; 楼志伟; 秦凯; 金孝玲
Original assignee: Ningbo Daer Machinery Technology Co Ltd
Current assignee: Ningbo Daer Machinery Technology Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-01-10
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a bearing vibration meter axial loading device, wherein an installation groove cavity for installing a spring card sleeve and a spring is arranged above a frame, the front end of the installation groove cavity is a front bracket, the rear end of the installation groove cavity is a rear bracket, the rear bracket is in threaded connection with a pressure regulating sleeve, and the two ends of the pressure regulating sleeve are fixed on the rear bracket through connecting locking nuts; the front end of the thrust rod is fixedly connected with a thrust disc with a contact, the rear end of the thrust rod penetrates through the front support and is sequentially and axially connected with a spring clamping sleeve, a spring and a pressure regulating sleeve in a penetrating mode, the spring clamping sleeve is fixedly connected with the thrust rod, the spring is abutted between the spring clamping sleeve and the pressure regulating sleeve, and the thrust rod and the pressure regulating sleeve are in sliding penetrating connection. The top of the rack is fixedly connected with a horizontal cylinder, the end part of a cylinder rod of the horizontal cylinder is fixedly connected with a push plate, the push plate is provided with a U-shaped opening which is connected with the thrust rod in a penetrating manner, and the push plate tightly supports the front end of the spring clamping sleeve when moving along with the contraction of the cylinder rod and axially compresses the spring. The structure controls the axial force loading by using the air cylinder, so that the loading efficiency is high, and time and labor are saved.

Description

Axial loading device of bearing vibration meter

Technical Field

The utility model relates to a bearing detection device is a bearing vibration meter axial loading device.

Background

The bearing vibration meter is a device for testing bearing vibration, and an axial force needs to be loaded on the end face of the outer ring of a bearing during testing, and the axial loading force is realized through the axial loading device. The prior axial loading device, such as the publication No. CN203083796U published in chinese patent literature, publication No. 7/24/2013, is named as "an axial loading device for rolling bearing", and mainly includes a contact, a thrust disc, a thrust rod, a pressure sensor, a force measuring rod, a frame body, a grip, a ferrule, a spring, and a pressure adjusting bolt. The contact points are uniformly distributed on the thrust disc, a pressure sensor is arranged between the thrust rod and the force measuring rod, one end of the thrust rod is connected with the thrust disc, the other end of the thrust rod is connected with the pressure sensor, the measuring rod is sleeved with a clamping sleeve and a spring, the left end of the clamping sleeve is fixedly connected with the force measuring rod, the right end of the clamping sleeve is provided with an annular boss, and the two ends of the spring are respectively connected with the left end of the clamping sleeve and a screw rod; the bottom of the handle is movably connected with the frame body through a pin shaft, the middle of the handle is connected with a square frame, the clamping sleeve, the spring and the force measuring rod penetrate through the square frame, the inner wall of the square frame is provided with a protruding portion clamped with the annular boss, and the pressure regulating bolt is installed on the frame body. Above structure, though can realize the axial loading when bearing vibration measurement, ensure to measure accurately, the shortcoming lies in that it needs to rely on the manpower manual when using, comparatively wastes time and energy when adjusting or using, and efficiency is not high, and especially the bearing is big more, and required axial loading power is big more, and is higher to manual operation requirement. Therefore, the axial loading device of the existing bearing vibration meter needs to be improved and designed.

Disclosure of Invention

For overcoming the above-mentioned not enough, the utility model aims at providing a bearing vibration meter axial loading device to this field, make it solve the current device axial loading operation of the same kind comparatively waste time and energy, the lower technical problem of efficiency. The purpose is realized by the following technical scheme.

An axial loading device of a bearing vibration meter comprises a rack, a thrust rod, a thrust disc, a contact, a spring clamping sleeve, a spring, a pressure regulating nut and a pressure regulating sleeve, wherein a bottom plate is arranged at the bottom of the rack, strip bolt holes which are symmetrically arranged are formed in the bottom plate, an installation groove cavity for installing the spring clamping sleeve and the spring is formed in the upper portion of the rack, the front end of the installation groove cavity is a front support of the rack, a rod hole which is axially connected with the thrust rod in a sliding and penetrating mode is formed in the front support, a rear support of the rack is arranged at the rear end of the installation groove cavity, a threaded sleeve hole which is in threaded connection with the pressure regulating sleeve is formed in the rear support, the front end and the rear end of the pressure regulating sleeve are both connected with the pressure regulating nut after the pressure regulating sleeve is in threaded; the front end of the thrust rod is fixedly connected with a thrust disc, the end face of the thrust disc is provided with contacts which are abutted against the end face of the outer ring of the bearing to be tested, the rear end of the thrust rod penetrates through the rod hole of the front support and is sequentially axially connected with a spring clamping sleeve, a spring and a pressure regulating sleeve in a penetrating manner, the spring clamping sleeve is fixedly connected with the thrust rod, the spring is abutted between the spring clamping sleeve and the pressure regulating sleeve, and the thrust rod and the pressure regulating sleeve are in sliding penetrating connection. The spring clamping sleeve structure is characterized in that a horizontal cylinder is fixedly connected to the top of the rack, a cylinder rod of the horizontal cylinder is parallel to the thrust rod, a push plate extending into the front end of the spring clamping sleeve in the mounting groove cavity is fixedly connected to the end portion of the cylinder rod, the push plate is provided with a U-shaped opening penetrating through the thrust rod, and when the push plate moves along with the cylinder rod in a contracting mode, the push plate abuts against the front end of the spring clamping sleeve and drives the spring clamping sleeve to axially compress a spring. Above-mentioned structure utilizes the promotion operation of cylinder to replace high strength's manual operation, and comparatively labour saving and time saving can effectively improve loading efficiency.

The axial loading device of the bearing vibration meter further comprises a hand push rod, wherein a snap ring which is radially outward protruded is sleeved on the spring snap ring, the main body of the hand push rod is a gantry-type frame, the top of the frame is connected with a handle, two sides of the frame are symmetrical rod frames, the rod frames on the two sides are respectively hinged with the two sides of the rack to swing, and the inner sides of the rod frames on the two sides are respectively provided with a convex block; when the convex block swings to one end of the pressure regulating sleeve along with the push rod, the convex block props against the snap ring of the spring clamp sleeve and drives the spring clamp sleeve to axially move to compress the spring. Through the manual structure, when the requirement on the axial loading force is not high, the loading efficiency can be improved instead by adopting manual operation, and the energy consumption is saved.

Furthermore, when the push plate is retracted in place along with the air cylinder rod, a space for placing the clamping roller is formed between the top side of the push plate and the end face of the horizontal air cylinder, clamping grooves for limiting the clamping roller are formed in the rod frames on two sides of the hand push rod, when the clamping roller is placed in the space, the clamping roller is limited between the clamping grooves and the push plate, and when the hand push rod swings towards one end of the front support of the rack, the hand push rod is linked with the clamping roller to drive the push plate and the air cylinder rod to move towards one end of the front support. Through this structure, when the cylinder breaks down or the operating position produced the interference to manual operation, through with the cylinder pressure release after, utilize above-mentioned card roller, make the handspike can drive push pedal and cylinder pole towards the motion of frame front end, until the push pedal does not interfere the manual operation after, unload the card roller, can convert into manual loading axial force.

In the axial loading device of the bearing vibration meter, the top of the rack is fixedly connected with the cylinder support, the horizontal cylinder is fixed on the cylinder support, and the two sides of the cylinder support are provided with guide supports for forming sliding guide on the two sides of the push plate. Through the structure, the push plate slides more stably, and the accuracy and reliability of axial loading force are ensured.

Furthermore, the horizontal cylinder is provided with double parallel cylinder rods, so that the fixing reliability of the push plate and the cylinder rods is improved, and the working stability of the push plate is ensured.

In the axial loading device of the bearing vibration meter, the front end of a front support of a rack is provided with a dial indicator, an indicator rod of the dial indicator is provided with an external thread, the front support is provided with a through hole which is connected with the indicator rod of the dial indicator in a penetrating way, after the indicator rod of the dial indicator is connected with the through hole in a penetrating way, the indicator rods at the two ends of the through hole are both in threaded connection with an adjusting nut, and a measuring head of the dial indicator extends into the mounting groove cavity and is vertically opposite to the front end face of a spring clamping sleeve in the U-; when the loading device is loaded in place, the measuring head of the dial indicator abuts against the front end face of the spring clamping sleeve, and the value measured by the dial indicator is the value of the loading force. Through the structure, when the spring sleeve is axially loaded at each time, the front end of the spring sleeve is abutted against the measuring head of the dial indicator, so that the loading force during axial loading is conveniently detected, and the loading force is timely adjusted. And the structure can conveniently adjust the abutting state between the measuring head of the dial indicator and the spring sleeve at any time, so that the dial indicator can accurately measure.

In the axial loading device of the bearing vibration meter, the arrangement direction of the strip-shaped bolt hole of the bottom plate of the rack is axially parallel to the thrust rod, the front end of the bottom plate is provided with a radial screw hole axially perpendicular to the strip-shaped bolt hole, the radial screw hole is in threaded connection with a radial bolt, and the radial bolt is vertically abutted to a fixing bolt in the strip-shaped bolt hole. In the prior art, when the axial loading force is adjusted, the fixed position of the rack needs to be adjusted by manpower, so that the fixed position of the rack can ensure that the required axial loading force can be applied to the bearing, the operation is time-consuming and labor-consuming, and the error is large. By adopting the structure with the radial bolts, the fixed position of the rack is not required to be pushed by manpower, the radial bolts are screwed, the rack can be easily adjusted to the required position, and the operation is convenient and labor-saving.

The utility model discloses overall structure is comparatively compact reasonable, can not only select pneumatics or manual axial force loading according to the needs of axial loading power, improves work efficiency, and the axial force loading is comparatively accurate, stable, and then guarantees the degree of accuracy of bearing vibration meter, is fit for the axial loading device use as all kinds of bearing vibration meters, or the institutional advancement of similar product.

Drawings

Fig. 1 is a schematic structural diagram of the state of the present invention without axial force loading, and a part of the diagram is cut away.

Fig. 2 is a schematic structural diagram of the axial loading completed state of the present invention, and a part of the diagram is cut away.

Fig. 3 is a schematic perspective view of the present invention.

The sequence numbers and names in the figure are: 1. the device comprises a rack, 101, a front support, 102, an installation groove cavity, 103, a rear support, 104, a strip bolt hole, 2, a thrust rod, 3, a thrust disc, 4, a contact, 5, a dial indicator, 6, an adjusting nut, 7, a hand push rod, 701, a frame, 702, a handle, 703, a clamping groove, 704, a bump, 8, a push plate, 801, a U-shaped opening, 9, a spring clamping sleeve, 901, a clamping ring, 10, a horizontal cylinder, 11, a cylinder support, 1101, a guide support, 12, a spring, 13, a pressure regulating nut, 14, a pressure regulating sleeve, 15, a fixing bolt, 16 and a radial bolt.

Detailed Description

The invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1-3, the axial loading device of the bearing vibration meter comprises a frame 1, a thrust rod 2, a thrust disc 3, a contact 4, a hand push rod 7, a horizontal cylinder 10, a push plate 8, a spring clamping sleeve 9, a spring 12, a pressure regulating nut 13 and a pressure regulating sleeve 14, wherein a bottom plate is arranged at the bottom of the frame, the bottom plate is provided with strip bolt holes 104 which are symmetrically arranged, a spring clamping sleeve and a mounting groove cavity 102 of the spring are arranged above the frame, the front end of the mounting groove cavity is a front support 101 of the frame, the front support is provided with a rod hole which is axially slidably connected with the thrust rod in a penetrating manner, the rear end of the mounting groove cavity is a rear support 103 of the frame, the rear support is provided with a threaded sleeve hole which is in threaded connection with the pressure regulating sleeve, the front end and the rear end of the pressure regulating sleeve are both connected with the pressure regulating nut, and the pressure regulating. The front end of the thrust rod is fixedly connected with a thrust disc, and the end face of the thrust disc is provided with contacts which are abutted against the end face of the outer ring of the bearing to be tested. The rear end of the thrust rod penetrates through the rod hole of the front support, and is sequentially axially connected with the spring clamping sleeve, the spring and the pressure regulating sleeve in a penetrating mode, wherein the spring clamping sleeve is fixedly connected with the thrust rod through a pin shaft, the spring is abutted between the spring clamping sleeve and the pressure regulating sleeve, and the thrust rod is in sliding penetrating connection with the pressure regulating sleeve. The spring clamping sleeve is provided with a clamping ring 901 which is radially outwards convex, the main body of the hand push rod is a gantry type frame 701, the top of the frame is connected with a handle 702, two sides of the frame are symmetrical rod frames, the rod frames on two sides are respectively hinged with two sides of the frame through hinged shafts to swing, the inner sides of the rod frames on two sides are respectively provided with a convex block 704, and when the convex block swings to one end of the pressure regulating sleeve along with the hand push rod, the convex block abuts against the clamping ring of the spring clamping sleeve and drives the spring clamping sleeve to axially move to compress the spring. The horizontal cylinder is fixed on the cylinder support 11 at the top of the frame, adopts double parallel cylinder rods, and is parallel to the thrust rod. The push pedal of cylinder pole tip fixed connection, the push pedal stretches into mounting groove intracavity spring card cover front end, and the push pedal both sides are the sliding guide with the guide bracket 1101 cooperation of cylinder support both sides, and the push pedal is equipped with the U type opening 801 of cross-under distance rod, and when the push pedal moves along with cylinder pole shrink, the push pedal supports tight spring card cover front end to drive spring card cover axial compression spring. The operating condition that above-mentioned horizontal cylinder drove push pedal linkage spring cutting ferrule promptly can replace the operating condition of above-mentioned handspike linkage spring cutting ferrule to pneumatic control axial force loading replaces manual control, and it is more convenient laborsaving to use, improves work efficiency.

The fore-stock 101 front end of above-mentioned frame 1 sets up amesdial 5, the gauge rod of amesdial has the external screw thread, the fore-stock is erect the perforation of cross-under amesdial rod, the gauge rod cross-under of amesdial perforates the back, the equal threaded connection adjusting nut 6 of gauge rod at perforation both ends, the measuring head of amesdial stretches into the mounting groove intracavity, and perpendicular relative with the preceding terminal surface of push pedal U type opening internal spring cutting ferrule, when loading device loading targets in place, the measuring head of amesdial offsets with the preceding terminal surface of spring cutting ferrule, the value that the amesdial measured is the value of loading force promptly.

Further, the arrangement direction of the strip bolt holes 104 of the bottom plate of the rack 1 is parallel to the axial direction of the thrust rod 2, the front end of the bottom plate is provided with radial screw holes which are vertical to the axial direction of the strip bolt holes, the radial screw holes are in threaded connection with radial bolts 16, and the radial bolts are vertically abutted against the fixing bolts 15 in the strip bolt holes.

As shown in fig. 3, when the push plate 8 is retracted with the cylinder rod in place, a space for placing the clamping roller is formed between the top side of the push plate and the end surface of the horizontal cylinder 10, the clamping grooves 703 for limiting the clamping roller are erected on the rods on both sides of the push rod 7, when the clamping roller is placed in the space, the clamping roller is limited between the clamping groove and the push plate, and when the push rod swings towards one end of the front bracket 101 of the rack 1, the push rod is linked with the clamping roller to drive the push plate and the cylinder rod to move towards one end of the front bracket.

The above contents are intended to illustrate the technical means of the present invention, and do not limit the technical scope of the present invention. Obvious modifications to the invention, combined with the prior common general knowledge, are also within the scope of the claims of the invention.

Claims

1. The axial loading device comprises a rack (1), a thrust rod (2), a thrust disc (3), a contact (4), a spring clamping sleeve (9), a spring (12), a pressure regulating nut (13) and a pressure regulating sleeve (14), wherein a bottom plate is arranged at the bottom of the rack, strip bolt holes (104) which are symmetrically arranged are formed in the bottom plate, a mounting groove cavity (102) for mounting the spring clamping sleeve and the spring is arranged above the rack, the front end of the mounting groove cavity is a front support (101) of the rack, the front support is provided with a rod hole which is axially slidably connected with the thrust rod in a penetrating manner, the rear end of the mounting groove cavity is a rear support (103) of the rack, the rear support is provided with a threaded sleeve hole which is in threaded connection with the pressure regulating sleeve, the front end and the rear end of the pressure regulating sleeve are both connected with the pressure regulating nut after the threaded sleeve hole is connected with the pressure regulating sleeve, and the; the front end of the thrust rod is fixedly connected with a thrust disc, the end face of the thrust disc is provided with contacts which are abutted against the end face of the outer ring of the bearing to be tested, the rear end of the thrust rod penetrates through the rod hole of the front support and is sequentially axially penetrated and connected with a spring clamping sleeve, a spring and a pressure regulating sleeve, wherein the spring clamping sleeve is fixedly connected with the thrust rod, the spring is abutted between the spring clamping sleeve and the pressure regulating sleeve, and the thrust rod and the pressure regulating sleeve are in sliding penetration connection; the spring clamping sleeve axial compression mechanism is characterized in that a horizontal cylinder (10) is fixedly connected to the top of the rack (1), a cylinder rod of the horizontal cylinder is parallel to the thrust rod (2), a push plate (8) extending into the front end of a spring clamping sleeve (9) in the mounting groove cavity (102) is fixedly connected to the end portion of the cylinder rod, the push plate is provided with a U-shaped opening (801) in cross connection with the thrust rod, and when the push plate moves along with the cylinder rod in a shrinkage mode, the push plate abuts against the front end of the spring clamping sleeve and drives the spring clamping sleeve to axially compress a spring (12).

2. The axial loading device of the bearing vibration meter according to claim 1, characterized in that the loading device further comprises a hand push rod (7), the spring clamping sleeve (9) is provided with a clamping ring (901) which is convex outwards in the radial direction, the main body of the hand push rod is a gantry-type frame (701), the top of the frame is connected with a handle (702), two sides of the frame are symmetrical rod frames, the rod frames at two sides are respectively hinged with two sides of the frame (1) to swing, and the inner sides of the rod frames at two sides are provided with a convex block (704); when the convex block swings to one end of the pressure regulating sleeve (14) along with the push rod, the convex block props against a snap ring (901) of the spring clamping sleeve (9) and drives the spring clamping sleeve to axially move to compress the spring (12).

3. The axial loading device of the bearing vibration meter according to claim 2, wherein when the push plate (8) is retracted in place along with the cylinder rod, a space for placing the clamping roller is formed between the top side of the push plate and the end surface of the horizontal cylinder (10), clamping grooves (703) for limiting the clamping roller are formed in the rod frames on two sides of the hand push rod (7), when the clamping roller is placed in the space, the clamping roller is limited between the clamping grooves and the push plate, and when the hand push rod swings towards one end of the front support (101) of the rack (1), the hand push rod is linked with the clamping roller to drive the push plate and the cylinder rod to move towards one end of the front support.

4. The axial loading device of the bearing vibration meter according to claim 1, wherein the top of the frame (1) is fixedly connected with a cylinder support (11), the horizontal cylinder (10) is fixed on the cylinder support, and guide supports (1101) which form sliding guides for two sides of the push plate (8) are arranged on two sides of the cylinder support.

5. The bearing vibrometer axial loading unit according to claim 1, characterized in that the horizontal cylinder (10) is provided with double parallel cylinder rods.

6. The axial loading device of the bearing vibration meter according to claim 1, characterized in that a dial indicator (5) is arranged at the front end of a front support (101) of the frame (1), an indicator rod of the dial indicator is provided with external threads, the front support (101) is provided with a through hole penetrating the indicator rod of the dial indicator, after the indicator rod of the dial indicator penetrates the through hole, the indicator rods at two ends of the through hole are in threaded connection with an adjusting nut (6), a measuring head of the dial indicator extends into the mounting groove cavity (102) and is vertically opposite to the front end face of a spring clamping sleeve (9) in a U-shaped opening (801) of the push plate (8); when the loading device is loaded in place, the measuring head of the dial indicator abuts against the front end face of the spring clamping sleeve, and the value measured by the dial indicator is the value of the loading force.

7. The axial loading device of the bearing vibration meter according to claim 1, characterized in that the strip bolt hole (104) of the bottom plate of the frame (1) is arranged in a direction parallel to the axial direction of the thrust rod (2), the front end of the bottom plate is provided with a radial screw hole perpendicular to the axial direction of the strip bolt hole, the radial screw hole is in threaded connection with the radial bolt strip (16), and the radial bolt is vertically abutted against the fixing bolt (15) in the bolt hole.