CN211874709U

CN211874709U - Detection device for noise characteristics of hydraulic pump

Info

Publication number: CN211874709U
Application number: CN202020524202.7U
Authority: CN
Inventors: 李菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2020-11-06
Anticipated expiration: 2030-04-11

Abstract

The utility model discloses a detection device is used to hydraulic pump noise characteristics, have the detection platform of landing leg including the welding of bottom outer wall four corners, the top of detecting the platform is provided with the revolving stage, and the welding of the bottom outer wall of revolving stage has and detects the platform and pass through the transmission section of thick bamboo that the bearing rotated to be connected, the welding of the top outer wall one end of detecting the platform has L type mounting panel, and the top of L type mounting panel installs detection mechanism, detection mechanism includes the electric telescopic handle who is fixed in L type mounting panel bottom through the bolt, and electric telescopic handle's extension rod end portion has the connecting plate through the bolt fastening, the vertical welding of the bottom outer wall edge of connecting plate has the armed lever that. The utility model can utilize the connecting plate and the arm lever to push the detection probe to move downwards through the arranged electric telescopic rod so as to complete the detection operation of the hydraulic pump; through the revolving stage that sets up, the cooperation cell body of being convenient for carries out quick material loading, is favorable to improving the device's detection efficiency.

Description

Detection device for noise characteristics of hydraulic pump

Technical Field

The utility model relates to a hydraulic pump detects technical field, especially relates to a detection device for hydraulic pump noise characteristic.

Background

The hydraulic pump is a power element of a hydraulic system, and is an element which is driven by an engine or an electric motor, sucks oil from a hydraulic oil tank, forms pressure oil, discharges the pressure oil and sends the pressure oil to an execution element. The hydraulic pump is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure. The hydraulic pump provides pressurized liquid for hydraulic transmission, and converts the mechanical energy of the power machine into the pressure energy of the liquid. The noise of the hydraulic component affects the working performance of the hydraulic pump and reduces the service life of the hydraulic component, so that a noise characteristic detection device is required to ensure the product quality of the hydraulic pump.

For example, chinese patent application No. CN2014205341510 discloses a noise characteristic detection device for a hydraulic pump. The device comprises an arc-shaped support, at least two probes, a guide device, a driving device and a support frame, wherein the probes are arranged on the arc-shaped support in an array mode, the arc-shaped support is connected with the guide device, and two ends of the guide device are supported through the support frame. However, the probes in the above patent are only distributed in the upper half of the hydraulic pump, and the detection below the hydraulic pump is relatively lacked, so that the detection effect is affected, and certain limitation exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a detection device for noise characteristics of a hydraulic pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a detection device for noise characteristics of a hydraulic pump comprises a detection table with supporting legs welded at four corners of the outer wall of the bottom, a rotary table is arranged at the top of the detection table, a transmission cylinder connected with the detection table in a rotating mode through a bearing is welded at the outer wall of the bottom of the rotary table, an L-shaped mounting plate is welded at one end of the outer wall of the top of the detection table, a detection mechanism is installed at the top end of the L-shaped mounting plate and comprises an electric telescopic rod fixed at the bottom end of the L-shaped mounting plate through bolts, a connecting plate is fixed at the end of an extension rod of the electric telescopic rod through bolts, arm rods distributed at equal intervals are vertically welded at the edge of the outer wall of the bottom of the connecting plate, detection probes are fixed at one side of the bottom end of each arm rod through bolts, a reinforcing rod is welded at one of the arm rods, a limiting sliding chute connected with, and the inner walls of the two annular grooves are connected with balls which are distributed at equal intervals in a rolling way.

Further, the top outer wall edge of examining test table opens the cell body that has the equidistance to distribute, and examines one side that the test table is close to the cell body and all have infrared emitter through the fix with screw, the circular department in top of examining test table opens flutedly, and the inner wall of recess passes through the fix with screw and has the battery to the power supply of infrared emitter.

Further, the bottom outer wall of stiffener is fixed with infrared receiver through the fix with screw, and the equal horizontal welding in one side outer wall both ends of L type mounting panel has a connecting rod, two the connecting rod passes through the fix with screw and has same controller, and the tip of two connecting rods passes through the bolt fastening to have the reinforcement section of thick bamboo of cup jointing in the electric telescopic handle outer wall.

Further, the bottom one side of examining test table is fixed with the rotating electrical machines through the bolt, and the output shaft key connection of rotating electrical machines has drive gear, the bottom outer wall welding of driving cylinder has the ring gear with drive gear engaged with, and the one side outer wall of examining test table passes through the fix with screw and has the siren.

Furthermore, infrared receiver's signal output part is connected with the signal input part of controller through the signal line, and rotating electrical machines, electric telescopic handle, siren all are connected with the switch through the wire, the switch is connected with the controller through the wire.

Furthermore, a reinforcing mechanism is installed with the relative one side of consolidating a section of thick bamboo to the connecting plate, and reinforcing mechanism is including offering the reinforcement spout on consolidating a section of thick bamboo and L type mounting panel top.

Furthermore, the outer wall of the top of the connecting plate is welded with a reinforcing sliding rod which is in sliding connection with the reinforcing sliding groove.

Compared with the prior art, the utility model provides a detection device is used to hydraulic pump noise characteristics possesses following beneficial effect:

1. the detection device for the noise characteristics of the hydraulic pump can utilize the connecting plate and the arm lever to push the detection probe to move downwards through the arranged electric telescopic rod so as to complete the detection operation of the hydraulic pump; through the revolving stage that sets up, the cooperation cell body of being convenient for carries out quick material loading, is favorable to improving the device's detection efficiency.

2. This detection device for hydraulic pump noise characteristic, through infrared transmitter and the infrared receiver who sets up, the controller can be through receiving infrared signal, and control starts rotating electrical machines, electric telescopic handle, guarantees going on smoothly of detection operation, and when detecting out when unusual, the controller can control and start the siren and carry out alarm processing to make things convenient for the measurement personnel to know the abnormal conditions.

3. The detection device for the noise characteristics of the hydraulic pump is beneficial to improving the stability of detection operation through the arranged reinforcing rod and the limiting sliding chute; through the reinforcing mechanism who sets up, can utilize and strengthen to cooperate between slide bar, the reinforcement spout, stability when further improving the connecting plate and removing further guarantees the stability of detecting the operation.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic view of an overall structure of a detection device for noise characteristics of a hydraulic pump according to the present invention;

fig. 2 is a schematic view of a semi-sectional structure of a reinforcing mechanism of a detection device for noise characteristics of a hydraulic pump according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 1 of the detection device for noise characteristics of a hydraulic pump according to the present invention.

In the figure: 1-detection table, 101-alarm, 2-turntable, 3-transmission cylinder, 4-toothed ring, 5-rotating motor, 6-driving gear, 7-reinforcing rod, 8-limiting chute, 9-L-shaped mounting plate, 10-connecting rod, 11-controller, 12-electric telescopic rod, 13-reinforcing cylinder, 14-reinforcing slide rod, 15-connecting plate, 16-arm rod, 17-storage battery, 18-tank body, 19-detection probe, 20-infrared emitter and 21-infrared receiver.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 and 3, a detection device for noise characteristics of a hydraulic pump comprises a detection table 1 with supporting legs welded at four corners of the outer wall of the bottom, a turntable 2 is arranged at the top of the detection table 1, a transmission cylinder 3 rotatably connected with the detection table 1 through a bearing is welded at the outer wall of the bottom of the turntable 2, an L-shaped mounting plate 9 is welded at one end of the outer wall of the top of the detection table 1, a detection mechanism is installed at the top end of the L-shaped mounting plate 9, the detection mechanism comprises an electric telescopic rod 12 fixed at the bottom end of the L-shaped mounting plate 9 through bolts, a connecting plate 15 is fixed at the end of an extension rod of the electric telescopic rod 12 through bolts, arm rods 16 distributed at equal intervals are vertically welded at the edge of the outer wall of the bottom of the connecting plate 15, detection probes 19 are fixed at one side of the bottom end of each arm rod 16 through a bolt, a reinforcing rod 7, the opposite sides of the rotary table 2 and the detection table 1 are provided with annular grooves, and the inner walls of the two annular grooves are connected with balls distributed equidistantly in a rolling manner.

The utility model discloses in, the top outer wall edge of examining test table 1 opens the cell body 18 that has the equidistance to distribute, and examines one side that test table 1 is close to cell body 18 and all has infrared emitter 20 through the fix with screw, and the circular department in top of examining test table 1 opens flutedly, and the inner wall of recess has the battery 17 for the power supply of infrared emitter 20 through the fix with screw.

Wherein, the bottom outer wall of stiffener 7 has infrared receiver 21 through the fix with screw, and the equal horizontally welded in one side outer wall both ends of L type mounting panel 9 has connecting rod 10, and two connecting rods 10 have same controller 11 through the fix with screw, and the tip of two connecting rods 10 passes through the bolt fastening to have cup joints in the reinforcement section of thick bamboo 13 of 12 outer walls of electric telescopic handle.

Wherein, the bottom one side of examining test table 1 is fixed with rotating electrical machines 5 through the bolt, and rotating electrical machines 5's output shaft key joint has drive gear 6, and the welding of the bottom outer wall of transmission cylinder 3 has ring gear 4 with drive gear 6 looks meshing, and the one side outer wall of examining test table 1 passes through the fix with screw siren 101.

Wherein, the signal output part of the infrared receiver 21 is connected with the signal input part of the controller 11 through a signal line, and the rotating electrical machine 5, the electric telescopic rod 12 and the alarm 101 are all connected with a switch through a wire, and the switch is connected with the controller 11 through a wire.

It should be noted that: the controller 11, the infrared transmitter 20 and the infrared receiver 21 are all existing products, and the present application does not innovate the structure thereof, and those skilled in the art can flexibly select the products according to actual needs.

The working principle is as follows: when the device is used, a detection person puts a hydraulic pump to be detected into the groove body 18 for fixing, after the fixing is completed, the detection person starts the rotating motor 5 to drive the transmission cylinder 3 and the rotary table 2 to rotate through the driving gear 6 and the toothed ring 4, when the corresponding infrared emitter 20 rotates to the position right below the infrared receiver 21, the controller 11 receives an infrared signal to control the electric telescopic rod 12 to be started and the rotating motor 5 to be closed, and the connecting plate 15 and the arm lever 16 are used for pushing the detection probe 19 to move downwards so as to complete the detection operation of the hydraulic pump; when detecting out of order, the controller 11 controls the starting alarm 101 to alarm, so that the detector can conveniently and quickly pick out an abnormal product.

Example 2

Referring to fig. 1-2, in the present embodiment, compared to embodiment 1, the detection apparatus for noise characteristics of a hydraulic pump further includes a reinforcing mechanism installed on one side of the connecting plate 15 opposite to the reinforcing cylinder 13, and the reinforcing mechanism includes a reinforcing chute installed at the top end of the reinforcing cylinder 13 and the L-shaped mounting plate 9.

Wherein, the outer wall welding of the top of connecting plate 15 has with strengthening the spout sliding connection strengthen the slide bar 14.

The working principle is as follows: when the device is used, the reinforcing mechanism is arranged, the reinforcing slide rod 14 and the reinforcing slide groove are matched, so that the stability of the connecting plate 15 during moving is improved, and the stability of detection operation is further ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The detection device for the noise characteristics of the hydraulic pump comprises a detection table (1) with supporting legs welded at four corners of the outer wall of the bottom, and is characterized in that a rotary table (2) is arranged at the top of the detection table (1), a transmission cylinder (3) connected with the detection table (1) through a bearing in a rotating mode is welded at the outer wall of the bottom of the rotary table (2), an L-shaped mounting plate (9) is welded at one end of the outer wall of the top of the detection table (1), a detection mechanism is installed at the top end of the L-shaped mounting plate (9), the detection mechanism comprises an electric telescopic rod (12) fixed to the bottom end of the L-shaped mounting plate (9) through bolts, a connecting plate (15) is fixed to the end portion of an extension rod of the electric telescopic rod (12) through bolts, arm rods (16) distributed at equal intervals are vertically welded at the edge of the outer wall of the bottom of the connecting, one of them armed lever (16) welding has stiffener (7), and L type mounting panel (9) open have with stiffener (7) sliding connection's spacing spout (8), revolving stage (2) all open with the relative one side of examining test table (1) has the ring channel, and the inner wall roll connection of two ring channels has the ball that the equidistance distributes.

2. The detection device for the noise characteristics of the hydraulic pump according to claim 1, wherein the edge of the outer wall of the top of the detection table (1) is provided with grooves (18) which are distributed equidistantly, one side, close to the grooves (18), of the detection table (1) is fixedly provided with an infrared emitter (20) through screws, the circular position of the top end of the detection table (1) is provided with a groove, and the inner wall of the groove is fixedly provided with a storage battery (17) which supplies power to the infrared emitter (20) through screws.

3. The detection device for the noise characteristics of the hydraulic pump according to claim 2, wherein the bottom outer wall of the reinforcing rod (7) is fixed with an infrared receiver (21) through a screw, two ends of the outer wall of one side of the L-shaped mounting plate (9) are horizontally welded with connecting rods (10), the two connecting rods (10) are fixed with the same controller (11) through screws, and the end parts of the two connecting rods (10) are fixed with reinforcing cylinders (13) sleeved on the outer wall of the electric telescopic rod (12) through bolts.

4. The detection device for the noise characteristics of the hydraulic pump according to claim 3, wherein a rotating motor (5) is fixed on one side of the bottom end of the detection table (1) through a bolt, a driving gear (6) is connected to an output shaft of the rotating motor (5) in a key mode, a gear ring (4) meshed with the driving gear (6) is welded on the outer wall of the bottom end of the transmission cylinder (3), and an alarm (101) is fixed on the outer wall of one side of the detection table (1) through a screw.

5. The detection device for the noise characteristics of the hydraulic pump according to claim 4, wherein the signal output end of the infrared receiver (21) is connected with the signal input end of the controller (11) through a signal line, and the rotating motor (5), the electric telescopic rod (12) and the alarm (101) are connected with a switch through conducting wires, and the switch is connected with the controller (11) through conducting wires.

6. The hydraulic pump noise characteristic detection device according to claim 1, wherein a reinforcing mechanism is mounted on a side of the connecting plate (15) opposite to the reinforcing cylinder (13), and the reinforcing mechanism comprises a reinforcing sliding groove formed at the top ends of the reinforcing cylinder (13) and the L-shaped mounting plate (9).

7. The detection device for the noise characteristics of a hydraulic pump according to claim 6, characterized in that the top external wall of the connection plate (15) is welded with a reinforcing sliding rod (14) in sliding connection with a reinforcing sliding groove.