CN117606938A - Detection device with axial tension value requirement and working method thereof - Google Patents
Detection device with axial tension value requirement and working method thereof Download PDFInfo
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- CN117606938A CN117606938A CN202311586672.0A CN202311586672A CN117606938A CN 117606938 A CN117606938 A CN 117606938A CN 202311586672 A CN202311586672 A CN 202311586672A CN 117606938 A CN117606938 A CN 117606938A
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 100
- 239000010985 leather Substances 0.000 claims abstract description 65
- 239000003921 oil Substances 0.000 claims description 60
- 239000010720 hydraulic oil Substances 0.000 claims description 41
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- General Physics & Mathematics (AREA)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention belongs to the field of machine manufacturing and assembly, and relates to a detection device with axial tension value requirements and a working method thereof. The hydraulic cylinder is internally provided with a hydraulic cavity, and the hydraulic cavity is internally provided with a hydraulic medium and a leather cup. A connecting rod is arranged in the hydraulic cylinder in a penetrating way, the connecting rod is connected with a leather cup, and the leather cup is arranged in the hydraulic cavity and divides the hydraulic cavity into a first hydraulic cavity and a second hydraulic cavity. The hydraulic cylinder is provided with a first hydraulic hole and a second hydraulic hole, the first hydraulic hole is communicated with the first hydraulic cavity, and the second hydraulic hole is communicated with the second hydraulic cavity. The connecting rod is provided with a transmission shaft clamping part, the transmission shaft clamping part is positioned outside the hydraulic cylinder, and the transmission shaft clamping part is used for clamping the transmission shaft and applying tension to the transmission shaft so as to finish a tension detection experiment. The invention combines machinery and hydraulic pressure, and the leather cup is pushed to move up and down in the hydraulic cylinder by the hydraulic pressure, so that the transmission shaft moves axially, and the transmission shaft can be pulled by a preset tension value.
Description
Technical Field
The invention belongs to the field of machine manufacturing and assembly, and relates to a detection device with axial tension value requirements and a working method thereof.
Background
In order to prevent unstable locking of the steel wire retainer ring between the transmission shaft and the rotor assembly in the rotor assembly with the transmission shaft, the pulling-out phenomenon occurs, the axial force required for checking the traction of the transmission shaft is not less than 600N, namely, the pulling-out of the transmission shaft below 600N traction can be judged that the locking force of the matched position of the steel wire retainer ring is insufficient, and the steel wire retainer ring needs to be replaced. To fulfill this requirement, a special tension detecting device needs to be designed to solve such a problem, see fig. 1.
In the prior art, a neck part of a transmission shaft is clamped by a clamp, the transmission shaft of a strip steel wire retainer ring is pulled out by a rotating handle through reverse thread force, and the method only solves the problem of pulling out the transmission shaft, but cannot solve the problem of pulling out the transmission shaft through a specified axial force, as shown in fig. 2a and 2 b.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a detection device with the requirement of an axial tension value and a working method thereof.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a detection device with an axial tension value requirement, which comprises a hydraulic cylinder, wherein a hydraulic cavity is formed in the hydraulic cylinder, a connecting rod mounting hole is formed in the hydraulic cylinder, a connecting rod is arranged in the connecting rod mounting hole in a penetrating manner, the connecting rod is connected with a leather cup, the leather cup is arranged in the hydraulic cavity and divides the hydraulic cavity into a first hydraulic cavity and a second hydraulic cavity, the hydraulic cylinder is provided with a first hydraulic hole and a second hydraulic hole, the first hydraulic hole is communicated with the first hydraulic cavity, the second hydraulic hole is communicated with the second hydraulic cavity, a transmission shaft clamping part is arranged on the connecting rod, and the transmission shaft clamping part is positioned outside the hydraulic cylinder.
Further, the transmission shaft clamping part comprises a connecting sleeve, the connecting sleeve is fixedly connected with a connecting rod, a plurality of internal splines are axially arranged in the connecting sleeve, a locking sleeve is sleeved on the connecting sleeve, and a plurality of longitudinal notches are formed in the connecting sleeve.
Further, the outer side of the connecting sleeve is provided with a conical surface, and the locking sleeve is internally provided with a conical surface which is attached to the conical surface of the connecting sleeve.
Further, the connecting sleeve is engaged with the locking sleeve through threads.
Further, the connecting sleeve is connected with the connecting rod through a bolt.
Further, the first hydraulic hole and the second hydraulic hole are both communicated with the hydraulic switching component.
Further, the hydraulic switching component comprises a hydraulic shell, a first oil inlet hole, a first pipe joint hole, a second pipe joint hole and a third pipe joint hole are formed in the hydraulic shell, a hydraulic switching shaft is embedded in the hydraulic shell, a second oil inlet hole and an oil guide hole are formed in the hydraulic switching shaft, the second oil inlet hole is communicated with the first oil inlet hole, the hydraulic switching shaft is rotated, the second oil inlet hole can be respectively communicated with the first pipe joint hole and the third pipe joint hole, when the second oil inlet hole is communicated with any one of the first pipe joint hole and the third pipe joint hole, the oil guide hole is communicated with the other two pipe joint holes, the first pipe joint hole is communicated with the second hydraulic hole, and the third pipe joint hole is communicated with the first hydraulic hole.
Further, the first oil inlet hole and the second oil inlet hole are coaxially arranged, and the first pipe joint hole, the second pipe joint hole and the third pipe joint hole are uniformly distributed with respect to the circumference of the second oil inlet hole.
Further, a handle is arranged on the hydraulic switching shaft.
Based on the structure, the invention also discloses a working method of the detection device with the axial tension value requirement, which comprises the following steps:
the transmission shaft is fixedly connected with the clamping part of the transmission shaft;
filling hydraulic oil with set pressure into the second hydraulic cavity through the second hydraulic hole, discharging the hydraulic oil in the first hydraulic cavity from the hydraulic cavity through the first hydraulic hole, enabling the leather cup to move to one side of the first hydraulic cavity of the hydraulic cylinder under the action of the hydraulic oil pressure, enabling the leather cup to drive the transmission shaft to move upwards through the connecting rod, and applying tension to the transmission shaft;
the hydraulic oil with fixed pressure is filled into the first hydraulic cavity through the first hydraulic hole, the hydraulic oil in the second hydraulic cavity is discharged out of the hydraulic cavity through the second hydraulic hole, the leather cup moves to one side of the second hydraulic cavity of the hydraulic cylinder under the action of the hydraulic oil pressure, and the leather cup drives the transmission shaft to move downwards through the connecting rod and releases tension.
Compared with the prior art, the invention has the following beneficial effects:
the invention comprises a hydraulic cylinder, wherein a hydraulic cavity is arranged in the hydraulic cylinder, and the hydraulic cavity is internally provided with a hydraulic medium and a leather cup. The connecting rod mounting hole is formed in the hydraulic cylinder, the connecting rod is arranged in the connecting rod mounting hole in a penetrating manner, the connecting rod is connected with the leather cup, the leather cup is arranged in the hydraulic cavity and divides the hydraulic cavity into a first hydraulic cavity and a second hydraulic cavity, different pressures are applied to media in the first hydraulic cavity and the second hydraulic cavity to form a pressure difference, so that pressure is applied to the leather cup, and the leather cup moves up and down in the hydraulic cavity and simultaneously, the set tension is output outwards through the connecting rod. The hydraulic cylinder is provided with a first hydraulic hole and a second hydraulic hole, the first hydraulic hole is communicated with the first hydraulic cavity, the second hydraulic hole is communicated with the second hydraulic cavity, namely, the first hydraulic cavity is communicated with the hydraulic pressurizing device through the first hydraulic hole, and the second hydraulic cavity is communicated with the hydraulic pressurizing device through the second hydraulic hole. The connecting rod is provided with a transmission shaft clamping part, the transmission shaft clamping part is positioned outside the hydraulic cylinder, and the transmission shaft clamping part is used for clamping the transmission shaft and applying tension to the transmission shaft so as to finish a tension detection experiment. The invention combines machinery and hydraulic pressure, and the leather cup is pushed to move up and down in the hydraulic cylinder by the hydraulic pressure, so that the transmission shaft moves axially, and the transmission shaft can be pulled by a preset tension value.
The method is characterized in that the transmission shaft is fixedly connected with the clamping part of the transmission shaft. And hydraulic oil with set pressure is filled into the second hydraulic cavity through the second hydraulic hole, the hydraulic oil in the first hydraulic cavity is discharged out of the hydraulic cavity through the first hydraulic hole, the leather cup moves to one side of the first hydraulic cavity of the hydraulic cylinder under the action of the hydraulic oil pressure, and the leather cup drives the transmission shaft to move upwards through the connecting rod and applies tension to the transmission shaft. The pressure difference is formed by applying different pressures to the media in the first hydraulic cavity and the second hydraulic cavity, so that the pressure is applied to the leather cup, and the leather cup moves up and down in the hydraulic cavity and simultaneously, the set tension is output outwards through the connecting rod. And hydraulic oil with set pressure is filled into the first hydraulic cavity through the first hydraulic hole, hydraulic oil in the second hydraulic cavity is discharged out of the hydraulic cavity through the second hydraulic hole, the leather cup moves to one side of the second hydraulic cavity of the hydraulic cylinder under the action of hydraulic oil pressure, and the leather cup drives the transmission shaft to move downwards through the connecting rod and releases tension. According to the invention, the leather cup is driven to move up and down in the hydraulic cylinder by hydraulic pressure, so that the transmission shaft moves axially, and the transmission shaft can be pulled by a preset tension value.
Drawings
FIG. 1 is a schematic diagram of a rotor assembly;
FIG. 2a is a schematic diagram of a prior art transmission shaft pulled out by a clamp;
FIG. 2b is a top view of FIG. 2 a;
FIG. 3 is a diagram of the drive shaft grip of the present invention;
FIG. 4 is an assembled view of a hydraulic cylinder and drive shaft clamp of the present invention;
FIG. 5a is a schematic view of the hydraulic switching unit of the present invention;
FIG. 5b is a cross-sectional view A-A of FIG. 5 a;
FIG. 5c is a section B-B of FIG. 5B;
fig. 5d is a cross-sectional view of the hydraulic switching member of the present invention.
Wherein: 1. a hydraulic cylinder; 1-1, a hydraulic cavity; 1-2, leather cup; 1-3, connecting rod; 1-4, a first hydraulic cavity; 1-5, a second hydraulic cavity; 1-6, a first hydraulic hole; 1-7, a second hydraulic hole; 2. a transmission shaft clamping part; 2-1, connecting sleeve; 2-2, locking sleeve; 2-3, a bolt; 3. a hydraulic switching unit; 3-1, a hydraulic shell; 3-2, a first oil inlet hole; 3-3, a first pipe joint hole; 3-4, a second pipe joint hole; 3-5, a third pipe joint hole; 3-6, hydraulic switching shaft; 3-7, a second oil inlet hole; 3-8, oil guiding holes; 3-9, a handle; 4. a transmission shaft; 5. a steel wire retainer ring; 6. a rotor assembly.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 4, the invention discloses a detection device with axial tension value requirements, which comprises a hydraulic cylinder 1, wherein a hydraulic cavity 1-1 is formed in the hydraulic cylinder 1, and a hydraulic medium and a leather cup 1-2 are arranged in the hydraulic cavity 1-1. The hydraulic cylinder 1 is provided with a connecting rod mounting hole, a connecting rod 1-3 is arranged in the connecting rod mounting hole in a penetrating way, the connecting rod 1-3 is connected with a leather cup 1-2, the leather cup 1-2 is arranged in the hydraulic cavity 1-1 and divides the hydraulic cavity 1-1 into a first hydraulic cavity 1-4 and a second hydraulic cavity 1-5, different pressures are applied to media in the first hydraulic cavity 1-4 and the second hydraulic cavity 1-5 to form a pressure difference, so that pressure is applied to the leather cup 1-2, the leather cup 1-2 moves up and down in the hydraulic cavity 1-1, and the leather cup 1-2 outputs set tensile force outwards through the connecting rod 1-3 while moving up and down in the hydraulic cavity 1-1. The hydraulic cylinder 1 is provided with a first hydraulic hole 1-6 and a second hydraulic hole 1-7, the first hydraulic hole 1-6 is communicated with the first hydraulic cavity 1-4, the second hydraulic hole 1-7 is communicated with the second hydraulic cavity 1-5, namely, the first hydraulic cavity 1-4 is communicated with the hydraulic pressurizing device through the first hydraulic hole 1-6, and the second hydraulic cavity 1-5 is communicated with the hydraulic pressurizing device through the second hydraulic hole 1-7. The connecting rod 1-3 is provided with a transmission shaft clamping part 2, the transmission shaft clamping part 2 is positioned outside the hydraulic cylinder 1, and the transmission shaft clamping part 2 is used for clamping the transmission shaft 4 and applying tension to the transmission shaft 4 so as to complete a tension detection experiment. The invention combines machinery and hydraulic pressure, and the leather cup is pushed to move up and down in the hydraulic cylinder by the hydraulic pressure, so that the transmission shaft moves axially, and the transmission shaft can be pulled by a preset tension value.
Referring to fig. 4, in another possible embodiment of the present invention, the following is adapted according to circumstances. The hydraulic cylinder comprises a hydraulic cylinder 1, wherein a hydraulic cavity 1-1 is formed in the hydraulic cylinder 1, a connecting rod mounting hole is formed in the hydraulic cylinder 1, a connecting rod 1-3 is arranged in the connecting rod mounting hole in a penetrating manner, the connecting rod 1-3 is connected with a leather cup 1-2, the leather cup 1-2 is arranged in the hydraulic cavity 1-1 and divides the hydraulic cavity 1-1 into a first hydraulic cavity 1-4 and a second hydraulic cavity 1-5, a first hydraulic hole 1-6 and a second hydraulic hole 1-7 are formed in the hydraulic cylinder 1, the first hydraulic hole 1-6 is communicated with the first hydraulic cavity 1-4, the second hydraulic hole 1-7 is communicated with the second hydraulic cavity 1-5, a transmission shaft clamping part 2 is arranged on the connecting rod 1-3, and the transmission shaft clamping part 2 is positioned outside the hydraulic cylinder 1. According to the invention, different pressures are applied to media in the first hydraulic cavity 1-4 and the second hydraulic cavity 1-5 to form a pressure difference, so that pressure is applied to the leather cup 1-2, and the leather cup 1-2 moves up and down in the hydraulic cavity 1-1 and simultaneously outputs set tension outwards through the connecting rod 1-3.
When the device specifically works, the transmission shaft 4 is fixedly connected with the transmission shaft clamping part 2. The hydraulic oil with set pressure is filled into the second hydraulic cavity 1-5 through the second hydraulic hole 1-7, the hydraulic oil in the first hydraulic cavity 1-4 is discharged out of the hydraulic cavity 1-1 through the first hydraulic hole 1-6, the leather cup 1-2 moves to one side of the first hydraulic cavity 1-4 of the hydraulic cylinder 1 under the pressure action of the hydraulic oil, the leather cup 1-2 drives the transmission shaft 4 to move upwards through the connecting rod 1-3 and applies tension to the transmission shaft 4, and the transmission shaft is pulled by a preset tension value. After tension detection is completed, hydraulic oil with set pressure is filled into the first hydraulic cavity 1-4 through the first hydraulic hole 1-6, hydraulic oil in the second hydraulic cavity 1-5 is discharged out of the hydraulic cavity 1-1 through the second hydraulic hole 1-7, the leather cup 1-2 moves to one side of the second hydraulic cavity 1-5 of the hydraulic cylinder 1 under the action of hydraulic oil pressure, and the leather cup 1-2 drives the transmission shaft 4 to move downwards through the connecting rod 1-3 and releases tension. The invention combines machinery and hydraulic pressure, and the leather cup is pushed to move up and down in the hydraulic cylinder by the hydraulic pressure, so that the transmission shaft moves axially, and the transmission shaft can be pulled by a preset tension value.
Embodiment one:
referring to fig. 4, the embodiment discloses a detection device with axial tension requirement, which comprises a hydraulic cylinder 1, wherein a hydraulic cavity 1-1 is arranged in the hydraulic cylinder 1, a connecting rod mounting hole is arranged on the hydraulic cylinder 1, a connecting rod 1-3 is arranged in the connecting rod mounting hole in a penetrating manner, the connecting rod 1-3 is connected with a leather cup 1-2, the leather cup 1-2 is arranged in the hydraulic cavity 1-1 and divides the hydraulic cavity 1-1 into a first hydraulic cavity 1-4 and a second hydraulic cavity 1-5, a first hydraulic hole 1-6 and a second hydraulic hole 1-7 are arranged on the hydraulic cylinder 1, the first hydraulic hole 1-6 is communicated with the first hydraulic cavity 1-4, the second hydraulic hole 1-7 is communicated with the second hydraulic cavity 1-5, a transmission shaft clamping part 2 is arranged on the connecting rod 1-3, and the transmission shaft clamping part 2 is positioned outside the hydraulic cylinder 1.
Referring to fig. 3, the transmission shaft clamping part 2 comprises a connecting sleeve 2-1, the connecting sleeve 2-1 is fixedly connected with a connecting rod 1-3, a plurality of internal splines are axially arranged in the connecting sleeve 2-1, a locking sleeve 2-2 is sleeved on the connecting sleeve 2-1, and a plurality of longitudinal notches are formed in the connecting sleeve 2-1. When the transmission shaft 4 is particularly in operation, the connecting sleeve 2-1 is sleeved on the transmission shaft 4, the internal spline of the connecting sleeve 2-1 is matched with the external spline of the transmission shaft 4, the locking sleeve 2-2 is rotated, and the connecting sleeve 2-1 is tightened through the locking sleeve 2-2, so that the connecting sleeve 2-1 is firmly connected with the transmission shaft 4. In the process of tightening the connecting sleeve 2-1 by the locking sleeve 2-2, the gap of the notch on the connecting sleeve 2-1 is reduced.
The outer side of the connecting sleeve 2-1 is provided with a conical surface, and the inside of the locking sleeve 2-2 is provided with a conical surface which is jointed with the conical surface of the connecting sleeve 2-1. The locking sleeve 2-2 is rotated, and the conical surface of the locking sleeve 2-2 and the conical surface of the connecting sleeve 2-1 are mutually extruded, so that the locking sleeve 2-2 is tightened.
The connecting sleeve 2-1 is engaged with the locking sleeve 2-2 through threads.
The connecting sleeve 2-1 is connected with the connecting rod 1-3 through the bolt 2-3.
Embodiment two:
referring to fig. 4, the embodiment discloses a detection device with axial tension requirement, which comprises a hydraulic cylinder 1, wherein a hydraulic cavity 1-1 is arranged in the hydraulic cylinder 1, a connecting rod mounting hole is arranged on the hydraulic cylinder 1, a connecting rod 1-3 is arranged in the connecting rod mounting hole in a penetrating manner, the connecting rod 1-3 is connected with a leather cup 1-2, the leather cup 1-2 is arranged in the hydraulic cavity 1-1 and divides the hydraulic cavity 1-1 into a first hydraulic cavity 1-4 and a second hydraulic cavity 1-5, a first hydraulic hole 1-6 and a second hydraulic hole 1-7 are arranged on the hydraulic cylinder 1, the first hydraulic hole 1-6 is communicated with the first hydraulic cavity 1-4, the second hydraulic hole 1-7 is communicated with the second hydraulic cavity 1-5, a transmission shaft clamping part 2 is arranged on the connecting rod 1-3, and the transmission shaft clamping part 2 is positioned outside the hydraulic cylinder 1.
The first hydraulic pressure hole 1-6 and the second hydraulic pressure hole 1-7 are both communicated with the hydraulic pressure switching member 3.
Referring to fig. 5a, 5b and 5c, the hydraulic switching part 3 includes a hydraulic housing 3-1, a first oil inlet 3-2, a first pipe joint 3-3, a second pipe joint 3-4 and a third pipe joint 3-5 are formed on the hydraulic housing 3-1, a hydraulic switching shaft 3-6 is embedded in the hydraulic housing 3-1, a second oil inlet 3-7 and an oil guiding hole 3-8 are formed in the hydraulic switching shaft 3-6, the second oil inlet 3-7 is communicated with the first oil inlet 3-2, the hydraulic switching shaft 3-6 is rotated, the second oil inlet 3-7 can be respectively communicated with the first pipe joint 3-3 and the third pipe joint 3-5, when the second oil inlet 3-7 is communicated with any one of the first pipe joint 3-3 and the third pipe joint 3-5, the oil guiding hole 3-8 is communicated with the other two pipe joints, the first pipe joint 3-3 is communicated with the second hydraulic hole 1-7, and the third pipe joint 3-5 is communicated with the first hydraulic hole 1-6. For example, referring to fig. 5c, when the second oil inlet hole 3-7 communicates with the first pipe joint hole 3-3, the oil guide hole 3-8 communicates with the second pipe joint hole 3-4 and the third pipe joint hole 3-5. At this time, the hydraulic oil sequentially enters the second oil inlet hole 3-7, the first pipe joint hole 3-3, the second hydraulic hole 1-7 and the second hydraulic cavity 1-5 from the first oil inlet hole 3-2, and the hydraulic oil in the first hydraulic cavity 1-4 sequentially passes through the first hydraulic hole 1-6, the third pipe joint hole 3-5, the oil guide hole 3-8 and the second pipe joint hole 3-4 to be discharged. Referring to fig. 5d, when the second oil inlet hole 3-7 communicates with the third pipe joint hole 3-5, the oil guide hole 3-8 communicates with the first pipe joint hole 3-3 and the second pipe joint hole 3-4. At this time, the hydraulic oil sequentially enters the second oil inlet hole 3-7, the third pipe joint hole 3-5, the first hydraulic hole 1-6 and the first hydraulic cavity 1-4 from the first oil inlet hole 3-2, and the hydraulic oil in the second hydraulic cavity 1-5 sequentially passes through the second hydraulic hole 1-7, the first pipe joint hole 3-3, the oil guide hole 3-8 and the second pipe joint hole 3-4 to be discharged.
The first oil inlet hole 3-2 and the second oil inlet hole 3-7 are coaxially arranged, and the first pipe joint hole 3-3, the second pipe joint hole 3-4 and the third pipe joint hole 3-5 are uniformly distributed with respect to the circumference of the second oil inlet hole 3-7.
The hydraulic switching shaft 3-6 is provided with a handle 3-9.
Embodiment III:
referring to fig. 4, the embodiment discloses a detection device with axial tension requirement, which comprises a hydraulic cylinder 1, wherein the output end of the hydraulic cylinder 1 is connected with a transmission shaft clamping part 2, and the transmission shaft clamping part 2 is used for clamping and connecting a transmission shaft 4.
Selecting a transmission shaft clamping part 2: according to fig. 1, the clamping part of the device can only be selected at the spline part, and the mode of screwing the nut into the open spline bushing can be selected, as shown in fig. 3.
The connecting sleeve 2-1 is matched with a spline of the transmission shaft, the lock sleeve 2-2 is screwed up, the connecting sleeve 2-1 is tightly held with the transmission shaft, then the connecting sleeve 2-1 is connected with the connecting rod 1-3 by the plug pin 2-3, the connecting rod 1-3 is driven to ascend by hydraulic pressure, and the spline is driven to move upwards until the limiting block stops, so that the force application requirement is met.
Design of a hydraulic cylinder:
calculating input oil pressure: p=f/s=600/pi (20X 20-9X 9) =0.6 MPa, at which time the cylinder bore diameter is chosen to be 40mm and the rod diameter is chosen to be 18mm. Only 0.6MPa of oil is introduced into the hydraulic cylinder, so that the 600N tension can be realized, as shown in fig. 4.
Referring to fig. 4 and 5, when the handle is turned, the second oil inlet 3-7 is communicated with the first pipe joint 3-3, the second pipe joint 3-4 is communicated with the third pipe joint 3-5, kerosene of 0.6MPa is supplied to the device from the second oil inlet 3-7, at this time, oil enters the lower portion of the oil cylinder through the first pipe joint 3-3, pushes the leather cup to drive the connecting rod and the transmission shaft to move upwards, and residual oil and air at the upper portion of the leather cup enter the second pipe joint 3-4 through the third pipe joint 3-5 to flow out. Referring to fig. 5c, when the leather cup drives the transmission shaft 4 to move upwards to the stop pressing plate at the lower part of the device, the transmission shaft 4 will not move upwards any more, if the transmission shaft is not pulled out at this time, the matching tightness of the steel wire check ring and the transmission shaft can be considered to meet the working requirement, and if the transmission shaft is pulled out, the proper steel wire check ring must be replaced.
After the test is finished, the oil inlet nozzle continues to feed oil, the handle is rotated, the second oil inlet hole 3-7 is communicated with the third pipe joint hole 3-5, the first pipe joint hole 3-3 is communicated with the second pipe joint hole 3-4, and referring to fig. 5d, at the moment, oil enters the upper part of the oil cylinder through the third pipe joint hole 3-5 to push the leather cup to drive the connecting rod and the transmission shaft to move downwards, and the oil at the lower part of the leather cup enters the second pipe joint hole 3-4 through the first pipe joint hole 3-3 and flows out. And the product part falls to the original position to finish the test.
The invention has the advantages that: the connecting rod is pushed to move up and down by hydraulic oil to drive the transmission shaft to move axially, and the method is simple and convenient to operate, reliable in force value, stable in operation, applicable to part inspection with tensile force requirements and also applicable to part disassembly.
Based on the structure, the invention discloses a working method of a detection device with axial tension value requirements, which comprises the following steps:
s1, a transmission shaft 4 is fixedly connected through a transmission shaft clamping part 2;
s2, filling hydraulic oil with set pressure into the second hydraulic cavity 1-5 through the second hydraulic hole 1-7, discharging the hydraulic oil in the first hydraulic cavity 1-4 from the hydraulic cavity 1-1 through the first hydraulic hole 1-6, enabling the leather cup 1-2 to move to one side of the first hydraulic cavity 1-4 of the hydraulic cylinder 1 under the action of the hydraulic oil pressure, enabling the leather cup 1-2 to drive the transmission shaft 4 to move upwards through the connecting rod 1-3 and applying tension to the transmission shaft 4;
s3, filling hydraulic oil with set pressure into the first hydraulic cavity 1-4 through the first hydraulic hole 1-6, discharging the hydraulic oil in the second hydraulic cavity 1-5 from the hydraulic cavity 1-1 through the second hydraulic hole 1-7, enabling the leather cup 1-2 to move to one side of the second hydraulic cavity 1-5 of the hydraulic cylinder 1 under the action of the hydraulic oil pressure, and enabling the leather cup 1-2 to drive the transmission shaft 4 to move downwards and release tension through the connecting rod 1-3.
In another possible embodiment of the invention, the following is adapted as appropriate. The transmission shaft 4 is fixedly connected through the transmission shaft clamping part 2. The hydraulic oil with set pressure is filled into the second hydraulic cavity 1-5 through the second hydraulic hole 1-7, the hydraulic oil in the first hydraulic cavity 1-4 is discharged out of the hydraulic cavity 1-1 through the first hydraulic hole 1-6, the leather cup 1-2 moves to one side of the first hydraulic cavity 1-4 of the hydraulic cylinder 1 under the action of the hydraulic oil pressure, and the leather cup 1-2 drives the transmission shaft 4 to move upwards through the connecting rod 1-3 and applies tension to the transmission shaft 4. The pressure difference is formed by applying different pressures to the media in the first hydraulic cavity 1-4 and the second hydraulic cavity 1-5, so that the pressure is applied to the leather cup 1-2, and the leather cup 1-2 moves up and down in the hydraulic cavity 1-1 and simultaneously outputs set tensile force outwards through the connecting rod 1-3. The hydraulic oil with set pressure is filled into the first hydraulic cavity 1-4 through the first hydraulic hole 1-6, the hydraulic oil in the second hydraulic cavity 1-5 is discharged out of the hydraulic cavity 1-1 through the second hydraulic hole 1-7, the leather cup 1-2 moves to one side of the second hydraulic cavity 1-5 of the hydraulic cylinder 1 under the action of the hydraulic oil pressure, and the leather cup 1-2 drives the transmission shaft 4 to move downwards through the connecting rod 1-3 and releases tension. According to the invention, the leather cup is driven to move up and down in the hydraulic cylinder by hydraulic pressure, so that the transmission shaft moves axially, and the transmission shaft can be pulled by a preset tension value.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a detection device that has axial pulling force value to require, a serial communication port, including pneumatic cylinder (1), set up hydraulic pressure chamber (1-1) in pneumatic cylinder (1), set up the connecting rod mounting hole on pneumatic cylinder (1), wear to be equipped with connecting rod (1-3) in the connecting rod mounting hole, connecting rod (1-3) connect leather cup (1-2), in hydraulic pressure chamber (1-1) are arranged in and divide into hydraulic pressure chamber (1-1) and second hydraulic pressure chamber (1-5) with hydraulic pressure chamber (1-1), set up first hydraulic pressure hole (1-6) and second hydraulic pressure hole (1-7) on pneumatic cylinder (1), first hydraulic pressure hole (1-6) and first hydraulic pressure chamber (1-4) intercommunication, second hydraulic pressure hole (1-7) and second hydraulic pressure chamber (1-5) intercommunication, be equipped with transmission shaft clamping part (2) on connecting rod (1-3), transmission shaft clamping part (2) are located pneumatic cylinder (1) outside.
2. The detection device with the axial tension requirement according to claim 1, wherein the transmission shaft clamping part (2) comprises a connecting sleeve (2-1), the connecting sleeve (2-1) is fixedly connected with a connecting rod (1-3), a plurality of internal splines are axially arranged in the connecting sleeve (2-1), a locking sleeve (2-2) is sleeved on the connecting sleeve (2-1), and a plurality of longitudinal notches are formed in the connecting sleeve (2-1).
3. A device for detecting axial tension according to claim 2, wherein the outer side of the connecting sleeve (2-1) is provided with a conical surface, and the locking sleeve (2-2) is internally provided with a conical surface which is jointed with the conical surface of the connecting sleeve (2-1).
4. A device for detecting the requirement of an axial tension according to claim 3, wherein the connecting sleeve (2-1) is engaged with the locking sleeve (2-2) by means of a screw thread.
5. A device for detecting the requirement of an axial tension according to claim 2, wherein the connecting sleeve (2-1) is connected with the connecting rod (1-3) through a bolt (2-3).
6. A device for detecting the requirement of an axial tension according to claim 1, wherein the first hydraulic hole (1-6) and the second hydraulic hole (1-7) are both in communication with the hydraulic switching member (3).
7. The detection device with the axial tension requirement according to claim 6, wherein the hydraulic switching component (3) comprises a hydraulic shell (3-1), a first oil inlet hole (3-2), a first pipe joint hole (3-3), a second pipe joint hole (3-4) and a third pipe joint hole (3-5) are formed in the hydraulic shell (3-1), a hydraulic switching shaft (3-6) is embedded in the hydraulic shell (3-1), a second oil inlet hole (3-7) and an oil guide hole (3-8) are formed in the hydraulic switching shaft (3-6), the second oil inlet hole (3-7) is communicated with the first oil inlet hole (3-2), the hydraulic switching shaft (3-6) is rotated, the second oil inlet hole (3-7) can be communicated with the first pipe joint hole (3-3) and the third pipe joint hole (3-5) respectively, and when the second oil inlet hole (3-7) is communicated with any one of the first pipe joint hole (3-3) and the third pipe joint hole (3-5), the second oil inlet hole (3-7) is communicated with the first pipe joint hole (3-5), and the second oil inlet hole (3-7) is communicated with the second pipe joint hole (3-5).
8. A device for detecting axial tension requirements according to claim 7, wherein the first oil inlet hole (3-2) and the second oil inlet hole (3-7) are coaxially arranged, and the first pipe joint hole (3-3), the second pipe joint hole (3-4) and the third pipe joint hole (3-5) are uniformly distributed with respect to the circumference of the second oil inlet hole (3-7).
9. A device for detecting the axial tension requirement according to claim 8, wherein the hydraulic switching shaft (3-6) is provided with a handle (3-9).
10. A method of operating a device for detecting axial tension requirements according to any one of claims 1 to 9, comprising the steps of:
the transmission shaft (4) is fixedly connected through the transmission shaft clamping part (2);
filling hydraulic oil with set pressure into the second hydraulic cavity (1-5) through the second hydraulic hole (1-7), discharging the hydraulic oil in the first hydraulic cavity (1-4) from the hydraulic cavity (1-1) through the first hydraulic hole (1-6), enabling the leather cup (1-2) to move to one side of the first hydraulic cavity (1-4) of the hydraulic cylinder (1) under the action of the hydraulic oil pressure, and enabling the leather cup (1-2) to drive the transmission shaft (4) to move upwards through the connecting rod (1-3) and apply tension to the transmission shaft (4);
the hydraulic oil with fixed pressure is filled into the first hydraulic cavity (1-4) through the first hydraulic hole (1-6), the hydraulic oil in the second hydraulic cavity (1-5) is discharged out of the hydraulic cavity (1-1) through the second hydraulic hole (1-7), the leather cup (1-2) moves to one side of the second hydraulic cavity (1-5) of the hydraulic cylinder (1) under the action of the hydraulic oil pressure, and the leather cup (1-2) drives the transmission shaft (4) to move downwards through the connecting rod (1-3) and release tension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311586672.0A CN117606938A (en) | 2023-11-24 | 2023-11-24 | Detection device with axial tension value requirement and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311586672.0A CN117606938A (en) | 2023-11-24 | 2023-11-24 | Detection device with axial tension value requirement and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117606938A true CN117606938A (en) | 2024-02-27 |
Family
ID=89945800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311586672.0A Pending CN117606938A (en) | 2023-11-24 | 2023-11-24 | Detection device with axial tension value requirement and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117606938A (en) |
-
2023
- 2023-11-24 CN CN202311586672.0A patent/CN117606938A/en active Pending
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