CN111504161B - A hydraulic press distance measuring device - Google Patents
A hydraulic press distance measuring device Download PDFInfo
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- CN111504161B CN111504161B CN202010262165.1A CN202010262165A CN111504161B CN 111504161 B CN111504161 B CN 111504161B CN 202010262165 A CN202010262165 A CN 202010262165A CN 111504161 B CN111504161 B CN 111504161B
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- rotating wheel
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- synchronous rotating
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000009751 slip forming Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000109 continuous material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
- G01N3/12—Pressure testing
-
- 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
-
- 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
- G01N2203/0019—Compressive
-
- 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
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
现在的连续成型物料例如钢管等往往需要做管件承压测试，但是现有的成型管件压力测试水压系统中，经常出现密封头与压力测试管件对接不牢固，密封不完全的情况，而这一问题通常是由于压力测试水压系统伸出密封头的位置不准确造成的，因此为了解决如上的技术问题，本技术方案公开了一种具有同步转轮的水压机测距装置来精确密封头的伸出位置，提高密封头与被测管件的密封性，本技术方案对提高生产效率起到了很大的作用。
Nowadays, continuously formed materials such as steel pipes often need to be pressure-tested. However, in the existing hydraulic pressure system for pressure testing of formed pipes, the sealing head and the pressure test pipe are often not firmly connected and the seal is not complete. This problem is usually caused by the inaccurate position of the sealing head extended by the pressure test hydraulic system. Therefore, in order to solve the above technical problems, the present technical solution discloses a hydraulic press distance measuring device with a synchronous rotating wheel to accurately measure the extended position of the sealing head, thereby improving the sealing between the sealing head and the pipe being tested. The present technical solution plays a great role in improving production efficiency.
Description
Technical Field
The invention relates to the technical field of continuous molding material pressure testing, in particular to a distance measuring device for a test hydraulic press.
Background
The existing production line in the field of continuous forming materials tends to be mature, however, after the continuous materials such as steel pipes and other materials are formed, the pressure test of the pipe fitting is sometimes needed, if the formed pipe fitting is singly taken to a pressure test machine for pressure test, the production efficiency of the whole production line is affected, if the production efficiency of the production line is not affected, and the pressure test of the formed pipe fitting can be finished according to the standard, a pressure test device is needed to be added to the production line to meet the high-speed production of the production line, but in the existing pressure test hydraulic system for the formed pipe fitting, the situation that the butt joint of a sealing head and the pressure test pipe fitting is not firm and the sealing is incomplete often caused, and the problem is generally caused by the inaccurate position of the pressure test hydraulic system extending out of the sealing head, so that in order to solve the technical problem, the improvement of the production efficiency, the development of a hydraulic ranging device is particularly important.
Disclosure of Invention
The embodiment of the invention provides a range finder of a hydraulic press, which can more conveniently and rapidly finish the butt joint of a pressure test hydraulic system and a pipe fitting to be tested and improve the production efficiency of the whole production line.
On the one hand, a hydraulic press range unit, including fixed frame (1 a), telescoping device (2 a) and hydraulic means (3 a) are all installed on fixed frame (1 a), telescoping device (2 a) are responsible for accomplishing with the butt joint and the sealed of being measured pressure material, and hydraulic means (3 a) are responsible for accomplishing and are pressed the test to being measured pressure material, characterized by still being equipped with range unit (4 a) on fixed frame (1 a), range unit (4 a) are installed on fixed frame (1 a) and are close to telescoping device (2 a), range unit (4 a) still are equipped with synchronous runner (4 a 1), synchronous runner (4 a 1) and telescoping device (2 a) contact each other, synchronous runner (4 a 1) follow telescoping device (2 a) motion and produce and rotate when telescoping device (2 a) are flexible to the distance of accurate control telescoping device (2 a) according to the rotation angle of synchronous runner (4 a 1).
According to one aspect of the embodiment of the present invention, the distance measuring device (4 a) is further provided with a pressurizing device (4 a 2), and the pressurizing device (4 a 2) is disposed at an end of the synchronous rotating wheel (4 a 1) and continuously applies pressure to the synchronous rotating wheel (4 a 1) to ensure that the synchronous rotating wheel (4 a 1) is always attached to the telescopic device (2 a), so as to ensure that the synchronous rotating wheel (4 a 1) always moves synchronously relative to the telescopic device (2 a).
According to one aspect of the embodiment of the present invention, a sliding rod (4 a2 a), a pressure spring (4 a2 b) and a mounting seat (4 a2 c) are further disposed in the pressurizing device (4 a 2), a sliding hole (4 a2c 1) is disposed on the mounting seat (4 a2 c), the sliding rod (4 a2 a) is installed in the sliding hole (4 a2c 1) and can freely stretch out and draw back therein, the synchronous rotating wheel (4 a 1) is installed at the end of the sliding rod (4 a2 a), and the pressure spring (4 a2 b) is sleeved on the sliding rod (4 a2 a) and supported between the mounting seat (4 a2 c) and the synchronous rotating wheel (4 a 1).
According to one aspect of the embodiment of the invention, the hole center line of the sliding hole (4 a2c 1) is perpendicular to the moving direction of the telescopic device (2 a), so that the telescopic moving direction of the sliding rod (4 a2 a) is perpendicular to the moving direction of the telescopic device (2 a), and the perpendicular arrangement reduces the measurement error generated by the up-and-down floating of the telescopic device (2 a) when the synchronous rotating wheel (4 a 1) and the telescopic device (2 a) synchronously move.
According to one aspect of the embodiment of the present invention, an electronic counting device (4 a 3) is further disposed in the distance measuring device (4 a), the electronic counting device (4 a 3) is connected with the synchronous rotating wheel (4 a 1) and can rotate synchronously with the synchronous rotating wheel (4 a 1), and the electronic counting device (4 a 3) can record and calculate the rotation angle of the synchronous rotating wheel (4 a 1) through synchronous movement of the synchronous rotating wheel (4 a 1) and obtain the telescopic distance of the telescopic device (2 a) through a computer.
According to one aspect of the embodiment of the invention, the distance measuring device (4 a) is arranged above the telescopic device (2 a), and the synchronous rotating wheel (4 a 1) in the distance measuring device (4 a) can be naturally attached to the upper surface of the telescopic device (2 a) in a gravity state, so that the distance measuring device (4 a) can still work normally in a failure state of the pressurizing device (4 a 2).
According to one aspect of the embodiment of the invention, the front section of the telescopic device (2 a) is further provided with a sealing head (2 a 1), the distance measuring device (4 a) is arranged at the rear end of the sealing head (2 a 1), the lower end of the sealing head (2 a 1) is assembled and connected with the water pressure device (3 a), and the sealing head (2 a 1) can synchronously move in a telescopic manner along with the telescopic device (2 a).
According to one aspect of the embodiment of the invention, a hydraulic telescopic rod (3 a 1) is further arranged in the hydraulic device (3 a), and the hydraulic telescopic rod (3 a 1) can be extended or retracted, so that stable hydraulic pressure is provided for a hydraulic system when the sealing head (2 a 1) follows the telescopic movement of the telescopic device (2 a).
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The serial number is described as a fixed frame (1 a), a telescopic device (2 a), a sealing head (2 a 1), a hydraulic device (3 a), a hydraulic telescopic rod (3 a 1), a distance measuring device (4 a), a synchronous rotating wheel (4 a 1), a pressurizing device (4 a 2), a sliding rod (4 a2 a), a pressure spring (4 a2 b), a mounting seat (4 a2 c), a sliding hole (4 a2c 1), an electronic counting device (4 a 3) and a tubular material (5).
Fig. 1 is a basic structural schematic of an embodiment of the present invention.
Fig. 2 is a schematic view showing an extension structure of the telescopic device (2 a) according to the embodiment of the present invention.
Fig. 3 is a schematic view showing an operation state of the first embodiment of the present invention.
Fig. 4 is a schematic view of the working state of the second embodiment of the present invention.
Fig. 5 is a schematic view illustrating an operation state of a third embodiment of the present invention.
Fig. 6 is a schematic view illustrating an operation state of a fourth embodiment of the present invention.
Fig. 7 is a schematic view showing an operation state of a fifth embodiment of the present invention.
Fig. 8 is a schematic diagram showing an upward floating state according to a fifth embodiment of the present invention.
Fig. 9 is a schematic diagram showing a downward floating state according to a fifth embodiment of the present invention.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e. the invention is not limited to the preferred embodiments described, which is defined by the claims.
In describing embodiments of the present invention, it should be noted that "perpendicular" and "parallel" are not only absolute meanings in a mathematical sense, but are understood to be "substantially perpendicular" and "substantially parallel" unless otherwise indicated.
Fig. 1 is a basic structural schematic of an embodiment of the present invention.
Fig. 2 is a schematic view showing an extension structure of the telescopic device (2 a) according to the embodiment of the present invention.
According to the figures 1 and 2, a hydraulic press ranging device comprises a fixed frame (1 a) for supporting and positioning each part, a telescopic device (2 a) capable of realizing telescopic action and a hydraulic device (3 a) for providing test pressure, wherein the telescopic device (2 a) and the hydraulic device (3 a) are both arranged on the fixed frame (1 a), the telescopic device (2 a) is arranged at the upper end position of the fixed frame (1 a), and the hydraulic device (3 a) is arranged below the telescopic device (2 a). The telescopic device (2 a) is responsible for completing butt joint and sealing of the measured materials, the water pressure device (3 a) is responsible for completing pressurization test of the measured materials, the telescopic device is characterized in that the upper end of the telescopic device (2 a) on the fixed frame (1 a) is further provided with a distance measuring device (4 a), the distance measuring device (4 a) is installed on the fixed frame (1 a) and is close to the upper end plane of the telescopic device (2 a), the distance measuring device (4 a) is further provided with a synchronous rotating wheel (4 a 1), the synchronous rotating wheel (4 a 1) is in contact with the upper end plane of the telescopic device (2 a), the cylindrical surface of the synchronous rotating wheel (4 a 1) is in contact fit with the upper end plane of the telescopic device (2 a), and when the telescopic device (2 a) stretches, the synchronous rotating wheel (4 a 1) follows the sliding of the upper end plane of the telescopic device (2 a) to generate rolling motion, so that the distance of the telescopic device (2 a) is accurately controlled according to the rotating angle of the synchronous rotating wheel (4 a 1). The front section of the telescopic device (2 a) is also provided with a sealing head (2 a 1), the distance measuring device (4 a) is arranged at the rear end of the sealing head (2 a 1), the lower end of the sealing head (2 a 1) is assembled and connected with the water pressure device (3 a), and the sealing head (2 a 1) can synchronously move in a telescopic manner along with the telescopic device (2 a). The hydraulic device (3 a) is also provided with a hydraulic telescopic rod (3 a 1), and the hydraulic telescopic rod (3 a 1) can extend or retract, so that the sealing head (2 a 1) is ensured to provide stable hydraulic pressure for the hydraulic system when following the telescopic motion of the telescopic device (2 a).
Fig. 3 is a schematic view showing an operation state of the first embodiment of the present invention.
According to one aspect of the first embodiment of the present invention, as shown in fig. 3, the distance measuring device (4 a) is further provided with a pressurizing device (4 a 2), the pressurizing device (4 a 2) is further provided with a sliding rod (4 a2 a), a pressure spring (4 a2 b) and a mounting seat (4 a2 c), the mounting seat (4 a2 c) is provided with a sliding hole (4 a2c 1), the hole center line of the sliding hole (4 a2c 1) is perpendicular to the moving direction of the telescopic device (2 a), so that the telescopic moving direction of the sliding rod (4 a2 a) is perpendicular to the moving direction of the telescopic device (2 a), and the perpendicular arrangement reduces the measurement error generated by the up-down floating of the telescopic device (2 a) when the synchronous rotating wheel (4 a 1) and the telescopic device (2 a) synchronously move. The sliding rod (4 a2 a) is an elongated smooth round rod, the sliding hole (4 a2c 1) is an elongated smooth round hole, and the sliding rod (4 a2 a) is arranged in the sliding hole (4 a2c 1) and can freely stretch and retract in the sliding hole. The technical solution here can be directly replaced by similar technical solutions according to technical means familiar to the person skilled in the art, for example, the sliding rod (4 a2 a) can also be an elongated square smooth rod, the sliding hole (4 a2c 1) is an elongated square smooth hole, and the sliding rod (4 a2 a) is installed in the sliding hole (4 a2c 1) and can freely stretch and retract therein. The lower end part of the sliding rod (4 a2 a) is provided with a fork frame, and the synchronous rotating wheel (4 a 1) is arranged at the lower end part of the sliding rod (4 a2 a) through the fork frame. The pressure spring (4 a2 b) is sleeved outside the sliding rod (4 a2 a) and is supported between the mounting seat (4 a2 c) and the synchronous rotating wheel (4 a 1). The pressurizing device (4 a 2) is arranged at the upper end part of the synchronous rotating wheel (4 a 1) and continuously applies pressure to the synchronous rotating wheel (4 a 1) to ensure that the synchronous rotating wheel (4 a 1) is always attached to the telescopic device (2 a), and ensure that the synchronous rotating wheel (4 a 1) always moves synchronously relative to the telescopic device (2 a).
According to one aspect of the first embodiment of the present invention, an electronic counting device (4 a 3) is further provided in the distance measuring device (4 a), and the electronic counting device (4 a 3) is connected with the synchronous rotating wheel (4 a 1) and can rotate synchronously with the synchronous rotating wheel (4 a 1). When the synchronous rotating wheel (4 a 1) is matched with the telescopic device (2 a) in a mutual contact way, the telescopic device (2 a) drives the synchronous rotating wheel (4 a 1) to synchronously rotate when being extended or retracted, and the electronic counting device (4 a 3) can record and calculate the rotating angle of the synchronous rotating wheel (4 a 1) so as to obtain the telescopic distance of the telescopic device (2 a) through a computer. When the telescopic device (2 a) stretches out to a proper length, namely, the sealing head (2 a 1) at the front end of the telescopic device (2 a) stretches out to the position of the tubular material (5) and is matched with the tubular material (5) to enable the water pressure device (3 a) and the tubular material (5) to be closed into a sealing state, the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to a computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop stretching out. On the contrary, when the sealing test is finished, the telescopic device (2 a) is retracted, namely the telescopic device (2 a) drives the sealing head (2 a 1) at the front end to move away from the tubular material (5), and when the sealing head (2 a 1) is successfully separated from the tubular material (5), the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to the computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop retracting, so that the telescopic device (2 a) is finished.
Fig. 4 is a schematic view of the working state of the second embodiment of the present invention.
According to one aspect of the second embodiment of the present invention, which is different from the first embodiment, the distinguishing technical feature is that the lower end portion of the sliding rod (4 a2 a) is not provided with a fork, the lower end portion of the sliding rod (4 a2 a) is provided with a contact head, the synchronous rotating wheel (4 a 1) is disposed in a floating frame, one end of the floating frame is provided with a circular hole, the lower end of the mounting seat (4 a2 c) is provided with a supporting hole, the circular hole at the end portion of the floating frame is connected with the supporting hole through a rotating shaft, and the floating frame can swing around the supporting hole. The synchronous runner (4 a 1) is arranged in the floating frame and presses down to the surface of the telescopic device (2 a), so that the synchronous runner (4 a 1) can be in contact with the surface of the telescopic device (2 a), a contact head at the lower end part of the sliding rod (4 a2 a) presses down on the upper end of the floating frame, and the pressure spring (4 a2 b) is sleeved on the sliding rod (4 a2 a) and is supported between the mounting seat (4 a2 c) and the floating frame. The pressurizing device (4 a 2) is arranged at the upper end part of the synchronous rotating wheel (4 a 1) and continuously applies pressure to the synchronous rotating wheel (4 a 1) to ensure that the synchronous rotating wheel (4 a 1) is always attached to the telescopic device (2 a), and ensure that the synchronous rotating wheel (4 a 1) always moves synchronously relative to the telescopic device (2 a).
According to one aspect of the second embodiment of the present invention, an electronic counting device (4 a 3) is also provided in the distance measuring device (4 a), and the electronic counting device (4 a 3) is connected with the synchronous rotating wheel (4 a 1) and can rotate synchronously with the synchronous rotating wheel (4 a 1). The electronic counting device (4 a 3) can record and calculate the rotation angle of the synchronous rotating wheel (4 a 1) so as to obtain the telescopic distance of the telescopic device (2 a) through a computer. When the telescopic device (2 a) stretches out to a proper length, namely, the sealing head (2 a 1) at the front end of the telescopic device (2 a) stretches out to the position of the tubular material (5) and is matched with the tubular material (5) to enable the water pressure device (3 a) and the tubular material (5) to be closed into a sealing state, the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to a computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop stretching out. On the contrary, when the sealing test is finished, the telescopic device (2 a) is retracted, namely the telescopic device (2 a) drives the sealing head (2 a 1) at the front end to move away from the tubular material (5), and when the sealing head (2 a 1) is successfully separated from the tubular material (5), the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to the computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop retracting, so that the telescopic device (2 a) is finished.
Fig. 5 is a schematic view illustrating an operation state of a third embodiment of the present invention.
According to one aspect of the third embodiment of the present invention, as shown in fig. 5, the synchronous runner (4 a 1) is disposed in a floating frame, one end of the floating frame is provided with a circular hole, the lower end of the mounting seat (4 a2 c) is provided with a supporting hole, the circular hole at the end of the floating frame is connected with the supporting hole through a rotating shaft, and the floating frame can swing around the supporting hole. The synchronous runner (4 a 1) is arranged in the floating frame and is pressed down to the surface of the telescopic device (2 a), so that the synchronous runner (4 a 1) can be in contact with the surface of the telescopic device (2 a), and the difference technical characteristics of the second embodiment are that the pressurizing device (4 a 2) is a pressure spring (4 a2 b), the pressure spring (4 a2 b) is a spring piece capable of providing continuous pressure downwards, one end of the pressure spring (4 a2 b) is fixed on the mounting seat (4 a2 c), the other end of the pressure spring is pressed down to the upper end of the floating frame, and pressure is continuously applied to the synchronous runner (4 a 1) to ensure that the synchronous runner (4 a 1) is always attached to the telescopic device (2 a), and the synchronous runner (4 a 1) is ensured to synchronously move relative to the telescopic device (2 a) all the time.
According to one aspect of the third embodiment of the present invention, an electronic counting device (4 a 3) is also provided in the distance measuring device (4 a), and the electronic counting device (4 a 3) is connected with the synchronous rotating wheel (4 a 1) and can rotate synchronously with the synchronous rotating wheel (4 a 1). The electronic counting device (4 a 3) can record and calculate the rotation angle of the synchronous rotating wheel (4 a 1) so as to obtain the telescopic distance of the telescopic device (2 a) through a computer. When the telescopic device (2 a) stretches out to a proper length, namely, the sealing head (2 a 1) at the front end of the telescopic device (2 a) stretches out to the position of the tubular material (5) and is matched with the tubular material (5) to enable the water pressure device (3 a) and the tubular material (5) to be closed into a sealing state, the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to a computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop stretching out. On the contrary, when the sealing test is finished, the telescopic device (2 a) is retracted, namely the telescopic device (2 a) drives the sealing head (2 a 1) at the front end to move away from the tubular material (5), and when the sealing head (2 a 1) is successfully separated from the tubular material (5), the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to the computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop retracting, so that the telescopic device (2 a) is finished.
Fig. 6 is a schematic view illustrating an operation state of a fourth embodiment of the present invention.
According to an aspect of the fourth embodiment of the present invention, as shown in fig. 6, a parallelogram linkage mechanism is disposed between the synchronous runner (4 a 1) and the mounting seat (4 a2 c), and the pressure spring (4 a2 b) is disposed on two opposite hinge points of the parallelogram linkage mechanism, so that the parallelogram mechanism can be pulled to realize linkage movement, thereby enabling the synchronous runner (4 a 1) to realize pressing down on the telescopic device (2 a), and continuously applying pressure to the synchronous runner (4 a 1) to ensure that the synchronous runner (4 a 1) is always attached to the telescopic device (2 a), and ensure that the synchronous runner (4 a 1) always moves synchronously relative to the telescopic device (2 a).
Fig. 7 is a schematic view showing an operation state of a fifth embodiment of the present invention.
Fig. 8 is a schematic diagram showing an upward floating state according to a fifth embodiment of the present invention.
Fig. 9 is a schematic diagram showing a downward floating state according to a fifth embodiment of the present invention.
According to an aspect of the fifth embodiment of the present invention, as shown in fig. 7, 8 and 9, the synchronizing wheel (4 a 1) is disposed on a floating frame, and the synchronizing wheel (4 a 1) may be disposed in plurality, and the synchronizing wheels (4 a 1) are all attached to the telescopic device (2 a) and may form elastic forces attached to the telescopic device (2 a) with each other, and the floating frame continuously applies pressure to the synchronizing wheel (4 a 1) to ensure that the synchronizing wheel (4 a 1) is always attached to the telescopic device (2 a), and ensure that the synchronizing wheel (4 a 1) is always moved synchronously with respect to the telescopic device (2 a).
According to one aspect of the fourth and fifth embodiments of the present invention, an electronic counting device (4 a 3) is also provided in the distance measuring device (4 a), and the electronic counting device (4 a 3) is connected to the synchronous rotating wheel (4 a 1) so as to be rotatable synchronously with the synchronous rotating wheel (4 a 1). The electronic counting device (4 a 3) can record and calculate the rotation angle of the synchronous rotating wheel (4 a 1) so as to obtain the telescopic distance of the telescopic device (2 a) through a computer. When the telescopic device (2 a) stretches out to a proper length, namely, the sealing head (2 a 1) at the front end of the telescopic device (2 a) stretches out to the position of the tubular material (5) and is matched with the tubular material (5) to enable the water pressure device (3 a) and the tubular material (5) to be closed into a sealing state, the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to a computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop stretching out. On the contrary, when the sealing test is finished, the telescopic device (2 a) is retracted, namely the telescopic device (2 a) drives the sealing head (2 a 1) at the front end to move away from the tubular material (5), and when the sealing head (2 a 1) is successfully separated from the tubular material (5), the electronic counting device (4 a 3) obtains the position information of the telescopic device (2 a) and transmits the position information to the computer, and the computer sends out an instruction to enable the telescopic device (2 a) to stop retracting, so that the telescopic device (2 a) is finished.
It should be understood that the description of specific embodiments of the invention is intended for purposes of illustration and is not to be construed as unduly limiting the scope of the invention. The scope of the invention is defined by the claims and all embodiments falling within the scope and obvious equivalents thereof are covered.
Claims (8)
1. The utility model provides a hydraulic press range unit, includes fixed frame (1 a), telescoping device (2 a) and water pressure device (3 a) are all installed on fixed frame (1 a), telescoping device (2 a) are responsible for accomplishing the butt joint and the sealed with the material that is measured, and water pressure device (3 a) are responsible for accomplishing and are pressurized the test to the material that is measured, characterized by still is equipped with range unit (4 a) on fixed frame (1 a), range unit (4 a) are installed on fixed frame (1 a) and are close telescoping device (2 a), range unit (4 a) still are equipped with synchronous runner (4 a 1), synchronous runner (4 a 1) and telescoping device (2 a) contact each other, synchronous runner (4 a 1) follow telescoping device (2 a) motion and produce and rotate when telescoping device (2 a) stretches out and draws back to accurate control telescoping distance of telescoping device (2 a) according to the rotation angle of synchronous runner (4 a 1).
2. The hydraulic press ranging device according to claim 1, wherein the ranging device (4 a) is further provided with a pressurizing device (4 a 2), the pressurizing device (4 a 2) is arranged at the end of the synchronous rotating wheel (4 a 1), and continuously applies pressure to the synchronous rotating wheel (4 a 1) to ensure that the synchronous rotating wheel (4 a 1) is always attached to the telescopic device (2 a), and ensure that the synchronous rotating wheel (4 a 1) always moves synchronously relative to the telescopic device (2 a).
3. A hydraulic press ranging device according to claim 2, characterized in that the pressurizing device (4 a 2) is further provided with a sliding rod (4 a2 a), a pressure spring (4 a2 b) and a mounting seat (4 a2 c), the mounting seat (4 a2 c) is provided with a sliding hole (4 a2c 1), the sliding rod (4 a2 a) is installed in the sliding hole (4 a2c 1) and can freely stretch out and draw back in the sliding hole, the synchronous rotating wheel (4 a 1) is installed at the end part of the sliding rod (4 a2 a), and the pressure spring (4 a2 b) is sleeved outside the sliding rod (4 a2 a) and supported between the mounting seat (4 a2 c) and the synchronous rotating wheel (4 a 1).
4. A hydraulic press ranging device according to claim 3, wherein the hole center line of the sliding hole (4 a2c 1) is perpendicular to the moving direction of the telescopic device (2 a), so that the telescopic moving direction of the sliding rod (4 a2 a) is perpendicular to the moving direction of the telescopic device (2 a), and the perpendicular arrangement reduces the measuring error caused by the up-and-down floating of the telescopic device (2 a) when the synchronous rotating wheel (4 a 1) and the telescopic device (2 a) synchronously move.
5. The hydraulic press ranging device according to claim 4, wherein an electronic counting device (4 a 3) is further arranged in the ranging device (4 a), the electronic counting device (4 a 3) and the synchronous rotating wheel (4 a 1) are connected with each other to be capable of rotating synchronously with the synchronous rotating wheel (4 a 1), and the electronic counting device (4 a 3) can record and calculate the rotating angle of the synchronous rotating wheel (4 a 1) through synchronous movement of the synchronous rotating wheel (4 a 1) and the telescopic device (2 a) so as to obtain the telescopic distance of the telescopic device (2 a) through a computer.
6. A range unit for a hydraulic press according to any one of claims 1 to 5, wherein the range unit (4 a) is disposed above the telescopic unit (2 a), and the synchronous runner (4 a 1) in the range unit (4 a) can be naturally attached to the upper surface of the telescopic unit (2 a) under the gravity state, so as to ensure that the range unit (4 a) can still work normally under the failure state of the pressure unit (4 a 2).
7. A hydraulic press ranging device according to any one of claims 1 to 5, wherein the front section of the telescopic device (2 a) is further provided with a sealing head (2 a 1), the ranging device (4 a) is arranged at the rear end of the sealing head (2 a 1), the lower end of the sealing head (2 a 1) is assembled and connected with the hydraulic press device (3 a), and the sealing head (2 a 1) can synchronously move in a telescopic manner along with the telescopic device (2 a).
8. A hydraulic press ranging device according to one of claims 1 to 5, characterized in that a hydraulic telescopic rod (3 a 1) is further arranged in the hydraulic device (3 a), and the hydraulic telescopic rod (3 a 1) can be extended or retracted, so that the sealing head (2 a 1) can provide stable hydraulic pressure for a hydraulic system when following the telescopic movement of the telescopic device (2 a).
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| GB343270A (en) * | 1930-01-16 | 1931-02-19 | Cecil Daniel Andrew | Improvements in and relating to lathes for turning wheels, discs and the like |
| CN106813815B (en) * | 2015-11-27 | 2019-03-01 | 苏州市亿利华电子有限公司 | A kind of pcb board contraposition automatic detection device |
| FR3048500B1 (en) * | 2016-03-02 | 2018-03-02 | Etat Francais Represente Par Le Delegue General Pour L'armement | DEFORMATION SENSOR PERMITTING DISCRIMINATION OF MEASUREMENT ACCORDING TO THE DIRECTION OF THE DEFORMATION |
| CN106442156A (en) * | 2016-12-05 | 2017-02-22 | 无锡市创恒机械有限公司 | Water pressure testing device |
| CN207662309U (en) * | 2018-01-17 | 2018-07-27 | 青海时代新能源科技有限公司 | A kind of battery pole piece measuring motion |
| CN208313256U (en) * | 2018-05-11 | 2019-01-01 | 浙江鼎测地理信息技术有限公司 | A kind of hand-held wheeled type distance measuring apparatus |
| CN108709812A (en) * | 2018-06-28 | 2018-10-26 | 浙江青山钢管有限公司 | Steel pipe water pressure testing machine |
| CN208439264U (en) * | 2018-06-29 | 2019-01-29 | 东莞市中意厨房设备有限公司 | A kind of indoor intelligentized Furniture handling device |
| CN208833216U (en) * | 2018-10-23 | 2019-05-07 | 宁波竹韵家居用品有限公司 | Bamboo chip thickness detection apparatus |
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