CN115144279A - Balance weight weighing and drop test composite device - Google Patents
Balance weight weighing and drop test composite device Download PDFInfo
- Publication number
- CN115144279A CN115144279A CN202210918921.0A CN202210918921A CN115144279A CN 115144279 A CN115144279 A CN 115144279A CN 202210918921 A CN202210918921 A CN 202210918921A CN 115144279 A CN115144279 A CN 115144279A
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- balance weight
- upright post
- drop test
- support plate
- main upright
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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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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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
-
- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- 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)
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- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a balance weight weighing and drop test composite device which comprises a base, a main upright post, a horizontal support plate, a support rod, an electromagnet and a rubber vacuum bowl, wherein the main upright post is arranged on the base; the main upright post is arranged at the top of the base, the horizontal support plate is arranged on the main upright post through a lifting device, the lifting device can drive the horizontal support plate to lift along the main upright post, one end of the support rod is connected with the bottom of the horizontal support plate, the other end of the support rod is provided with the electromagnet, and the bottom of the electromagnet is provided with the rubber vacuum bowl; a weight sensor is also arranged on the supporting rod; the balance weight and drop test compound device disclosed by the invention can be widely suitable for balance weights made of various materials and in various sizes, and can be used for simultaneously carrying out weighing and drop tests, so that the labor and the test time are saved, and the test precision is ensured.
Description
Technical Field
The invention relates to the technical field of railway corollary equipment, in particular to a balance weight and drop test compound device.
Background
The balance weight is used for ensuring the constant tension of a contact net in the electrified railway, and a mode of combining and suspending a plurality of balance weights is adopted. Therefore, the floating range of the weight of a single weight is highly required. The weight of a single weight is clearly specified to be 25kg in the standard of the railway industry, and the error does not exceed 2 percent, namely 500g. Considering the installation quantity and the requirement of the contact network investment, the weight material needs to be a material with higher density, good corrosion resistance and low price, and common weight materials include various types such as concrete, cast iron, composite materials and the like. The size of the balance weight is limited by the installation space of the balance weight, the balance weight is round, square and the like, and the sizes of the balance weight are not uniform. In conclusion, the weight has the characteristics of various materials, complex shape, high requirement on weight and the like. The current balance weight inspection process has the defects that:
firstly, the weight is made of more materials, such as cast iron and other metal materials, a magnetic material-doped concrete weight and a magnetic material-doped composite weight are adopted. Meanwhile, the shape of the balance weight is round or square, and the difference of the shape and the size of the balance weight is caused by different densities of the used materials. Therefore, it is necessary to develop a test apparatus capable of simultaneously adapting to weights of different materials and shapes for testing.
Secondly, when the balance weight is used for weighing and drop tests, the balance weight needs to be repeatedly moved to the weighing device and the drop test position by manpower, and great waste of manpower is caused.
Thirdly, the bottom surface of the balance weight is difficult to be completely contacted when the balance weight is contacted with the steel plate by manpower, so that the balance weight angle or edge of part of the balance weight is broken when the balance weight is in a drop test, and the test precision is difficult to be ensured.
Disclosure of Invention
The invention aims to provide a balance weight and drop test compound device, which solves the problems in the prior art, can be widely suitable for balance weights made of various materials and in various sizes, can simultaneously carry out weighing and drop tests, saves labor and test time, and ensures test precision.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a balance weight weighing and drop test composite device which comprises a base, a main upright post, a horizontal support plate, a support rod, an electromagnet and a rubber vacuum bowl, wherein the main upright post is arranged on the base; the main upright post is arranged at the top of the base, the horizontal support plate is arranged on the main upright post through a lifting device, the lifting device can drive the horizontal support plate to lift along the main upright post, one end of the support rod is connected with the bottom of the horizontal support plate, the other end of the support rod is provided with the electromagnet, and the bottom of the electromagnet is provided with the rubber vacuum bowl; and the support rod is also provided with a weight sensor.
Preferably, the base top is provided with a replaceable homogeneous steel plate.
Preferably, the main upright is arranged at the edge of the base at the tail end of the homogeneous steel plate.
Preferably, rib plates are arranged on two sides of the bottom of the main upright post.
Preferably, the lifting device comprises a driving motor and a transmission belt, the transmission belt is embedded in the main upright column, the number of the transmission belt is two, the transmission belt is longitudinally arranged, the motor is provided with a driving gear, the driving gear is respectively connected with two driving wheels on the transmission belt through a transmission chain, the horizontal support plate sleeves are arranged outside the main upright column, strip-shaped through holes are longitudinally arranged on two sides of the main upright column, and the horizontal support plate is connected with the two transmission belts inside the main upright column through the strip-shaped through holes.
Preferably, the number of the supporting rods is four, the four supporting rods extend towards four directions from the bottom of the horizontal supporting plate, the connecting line of the tail ends of the four supporting rods is rectangular or square, and the tail end of each supporting rod is provided with the electromagnet and the rubber vacuum bowl.
Preferably, the electromagnet is connected with a power supply through a lead, and the rubber vacuum bowl is connected with a vacuumizing device through a pipeline.
Compared with the prior art, the invention has the following beneficial technical effects:
1. aiming at the characteristics of complex types and variable shapes of materials of the balance weight. The invention adopts a compound mode of electromagnet and vacuum adsorption, not only can be suitable for the weight containing iron magnetic materials, but also can be suitable for the weight without magnetic materials, and meanwhile, the device can be better adapted due to the difference of the weight shapes caused by different material densities and installation modes.
2. Aiming at the condition that the balance weight needs to be moved repeatedly in the balance weight test process, the balance weight test device adopts a mechanical lifting mode, a sensor is arranged in the balance weight test device to measure the balance weight, and a power-off or air-off mode is utilized, so that the lifting height of the balance weight can be accurately controlled in the one-time test process, and meanwhile, balance weight and drop tests are completed.
3. Aiming at the situation that the balance weight is difficult to stably fall and a steel plate in a balance weight falling test, the balance weight lifting device ensures the level of the bottom surface of the balance weight after lifting by using a mode that the horizontal supporting plate is matched with the four supporting rods, can ensure the instantaneity of power failure or vacuum break, prevents the balance weight from obliquely falling, and ensures the test precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a balance weight weighing and drop test composite device in the invention;
in the figure: 1-base, 2-homogeneous steel plate, 3-ribbed plate, 4-main upright post, 5-transmission belt, 6-horizontal support plate, 7-support rod, 8-electromagnet and 9-rubber vacuum bowl.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a balance weight and drop test composite device to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The balance weight and drop test composite device in the embodiment is shown in fig. 1 and comprises a base 1, a main upright post 4, a horizontal support plate 6, a support rod 7, an electromagnet 8 and a rubber vacuum bowl 9; the head tree 4 sets up in the top of base 1, and horizontal support plate 6 passes through elevating gear to be installed on head tree 4, and elevating gear can drive horizontal support plate 6 and go up and down along head tree 4, and the bottom of horizontal support plate 6 is connected to bracing piece 7 one end, and the other end of bracing piece 7 sets up electro-magnet 8, and the bottom of electro-magnet 8 sets up rubber vacuum bowl 9.
In this embodiment, the replaceable homogeneous steel plate 2 is disposed on the top of the base 1, and the homogeneous steel plate 2 can be replaced in time when damaged. The main upright post 4 is welded at the edge of the base 1 at the tail end of the homogeneous steel plate 2, and ribbed plates 3 are welded at two sides of the bottom of the main upright post 4, so that the stability of the main upright post 4 is improved.
In this embodiment, the lifting device includes a driving motor (not shown in the figure) and two transmission belts 5, the transmission belts 5 are embedded inside the main column 4, the two transmission belts 5 are both longitudinally arranged, the motor is provided with a driving gear, the driving gear is respectively connected with driving wheels on the two transmission belts 5 through a transmission chain, the horizontal support plate 6 is sleeved outside the main column 4, strip-shaped through holes are longitudinally arranged on two sides of the main column 4, and the horizontal support plate 6 is connected with the two transmission belts 5 inside the main column 4 through the strip-shaped through holes; driving motor passes through drive gear and drives the action wheel rotation of two drive belts 5, and then makes two drive belts 5 can be synchronous, and two drive belts 5 then drive horizontal support plate 6 and go up and down along head tree 4.
In this embodiment, four support rods 7 are provided, the four support rods 7 extend from the bottom of the horizontal support plate 6 towards four directions, the connecting line of the tail ends of the four support rods 7 is rectangular or square, so as to ensure balance, and the tail end of each support rod 7 is provided with an electromagnet 8 and a rubber vacuum bowl 9. Four supporting rods 7 are arranged to realize four-point lifting, so that plane contact is realized, and normal use of the rubber vacuum bowl 9 and the electromagnet 8 is guaranteed.
The electromagnet 8 is connected with a power supply through a wire, and the electromagnet 8 is provided with a weight which can magnetically adsorb ferromagnetic materials after being electrified; the rubber vacuum bowl 9 is connected with a vacuumizing device, and absorbs the weight of the non-magnetic material after vacuumizing.
The balance weight and drop test composite device disclosed by the invention has the following working principle:
the test weight is firstly placed on the base 1, the driving motor controls the driving belt 5 to enable the horizontal supporting plate 6 to descend along the main upright post 4, if the test weight is made of ferromagnetic materials, the electromagnet 8 is used for adsorbing the weight, if the test weight is made of nonmagnetic materials, the rubber vacuum bowl 9 is buckled on the surface of the weight, and adsorption is completed after vacuumizing. The horizontal support plate 6 is then lifted 500mm. The weight of the balance weight is read by a weight sensor arranged on the support rod 7. After standing for a period of time, the electromagnet 8 is suddenly switched off or the vacuum in the rubber vacuum bowl 9 is cut off. The test weight will fall flat on the homogeneous steel plate 2.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, this summary should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a balance weight is weighed and drop test set composite which characterized in that: comprises a base, a main upright post, a horizontal supporting plate, a supporting rod, an electromagnet and a rubber vacuum bowl; the main upright post is arranged at the top of the base, the horizontal support plate is arranged on the main upright post through a lifting device, the lifting device can drive the horizontal support plate to lift along the main upright post, one end of the support rod is connected with the bottom of the horizontal support plate, the other end of the support rod is provided with the electromagnet, and the bottom of the electromagnet is provided with the rubber vacuum bowl; and the support rod is also provided with a weight sensor.
2. The balance weight and drop test composite device according to claim 1, characterized in that: the top of the base is provided with a replaceable homogeneous steel plate.
3. The balance weight weighing and drop test composite device of claim 2, characterized in that: the main upright column is arranged at the edge of the base at the tail end of the homogeneous steel plate.
4. The balance weight and drop test composite device according to claim 3, characterized in that: ribbed plates are arranged on two sides of the bottom of the main upright post.
5. The balance weight weighing and drop test composite device of claim 1, characterized in that: the lifting device comprises a driving motor and a driving belt, the driving belt is embedded in the main stand column, two driving belts are arranged vertically, a driving gear is arranged on the motor and is connected with two driving wheels on the driving belt through a driving chain respectively, the horizontal support plate sleeves the outside of the main stand column, strip-shaped through holes are longitudinally formed in two sides of the main stand column, and the horizontal support plate is connected with the two driving belts inside the main stand column through the strip-shaped through holes.
6. The balance weight weighing and drop test composite device of claim 1, characterized in that: the supporting rods are four, the supporting rods extend towards four directions from the bottom of the horizontal supporting plate, the connecting line of the tail ends of the supporting rods is rectangular or square, and the tail ends of the supporting rods are provided with the electromagnets and the rubber vacuum bowls.
7. The balance weight and drop test composite device according to claim 1, characterized in that: the electromagnet is connected with a power supply through a wire, and the rubber vacuum bowl is connected with a vacuumizing device through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918921.0A CN115144279A (en) | 2022-08-02 | 2022-08-02 | Balance weight weighing and drop test composite device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918921.0A CN115144279A (en) | 2022-08-02 | 2022-08-02 | Balance weight weighing and drop test composite device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115144279A true CN115144279A (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210918921.0A Pending CN115144279A (en) | 2022-08-02 | 2022-08-02 | Balance weight weighing and drop test composite device |
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| Country | Link |
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| CN (1) | CN115144279A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116698337A (en) * | 2023-06-06 | 2023-09-05 | 滕州市质量计量检测中心 | Weight weighing and drop test compound device |
-
2022
- 2022-08-02 CN CN202210918921.0A patent/CN115144279A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116698337A (en) * | 2023-06-06 | 2023-09-05 | 滕州市质量计量检测中心 | Weight weighing and drop test compound device |
| CN116698337B (en) * | 2023-06-06 | 2024-04-23 | 滕州市质量计量检测中心 | Weight weighing and drop test compound device |
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