CN218564036U - Supercharging device for vertical impact test table lock rod mechanism - Google Patents
Supercharging device for vertical impact test table lock rod mechanism Download PDFInfo
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- CN218564036U CN218564036U CN202222820342.0U CN202222820342U CN218564036U CN 218564036 U CN218564036 U CN 218564036U CN 202222820342 U CN202222820342 U CN 202222820342U CN 218564036 U CN218564036 U CN 218564036U
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Abstract
The utility model provides a vertical impact test platform supercharging device for locking lever mechanism, including the piston seat that has piston chamber and first intake and exhaust passageway, the supercharging chamber and second intake and exhaust passageway's supercharging seat has, a piston, the piston rod, the movably setting of piston is in the piston intracavity and separates into it first, two working chambers, first working chamber and first intake and exhaust passageway intercommunication, second working chamber and supercharging chamber, the second intake and exhaust passageway intercommunication, supercharging chamber and the coaxial setting of piston chamber, its sectional area ratio is 1-30, the second intake and exhaust passageway and external intercommunication, a piston rod tip and piston connection, another tip stretches into the supercharging chamber, when first intake and exhaust passageway admits air, can promote the direction removal of piston to compression second working chamber, make the hydraulic oil realization pressure boost of piston rod extrusion supercharging intracavity, when first intake and exhaust passageway exhausts, the high pressure hydraulic oil in the supercharging intracavity promotes the piston and realizes the pressure release to the direction removal of compressing first working chamber, and novel structure, the pressure boost is effectual, high durability and convenient use.
Description
Technical Field
The utility model belongs to the technical field of the test instrument, concretely relates to vertical impact test platform supercharging device for lock bar mechanism.
Background
The vertical impact test bed is a common laboratory test instrument and is used for simulating the capability of a product of bearing impact damage in actual use so as to evaluate the impact resistance of the product structure, optimize the structural strength of the product and improve the product quality through test data.
The common vertical impact test bed mostly comprises an impact main body, an impact table top, a lifting cylinder and other components, for example, chinese patent CN105865739B discloses such an impact test bed, the lifting cylinder drives the impact table top to rapidly move downwards, the impact main body is impacted by impact, vertical impact is simulated, after the lifting cylinder drives the impact table top to move upwards to a set position, the position of a piston rod needs to be locked through a locking rod mechanism, so as to determine initial test conditions, in order to ensure locking rod effect, most of the existing locking rod mechanisms are hydraulic locking rod mechanisms, brake is tightly pressed on the piston rod through high-pressure hydraulic oil, so as to realize locking rod, the boosting mode of the boosting device of the existing locking rod mechanism is mostly liquid-liquid boosting or electric-liquid boosting, boosting efficiency is low, boosting effect is not good, return speed during pressure release is slow, downward movement of the piston rod is easily influenced, and use is inconvenient.
Disclosure of Invention
The utility model aims at overcoming prior art's shortcoming, provide a novel structure, pressure boost effectual, convenient to use's vertical impact test platform supercharging device for locking lever mechanism.
In order to achieve the above object, the utility model discloses a technical scheme be, vertical impact test platform supercharging device for locking lever mechanism, include:
the piston seat is internally provided with a piston cavity and a first air inlet and exhaust channel, the piston cavity is internally provided with a piston which can move along the extension direction of the piston cavity, the outer wall of the piston is in dynamic sealing connection with the inner wall of the piston cavity to divide the piston cavity into a first working cavity and a second working cavity, the first working cavity is communicated with the first air inlet and exhaust channel, the end part of the second working cavity, far away from the first working cavity, penetrates through the piston seat to form a connecting port, and the end part of the first air inlet and exhaust channel, far away from the first working cavity, forms a first air inlet and exhaust port on the outer wall of the piston seat;
the pressurization seat is connected to the connecting port and used for plugging the connecting port, a pressurization cavity and a second air inlet and outlet channel are arranged in the pressurization seat, the pressurization cavity and the piston cavity are coaxially arranged, one end part of the pressurization cavity is communicated with the second working cavity, the other end part of the pressurization cavity is communicated with a hydraulic oil duct of the vertical impact test table locking rod mechanism, hydraulic oil is filled in the pressurization cavity, the ratio of the sectional area of the pressurization cavity to the sectional area of the piston cavity is 1;
one end part of the piston rod is connected with the end face, facing the second working cavity, of the piston, the other end part of the piston rod extends into the pressurization cavity, and the outer wall of the piston rod is in dynamic sealing connection with the inner wall of the pressurization cavity;
when first air inlet and outlet port admits air, gaseous promotion in the first working chamber the piston is to the compression the direction of second working chamber removes, drives the piston rod extrusion hydraulic oil in the pressure boost intracavity realizes the pressure boost when first air inlet and outlet port exhausts, hydraulic oil in the pressure boost intracavity promotes the piston is to the compression the direction of first working chamber removes, realizes the pressure release.
Preferably, the piston cavity extends horizontally along the left-right direction, and the two piston cavities are symmetrically distributed on the left side and the right side of the first air inlet and outlet passage.
Preferably, the first air inlet and outlet channel comprises a first vertical air channel and a first horizontal air channel which are vertically communicated, the end part of the first vertical air channel far away from the first horizontal air channel forms the first air inlet and outlet, and the end part of the first horizontal air channel far away from the first vertical air channel is communicated with the first working cavity.
Preferably, the second air inlet and outlet channel comprises a second vertical air channel and a second horizontal air channel which are vertically communicated, the end part of the second vertical air channel far away from the second horizontal air channel forms the second air inlet and outlet hole, and the end part of the second horizontal air channel far away from the second vertical air channel is communicated with the second working cavity.
Preferably, a return spring is arranged in the second working cavity, the return spring and the second working cavity are coaxially arranged, two end portions of the return spring respectively abut against the piston and the pressurizing seat, and the return spring has a tendency of driving the piston to move towards the direction of compressing the first working cavity.
Further preferably, the end surface of the piston facing the pressure increasing seat is provided with a first annular groove for accommodating one end of the return spring, and the end surface of the pressure increasing seat exposed in the second working cavity is provided with a second annular groove for accommodating the other end of the return spring.
Further preferably, the second annular groove is communicated with the second air inlet and outlet channel, so that the second air inlet and outlet channel is communicated with the second working chamber.
Preferably, the supercharging device further comprises a hydraulic oil supplementing unit, the hydraulic oil supplementing unit comprises an oil supplementing channel and an oil cup, the oil supplementing channel is arranged in the supercharging seat, one end of the oil supplementing channel is vertically communicated with the supercharging cavity, the other end of the oil supplementing channel vertically extends upwards and forms an oil supplementing port in the outer wall of the supercharging seat, the oil cup is connected to the supercharging seat through a hollow outer thread threaded sleeve, an oil outlet in the bottom of the oil cup is communicated with the oil supplementing port in a butt joint mode, and a check valve assembly is arranged at the oil outlet of the oil cup.
Further preferably, the check valve assembly comprises an oil outlet channel communicated with the oil outlet, a steel ball and an oil supplementing spring, the diameter of the oil outlet channel is larger than the diameter of the oil outlet, the steel ball is movably arranged in the oil outlet channel, two end portions of the oil supplementing spring respectively abut against the hollow outer thread threaded sleeve and the steel ball, and the oil supplementing spring has a tendency of driving the steel ball to move towards the direction for plugging the oil outlet.
Further preferably, the upper end of the hollow outer thread insert extends into the oil outlet channel and is in threaded connection with the inner wall of the oil outlet channel, and the lower end of the hollow outer thread insert extends into the oil supplementing channel and is in threaded connection with the inner wall of the oil supplementing channel.
Because of the application of the technical scheme, compared with the prior art, the utility model has the advantages of it is following:
when the first air inlet and outlet is used for air inlet, the high-pressure air in the first working cavity can push the piston to move towards the direction of compressing the second working cavity to drive the piston rod to extrude hydraulic oil in the pressurizing cavity to realize pressurization; this supercharging device novel structure can be through gas-liquid pressure boost, because the ratio of the sectional area in pressure boost chamber and the sectional area in piston chamber is 1-20, can also amplify atmospheric pressure at double, gives hydraulic oil for it, and the pressure boost is effectual, and the pressure release is fast, convenient to use.
Drawings
Fig. 1 is a schematic cross-sectional view of a preferred embodiment of the present invention in a pressurized state.
Fig. 2 is a schematic cross-sectional view of the preferred embodiment of the present invention in a pressure relief state.
Wherein: 10. a piston seat; 11a. A first working chamber; 11b. A second working chamber; 11c, a connecting port; 12. a first intake and exhaust passage; 12a. A first vertical air passage; 12b. A first horizontal airway; 12c, a first air inlet and outlet; 13. a piston; 131. a first annular groove; 20. a pressurizing seat; 21. a pressurizing cavity; 22. a second intake and exhaust passage; 22a. A second vertical gas duct; 22b. A second horizontal airway; 22c, a second air inlet and outlet; 23. a second annular groove; 30. a piston rod; 40. a return spring; 50. a hydraulic oil supplement unit; 51. an oil supplementing channel; 51a, an oil supplementing port; 52. an oil cup; 52a, a cup body; 52b, an oil cup cover; 521. an oil outlet; 53. a hollow outer thread insert; 54. a one-way valve assembly; 541. an oil outlet channel; 542. a steel ball; 543. oil-supplementing spring.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
The up-down and left-right directions described in the present invention are the up-down and left-right directions in fig. 1 and fig. 2.
As shown in fig. 1 and fig. 2, the utility model provides a vertical impact test platform supercharging device for locking lever mechanism which characterized in that includes: the piston assembly comprises a piston seat 10, a pressurization seat 20 and a piston rod 30, wherein the piston seat 10 horizontally extends along the left-right direction, a piston cavity and a first air inlet and outlet channel 12 are arranged in the piston seat 10, the piston cavity is a cylindrical cavity extending along the left-right direction, the number of the piston cavities is two, the two piston cavities are symmetrically distributed on the left side and the right side of the first air inlet and outlet channel 12, the structures of the two piston cavities are the same, the piston cavity positioned on the left side is taken as an example for description, a piston 13 capable of moving along the extending direction (the left-right direction) of the piston cavity is arranged in the piston cavity, an annular sealing ring groove is arranged on the outer wall of the piston 13, a sealing ring is arranged in the sealing ring groove, the outer wall of the piston 13 is in dynamic sealing connection with the inner wall of the piston cavity through the sealing ring, the piston cavity is divided into a first working cavity 11a positioned on the right side of the piston 13 and a second working cavity 11b positioned on the left side of the piston 13, the first working cavity 11a first air inlet and outlet channel 12 is communicated with the end of the first working cavity 11a first working cavity, a connecting port is formed on the end of the piston seat 11c of the outer wall of the piston seat 11c of the second working cavity 11b far away from the first working cavity 11a first air inlet and the first air inlet and outlet port; the pressurizing seat 20 is connected to the connecting port 11c and forms a seal for the connecting port 11c, a pressurizing cavity 21 and a second air inlet and exhaust channel 22 are arranged in the pressurizing seat 20, the pressurizing cavity 21 and the piston cavity are coaxially arranged and horizontally extend along the left-right direction, the right end part of the pressurizing cavity 21 is communicated with the second working cavity 11b, the left end part penetrates through the left end surface of the pressurizing seat 20 and then is communicated with a hydraulic oil channel of the vertical impact test table locking rod mechanism through a pipeline, hydraulic oil is filled in the pressurizing cavity 21, the ratio of the sectional area of the pressurizing cavity 21 to the sectional area of the piston cavity is 1; the right end part of the piston rod 30 is connected with the end face, facing the second working cavity 11b, of the piston 13, the left end part of the piston rod 30 extends into the pressurization cavity 21, the outer wall of the piston rod 30 is provided with an annular sealing ring groove, a sealing ring is arranged in the sealing ring groove, and the outer wall of the piston rod 30 is in dynamic sealing connection with the inner wall of the pressurization cavity 21 through the sealing ring;
the arrangement has the advantages that when the first air inlet and outlet 12c is used for air inlet, the high-pressure air in the first working cavity 11a pushes the piston 13 to move towards the direction of compressing the second working cavity 11b (move leftwards), the piston rod 30 is driven to extrude the hydraulic oil in the pressurizing cavity 21, and pressurization is achieved, and when the first air inlet and outlet 12c is used for air outlet, the high-pressure hydraulic oil in the pressurizing cavity 21 pushes the piston 13 to move towards the direction of compressing the first working cavity 11a (move rightwards), and pressure relief is achieved; novel structure can be through gas-liquid pressure boost, because the ratio of the sectional area in pressure boost chamber and the sectional area in piston chamber is 1-20, can also amplify atmospheric pressure doubly, gives hydraulic oil with it, and the pressure boost is effectual, and the pressure release is fast, convenient to use.
In the present embodiment, the first air intake and exhaust passage 12 includes a first vertical air passage 12a and a first horizontal air passage 12b which are vertically communicated, an end of the first vertical air passage 12a far away from the first horizontal air passage 12b forms a first air intake and exhaust port 12c, and an end of the first horizontal air passage 12b far away from the first vertical air passage 12a is communicated with the first working chamber 11 a; the second air inlet and outlet passage 22 includes a second vertical air passage 22a and a second horizontal air passage 22b which are vertically communicated, an end of the second vertical air passage 22a far away from the second horizontal air passage 22b forms a second air inlet and outlet hole 22c, and an end of the second horizontal air passage 22b far away from the second vertical air passage 22a is communicated with the second working chamber 11b.
In order to further improve the pressure relief efficiency, in this embodiment, a return spring 40 is disposed in the second working chamber 11b, the return spring 40 is disposed coaxially with the second working chamber 11b, two end portions of the return spring 40 respectively abut against the left end surface of the piston 13 and the right end surface of the pressure increasing seat 20, and the return spring 40 has a tendency of driving the piston 13 to move in a direction of compressing the first working chamber 11a.
In order to define the position of the end of the return spring 40 and avoid the end from shaking in the second working chamber 11b, in this embodiment, the end surface of the piston 13 facing the pressure increasing base 20 is provided with a first annular groove 131 for accommodating the right end of the return spring 40, the end surface of the pressure increasing base 20 exposed in the second working chamber 11b is provided with a second annular groove 23 for accommodating the left end of the return spring 40, and the second annular groove 23 is communicated with the second horizontal air duct 22b of the second air intake and exhaust passage 22, so that the second air intake and exhaust passage 22 is communicated with the second working chamber 11b.
In order to realize oil supplement, in the embodiment, the supercharging device also comprises a hydraulic oil supplementing unit 50, wherein the hydraulic oil supplementing unit 50 comprises an oil supplementing channel 51 and an oil cup 52, the oil supplementing channel 51 is arranged in the supercharging seat 20, the oil supplementing channel 51 vertically extends along the vertical direction, the lower end part of the oil supplementing channel 51 is vertically communicated with the supercharging cavity 21, the upper end part of the oil supplementing channel 51 vertically extends upwards and forms an oil supplementing port 51a on the outer wall of the supercharging seat 20, the oil cup 52 comprises a cup body 52a and a cup cover 52b, the cup body 52a is cylindrical, the hydraulic oil pump is characterized in that a cavity for containing hydraulic oil is formed in the hydraulic oil pump, the cup cover 52b covers the upper end portion of the cup body 52a, a through hole (not shown in the figure) for ventilation is formed in the cup cover 52b, an oil outlet 521 is formed in the bottom of the cup body 52a, the cup body 52a is connected to the pressure boosting base 20 through a hollow outer thread screw sleeve 53, the oil outlet 521 in the bottom of the cup body 52a is in butt joint communication with an oil supplementing port 51a, a one-way valve assembly 54 is arranged at the oil outlet 521 of the cup body 52a, the one-way valve assembly 54 comprises an oil outlet channel 541 communicated with the oil outlet 521, a steel ball 542 and an oil supplementing spring 543 arranged in the oil outlet channel 541 in a vertically extending mode in the vertical direction, the steel ball 542 can be arranged in the oil outlet channel 541 in a vertically moving mode, two end portions of the oil supplementing spring 543 respectively abut against the hollow outer thread screw sleeve 53 and the steel ball 542, the oil supplementing spring 543 has the tendency that the steel ball 542 drives the steel ball 542 to move towards the direction of blocking the oil outlet 521, the upper end portion of the hollow outer thread screw sleeve 53 extends into the oil outlet channel 541 and is connected with the inner wall 51 of the oil supplementing channel 51.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a vertical impact test platform supercharging device for lock bar mechanism which characterized in that includes:
the piston seat is internally provided with a piston cavity and a first air inlet and exhaust channel, the piston cavity is internally provided with a piston which can move along the extension direction of the piston cavity, the outer wall of the piston is in dynamic sealing connection with the inner wall of the piston cavity to divide the piston cavity into a first working cavity and a second working cavity, the first working cavity is communicated with the first air inlet and exhaust channel, the end part of the second working cavity, far away from the first working cavity, penetrates through the piston seat to form a connecting port, and the end part of the first air inlet and exhaust channel, far away from the first working cavity, forms a first air inlet and exhaust port on the outer wall of the piston seat;
the pressurization seat is connected to the connecting port and used for plugging the connecting port, a pressurization cavity and a second air inlet and outlet channel are arranged in the pressurization seat, the pressurization cavity and the piston cavity are coaxially arranged, one end part of the pressurization cavity is communicated with the second working cavity, the other end part of the pressurization cavity is communicated with a hydraulic oil duct of the vertical impact test table locking rod mechanism, hydraulic oil is filled in the pressurization cavity, the ratio of the sectional area of the pressurization cavity to the sectional area of the piston cavity is (1-20) - (1);
one end of the piston rod is connected with the end face, facing the second working cavity, of the piston, the other end of the piston rod extends into the pressurization cavity, and the outer wall of the piston rod is connected with the inner wall of the pressurization cavity in a dynamic sealing mode.
2. The pressurization device for the vertical impact test stand locking rod mechanism according to claim 1, characterized in that: the piston cavity extends horizontally along the left-right direction, and the two piston cavities are symmetrically distributed on the left side and the right side of the first air inlet and outlet channel.
3. The vertical impact test stand locking rod mechanism supercharging device of claim 1, wherein: the first air inlet and outlet channel comprises a first vertical air channel and a first horizontal air channel which are vertically communicated, the end part, far away from the first horizontal air channel, of the first vertical air channel forms the first air inlet and outlet, and the end part, far away from the first vertical air channel, of the first horizontal air channel is communicated with the first working cavity.
4. The vertical impact test stand locking rod mechanism supercharging device of claim 1, wherein: the second air inlet and outlet channel comprises a second vertical air channel and a second horizontal air channel which are vertically communicated, the end part, far away from the second horizontal air channel, of the second vertical air channel forms the second air inlet and outlet, and the end part, far away from the second vertical air channel, of the second horizontal air channel is communicated with the second working cavity.
5. The pressurization device for the vertical impact test stand locking rod mechanism according to claim 1, characterized in that: the second working cavity is internally provided with a return spring, the return spring and the second working cavity are coaxially arranged, two ends of the return spring are respectively tightly abutted against the piston and the pressurizing seat, and the return spring has a trend of driving the piston to move towards the direction of compressing the first working cavity.
6. The vertical impact test stand locking rod mechanism supercharging device according to claim 5, wherein: the piston is provided with a first annular groove towards the end face of the pressurizing seat, the first annular groove is used for containing one end part of the return spring, and the end face of the pressurizing seat exposed in the second working cavity is provided with a second annular groove used for containing the other end part of the return spring.
7. The vertical impact test stand locking rod mechanism supercharging device of claim 6, wherein: the second annular groove is communicated with the second air inlet and outlet channel, so that the second air inlet and outlet channel is communicated with the second working cavity.
8. The vertical impact test stand locking rod mechanism supercharging device of claim 1, wherein: the supercharging device further comprises a hydraulic oil supplementing unit, the hydraulic oil supplementing unit comprises an oil supplementing channel and an oil cup, the oil supplementing channel is arranged in the supercharging seat, one end of the oil supplementing channel is vertically communicated with the supercharging cavity, the other end of the oil supplementing channel vertically extends upwards and forms an oil supplementing port on the outer wall of the supercharging seat, the oil cup is connected to the supercharging seat through a hollow outer thread threaded sleeve, an oil outlet at the bottom of the oil cup is communicated with the oil supplementing port in a butt joint mode, and a check valve assembly is arranged at an oil outlet of the oil cup.
9. The vertical impact test stand locking rod mechanism supercharging device of claim 8, wherein: the check valve assembly comprises an oil outlet channel communicated with the oil outlet, a steel ball and an oil supplementing spring, wherein the steel ball and the oil supplementing spring are arranged in the oil outlet channel, the pipe diameter of the oil outlet channel is larger than the caliber of the oil outlet, the steel ball is movably arranged in the oil outlet channel, two end parts of the oil supplementing spring respectively abut against the hollow outer wire thread sleeve and the steel ball, and the oil supplementing spring has a tendency of driving the steel ball to move towards the direction for plugging the oil outlet.
10. The vertical impact test stand locking rod mechanism supercharging device of claim 9, wherein: the upper end part of the hollow outer screw thread sleeve extends into the oil outlet channel and is in threaded connection with the inner wall of the oil outlet channel, and the lower end part of the hollow outer screw thread sleeve extends into the oil supplementing channel and is in threaded connection with the inner wall of the oil supplementing channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820342.0U CN218564036U (en) | 2022-10-25 | 2022-10-25 | Supercharging device for vertical impact test table lock rod mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820342.0U CN218564036U (en) | 2022-10-25 | 2022-10-25 | Supercharging device for vertical impact test table lock rod mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN218564036U true CN218564036U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222820342.0U Active CN218564036U (en) | 2022-10-25 | 2022-10-25 | Supercharging device for vertical impact test table lock rod mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN218564036U (en) |
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- 2022-10-25 CN CN202222820342.0U patent/CN218564036U/en active Active
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Address after: No. 15, Building 15, No. 269, Xinfeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215000 Patentee after: SUZHOU FNS VIBRATION SYSTEM Co.,Ltd. Address before: 215000 4D Cross Spring Industrial Park, Chunhui Road, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU FNS VIBRATION SYSTEM Co.,Ltd. |