CN213688770U - Hydraulic cylinder pressure testing device - Google Patents
Hydraulic cylinder pressure testing device Download PDFInfo
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- CN213688770U CN213688770U CN202022865366.9U CN202022865366U CN213688770U CN 213688770 U CN213688770 U CN 213688770U CN 202022865366 U CN202022865366 U CN 202022865366U CN 213688770 U CN213688770 U CN 213688770U
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Abstract
The utility model discloses a hydraulic cylinder pressure test device, including the pressure test device main part, press excellent test set, servo motor and lead screw, pressure test device main part middle part is provided with the support column, and the top of support column installs and presses excellent test set to press the bottom and the hydraulic cylinder main part of excellent test set to contact, servo motor's top is connected with first fixture and second fixture through the nut. This hydraulic cylinder pressure test device sets up first fixture and second fixture in the pressure test device main part, through servo motor's drive for press the excellent test set and can rotate in the pressure test device main part, thereby make after the hydraulic cylinder on the first fixture of test, can rotate to the hydraulic cylinder of second fixture top to its centre gripping and test, be favorable to reducing the time of going up the unloading, thereby improve work efficiency.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field specifically is a hydraulic cylinder pressure test device.
Background
The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, and has the characteristics of simple structure, reliable work and stable motion, so that the hydraulic oil cylinder is widely applied to hydraulic systems of various machines, and meanwhile, a plurality of devices for detecting the hydraulic oil cylinder comprise a hydraulic oil cylinder pressure testing device, but the common hydraulic oil cylinder pressure testing device in the market at present has the following problems:
1. when the pressure detection is carried out on the hydraulic oil cylinder, the pressure detection device is fixed, and a worker can test the next hydraulic oil cylinder only after the pressure detection device is tested, so that the replacement time is long, and the working efficiency is reduced;
2. when detecting hydraulic cylinder, generally only fix the bottom, probably place the unbalance because of hydraulic cylinder and lead to the fact the emergence slope when testing for hydraulic cylinder appears damaging under the pressure of handing over, probably makes hydraulic cylinder extrude simultaneously and goes out to cause the injury to personnel.
Aiming at the problems, the pressure testing device is innovatively designed on the basis of the original pressure oil cylinder pressure testing device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic cylinder pressure test device, with solve common hydraulic cylinder pressure test device on the existing market that proposes in the above-mentioned background, when carrying out pressure detection to hydraulic cylinder, pressure detection device is immovable, the staff need wait until after pressure detection device test can test next hydraulic cylinder, make the time of change longer, thereby reduce work efficiency, examine time measuring to hydraulic cylinder simultaneously, generally only fix the bottom, probably place unbalance when leading to the fact the test because of hydraulic cylinder, make hydraulic cylinder appear damaging under the pressure of handing over, it is possible to make hydraulic cylinder extrude the problem of going out to cause the injury to the personnel to make the while.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic cylinder pressure testing device comprises a pressure testing device body, a pressing rod testing group, a servo motor and a lead screw, wherein a supporting column is arranged in the middle of the pressure testing device body, the pressing rod testing group is installed at the top of the supporting column, the bottom of the pressing rod testing group is in contact with the hydraulic cylinder body, the top of the servo motor is connected with a first clamping mechanism and a second clamping mechanism through nuts, fixing bolts are installed on the first clamping mechanism and the second clamping mechanism respectively, the bottoms of the first clamping mechanism and the second clamping mechanism are connected with a limiting rod, a power gear is fixedly installed on the lead screw, the surface of the power gear is connected with a driven gear through a reduction gear, limiting grooves are formed in the left side and the right side of the driven gear, a power column is arranged in the center of the pressing rod testing group, and the bottom of the power column is connected with a fixing plate through a tension rope, and the fixed plate is inboard to be connected with pressing the excellent test set of pressure through expanding spring, and the fixed plate inboard contacts with the hydraulic cylinder main part simultaneously.
Preferably, the servo motor is located on the outer side of the pressure testing device main body, the servo motor is in threaded connection with the first clamping mechanism and the second clamping mechanism through the lead screw, and the bottoms of the first clamping mechanism and the second clamping mechanism form a sliding structure with the pressure testing device main body through the limiting rod.
Preferably, the first clamping mechanism and the second clamping mechanism are connected with the hydraulic oil cylinder body in a clamping mode, the first clamping mechanism and the second clamping mechanism form a clamping structure with the driven gear through the fixing bolt and the limiting groove, the diameter of the top of the fixing bolt is the same as the diameter of the opening of the limiting groove, and meanwhile the top of the fixing bolt is semi-spherical.
Preferably, the power gear and the screw rod are of an integrated structure, the power gear and the reduction gear are in meshed connection, the top of the reduction gear is provided with a half gear, and the diameter of the reduction gear is larger than that of the power gear.
Preferably, the half gear at the top of the reduction gear is meshed with the driven gear, the half gear at the top of the reduction gear is in an incomplete tooth angle shape, and the number of tooth angles on the half gear is half of the number of tooth angles on the driven gear.
Preferably, the fixed plate inboard is crude elasticity rubber material, and angular distribution such as fixed plate is in pressing the bottom of excellent test group to the fixed plate passes through the pulling force rope and constitutes linkage structure with the power post, and the fixed plate passes through expanding spring and presses excellent test group to constitute extending structure.
Compared with the prior art, the beneficial effects of the utility model are that: the pressure testing device of the hydraulic oil cylinder is provided with a pressure testing device,
1. set up first fixture and second fixture in the pressure test device main part, through servo motor's drive for press the excellent test set of stick and can rotate in the pressure test device main part, thereby make after the hydraulic cylinder on the first fixture of test, can rotate to the hydraulic cylinder of second fixture top to its centre gripping and test, be favorable to reducing the time of going up unloading, thereby improve work efficiency.
2. The fixing plate is arranged at the bottom of the pressing rod testing group, so that the fixing plate can clamp the hydraulic oil cylinder body to the middle when the pressing rod testing group tests the hydraulic oil cylinder body, the hydraulic oil cylinder body can be prevented from being protected when pressure is too large or unbalance is placed, the hydraulic oil cylinder body is clamped more stably, and the phenomenon of toppling over can not occur.
Drawings
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the front view of the connecting structure of the driven gear and the fixing bolt of the present invention;
FIG. 4 is a schematic view of the left-view connection structure of the power gear and the reduction gear of the present invention;
FIG. 5 is a schematic view of the front section connecting structure of the fixing plate and the expanding spring of the present invention;
fig. 6 is a schematic view of the connecting structure between the pressing rod testing set and the hydraulic cylinder main body.
In the figure: 1. a pressure testing device main body; 2. a support pillar; 3. a press bar test group; 4. a servo motor; 5. a screw rod; 6. a first clamping mechanism; 7. a second clamping mechanism; 8. a nut; 9. a limiting rod; 10. a power gear; 11. a reduction gear; 12. a driven gear; 13. a fixing bolt; 14. a limiting groove; 15. a power column; 16. a tension rope; 17. a tension spring; 18. a fixing plate; 19. hydraulic cylinder main part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a hydraulic cylinder pressure testing device comprises a pressure testing device body 1, a pressing rod testing group 3, a servo motor 4 and a screw rod 5, wherein a supporting column 2 is arranged in the middle of the pressure testing device body 1, the pressing rod testing group 3 is installed at the top of the supporting column 2, the bottom of the pressing rod testing group 3 is in contact with a hydraulic cylinder body 19, the top of the servo motor 4 is connected with a first clamping mechanism 6 and a second clamping mechanism 7 through nuts 8, fixing bolts 13 are installed on the first clamping mechanism 6 and the second clamping mechanism 7 respectively, the bottoms of the first clamping mechanism 6 and the second clamping mechanism 7 are connected with a limiting rod 9, a power gear 10 is fixedly installed on the screw rod 5, the surface of the power gear 10 is connected with a driven gear 12 through a reduction gear 11, limiting grooves 14 are formed in the left side and the right side of the driven gear 12, a power column 15 is arranged in the center of the pressing rod testing group 3, and the bottom of the power column 15 is connected with a fixed plate 18 through a tension rope 16, the inner side of the fixed plate 18 is connected with the pressing rod testing group 3 through a telescopic spring 17, and the inner side of the fixed plate 18 is contacted with a hydraulic oil cylinder main body 19.
The servo motor 4 is located on the outer side of the pressure testing device main body 1, the servo motor 4 is in threaded connection with the first clamping mechanism 6 and the second clamping mechanism 7 through the lead screw 5, the bottoms of the first clamping mechanism 6 and the second clamping mechanism 7 form a sliding structure with the pressure testing device main body 1 through the limiting rod 9, and automatic clamping of the first clamping mechanism 6 and the second clamping mechanism 7 on the hydraulic oil cylinder main body 19 is facilitated.
The half-gear and the driven gear 12 at the top of the reduction gear 11 are of a meshing structure, the half-gear at the top of the reduction gear 11 is of an incomplete tooth angle shape, the number of the tooth angles on the half-gear is half of the number of the tooth angles on the driven gear 12, the rotation of the driven gear 12 can be driven when the reduction gear 11 rotates to the tooth angle, and the rotation of 180 degrees is conveniently carried out on the driven gear 12.
The inboard elasticity rubber material that is crude of fixed plate 18, and angular distribution such as fixed plate 18 are at the bottom of pressing excellent test set 3 to fixed plate 18 passes through the pulling force rope 16 and constitutes linkage structure with power post 15, and fixed plate 18 passes through expanding spring 17 and presses excellent test set 3 constitution extending structure, is favorable to fixed plate 18 to hydraulic cylinder main part 19's centre gripping, prevents that hydraulic cylinder main part 19 from taking place to topple over when the pressure measurement.
The working principle is as follows: according to the drawings 1-4, firstly, a worker needs to place the pressure testing device body 1 at a proper position, then the hydraulic cylinder body 19 can be placed inside the first clamping mechanism 6, the servo motor 4 drives the first clamping mechanism 6 to slide on the limiting rod 9 through the lead screw 5 and the nut 8 through rotation of the servo motor 4, so that the first clamping mechanism 6 clamps the hydraulic cylinder body 19, meanwhile, the second clamping mechanism 7 can slide reversely on the limiting rod 9, so that the second clamping mechanism 7 is opened, the worker can place the next hydraulic cylinder body 19 to be tested inside the second clamping mechanism 7, meanwhile, the fixing bolt 13 on the second clamping mechanism 7 can clamp the driven gear 12, the press bar testing set 3 can not generate, then the press bar testing set 3 presses down to test the deviation of the hydraulic cylinder body 19, then the servo motor 4 continues to rotate, so that the second clamping mechanism 7 clamps the hydraulic oil cylinder body 19 and the first clamping mechanism 6 is loosened, the reduction of the time for feeding and discharging is facilitated, the working efficiency is improved, then the fixing bolt 13 on the second clamping mechanism 7 is separated from the fixation of the driven gear 12, so that the screw rod 5 drives the reduction gear 11 to rotate through the power gear 10, when the reduction gear 11 rotates to a part with a tooth angle, the reduction gear 11 drives the pressing rod testing group 3 to rotate to the upper side of the second clamping mechanism 7, meanwhile, the reduction gear 11 can rotate to a part without the tooth angle, then the screw rod 5 continues to rotate, and the fixing bolt 13 on the first clamping mechanism 6 is used for fixing the driven gear 12.
According to the figures 5-6, when the pressure testing device body 1 measures the pressure of the hydraulic oil cylinder body 19, the pressing rod testing group 3 is pressed down, so that the power column 15 at the middle part of the pressing rod testing group 3 is extruded with the hydraulic oil cylinder body 19, the power column 15 slides towards the inside of the pressing rod testing group 3, the power column 15 pulls the fixing plate 18 through the tension rope 16, meanwhile, the fixing plate 18 compresses the extension spring 17, so that the fixing plate 18 fixes the hydraulic oil cylinder body 19, the fixing plate 18 can protect the hydraulic oil cylinder body 19 from falling during testing, after the pressing rod testing group 3 is tested, the fixing plate 18 and the power column 15 can reset under the elastic action of the extension spring 17, and the fixing plate 18 can conveniently clamp and fix the hydraulic oil cylinder body 19 again, the above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a hydraulic cylinder pressure test device, includes pressure test device main part (1), presses excellent test set (3), servo motor (4) and lead screw (5), its characterized in that: the middle part of the pressure testing device main body (1) is provided with a supporting column (2), the top of the supporting column (2) is provided with a press rod testing group (3), the bottom of the press rod testing group (3) is contacted with a hydraulic oil cylinder main body (19), the top of the servo motor (4) is connected with a first clamping mechanism (6) and a second clamping mechanism (7) through nuts (8), the first clamping mechanism (6) and the second clamping mechanism (7) are respectively provided with a fixing bolt (13), the bottoms of the first clamping mechanism (6) and the second clamping mechanism (7) are connected with a limiting rod (9), the screw rod (5) is fixedly provided with a power gear (10), the surface of the power gear (10) is connected with a driven gear (12) through a reduction gear (11), and the left side and the right side of the driven gear (12) are provided with limiting grooves (14), the center part of the pressing rod testing group (3) is provided with a power column (15), the bottom of the power column (15) is connected with a fixing plate (18) through a tension rope (16), the inner side of the fixing plate (18) is connected with the pressing rod testing group (3) through a telescopic spring (17), and meanwhile, the inner side of the fixing plate (18) is in contact with a hydraulic oil cylinder main body (19).
2. The hydraulic cylinder pressure testing device of claim 1, characterized in that: the servo motor (4) is located on the outer side of the pressure testing device main body (1), the servo motor (4) is in threaded connection with the first clamping mechanism (6) and the second clamping mechanism (7) through the screw rod (5), and the bottoms of the first clamping mechanism (6) and the second clamping mechanism (7) form a sliding structure with the pressure testing device main body (1) through the limiting rod (9).
3. The hydraulic cylinder pressure testing device of claim 1, characterized in that: the first clamping mechanism (6) and the second clamping mechanism (7) are connected with the hydraulic oil cylinder body (19) in a clamping mode, the first clamping mechanism (6) and the second clamping mechanism (7) form a clamping structure with the driven gear (12) through the fixing bolt (13) and the limiting groove (14), the diameter of the top of the fixing bolt (13) is the same as the diameter of an opening of the limiting groove (14), and meanwhile the top of the fixing bolt (13) is semi-spherical.
4. The hydraulic cylinder pressure testing device of claim 1, characterized in that: the power gear (10) and the screw rod (5) are of an integrated structure, the power gear (10) is in meshed connection with the reduction gear (11), the top of the reduction gear (11) is provided with a half gear, and the diameter of the reduction gear (11) is larger than that of the power gear (10).
5. The hydraulic cylinder pressure testing device of claim 1, characterized in that: the half gear on the top of the reduction gear (11) and the driven gear (12) are in a meshing structure, the half gear on the top of the reduction gear (11) is in an incomplete tooth angle shape, and the number of tooth angles on the half gear is half of the number of tooth angles on the driven gear (12).
6. The hydraulic cylinder pressure testing device of claim 1, characterized in that: the inner side of the fixing plate (18) is made of rough elastic rubber, the fixing plate (18) is distributed at the bottom of the pressing rod testing group (3) at equal angles, the fixing plate (18) and the power column (15) form a linkage structure through a tension rope (16), and the fixing plate (18) and the pressing rod testing group (3) form a telescopic structure through a telescopic spring (17).
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CN202022865366.9U CN213688770U (en) | 2020-12-01 | 2020-12-01 | Hydraulic cylinder pressure testing device |
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CN202022865366.9U CN213688770U (en) | 2020-12-01 | 2020-12-01 | Hydraulic cylinder pressure testing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116336039A (en) * | 2023-05-20 | 2023-06-27 | 浙江事倍达物流设备有限公司 | Automatic detection device for hydraulic cylinder of electric carrier |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116336039A (en) * | 2023-05-20 | 2023-06-27 | 浙江事倍达物流设备有限公司 | Automatic detection device for hydraulic cylinder of electric carrier |
CN116336039B (en) * | 2023-05-20 | 2024-03-29 | 浙江事倍达物流设备有限公司 | Automatic detection device for hydraulic cylinder of electric carrier |
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