CN113465919A - Hydraulic drive planet carrier static test platform - Google Patents
Hydraulic drive planet carrier static test platform Download PDFInfo
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- CN113465919A CN113465919A CN202110675333.4A CN202110675333A CN113465919A CN 113465919 A CN113465919 A CN 113465919A CN 202110675333 A CN202110675333 A CN 202110675333A CN 113465919 A CN113465919 A CN 113465919A
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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Abstract
The invention discloses a hydraulic drive planet carrier static test bed, which comprises: the left side and the right side of an inner cavity of the base are both provided with first sliding chutes; the fixed table is arranged on the rear side of the top end of the base; the liquid crystal display screen is arranged at the top end of the fixed platform; the middle part of the outer wall of the hydraulic cylinder is inserted into the inner cavity of the fixed platform; the pushing handle is arranged at the front end of the hydraulic cylinder; the pressure sensor is arranged in the middle of the front side of the push handle and is electrically connected with the liquid crystal display screen; the movable plate is arranged on the rear side of the inner cavity of the base, a storage groove is formed in the middle of the top end of the movable plate, the center of the storage groove corresponds to the position of the pressure sensor, and a second sliding groove is formed in the right side of the inner cavity of the movable plate in the front-back direction. The device can accurately test the maximum load capacity of the output shaft of the planet carrier, so that the planet carrier can be replaced at regular time, and normal use is prevented from being influenced.
Description
Technical Field
The invention relates to the technical field of planet carriers, in particular to a hydraulic drive planet carrier static test bed.
Background
The planet carrier is one of main components of planetary gear transmission, is a part with a complex structure, has a reasonable structure, is light in weight, good in rigidity and convenient to process and assemble, has three common structural forms of double-side-plate integral type, double-side-plate split type and single-side-plate type, and is generally composed of a sun gear, a plurality of planet gears and a gear ring, wherein the planet gears are supported by a fixed shaft of the planet carrier;
the planet carrier needs possess sufficient intensity, because the gear can produce the vibration when rotating, and the planet carrier need bear the load that is transmitted by the gear to transmit whole power to the output shaft, so the planet carrier can lead to planet carrier and output shaft to produce deformation, fracture even because of the load of gear transmission after using a period, and do not have the experimental apparatus that can effectual test planet carrier and the biggest load of output shaft at present, and then lead to the planet carrier to change in time easily, thereby cause and influence its normal use.
Disclosure of Invention
The invention aims to provide a hydraulic drive planet carrier static test bed, which at least solves the problem that the maximum load of a planet carrier and an output shaft cannot be effectively detected in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a hydraulically driven planet carrier static test stand, comprising: the left side and the right side of an inner cavity of the base are both provided with first sliding chutes; the fixed table is arranged on the rear side of the top end of the base; the liquid crystal display screen is arranged at the top end of the fixed platform; the middle part of the outer wall of the hydraulic cylinder is inserted into the inner cavity of the fixed platform; the pushing handle is arranged at the front end of the hydraulic cylinder; the pressure sensor is arranged in the middle of the front side of the push handle and is electrically connected with the liquid crystal display screen; the movable plate is arranged on the rear side of the inner cavity of the base, a storage groove is formed in the middle of the top end of the movable plate, the center of the storage groove corresponds to the position of the pressure sensor, and a second sliding groove is formed in the right side of the inner cavity of the movable plate in the front-back direction; the number of the first sliding blocks is two, the two first sliding blocks are respectively arranged on the left side and the right side of the moving plate, and the outer sides of the first sliding blocks are matched and inserted into the inner cavity of the first sliding groove; the centering mechanism is arranged in the inner cavity of the moving plate; the fixing mechanism is arranged at the front end of the right side of the inner cavity of the moving plate; the planet carrier is placed in the inner cavity of the storage tank;
the centering mechanism includes: the bottom end of the rotating disc is rotatably arranged at the bottom end of the inner cavity of the moving plate through a bearing, and a hexagonal sliding groove is formed in the top end of the rotating disc; the number of the third sliding blocks is six, and the bottom ends of the six third sliding blocks are respectively matched and inserted in the middle of six edges of the inner cavity of the hexagonal sliding groove; the middle part of the outer side of the bottom end of the extrusion block is arranged at the top end of the third sliding block; the sliding column is arranged in the middle of the outer side of the top end of the extrusion block; the top end of the fixed disc is arranged at the top end of the inner cavity of the movable plate, six third sliding grooves are formed in the top end of the fixed disc in the inclined direction, and the six sliding columns are respectively and adaptively inserted into the inner cavities of the six third sliding grooves.
Preferably, the centering mechanism further comprises: the rack is arranged on the right side of the inner cavity of the moving plate in a sliding manner, the front end of the rack extends out of the front side of the moving plate, and the rack is meshed with the rotating disc; the second sliding block is arranged at the rear end of the right side of the rack, and the outer side of the second sliding block is matched and inserted into the rear side of the inner cavity of the second sliding groove.
Preferably, the centering mechanism further comprises: the first fixture blocks are arranged on the right side of the rack in a plurality of and equidistance along the front-back direction.
Preferably, the fixing mechanism includes: the extrusion groove is formed in the front end of the right side of the inner cavity of the moving plate; the spring is embedded in the inner cavity of the extrusion groove, and one end of the spring is clamped on the inner side of the inner cavity of the extrusion groove; and one part of the second fixture block is embedded in the inner cavity of the extrusion groove, the other part of the second fixture block extends out of the inner cavity of the extrusion groove and is matched with the first fixture block, and the other end of the spring is clamped on the inner side of the second fixture block.
Preferably, the fixing mechanism further includes: the rotating groove is formed in the right end of the front side of the moving plate; one end of the pull rope is arranged on the inner side of the second clamping block, and the other end of the pull rope extends into the inner cavity of the rotating groove; the rotary rod, the rear end of rotary rod passes through the rotatable setting in the inner chamber rear side of swivelling chute of bearing, and the front end of rotary rod extends the swivelling chute, the other end of stay cord sets up in the outer wall of rotary rod.
Preferably, the top end of the base is further provided with: the fixed pushing handle is arranged on the front side of the top end of the base, and the position of the fixed pushing handle corresponds to that of the pushing handle.
Preferably, the second sliding groove is dovetail-shaped, and the second sliding block is inserted into the inner cavity of the second sliding groove in a matching manner.
The hydraulic drive planet carrier static test bed provided by the invention has the beneficial effects that:
1. the planet carrier can be pushed by the hydraulic cylinder and the pushing handle to drive the movable plate to move forwards, the output shaft of the planet carrier can be loaded by the cooperation of the hydraulic cylinder, the pushing handle and the fixed pushing handle to deform the output shaft of the planet carrier, the size of the loaded load can be read by the cooperation of the pressure sensor and the liquid crystal display screen, and then the maximum load capacity of the output shaft of the planet carrier can be accurately tested, so that the planet carrier can be replaced at regular time, and the influence on normal use is avoided;
2. according to the invention, the output shaft of the planet carrier can be centered by using the extrusion block to enable the output shaft to correspond to the position of the pushing handle, the planet carrier is clamped and fixed, the rotating disk drives the hexagonal sliding groove to rotate to enable the third sliding block to drive the extrusion block to move, and the third sliding groove is used for limiting the sliding column to enable the extrusion block to move according to a specified moving route, so that the output shaft of the planet carrier with any diameter can be fixed;
3. according to the invention, the rack can be fixed by utilizing the matching between the first clamping block and the second clamping block, so that the rotating disc can be prevented from rotating, and the extrusion block can be fixed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top sectional view of the base;
FIG. 3 is a top sectional view of the moving plate;
FIG. 4 is an exploded view of the centering mechanism;
fig. 5 is an enlarged view of the invention at a.
In the figure: 1. the device comprises a base, 2, a fixed platform, 3, a liquid crystal display screen, 4, a hydraulic cylinder, 5, a pushing handle, 6, a pressure sensor, 7, a first sliding groove, 8, a centering mechanism, 81, a rotating disk, 82, a hexagonal sliding groove, 83, a third sliding block, 84, an extrusion block, 85, a sliding column, 86, a fixed disk, 87, a third sliding groove, 88, a rack, 89, a second sliding block, 810, a first clamping block, 9, a fixed mechanism, 91, an extrusion groove, 92, a spring, 93, a second clamping block, 94, a rotating groove, 95, a pull rope, 96, a rotating rod, 10, a moving plate, 11, a first sliding block, 12, a storage groove, 13, a second sliding groove, 14, a planet carrier, 15 and a fixed pushing handle.
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.
Referring to fig. 1-5, the present invention provides a technical solution for a hydraulic drive planetary carrier static test stand, which includes: the device comprises a base 1, a fixed platform 2, a liquid crystal display 3, a hydraulic cylinder 4, a pushing handle 5, a pressure sensor 6, a first chute 7, a centering mechanism 8, a fixed mechanism 9, a movable plate 10, a first slide block 11, a storage tank 12, a second chute 13, a planet carrier 14 and a fixed pushing handle 15, wherein the first chute 7 is arranged on the left side and the right side of an inner cavity of the base 1, the fixed platform 2 is arranged on the rear side of the top end of the base 1, the fixed platform 2 is used for fixing the hydraulic cylinder 4, the liquid crystal display 3 is arranged at the top end of the fixed platform 2, the liquid crystal display 3 is in the prior art and is used for displaying the numerical value of the pressure sensor 6, the middle part of the outer wall of the hydraulic cylinder 4 is inserted into the inner cavity of the fixed platform 2, the hydraulic cylinder 4 is in the prior art and is used for pushing the output shaft of the planet carrier 14 to deform and bend the output shaft, the pushing handle 5 is arranged at the front end of the hydraulic cylinder 4, the pressure sensor 6 is arranged at the middle part of the front side of the pushing handle 5, the pressure sensor 6 is electrically connected with the liquid crystal display screen 3, the pressure sensor 6 is in the prior art and is used for detecting the output thrust of the hydraulic cylinder 4, the moving plate 10 is arranged at the rear side of the inner cavity of the base 1, the middle part of the top end of the moving plate 10 is provided with a storage groove 12, the center of the storage groove 12 corresponds to the position of the pressure sensor 6, the right side of the inner cavity of the moving plate 10 is provided with a second chute 13 along the front-back direction, the number of the first sliders 11 is two, the two first sliders 11 are respectively arranged at the left side and the right side of the moving plate 10, the outer side of each first slider 11 is matched and inserted in the inner cavity of the corresponding first chute 7, the first sliders 11 and the corresponding first chutes 7 are matched for limiting the moving plate 10, the moving plate 10 is prevented from upwarping when the hydraulic cylinder 4 pushes the planet carrier 14, the centering mechanism 8 is arranged in the inner cavity of the moving plate 10, and the centering mechanism 8 is used for fixing the planet carrier 14, an output shaft of the planet carrier 14 corresponds to the push handle 5, the fixing mechanism 9 is arranged at the front end of the right side of the inner cavity of the movable plate 10, the fixing mechanism 9 is used for fixing the centering mechanism 8, the planet carrier 14 is placed in the inner cavity of the storage tank 12, the fixing push handle 15 is arranged on the front side of the top end of the base 1, the position of the fixing push handle 15 corresponds to the position of the push handle 5, the fixing push handle 15 is matched with the push handle 5 to bend the output shaft of the planet carrier 14, and the fixing push handle 15 adopts an up-down structure, so that the output shaft of the planet carrier 14 can be prevented from generating upward force when being pushed;
the centering mechanism 8 includes: the rotating disc 81, the hexagonal sliding grooves 82, the third sliding blocks 83, the extrusion blocks 84, the sliding columns 85, the fixed disc 86, the third sliding grooves 87, the racks 88, the second sliding blocks 89 and the first clamping blocks 810, the bottom end of the rotating disc 81 is rotatably arranged at the bottom end of the inner cavity of the moving plate 10 through a bearing, the hexagonal sliding grooves 82 are formed in the top end of the rotating disc 81, the rotating disc 81 can drive the hexagonal sliding grooves 82 to rotate, the number of the third sliding blocks 83 is six, the bottom ends of the six third sliding blocks 83 are respectively and adaptively inserted in the middle parts of the six sides of the inner cavity of the hexagonal sliding grooves 82, the middle parts of the outer sides of the bottom ends of the extrusion blocks 84 are arranged at the top ends of the third sliding blocks 83, the six extrusion blocks 84 can clamp and fix the output shaft of the planet carrier 14 in a matching manner, the sliding columns 85 are arranged in the middle parts of the outer sides of the top ends of the extrusion blocks 84, the top end of the fixed disc 86 is arranged at the top end of the inner cavity of the moving plate 10, the fixed disc 86 is provided with the six third sliding grooves 87 in an inclined direction, the six sliding columns 85 are respectively and adaptively inserted into inner cavities of the six third sliding grooves 87, when the rotating disc 81 rotates, the hexagonal sliding grooves 82 can be used for moving through the third sliding blocks 83, the third sliding grooves 87 are used for limiting the sliding columns 85 to enable the extrusion blocks 84 to move, the racks 88 can be slidably arranged on the right side of the inner cavity of the moving plate 10, the front ends of the racks 88 extend out of the front side of the moving plate 10, the racks 88 are meshed with the rotating disc 81, the rotating disc 81 can be driven to rotate by the forward and backward movement of the racks 88, the second sliding blocks 89 are arranged at the rear ends of the right sides of the racks 88, the outer sides of the second sliding blocks 89 are adaptively inserted into the rear sides of the inner cavities of the second sliding grooves 13, the number of the first clamping blocks 810 is a plurality, and the first clamping blocks 810 are equidistantly arranged on the right sides of the racks 88 in the forward and backward directions.
Preferably, the fixing mechanism 9 further includes: the pressing groove 91 is arranged at the front end of the right side of the inner cavity of the moving plate 10, the spring 92 is embedded in the inner cavity of the pressing groove 91, one end of the spring 92 is clamped in the inner side of the inner cavity of the pressing groove 91, the spring 92 is a rotary spring and elastically deforms after being pressed or stretched by external force, the spring 92 is restored to an initial state after the external force is removed, the spring 92 is used for pushing the second clamping block 93 out of the inner cavity of the pressing groove 91, one part of the second clamping block 93 is embedded in the inner cavity of the pressing groove 91, the other part of the second clamping block 93 extends out of the inner cavity of the pressing groove 91 and is matched with the first clamping block 810, the other end of the spring 92 is clamped in the inner side of the second clamping block 93, the rack 88 can be prevented from moving forwards by matching the first clamping block 810 and the second clamping block 93, the rotary groove 94 is arranged at the right end of the front side of the moving plate 10, one end of the pulling rope 95 is disposed inside the second latch 93, the other end of the pulling rope 95 extends into the inner cavity of the rotating groove 94, the rear end of the rotating rod 96 is rotatably disposed at the rear side of the inner cavity of the rotating groove 94 through a bearing, the front end of the rotating rod 96 extends out of the rotating groove 94, and the other end of the pulling rope 95 is disposed on the outer wall of the rotating rod 96.
As a preferred scheme, furthermore, the second sliding chute 13 is dovetail-shaped, and the second sliding block 89 is adapted to be inserted into the inner cavity of the second sliding chute 13, so that the second sliding block 89 cannot be separated from the inner cavity of the second sliding chute 13, and further the rack 88 can be prevented from moving left and right.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the device is used, the hydraulic cylinder 4 is started to drive the pushing handle 5 to move forwards until the pushing handle 5 is contacted with the output shaft of the planet carrier 14, the hydraulic cylinder 4 continues to push the pushing handle 5 to drive the moving plate 10 to move forwards through the planet carrier 14, the moving plate 10 is driven to move forwards by the first sliding groove 7 and the first sliding block 11, the friction force can be reduced, the moving plate 10 can be limited to prevent the upward tilting of the moving plate 10, the accuracy of a test result is further improved, until the output shaft of the planet carrier 14 is contacted with the fixed pushing handle 15, the fixed pushing handle 15 can be used for preventing the planet carrier 14 from generating upward force when the planet carrier 14 is pushed, the hydraulic cylinder 4 continues to push the output end of the planet carrier 14 until the output end of the planet carrier 14 is deformed and bent, the thrust detected by the pressure sensor 6 can be read through the liquid crystal display screen 3, after the detection is finished, returning the hydraulic cylinder 4 to the initial position, rotating the rotating rod 96 causes the pulling rope 95 to be wound around the outer wall of the rotating rod 96, and the pulling rope 95 can pull the second latch 93 to move towards the inner cavity of the pressing groove 91 until the second latch 93 is not in contact with the first latch 810, the rack 88 is pulled forward to drive the rotating disc 81 to rotate clockwise, the rotating disc 81 can rotate clockwise to slide in the inner cavity of the hexagonal sliding groove 82 through the third sliding block 83, and the third slide groove 87 is used for limiting the slide column 85, so that the extrusion block 84 can be driven to move, the inner cavity of the storage groove 12 is exposed, and planet carrier 14 can be taken out of the inner cavity of storage tank 12 when it is necessary to fix planet carrier 14, do with above-mentioned opposite direction motion can, the biggest load capacity that this device can accurate test trip planet carrier 14 output shaft to can regularly change planet carrier 14, avoid influencing normal use.
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 (7)
1. A hydraulic drive planet carrier static test bench which is characterized by comprising:
the device comprises a base (1), wherein the left side and the right side of an inner cavity of the base (1) are respectively provided with a first sliding chute (7);
the fixing table (2) is arranged on the rear side of the top end of the base (1);
the liquid crystal display screen (3), the liquid crystal display screen (3) is arranged at the top end of the fixed platform (2);
the middle part of the outer wall of the hydraulic cylinder (4) is inserted into the inner cavity of the fixed platform (2);
the push handle (5), the said push handle (5) is set up in the front end of the fluid cylinder (4);
the pressure sensor (6) is arranged in the middle of the front side of the push handle (5), and the pressure sensor (6) is electrically connected with the liquid crystal display screen (3);
the movable plate (10) is arranged on the rear side of the inner cavity of the base (1), a storage groove (12) is formed in the middle of the top end of the movable plate (10), the center of the storage groove (12) corresponds to the position of the pressure sensor (6), and a second sliding groove (13) is formed in the right side of the inner cavity of the movable plate (10) in the front-back direction;
the number of the first sliding blocks (11) is two, the two first sliding blocks (11) are respectively arranged on the left side and the right side of the moving plate (10), and the outer sides of the first sliding blocks (11) are matched and inserted into the inner cavity of the first sliding groove (7);
the centering mechanism (8), the centering mechanism (8) is arranged in the inner cavity of the moving plate (10);
the fixing mechanism (9), the said fixing mechanism (9) is set up in the front end of right side of cavity of the movable plate (10);
the planet carrier (14), the said planet carrier (14) is placed in the cavity of the storage trough (12);
the centering mechanism (8) comprises:
the bottom end of the rotating disc (81) is rotatably arranged at the bottom end of the inner cavity of the moving plate (10) through a bearing, and a hexagonal sliding groove (82) is formed in the top end of the rotating disc (81);
the number of the third sliding blocks (83) is six, and the bottom ends of the six third sliding blocks (83) are respectively matched and inserted in the middle of six sides of the inner cavity of the hexagonal sliding groove (82);
the middle part of the outer side of the bottom end of the extrusion block (84) is arranged at the top end of the third sliding block (83);
the sliding column (85) is arranged in the middle of the outer side of the top end of the extrusion block (84);
the top end of the fixed disc (86) is arranged at the top end of the inner cavity of the moving plate (10), six third sliding grooves (87) are formed in the top end of the fixed disc (86) in the inclined direction, and the six sliding columns (85) are respectively and adaptively inserted into the inner cavities of the six third sliding grooves (87).
2. The hydraulic drive planet carrier static test stand of claim 1, wherein: the centering mechanism (8) further comprises:
the rack (88) is arranged on the right side of the inner cavity of the moving plate (10) in a sliding mode, the front end of the rack (88) extends out of the front side of the moving plate (10), and the rack (88) is meshed with the rotating disc (81);
second slider (89), second slider (89) set up in the right side rear end of rack (88), the outside looks adaptation of second slider (89) is pegged graft in the inner chamber rear side of second spout (13).
3. The hydraulic drive planet carrier static test stand of claim 1, wherein: the centering mechanism (8) further comprises:
the number of the first clamping blocks (810) is a plurality, and the first clamping blocks (810) are arranged on the right side of the rack (88) at equal intervals in the front-back direction.
4. The hydraulic drive planet carrier static test stand of claim 1, wherein: the fixing mechanism (9) comprises:
the extrusion groove (91) is formed in the front end of the right side of the inner cavity of the moving plate (10);
the spring (92) is embedded in the inner cavity of the extrusion groove (91), and one end of the spring (92) is clamped on the inner side of the inner cavity of the extrusion groove (91);
one part of the second clamping block (93) is embedded in the inner cavity of the extrusion groove (91), the other part of the second clamping block (93) extends out of the inner cavity of the extrusion groove (91) and is matched with the first clamping block (810), and the other end of the spring (92) is clamped on the inner side of the second clamping block (93).
5. The hydraulic drive planet carrier static test stand of claim 1, wherein: the fixing mechanism (9) further comprises:
the rotating groove (94), the said rotating groove (94) is set up in the front right end of the moving plate (10);
one end of the pull rope (95) is arranged on the inner side of the second clamping block (93), and the other end of the pull rope (95) extends into the inner cavity of the rotating groove (94);
the rear end of the rotating rod (96) is rotatably arranged on the rear side of the inner cavity of the rotating groove (94) through a bearing, the front end of the rotating rod (96) extends out of the rotating groove (94), and the other end of the pull rope (95) is arranged on the outer wall of the rotating rod (96).
6. The hydraulic drive planet carrier static test stand of claim 1, wherein: the top of base (1) still is provided with:
the fixed push handle (15), fixed push handle (15) set up in the top front side of base (1), the position of fixed push handle (15) corresponds with the position of push handle (5).
7. The hydraulic drive planet carrier static test stand of claim 2, wherein: the second sliding groove (13) is in a dovetail shape, and the second sliding block (89) is matched and inserted into an inner cavity of the second sliding groove (13).
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| CN202110675333.4A CN113465919B (en) | 2021-06-21 | 2021-06-21 | Hydraulic drive planet carrier static test bed |
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|---|---|---|---|---|
| CN113895794A (en) * | 2021-11-17 | 2022-01-07 | 王朝明 | Architectural design is with drawing storage device that can accomodate fast |
| CN117943859A (en) * | 2024-03-26 | 2024-04-30 | 江苏锡华智能装备有限公司 | Be used for planet carrier processing self-holding device |
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| Publication number | Publication date |
|---|---|
| CN113465919B (en) | 2023-09-22 |
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