CN111521325A - Auxiliary device of transmission shaft dynamic balance testing machine and corresponding dynamic balance testing method - Google Patents
Auxiliary device of transmission shaft dynamic balance testing machine and corresponding dynamic balance testing method Download PDFInfo
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- CN111521325A CN111521325A CN201910102583.1A CN201910102583A CN111521325A CN 111521325 A CN111521325 A CN 111521325A CN 201910102583 A CN201910102583 A CN 201910102583A CN 111521325 A CN111521325 A CN 111521325A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to a transmission shaft dynamic balance test method and a transmission shaft dynamic balance test auxiliary device, comprising the steps of placing a transmission shaft assembly on the transmission shaft dynamic balance test auxiliary device; adjusting the driving device to move forwards and backwards to enable a transmission shaft assembly on the auxiliary device of the transmission shaft dynamic balance testing machine to be aligned with the swing frame of the dynamic balance testing machine; fixedly connecting and locking a transmission shaft with clamps (22) at two ends of the dynamic balance testing machine; starting a balancing machine to perform a dynamic balance test of a transmission shaft; the auxiliary device for the dynamic balance test of the transmission shaft comprises a bearing plate (17), the bearing plate (17) is connected with a base of a balance testing machine, and one side above the bearing plate (17) comprises an opening, so that the balance shaft is convenient to support. This design patent increases one set of auxiliary device in the middle of two swing brackets of transmission shaft balancing machine base, effectively alleviates operative employee's intensity of labour, improves production efficiency, reduces the cost of labor, for the sustainable development and the technological innovation of enterprise another new step.
Description
Technical Field
The invention relates to an auxiliary device of a transmission shaft dynamic balance testing machine, and belongs to the field of dynamic balance machinery.
Background
The transmission shaft assembly is widely applied, and transmission systems of automobiles, engineering machinery, ships, large machines, petroleum machinery and the like transmit torque. All transmission shaft assemblies are assembled and maintained by 100% and have dynamic balance tests, the weight of a single transmission shaft from a micro vehicle to a heavy truck is 3-100 kilograms, the weight of a heavy mechanical transmission shaft reaches hundreds of kilograms, the traditional transmission shaft assemblies are used for dynamic balance tests, the transmission shaft assemblies are arranged on a balancing machine by hands for tests, the labor intensity is high, the work efficiency is low, particularly, in high-temperature weather, personnel with poor physique cannot be competent for the work, and certain influence is caused on the production of enterprises. In the past, a heavy transmission shaft needs to be hoisted by a crane, so that a workshop without the crane is a great problem, even if the crane is adopted for hoisting, a steel wire rope is easy to shake when the crane runs, a transmission shaft assembly flange is very difficult to be connected with a balance machine flange, the upper flange, the lower flange, the left flange and the right flange are completely connected after being aligned by a point-operated control button, and the production efficiency is extremely low. And unsafe hidden danger still exists in travelling crane hoisting and manual double-hand lifting transmission shaft clamping. In addition, the following defects also exist in the prior art: 1. the dynamic balancing machine of the transmission shaft supplied by manufacturers has no auxiliary device. 2. When the transmission shaft assembly is assembled and overhauled to carry out a dynamic balance test, 2 persons are required to lift the transmission shaft to install the transmission shaft assembly on the dynamic balance test machine. 3. After the dynamic balance test of the transmission shaft assembly is completed, 2 persons are required to lift the transmission shaft to disassemble the flange connecting bolt, and then the transmission shaft assembly is lifted down. When the transmission shaft assembly is used for a dynamic balance test, the transmission shaft is manually lifted and installed on a balancing machine, the technical problem which cannot be solved in the field for many years is solved, the fit clearance between the two flanges is 0.03-0.05mm, the transmission shaft is manually lifted and installed, and a connecting bolt is worn, so that the working efficiency is low, the labor intensity is high, and the problems existing in clamping can be solved after the auxiliary device is installed.
Chinese utility model patent with publication number CN202710248U discloses a dynamic balance test stand, which comprises a frame, a driving motor, a rigid swing frame, a fixture (designed autonomously), and a sensor mounting frame with a sensor mounted on the rigid swing frame. The machine base is provided with a pair of rigid swing frames, the clamps are connected with swing frame main shaft flanges to position the transmission shaft assembly, the transmission shaft assembly is arranged on the two swing frame main shaft clamps, the transmission shaft is fixed by bolts, locking plates and nuts, the motor and the swing frame main shaft are driven by a belt, a control cabinet is clicked to press a button, the main shaft and the transmission shaft rotate together to perform a dynamic balance test of the transmission shaft assembly, the structure is simple, the positioning accuracy of a part to be tested is guaranteed, the operation is convenient, and the accuracy of test data is guaranteed. Above-mentioned utility model an auxiliary device of dynamic balance test bench, realize automatic accurate counterpoint when mainly used transmission shaft is experimental, but efficiency still treats the improvement.
Disclosure of Invention
The invention provides an auxiliary device of a transmission shaft dynamic balance testing machine, which comprises a supporting plate, wherein the supporting plate is connected with a balance testing machine base, one side above the supporting plate comprises an opening for protecting a balance shaft conveniently, the left side and the right side of the supporting plate are connected with a driving device fixing plate, one side of the driving device fixing plate is provided with a driving device, the movable end of the driving device is connected with a cylinder connecting plate and slides along a linear rail and a sliding block under the driving of the driving device, the driving device fixing plate comprises a rotary adjusting screw, and a hand wheel is arranged above the cylinder connecting plate for adjusting the vertical height conveniently, so that the centering position of the balance shaft on a V-shaped block is completed, the balance shaft enters the opening on the supporting plate, and.
Preferably, the opening of the support plate includes a lower straight line portion, an arc portion, and an upper straight line portion.
More preferably, the straight line of the lower straight line part is a secant of the arc-shaped part.
More preferably, the upper straight portion is tangent to the upper side of the arcuate portion.
Preferably, the bottom of the supporting plate comprises a groove, a gear and a shaft are arranged in the middle of the groove, and a rack is arranged on the base to drive the supporting plate to move left and right.
Preferably, the driving device fixing plate is connected with the supporting plate through a second hexagon socket head cap screw,
preferably, the center of the fixing plate of the driving device comprises a through hole for positioning the cylinder, and the movable end of the driving device passes through the through hole of the fixing plate of the cylinder and is connected to the cylinder connecting plate.
Preferably, line rail slider and line rail cooperation to can slide on the line rail, line rail one end is connected in the drive arrangement fixed plate, connects two line rails on the drive arrangement fixed plate, and two line rails set up respectively in cylinder fixed plate one side top and below, and the end of two line rails 11 is connected, is fastened through the connecting plate, guarantees that the line rail is parallel, plays the positioning action to the line rail slider simultaneously.
And the upper and lower linear rails of the same cylinder fixing plate are respectively provided with a linear rail sliding block, and the outer sides of the two linear rail sliding blocks are connected with a fixed seat.
The fixing base comprises a side plate, the side plate is connected with the 2 sliding blocks, a plane is installed at the top of the side plate, an included angle between the plane and the side plate is 90 degrees, a driving device connecting plate is connected between the side plate and the plane, and the outer edge of the driving device connecting plate is an inclined edge supporting fixing base upper plate.
The upper part of the fixed seat is provided with 8 outer hexagon bolts which are assembled on 2 sliding blocks.
A hand wheel is installed on the plane of the top of the fixing seat, a T-shaped screw rod is connected to the hand wheel, and a V-shaped block is installed above the T-shaped screw rod.
The driving device fixing plate, the linear rail sliding block, the driving device, the fixing seat, the hand wheel, the T-shaped screw rod and the V-shaped block are symmetrically arranged on two sides of the supporting plate.
The connecting plate is assembled with the linear rail through a first outer hexagon bolt.
The wire rail also comprises a first hexagon socket head cap screw used for connecting the wire rail and the support plate.
The movable end of the driving device is connected to the cylinder connecting plate, so that the fixed seat slides along the linear rail through the linear rail sliding block under the driving of the movable end of the driving device connected to one side of the driving device connecting plate, and the movement of the balance shaft lifted by the V-shaped block above the fixed seat is realized.
The fixed seat is also provided with a guide key, and the T-shaped screw rod is provided with a key groove and is used for moving up and down along with the guide key without rotating when the T-shaped screw rod moves up and down when the hand wheel rotates. And an adjusting screw is also arranged on the fixing plate of the driving device, and the center of the V-shaped block at two sides is positioned with the center of the main shaft of the swing frame by using the adjusting screw when the driving device is limited to move backwards.
The second aspect of the present invention provides a dynamic balance test method for a transmission shaft, which includes:
step S1 is to place the propeller shaft assembly on the propeller shaft dynamic balance testing machine auxiliary device.
And step S2, adjusting the driving device to move forwards and backwards, and centering a transmission shaft assembly on the auxiliary device of the transmission shaft dynamic balance testing machine and a swing frame of the dynamic balance testing machine.
And step S3, fixedly connecting and locking the transmission shaft with the two ends of the dynamic balance testing machine.
And step S4, starting the balancing machine to perform the dynamic balance test of the transmission shaft.
And S5, when the balance of the transmission shaft is qualified, and the transmission shaft stops rotating, separating the transmission shaft assembly from the dynamic balance testing machine.
Step S6 moves the drive device forward or backward and lifts the propeller shaft from the propeller shaft dynamic balancing machine auxiliary device.
Step S7 repeats the above-described step S4 cycle.
It is preferable that steps S1 through S6 are sequentially performed, or steps S1, S2, S3, S4, S7, S5, S6 are sequentially performed.
Preferably, in step S7, step S4 is repeated only once.
Preferably, after step S2 and before step S3, the auxiliary device for the dynamic balance testing machine for the transmission shaft is adjusted so that there is a gap between a support point of the auxiliary device for the dynamic balance testing machine for the transmission shaft and a support point of the transmission shaft.
Preferably, in step S2, the adjusting bolt is used to limit the backward movement position of the transmission shaft assembly, so that the aim of centering can be achieved in the shortest time, and the adjusting bolt needs to be adjusted once again if the transmission shaft adjusting bolt with different specifications is replaced.
The dynamic balance test method of the transmission shaft according to the second aspect of the invention adopts the auxiliary device of the dynamic balance test machine of the transmission shaft according to the first aspect of the invention.
Drawings
FIG. 1 is a schematic diagram of the working state of a preferred embodiment of the auxiliary device of the transmission shaft dynamic balance testing machine according to the invention;
FIG. 2 is a front view of the auxiliary device of the dynamic balance testing machine of the transmission shaft in the embodiment of FIG. 1;
FIG. 3 is a right side view of the auxiliary device of the dynamic balance testing machine of the transmission shaft in the embodiment of FIG. 2;
FIG. 4 is a perspective view of the auxiliary device of the dynamic balance testing machine of the transmission shaft in the embodiment of FIG. 2;
FIG. 5 is a partial cross-sectional view of the guide key;
the numerical designations in fig. 1-5 mean: 01V-shaped block 02T-shaped screw 03, hand wheel 04, fixing seat 05 guide key 06, first outer hexagon bolt 07 connecting plate 08 cylinder connecting plate 09, first inner hexagon bolt 10 cylinder 11 linear rail 12 adjusting screw 13 cylinder fixing seat 14, second inner hexagon bolt 15 linear rail sliding block 16, second outer hexagon bolt 17 supporting plate 18, transmission shaft 19, swing frame I20, swing frame II 21, handle 22, clamp 23, belt 24, motor 25 and dynamic balance testing machine base.
Detailed Description
Embodiment 1.1. the auxiliary device of the dynamic balance testing machine of the transmission shaft comprises a bearing plate 17, wherein the lower part of the bearing plate 17 is connected with a base of the balance testing machine, the bottom of the bearing plate 17 comprises a groove which is convenient to be installed on the balance testing machine, one side above the bearing plate 17 comprises an opening which is convenient to support the balance shaft, and the bottom of the opening comprises a lower straight line part, an arc part and an upper straight line part; the straight line where the lower straight line part is located is a secant of the arc-shaped part, and the upper straight line part is tangent to the upper part of the arc-shaped part; cylinder fixed plate 13 is connected at bearing plate 17 middle part, cylinder fixed plate 13 passes through second hexagon socket head cap screw 14 with bearing plate 17 and is connected, cylinder fixed plate 13 center includes the through-hole, cylinder 10 is equipped with to cylinder fixed plate 13 rear end, the expansion end of cylinder 10 passes the through-hole of cylinder fixed plate 13 and is connected in line rail slider 15, line rail slider 15 and the cooperation of line rail 11, and can slide on line rail 11, line rail 11 one end is connected in cylinder fixed plate 13, connect two line rails 11 on the cylinder fixed plate 13, two line rails 11 set up respectively in cylinder fixed plate one side top and below, the end of two line rails 11 passes through connecting plate 07 and connects, fasten, guarantee upper and lower line rail 11 flat, play limiting displacement simultaneously to line rail slider 15. Install a line rail slider 15 on two upper and lower line rails 11 of same cylinder fixed plate 13 respectively, fixing base 04 is connected in the outside of two line rail sliders 15, and this fixing base 04 assembles to the line rail slider 15 of supreme, below through the outer hexagon bolt 16 of second on, the top of fixing base 04 includes the plane, installation hand wheel 03 on this plane, connects T type screw rod 02 on this hand wheel 03, and V type piece 01 is equipped with to this T type screw rod 02 top.
The cylinder fixing plate 13, the linear rail 11, the linear rail sliding block 15, the cylinder 10, the fixing seat 04, the hand wheel 03, the T-shaped screw 02 and the V-shaped block 01 are symmetrically arranged around the supporting plate 17.
The connecting plate 07 is assembled with the wire rail 11 by the first outer hexagon bolt 06.
The wire rail 11 further comprises a first hexagon socket screw 09 for connecting the wire rail 11 with the support plate 17.
The fixing seat 04 comprises a side plate, the side plate is connected with the line rail sliding block 15, the top of the side plate is provided with the plane, an included angle between the plane and the side plate is 90 degrees, the side plate is connected with a cylinder connecting plate 08 between the planes, and the outer edge of the cylinder connecting plate 08 is a bevel edge which is a reinforcing plate.
The movable end of the cylinder 10 is connected to the cylinder connecting plate 08, so that the fixed seat 04 is driven by the movable end of the cylinder 10 connected to one side of the cylinder connecting plate 08 to slide along the linear rail 11 through the linear rail slide block 15, thereby realizing the movement of the balance shaft lifted above the fixed seat 04.
The fixing seat 04 is further provided with a guide key 05, the T-shaped screw 02 is provided with a key groove, and when the hand wheel rotates, the screw moves up and down without rotating.
An adjusting screw 12 is further arranged on the cylinder fixing seat 13, and the adjusting screw 12 is used for limiting when the cylinder pulls the positioning device to move backwards.
The working method of the auxiliary device of the transmission shaft dynamic balance testing machine in the embodiment comprises the following steps: the auxiliary device of the transmission shaft dynamic balance testing machine is arranged on a base of the balancing machine, and is placed between two swing bases of the balancing machine; the transmission shaft is placed on the auxiliary supporting V-shaped block, then the transmission shaft is moved back and forth by the aid of the air cylinder, the adjusting bolt plays a role in limiting the stroke backwards, the upper and lower centering is adjusted by the aid of the T-shaped screw rod and the nut hand wheel, when the transmission shafts of different specifications are replaced, the air cylinder, the T-shaped screw rod and the nut hand wheel are required to be adjusted again, and the auxiliary device of the dynamic balance testing machine of the transmission shaft is adjusted once again.
The auxiliary device for the transmission shaft dynamic balance testing machine in the embodiment is suitable for being installed and used on all the transmission shaft dynamic balance testing machines at present. The transmission shaft dynamic balance testing machine auxiliary device is installed on the dynamic balance testing machine after, and it is very convenient that the transmission shaft assembly couples with the balance machine flange centering, adjusts well in advance the central point of transmission shaft dynamic balance testing machine auxiliary device on transmission shaft dynamic balance testing machine puts the transmission shaft assembly on transmission shaft dynamic balance testing machine auxiliary device's the V type piece, and is pedal the pneumatic switch of transmission shaft dynamic balance testing machine is once, makes transmission shaft dynamic balance testing machine auxiliary device's cylinder removes, drives the transmission shaft assembly on the V type piece and removes backward, thereby makes transmission shaft dynamic balance testing machine's flange aligns with the transmission shaft flange, and the manual work is adorned the hookup bolt and is fixed can.
Balance testing machine's rocker I19's input shaft passes through belt 23 and is connected to motor 24 to carry out the dynamic balance experiment, transmission shaft dynamic balance testing machine auxiliary device installs on dynamic balance testing machine base 25, has solved well when heavy transmission shaft is dynamic balance experiment, and manual work is embracing the transmission shaft with both hands and is installed the transmission shaft assembly on the balancing machine, does the actual problem that dynamic balance experiment work efficiency is low, intensity of labour is big.
Embodiment 2.1. a drive shaft dynamic balance test method, comprising:
step S1 places the propeller shaft assembly on the V-block of the support device.
Step S2 adjusts the driving device to move backward, so that the transmission shaft assembly on the V-shaped block moves backward.
And S3, adjusting the position of the V-shaped block to enable the transmission shaft assembly to be aligned with the swing frame of the dynamic balance testing machine.
And S4, fixedly connecting and locking the transmission shaft with the two ends of the dynamic balance testing machine.
And S5, adjusting the auxiliary device of the dynamic balance testing machine of the transmission shaft, and keeping a gap between the V-shaped block and the supporting point of the transmission shaft.
And S6, starting the balancing machine to perform a dynamic balance test of the transmission shaft.
And S7, after the balance of the transmission shaft is qualified, keeping the V-shaped block (01) in contact with the transmission shaft after the transmission shaft stops rotating, and detaching the fixing bolt of the transmission shaft to separate the transmission shaft assembly from the dynamic balance testing machine.
Step S8 makes the driving device move forward, and lifts the transmission shaft from the V-shaped block (01).
Step S9 repeats the loop of step S6.
Steps S1-S8 are sequentially performed, or steps S1, S2, S3, S4, S5, S6, S9, S7, S8 are sequentially performed.
After step S2 and before step S3, the auxiliary device for the dynamic balance testing machine for the transmission shaft is adjusted so that there is a gap between the support point of the auxiliary device for the dynamic balance testing machine for the transmission shaft and the support point of the transmission shaft.
Embodiment 2.2 transmission shaft dynamic balance test method, comprising:
1, placing the transmission shaft assembly on a V-shaped block (01).
2, the pneumatic electromagnetic valve is electrified by pedaling the control switch at least once, the cylinder moves backwards, the stroke is limited by the adjusting bolt (12), and the transmission shaft assembly moves backwards and is centered.
3, adjusting hand wheels (03) on two sides to vertically center the transmission shaft assembly with flanges on a swing frame I19 and a swing frame II 20 of the dynamic balance testing machine.
4 install the transmission shaft assembly on the flange of dynamic balance testing machine both ends, with transmission shaft dynamic balance special purpose bolt, locking plate with the transmission shaft with dynamic balance testing machine is fixed, then with the wrench will the transmission shaft with dynamic balance testing machine flange locking.
And 5, manually rotating hand wheels (03) on two sides of the auxiliary device of the dynamic balance testing machine of the transmission shaft to rotate anticlockwise, and keeping a gap between the V-shaped block and a bearing point of the transmission shaft.
6, starting the balancing machine to perform a dynamic balance test of the transmission shaft.
7, after the transmission shaft is balanced and qualified, and the transmission shaft stops rotating, hand wheels (03) on two sides are manually rotated clockwise to keep the V-shaped block (01) in contact with the transmission shaft, a transmission shaft fixing bolt is dismounted, and a handle 21 of a swing frame II 20 is moved to separate a transmission shaft assembly flange from a dynamic balance testing machine flange.
8, the pneumatic electromagnetic valve is electrified by one-time pedal control of the switch, the cylinder moves forwards, and the transmission shaft assembly is lifted down from the V-shaped block (01).
9 repeating the above operation cycle.
In the step 2, if the transmission shaft adjusting bolts (12) with different specifications are replaced, the adjustment is needed again.
Before the auxiliary device of the transmission shaft dynamic balance testing machine in the embodiment is installed, a transmission shaft dynamic balance test is carried out, a transmission shaft assembly with the weight within the range of 30-60 kilograms needs 2 persons to lift the balancing machine with two hands, a positioning spigot of a transmission shaft flange is difficult to be in centering connection with the flange of the balancing machine, and the clamping time of a single transmission shaft needs 4-5 minutes; after the auxiliary device for the dynamic balance testing machine of the transmission shaft is installed, the flange of the transmission shaft is conveniently connected with the flange of the balance machine, the clamping time of a single transmission shaft only needs 2 minutes, and the time is saved by half. And after the auxiliary device of the transmission shaft dynamic balance testing machine is installed, a dynamic balance test of a transmission shaft assembly is carried out, the transmission shaft assembly with the weight below 40 kilograms can be independently completed by only one person, and the labor cost is reduced.
Before the auxiliary device of the transmission shaft dynamic balance testing machine is not installed, 8 transmission shafts are subjected to dynamic balance in one hour. After the auxiliary device of the transmission shaft dynamic balance testing machine is installed, 12 heavy transmission shafts are subjected to dynamic balance within one hour, and the working efficiency is improved by 1/3; the wages of workers are improved by 30%, and the working enthusiasm of workers is improved. The previous 2 people work is completed by one person, so that the production cost of an enterprise is reduced, and the win-win situation is realized.
Claims (10)
1. A dynamic balance test method of a transmission shaft is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
step S1, the transmission shaft assembly is placed on an auxiliary device of the transmission shaft dynamic balance testing machine;
step S2, adjusting the driving device to move back and forth, and aligning a transmission shaft assembly on the auxiliary device of the transmission shaft dynamic balance testing machine with a swing frame of the dynamic balance testing machine;
step S3, fixedly connecting and locking a transmission shaft with flanges at two ends of the dynamic balance testing machine;
step S4, starting a balancing machine to perform a dynamic balance test of the transmission shaft;
step S5, when the balance of the transmission shaft is qualified, and the transmission shaft stops rotating, the transmission shaft assembly is separated from the dynamic balance testing machine;
step S6, the driving device is moved forward, and the transmission shaft is lifted down from the auxiliary device of the transmission shaft dynamic balance testing machine;
step S7, repeating the above step S4 cycle;
steps S1 to S6 are sequentially performed, or steps S1, S2, S3, S4, S7, S5, S6 are sequentially performed.
2. The drive shaft dynamic balance test method of claim 1, characterized in that: after step S2 and before step S3, the drive shaft dynamic balance testing machine auxiliary device is adjusted so that there is a gap between the support point of the drive shaft dynamic balance testing machine auxiliary device and the support point of the drive shaft.
3. The utility model provides a transmission shaft dynamic balance testing machine auxiliary device which characterized in that: the balance shaft testing device is characterized by comprising a bearing plate (17), wherein the bearing plate (17) is connected with a base of a balance testing machine, one side above the bearing plate (17) comprises an opening, a balance shaft is convenient to support, driving device fixing plates (13) are connected to the left side and the right side of the bearing plate (17), a driving device is arranged on one side of each driving device fixing plate (13), the movable end of each driving device is connected to a cylinder connecting plate (08), and the movable end of each driving device is further connected with a V-shaped block (01) so as to support the balance shaft on the V-shaped block and slide under the driving of the driving device, so that the position of the balance shaft on the V-shaped block is adjusted to enter the opening on.
4. The auxiliary device of the transmission shaft dynamic balance testing machine according to claim 3, characterized in that: the opening of the support plate includes a lower straight portion, an arc portion, and an upper straight portion.
5. The auxiliary device of the transmission shaft dynamic balance testing machine according to claim 4, characterized in that: the straight line where the lower straight line part is located is a secant of the arc-shaped part.
6. The auxiliary device of the drive shaft dynamic balance testing machine according to claim 4 or 5, characterized in that: the upper straight portion is tangent to the upper portion of the arc portion.
7. The auxiliary device of the transmission shaft dynamic balance testing machine according to claim 3, characterized in that: the bottom of the support plate (17) comprises a groove, which is convenient for being installed on the balance testing machine.
8. The auxiliary device of the transmission shaft dynamic balance testing machine according to claim 3, characterized in that: the driving device fixing seat is connected with the supporting plate (17).
9. The auxiliary device of the drive shaft dynamic balance testing machine according to claim 8, characterized in that: the center of the driving device fixing seat (13) comprises a through hole, and the movable end of the driving device (10) penetrates through the through hole of the cylinder fixing seat (13) and is connected with a cylinder connecting plate (08) at the rear end of the fixing seat.
10. The auxiliary device of the drive shaft dynamic balance testing machine according to claim 9, characterized in that: line rail slider (15) and line rail (11) cooperation to can slide on line rail (11), line rail (11) one end is connected in drive arrangement fixing base (13), connect two line rails (11) on drive arrangement fixing base (13), two line rails (11) set up respectively in cylinder fixing base one side top and below, the end of two line rails (11) is passed through connecting plate (07) and is connected, the fastening, guarantee two line rails (11) flat, play the positioning action to line rail (11) simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910102583.1A CN111521325B (en) | 2019-02-01 | 2019-02-01 | Auxiliary device of transmission shaft dynamic balance testing machine and corresponding dynamic balance testing method |
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| CN201910102583.1A CN111521325B (en) | 2019-02-01 | 2019-02-01 | Auxiliary device of transmission shaft dynamic balance testing machine and corresponding dynamic balance testing method |
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| CN111521325B CN111521325B (en) | 2024-05-17 |
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