CN213540929U - Mobile trolley for super-long hydraulic cylinder test - Google Patents
Mobile trolley for super-long hydraulic cylinder test Download PDFInfo
- Publication number
- CN213540929U CN213540929U CN202022192721.0U CN202022192721U CN213540929U CN 213540929 U CN213540929 U CN 213540929U CN 202022192721 U CN202022192721 U CN 202022192721U CN 213540929 U CN213540929 U CN 213540929U
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- frame
- hydraulic cylinder
- nut
- layer board
- test
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Abstract
The utility model discloses a travelling car for overlength type pneumatic cylinder is experimental, this travelling car includes frame, lead screw, nut, layer board, layering and gyro wheel, and frame bottom surface four corners is located through the shaft to the gyro wheel, and the frame surface is equipped with the through-hole between two parties, and the frame surface is located and coaxial with the through-hole to the nut, and the lead screw twists the nut and runs through the frame surface, and the lead screw top is located to the layer board, and the layer board top surface is located and layering and layer board interval arrangement to the layering through the bolt. The movable trolley overcomes the defect of the traditional hydraulic cylinder test, avoids the inclined pulling and inclined hanging of the head part of the piston rod, provides reliable movable support for the head part of the piston rod, ensures the hydraulic cylinder test operation, stops the potential safety hazard, saves the test cost and improves the test operation efficiency.
Description
Technical Field
The utility model discloses overhaul of equipments technical field especially relates to a travelling car for overlength type pneumatic cylinder is experimental.
Background
The hydraulic cylinder is a hydraulic actuator for converting hydraulic energy into mechanical energy for reciprocating motion. The structure is simple and the work is reliable. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical equipments.
Usually, the hydraulic cylinder must be subjected to a hydraulic test after being repaired, and the hydraulic cylinder can be used as a qualified product loader after the test is qualified. Along with the development of mechanical equipment, the tonnage, the volume and the length of a hydraulic cylinder are increasingly huge, when an overlong hydraulic cylinder (the length or the stroke exceeds 3 meters) is subjected to a hydraulic test, as shown in fig. 1, a hydraulic cylinder body 1 is located on a V-shaped movable bracket 3 of a fixed table 2, the head of a piston rod 11 of the hydraulic cylinder is hung by an electric hoist 4, the hydraulic cylinder body is prevented from being warped or tilted when the piston rod rises out, the electric hoist is extremely easy to tilt and hang in the telescopic process of the piston rod, the test operation of the hydraulic cylinder is seriously influenced, serious potential safety hazards exist in the test process, two persons are required to operate in the test, one person performs the test operation of the hydraulic cylinder, and the other person operates the electric hoist. Therefore, the cost of manpower and material resources is improved, and the test efficiency is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem that a travelling car for overlength type pneumatic cylinder is experimental is provided, the experimental defect of traditional pneumatic cylinder is overcome to this travelling car, avoids askew drawing of piston rod head to hang to one side, provides reliable activity to the piston rod head and supports, ensures pneumatic cylinder test operation, stops the potential safety hazard, saves experimental cost, improves experimental operating efficiency.
For solving the technical problem, the utility model discloses a travelling car for overlength type pneumatic cylinder is experimental includes frame, lead screw, nut, layer board, layering and gyro wheel, the gyro wheel is located through the shaft frame bottom surface four corners, the frame surface is equipped with the through-hole between two parties, the nut is located the frame surface and with the through-hole is coaxial, the lead screw twists the nut and runs through the frame surface, the layer board is located the lead screw top, the layering is located through the bolt layer board top surface and layering and layer board interval arrangement.
Furthermore, the movable trolley further comprises a pressing plate, a spigot is arranged at the top end of the screw rod, and the pressing plate is buckled with the spigot and fixed on the bottom surface of the supporting plate through a bolt.
Further, the roller is an encapsulated roller.
Because the utility model discloses a travelling car for overlength type pneumatic cylinder is experimental has adopted above-mentioned technical scheme, and this travelling car includes frame, lead screw, nut, layer board, layering and gyro wheel promptly, and the frame bottom surface four corners is located through the shaft to the gyro wheel, and the frame surface is equipped with the through-hole between two parties, and the frame surface is located and coaxial with the through-hole to the nut, and the lead screw twists the nut and runs through the frame surface, and the lead screw top is located to the layer board, and the layer board top surface is located and layering and layer board interval arrangement. The movable trolley overcomes the defect of the traditional hydraulic cylinder test, avoids the inclined pulling and inclined hanging of the head part of the piston rod, provides reliable movable support for the head part of the piston rod, ensures the hydraulic cylinder test operation, stops the potential safety hazard, saves the test cost and improves the test operation efficiency.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic diagram of a conventional hydraulic cylinder test;
FIG. 2 is a schematic structural view of the movable trolley for the over-long hydraulic cylinder test of the present invention;
fig. 3 is a schematic diagram of the application of the mobile trolley.
Detailed Description
Embodiment is shown in fig. 2, the utility model discloses a travelling car for overlength type pneumatic cylinder is experimental includes frame 5, lead screw 6, nut 7, layer board 8, layering 9 and gyro wheel 51, gyro wheel 51 is located through shaft 52 frame 5 bottom surface four corners, frame 5 surface is equipped with the through-hole between two parties, nut 7 is located frame 5 surface and with the through-hole is coaxial, lead screw 6 twists nut 7 and runs through frame 5 surface, layer board 8 is located lead screw 6 top, layering 9 is located through bolt 91 layer board 8 top surface and layering 9 and layer board 8 interval arrangement.
Preferably, the moving trolley further comprises a pressing plate 81, the top end of the screw rod 6 is provided with a spigot 61, and the pressing plate 81 is buckled with the spigot 61 and fixed on the bottom surface of the supporting plate 8 through a bolt 82.
Preferably, the roller 51 is a rubber covered roller.
As shown in figure 3, when the hydraulic test is carried out on the overlong hydraulic cylinder, the cylinder body 1 of the hydraulic cylinder is located on the V-shaped movable bracket 3 of the fixed station 2, the mobile trolley is pushed to the right end of the fixed station 2, the center of the mobile trolley is aligned with the center of the fixed station 2, the mobile trolley is located below the head of a piston rod 11 of the hydraulic cylinder, meanwhile, the screw rod 6 is rotated anticlockwise to enable the supporting plate 8 to be tightly attached to the head of the piston rod 11, the pressing strip 9 is installed on the top surface of the supporting plate 8 by adopting a bolt 91, so that the head of the piston rod 11 is clamped between the supporting plate 8 and the pressing strip 9, an oil inlet pipe and an oil return pipe of the hydraulic cylinder are connected, the hydraulic pump is started, the hydraulic cylinder is tested according to the test pressure of the hydraulic cylinder, during the period, the piston rod 11 drives the mobile trolley to advance,
the test trolley mainly aims at the hydraulic test of the overlong hydraulic cylinder, has the advantages of small occupied area, light weight, simple structure, simple and convenient test and installation, low manufacturing cost, safety and reliability, ensures the quality of the hydraulic test, reduces the overhaul cost, saves time and labor, and is safe and reliable.
Claims (3)
1. The utility model provides a travelling car for overlength type pneumatic cylinder is experimental which characterized in that: the movable trolley comprises a frame, a screw rod, a nut, a supporting plate, a pressing strip and idler wheels, wherein the idler wheels are arranged at four corners of the bottom surface of the frame through wheel shafts, a through hole is formed in the surface of the frame in the middle, the nut is arranged on the surface of the frame and is coaxial with the through hole, the screw rod is screwed into the nut and penetrates through the surface of the frame, the supporting plate is arranged at the top end of the screw rod, the pressing strip is arranged on the top surface of the supporting plate through bolts, and the pressing strip.
2. The mobile trolley for the ultra-long hydraulic cylinder test as claimed in claim 1, wherein: the movable trolley further comprises a pressing plate, wherein a spigot is arranged at the top end of the screw rod, and the pressing plate is buckled with the spigot and is fixed on the bottom surface of the supporting plate through a bolt.
3. The mobile trolley for the ultra-long hydraulic cylinder test according to claim 1 or 2, wherein: the roller is an encapsulated roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022192721.0U CN213540929U (en) | 2020-09-29 | 2020-09-29 | Mobile trolley for super-long hydraulic cylinder test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022192721.0U CN213540929U (en) | 2020-09-29 | 2020-09-29 | Mobile trolley for super-long hydraulic cylinder test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213540929U true CN213540929U (en) | 2021-06-25 |
Family
ID=76495499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022192721.0U Expired - Fee Related CN213540929U (en) | 2020-09-29 | 2020-09-29 | Mobile trolley for super-long hydraulic cylinder test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213540929U (en) |
-
2020
- 2020-09-29 CN CN202022192721.0U patent/CN213540929U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |