CN117072516B - Hydraulic spring cylinder for underground scraper trailer - Google Patents
Hydraulic spring cylinder for underground scraper trailer Download PDFInfo
- Publication number
- CN117072516B CN117072516B CN202311328910.8A CN202311328910A CN117072516B CN 117072516 B CN117072516 B CN 117072516B CN 202311328910 A CN202311328910 A CN 202311328910A CN 117072516 B CN117072516 B CN 117072516B
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- ring
- semi
- shell
- cylinder body
- hydraulic spring
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- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 40
- 238000009434 installation Methods 0.000 claims description 31
- 229920000742 Cotton Polymers 0.000 claims description 25
- 239000004744 fabric Substances 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 10
- 239000000049 pigment Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010015866 Extravasation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of hydraulic spring cylinders, and discloses a hydraulic spring cylinder for an underground scraper trailer, which comprises a cylinder body, a telescopic shaft positioned at one side of the cylinder body and a sealing ring positioned in the cylinder body, wherein the cylinder body is provided with a dust cover positioned at one side of the telescopic shaft, the telescopic shaft penetrates through the dust cover, one end of the dust cover is provided with a mounting mechanism connected with the cylinder body, and the dust cover consists of two semi-ring protective shells.
Description
Technical Field
The invention relates to the technical field of hydraulic spring cylinders, in particular to a hydraulic spring cylinder for an underground scraper trailer.
Background
The hydraulic spring cylinder for the underground scraper trailer system is disclosed by the invention patent application with the publication number of CN112682388A, and comprises a cylinder body, two baffles and a telescopic shaft, wherein the two ends of the cylinder body are fixedly connected with the baffles, the telescopic shaft is in sliding connection with the baffles at one end of the cylinder body, and the telescopic shaft extends into the cylinder body. According to the invention, the hydraulic valve is abandoned by using the pressure relief rod and the cooling cavity, the structure is simplified, and the protection device is facilitated by adopting a multistage pressure relief mode; according to the invention, the heat exchange tube is used for cooling the oil in the cylinder body, so that overheating is avoided; according to the invention, the distance sensor is used, when the oil pressure in the pressurizing cavity is increased to a certain degree, the pressure relief rod can move to the right to relieve pressure, then the distance sensor can sense the position of the pressure relief rod, a signal is timely sent out, a user is reminded that the oil pressure in the pressure relief cavity reaches a threshold value, and the pressurizing is stopped.
The existing hydraulic spring cylinder, such as the hydraulic spring cylinder for the trailer system of the underground scraper, has the following problems when in use, and the end part of the existing hydraulic spring cylinder is provided with a sealing ring for preventing liquid leakage inside the hydraulic spring cylinder, and the sealing ring is easy to age and damage, so that the hydraulic spring cylinder needs to be regularly detected and maintained to prevent the liquid leakage; meanwhile, when drilling is performed on soil layers or rocks, a large amount of dust exists in the working environment, so that the damage of the sealing ring can not only cause liquid leakage to affect normal operation, but also cause external dust to enter the hydraulic spring cylinder.
To sum up, the existing hydraulic spring cylinder at present has the problem that a user is difficult to find out that the sealing ring of the hydraulic spring cylinder is damaged in time when working, so that liquid leakage and dust entering are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a hydraulic spring cylinder for an underground scraper trailer, which solves the problems that a user can not find out that a sealing ring of the hydraulic spring cylinder is damaged in time when working, thereby causing liquid leakage and dust entering.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hydraulic spring jar for underground scraper trailer, includes the cylinder body, is located the telescopic shaft of cylinder body one side and is located the sealing washer of cylinder body, the cylinder body is located telescopic shaft one side and is provided with the dust cover, the telescopic shaft runs through the dust cover, dust cover one end is provided with the installation mechanism who is connected with the cylinder body, the dust cover comprises two semi-ring protection shells, two semi-ring protection shells one side is equal fixed mounting has dustproof sealing pad, be provided with the semi-ring installation shell in the semi-ring protection shells, two semi-ring installation shell tip offsets, install the cotton protection casing in the semi-ring installation shell, pigment powder has been placed in the cotton protection casing, the installation cavity has been seted up in the semi-ring installation shell outside fixedly connected with slide bar, slide bar one end is located the installation cavity, installation cavity lateral wall fixed mounting has the pressure sensor who corresponds with the slide bar position, fixedly provided with first spring between slide bar and the installation cavity lateral wall, semi-ring outside fixed mounting has controller and alarm, the semi-ring protection shell outside is provided with verification mechanism, be provided with in the installation mechanism in the semi-ring protection shell, the semi-ring installation shell tip offsets, install the protection shell tip, install the slide bar rotation mechanism in the semi-ring protection shell.
Preferably, the mounting mechanism comprises an annular threaded opening formed in one side of the cylinder body, and one end of the semi-ring protecting shell is fixedly connected with a second threaded semi-ring in threaded connection with the annular threaded opening.
Preferably, the stop gear is including seting up the installing port in second screw thread semi-ring one side, sliding connection has the arc slider in the installing port, fixedly provided with second spring between arc slider and the installing port, arc slider one end fixedly connected with stay cord, fixed mounting has first wrapping post in the installing port, first wrapping post and slide bar fixed connection are walked around to stay cord one end, annular limiting port that is connected with the arc slider has been seted up to annular screw thread mouth lateral wall.
Preferably, the verification mechanism comprises a semi-ring transparent shell fixedly arranged on the outer side of the semi-ring protective shell, and a liquid outlet communicated with the semi-ring transparent shell is formed in the inner wall of the semi-ring protective shell.
Preferably, the inner wall of the semi-ring protective shell is fixedly provided with a semi-ring block, the inner side of the semi-ring block is provided with a chamfer, and the lower side of the semi-ring block chamfer is positioned on one side of the liquid outlet.
Preferably, a plurality of weeping holes are formed in one side of the semi-ring installation shell.
Preferably, two semi-ring protective shells are fixedly provided with rotating blocks on one sides, and a spring rotating shaft is rotatably arranged between the two rotating blocks.
Preferably, the rotating mechanism comprises a first thread semi-ring in threaded connection with the semi-ring protective shell, a connecting rope is fixedly connected to the inner side of the first thread semi-ring, a second winding post is fixedly installed in the installation cavity, and one end of the connecting rope bypasses the second winding post and is fixedly connected with the sliding rod.
Preferably, when the arc-shaped sliding block slides into the annular limiting opening, the cotton cloth protective cover is propped against one side of the cylinder body, and a gap is reserved between the semi-ring mounting shell and one side of the cylinder body.
Preferably, the inner diameter of the half ring mounting shell is larger than the diameter of the telescopic shaft.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the dustproof cover is arranged on one side of the telescopic shaft of the cylinder body, so that the dustproof effect of the whole cylinder body can be improved, the cotton cloth protective cover is arranged in the semi-ring installation shell in the semi-ring protective shell, pigment powder is placed in the cotton cloth protective cover, when a small amount of liquid is infiltrated, the infiltrated liquid is sucked into the cotton cloth, the weight of the whole cotton cloth protective cover is increased, the pressure sensor is pressed and touched, and the controller and the alarm are matched to alarm so as to remind workers to maintain in time.
2. According to the semi-ring transparent shell, the semi-ring transparent shell is fixedly arranged on the outer side of the semi-ring protective shell, the liquid outlet communicated with the semi-ring transparent shell is formed in the inner wall of the semi-ring protective shell, the cotton cloth protective cover is used for sucking the exosmosed liquid, then the exosmosed liquid is contacted with pigment powder, the liquid is dyed, then the liquid flows into the semi-ring transparent shell through the liquid outlet, the worker can conveniently confirm that the reason of alarm is liquid exosmosis, and the alarm can be maintained in time.
3. According to the invention, the dust cover is split into the two semi-ring protective shells, the rotating blocks are fixedly arranged on one sides of the two semi-ring protective shells, the spring rotating shaft is rotatably arranged between the two rotating blocks, so that the whole dust cover is convenient to assemble, install and disassemble, the cotton cloth protective cover in the dust cover is convenient to replace, and the dust cover can be reused.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
FIG. 4 is an enlarged view of a portion of B in FIG. 3;
FIG. 5 is a schematic perspective view of a half-ring protective shell according to the present invention;
FIG. 6 is a schematic perspective view of a half-ring mounting shell according to the present invention;
fig. 7 is a schematic side view of the dust cap of the present invention.
In the figure: 1. a cylinder; 2. a telescopic shaft; 3. a semi-ring protective shell; 4. a seal ring; 5. a rotating block; 6. a semi-ring transparent shell; 7. a semi-ring block; 8. a dust-proof gasket; 9. a spring rotating shaft; 10. a cotton cloth protective cover; 11. a half ring installation shell; 12. a slide bar; 13. a weeping hole; 14. pigment powder; 15. a pull rope; 16. a mounting port; 17. an arc-shaped sliding block; 18. an annular limiting port; 19. a liquid outlet; 20. a first threaded half ring; 21. a pressure sensor; 22. a connecting rope; 23. a first spring; 24. a first winding post; 25. a second spring; 26. an alarm; 27. a controller; 28. a second threaded half ring; 29. a mounting cavity; 30. and a second winding post.
Description of the embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 7, the invention provides a hydraulic spring cylinder for an underground scraper trailer, which comprises a cylinder body 1, a telescopic shaft 2 positioned at one side of the cylinder body 1 and a sealing ring 4 positioned in the cylinder body 1, wherein the structure is in the prior art, the side of the cylinder body 1 positioned at the telescopic shaft 2 is provided with a dust cover, the telescopic shaft 2 penetrates through the dust cover, the dust prevention effect inside the whole cylinder body 1 can be increased, one end of the dust cover is provided with a mounting mechanism connected with the cylinder body 1, the dust cover consists of two semi-ring protective shells 3, one sides of the two semi-ring protective shells 3 are fixedly provided with a dust sealing pad 8, the semi-ring protective shells 3 are internally provided with semi-ring mounting shells 11, the end parts of the two semi-ring mounting shells 11 are propped against each other, the inner diameter of the semi-ring mounting shells 11 is larger than the diameter of the telescopic shaft 2, a cotton cloth protective cover 10 is mounted in the semi-ring mounting shells 11, the cotton cloth protective cover 10 can be fixed in the semi-ring mounting shells 11 in an adhesion mode, pigment powder 14 is placed in the cotton cloth protective cover 10, one side of the two semi-ring protective shells 3 is fixedly provided with rotating blocks 5, a spring rotating shaft 9 is rotatably arranged between the two rotating blocks 5, the whole protective cover is convenient for assembling and the dust protective cover and the whole protective cover can be repeatedly detached and installed inside and can be repeatedly used.
The installation cavity 29 has been seted up in the semi-ring protective housing 3, semi-ring installation housing 11 outside fixedly connected with slide bar 12, slide bar 12 one end is located installation cavity 29, installation cavity 29 lateral wall fixed mounting has the pressure sensor 21 that corresponds with slide bar 12 position, fixedly provided with first spring 23 between slide bar 12 and the installation cavity 29 lateral wall, semi-ring protective housing 3 outside fixed mounting has controller 27 and alarm 26, when beginning to have a small amount of liquid to ooze, the cotton can inhale the liquid of oozing for whole protection casing 10 weight increases, touch pressure sensor 21 through the cotton extrusion, cooperation through controller 27 and alarm 26 is reported to the police and is reminded the staff, in time maintain.
The semi-ring protective shell 3 outside is provided with verification mechanism, verification mechanism includes semi-ring transparent shell 6 of fixed mounting in semi-ring protective shell 3 outside, semi-ring protective shell 3 inner wall seted up with semi-ring transparent shell 6 intercommunication's liquid outlet 19, cotton protection casing 10 with the liquid of extravasation after inhaling, with pigment powder 14 contact, liquid is dyed, then flow to semi-ring transparent shell 6 through liquid outlet 19 in, the staff of being convenient for confirms, alarm 26 warning's reason is that the liquid is extravasated, can in time maintain.
A limiting mechanism is arranged in the mounting mechanism, one end of the limiting mechanism is fixedly connected with the slide rod 12, and a rotating mechanism for controlling the slide rod 12 to reset is arranged outside the semi-ring protective shell 3.
As a further scheme of the invention, the mounting mechanism comprises an annular threaded opening formed in one side of the cylinder body 1, and one end of the semi-ring protective shell 3 is fixedly connected with a second threaded semi-ring 28 which is in threaded connection with the annular threaded opening, so that the whole dust cover and the cylinder body 1 can be conveniently mounted.
As a further scheme of the invention, the limiting mechanism comprises a mounting opening 16 arranged at one side of a second threaded semi-ring 28, an arc-shaped sliding block 17 is slidably connected in the mounting opening 16, a second spring 25 is fixedly arranged between the arc-shaped sliding block 17 and the mounting opening 16, one end of the arc-shaped sliding block 17 is fixedly connected with a pull rope 15, a first winding post 24 is fixedly arranged in the mounting opening 16, one end of the pull rope 15 bypasses the first winding post 24 and is fixedly connected with the sliding rod 12, an annular limiting opening 18 connected with the arc-shaped sliding block 17 is arranged on the side wall of the annular threaded opening, the annular limiting opening 18 is communicated with the mounting opening 16, when the arc-shaped sliding block 17 slides into the annular limiting opening 18, the cotton cloth protective cover 10 abuts against one side of the cylinder body 1, a gap is reserved between the semi-ring mounting shell 11 and one side of the cylinder body 1, after the second threaded semi-ring 28 is rotationally spliced with the annular threaded opening, the mounted dust cover can be limited through the connection of the arc-shaped sliding block 17 and the annular limiting opening 18, and limiting can be released after an alarm occurs.
As a further scheme of the invention, the inner wall of the semi-ring protective shell 3 is fixedly provided with the semi-ring block 7, the inner side of the semi-ring block 7 is provided with a chamfer, the lower side of the chamfer of the semi-ring block 7 is positioned at one side of the liquid outlet 19, so that dyed liquid can conveniently flow into the semi-ring transparent shell 6 through the liquid outlet 19.
As a further scheme of the invention, one side of the semi-ring mounting shell 11 is provided with a plurality of weeping holes 13, so that dyed liquid can leak out of the semi-ring mounting shell 11.
As a further scheme of the invention, the rotating mechanism comprises a first threaded half ring 20 in threaded connection with the half ring protective shell 3, a connecting rope 22 is fixedly connected to the inner side of the first threaded half ring 20, a second winding post 30 is fixedly installed in a mounting cavity 29, one end of the connecting rope 22 bypasses the second winding post 30 and is fixedly connected with the sliding rod 12, after an alarm is given, the sliding rod 12 can be controlled to be separated from the pressure sensor 21 before maintenance is carried out, and the alarm is timely released.
Working principle:
when the anti-dust device is used, the rotating block 5 is rotated to expand the two semi-ring protective shells 3, the semi-ring protective shells are sleeved on the outer sides of the telescopic shafts 2, then the rotating block 5 is rotated to close the two semi-ring protective shells 3, and then the closed dust cover is rotated, so that the closed second threaded semi-ring 28 is in threaded connection with the annular threaded opening, and the dust cover is installed;
the closed second screw thread semi-ring 28 can extrude the arc slide block 17 to slide into the mounting port 16 in the process of being in threaded connection with the annular screw thread port, the second spring 25 is extruded until the mounting port 16 is communicated with the annular limiting port 18, and the outer end of the arc slide block 17 is pushed to slide into the annular limiting port 18 due to the action of the second spring 25, so that the mounted dust cover is limited;
in the working process, when a small amount of liquid begins to permeate, the cotton cloth protective cover 10 can suck the permeated liquid, so that the weight of the whole cotton cloth protective cover 10 is increased, the semi-ring installation shell 11 is moved to drive the slide rod 12 to move, the slide rod 12 pressed and contacted with the pressure sensor 21 is driven to drive the first spring 23 at one side of the slide rod to be pressed, and the controller 27 and the alarm 26 are matched to alarm to remind workers for timely maintenance;
the elastic force of the first spring 23 is larger than that of the second spring 25, and when the slide bar 12 moves, no matter the slide bar 12 moves upwards or downwards, the arc-shaped slide block 17 is pulled by the pull rope 15 to separate from the annular limiting opening 18, so that the limit is released;
after the cotton cloth protective cover 10 sucks the exosmosed liquid, the exosmosed liquid is contacted with the pigment powder 14, the liquid is dyed and then flows into the semi-ring transparent shell 6 through the liquid outlet 19, so that the operator can confirm conveniently, the alarm 26 alarms because of the exosmosed liquid, and the liquid can be maintained in time;
after alarming, before maintenance, the first screw thread half ring 20 can be rotated, the slide bar 12 is pulled by the connecting rope 22 to be separated from the pressure sensor 21, alarming is timely released, and the connecting rope 22 is in a loose state before the first screw thread half ring 20 is rotated for free movement of the slide bar 12.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a hydraulic spring jar for underground scraper trailer, includes cylinder body (1), telescopic shaft (2) that are located cylinder body (1) one side and sealing washer (4) that are located cylinder body (1), its characterized in that, cylinder body (1) are located telescopic shaft (2) one side and are provided with the dust cover, telescopic shaft (2) run through the dust cover, dust cover one end is provided with the installation mechanism who is connected with cylinder body (1), the dust cover comprises two semi-ring protection shells (3), two semi-ring protection shells (3) one side is all fixed mounting has dustproof sealing pad (8), be provided with semi-ring installation shell (11) in semi-ring protection shells (3), two semi-ring installation shell (11) tip offsets, install cotton protection casing (10) in semi-ring installation shell (11), pigment powder (14) have been placed in cotton protection casing (10), install installation cavity (29) in semi-ring protection shell (3), installation shell (11) outside fixedly connected with slide bar (12), slide bar (12) one end is located in semi-ring protection shell (29) and is provided with one side wall (12) fixed mounting side wall (12) and is provided with one side wall (12) fixed mounting side wall between the slide bar (23), the utility model provides a semi-ring protection shell (3) outside fixed mounting has controller (27) and alarm (26), semi-ring protection shell (3) outside is provided with verification mechanism, be provided with stop gear in the installation mechanism, stop gear one end and slide bar (12) fixed connection, semi-ring protection shell (3) outside is provided with the slewing mechanism that control slide bar (12) reset, installation mechanism is including seting up the annular screw thread mouth in cylinder body (1) one side, semi-ring protection shell (3) one end fixedly connected with annular screw thread mouth threaded connection's second screw thread semi-ring (28), stop gear is including seting up installing port (16) in second screw thread semi-ring (28) one side, install port (16) sliding connection has arc slider (17), fixedly provided with second spring (25) between arc slider (17) and installing port (16), arc slider (17) one end fixedly connected with stay cord (15), install port (16) internal fixation has first post (24), first one end (15) bypass first screw thread semi-ring (24) and first spool (12) are equipped with annular spool (6) fixed connection semi-ring (6) and are in verification mechanism outside fixed connection semi-ring (16), the semi-ring protective shell is characterized in that a liquid outlet (19) communicated with the semi-ring transparent shell (6) is formed in the inner wall of the semi-ring protective shell (3), when a small amount of liquid begins to extravasate, the cotton cloth protective cover (10) can suck the extravasated liquid, so that the weight of the whole cotton cloth protective cover (10) is increased, the semi-ring installation shell (11) is enabled to move, the sliding rod (12) is driven to move, the sliding rod (12) which is in extrusion contact with the pressure sensor (21) can drive a first spring (23) on one side of the sliding rod to be extruded, and the controller (27) and the alarm (26) are matched to give an alarm to remind workers to maintain in time.
2. The hydraulic spring cylinder for the underground scraper trailer according to claim 1, wherein the semi-ring block (7) is fixedly arranged on the inner wall of the semi-ring protective shell (3), a chamfer angle is formed in the inner side of the semi-ring block (7), and the lower part of the chamfer angle of the semi-ring block (7) is positioned on one side of the liquid outlet (19).
3. Hydraulic spring cylinder for underground scraper trailers according to claim 1, characterized in that a plurality of weeping holes (13) are opened on one side of the semi-ring mounting shell (11).
4. Hydraulic spring cylinder for underground scraper trailers according to claim 1, characterized in that the turning blocks (5) are fixedly mounted on one side of the two semi-ring protective shells (3), and a spring turning shaft (9) is rotatably arranged between the two turning blocks (5).
5. The hydraulic spring cylinder for the underground scraper trailer according to claim 1, wherein the rotating mechanism comprises a first threaded half ring (20) in threaded connection with a half ring protecting shell (3), a connecting rope (22) is fixedly connected to the inner side of the first threaded half ring (20), a second winding post (30) is fixedly installed in the installation cavity (29), and one end of the connecting rope (22) bypasses the second winding post (30) to be fixedly connected with the sliding rod (12).
6. Hydraulic spring cylinder for underground scraper trailers according to claim 1, characterized in that the cotton protection cover (10) is pressed against one side of the cylinder body (1) when the arc-shaped slide block (17) slides into the annular limit opening (18), and a gap is arranged between the semi-ring mounting shell (11) and one side of the cylinder body (1).
7. Hydraulic spring cylinder for underground scraper trailers according to claim 1, characterized in that the inner diameter of the half-ring mounting shell (11) is larger than the diameter of the telescopic shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311328910.8A CN117072516B (en) | 2023-10-16 | 2023-10-16 | Hydraulic spring cylinder for underground scraper trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311328910.8A CN117072516B (en) | 2023-10-16 | 2023-10-16 | Hydraulic spring cylinder for underground scraper trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117072516A CN117072516A (en) | 2023-11-17 |
| CN117072516B true CN117072516B (en) | 2024-01-26 |
Family
ID=88717389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311328910.8A Active CN117072516B (en) | 2023-10-16 | 2023-10-16 | Hydraulic spring cylinder for underground scraper trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117072516B (en) |
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| JPH0861313A (en) * | 1994-08-19 | 1996-03-08 | Tokico Ltd | Cylinder device |
| JP2007147054A (en) * | 2005-11-28 | 2007-06-14 | Nagahama Seisan Gijutsu Kenkyusho:Kk | Looseness preventing tapered ring |
| CN102817879A (en) * | 2012-08-29 | 2012-12-12 | 三一重工股份有限公司 | Hydro-pneumatic spring cylinder and engineering vehicle |
| CN102951138A (en) * | 2011-08-26 | 2013-03-06 | 常州市武进骏宇汽配涂料有限公司 | Piston type spring cylinder |
| CN103195769A (en) * | 2013-03-29 | 2013-07-10 | 浙江华尔士自控仪表阀门有限公司 | Spring cylinder |
| CN109823248A (en) * | 2019-01-21 | 2019-05-31 | 北京怀建混凝土有限责任公司 | A kind of storage and transportation trailer of concrete delivery pipe |
| CN216044737U (en) * | 2021-09-22 | 2022-03-15 | 常州市武进安圩液压件制造有限公司 | Hydraulic cylinder with dustproof mechanism |
| CN115592679A (en) * | 2022-09-28 | 2023-01-13 | 西南石油大学（Cn） | Mountain pipeline maintenance and repair cutting groove robot |
-
2023
- 2023-10-16 CN CN202311328910.8A patent/CN117072516B/en active Active
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| JPH0861313A (en) * | 1994-08-19 | 1996-03-08 | Tokico Ltd | Cylinder device |
| JP2007147054A (en) * | 2005-11-28 | 2007-06-14 | Nagahama Seisan Gijutsu Kenkyusho:Kk | Looseness preventing tapered ring |
| CN102951138A (en) * | 2011-08-26 | 2013-03-06 | 常州市武进骏宇汽配涂料有限公司 | Piston type spring cylinder |
| CN102817879A (en) * | 2012-08-29 | 2012-12-12 | 三一重工股份有限公司 | Hydro-pneumatic spring cylinder and engineering vehicle |
| CN103195769A (en) * | 2013-03-29 | 2013-07-10 | 浙江华尔士自控仪表阀门有限公司 | Spring cylinder |
| CN109823248A (en) * | 2019-01-21 | 2019-05-31 | 北京怀建混凝土有限责任公司 | A kind of storage and transportation trailer of concrete delivery pipe |
| CN216044737U (en) * | 2021-09-22 | 2022-03-15 | 常州市武进安圩液压件制造有限公司 | Hydraulic cylinder with dustproof mechanism |
| CN115592679A (en) * | 2022-09-28 | 2023-01-13 | 西南石油大学（Cn） | Mountain pipeline maintenance and repair cutting groove robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117072516A (en) | 2023-11-17 |
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