CN112503057B - Accurate limiting device for small hydraulic equipment - Google Patents
Accurate limiting device for small hydraulic equipment Download PDFInfo
- Publication number
- CN112503057B CN112503057B CN202011372660.4A CN202011372660A CN112503057B CN 112503057 B CN112503057 B CN 112503057B CN 202011372660 A CN202011372660 A CN 202011372660A CN 112503057 B CN112503057 B CN 112503057B
- Authority
- CN
- China
- Prior art keywords
- hydraulic equipment
- protective cover
- assembly
- lifting rod
- mounting ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 73
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 abstract description 12
- 239000000872 buffer Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2853—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using potentiometers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- 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
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- 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
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
-
- 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
-
- 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an accurate limiting device for small-sized hydraulic equipment, which relates to the field of hydraulic equipment and comprises a hydraulic equipment component, wherein a protection component is arranged on the outer side of the hydraulic equipment component, a limiting component is arranged on the outer wall of the hydraulic equipment component, a dust removing component is arranged at the top end of the hydraulic equipment component, and a cleaning component is arranged on the outer side of the dust removing component. According to the invention, through the first protective cover, the second protective cover, the clamping blocks, the springs and the displacement sensors, when the lifting rod drives the clamping blocks on the inner walls of the first protective cover and the second protective cover to ascend, the springs buffer and limit the movement of the lifting rod under the elastic support, and when the clamping blocks ascend, the displacement sensors detect the ascending height of the clamping blocks, if the ascending height of the lifting rod is different from the ascending height of the clamping blocks, the PLC controls the warning lamp to operate, and reminds workers, so that the problem that the lifting rod is easy to cause cylinder detachment due to excessive hydraulic pressure is effectively solved.
Description
Technical Field
The invention relates to the field of hydraulic equipment, in particular to an accurate limiting device for small-sized hydraulic equipment.
Background
The hydraulic equipment is equipment for driving the device to stably run through the volume change of hydraulic oil, wherein a hydraulic oil cylinder belongs to small-sized hydraulic equipment and is mainly used in a hydraulic lifting system.
In the use of small-size hydraulic equipment in the existing market, the limiting device of the lifting rod is inconvenient to set, hydraulic pressure is excessive easily, the lifting rod is out of a cylinder, and the problem of huge potential safety hazards is caused.
Disclosure of Invention
The invention aims at: in order to solve the problems that the lifting rod is easy to be out of a cylinder due to excessive hydraulic pressure, the limiting device is inconvenient to install and dust is adhered to the lifting rod, the accurate limiting device for the small hydraulic equipment is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a small-size hydraulic equipment is with accurate stop device, includes the hydraulic equipment subassembly, the outside of hydraulic equipment subassembly is provided with the protection subassembly, and the outer wall of hydraulic equipment subassembly is provided with spacing subassembly, the top of hydraulic equipment subassembly is provided with dust removal subassembly, dust removal subassembly's outside is provided with clean subassembly, and is provided with the dwang on the dust removal subassembly, the bottom of dwang is provided with the supporting shoe, be provided with the installation component on the protection subassembly, be provided with the movable groove on the spacing subassembly, the inboard of movable groove is provided with the spring.
Preferably, the hydraulic equipment is arranged on the hydraulic equipment assembly, a piston is arranged in the hydraulic equipment, a lifting rod is arranged at the top end of the piston, and an installation seat is arranged at the output end of the lifting rod.
Preferably, the protection component is provided with a first mounting ring, one side of the first mounting ring is provided with a second mounting ring, the bottom end of the first mounting ring is provided with a first protection cover, the bottom end of the second mounting ring is provided with a second protection cover, and friction blocks are arranged on the inner sides of the first mounting ring and the second mounting ring.
Preferably, the mounting assembly is provided with a buckle, a sealing gasket is arranged above the buckle, the top end of the sealing gasket is provided with a fixing buckle, and the sealing gasket is connected with the first protective cover through glue.
Preferably, a displacement sensor is mounted on the inner wall of the movable groove, a spring is welded at the top end of the movable groove, a supporting plate is arranged at the bottom end of the spring, and a warning lamp is mounted on the outer side of the displacement sensor, which is located on the second protective cover.
Preferably, the outer wall of the rotating rod is provided with a sponge roller, and the sponge roller is rotationally connected with the rotating rod through a bearing.
Preferably, the cleaning component is provided with a supporting frame, the inner side of the supporting frame is provided with rotating rollers, the outer wall of each rotating roller is provided with a glue Mao Jiaodian, and the number of the rotating rollers is multiple.
Preferably, the first protection casing is connected with the second protection casing through the buckle rotation, and first protection casing and second protection casing pass through sealed pad, fixed knot fixed connection, the inner wall welding of first protection casing and second protection casing has the fixture block.
Preferably, the displacement sensor is electrically connected with the warning lamp through the PLC, the movable grooves are connected with the clamping blocks in a clamping mode, and the number of the movable grooves is four.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, through the first protective cover, the second protective cover, the clamping blocks, the springs, the movable grooves and the displacement sensors, when the lifting rod drives the clamping blocks on the inner walls of the first protective cover and the second protective cover to ascend, the springs buffer and limit the movement of the lifting rod under the elastic support, and when the clamping blocks ascend, the displacement sensors detect the ascending height of the clamping blocks, and if the ascending height of the lifting rod is different from the ascending height of the clamping blocks, the PLC controls the warning lamp to operate, so that workers are reminded, and the problem that the lifting rod is easy to cause cylinder detachment due to excessive hydraulic pressure is effectively solved.
2. According to the invention, the clamping blocks on the inner walls of the first protective cover and the second protective cover are clamped in the movable groove through the first protective cover and the second protective cover, the bottom ends of the first protective cover and the second protective cover are fixed through the clamping blocks, after the clamping blocks are fixed, the first mounting ring and the second mounting ring on the top ends of the first protective cover and the second protective cover are clamped on the outer wall of the lifting rod through the friction blocks, and then the fixing buckles on the top ends of the first protective cover and the second protective cover are closed, so that the first protective cover and the second protective cover are fixed together through the sealing gasket, and then the first protective cover and the second protective cover are fixed outside the hydraulic equipment, so that the problem that the limiting device is inconvenient to install is effectively solved.
3. According to the invention, through the rotating rod, the sponge roller, the rotating rod and the adhesive Mao Jiaodian, when the lifting rod is retracted, the rotating rod supports the sponge roller, so that dust adhered to the outer wall of the lifting rod is adhered and removed when the sponge roller rotates, and meanwhile, the middle support frame supports the rotating roller, so that dust remained on the sponge roller is adhered through the adhesive Mao Jiaodian on the outer wall of the rotating roller when the rotating roller rotates, the sponge roller is kept clean, and the problem of dust adhering to the lifting rod is effectively solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of a sponge roller of the present invention;
FIG. 4 is an enlarged view of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic diagram of a movable trough of the present invention;
FIG. 6 is a schematic view of a first mounting ring of the present invention;
fig. 7 is a schematic view of the hair-sticking cushion of the present invention.
In the figure: 1. a hydraulic equipment assembly; 101. a hydraulic device; 102. a piston; 103. a lifting rod; 104. A mounting base; 2. a protective assembly; 201. a first mounting ring; 202. a second mounting ring; 203. a first shield; 204. a second shield; 205. a friction block; 206. a clamping block; 3. a mounting assembly; 301. a buckle; 302. a sealing gasket; 303. a fixing buckle; 4. a limit component; 401. a movable groove; 402. a spring; 403. a support plate; 404. a displacement sensor; 405. a warning light; 5. a dust removal assembly; 501. a rotating lever; 502. A sponge roller; 503. a support block; 6. a cleaning assembly; 601. a support frame; 602. a rotating roller; 603. and (3) sticking Mao Jiaodian.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, an accurate limiting device for small-sized hydraulic equipment comprises a hydraulic equipment assembly 1, wherein a protection assembly 2 is arranged on the outer side of the hydraulic equipment assembly 1, a limiting assembly 4 is arranged on the outer wall of the hydraulic equipment assembly 1, a dust removing assembly 5 is arranged on the top end of the hydraulic equipment assembly 1, a cleaning assembly 6 is arranged on the outer side of the dust removing assembly 5, a rotating rod 501 is arranged on the dust removing assembly 5, a supporting block 503 is arranged at the bottom end of the rotating rod 501, an installation assembly 3 is arranged on the protection assembly 2, a movable groove 401 is arranged on the limiting assembly 4, and a spring 402 is arranged on the inner side of the movable groove 401.
Referring to fig. 1 and 2, a hydraulic device 101 is disposed on a hydraulic device assembly 1, a piston 102 is disposed in the hydraulic device 101, a lifting rod 103 is disposed at the top end of the piston 102, and a mounting seat 104 is disposed at the output end of the lifting rod 103.
In the invention, equipment to be lifted is fixed on the mounting seat 104, and then the hydraulic equipment 101 is controlled to operate, so that the piston in the hydraulic equipment moves, and the lifting rod 103 is driven to lift.
Referring to fig. 1,2 and 6, a first mounting ring 201 is disposed on the protection component 2, a second mounting ring 202 is disposed on one side of the first mounting ring 201, a first protection cover 203 is disposed at the bottom end of the first mounting ring 201, a second protection cover 204 is disposed at the bottom end of the second mounting ring 202, and friction blocks 205 are disposed on the inner sides of the first mounting ring 201 and the second mounting ring 202.
The clamping blocks 206 on the inner walls of the first protection cover 203 and the second protection cover 204 are clamped in the movable grooves 401, the bottom ends of the first protection cover 203 and the second protection cover 204 are fixed through the clamping buckles 301, after the clamping blocks are fixed, the first mounting ring 201 and the second mounting ring 202 on the top ends of the first protection cover 203 and the second protection cover 204 are clamped on the outer wall of the lifting rod 103 through the friction blocks 205, then the fixing buckles 303 on the top ends of the first protection cover 203 and the second protection cover 204 are closed, so that the fixing buckles are fixed together through the sealing gaskets 302, and the first protection cover 203 and the second protection cover 204 are fixed outside the hydraulic equipment 101.
Referring to fig. 1 and 6, a buckle 301 is disposed on the mounting assembly 3, a sealing pad 302 is disposed above the buckle 301, a fixing buckle 303 is disposed at the top end of the sealing pad 302, and the sealing pad 302 is connected with the first protection cover 203 through glue.
The clamping blocks 206 on the inner walls of the first protective cover 203 and the second protective cover 204 are clamped in the movable grooves 401, the bottom ends of the first protective cover 203 and the second protective cover 204 are fixed through the clamping buckles 301, after the clamping blocks are fixed, the first mounting ring 201 and the second mounting ring 202 on the top ends of the first protective cover 203 and the second protective cover 204 are clamped on the outer wall of the lifting rod 103 through the friction blocks 205, and then the fixing buckles 303 on the top ends of the first protective cover 203 and the second protective cover 204 are closed, so that the first protective cover 203 and the second protective cover 204 are fixed together through the sealing gaskets 302.
Referring to fig. 1 and 5, a displacement sensor 404 is installed on the inner wall of the movable slot 401, a spring 402 is welded on the top end of the movable slot 401, a support plate 403 is disposed at the bottom end of the spring 402, and a warning lamp 405 is installed on the outer side of the displacement sensor 404 located on the second protective cover 204.
In the invention, when the lifting rod 103 drives the first protective cover 203 and the second protective cover 204 to lift, the clamping blocks 206 on the inner walls of the first protective cover 203 and the second protective cover 204 lift and press the spring 402 through the supporting plate 403, so that the spring 402 can buffer and limit the movement of the lifting rod 103 due to elasticity and through the first protective cover 203 and the second protective cover 204, the lifting rod 103 can only move within a certain range, and when the clamping blocks 206 lift, the displacement sensor 404 is driven to operate, the displacement sensor 404 detects the lifting height of the clamping blocks 206, the detected height signals are converted into electric signals and transmitted to the PLC, and if the preset lifting height of the lifting rod 103 is different from the lifting height of the clamping blocks 206, the PLC controls the operation of the warning lamp 405, so that the warning lamp 405 is lightened to remind workers.
Referring to fig. 2,3 and 4, a sponge roller 502 is disposed on an outer wall of the rotating lever 501, and the sponge roller 502 is rotatably connected to the rotating lever 501 through a bearing.
In the invention, the rotating rod 501 supports the sponge roller 502, so that dust adhered to the outer wall of the lifting rod 103 is removed when the sponge roller 502 rotates.
Referring to fig. 2,3 and 4, a supporting frame 601 is disposed on the cleaning assembly 6, a rotating roller 602 is disposed on an inner side of the supporting frame 601, a glue Mao Jiaodian is disposed on an outer wall of the rotating roller 602, and the number of the rotating rollers 602 is plural.
In the invention, the support frame 601 supports the rotating roller 602, so that dust remained on the sponge roller 502 is adhered by the adhesive Mao Jiaodian on the outer wall of the rotating roller 602 when the rotating roller 602 rotates, and the sponge roller 502 is kept clean.
Referring to fig. 1 and 6, the first protection cover 203 and the second protection cover 204 are rotatably connected by a buckle 301, and the first protection cover 203 and the second protection cover 204 are fixedly connected by a sealing pad 302 and a fixing buckle 303, and a clamping block 206 is welded on the inner walls of the first protection cover 203 and the second protection cover 204.
The clamping blocks 206 on the inner walls of the first protective cover 203 and the second protective cover 204 are clamped in the movable grooves 401, the bottom ends of the first protective cover 203 and the second protective cover 204 are fixed through the clamping buckles 301, after the clamping blocks are fixed, the first mounting ring 201 and the second mounting ring 202 on the top ends of the first protective cover 203 and the second protective cover 204 are clamped on the outer wall of the lifting rod 103 through the friction blocks 205, and then the fixing buckles 303 on the top ends of the first protective cover 203 and the second protective cover 204 are closed, so that the first protective cover 203 and the second protective cover 204 are fixed together through the sealing gaskets 302.
Referring to fig. 1 and 5, the displacement sensor 404 is electrically connected to the warning lamp 405 through the PLC controller, the movable slots 401 are connected to the clamping blocks 206 in a clamping manner, and the number of the movable slots 401 is four.
In the invention, when the clamping block 206 ascends, the displacement sensor 404 is driven to operate, the displacement sensor 404 detects the ascending height of the clamping block 206, the detected height signal is converted into an electric signal and transmitted to the PLC, and if the preset ascending height of the lifting rod 103 is different from the ascending height of the clamping block 206, the PLC controls the warning lamp 405 to operate, so that the warning lamp 405 is lightened to remind workers.
Working principle: when the hydraulic lifting device is used, the clamping blocks 206 on the inner walls of the first protective cover 203 and the second protective cover 204 are clamped in the movable grooves 401, the bottom ends of the first protective cover 203 and the second protective cover 204 are fixed through the clamping blocks 301, after the clamping blocks are fixed, the first mounting ring 201 and the second mounting ring 202 on the top ends of the first protective cover 203 and the second protective cover 204 are clamped on the outer wall of the lifting rod 103 through the friction blocks 205, then the fixing buckles 303 on the top ends of the first protective cover 203 and the second protective cover 204 are closed, so that the fixing buckles are fixed together through the sealing gaskets 302, the first protective cover 203 and the second protective cover 204 are fixed outside the hydraulic device 101, the device to be lifted is fixed on the mounting seat 104, then the hydraulic device 101 is controlled to operate, the piston inside the hydraulic device is controlled to move, and the lifting rod 103 is driven to lift, and when the lifting rod 103 drives the first protective cover 203 and the second protective cover 204 to lift, the clamping blocks 206 on the inner walls of the first protective cover 203 and the second protective cover 204 squeeze the spring 402, so that the spring 402 buffers and limits the movement of the lifting rod 103, the lifting rod 103 can only move within a certain range, and when the clamping blocks 206 ascend, the displacement sensor 404 is driven to operate, the displacement sensor 404 detects the ascending height of the clamping blocks 206, the detected height signals are converted into electric signals and transmitted to the PLC, if the ascending height set by the lifting rod 103 is different from the ascending height set by the clamping blocks 206, the PLC controls the warning lamp 405 to operate, the warning lamp 405 is lightened, the staff is reminded, and when the lifting rod 103 is retracted, the rotating rod 501 supports the sponge roller 502, so that dust adhered to the outer wall of the lifting rod 103 is removed by adhesion when the sponge roller 502 rotates, meanwhile, the middle supporting frame 601 supports the rotating roller 602, the rotary roller 602 is used for adhering the dust remained on the sponge roller 502 through the adhesive Mao Jiaodian on the outer wall of the rotary roller 602 when rotating, so that the sponge roller 502 is kept clean.
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.
Claims (4)
1. The utility model provides a small-size hydraulic equipment is with accurate stop device, includes hydraulic equipment subassembly (1), its characterized in that: the hydraulic equipment comprises a hydraulic equipment assembly (1), wherein a protection assembly (2) is arranged on the outer side of the hydraulic equipment assembly (1), a limit assembly (4) is arranged on the outer wall of the hydraulic equipment assembly (1), a dust removal assembly (5) is arranged on the top end of the hydraulic equipment assembly (1), a cleaning assembly (6) is arranged on the outer side of the dust removal assembly (5), a rotating rod (501) is arranged on the dust removal assembly (5), a supporting block (503) is arranged at the bottom end of the rotating rod (501), an installation assembly (3) is arranged on the protection assembly (2), a movable groove (401) is formed in the limit assembly (4), and a spring (402) is arranged on the inner side of the movable groove (401);
The hydraulic equipment assembly (1) is provided with hydraulic equipment (101), a piston (102) is arranged in the hydraulic equipment (101), a lifting rod (103) is arranged at the top end of the piston (102), and an installation seat (104) is arranged at the output end of the lifting rod (103);
The protection assembly (2) is provided with a first mounting ring (201), one side of the first mounting ring (201) is provided with a second mounting ring (202), the bottom end of the first mounting ring (201) is provided with a first protection cover (203), the bottom end of the second mounting ring (202) is provided with a second protection cover (204), friction blocks (205) are arranged on the inner sides of the first mounting ring (201) and the second mounting ring (202), and the friction blocks (205) are clamped on the outer wall of the lifting rod (103);
a displacement sensor (404) is arranged on the inner wall of the movable groove (401), a spring (402) is welded at the top end of the movable groove (401), a supporting plate (403) is arranged at the bottom end of the spring (402), and a warning lamp (405) is arranged on the outer side of the displacement sensor (404) and positioned on the second protective cover (204);
The first protective cover (203) is rotationally connected with the second protective cover (204) through a buckle (301), the first protective cover (203) is fixedly connected with the second protective cover (204) through a sealing gasket (302) and a fixing buckle (303), and a clamping block (206) is welded on the inner walls of the first protective cover (203) and the second protective cover (204);
The displacement sensor (404) is electrically connected with the warning lamp (405) through the PLC, the movable grooves (401) are connected with the clamping blocks (206) in a clamping mode, and the number of the movable grooves (401) is four.
2. The accurate limiting device for small-sized hydraulic equipment according to claim 1, wherein: be provided with buckle (301) on installation component (3), the top of buckle (301) is provided with sealed pad (302), the top of sealed pad (302) is provided with fixed knot (303), and sealed pad (302) are connected through glue with first protection casing (203).
3. The accurate limiting device for small-sized hydraulic equipment according to claim 1, wherein: the outer wall of the rotating rod (501) is provided with a sponge roller (502), and the sponge roller (502) is rotationally connected with the rotating rod (501) through a bearing.
4. The accurate limiting device for small-sized hydraulic equipment according to claim 1, wherein: be provided with support frame (601) on clean subassembly (6), the inboard of support frame (601) is provided with rotor (602), the outer wall of rotor (602) is provided with glues Mao Jiaodian (603), and the quantity of rotor (602) is a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011372660.4A CN112503057B (en) | 2020-11-30 | 2020-11-30 | Accurate limiting device for small hydraulic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011372660.4A CN112503057B (en) | 2020-11-30 | 2020-11-30 | Accurate limiting device for small hydraulic equipment |
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| CN112503057A CN112503057A (en) | 2021-03-16 |
| CN112503057B true CN112503057B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011372660.4A Active CN112503057B (en) | 2020-11-30 | 2020-11-30 | Accurate limiting device for small hydraulic equipment |
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| CN113757222B (en) * | 2021-09-21 | 2024-01-26 | 天地科技股份有限公司 | Hydraulic cylinder telescopic stroke measuring device and method |
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| CN209835529U (en) * | 2019-05-14 | 2019-12-24 | 芜湖高昌液压机电技术有限公司 | Accurate limiting device for small-sized hydraulic equipment |
| CN210919624U (en) * | 2019-09-03 | 2020-07-03 | 无锡市鑫垚传动机械制造有限公司 | Hydraulic oil cylinder device for heavy engineering |
| CN211488704U (en) * | 2019-12-02 | 2020-09-15 | 重庆睿新金属制品有限公司 | Car hydraulic tank ejector pin |
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2020
- 2020-11-30 CN CN202011372660.4A patent/CN112503057B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209539700U (en) * | 2018-12-28 | 2019-10-25 | 韶关市涵泰科技有限公司 | A kind of improved hydraulic cylinder of structure |
| CN211501154U (en) * | 2019-09-30 | 2020-09-15 | 深圳市迈斯艾尔科技发展有限公司 | Dustproof cylinder |
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| Publication number | Publication date |
|---|---|
| CN112503057A (en) | 2021-03-16 |
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