CN113304800A - Hydraulic pressure is smashed pincers operation hydro-cylinder self-lubricate and is maintained device - Google Patents
Hydraulic pressure is smashed pincers operation hydro-cylinder self-lubricate and is maintained device Download PDFInfo
- Publication number
- CN113304800A CN113304800A CN202110552516.7A CN202110552516A CN113304800A CN 113304800 A CN113304800 A CN 113304800A CN 202110552516 A CN202110552516 A CN 202110552516A CN 113304800 A CN113304800 A CN 113304800A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- frame
- hydraulic
- rod
- crushing
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides an automatic oil cylinder lubricating and maintaining device in the operation of hydraulic crushing tongs, wherein a sliding plate is arranged above a vertical frame, an ejector rod is attached to the upper surface of the sliding plate, the ejector rod is clamped in a cavity, an elastic frame is arranged at the top of the ejector rod, a lifting frame is arranged between every two adjacent elastic frames, the lifting frame penetrates through the cavity, and an oil storage bag is arranged on the upper surface of the bottom end of the lifting frame. Drive the operation of activity pincers through hydraulic cylinder, hydraulic cylinder drives the auxiliary rod and reciprocates, the auxiliary rod extrudees the sliding plate when reciprocating, drive sliding plate contact ejector pin and remove inside the cavity, design based on spring bracket and inclined hole, hydraulic cylinder lasts the extrusion back, the ejector pin lasts upwards to move, after ejector pin contact elastic frame, adjacent elastic frame drives and lifts the frame and shifts up the extrusion oil storage bag, pour into hydraulic cylinder into through oil pipe, realized at hydraulic cylinder operation in-process, the automatic mesh of being interrupted the oiling and carrying out lubricated maintenance.
Description
Technical Field
The invention belongs to the technical field of hydraulic crushing tongs, and particularly relates to an automatic oil cylinder lubricating and maintaining device in the operation of the hydraulic crushing tongs.
Background
The hydraulic crushing pliers are hydraulic accessories which can be crushed and dismantled, the movable part of the crushing pliers is pushed through the hydraulic oil cylinder, the included angle between the movable pliers and the fixed pliers is increased or reduced, and therefore objects are crushed, the hydraulic oil cylinder on the hydraulic crushing pliers is mostly exposed to the outside, and after the hydraulic crushing pliers are used for a long time, the inside of the hydraulic crushing pliers needs a specific maintenance device for lubrication.
The hydraulic crushing tongs have the advantages that during operation of the hydraulic crushing tongs, oil can not be automatically interrupted during the working process of the hydraulic oil cylinder to lubricate and maintain the hydraulic oil cylinder, the service life cycle of the hydraulic oil cylinder is short, and meanwhile, long-time operation of the hydraulic oil cylinder can generate a large amount of heat to influence the operation speed of the hydraulic oil cylinder of the movable tongs. Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an automatic oil cylinder lubricating and maintaining device in the operation of the hydraulic crushing tongs is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic oil cylinder lubricating and maintaining device in the operation of hydraulic crushing tongs, which is achieved by the following specific technical means:
an automatic oil cylinder lubricating and maintaining device in the operation of hydraulic crushing tongs comprises a crushing tong body, wherein movable tongs are movably arranged in the crushing tong body, a hydraulic oil cylinder is arranged at the joint of the movable tongs and the crushing tong body, an auxiliary rod is fixedly arranged on the outer surface of the hydraulic oil cylinder and penetrates through the crushing tong body, a vertical frame is attached to the top end of the auxiliary rod, a gear disc is meshed on the outer side surface of the vertical frame, a movable plate is arranged on the front surface of the gear disc, a heat conducting sheet is attached to the outer surface of the hydraulic oil cylinder and is arranged in a telescopic bag, a push rod is attached to the top of the telescopic bag, a compression column is slidably arranged in the top end of the push rod and is arranged on the outer opposite surface of the compression column, a piston plate is arranged above the compression column, and is slidably arranged in an air guide cylinder, the air outlet pipe is fixedly mounted on the upper surface of the air duct, a sliding plate is arranged above the vertical frame, an ejector rod is attached to the upper surface of the sliding plate and is clamped in the cavity, an elastic frame is arranged at the top of the ejector rod, a lifting frame is arranged between every two adjacent elastic frames and penetrates through the cavity, an oil storage bag is arranged on the upper surface of the bottom end of the lifting frame, and an oil pipe is fixedly connected between the bottom of the oil storage bag and the hydraulic oil cylinder.
Furthermore, the outer surface of the lifting frame is sleeved with a spring, the elastic frame is arranged in a bilateral symmetry mode based on the center of the lifting frame, the elastic frame is arranged in an inclined mode, and the elastic frame and the ejector rod are arranged in an up-and-down corresponding mode.
Furthermore, the connecting part of the ejector rod and the cavity is respectively provided with a corresponding spring frame and an inclined hole, the sliding plate is of an L-shaped structure, the sliding plate and the vertical frame are arranged in an up-down corresponding mode, when the hydraulic oil cylinder drives the movable pliers to operate, the hydraulic oil cylinder drives the auxiliary rod to move up and down, after the auxiliary rod extrudes the sliding plate, the sliding plate is driven to contact the ejector rod to move inside the cavity, and based on the design of the spring frame and the inclined hole, after the hydraulic oil cylinder continuously extrudes, the ejector rod contacts the elastic frame to drive the lifting frame to move up, so that the extrusion oil storage bag is injected into the hydraulic oil cylinder through the oil pipe.
Furthermore, the front surface of the gear disc and the interior of the movable plate are respectively provided with a convex column and a sliding hole which correspond to each other, and the compression column is of an L-shaped structure.
Further, the springs are sleeved on the outer surfaces of the push rod and the piston plate, the push rod and the telescopic bag are arranged in an up-down corresponding mode, the pressed column and the moving plate are arranged correspondingly, after the continuous working temperature of the hydraulic oil cylinder rises gradually, the temperature is transmitted to the telescopic bag through the heat conducting fins, the telescopic bag pushes the push rod to move upwards, the push rod drives the pressed column to be connected to the bottom of the piston plate in a clamped mode, the vertical frame is upwards meshed with the gear disc, the moving plate on the surface is driven to move outside, and therefore the piston plate is driven to be pulled inside the air guide cylinder after the pressed column is extruded.
Furthermore, the air duct is fixedly connected with the hydraulic oil cylinder, a one-way valve is arranged at the joint of the air duct and the hydraulic oil cylinder, and a clamping groove corresponding to the compression column is formed in the bottom of the piston plate.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, when the crushing clamp body operates, the movable clamp is driven to operate through the hydraulic oil cylinder, the hydraulic oil cylinder drives the auxiliary rod to move up and down, the auxiliary rod extrudes the sliding plate while moving up and down, the sliding plate is driven to contact with the ejector rod to move in the cavity, based on the design of the spring frame and the inclined hole, after the hydraulic oil cylinder continuously extrudes, the ejector rod continuously moves upwards, and after the ejector rod contacts with the elastic frame, the adjacent elastic frame drives the lifting frame to move upwards, so that the oil storage bag is extruded to be injected into the hydraulic oil cylinder through the oil pipe, the aim of lubricating and maintaining is realized during the operation process of the hydraulic oil cylinder by automatically and discontinuously injecting oil, and the service life of the hydraulic oil cylinder is prolonged.
2. According to the hydraulic smashing clamp, after the continuous working temperature of a hydraulic oil cylinder rises gradually, the temperature is transmitted into the telescopic bag through the heat conducting sheet, the telescopic bag pushes the push rod to move upwards, the push rod drives the pressed column to be clamped at the bottom of the piston plate, the auxiliary rod drives the vertical frame to be meshed with the gear disc upwards while the hydraulic oil cylinder drives the auxiliary rod to move up and down, the outer side of the movable plate on the surface is driven to move through the combination of the convex columns and the sliding holes between the gear disc and the movable plate, the piston plate is driven to be pulled and pulled in the air guide cylinder after the pressed column is extruded, the heat in the hydraulic oil cylinder is discharged through the air outlet pipe, the working efficiency of the hydraulic smashing clamp is improved, and the movable clamp is prevented from being influenced by the overhigh heat in the operation of the hydraulic oil cylinder.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the pulverizing forceps body according to the present invention;
FIG. 3 is a schematic view of the internal structure of the wall of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a crushing pincer body; 2. movable pliers; 3. a hydraulic cylinder; 4. an auxiliary lever; 5. erecting; 6. a gear plate; 7. moving the plate; 8. a heat conductive sheet; 9. a bellows; 10. a push rod; 11. a pressurized column; 12. a piston plate; 13. an air duct; 14. an air outlet pipe; 15. a sliding plate; 16. a top rod; 17. a cavity; 18. an elastic frame; 19. lifting the frame; 20. an oil reservoir bladder; 21. and (4) an oil pipe.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the invention provides an automatic oil cylinder lubricating and maintaining device in the operation of hydraulic crushing tongs, which is shown in the attached drawings 1 to 4: comprises a crushing clamp body 1, a movable clamp 2 is movably arranged in the crushing clamp body 1, a hydraulic oil cylinder 3 is arranged at the joint of the movable clamp 2 and the crushing clamp body 1, an auxiliary rod 4 is fixedly arranged on the outer surface of the hydraulic oil cylinder 3, the auxiliary rod 4 penetrates through the crushing clamp body 1, a vertical frame 5 is attached to the top end of the auxiliary rod 4, a gear disc 6 is meshed on the outer side surface of the vertical frame 5, a movable plate 7 is arranged on the front surface of the gear disc 6, corresponding convex columns and sliding holes are respectively arranged on the front surface of the gear disc 6 and the inner part of the movable plate 7, a heat conducting fin 8 is attached to the outer surface of the hydraulic oil cylinder 3, the heat conducting fin 8 is arranged in a telescopic bag 9, a push rod 10 is attached to the top of the telescopic bag 9, the push rod 10 and the telescopic bag 9 are arranged in an up-down corresponding manner, a column 11 is slidably arranged in the top end of the push rod 10, and a pressed column 11 and a pressed movable plate 7 are arranged in a corresponding manner, the compression column 11 is of an L-shaped structure, the compression column 11 is arranged on the outer opposite surface of the movable plate 7, a piston plate 12 is arranged above the compression column 11, springs are sleeved on the outer surfaces of a push rod 10 and the piston plate 12, the piston plate 12 is slidably arranged inside an air guide cylinder 13, the air guide cylinder 13 is fixedly connected with a hydraulic oil cylinder 3, a one-way valve is arranged at the joint of the air guide cylinder 13 and the hydraulic oil cylinder 3, a clamping groove corresponding to the compression column 11 is formed in the bottom of the piston plate 12, an air outlet pipe 14 is fixedly arranged on the upper surface of the air guide cylinder 13, after the continuous working temperature of the hydraulic oil cylinder 3 gradually rises, the temperature is transmitted to a telescopic bag 9 through a heat conducting sheet 8, the telescopic bag 9 pushes the push rod 10 to move upwards, the push rod 10 drives the compression column 11 to be clamped at the bottom of the piston plate 12, after the vertical frame 5 is upwards meshed with the gear disc 6, the outer movable plate 7 on the surface is driven to move, thereby pressing the pressure column 11 and drawing the piston plate 12 in the air duct 13.
A sliding plate 15 is arranged above the vertical frame 5, a top rod 16 is attached to the upper surface of the sliding plate 15, the top rod 16 is clamped in the cavity 17, a spring frame and an inclined hole which correspond to each other are respectively arranged at the joint of the top rod 16 and the cavity 17, the sliding plate 15 is of an L-shaped structure, the sliding plate 15 and the vertical frame 5 are arranged correspondingly up and down, an elastic frame 18 is arranged at the top of the top rod 16, a lifting frame 19 is arranged between the adjacent elastic frames 18, a spring is sleeved on the outer surface of the lifting frame 19, the elastic frames 18 are symmetrically arranged left and right with the center of the lifting frame 19 as the standard, the elastic frames 18 are arranged obliquely, the elastic frames 18 and the top rod 16 are arranged correspondingly up and down, the lifting frame 19 penetrates through the cavity 17, an oil storage bag 20 is arranged on the upper surface of the bottom end of the lifting frame 19, an oil pipe 21 is fixedly connected between the bottom of the oil storage bag 20 and the hydraulic oil cylinder 3, when the movable clamp 2 is driven by the hydraulic cylinder 3, the auxiliary rod 4 moves up and down, after the auxiliary rod 4 extrudes the sliding plate 15, the sliding plate 15 is driven to contact the ejector rod 16 to move in the cavity 17, and based on the design of the spring frame and the inclined hole, after the hydraulic oil cylinder 3 continuously extrudes, the ejector rod 16 contacts the elastic frame 18 to drive the lifting frame 19 to move upwards, so that the oil storage bag 20 is extruded to be injected into the hydraulic oil cylinder 3 through the oil pipe 21.
The specific use mode and function of the embodiment are as follows:
in the invention, when the crushing clamp body 1 runs, the movable clamp 2 is driven to run by the hydraulic oil cylinder 3, the hydraulic oil cylinder 3 drives the auxiliary rod 4 to move up and down, the sliding plate 15 is extruded while the auxiliary rod 4 moves up and down, the sliding plate 15 is driven to contact the ejector rod 16 to move in the cavity 17, based on the design of the spring frame and the inclined hole, after the hydraulic oil cylinder 3 continuously extrudes, the ejector rod 16 continuously moves upwards, after the ejector rod 16 contacts the elastic frame 18, the adjacent elastic frame 18 drives the lifting frame 19 to move upwards, so that the extrusion oil storage bag 20 is injected into the hydraulic oil cylinder 3 through the oil pipe 21, the aim of lubricating and maintaining is realized by automatically and discontinuously injecting oil in the running process of the hydraulic oil cylinder 3, the service life of the hydraulic oil cylinder 3 is prolonged, meanwhile, after the continuous working temperature of the hydraulic oil cylinder 3 gradually rises, the temperature is transferred into the telescopic bag 9 through the heat conducting sheet 8, and the telescopic bag 9 pushes the push rod 10 to move upwards, push rod 10 drives the bottom that receives the pressure post 11 joint at piston plate 12, when hydraulic cylinder 3 drives auxiliary rod 4 and reciprocates, auxiliary rod 4 drives and erects frame 5 upwards and gear disc 6 meshing, through the combination of projection and slide opening between gear disc 6 and the movable plate 7, it removes to drive the 7 outsides of movable plate on surface, thereby the extrusion receives and drives piston plate 12 behind post 11 and at the inside pull of air duct 13, discharge hydraulic cylinder 3 inside heat through going out tuber pipe 14, improve hydraulic pressure and smash the work efficiency of pincers, avoid hydraulic cylinder 3 high heat in service to influence movable pincers 2.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The utility model provides a hydraulic pressure smashes pincers in service hydro-cylinder self-lubricate maintenance device, includes crushing pincers body (1), its characterized in that: the movable pliers are movably mounted inside the crushing pliers body (1), a hydraulic oil cylinder (3) is arranged at the joint of the movable pliers (2) and the crushing pliers body (1), an auxiliary rod (4) is fixedly mounted on the outer surface of the hydraulic oil cylinder (3), the auxiliary rod (4) penetrates through the crushing pliers body (1), a vertical frame (5) is attached to the top end of the auxiliary rod (4), a gear disc (6) is meshed with the outer side surface of the vertical frame (5), a movable plate (7) is arranged on the front surface of the gear disc (6), heat conducting fins (8) are attached to the outer surface of the hydraulic oil cylinder (3), the heat conducting fins (8) are arranged inside a telescopic bag (9), a push rod (10) is attached to the top of the telescopic bag (9), a compression column (11) is slidably mounted inside the top end of the push rod (10), and the compression column (11) is arranged on the outer opposite surface of the movable plate (7), and a piston plate (12) is arranged above the pressed column (11), the piston plate (12) is slidably mounted inside the air duct (13), an air outlet pipe (14) is fixedly mounted on the upper surface of the air duct (13), a sliding plate (15) is arranged above the vertical frame (5), an ejector rod (16) is attached to the upper surface of the sliding plate (15), the ejector rod (16) is connected inside the cavity (17) in a clamping manner, an elastic frame (18) is arranged at the top of the ejector rod (16), a lifting frame (19) is arranged between the adjacent elastic frames (18), the lifting frame (19) penetrates through the inside of the cavity (17), an oil storage bag (20) is arranged on the upper surface of the bottom end of the lifting frame (19), and an oil pipe (21) is fixedly connected between the bottom of the oil storage bag (20) and the hydraulic oil cylinder (3).
2. The automatic lubricating and maintaining device for the oil cylinder in the operation of the hydraulic crushing tongs as claimed in claim 1, is characterized in that: the outer surface of the lifting frame (19) is sleeved with a spring, the elastic frame (18) is arranged in a bilateral symmetry mode based on the center of the lifting frame (19), the elastic frame (18) is arranged in an inclined mode, and the elastic frame (18) and the ejector rod (16) are arranged in an up-and-down corresponding mode.
3. The automatic lubricating and maintaining device for the oil cylinder in the operation of the hydraulic crushing tongs as claimed in claim 1, is characterized in that: the connecting part of the ejector rod (16) and the cavity (17) is respectively provided with a spring frame and an inclined hole which correspond to each other, the sliding plate (15) is of an L-shaped structure, and the sliding plate (15) and the vertical frame (5) are arranged up and down correspondingly.
4. The automatic lubricating and maintaining device for the oil cylinder in the operation of the hydraulic crushing tongs as claimed in claim 1, is characterized in that: the front surface of the gear disc (6) and the interior of the movable plate (7) are respectively provided with a convex column and a sliding hole which correspond to each other, and the compression column (11) is of an L-shaped structure.
5. The automatic lubricating and maintaining device for the oil cylinder in the operation of the hydraulic crushing tongs as claimed in claim 1, is characterized in that: the outer surfaces of the push rod (10) and the piston plate (12) are sleeved with springs, the push rod (10) and the telescopic bag (9) are arranged in an up-down corresponding mode, and the compression column (11) and the movable plate (7) are arranged in a corresponding mode.
6. The automatic lubricating and maintaining device for the oil cylinder in the operation of the hydraulic crushing tongs as claimed in claim 1, is characterized in that: the air duct (13) is fixedly connected with the hydraulic oil cylinder (3), a one-way valve is arranged at the joint of the air duct (13) and the hydraulic oil cylinder (3), and a clamping groove corresponding to the compression column (11) is formed in the bottom of the piston plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552516.7A CN113304800A (en) | 2021-05-20 | 2021-05-20 | Hydraulic pressure is smashed pincers operation hydro-cylinder self-lubricate and is maintained device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552516.7A CN113304800A (en) | 2021-05-20 | 2021-05-20 | Hydraulic pressure is smashed pincers operation hydro-cylinder self-lubricate and is maintained device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113304800A true CN113304800A (en) | 2021-08-27 |
Family
ID=77373844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110552516.7A Withdrawn CN113304800A (en) | 2021-05-20 | 2021-05-20 | Hydraulic pressure is smashed pincers operation hydro-cylinder self-lubricate and is maintained device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113304800A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605481A (en) * | 2021-10-11 | 2021-11-05 | 徐州双虎金属工具制造有限公司 | Self-cleaning hydraulic crushing pliers for improving lubrication degree of rotating shaft of pliers body |
| CN113967500A (en) * | 2021-09-07 | 2022-01-25 | 杭州宏德智能装备科技有限公司 | Environment-friendly fixed hydraulic breaker is used in mine |
| CN113967500B (en) * | 2021-09-07 | 2024-06-11 | 杭州宏德智能装备科技有限公司 | Mine is with fixed hydraulic breaker |
-
2021
- 2021-05-20 CN CN202110552516.7A patent/CN113304800A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967500A (en) * | 2021-09-07 | 2022-01-25 | 杭州宏德智能装备科技有限公司 | Environment-friendly fixed hydraulic breaker is used in mine |
| CN113967500B (en) * | 2021-09-07 | 2024-06-11 | 杭州宏德智能装备科技有限公司 | Mine is with fixed hydraulic breaker |
| CN113605481A (en) * | 2021-10-11 | 2021-11-05 | 徐州双虎金属工具制造有限公司 | Self-cleaning hydraulic crushing pliers for improving lubrication degree of rotating shaft of pliers body |
| CN113605481B (en) * | 2021-10-11 | 2021-12-10 | 徐州双虎金属工具制造有限公司 | Self-cleaning hydraulic crushing pliers for improving lubrication degree of rotating shaft of pliers body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115889551B (en) | Aviation sheet metal component stamping forming die | |
| CN217095525U (en) | Pusher for forging steel | |
| CN209536079U (en) | A kind of compression set of garbage compression vehicle | |
| CN113304800A (en) | Hydraulic pressure is smashed pincers operation hydro-cylinder self-lubricate and is maintained device | |
| CN105751560A (en) | Long-stroke wedge type energy-saving hydraulic machine and working method thereof | |
| CN117161241A (en) | Arc sheet metal workpiece stamping die | |
| CN103706744A (en) | Petroleum drill rod joint horizontal die forging technology and die forging device | |
| CN209664268U (en) | A kind of aluminium alloy lamps and lanterns die casting | |
| CN209206349U (en) | A kind of floating occlusion molding machine | |
| CN212857333U (en) | Punching device with two-stage efficient punching | |
| CN213763885U (en) | Guide rail screw forging forming stripping device | |
| CN210333992U (en) | Punch forming device for upper shell of automatic air-conditioning compressor | |
| CN2488680Y (en) | Full-automatic hydraulic rod-pressing machine | |
| CN210526015U (en) | Heat preservation type hot press | |
| CN112024680A (en) | Receive material formula mould stamping device | |
| CN112901589A (en) | Main oil cylinder of hydraulic machine | |
| CN220116406U (en) | Low-temperature vacuum dehydration and drying integrated machine | |
| CN201034094Y (en) | Rapid punching hydraulic cylinder | |
| CN220864567U (en) | Two-way mold for plug-pressing type filling | |
| CN218928393U (en) | Double-layer automatic rubber sole forming machine | |
| CN216175680U (en) | Hydraulic punch press hydro-cylinder mechanism | |
| CN210851423U (en) | Intelligent foxing hydraulic press | |
| CN210148228U (en) | Quick hydro-cylinder of cutting machine | |
| CN219746234U (en) | Double-nozzle type press machine heat dissipation mechanism | |
| CN203418010U (en) | Molded part discharging mechanism of flanging die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210827 |