Hydraulic cylinder for metallurgy
By introducing guide, wipe and lock components into the metallurgical hydraulic cylinder, the problems of piston rod offset and foreign matter attachment are solved, achieving a more stable and clean sliding effect, and extending the service life of the equipment.
Patent Information
- Application Number
- CN202420838546.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The oil cylinders of existing metallurgical equipment lack a guide mechanism during the lifting process, which causes the piston rod to be easily subjected to pressure deviation and increase wear. Moreover, foreign matters such as slag and debris adhere to the outer wall of the piston rod, increasing friction and affecting the sliding effect.
A metallurgical hydraulic cylinder including anti-biasing assembly, wipe assembly and linkage assembly is designed to limit the piston rod through the guide rod, and the outer wall of the piston rod is cleaned by driving the wipe ring through the linkage assembly, and the mechanical is realized by combining the locking assembly. Lock to ensure stability and cleanliness of the piston rod.
It effectively avoids the deviation of the piston rod during the expansion and contraction process, improves the sliding effect, extends the service life of the oil cylinder, and improves the locking effect through mechanical locking, enhancing the use effect.
Smart Images
Figure CN222121928U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metallurgical oil cylinders, in particular to a hydraulic cylinder for metallurgy. Background Art
[0002] Metallurgy refers to the process and technology of extracting metals or metal compounds from minerals and using various processing methods to make metals into metal materials with certain properties.
[0003] At present, the equipment used in existing metallurgy is relatively heavy. In the process of lifting heavy objects by the oil cylinder, there is no guide mechanism, which causes the piston rod to be easily compressed and deflected during the extension and retraction process, increasing the wear of the piston rod, thereby affecting the use effect and service life of the oil cylinder. At the same time, during the operation of the oil cylinder, foreign matter such as slag, debris or dust in the environment will adhere to the outer wall of the piston rod, increasing the friction of the piston rod. Therefore, it is necessary to wipe the foreign matter on the outer wall of the piston rod to prevent it from affecting the sliding effect of the piston rod in the cylinder body. Utility Model Content
[0004] The technical problem to be solved by the utility model is: to overcome the deficiencies in the prior art and to provide a metallurgical hydraulic cylinder which has a simple structural design, anti-deviation and cleaning functions, and can be mechanically locked.
[0005] The technical solution adopted by the utility model to solve its technical problems is: a hydraulic cylinder for metallurgy, comprising a cylinder body, a cylinder head and a piston rod, the cylinder head is installed at the top end of the cylinder body, the piston rod is arranged in the cylinder body, and its top end extends out of the cylinder body, and also comprises an anti-deviation component, a wiping component and a linkage component, the top end of the anti-deviation component is connected to the top of the piston rod, and the middle part is connected to the top of the cylinder body, the anti-deviation component comprises a plurality of guide rods, the wiping component is installed on the top surface of the cylinder head and is sleeved on the piston rod, the wiping component comprises a wiping ring, the wiping ring is in contact with the outer wall of the piston rod, and the guide rod is connected to the wiping ring through the linkage component.
[0006] Furthermore, the anti-deviation assembly also includes a fixed ring and a movable ring, the fixed ring is installed on the top of the cylinder body and is located below the cylinder cover, the movable ring is installed on the top of the piston rod, the guide rod slides through the guide hole opened on the fixed ring, and its top end is connected to the movable ring.
[0007] Furthermore, the wiping assembly also includes an annular shell and a spring, an annular groove is opened in the middle part of the inner ring of the annular shell, the wiping ring is slidably installed in the annular groove, and its inner ring protrudes from the annular groove and contacts the outer wall of the piston rod, and there are several springs arranged in the annular groove. The springs are respectively arranged on the upper and lower sides of the wiping ring, and the end of the spring close to the wiping ring is connected to the wiping ring, and the end of the spring away from the wiping ring is connected to the inner wall of the annular groove.
[0008] Furthermore, the wiping ring comprises an annular block and a wiping ring, the annular block is slidably mounted in the annular groove, and its inner ring protrudes from the annular groove and is connected to the wiping ring, and the inner ring of the wiping ring contacts the outer wall of the piston rod.
[0009] Furthermore, the linkage assembly includes gears, racks and tooth segments. There are several gears, which are rotatably installed in through holes opened on the outer ring of the annular shell, and the through holes are connected to the annular grooves. There are several racks, which are circumferentially installed on the outer ring of the annular block, and the racks are meshed with corresponding gears. There are several tooth segments, which are axially installed on the inner side of the guide rod at intervals, and the tooth segments are meshed with corresponding gears. A guide groove is opened on the fixed ring to avoid the tooth segment, and the guide groove is connected to the guide hole.
[0010] Furthermore, it also includes a cylinder bottom, a guide sleeve and a piston, wherein the cylinder bottom is installed at the bottom end of the cylinder body, the guide sleeve is arranged at the top end of the cylinder body and is sleeved on the piston rod, and the piston is slidably arranged in the cylinder body and connected to the bottom end of the piston rod.
[0011] Furthermore, it also includes a locking assembly, which includes bolts and locking grooves. There are several bolts, which are threadedly installed in threaded holes opened on the outer ring of the fixing ring, and the threaded holes are connected to the guide holes. There are several locking grooves, which are axially distributed on the outside of the guide rod.
[0012] The beneficial effects of the utility model are:
[0013] (1) The utility model provides an anti-deviation assembly, a wiping assembly and a linkage assembly, and the guide rod guides and limits the extension and retraction of the piston rod to prevent the piston rod from being deflected by pressure during the extension and retraction process. During the guiding process of the guide rod, the linkage assembly drives the wiping assembly to wipe the exposed part of the piston rod, thereby cleaning foreign matter attached to the piston rod and ensuring the sliding effect of the piston rod in the cylinder body, thereby improving the use effect and service life of the oil cylinder;
[0014] (2) The utility model realizes mechanical locking of the cylinder stroke by setting a locking component. Compared with the locking method of blocking hydraulic oil, the locking effect is more stable, thereby further improving the use effect of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 yes Figure 1 Enlarged view of part A in the middle;
[0018] Figure 3 yes Figure 1 Enlarged view of middle part B;
[0019] Figure 4 It is a transverse cross-sectional view of the fixing ring in the utility model.
[0020] In the figure: 100, cylinder body; 200, cylinder head; 300, piston rod; 400, anti-bias assembly; 410, guide rod; 420, fixing ring; 421, guide hole; 422, guide groove; 423, threaded hole; 430, movable ring; 500, wiping assembly; 510, wiping ring; 511, annular block; 512, wiping ring; 520, annular shell; 521, annular groove; 522, through hole; 530, spring; 600, linkage assembly; 610, gear; 620, rack; 630, tooth segment; 700, cylinder bottom; 800, guide sleeve; 900, piston; 1000, locking assembly; 1010, bolt; 1020, lock groove. DETAILED DESCRIPTION
[0021] The utility model is now further described in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model.
[0022] Example 1
[0023] like Figure 1 and Figure 2 As shown, a hydraulic cylinder for metallurgy includes a cylinder body 100, a cylinder head 200, a piston rod 300, an anti-deflection assembly 400, a wiping assembly 500 and a linkage assembly 600. The cylinder head 200 is installed at the top of the cylinder body 100, the piston rod 300 is arranged in the cylinder body 100, and its top end extends out of the cylinder body 100, the top of the anti-deflection assembly 400 is connected to the top of the piston rod 300, and the middle part is connected to the top of the cylinder body 100, the anti-deflection assembly 400 includes a plurality of guide rods 410, the wiping assembly 500 is installed on the top surface of the cylinder head 200, and is sleeved on the piston rod 300, the wiping assembly 500 includes a wiping ring 510, the wiping ring 510 is in contact with the outer wall of the piston rod 300, and the guide rod 410 is connected to the wiping ring 510 through the linkage assembly 600. By configuring the anti-bias component 400, the wiping component 500 and the linkage component 600, the guide rod 410 guides and limits the extension and retraction of the piston rod 300 to prevent the piston rod 300 from being compressed and deflected during the extension and retraction process. During the guiding process of the guide rod 410, the linkage component 600 drives the wiping component 500 to wipe the exposed part of the piston rod 300, thereby cleaning foreign matter attached to the piston rod 300 and ensuring the sliding effect of the piston rod 300 in the cylinder body 100, thereby improving the use effect and service life of the cylinder.
[0024] like Figure 1As shown, the metallurgical hydraulic cylinder further includes a cylinder bottom 700, a guide sleeve 800 and a piston 900. The cylinder bottom 700 is mounted at the bottom end of the cylinder body 100. The guide sleeve 800 is disposed inside the top end of the cylinder body 100 and sleeved on the piston rod 300. The piston 900 is slidably disposed in the cylinder body 100 and connected to the bottom end of the piston rod 300. Specifically, the cylinder bottom 700 can be integrally formed and connected with the cylinder body 100.
[0025] like Figure 1 , Figure 3 and Figure 4 As shown, the anti-deviation assembly 400 also includes a fixed ring 420 and a movable ring 430. The fixed ring 420 is installed on the top of the cylinder body 100 and is located below the cylinder head 200. The movable ring 430 is installed on the top of the piston rod 300. The guide rod 410 slides through the guide hole 421 provided on the fixed ring 420, and its top end is connected to the movable ring 430. Specifically, the guide rods 410 can be two, three or four, and are evenly arranged along the circumference of the fixed ring 420. During the extension and retraction process of the piston rod 300, the multiple guide rods 410 guide and limit the piston rod 300 to prevent it from deflecting.
[0026] like Figure 1 and Figure 2 As shown, the wiping assembly 500 further includes an annular housing 520 and a spring 530. An annular groove 521 is provided in the middle of the inner ring of the annular housing 520. The wiping ring 510 is slidably installed in the annular groove 521, and its inner ring protrudes from the annular groove 521 and contacts the outer wall of the piston rod 300. There are a plurality of springs 530, which are arranged in the annular groove 521. The springs 530 are arranged on the upper and lower sides of the wiping ring 510 respectively. The end of the spring 530 close to the wiping ring 510 is connected to the wiping ring 510, and the end away from the wiping ring 510 is connected to the inner wall of the annular groove 521. Through the arrangement of the wiping assembly 500, the exposed part of the piston rod 300 is wiped up and down, ensuring the cleaning effect. Specifically, the wiper ring 510 includes an annular block 511 and a wiper ring 512. The annular block 511 is slidably mounted in the annular groove 521, and its inner ring protrudes from the annular groove 521 and is connected to the wiper ring 512. The inner ring of the wiper ring 512 contacts the outer wall of the piston rod 300. In actual applications, the wiper ring 512 can be cleaned or replaced regularly.
[0027] like Figure 2As shown, the linkage assembly 600 includes a gear 610, a rack 620 and a tooth segment 630. There are several gears 610, which are rotatably mounted in the through holes 522 provided on the outer ring of the annular housing 520, and the through holes 522 are connected to the annular groove 521. There are several racks 620, which are circumferentially mounted on the outer ring of the annular block 511, and the rack 620 meshes with the corresponding gear 610. There are several tooth segments 630, which are axially spaced and installed on the inner side of the guide rod 410, and the tooth segments 630 mesh with the corresponding gear 610. A guide groove 422 is provided on the fixing ring 420 to avoid the tooth segment 630, and the guide groove 422 is connected to the guide hole 421. Through the setting of the linkage assembly 600, the linkage of the anti-bias assembly 400 and the wiping assembly 500 is realized, and the wiping assembly 500 can wipe the piston rod 300 up and down reciprocatingly, thereby improving the cleaning effect.
[0028] When the piston rod 300 is extended, the multiple guide rods 410 are driven to move upward synchronously through the movable ring 430. During the upward movement of the guide rods 410, when the tooth segment 630 is engaged with the gear 610, the gear 610 is driven to rotate, thereby driving the rack 620 to move downward, thereby synchronously driving the wiping ring 510 to move downward, thereby wiping the piston rod 300 downward; when the tooth segment 630 is no longer engaged with the gear 610, the spring 530 drives the wiping ring 510 to move upward and reset, thereby wiping the piston rod 300 upward, thereby achieving reciprocating up and down wiping of the piston rod 300.
[0029] Example 2
[0030] This embodiment adds a locking assembly 1000 on the basis of Embodiment 1. The setting of the locking assembly 1000 realizes the mechanical locking of the cylinder stroke. Compared with the locking method of blocking the hydraulic oil, the locking effect is more stable, thereby further improving the use effect of the cylinder.
[0031] like Figure 3 As shown, the locking assembly 1000 includes a bolt 1010 and a locking groove 1020. There are a plurality of bolts 1010, which are respectively threadedly installed in the threaded holes 423 provided on the outer ring of the fixing ring 420. The threaded holes 423 are connected to the guide holes 421. There are a plurality of locking grooves 1020, which are axially distributed on the outer side of the guide rod 410. Specifically, the bolt 1010 corresponds to the guide rod 410. When the telescopic stroke of the piston rod 300 is in place, the operator rotates the bolt 1010 until the end of the bolt 1010 close to the cylinder body 100 enters the locking groove 1020, thereby achieving mechanical locking.
[0032] The above-mentioned implementation mode is only for illustrating the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A hydraulic cylinder for metallurgy, comprising a cylinder body (100), a cylinder head (200) and a piston rod (300), wherein the cylinder head (200) is mounted on the top end of the cylinder body (100), and the piston rod (300) is arranged in the cylinder body (100) and its top end protrudes from the cylinder body (100), characterized in that: It also includes an anti-deflection component (400), a wiping component (500) and a linkage component (600). The top of the anti-deflection component (400) is connected to the top of the piston rod (300), and the middle part is connected to the top of the cylinder body (100). The anti-deflection component (400) includes a plurality of guide rods (410). The wiping component (500) is installed on the top surface of the cylinder cover (200) and is sleeved on the piston rod (300). The wiping component (500) includes a wiping ring (510). The wiping ring (510) contacts the outer wall of the piston rod (300). The guide rod (410) is connected to the wiping ring (510) through the linkage component (600).
2. The metallurgical hydraulic cylinder according to claim 1, characterized in that: The anti-deviation assembly (400) further comprises a fixed ring (420) and a movable ring (430), wherein the fixed ring (420) is mounted on the top of the cylinder body (100) and is located below the cylinder cover (200), and the movable ring (430) is mounted on the top of the piston rod (300), and the guide rod (410) slides through a guide hole (421) provided on the fixed ring (420), and its top end is connected to the movable ring (430).
3. The metallurgical hydraulic cylinder according to claim 2, characterized in that: The wiping assembly (500) further comprises an annular shell (520) and a spring (530). An annular groove (521) is provided in the middle of the inner ring of the annular shell (520). The wiping ring (510) is slidably mounted in the annular groove (521), and its inner ring protrudes from the annular groove (521) and contacts the outer wall of the piston rod (300). There are a plurality of springs (530) arranged in the annular groove (521). The springs (530) are respectively arranged on the upper and lower sides of the wiping ring (510). The end of the spring (530) close to the wiping ring (510) is connected to the wiping ring (510), and the end of the spring (530) away from the wiping ring (510) is connected to the inner wall of the annular groove (521).
4. The metallurgical hydraulic cylinder according to claim 3, characterized in that: The wiping ring (510) comprises an annular block (511) and a wiping ring (512); the annular block (511) is slidably mounted in an annular groove (521), and its inner ring protrudes from the annular groove (521) and is connected to the wiping ring (512); the inner ring of the wiping ring (512) contacts the outer wall of the piston rod (300).
5. The metallurgical hydraulic cylinder according to claim 4, characterized in that: The linkage assembly (600) comprises a gear (610), a rack (620) and a tooth segment (630). The gears (610) are multiple and are rotatably mounted in through holes (522) provided on the outer ring of the annular housing (520). The through hole (522) is communicated with the annular groove (521). The racks (620) are multiple and are circumferentially mounted on the outer ring of the annular block (511). The racks (620) mesh with the corresponding gears (610). The tooth segments (630) are multiple and are axially spaced and installed on the inner side of the guide rod (410). The tooth segments (630) mesh with the corresponding gears (610). The fixing ring (420) is provided with a guide groove (422) to avoid the tooth segments (630). The guide groove (422) is communicated with the guide hole (421).
6. The metallurgical hydraulic cylinder according to claim 1, characterized in that: It also includes a cylinder bottom (700), a guide sleeve (800) and a piston (900), wherein the cylinder bottom (700) is installed at the bottom end of the cylinder body (100), the guide sleeve (800) is arranged at the top end of the cylinder body (100) and is sleeved on the piston rod (300), and the piston (900) is slidably arranged in the cylinder body (100) and is connected to the bottom end of the piston rod (300).
7. The metallurgical hydraulic cylinder according to claim 6, characterized in that: The invention also comprises a locking assembly (1000), wherein the locking assembly (1000) comprises bolts (1010) and locking grooves (1020), wherein the bolts (1010) are multiple and are respectively threadedly mounted in threaded holes (423) provided on the outer ring of the fixing ring (420), wherein the threaded holes (423) are connected to the guide holes (421), and the locking grooves (1020) are multiple and are axially distributed on the outer side of the guide rod (410).