CN112178005A - Tunneling hydraulic cylinder - Google Patents

Tunneling hydraulic cylinder Download PDF

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Publication number
CN112178005A
CN112178005A CN202011025411.8A CN202011025411A CN112178005A CN 112178005 A CN112178005 A CN 112178005A CN 202011025411 A CN202011025411 A CN 202011025411A CN 112178005 A CN112178005 A CN 112178005A
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CN
China
Prior art keywords
hydraulic cylinder
fixedly connected
ring
fixed frame
piston rod
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Pending
Application number
CN202011025411.8A
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Chinese (zh)
Inventor
韩振华
张波
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Individual
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Individual
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Publication date
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Priority to CN202011025411.8A priority Critical patent/CN112178005A/en
Publication of CN112178005A publication Critical patent/CN112178005A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1457Piston rods
    • F15B15/1461Piston rod sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/50Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
    • F16J15/52Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N7/00Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/12Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. by wicks

Abstract

The invention relates to the field of hydraulic cylinders, in particular to a tunneling hydraulic cylinder which comprises a hydraulic cylinder main body, wherein a piston rod of the hydraulic cylinder main body is positioned on one side of the hydraulic cylinder main body, a mounting plate is fixedly connected with a moving end of the piston rod, a connector is mounted on the mounting plate, a dustproof pipe is sleeved outside the piston rod of the hydraulic cylinder main body, two ends of the dustproof pipe are fixedly connected with connecting rings, second fixing rings are sleeved on the circumferential outer walls of the connecting rings and fixedly connected with the second fixing rings, and fourth bolts are in threaded connection with the second fixing rings. When the hydraulic cylinder is impacted externally, acting force generated during impact can act on the sliding rod and the protective rod firstly, and the sliding rod and the protective rod can buffer the acting force to prevent the piston rod of the hydraulic cylinder body from being deformed due to the fact that external impact force directly acts on the piston rod of the hydraulic cylinder body.

Description

Tunneling hydraulic cylinder
Technical Field
The invention relates to the field of hydraulic cylinders, in particular to a tunneling hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), and a plurality of mechanical devices are provided with the hydraulic cylinder.
The exterior of the tunneling hydraulic cylinder used at present is not provided with any protective structure, the piston rod of the tunneling hydraulic cylinder is easy to deform due to the impact of external force, so that the piston rod of the tunneling hydraulic cylinder can not normally extend and retract, if the peripheral air of the tunneling hydraulic cylinder contains more foreign matters such as dust, when the piston rod of the tunneling hydraulic cylinder moves, foreign matters such as dust in the air are easy to stick on a piston rod of the tunneling hydraulic cylinder, when the piston rod of the tunneling hydraulic cylinder is recovered, foreign matters such as dust can be brought into the tunneling hydraulic cylinder, the piston of the tunneling hydraulic cylinder is easy to damage, further influencing the sealing performance of the tunneling hydraulic cylinder, if the air around the tunneling hydraulic cylinder is dry, the surface of a piston rod of the tunneling hydraulic cylinder is dry, the friction force generated during movement is large, the load of the tunneling hydraulic cylinder is increased, and the piston rod on the outer wall of the tunneling hydraulic cylinder is easy to wear.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a tunneling hydraulic cylinder, which solves the problems that no protective structure is arranged outside the existing tunneling hydraulic cylinder, a piston rod of the tunneling hydraulic cylinder is easy to deform due to the impact of external force, so that the piston rod of the tunneling hydraulic cylinder cannot normally extend and retract, if the peripheral air of the tunneling hydraulic cylinder in work contains more foreign matters such as dust, the foreign matters such as dust in the air are easy to stick on the piston rod of the tunneling hydraulic cylinder when the piston rod of the tunneling hydraulic cylinder moves, the foreign matters such as dust can be brought into the tunneling hydraulic cylinder when the piston rod of the tunneling hydraulic cylinder is recovered, the piston of the tunneling hydraulic cylinder is easy to damage, the sealing performance of the tunneling hydraulic cylinder is further influenced, and if the peripheral air of the tunneling hydraulic cylinder in work is dry, the surface of the piston rod of the tunneling hydraulic cylinder is, the friction force generated during movement is large, the load of the tunneling hydraulic cylinder is increased, and the problem that a piston rod on the outer wall of the tunneling hydraulic cylinder is easily abraded is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a tunneling hydraulic cylinder comprises a hydraulic cylinder body, wherein a piston rod of the hydraulic cylinder body is positioned on one side of the hydraulic cylinder body, a mounting plate is fixedly connected with a moving end of the piston rod, a connector is installed on the mounting plate, a dustproof pipe is sleeved outside the piston rod of the hydraulic cylinder body, connecting rings are fixedly connected to two ends of the dustproof pipe, a second fixing ring is sleeved and fixedly connected on the circumferential outer wall of the connecting ring, a fourth bolt is connected on the second fixing ring in a threaded manner, one side of the dustproof pipe, away from the mounting plate, is connected to a shell of the hydraulic cylinder body through a lubricating mechanism, a first fixing frame is sleeved and fixedly connected on the shell circumferential outer wall of one side of the hydraulic cylinder body, a second mounting ring is fixedly connected on the shell of the other side of the hydraulic cylinder body, and a second fixing frame is sleeved and fixedly connected on the, all through installing complementary unit between the last lower extreme of the fixed frame of second and first fixed frame and the front and back outer wall, logical groove has all been seted up on the last lower extreme of the fixed frame of second and the front and back inner wall, the one side that leads to inslot portion and be close to first fixed frame all installs protection machanism, it all can dismantle through the third bolt and be connected with the baffle to lead to one side that inslot portion kept away from first fixed frame.
Specifically, the connector includes the cardboard, the cardboard joint is on the mounting panel, the first collar of the equal fixedly connected with in one side middle part that the pneumatic cylinder main part was kept away from to the cardboard, the equal threaded connection in one side middle part four corners that the pneumatic cylinder main part was kept away from to the cardboard has first bolt, first bolt all passes the outer wall of cardboard and equal threaded connection on the mounting panel, the first solid fixed ring of fixedly connected with is established to the cover on the circumference outer wall of cardboard, one side threaded connection that the pneumatic cylinder main part was kept away from to first solid fixed ring has a plurality of second bolts, and is a plurality of the second bolt ring shape distributes on first solid fixed ring and the distance between two adjacent second bolts is the same.
Specifically, the lubricating mechanism comprises a fixed block, the fixed block is fixedly connected to a shell of the hydraulic cylinder main body, the fixed block is sleeved on a piston rod of the hydraulic cylinder main body, a first mounting groove is formed in the middle of one side, close to the mounting plate, of the fixed block, a rubber ring is fixedly connected to the inside of the first mounting groove, the inner wall of the rubber ring is in contact with the outer wall of the piston rod of the hydraulic cylinder main body, a second mounting groove is formed in one side, away from the mounting plate, of the first mounting groove, the diameter of the second mounting groove is larger than that of the first mounting groove, a first compression sponge ring is fixedly connected to the inside of the second mounting groove, the inner wall of the first compression sponge ring is in contact with the outer wall of the piston rod of the hydraulic cylinder main body, a third mounting groove is formed in one side, away from, the inner wall of the second compression sponge ring is in contact with the outer wall of the piston rod of the hydraulic cylinder main body, and lubricating oil is filled in the second compression sponge ring and the first compression sponge ring.
The auxiliary mechanism comprises a fixed shell, wherein the fixed shell is fixedly connected to the peripheral outer wall of the first fixed frame and the second fixed frame, a telescopic groove is formed in the fixed shell, two relative limiting grooves are formed in one side, close to the first fixed frame, of the telescopic groove, limiting blocks are connected to the limiting grooves in a sliding mode, and are located on the same central line.
Specifically, the slide bar is kept away from the equal fixedly connected with compression spring of one end of first fixed frame, one side that compression spring kept away from first fixed frame all with the flexible groove in place keep away from one side inner wall fixed connection of first fixed frame.
The protection mechanism comprises a square pipe, the square pipe is far away from the inside of a through groove at the position and is balanced with a baffle installed inside the through groove at the position, the square pipe is far away from the inside of a fixed frame at the position, the square pipe is connected with a sliding plate in a sliding mode, the sliding plate is far away from a protective rod fixedly connected with the middle part of one side of the fixed frame at the second position, one end of the protective rod far away from the fixed frame at the second position sequentially penetrates through the inside of the sliding groove at the position and the support ring of the auxiliary mechanism, the support ring is clamped on the first fixing ring of the connector, and the protective rod is far away from the second fixed frame and is in threaded connection with the second bolt of the connector.
Specifically, the dust-proof pipe is made of rubber and is in a corrugated shape.
Specifically, the solid fixed ring of casing one side second that pneumatic cylinder main part was kept away from to the dustproof pipe can dismantle through the fourth bolt and connect on the cardboard of connector, the solid fixed ring of one side second that the mounting panel was kept away from to the dustproof pipe can dismantle through the fourth bolt and connect on lubricating mechanism's fixed block.
The invention has the beneficial effects that:
(1) when the hydraulic cylinder is impacted externally, acting force generated during impact can act on the sliding rod and the protective rod firstly, and the sliding rod and the protective rod can buffer the acting force to prevent the piston rod of the hydraulic cylinder body from being deformed due to the fact that external impact force directly acts on the piston rod of the hydraulic cylinder body.
(2) The dustproof pipe is arranged outside the piston rod of the hydraulic cylinder body, so that the piston rod of the hydraulic cylinder body is isolated from outside air, foreign matters such as dust in the air can be prevented from being stuck on the piston rod of the hydraulic cylinder, the piston of the hydraulic cylinder body is prevented from being damaged, and the sealing performance of the hydraulic cylinder is reduced.
(3) The lubricating mechanism is arranged on the hydraulic cylinder main body, lubricating oil is absorbed in the first compression sponge ring and the second compression sponge ring of the lubricating mechanism, and when the piston rod of the hydraulic cylinder main body moves in a telescopic mode, the lubricating oil in the first compression sponge ring and the second compression sponge ring can be smeared on the piston rod of the hydraulic cylinder main body, so that the friction force generated when the piston rod of the hydraulic cylinder main body moves can be reduced, and the outer wall of the piston rod of the hydraulic cylinder main body is prevented from being damaged by the generated friction force.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a cut-away view of the present invention;
FIG. 2 is a diagram of the area A of FIG. 1 according to the present invention;
FIG. 3 is a diagram of the area B of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a fixing block structure according to the present invention;
fig. 5 is a schematic structural view of a first fixing frame according to the present invention;
fig. 6 is a schematic structural view of a second fixing frame according to the present invention;
fig. 7 is a schematic diagram of an external structure provided by the present invention.
In the figure: 1. a hydraulic cylinder main body; 2. mounting a plate; 3. a connector; 31. clamping a plate; 32. a first mounting ring; 33. a first bolt; 34. a first retaining ring; 35. a second bolt; 4. a dust-proof pipe; 5. a connecting ring; 6. a lubrication mechanism; 61. a fixed block; 62. a first mounting groove; 63. a second mounting groove; 64. a third mounting groove; 65. a rubber ring; 66. a first compressed sponge ring; 67. a second compressed sponge ring; 7. a first fixed frame; 8. an auxiliary mechanism; 81. a stationary case; 82. a telescopic groove; 83. a limiting groove; 84. a slide bar; 85. a compression spring; 86. a limiting block; 87. a support ring; 9. a protection mechanism; 91. a square tube; 92. a chute; 93. a guard bar; 94. a slide plate; 10. a second fixed frame; 11. a through groove; 12. a baffle plate; 13. a third bolt; 14. a second mounting ring; 15. a second retaining ring; 16. and a fourth bolt.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the tunneling hydraulic cylinder according to the present invention comprises a hydraulic cylinder body 1, a piston rod of the hydraulic cylinder body 1 is located at one side of the hydraulic cylinder body 1, a mounting plate 2 is fixedly connected to a moving end of the piston rod, a connector 3 is installed on the mounting plate 2, a dust tube 4 is sleeved outside the piston rod of the hydraulic cylinder body 1, two ends of the dust tube 4 are both fixedly connected with a connecting ring 5, a second fixing ring 15 is sleeved and fixedly connected to an outer circumferential wall of the connecting ring 5, a fourth bolt 16 is screwed on the second fixing ring 15, one side of the dust tube 4 away from the mounting plate 2 is connected to a casing of the hydraulic cylinder body 1 through a lubricating mechanism 6, a first fixing frame 7 is sleeved and fixedly connected to an outer circumferential wall of the casing at one side of the hydraulic cylinder body 1, and a second mounting ring 14 is fixedly connected to the casing at the other side of, the cover is established and the fixed frame 10 of fixedly connected with second on the casing circumference outer wall of 1 opposite side of pneumatic cylinder main part, all through installing complementary unit 8 between the last lower extreme of the fixed frame 10 of second and first fixed frame 7 and the front and back outer wall, logical groove 11 has all been seted up on the last lower extreme of the fixed frame 10 of second and the front and back inner wall, leading to the inside one side of being close to first fixed frame 7 of groove 11 and all installing protection machanism 9, lead to the inside one side of keeping away from first fixed frame 7 of groove 11 and all can dismantle through third bolt 13 and be connected with baffle 12, fix baffle 12 in the inside that leads to groove 11 at the place through third bolt 13, conveniently support protection machanism 9 between first fixed frame 7 and the fixed frame 10 of second.
Specifically, dustproof pipe 4 is made by rubber, just dustproof pipe 4 be the fold form, make dustproof pipe 4 have certain ductility, make things convenient for dustproof pipe 4 to follow the motion of connector 3.
Specifically, the connector 3 comprises a clamping plate 31, the clamping plate 31 is clamped on the mounting plate 2, the middle part of one side of the clamping plate 31, which is far away from the hydraulic cylinder main body 1, is fixedly connected with a first mounting ring 32, the four corners of the middle part of one side of the clamping plate 31, which is far away from the hydraulic cylinder main body 1, are all in threaded connection with first bolts 33, the first bolts 33 all penetrate through the outer wall of the clamping plate 31 and are all in threaded connection with the mounting plate 2, a first fixing ring 34 is sleeved and fixedly connected on the outer wall of the circumference of the clamping plate 31, one side of the first fixing ring 34, which is far away from the hydraulic cylinder main body 1, is in threaded connection with a plurality of second bolts 35, the plurality of second bolts 35 are annularly distributed on the first fixing ring 34, the distances between two adjacent second bolts 35 are all the same, the clamping plate 31 is used for fixing the dustproof pipe 4, the dust-proof pipe 4 prevents dust from being applied to the piston rod of the cylinder body 1.
Specifically, the lubricating mechanism 6 comprises a fixing block 61, the fixing block 61 is fixedly connected to the housing of the hydraulic cylinder main body 1, the fixing block 61 is sleeved on the piston rod of the hydraulic cylinder main body 1, a first mounting groove 62 is formed in the middle of one side of the fixing block 61, which is close to the mounting plate 2, a rubber ring 65 is fixedly connected to the inside of the first mounting groove 62, the inner wall of the rubber ring 65 is in contact with the outer wall of the piston rod of the hydraulic cylinder main body 1, a second mounting groove 63 is formed in one side of the first mounting groove 62, which is far away from the mounting plate 2, a first compression sponge ring 66 is fixedly connected to the inside of the second mounting groove 63, the inner wall of the first compression sponge ring 66 is in contact with the outer wall of the piston rod of the hydraulic cylinder main body 1, and a third mounting groove 64 is formed, the diameter of third mounting groove 64 is big and inside fixedly connected with second compression sponge circle 67 than the diameter of second mounting groove 63, the inner wall of second compression sponge circle 67 and the piston rod outer wall of pneumatic cylinder main part 1 contact, the inside of second compression sponge circle 67 and first compression sponge circle 66 all is filled with lubricating oil, utilizes first compression sponge circle 66 and second compression sponge circle 67 to paint lubricating oil on the piston rod of pneumatic cylinder main part 1, makes things convenient for the piston rod of pneumatic cylinder main part 1 to be concertina movement, utilizes rubber ring 65 to scrape unnecessary lubricating oil on the piston rod of pneumatic cylinder main part 1 simultaneously, reduces the loss of lubricating oil.
Specifically, the solid fixed ring 15 of casing one side second that pneumatic cylinder main part 1 was kept away from to dustproof pipe 4 can dismantle through fourth bolt 16 and connect on the cardboard 31 of connector 3, the solid fixed ring 15 of one side second that mounting panel 2 was kept away from to dustproof pipe 4 can dismantle through fourth bolt 16 and connect on lubricating mechanism 6's fixed block 61, is convenient for fix dustproof pipe 4 outside the piston rod of pneumatic cylinder main part 1, makes the piston rod of pneumatic cylinder main part 1 isolated with the air all the time.
Concretely, complementary unit 8 all includes set casing 81, the equal fixed connection of set casing 81 is on the peripheral outer wall of the fixed frame 10 of first fixed frame 7 and second, flexible groove 82 has all been seted up to the inside of set casing 81, two relative spacing grooves 83 have all been seted up to the inside one side that is close to first fixed frame 7 of flexible groove 82, the equal sliding connection in inside of spacing groove 83 has stopper 86, and is same equal fixedly connected with slide bar 84 between two stopper 86 of set casing 81 inside, the equal sliding connection of slide bar 84 is inside the flexible groove 82 of seting up in place set casing 81, the equal fixedly connected with compression spring 85 of one end of first fixed frame 7 is kept away from to slide bar 84, one side that first fixed frame 7 was kept away from to compression spring 85 all keeps away from to one side inner wall fixed connection of first fixed frame 7 with flexible groove 82 in place, slide bar 84 keeps away from the one end of the fixed frame 10 of second and all passes flexible groove 82 in place and all extends to the fixed casing 81 of Outside, the common fixedly connected with support ring 87 of one end that the frame 10 was fixed to the second is kept away from to slide bar 84, support ring 87 cover establish dustproof pipe 4 outside and with dustproof pipe 4 be located same central line, support protection machanism 9 through support ring 87, utilize slide bar 84 to block the piston rod of pneumatic cylinder main part 1 simultaneously, protect the piston rod of pneumatic cylinder main part 1.
Specifically, the number of the protection mechanisms 9 is the same as the number of the second bolts 35 of the connector 3, and the protection mechanisms 9 are in one-to-one correspondence, each protection mechanism 9 comprises a square tube 91, one end of each square tube 91, which is far away from the first fixing frame 7, is respectively connected inside the corresponding through groove 11 and is respectively abutted against the baffle 12 installed inside the corresponding through groove 11, one end of each square tube 91, which is far away from the second fixing frame 10, is respectively connected inside the first fixing frame 7 in a clamping manner, each square tube 91 is provided with a sliding groove 92, each sliding groove 92 is connected inside each sliding groove 92 in a sliding manner, each sliding plate 94 is fixedly connected to a protection rod 93 in the middle of one side of each sliding plate 94, which is far away from the second fixing frame 10, one end of each protection rod 93, which is far away from the second fixing frame 10, sequentially penetrates through the inside the corresponding sliding groove 92 and is supported by the support, through surrounding the protection rod 93 around the piston rod outside of pneumatic cylinder main part 1, cushion the outside impact force, avoid the impact force to act on the piston rod of pneumatic cylinder main part 1, damage the piston rod of pneumatic cylinder main part 1.
When the hydraulic cylinder is used, a power supply is connected on equipment, when the hydraulic cylinder works, the piston rod of the hydraulic cylinder main body 1 can drive the clamping plate 31 to move towards the direction far away from the shell of the hydraulic cylinder main body 1, meanwhile, the clamping plate 31 can stretch the dustproof pipe 4, the dustproof pipe 4 seals the piston rod of the hydraulic cylinder main body 1, foreign matters such as dust in the air are prevented from being adhered to the piston rod of the hydraulic cylinder main body 1, meanwhile, the clamping plate 31 can pull the sliding rod 84 out of the telescopic groove 82 in which the sliding rod 84 is arranged, and the protection rod 93 is pulled out of the sliding groove 92 in which the protection rod 93 is arranged, so that the sliding rod 84 and the protection rod 93 always surround the periphery of the piston rod of the hydraulic cylinder main body 1, when the hydraulic cylinder is impacted by external impact, the acting force impacting the hydraulic cylinder main body 1 can act on the fixed shell 81 and the square pipe 91, the shell of the hydraulic cylinder main body 1 is, the acting force of the sliding rod 84 and the protective rod 93 can be buffered, the acting force is prevented from being directly acted on the piston rod of the hydraulic cylinder main body 1, the piston rod of the hydraulic cylinder main body 1 is deformed and cannot normally stretch, the inner walls of the first compression sponge ring 66 and the second compression sponge ring 67 can slide on the outer wall of the piston rod of the hydraulic cylinder main body 1 in the stretching process of the piston rod of the hydraulic cylinder main body 1, the first compression sponge ring 66 and the second compression sponge ring 67 can smear absorbed lubricating oil on the piston rod of the hydraulic cylinder main body 1, the friction force generated when the piston rod of the hydraulic cylinder main body 1 moves is reduced, the outer wall of the piston rod of the hydraulic cylinder main body 1 is prevented from being abraded by the friction force, meanwhile, the rubber ring 65 can scrape the lubricating oil smeared on the surface of the piston rod of the hydraulic cylinder main body 1, and the scraped lubricating oil can be absorbed by the first compression sponge, the loss of the lubricating oil can be reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The tunneling hydraulic cylinder comprises a hydraulic cylinder body (1) and is characterized in that a piston rod of the hydraulic cylinder body (1) is located on one side of the hydraulic cylinder body (1) and is fixedly connected with a mounting plate (2) at a movement end of the piston rod, a connector (3) is mounted on the mounting plate (2), a dustproof pipe (4) is sleeved outside the piston rod of the hydraulic cylinder body (1), connecting rings (5) are fixedly connected with two ends of the dustproof pipe (4), second fixing rings (15) are sleeved and fixedly connected with the outer circumferential wall of the connecting rings (5), fourth bolts (16) are screwed on the second fixing rings (15), one side, far away from the mounting plate (2), of the dustproof pipe (4) is connected onto a shell of the hydraulic cylinder body (1) through a lubricating mechanism (6), a first fixing frame (7) is sleeved and fixedly connected with the outer circumferential wall of the shell on one side of the hydraulic cylinder body (1), fixedly connected with second collar (14) on the casing of pneumatic cylinder main part (1) opposite side, the cover is established and the fixed frame (10) of fixedly connected with second on the casing circumference outer wall of pneumatic cylinder main part (1) opposite side, all through installing complementary unit (8) between the last lower extreme of the fixed frame of second (10) and first fixed frame (7) and the front and back outer wall, logical groove (11) have all been seted up on the upper and lower end of the fixed frame of second (10) and the front and back inner wall, protection machanism (9) are all installed to the inside one side of being close to first fixed frame (7) that leads to groove (11), it all can dismantle through third bolt (13) and be connected with baffle (12) to lead to the inside one side of keeping away from first fixed frame (7) of groove (.
2. A heading hydraulic cylinder as claimed in claim 1 wherein: the connector (3) comprises a clamping plate (31), the clamping plate (31) is clamped on the mounting plate (2), the middle part of one side of the clamping plate (31) far away from the hydraulic cylinder main body (1) is fixedly connected with a first mounting ring (32), four corners of the middle part of one side of the clamping plate (31) far away from the hydraulic cylinder main body (1) are respectively in threaded connection with a first bolt (33), the first bolts (33) penetrate through the outer wall of the clamping plate (31) and are connected to the mounting plate (2) in a threaded manner, a first fixing ring (34) is sleeved and fixedly connected on the circumferential outer wall of the clamping plate (31), one side threaded connection that pneumatic cylinder main part (1) was kept away from in first solid fixed ring (34) has a plurality of second bolts (35), and is a plurality of second bolt (35) ring distribution is on first solid fixed ring (34) and the distance between two adjacent second bolts (35) is the same.
3. A heading hydraulic cylinder as claimed in claim 1 wherein: the lubricating mechanism (6) comprises a fixing block (61), the fixing block (61) is fixedly connected to a shell of the hydraulic cylinder main body (1), the fixing block (61) is sleeved on a piston rod of the hydraulic cylinder main body (1), a first mounting groove (62) is formed in the middle of one side, close to the mounting plate (2), of the fixing block (61), a rubber ring (65) is fixedly connected to the inside of the first mounting groove (62), the inner wall of the rubber ring (65) is in contact with the outer wall of the piston rod of the hydraulic cylinder main body (1), a second mounting groove (63) is formed in one side, far away from the mounting plate (2), of the first mounting groove (62), the diameter of the second mounting groove (63) is larger than that of the first mounting groove (62), a first compression sponge ring (66) is fixedly connected to the inside, the inner wall of the first compression sponge ring (66) is in contact with the outer, third mounting groove (64) have been seted up to one side that mounting panel (2) were kept away from in second mounting groove (63), the diameter ratio of third mounting groove (64) is big and inside fixedly connected with second compression sponge circle (67) than the diameter of second mounting groove (63), the inner wall of second compression sponge circle (67) and the piston rod outer wall of pneumatic cylinder main part (1) contact, lubricating oil has all been filled to the inside of second compression sponge circle (67) and first compression sponge circle (66).
4. A heading hydraulic cylinder as claimed in claim 1 wherein: the auxiliary mechanisms (8) respectively comprise a fixed shell (81), the fixed shells (81) are fixedly connected to the peripheral outer walls of the first fixed frame (7) and the second fixed frame (10), telescopic grooves (82) are formed in the fixed shells (81), two opposite limiting grooves (83) are formed in one sides, close to the first fixed frame (7), of the telescopic grooves (82), limiting blocks (86) are connected to the insides of the limiting grooves (83) in a sliding mode, sliding rods (84) are fixedly connected between the two limiting blocks (86) in the same fixed shell (81), the sliding rods (84) are connected to the insides of the telescopic grooves (82) formed in the fixed shells (81) in a sliding mode, one ends, far away from the second fixed frame (10), of the sliding rods (84) penetrate through the telescopic grooves (82) and extend to the outsides of the fixed shells (81), the common fixedly connected with support ring (87) of one end of the fixed frame (10) of second is kept away from in slide bar (84), support ring (87) cover is established in the outside of dustproof pipe (4) and is located same central line with dustproof pipe (4).
5. A heading hydraulic cylinder as claimed in claim 4, wherein: the sliding rod (84) is far away from the equal fixedly connected with compression spring (85) at one end of the first fixing frame (7), one side of the compression spring (85), far away from the first fixing frame (7), is fixedly connected with the inner wall of one side, far away from the first fixing frame (7), of the telescopic groove (82) where the compression spring (85) is located.
6. A heading hydraulic cylinder as claimed in claim 1 wherein: the quantity of protection machanism (9) and second bolt (35) the same and the one-to-one of connector (3) quantity, protection machanism (9) all include square pipe (91), the equal joint of one end of first fixed frame (7) is kept away from in square pipe (91) is led to the inside of groove (11) and all offsets with baffle (12) of leading to groove (11) internally mounted in place, the equal joint of one end of the fixed frame (10) of second is kept away from in the inside of first fixed frame (7) in square pipe (91), spout (92) have all been seted up to the inside of square pipe (91), the equal sliding connection in inside of spout (92) has slide (94), the equal fixedly connected with protective bar (93) in one side middle part of the fixed frame (10) of second is kept away from in slide (94), the one end that protective bar (93) was kept away from the fixed frame (10) of second all passes support ring (87) of the inside of the spout (92) and complementary unit connector (8) in place in proper order and all block ) The first fixing ring (34) is arranged on the first fixing ring, and one end, far away from the second fixing frame (10), of the protection rod (93) is in threaded connection with the second bolt (35) of the connector (3).
7. A heading hydraulic cylinder as claimed in claim 1 wherein: the dustproof pipe (4) is made of rubber, and the dustproof pipe (4) is in a corrugated shape.
8. A heading hydraulic cylinder as claimed in claim 1 wherein: the utility model discloses a lubricating mechanism, including pneumatic cylinder main part (1), cardboard (31) of connector (3), the solid fixed ring of casing one side second (15) of pneumatic cylinder main part (1) is kept away from in dustproof pipe (4) can be dismantled through fourth bolt (16) and connect on cardboard (31), the solid fixed ring of one side second (15) of mounting panel (2) is kept away from in dustproof pipe (4) can be dismantled through fourth bolt (16) and connect on fixed block (61) of lubricating mechanism (6).
CN202011025411.8A 2020-09-25 2020-09-25 Tunneling hydraulic cylinder Pending CN112178005A (en)

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CN116696890A (en) * 2023-08-08 2023-09-05 浙江美科斯进出口有限公司 Steering cylinder of four-way forklift
CN117027102A (en) * 2023-09-04 2023-11-10 苏州朗信智能科技有限公司 Multifunctional robot and hydraulic large arm mechanism thereof

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CN117027102B (en) * 2023-09-04 2024-01-16 苏州朗信智能科技有限公司 Multifunctional robot and hydraulic large arm mechanism thereof

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