CN212536314U - Ultrahigh pressure engineering hydraulic oil cylinder - Google Patents

Abstract

The utility model discloses an ultrahigh pressure engineering hydraulic cylinder, including oil inlet, piston, cylinder body and oil return opening, one side fixed mounting of cylinder body has the installation head, and the outside cover of installation head is equipped with the cylinder cap, one side that the cylinder cap is close to the installation head is provided with the mounting groove, and the mounting groove is connected with the installation head, the second clamp is installed on the top that the cylinder body is close to cylinder cap one side, and the bottom of the cylinder body of second clamp below installs first clamp. The utility model discloses an explosion-proof mechanism, first explosion-proof hoop, fixture block, draw-in groove, the explosion-proof hoop of second and first clamp are installed for be convenient for through being connected of fixture block and draw away from with the draw-in groove, dismantle and install first explosion-proof hoop and the explosion-proof hoop of second, and through installing screw rod and first screw, thereby strengthen the fixed to explosion-proof hoop, cause explosion-proof hoop to collapse out when being favorable to preventing to explode, improve the security of during operation.

Description

Ultrahigh pressure engineering hydraulic oil cylinder

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a super high pressure engineering hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When the reciprocating motion is realized by using the reciprocating motion device, a speed reducing device can be omitted, no transmission gap exists, and the reciprocating motion is stable, so that the reciprocating motion device is widely applied to hydraulic systems of various machines;

when some hydraulic cylinders work in ultrahigh pressure, because the outside of the cylinder body is not provided with a protective structure, when some unexpected dangers occur, the maintenance of the cylinder body and the safety of workers are not ideal enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrahigh pressure engineering hydraulic cylinder to propose the cylinder body and appear unexpected dangerous problem in the ultrahigh pressure during operation that does not have the protection in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultrahigh pressure engineering hydraulic cylinder, includes oil inlet, piston, cylinder body and oil return opening, one side fixed mounting of cylinder body has the installation head, and the outside cover of installation head is equipped with the cylinder cap, one side that the cylinder cap is close to the installation head is provided with the mounting groove, and the mounting groove is connected with the installation head, the cylinder body is close to the top of cylinder cap one side and installs the second clamp, and the bottom of the cylinder body of second clamp below installs first clamp, the both ends of first clamp and second clamp both sides all are provided with the second screw, and all connect through fixing bolt between the second screw, one side that the cylinder body top is far away from the cylinder cap is provided with the oil inlet, one side that the cylinder body top is close to the cylinder cap is provided with the oil return opening, and the outside of the cylinder body between oil return opening and the oil pocket evenly is provided with spacing recess, The anti-skid device comprises a clamping block, a clamping groove, a second anti-explosion hoop, a first screw hole, a screw rod, a first anti-skid block and a second anti-skid block, wherein the first anti-explosion hoop is installed on one side of a limiting groove, the clamping groove is formed in each of two ends of the first anti-explosion hoop, the second anti-explosion hoop is installed on each limiting groove on one side of the first anti-explosion hoop, the clamping block is fixedly installed at each end of the second anti-explosion hoop, the first screw hole is formed in each of the two ends of the first anti-explosion hoop and the middle position of the inside of the clamping block, the screw rod is movably installed in each first screw hole, the first anti-skid block is uniformly installed on the inner side of the first anti-explosion hoop, the second anti-skid block is uniformly installed on the outer side of the limiting groove, the first anti-skid block is connected with the second anti-skid block in a meshed mode, a buffer mechanism is uniformly installed on one side, far, and the outside of piston is evenly overlapped and is equipped with first sealing washer, one side fixed mounting that the piston is close to the cylinder cap has the piston rod, and the cylinder cap transversely runs through to the one end that the piston was kept away from to the piston rod.

Preferably, buffer gear includes first buffer spring, buffer beam, second buffer spring, buffering loop bar and blotter, the inside one side of keeping away from the cylinder cap of oil pocket evenly installs the buffering loop bar, and the inside one end of buffering loop bar all installs first buffer spring, the buffer beam is all installed in first buffer spring's the outside, and the buffer beam all transversely runs through the buffering loop bar, the blotter is all installed to the one end that first buffer spring was kept away from to the buffer beam, the outside of buffer beam all is equipped with second buffer spring, and second buffer spring's one end all with the outer end fixed connection of buffering loop bar, the other end of second buffer spring all with blotter fixed connection.

Preferably, the outer diameter of the buffer rod is equal to the inner diameter of the second buffer spring, the outer diameter of the first buffer spring is equal to the inner diameter of the buffer sleeve rod, and the first buffer spring, the buffer rod, the second buffer spring and the buffer sleeve rod form a telescopic structure.

Preferably, the second clamp has a fixed block with the equal fixed mounting in both sides of first clamp inner wall, and the both ends that the cylinder body is close to installation head one side all are provided with the fixed slot with the both ends of cylinder cap, and the fixed slot all is connected with the fixed block.

Preferably, all evenly be provided with anti-skidding line on the inside wall of fixed slot, and fixed slot and fixed block all set up about the axis symmetry of first clamp or second clamp.

Preferably, the outer side of the mounting head is uniformly provided with an annular groove, and the outer side of the annular groove is sleeved with a second sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that: the ultrahigh pressure engineering hydraulic oil cylinder not only realizes the explosion-proof function and the buffering function, but also realizes the sealing strengthening function;

(1) the anti-explosion mechanism, the first anti-explosion hoop, the clamping block, the clamping groove, the second anti-explosion hoop and the first hoop are arranged, so that the first anti-explosion hoop and the second anti-explosion hoop are convenient to disassemble and assemble through connection and extraction of the clamping block and the clamping groove, and the screw rod and the first screw hole are arranged, so that the fixation of the anti-explosion hoops is enhanced, the anti-explosion hoops are prevented from being broken when explosion occurs, and the safety during working is improved;

(2) by installing the buffer mechanism, the first buffer spring, the buffer rod, the second buffer spring, the buffer loop rod and the buffer pad, when the buffer mechanism receives impact force from the piston, the buffer rod moves in the buffer loop rod and the first buffer spring and the second buffer spring stretch out and draw back, so that the impact force received by the cylinder body is reduced, the stability of the oil cylinder during working is favorably kept, and the working efficiency is improved;

(3) through installing sealing washer and ring channel, make the cover that the sealing washer can be more firm establish on the installation head, thereby sealed effect between cylinder cap and the cylinder body has been strengthened, and through installing first clamp, the fixed block, the fixed slot, the second clamp, fixing bolt and screw, make the effect of being convenient for pass through fixed block and fixed slot and fixing bolt, thereby fix the kneck at cylinder cap and cylinder body with first clamp and the inseparable second clamp, be favorable to further improvement cylinder body and the fixed effect of cylinder cap, improve the leakproofness of hydraulic cylinder during operation.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic side view of the explosion-proof mechanism according to the present invention;

fig. 4 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1. an oil chamber; 2. an oil inlet; 3. a buffer mechanism; 301. a first buffer spring; 302. a buffer rod; 303. a second buffer spring; 304. a buffer loop bar; 305. a cushion pad; 4. a piston; 5. a first seal ring; 6. a cylinder body; 7. an explosion-proof mechanism; 701. a first explosion-proof band; 702. a clamping block; 703. a card slot; 704. a second explosion-proof collar; 705. a first screw hole; 706. a screw; 707. a first anti-skid block; 708. a second anti-skid block; 8. a first clamp; 9. a fixed block; 10. fixing grooves; 11. a cylinder cover; 12. a mounting head; 13. a piston rod; 14. a second seal ring; 15. mounting grooves; 16. an annular groove; 17. a second clamp; 18. an oil return port; 19. a limiting groove; 20. fixing the bolt; 21. and a second screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an ultrahigh pressure engineering hydraulic oil cylinder comprises an oil inlet 2, a piston 4, a cylinder body 6 and an oil return port 18, wherein an installation head 12 is fixedly installed on one side of the cylinder body 6;

annular grooves 16 are uniformly formed in the outer side of the mounting head 12, and second sealing rings 14 are sleeved on the outer sides of the annular grooves 16;

specifically, as shown in fig. 1, when in use, the annular groove 16 is provided, which is beneficial to more stably sleeve the second sealing ring 14 on the outer side of the mounting head 12, so as to improve the sealing performance between the mounting groove 15 and the mounting head 12, thereby enhancing the sealing effect between the cylinder body 6 and the cylinder cover 11;

a cylinder cover 11 is sleeved on the outer side of the mounting head 12, a mounting groove 15 is formed in one side, close to the mounting head 12, of the cylinder cover 11, the mounting groove 15 is connected with the mounting head 12, and a second clamp 17 is mounted at the top end, close to the cylinder cover 11, of the cylinder body 6;

fixing blocks 9 are fixedly arranged on two sides of the inner wall of the second clamp 17 and the inner wall of the first clamp 8, fixing grooves 10 are formed in two ends of one side, close to the mounting head 12, of the cylinder body 6 and two ends of the cylinder cover 11, and the fixing grooves 10 are connected with the fixing blocks 9;

specifically, as shown in fig. 1, 2 and 3, when in use, the fixing block 9 is connected with the fixing groove 10, so that the first clamp 8 and the second clamp 17 are fixed at the interface between the cylinder cover 11 and the cylinder body 6, thereby increasing the fixing effect at the interface and improving the working stability of the hydraulic cylinder;

the inner side walls of the fixing grooves 10 are uniformly provided with anti-skid lines, and the fixing grooves 10 and the fixing blocks 9 are symmetrically arranged about the central axis of the first clamp 8 or the second clamp 17;

specifically, as shown in fig. 1 and 3, when the fixing device is used, the friction force in contact with the fixing block 9 is increased by the anti-slip lines arranged on the fixing groove 10, so that the fixing effect is improved, and the fixing groove 10 and the fixing block 9 are symmetrically arranged about the central axis of the first clamp 8 or the second clamp 17, so that the fixing of the cylinder body 6 and the cylinder cover 11 is enhanced, and the sealing performance of the hydraulic cylinder during working is ensured;

and the bottom end of the cylinder body 6 below the second hoop 17 is provided with a first hoop 8, both ends of both sides of the first hoop 8 and the second hoop 17 are provided with second screw holes 21, and the second screw holes 21 are connected through a fixing bolt 20, one side of the top end of the cylinder body 6 far away from the cylinder cover 11 is provided with an oil inlet 2, one side of the top end of the cylinder body 6 near the cylinder cover 11 is provided with an oil return port 18, the outer side of the cylinder body 6 between the oil return port 18 and the oil chamber 1 is uniformly provided with a limiting groove 19, the limiting groove 19 is provided with an explosion-proof mechanism 7, the explosion-proof mechanism 7 comprises a first explosion-proof hoop 701, a clamping block 702, a clamping groove 703, a second explosion-proof hoop 704, a first screw 705, a screw 706, a first anti-skid block 707 and a second anti-skid block 708, one side of the limiting groove 19 is provided with a first explosion-proof hoop 701, both ends of the first explosion-proof hoop are provided with clamping grooves 703, the second explosion, a clamping block 702 is fixedly mounted at each end of the second explosion-proof hoop 704, a first screw hole 705 is formed in each end of the first explosion-proof hoop 701 and the middle position of the inside of the clamping block 702, a screw 706 is movably mounted in each first screw hole 705, first anti-skid blocks 707 are uniformly mounted on the inner side of the first explosion-proof hoop 701, second anti-skid blocks 708 are uniformly mounted on the outer side of the limiting groove 19, the first anti-skid blocks 707 are connected with the second anti-skid blocks 708 in a meshed mode, an oil cavity 1 is formed in the cylinder body 6, and a buffer mechanism 3 is uniformly arranged on one side, far away from the cylinder cover 11, of the inside of the oil cavity 1;

the buffer mechanism 3 comprises a first buffer spring 301, a buffer rod 302, a second buffer spring 303, a buffer loop rod 304 and a buffer pad 305, the buffer loop rod 304 is uniformly installed on one side, far away from the cylinder cover 11, inside the oil cavity 1, the first buffer spring 301 is installed at one end of the inside of the buffer loop rod 304, the buffer rod 302 is installed on the outer side of the first buffer spring 301, the buffer rod 302 transversely penetrates through the buffer loop rod 304, the buffer pad 305 is installed at one end, far away from the first buffer spring 301, of the buffer rod 302, the second buffer spring 303 is sleeved on the outer side of the buffer rod 302, one end of the second buffer spring 303 is fixedly connected with the outer end of the buffer loop rod 304, and the other end of the second buffer spring 303 is fixedly connected with the buffer pad 305;

specifically, as shown in fig. 1, when the hydraulic cylinder is used, when the buffer mechanism 3 receives an impact force from the piston 4, the buffer rod 302 moves in the buffer sleeve rod 304, and simultaneously drives the first buffer spring 301 and the second buffer spring 303 to extend and retract, so as to reduce the impact force received by the cylinder body 6, so as to ensure the stability of the hydraulic cylinder in operation;

the outer diameter of the buffer rod 302 is equal to the inner diameter of the second buffer spring 303, the outer diameter of the first buffer spring 301 is equal to the inner diameter of the buffer sleeve rod 304, and the first buffer spring 301, the buffer rod 302, the second buffer spring 303 and the buffer sleeve rod 304 form a telescopic structure;

specifically, as shown in fig. 1, when in use, the stability of the second buffer spring 303 during expansion and contraction is ensured by the action of the buffer rod 302, and meanwhile, the impact force on the cylinder body 6 is reduced by the movement of the buffer rod 302 in the buffer sleeve rod 304 and the actions of the first buffer spring 301 and the second buffer spring 303, so that the stability of the hydraulic cylinder during operation is improved;

a piston 4 is movably arranged in the oil cavity 1 on one side, close to the cylinder cover 11, of the buffer mechanism 3, a first sealing ring 5 is uniformly sleeved on the outer side of the piston 4, a piston rod 13 is fixedly arranged on one side, close to the cylinder cover 11, of the piston 4, and one end, far away from the piston 4, of the piston rod 13 transversely penetrates through the cylinder cover 11;

the working principle is as follows: when the utility model is used, firstly, the first explosion-proof hoop 701 and the second explosion-proof hoop 704 are fixed outside the cylinder body 6 through the fixture block 702 and the clamping groove 703, and the explosion-proof hoop is reinforced and fixed through the screw 706, so as to prevent the situation that the stress of the explosion-proof hoop is collapsed when an accident occurs under the condition of ultrahigh pressure, and simultaneously, the friction force between the explosion-proof hoop and the limiting groove 19 is increased through the meshing structure between the first anti-skid block 707 and the second anti-skid block 708, so as to improve the stability;

then, after the explosion-proof hoop is fixed, the hydraulic oil cylinder is moved to a mounting position, the cylinder body 6 is connected with the cylinder cover 11 through the mounting head 12 and the mounting groove 15, the first clamp 8 and the second clamp 17 are fixed at the interface of the cylinder cover 11 and the cylinder body 6 through the fixing block 9 and the fixing groove 10, the clamps are reinforced through the fixing bolt 20 and the second screw hole 21, the hydraulic oil cylinder is mounted, and meanwhile, the cylinder cover 11 can be conveniently detached through the separation of the first clamp 8 and the second clamp 17, so that the hydraulic oil cylinder is convenient to clean and maintain;

finally, after the installation is completed, the hydraulic oil cylinder starts to work, the piston rod 13 is pushed to move in one direction by feeding oil into the oil cavity 1 through the oil inlet 2, the piston rod 13 is pushed to move in the opposite direction by feeding oil into the oil return port 18, when the piston 4 moves under the pressure of the hydraulic cylinder, the buffer mechanism 3 can receive impact force from the piston 4, and the stability of the hydraulic oil cylinder during the work is kept by the movement of the buffer rod 302 in the buffer sleeve rod 304 and the expansion of the first buffer spring 301 and the second buffer spring 303.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (6)

1. The utility model provides an ultrahigh pressure engineering hydraulic cylinder, includes oil inlet (2), piston (4), cylinder body (6) and oil return opening (18), its characterized in that: one side of the cylinder body (6) is fixedly provided with an installing head (12), the outer side of the installing head (12) is sleeved with a cylinder cover (11), one side, close to the installing head (12), of the cylinder cover (11) is provided with a mounting groove (15), the mounting groove (15) is connected with the installing head (12), the top end, close to one side of the cylinder cover (11), of the cylinder body (6) is provided with a second clamp (17), the bottom end, below the second clamp (17), of the cylinder body (6) is provided with a first clamp (8), the two ends of the two sides of the first clamp (8) and the second clamp (17) are provided with second screw holes (21), the second screw holes (21) are connected through fixing bolts (20), one side, far away from the cylinder cover (11), of the top end of the cylinder body (6) is provided with an oil inlet (2), one side, close to the cylinder cover (11, and the outer side of the cylinder body (6) between the oil return port (18) and the oil chamber (1) is uniformly provided with a limiting groove (19), the limiting groove (19) is provided with an explosion-proof mechanism (7), the explosion-proof mechanism (7) comprises a first explosion-proof hoop (701), a clamping block (702), a clamping groove (703), a second explosion-proof hoop (704), a first screw hole (705), a screw (706), a first anti-skid block (707) and a second anti-skid block (708), one side of the limiting groove (19) is provided with the first explosion-proof hoop (701), the two ends of the first explosion-proof hoop (701) are provided with the clamping groove (703), the limiting groove (19) on one side of the first explosion-proof hoop (701) is provided with the second explosion-proof hoop (704), the two ends of the second explosion-proof hoop (704) are fixedly provided with the clamping block (702), the two ends of the first explosion-proof hoop (701) and the middle position inside of the clamping block (702) are provided with first screw holes (701), and the inner part of the first screw hole (705) is movably provided with a screw (706), the inner side of the first explosion-proof hoop (701) is uniformly provided with a first antiskid block (707), the outer side of the limiting groove (19) is uniformly provided with second anti-skid blocks (708), the first anti-skid blocks (707) are in meshed connection with the second anti-skid blocks (708), an oil cavity (1) is arranged in the cylinder body (6), and a buffer mechanism (3) is uniformly arranged on one side of the interior of the oil cavity (1) far away from the cylinder cover (11), a piston (4) is movably arranged in the oil cavity (1) at one side of the buffer mechanism (3) close to the cylinder cover (11), and the outer side of the piston (4) is uniformly sleeved with a first sealing ring (5), one side of the piston (4) close to the cylinder cover (11) is fixedly provided with a piston rod (13), and one end of the piston rod (13) far away from the piston (4) transversely penetrates through the cylinder cover (11).

2. The hydraulic oil cylinder for ultrahigh pressure engineering according to claim 1, which is characterized in that: the buffer mechanism (3) comprises a first buffer spring (301), a buffer rod (302), a second buffer spring (303), a buffer sleeve rod (304) and a buffer pad (305), a buffer sleeve rod (304) is uniformly arranged on one side of the interior of the oil cavity (1) far away from the cylinder cover (11), and one end of the interior of the buffer loop bar (304) is provided with a first buffer spring (301), the outer sides of the first buffer springs (301) are respectively provided with a buffer rod (302), the buffer rods (302) transversely penetrate through the buffer sleeve rods (304), one ends of the buffer rods (302) far away from the first buffer springs (301) are respectively provided with a buffer pad (305), the outer sides of the buffer rods (302) are sleeved with second buffer springs (303), and one end of the second buffer spring (303) is fixedly connected with the outer end of the buffer loop bar (304), and the other end of the second buffer spring (303) is fixedly connected with the buffer pad (305).

3. The hydraulic oil cylinder for ultrahigh pressure engineering according to claim 2, which is characterized in that: the outer diameter of the buffer rod (302) is equal to the inner diameter of the second buffer spring (303), the outer diameter of the first buffer spring (301) is equal to the inner diameter of the buffer sleeve rod (304), and the first buffer spring (301), the buffer rod (302), the second buffer spring (303) and the buffer sleeve rod (304) form a telescopic structure.

4. The hydraulic oil cylinder for ultrahigh pressure engineering according to claim 1, which is characterized in that: second clamp (17) and the equal fixed mounting in both sides of first clamp (8) inner wall have fixed block (9), and cylinder body (6) are close to the both ends of installing head (12) one side and the both ends of cylinder cap (11) and all are provided with fixed slot (10), and fixed slot (10) all are connected with fixed block (9).

5. The hydraulic oil cylinder for ultrahigh pressure engineering according to claim 4, which is characterized in that: all evenly be provided with anti-skidding line on the inside wall of fixed slot (10), and fixed slot (10) and fixed block (9) all set up about the axis symmetry of first clamp (8) or second clamp (17).

6. The hydraulic oil cylinder for ultrahigh pressure engineering according to claim 1, which is characterized in that: the outer side of the mounting head (12) is uniformly provided with an annular groove (16), and the outer side of the annular groove (16) is sleeved with a second sealing ring (14).

Images