CN216009105U - High-stability hydraulic driving device - Google Patents
High-stability hydraulic driving device Download PDFInfo
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- CN216009105U CN216009105U CN202122406698.5U CN202122406698U CN216009105U CN 216009105 U CN216009105 U CN 216009105U CN 202122406698 U CN202122406698 U CN 202122406698U CN 216009105 U CN216009105 U CN 216009105U
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Abstract
The utility model relates to a high-stability hydraulic driving device, which comprises a group of connecting seats, wherein a corresponding guide rod is fixedly connected between the middle parts of the connecting seats; the outer end parts of an upper oil cylinder left piston rod and an upper oil cylinder right piston rod of the upper oil cylinder are respectively fixed to the upper sides of the corresponding connecting seats; the outer end parts of a lower oil cylinder left piston rod and a lower oil cylinder right piston rod of the lower oil cylinder are respectively fixed on the lower sides of the corresponding connecting seats; and the movable seats are respectively and fixedly connected to the upper oil cylinder body of the upper oil cylinder and the lower oil cylinder body of the lower oil cylinder, and one ends of the movable seats, which are not fixedly connected to the upper oil cylinder body and the lower oil cylinder body, are respectively movably sleeved on the guide rods. The utility model discloses can effectively ensure on the basis that does not influence the drive effect the utility model discloses an overall structure's stability and operating stability.
Description
Technical Field
The utility model relates to a high stability type hydraulic drive device, its cylinder body that can effectively drive two hydro-cylinders realizes stabilizing the synchronization action to the synchronization action is stabilized to a set of sliding seat of drive.
Background
At present, the equipment that drive mechanical structure or other structures carried out in opposite directions or reverse motion is placed to common needs use two hydro-cylinder levels, and the one end that mostly is hydro-cylinder or hydro-cylinder jar pole is fixed on fixed frame, and the other end is fixed on the sliding seat, drives two sliding seats through hydro-cylinder drive after setting up a direction mode and carries out opposite directions or reverse motion on the direction mode. This kind of structure is higher to the requirement of direction mode, because one end is fixed, and one end is the activity, consequently, overall structure's stability and the stability of operation are all difficult to obtain effectively guaranteeing, easily lead to the free seat not according to the motion of original fixed line, cause the free seat card to die to lead to overall structure to damage.
Consequently, on the basis that does not influence the drive effect, design a section can effectively ensure overall structure's stability and operating stability to effectively ensure that the sliding seat can move according to original fixed route, in order to prevent dead high stability type hydraulic drive device of sliding seat card is the utility model discloses a research purpose.
Disclosure of Invention
To the technical problem that above-mentioned prior art exists, the utility model provides a high stability type hydraulic drive device, this high stability type hydraulic drive device can effectively solve the technical problem that above-mentioned prior art exists.
The technical scheme of the utility model is that:
a high-stability hydraulic drive device comprises
The middle parts of the connecting seats are fixedly connected with a corresponding guide rod;
the upper oil cylinder comprises an upper oil cylinder body, an upper oil cylinder left piston rod and an upper oil cylinder right piston rod which are assembled on two sides of the upper oil cylinder body, the outer end parts of the upper oil cylinder left piston rod and the upper oil cylinder right piston rod are respectively fixed to the upper sides of corresponding connecting seats, and the upper oil cylinder body is movably arranged between the upper sides of the connecting seats;
the lower oil cylinder comprises a lower oil cylinder body and a lower oil cylinder left piston rod and a lower oil cylinder right piston rod which are assembled on two sides of the lower oil cylinder body, the outer end parts of the lower oil cylinder left piston rod and the lower oil cylinder right piston rod are respectively fixedly arranged on the lower sides of the corresponding connecting seats, and the lower oil cylinder body is movably arranged between the lower sides of the connecting seats;
and the movable seats are respectively and fixedly connected to the upper oil cylinder body and the lower oil cylinder body, and one ends of the movable seats, which are not fixedly connected to the upper oil cylinder body and the lower oil cylinder body, are respectively movably sleeved on the guide rods.
Go up the hydro-cylinder body device and have last hydro-cylinder piston, through go up the hydro-cylinder piston will the cavity of going up the hydro-cylinder body divide into the left chamber of hydro-cylinder and goes up the right chamber of hydro-cylinder, the inner of going up hydro-cylinder left side piston rod and going up the right piston rod of hydro-cylinder is fixed respectively to the both ends of going up the hydro-cylinder piston are equipped with corresponding first oil guide hole on going up the left piston rod of hydro-cylinder and going up the right piston rod of hydro-cylinder respectively, the inner of first oil guide hole is equipped with respectively and communicates to go up the first oil guide branch hole in the left chamber of hydro-cylinder and the right chamber of hydro-cylinder.
A lower oil cylinder piston is arranged in the lower oil cylinder body, a cavity of the lower oil cylinder body is divided into a lower oil cylinder left cavity and a lower oil cylinder right cavity through the lower oil cylinder piston, inner ends of a lower oil cylinder left piston rod and a lower oil cylinder right piston rod are respectively fixed to two ends of the lower oil cylinder piston, corresponding second oil guide holes are respectively formed in the lower oil cylinder left piston rod and the lower oil cylinder right piston rod, and second oil guide oil dividing holes communicated to the lower oil cylinder left cavity and the lower oil cylinder right cavity are respectively formed in the inner ends of the second oil guide holes; and the second oil guide hole of the left piston rod of the lower oil cylinder is connected to the first oil guide hole of the left piston rod of the upper oil cylinder.
An upper check valve which can enable the first oil guide hole of the right piston rod of the upper oil cylinder to be communicated with the first oil guide hole of the left piston rod of the upper oil cylinder is arranged in the upper oil cylinder piston; and a lower one-way valve which can lead the second oil guide hole of the left piston rod of the lower oil cylinder to be communicated with the second oil guide hole of the right piston rod of the lower oil cylinder is arranged in the lower oil cylinder piston.
Go up the check valve contain set up in go up last oilhole on the last hydro-cylinder piston, go up the oilhole and divide into the enclosed section and go up the conduction section, go up the enclosed section and be connected to go up on the first oil guide hole of hydro-cylinder right piston rod, go up the conduction section and be connected to go up on the first oil guide hole of hydro-cylinder left piston rod, the aperture of going up the enclosed section is less than go up the aperture of conduction section, the tip of going up the conduction section is connected with corresponding last fixed stopper through the threaded connection mode, it is the clearance setting with the threaded connection department of last fixed stopper to go up the conduction section, makes go up the conduction section and go up the first oil guide hole of hydro-cylinder left piston rod and communicate each other, go up the rigid coupling on the fixed stopper and have a coil spring, it can be right to go up the one end rigid coupling of fixed stopper.
The lower check valve comprises a lower oil passing hole arranged on the lower oil cylinder piston, the lower oil passing hole is divided into a lower closed section and a lower conduction section, the lower closed section is connected to the second oil guiding hole of the lower oil cylinder left piston rod, the lower conduction section is connected to the second oil guiding hole of the lower oil cylinder right piston rod, the aperture of the lower closed section is smaller than that of the lower conduction section, the end part of the lower conduction section is connected with a corresponding lower fixing plug in a threaded connection mode, the threaded connection part of the lower conduction section and the lower fixing plug is in gap arrangement, the lower conduction section and the second oil guiding hole of the lower oil cylinder right piston rod are communicated with each other, a lower spiral spring is fixedly connected to the lower fixing plug, and one end of the lower spiral spring, which is not connected to the lower fixing plug, is fixedly connected with a lower sealing ball which can form a closed lower sealing ball.
The connecting base connected to the upper oil cylinder right piston rod and the lower oil cylinder right piston rod is provided with a group of external oil ports, the inner ends of the external oil ports are respectively connected to the first oil guide hole of the upper oil cylinder right piston rod and the second oil guide hole of the lower oil cylinder right piston rod, and the outer ends of the external oil ports are connected to an external oil pressure control system through corresponding oil receiving pipes.
And the connecting seats connected to the upper oil cylinder left piston rod and the lower oil cylinder left piston rod are provided with corresponding oil passage, and two ends of the oil passage are respectively connected to the first oil guide hole of the upper oil cylinder left piston rod and the second oil guide hole of the lower oil cylinder left piston rod.
The left end upper side rigid coupling that goes up the hydro-cylinder body has last installation otic placode, the right-hand member downside rigid coupling of lower hydro-cylinder body has down installation otic placode, a set of sliding seat respectively the rigid coupling in go up installation otic placode and on the installation otic placode down.
The utility model has the advantages that:
1) the utility model is provided with a group of connecting seats, and a guide rod is fixedly connected between the middle parts of the connecting seats; respectively fixing the outer end parts of an upper oil cylinder left piston rod and an upper oil cylinder right piston rod of the upper oil cylinder to the upper sides of the corresponding connecting seats, so that the upper oil cylinder body can be movably arranged between the upper sides of the connecting seats; meanwhile, the outer end parts of a lower oil cylinder left piston rod and a lower oil cylinder right piston rod of the lower oil cylinder are respectively fixedly arranged on the lower sides of the corresponding connecting seats, so that a lower oil cylinder body can be movably arranged between the lower sides of the connecting seats; and finally, fixedly connecting a group of movable seats to the upper oil cylinder body and the lower oil cylinder body respectively, and movably sleeving one ends of the movable seats, which are not fixedly connected to the upper oil cylinder body and the lower oil cylinder body, on the guide rods respectively.
Through the guide bar, go up the hydro-cylinder and cooperate with a set of connecting seat down the hydro-cylinder, effectively form three violently two vertical high stability type frame construction, the removal of hydro-cylinder body and lower hydro-cylinder body is removed with the corresponding sliding seat of drive in the rethread, and the sliding seat that removes the in-process can effectively ensure its stability of operation in-process under the spacing guide effect of guide bar to can be on the basis that does not influence the drive effect, effectively ensure the utility model discloses an overall structure's stability and operating stability, thereby effectively ensure the sliding seat and can move according to former fixed route, in order to prevent that the dead condition of card from appearing in the sliding seat.
2) The utility model discloses go up hydro-cylinder and lower hydro-cylinder for current synchronous hydro-cylinder, need not additionally to dispose parts such as displacement sensor, alright carry out accurate synchronous drive to going up hydro-cylinder body and lower hydro-cylinder body to can drive corresponding sliding seat through going up hydro-cylinder body and lower hydro-cylinder body, not only overall structure is simple and easy, and can effectively ensure the drive synchronism of going up hydro-cylinder body and lower hydro-cylinder body.
3) The utility model discloses a pipeline, first oil guide hole, first oil guide branch hole, second oil guide hole and second oil guide branch hole place in respectively in last hydro-cylinder left piston rod, last hydro-cylinder right piston rod, lower hydro-cylinder left piston rod and the lower hydro-cylinder right piston rod promptly to effectively will be originally external pipeline built-in, thereby effectively solve the difficult technical problem of pipeline arrangement.
4) The utility model discloses a go up the setting of check valve and lower check valve, make the utility model discloses when the first time drops into use, can carry out oiling and exhaust operation smoothly to effectively ensure the utility model discloses a practical function.
5) Because the threaded connection department of last conduction section and last fixed stopper and the threaded connection department of conduction section and lower fixed stopper all are the clearance setting down, it not only can make on the first oil guide hole of conduction section and last hydro-cylinder left piston rod and the second oil guide hole of conduction section and lower hydro-cylinder right piston rod down form mutual intercommunication, and can form the damping hole, in the use, leak or when fluid is too much in the fluid appears in the upper oil cylinder left chamber, lower hydro-cylinder left chamber, can in time carry out automatic oil supplementation and draining, thereby effectively promote by a wide margin the utility model discloses a practical effect.
6) The utility model discloses a setting of a set of connecting seat can reach effectively to last hydro-cylinder and lower hydro-cylinder form more stable installation, and can further will link up the pipeline, external hydraulic fluid port and oil way passageway setting are in the connecting seat promptly to further will originally external pipeline built-in, with further effectively solving the difficult technical problem of pipeline arrangement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of a guide rod, an upper oil cylinder and a lower oil cylinder connected between connecting seats.
Fig. 5 is a schematic structural view of an upper check valve arranged in the upper cylinder piston.
Fig. 6 is a schematic structural view of a lower check valve arranged in a lower oil cylinder piston.
Fig. 7 is a sectional view a-a in fig. 4.
Fig. 8 is a sectional view taken along line B-B in fig. 4.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:
referring to fig. 1-8, a high stability hydraulic drive apparatus includes
A high-stability hydraulic drive device comprises
The device comprises a group of connecting seats 1, wherein a corresponding guide rod 2 is fixedly connected between the middle parts of the connecting seats 1;
the upper oil cylinder 3 comprises an upper oil cylinder body 301, an upper oil cylinder left piston rod 302 and an upper oil cylinder right piston rod 303 which are assembled on two sides of the upper oil cylinder body 301, the outer end parts of the upper oil cylinder left piston rod 302 and the upper oil cylinder right piston rod 303 are respectively fixedly arranged on the upper sides of the corresponding connecting seats 1, and the upper oil cylinder body 301 is movably arranged between the upper sides of the connecting seats 1;
the lower oil cylinder 4 comprises a lower oil cylinder body 401, and a lower oil cylinder left piston rod 402 and a lower oil cylinder right piston rod 403 which are assembled on two sides of the lower oil cylinder body 401, the outer end parts of the lower oil cylinder left piston rod 402 and the lower oil cylinder right piston rod 403 are respectively fixed on the lower sides of the corresponding connecting seats 1, and the lower oil cylinder body 401 is movably arranged between the lower sides of the connecting seats 1;
a set of movable seat 5, respectively the rigid coupling in go up on hydro-cylinder body 301 and the lower hydro-cylinder body 401, movable seat 5 not the rigid coupling in last hydro-cylinder body 301 and the one end of lower hydro-cylinder body 401 movable sleeve respectively locate on the guide bar 2.
Through guide bar 2, go up hydro-cylinder 3 and lower hydro-cylinder 4 and the cooperation of a set of connecting seat 1, effectively form three horizontal two vertical high stability type frame construction, the removal of hydro-cylinder body 301 and lower hydro-cylinder body 401 is removed with the corresponding sliding seat 5 of drive in the rethread, the sliding seat 5 of removal in-process is under the spacing guide effect of guide bar 2, can effectively ensure its stability of operation in-process, thereby can be on the basis that does not influence the drive effect, effectively ensure the utility model discloses an overall structure's stability, and operating stability, thereby effectively ensure that sliding seat 5 can move according to former fixed route, in order to prevent that the dead condition of card from appearing in sliding seat 5.
Go up the interior device of hydro-cylinder body 301 and be equipped with upper cylinder piston 6, through upper cylinder piston 6 will the cavity of upper cylinder body 301 divide into upper cylinder left side chamber 3011 and upper cylinder right side chamber 3012, the inner of upper cylinder left piston rod 302 and upper cylinder right piston rod 302 is fixed respectively to the both ends of upper cylinder piston 6 are equipped with corresponding first oil guide hole 7 on upper cylinder left piston rod 302 and the upper cylinder right piston rod 303 respectively, the inner of first oil guide hole 7 is equipped with respectively and communicates to upper cylinder left side chamber 3011 and upper cylinder right side chamber 3012's first oil guide branch hole 8.
A lower cylinder piston 9 is arranged in the lower cylinder body 401, the cavity of the lower cylinder body 401 is divided into a lower cylinder left cavity 4011 and a lower cylinder right cavity 4012 by the lower cylinder piston 9, the inner ends of a lower cylinder left piston rod 402 and a lower cylinder right piston rod 403 are respectively fixed at two ends of the lower cylinder piston 9, corresponding second oil guide holes 10 are respectively arranged on the lower cylinder left piston rod 402 and the lower cylinder right piston rod 403, and the inner ends of the second oil guide holes 10 are respectively provided with second oil guide holes 11 communicated with the lower cylinder left cavity 4011 and the lower cylinder right cavity 4012; the second oil guide hole 10 of the lower cylinder left piston rod 402 is connected to the first oil guide hole 7 of the upper cylinder left piston rod 302.
An upper check valve 12 which can enable the first oil guide hole 7 of the upper oil cylinder right piston rod 303 to be communicated with the first oil guide hole 7 of the upper oil cylinder left piston rod 302 is arranged in the upper oil cylinder piston 6; a lower one-way valve 13 is arranged in the lower cylinder piston 9 and can enable the second oil guide hole 10 of the lower cylinder left piston rod 402 to be communicated with the second oil guide hole 10 of the lower cylinder right piston rod 403.
The upper check valve 12 comprises an upper oil passing hole arranged on the upper cylinder piston 6, the upper oil passing hole is divided into an upper closing section 1201 and an upper conducting section 1202, the upper closing segment 1201 is connected to the first oil guide hole 7 of the upper cylinder right piston rod 303, the upper conducting section 1202 is connected to the first oil guiding hole 7 of the upper cylinder left piston rod 302, the aperture of the upper closing section 1201 is smaller than that of the upper conducting section 1202, the end of the upper conducting section 1202 is connected with a corresponding upper fixing plug 1203 in a threaded connection manner, the threaded connection between the upper conduction section 1202 and the upper fixing plug 1203 is arranged in a clearance manner, so that the upper conduction section 1202 is communicated with the first oil guide hole 7 of the upper cylinder left piston rod 302, an upper spiral spring 1204 is fixedly connected to the upper fixing plug 1203, and an upper sealing ball 1205 capable of sealing the upper sealing section 1201 is fixedly connected to one end of the upper spiral spring 1204, which is not connected to the upper fixing plug 1203.
The lower check valve 13 includes a lower oil passing hole provided on the lower cylinder piston 9, the lower oil passing hole is divided into a lower closing section 1301 and a lower communicating section 1302, the lower closing section 1301 is connected to the second oil guide hole 10 of the lower cylinder left piston rod 402, the lower conducting section 1302 is connected to the second oil guiding hole 10 of the lower cylinder right piston rod 403, the aperture of the lower closing section 1301 is smaller than that of the lower conducting section 1302, the end of the lower conducting section 1302 is connected with a corresponding lower fixing plug 1303 in a threaded connection mode, the threaded connection between the lower conducting section 1302 and the lower fixing plug 1303 is arranged in a clearance manner, so that the lower conducting section 1302 is communicated with the second oil guide hole 10 of the right piston rod 403 of the lower cylinder, a lower coil spring 1304 is fixedly connected to the lower fixing plug 1303, and a lower sealing ball 1305 capable of forming a seal with the lower sealing section 1301 is fixedly connected to an end of the lower coil spring 1304 that is not connected to the lower fixing plug 1303.
A group of external oil ports 14 are arranged on the connecting seat 1 connected to the upper oil cylinder right piston rod 303 and the lower oil cylinder right piston rod 403, the inner ends of the external oil ports 14 are respectively connected to the first oil guide hole 7 of the upper oil cylinder right piston rod 303 and the second oil guide hole 10 of the lower oil cylinder right piston rod 403, and the outer ends of the external oil ports 14 are connected to an external oil pressure control system through corresponding oil receiving pipes 15.
And a corresponding oil passage 16 is arranged on the connecting seat 1 connected to the upper cylinder left piston rod 302 and the lower cylinder left piston rod 402, and two ends of the oil passage 16 are respectively connected to the first oil guide hole 7 of the upper cylinder left piston rod 302 and the second oil guide hole 10 of the lower cylinder left piston rod 402.
Go up the left end upper side rigid coupling of oil cylinder body 301 and have last installation otic placode 17, the right-hand member downside rigid coupling of lower oil cylinder body 401 has lower installation otic placode 18, a set of sliding seat 5 respectively the rigid coupling in go up installation otic placode 17 and down on the installation otic placode 18.
The utility model discloses during the first use: the upper cylinder piston 6 is located at the right end of the upper cylinder body 301, the lower cylinder piston 9 is located at the left end of the lower cylinder body 401, the upper cylinder left cavity 3011 and the lower cylinder right cavity 3012 are filled with air, and hydraulic oil needs to be injected to discharge the air. Firstly, hydraulic oil is injected into the upper oil cylinder right cavity 3012 through the first oil guide hole 7 of the upper oil cylinder right piston rod 303 to push the upper oil cylinder body 301 to move rightwards, and air in the upper oil cylinder left cavity 3011 is exhausted outwards from the upper oil cylinder left piston rod 302 through the lower oil cylinder 4 under the extrusion of the upper oil cylinder piston 6; with the continuous entering of the hydraulic oil, the upper one-way valve 12 is conducted after bearing pressure, so that the upper oil cylinder right piston rod 303 and the upper oil cylinder left piston rod 302 are in a communicated state, the hydraulic oil slowly enters the lower oil cylinder left piston rod 402 from the upper oil cylinder left piston rod 302 through the upper one-way valve 12 and then enters the lower oil cylinder left cavity 4011 to be slowly filled with oil so as to push the lower oil cylinder body 401 to move leftwards, air in the lower oil cylinder right cavity 4012 is exhausted under the extrusion of the lower oil cylinder piston 9, and the inside of the oil cylinder group is filled with the hydraulic oil after the air is exhausted; then, hydraulic oil is injected into the lower cylinder right cavity 4012 through the second oil guide hole 10 of the lower cylinder right piston rod 403, the lower check valve 13 is under a high pressure and is in a locked state, the lower cylinder body 401 moves rightwards along with the injection of the hydraulic oil, the hydraulic oil in the lower cylinder left cavity 4011 enters the upper cylinder left cavity 3011 through the lower cylinder left piston rod 402 and the upper cylinder left piston rod 302 under the extrusion of the lower cylinder piston 9, so as to push the upper cylinder body 301 to move leftwards, and the hydraulic oil in the upper cylinder right cavity 3012 is discharged under the extrusion of the upper cylinder piston 6. Therefore, through the setting of last check valve 12 and lower check valve 13, can make the utility model discloses when the first time drops into use, can carry out oiling and exhaust operation smoothly to effectively ensure the utility model discloses a practical function.
Because the threaded connection department of last conduction section 1202 and last fixed stopper 1203, and the threaded connection department of lower conduction section 1302 and lower fixed stopper 1303 all is the clearance setting, it not only can make the first oil guide hole 7 of last conduction section 1202 and last cylinder left piston pole 302, and the second oil guide hole 10 of lower conduction section 1302 and lower cylinder right piston pole 403 forms and communicates each other, and can form the damping orifice, in the use, leak or when fluid is too much in last cylinder left cavity 3011, lower cylinder left cavity 4011 appearance fluid, can in time carry out automatic oil supplementation and draining, thereby promote by a wide margin the utility model discloses a practical effect.
The utility model discloses during the usual use: hydraulic oil enters the upper oil cylinder right cavity 3012 through the first oil guide hole 7 and the first oil guide branch hole 8 of the upper oil cylinder right piston rod 303 so as to push the upper oil cylinder body 301 to move rightwards; under the extrusion of the upper cylinder piston 6, hydraulic oil in the upper cylinder left cavity 3011 enters the second oil guide hole 10 of the lower cylinder left piston rod 402 along the first oil guide hole 8 and the first oil guide hole 7 of the upper cylinder left piston rod 302 in equal amount, and enters the lower cylinder left cavity 4011 along the second oil guide hole 11, so as to synchronously push the lower cylinder body 401 to move leftwards, and the upper cylinder body 301 and the lower cylinder body 401 can be effectively driven to realize synchronous opposite movement, that is, a group of movable seats 5 is driven to realize synchronous opposite movement. On the contrary, the hydraulic oil enters the lower cylinder right chamber 4012 through the second oil guide hole 10 and the second oil guide branch hole 11 of the lower cylinder right piston rod 403 to push the lower cylinder body 401 to move rightwards; under the extrusion of the lower cylinder piston 9, the hydraulic oil in the lower cylinder left cavity 4011 enters the first oil guide hole 7 of the upper cylinder left piston rod 302 along the second oil guide hole 11 and the second oil guide hole 10 of the lower cylinder left piston rod 402 in equal quantity, and enters the upper cylinder left cavity 3011 along the first oil guide hole 8, so as to synchronously push the upper cylinder body 301 to move leftwards, and the upper cylinder body 301 and the lower cylinder body 401 can be effectively driven to realize synchronous back-to-back movement, i.e. a group of movable seats 5 is driven to realize synchronous back-to-back movement. Compared with the existing synchronous oil cylinder, the synchronous oil cylinder has the advantages that components such as a displacement sensor do not need to be additionally configured, accurate synchronous driving can be conducted on the upper oil cylinder body 301 and the lower oil cylinder body 401, the structure is simple, the driving synchronism of the upper oil cylinder body 301 and the lower oil cylinder body 401 can be effectively guaranteed, and the action synchronism of the movable seat 5 is further guaranteed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a high stability type hydraulic drive device which characterized in that: comprises that
The device comprises a group of connecting seats (1), wherein a corresponding guide rod (2) is fixedly connected between the middle parts of the connecting seats (1);
the upper oil cylinder (3) comprises an upper oil cylinder body (301) and an upper oil cylinder left piston rod (302) and an upper oil cylinder right piston rod (303) which are assembled on two sides of the upper oil cylinder body (301), the outer ends of the upper oil cylinder left piston rod (302) and the upper oil cylinder right piston rod (303) are respectively fixed to the upper sides of the corresponding connecting seats (1), and the upper oil cylinder body (301) is movably arranged between the upper sides of the connecting seats (1);
the lower oil cylinder (4) comprises a lower oil cylinder body (401), and a lower oil cylinder left piston rod (402) and a lower oil cylinder right piston rod (403) which are assembled on two sides of the lower oil cylinder body (401), the outer ends of the lower oil cylinder left piston rod (402) and the lower oil cylinder right piston rod (403) are respectively fixed to the lower sides of the corresponding connecting seats (1), and the lower oil cylinder body (401) can be movably arranged between the lower sides of the connecting seats (1);
a set of sliding seat (5), respectively the rigid coupling in go up on hydro-cylinder body (301) and lower hydro-cylinder body (401), sliding seat (5) not the rigid coupling in last hydro-cylinder body (301) and the one end of lower hydro-cylinder body (401) but mobile cover respectively locate on guide bar (2).
2. A high stability hydraulic drive apparatus according to claim 1, wherein: go up the oil cylinder body (301) in the device have last oil cylinder piston (6), through go up oil cylinder piston (6) will the cavity of going up oil cylinder body (301) is divided into last oil cylinder left side chamber (3011) and last oil cylinder right side chamber (3012), the inner of going up oil cylinder left side piston rod (302) and going up oil cylinder right side piston rod (303) is fixed respectively to go up the both ends of oil cylinder piston (6), go up and be equipped with corresponding first oil guide hole (7) on oil cylinder left side piston rod (302) and the last oil cylinder right side piston rod (303) respectively, the inner of first oil guide hole (7) is equipped with respectively and communicates to go up first oil guide hole (8) of oil cylinder left side chamber (3011) and last oil cylinder right side chamber (3012).
3. A high stability hydraulic drive apparatus according to claim 2, wherein: a lower oil cylinder piston (9) is arranged in the lower oil cylinder body (401), a cavity of the lower oil cylinder body (401) is divided into a lower oil cylinder left cavity (4011) and a lower oil cylinder right cavity (4012) through the lower oil cylinder piston (9), the inner ends of a lower oil cylinder left piston rod (402) and a lower oil cylinder right piston rod (403) are respectively fixed to two ends of the lower oil cylinder piston (9), the lower oil cylinder left piston rod (402) and the lower oil cylinder right piston rod (403) are respectively provided with a corresponding second oil guide hole (10), and the inner end of the second oil guide hole (10) is respectively provided with a second oil guide hole (11) communicated to the lower oil cylinder left cavity (4011) and the lower oil cylinder right cavity (4012); the second oil guide hole (10) of the lower oil cylinder left piston rod (402) is connected to the first oil guide hole (7) of the upper oil cylinder left piston rod (302).
4. A high stability hydraulic drive apparatus according to claim 3, wherein: an upper check valve (12) which can enable the first oil guide hole (7) of the upper oil cylinder right piston rod (303) to be communicated with the first oil guide hole (7) of the upper oil cylinder left piston rod (302) is arranged in the upper oil cylinder piston (6); and a lower one-way valve (13) which can enable the second oil guide hole (10) of the lower oil cylinder left piston rod (402) to be communicated with the second oil guide hole (10) of the lower oil cylinder right piston rod (403) is arranged in the lower oil cylinder piston (9).
5. A high stability hydraulic drive apparatus according to claim 4, wherein: the upper check valve (12) comprises an upper oil passing hole arranged on the upper cylinder piston (6), the upper oil passing hole is divided into an upper closing section (1201) and an upper conducting section (1202), the upper closing section (1201) is connected to a first oil guiding hole (7) of an upper cylinder right piston rod (303), the upper conducting section (1202) is connected to a first oil guiding hole (7) of an upper cylinder left piston rod (302), the aperture of the upper closing section (1201) is smaller than that of the upper conducting section (1202), the end part of the upper conducting section (1202) is connected with a corresponding upper fixing plug (1203) in a threaded connection mode, the threaded connection part of the upper conducting section (1202) and the upper fixing plug (1203) is arranged in a clearance mode, the upper conducting section (1202) is communicated with the first oil guiding hole (7) of the upper cylinder left piston rod (302), and the upper fixing plug (1203) is provided with an upper spiral spring (1204), an upper sealing ball (1205) which can seal the upper closing section (1201) is fixedly connected to one end of the upper spiral spring (1204) which is not connected to the upper fixing plug (1203).
6. A high stability hydraulic drive apparatus according to claim 5, wherein: the lower check valve (13) comprises a lower oil passing hole arranged on the lower oil cylinder piston (9), the lower oil passing hole is divided into a lower closed section (1301) and a lower conducting section (1302), the lower closed section (1301) is connected to a second oil guiding hole (10) of the lower oil cylinder left piston rod (402), the lower conducting section (1302) is connected to a second oil guiding hole (10) of the lower oil cylinder right piston rod (403), the aperture of the lower closed section (1301) is smaller than that of the lower conducting section (1302), the end part of the lower conducting section (1302) is connected with a corresponding lower fixing plug (1303) in a threaded connection mode, the threaded connection part of the lower conducting section (1302) and the lower fixing plug (1303) is arranged in a clearance mode, the lower conducting section (1302) is communicated with the second oil guiding hole (10) of the lower oil cylinder right piston rod (403), and a lower spiral spring (1304) is fixedly connected to the lower fixing plug (1303), the end of the lower spiral spring (1304) which is not connected with the lower fixed plug (1303) is fixedly connected with a lower sealing ball (1305) which can form a seal for the lower closing section (1301).
7. A high stability hydraulic drive apparatus according to claim 3, wherein: connect in be equipped with a set of external hydraulic fluid port (14) on connecting seat (1) on last hydro-cylinder right piston rod (303) and lower hydro-cylinder right piston rod (403), the inner of external hydraulic fluid port (14) is connected to respectively on first oil guide hole (7) of last hydro-cylinder right piston rod (303) and second oil guide hole (10) of lower hydro-cylinder right piston rod (403), the outer end of external hydraulic fluid port (14) is connected to external oil pressure control system through corresponding oil receiving pipe (15).
8. A high stability hydraulic drive apparatus according to claim 3, wherein: and a corresponding oil passage channel (16) is arranged on the connecting seat (1) connected to the upper oil cylinder left piston rod (302) and the lower oil cylinder left piston rod (402), and two ends of the oil passage channel (16) are respectively connected to the first oil guide hole (7) of the upper oil cylinder left piston rod (302) and the second oil guide hole (10) of the lower oil cylinder left piston rod (402).
9. A high stability hydraulic drive apparatus according to claim 1, wherein: go up the left end upper side rigid coupling of oil cylinder body (301) and have installation otic placode (17), the right-hand member downside rigid coupling of oil cylinder body (401) has down installation otic placode (18) down, a set of sliding seat (5) respectively the rigid coupling in go up installation otic placode (17) and down on installation otic placode (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406698.5U CN216009105U (en) | 2021-09-30 | 2021-09-30 | High-stability hydraulic driving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406698.5U CN216009105U (en) | 2021-09-30 | 2021-09-30 | High-stability hydraulic driving device |
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| Publication Number | Publication Date |
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| CN216009105U true CN216009105U (en) | 2022-03-11 |
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| CN202122406698.5U Active CN216009105U (en) | 2021-09-30 | 2021-09-30 | High-stability hydraulic driving device |
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| CN (1) | CN216009105U (en) |
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2021
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