CN214200621U - Hydraulic simulation movement device for central swivel joint - Google Patents

Abstract

The utility model discloses a central swivel joint hydraulic pressure simulation telecontrol equipment, including base and slewing bearing, the both sides on base top pass through two multistage pneumatic cylinders respectively with the both sides fixed connection of slewing bearing outer lane bottom, the middle part on base top is passed through the supporting component and is installed central swivel joint subassembly, the supporting component includes four stands and support ring, the support ring is through the middle part fixed connection on four stands and base top, central swivel joint subassembly includes dabber and casing, the casing rotates the cover to be established at the top of dabber, the fixed cover in bottom of dabber is equipped with the collar, the beneficial effects of the utility model are that: can install the required hydraulic pressure part of hydraulic pressure analog motion respectively through base and driving disc, can carry out hydraulic pressure analog motion test to central swivel joint with central swivel joint subassembly intercommunication again, simulate central swivel joint's motion state better and test, ensure test effect and accuracy.

Description

Hydraulic simulation movement device for central swivel joint

Technical Field

The utility model relates to a hydraulic pressure analogue motion device, in particular to central authorities' swivel joint hydraulic pressure analogue motion device belongs to engineering machine tool technical field.

Background

The whole engineering machinery such as an excavator is divided into an upper part and a lower part, and hydraulic systems of the upper part and the lower part share one pump station. However, relative rotation exists between the upper vehicle and the lower vehicle, and a central rotary joint is arranged between the upper vehicle and the lower vehicle in order to avoid torsion caused by relative rotation between hydraulic pipelines. The central rotary joint has complex working conditions and higher working pressure, has high requirements on various parameters of the performance of reaction products such as reliability, stability and the like, and is necessary to perform performance test before the central rotary joint is put into use.

The existing test device and method for the central rotary joint mainly aim at pressure maintaining test, leakage test or durability test, hydraulic simulation motion test cannot be carried out on the central rotary joint, the motion state of the central rotary joint cannot be better simulated for testing, and the test effect and accuracy are affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a central authorities swivel joint hydraulic pressure simulation telecontrol equipment to the test device of the current central authorities swivel joint who proposes in solving above-mentioned background art can't carry out the problem that hydraulic pressure simulation sport tested to central swivel joint.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a central swivel joint hydraulic pressure simulation telecontrol equipment, includes base and slewing bearing, the both sides on base top pass through two multistage pneumatic cylinders respectively with the both sides fixed connection of slewing bearing outer lane bottom, central swivel joint subassembly is installed through the supporting component in the middle part on base top, the supporting component includes four stands and support ring, the support ring is through the middle part fixed connection on four stands and base top, central swivel joint subassembly includes dabber and casing, the casing rotates the cover and establishes at the top of dabber, the fixed cover in bottom of dabber is equipped with the collar, the collar is through the top of four bolt fixed mounting at the support ring, slewing bearing's inner circle fixed mounting has the driving disc.

As a preferred technical scheme of the utility model, a plurality of main oil circuit has been seted up to the inside of dabber, the middle part of dabber alternates and is connected with the leakage pipe, just the conversion signal oil circuit has still been seted up to the inside of dabber.

As an optimal technical scheme of the utility model, there is the end cover on the top of casing through bolt fixed mounting, the both sides side of end cover is fixed two driving teeth that are equipped with respectively.

As an optimal technical scheme of the utility model, the trompil has been seted up at the middle part of driving plate, two tooth's sockets, two have been seted up respectively to the both sides side of trompil inner wall the position and the size of tooth's socket respectively with the position and the size phase-match of two driving teeth, just the size of trompil and the size phase-match of casing.

As an optimized technical scheme of the utility model, one side fixed mounting of slewing bearing outer lane has driving motor, driving motor's output shaft is connected with slewing bearing's inner circle transmission.

As an optimal technical scheme of the utility model, the fixed flush mounting plate that is equipped with of avris of base, multistage hydraulic cylinder control switch and driving motor control switch, two are installed respectively to flush mounting plate's surface multistage hydraulic cylinder and driving motor are respectively through multistage hydraulic cylinder control switch and driving motor control switch and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a central authorities 'swivel joint hydraulic pressure simulation telecontrol equipment, can install the required hydraulic pressure part of hydraulic pressure simulation motion respectively through base and driving disc, can carry out the hydraulic pressure simulation motion test to central swivel joint with central authorities' swivel joint subassembly intercommunication again, the motion state that simulates central authorities 'swivel joint better tests, ensure test effect and accuracy, simultaneously through supporting component, the installation and the dismantlement of the central authorities' swivel joint of being convenient for are matched with the tooth's socket to the driving tooth on the end cover, the central authorities' swivel joint of being convenient for to change difference is experimental, and is more practical.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of the central swivel joint assembly of the present invention.

In the figure: 1. a base; 2. a slewing bearing; 3. a multi-stage hydraulic cylinder; 4. a support assembly; 41. a column; 42. a support ring; 5. a central swivel joint assembly; 51. a mandrel; 52. a housing; 53. a mounting ring; 54. a main oil path; 55. an end cap; 56. a leak pipe; 57. converting a signal oil path; 58. a transmission gear; 6. a drive plate; 7. opening a hole; 8. a tooth socket; 9. a drive motor; 10. a switch panel.

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. 1-2, the present invention provides a central swivel joint hydraulic simulation exercise device, which comprises a base 1 and a swivel support 2, wherein two sides of the top end of the base 1 are respectively fixedly connected with two sides of the bottom end of the outer ring of the swivel support 2 through two multi-stage hydraulic cylinders 3, the middle part of the top end of the base 1 is provided with a central swivel joint assembly 5 through a support assembly 4, the support assembly 4 comprises four columns 41 and a support ring 42, the support ring 42 is fixedly connected with the middle part of the top end of the base 1 through the four columns 41, the central swivel joint assembly 5 comprises a mandrel 51 and a shell 52, the shell 52 is rotatably sleeved on the top of the mandrel 51, the bottom of the mandrel 51 is fixedly sleeved with a mounting ring 53, the mounting ring 53 is fixedly mounted on the top end of the support ring 42 through four bolts, the inner ring of the swivel support 2 is fixedly provided with a transmission disc 6, and hydraulic components required for hydraulic simulation exercise can be respectively mounted through the base 1 and the transmission disc 6, and then the central rotary joint assembly 5 is communicated with the central rotary joint assembly, and the hydraulic simulation motion test can be carried out on the central rotary joint under the action of the driving motor 9, so that the motion state of the central rotary joint can be better simulated for testing, and the test effect and the accuracy are ensured.

Preferably, a plurality of main oil paths 54 are formed in the mandrel 51, a leakage pipe 56 is inserted and connected in the middle of the mandrel 51, a conversion signal oil path 57 is further formed in the mandrel 51, the simulation component can be connected through the main oil path 54, the leakage pipe 56 and the conversion signal oil path 57, and the purpose of simulating the flow of hydraulic oil is achieved, an end cover 55 is fixedly installed at the top end of the shell 52 through bolts, two transmission teeth 58 are fixedly arranged on two sides of the end cover 55 respectively, the transmission teeth 58 are convenient to match with the transmission disc 6, an opening 7 is formed in the middle of the transmission disc 6, two tooth sockets 8 are formed on two sides of the inner wall of the opening 7 respectively, the positions and the sizes of the two tooth sockets 8 are matched with the positions and the sizes of the two transmission teeth 58 respectively, the size of the opening 7 is matched with the size of the shell 52, the transmission disc 6 can be driven to rotate through the inner ring of the slewing bearing 2, and the transmission teeth 58 are matched with the tooth sockets 8 to drive the shell 52 to simulate rotation, one side fixed mounting of 2 outer lanes of slewing bearing has driving motor 9, driving motor 9's output shaft is connected with slewing bearing 2's inner circle transmission, can directly drive slewing bearing 2's inner circle through driving motor 9 and rotate, the avris of base 1 is fixed and is equipped with flush mounting plate of switch 10, multistage pneumatic cylinder control switch and driving motor control switch are installed respectively to flush mounting plate of switch 10's surface, two multistage pneumatic cylinders 3 and driving motor 9 are respectively through multistage pneumatic cylinder control switch and driving motor control switch and external power supply electric connection, be convenient for control whole device through flush mounting plate of switch 10, and the operation is simple and convenient.

When the device is used, the hydraulic simulation movement device for the central swivel joint of the utility model comprises a base 1 and a transmission disc 6, which are used for respectively installing hydraulic parts required by hydraulic simulation movement, a central swivel joint to be tested is installed on a support component 4, namely, a support ring 42 and a mounting ring 53 are fixedly connected by bolts to fixedly support a mandrel 51 of a central swivel joint component 5, an end cover 55 is installed at the top end of a shell 52 by bolts, two multi-stage hydraulic cylinders 3 are controlled by a switch panel 10 to work to drive a swivel bearing 2 to move downwards until two transmission teeth 58 are respectively matched with two tooth sockets 8, then different hydraulic parts are communicated by a main oil path 54, a leakage pipe 56 and a conversion signal oil path 57, a driving motor 9 is started by the switch panel 10, the shell 52 is driven by the driving motor 9 to rotate, and different hydraulic parts are controlled to work at the same time, can install the required hydraulic pressure part of hydraulic pressure analog motion respectively through base 1 and driving disc 6, communicate with central rotary joint subassembly 5 again and can carry out hydraulic pressure analog motion test to central rotary joint under driving motor 9's effect, the motion state that simulates central rotary joint better tests, ensure test effect and accuracy, simultaneously through supporting component 4, the installation and the dismantlement of central rotary joint of being convenient for are cooperateed with tooth's socket 8 to driving tooth 58 on the end cover 55, the central rotary joint of being convenient for change difference is experimental, and is more practical.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a central swivel joint hydraulic pressure simulation telecontrol equipment, includes base (1) and slewing bearing (2), its characterized in that, the both sides on base (1) top are through two multistage pneumatic cylinders (3) respectively with the both sides fixed connection of slewing bearing (2) outer lane bottom, central swivel joint subassembly (5) is installed through supporting component (4) in the middle part on base (1) top, supporting component (4) include four stand (41) and support ring (42), support ring (42) are through the middle part fixed connection on four stand (41) and base (1) top, central swivel joint subassembly (5) include dabber (51) and casing (52), casing (52) rotate the cover and establish the top at dabber (51), the bottom fixed cover of dabber (51) is equipped with collar (53), collar (53) are through the top of four bolt fixed mounting at support ring (42), and a transmission disc (6) is fixedly arranged on the inner ring of the slewing bearing (2).

2. The central swivel joint hydraulic analog motion device of claim 1, wherein: the oil-gas separation device is characterized in that a plurality of main oil passages (54) are formed in the mandrel (51), a leakage pipe (56) is connected to the middle of the mandrel (51) in an inserting mode, and a signal conversion oil passage (57) is formed in the mandrel (51).

3. The central swivel joint hydraulic analog motion device of claim 1, wherein: the top end of the shell (52) is fixedly provided with an end cover (55) through a bolt, and two sides of the end cover (55) are respectively and fixedly provided with two transmission teeth (58).

4. The central swivel joint hydraulic analog motion device of claim 2, wherein: trompil (7) have been seted up at the middle part of driving plate (6), two tooth's socket (8) have been seted up respectively to the both sides side of trompil (7) inner wall, two the position and the size of tooth's socket (8) respectively with the position and the size phase-match of two driving teeth (58), just the size phase-match of trompil (7) and casing (52).

5. The central swivel joint hydraulic analog motion device of claim 1, wherein: and a driving motor (9) is fixedly mounted on one side of the outer ring of the slewing bearing (2), and an output shaft of the driving motor (9) is in transmission connection with the inner ring of the slewing bearing (2).

6. The central swivel joint hydraulic analog motion device of claim 5, wherein: the avris of base (1) is fixed and is equipped with flush mounting plate of switch (10), the surface of flush mounting plate of switch (10) is installed multistage pneumatic cylinder control switch and driving motor control switch respectively, two multistage pneumatic cylinder (3) and driving motor (9) are respectively through multistage pneumatic cylinder control switch and driving motor control switch and external power supply electric connection.

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