阅读说明：本技术 一种随动自锁式液压系统 (Follow-up self-locking hydraulic system ) 是由 王羿 祁迪 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种随动自锁式液压系统,涉及基坑支撑领域,包括液压装置和活动机构；所述液压装置包括带活塞杆的液压缸,所述液压缸与活动机构连接；所述活动机构包括空心的连接头、活动杆、小齿轮和空心设置的大齿轮,所述连接头的一端与所述液压缸靠近活塞杆活动的一端连接,且所述活塞杆可在所述连接头的空腔内活动,所述活动杆的一端活动的置于所述连接头内,且与所述活塞杆的一端固定连接,所述大齿轮活动的套设在所述活动杆上,且与所述小齿轮转动啮合,所述小齿轮连接有动力机构。该液压系统结构简单紧凑,施工安拆方便快捷,节约时间,同时采用了机械加液压的双自锁设计,安全可靠。(The invention discloses a follow-up self-locking hydraulic system, which relates to the field of foundation pit support and comprises a hydraulic device and a movable mechanism; the hydraulic device comprises a hydraulic cylinder with a piston rod, and the hydraulic cylinder is connected with the movable mechanism; the moving mechanism includes hollow connector, movable rod, pinion and the hollow gear wheel that sets up, the one end of connector with the pneumatic cylinder is close to the one end of piston rod activity and is connected, just the piston rod can the cavity internalization of connector, arranging in of the one end activity of movable rod in the connector, and with the one end fixed connection of piston rod, the cover of gear wheel activity is established on the movable rod, and with the pinion rotates the meshing, the pinion is connected with power unit. The hydraulic system is simple and compact in structure, convenient and quick to install and disassemble in construction, time-saving, safe and reliable due to the fact that a mechanical and hydraulic double-self-locking design is adopted.)

1. A follow-up self-locking hydraulic system is characterized by comprising a hydraulic device and a movable mechanism;

the hydraulic device comprises a hydraulic cylinder (1) with a piston rod, and the hydraulic cylinder (1) is connected with the movable mechanism;

the moving mechanism includes hollow connector (2), movable rod (3), pinion (4) and hollow gear wheel (5) that sets up, the one end of connector (2) with pneumatic cylinder (1) is close to the one end of piston rod activity and is connected, just the piston rod can the cavity internalization of connector (2), arranging in of the one end activity of movable rod (3) in connector (2), and with the one end fixed connection of piston rod, the cover of gear wheel (5) activity is established on movable rod (3), and with pinion (4) rotate the meshing, pinion (4) are connected with power unit.

2. The follow-up self-locking hydraulic system according to claim 1, characterized in that one end of the hydraulic cylinder (1) far away from the connector (2) is fixedly connected with a connecting plate (11), a plurality of bolt holes (12) are uniformly distributed around the connecting plate (11), a plurality of reinforcing rib plates (13) are fixed around the outer wall of one end of the hydraulic cylinder (1) far away from the connector (2), and the reinforcing rib plates (13) are fixedly connected with the connecting plate (11).

3. A follow-up self-locking hydraulic system according to claim 1, characterised in that the movable rod (3) is in threaded connection with the gearwheel (5).

4. A follow-up self-locking hydraulic system according to claim 1, characterised in that a support head (31) is fixed to the end of the movable rod (3) remote from the connecting head (2).

5. A follow-up self-locking hydraulic system according to claim 1, wherein the power mechanism comprises a rotating shaft and a motor (6), one end of the rotating shaft is connected with the pinion (4), the other end of the rotating shaft is fixedly connected with the output end of the motor (6), and the motor (6) is fixed on the connector (2).

6. A follow-up self-locking hydraulic system according to claim 1, characterised in that the height of the pinion (4) is greater than the height of the gearwheel (5) and less than the height of the movable bar (3).

Technical Field

The invention relates to the field of foundation pit support, in particular to a follow-up self-locking hydraulic system.

Background

In the foundation pit construction, the foundation pit support is an important step, and the foundation pit support is an important guarantee for ensuring safe construction. In the existing foundation pit support, a mechanical method is generally adopted, one end of the steel support is abutted against steel plates around the foundation pit, and the other end of the steel support is connected with the steel frame support, so that the support wastes time and mechanical materials, and the installation and the disassembly in the construction process are inconvenient, and the axial force displacement of the steel support is inconvenient to adjust.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a follow-up self-locking hydraulic system which is simple and compact in structure, convenient and quick to install and disassemble in construction, time-saving, safe and reliable due to the adoption of a mechanical and hydraulic double self-locking design.

The purpose of the invention is realized by the following technical scheme:

a follow-up self-locking hydraulic system comprises a hydraulic device and a movable mechanism; the hydraulic device comprises a hydraulic cylinder with a piston rod, and the hydraulic cylinder is connected with the movable mechanism; the moving mechanism includes hollow connector, movable rod, pinion and the hollow gear wheel that sets up, the one end of connector with the pneumatic cylinder is close to the one end of piston rod activity and is connected, just the piston rod can the cavity internalization of connector, arranging in of the one end activity of movable rod in the connector, and with the one end fixed connection of piston rod, the cover of gear wheel activity is established on the movable rod, and with the pinion rotates the meshing, the pinion is connected with power unit.

Preferably, the hydraulic cylinder is far away from the one end fixedly connected with connecting plate of connector, a plurality of bolt holes have been seted up to the equipartition all around of connecting plate, the hydraulic cylinder is far away from the outer wall of connector one end is fixed with a plurality of deep floor all around, deep floor all with connecting plate fixed connection.

Preferably, the movable rod is in threaded connection with the gearwheel.

Preferably, one end of the movable rod, which is far away from the connector, is fixed with a support head.

Preferably, the power mechanism comprises a rotating shaft and a motor, one end of the rotating shaft is connected with the pinion, the other end of the rotating shaft is fixedly connected with the output end of the motor, and the motor is fixed on the connecting head.

Preferably, the height of the small gear is greater than that of the large gear and less than that of the movable rod.

The invention has the beneficial effects that:

1. the system comprises a hydraulic device and a movable mechanism, wherein a hydraulic cylinder of the hydraulic device is connected with the movable mechanism, one end of a hollow connector of the movable mechanism is connected with one end of the hydraulic cylinder, which is close to the movement of a piston rod, and one end of a movable rod is movably arranged in the connector and fixedly connected with the piston rod, so that the movable rod is moved to drive the piston rod to move in the hydraulic cylinder, meanwhile, a large gear is movably sleeved on the movable rod and rotatably meshed with a small gear, the small gear drives the small gear to rotate through a power mechanism connected with a rotating shaft, the small gear drives the large gear to move through being meshed with the large gear, and further, the large gear can move on the movable rod and limit the movable rod, thereby realizing the relative distance between the movable rod and the hydraulic cylinder, and adjusting the axial force. The system adopts a mechanical and hydraulic double self-locking design, and is safe and reliable.

2. The end, far away from the connector, of the hydraulic cylinder is fixedly connected with a connecting plate, a plurality of bolt holes are uniformly distributed in the periphery of the connecting plate, the connecting plate is connected with a steel support through bolts, so that an integral structure is realized for supporting a steel plate of a foundation pit, a plurality of reinforcing rib plates are fixed in the periphery of the outer wall, far away from the connector, of the hydraulic cylinder, the reinforcing rib plates are fixedly connected with the connecting plate, and the reinforcing rib plates are used for further reinforcing the joint of the hydraulic cylinder and the connecting plate, so that damage to the support when stressed is; the movable rod is in threaded connection with the large gear, so that the large gear can move on the movable rod when the large gear is rotated; a support head is fixed at one end of the movable rod, which is far away from the connector, the support head is used for connecting the axial force detector, is supported on a steel plate of the foundation pit, and supports and observes the change of the axial force through the axial force detector; one end of a rotating shaft of the power mechanism is connected with a pinion, the other end of the rotating shaft is fixedly connected with the output end of the motor, the motor is fixed on the connecting head, and the rotating shaft and the pinion fixedly connected with the rotating shaft are driven to rotate together by the power provided by the motor; the height of the small gear is larger than that of the big gear and smaller than that of the movable rod, so that when the movable rod moves up and down relative to the small gear, the big gear can always keep a meshed state with the small gear, and the big gear is prevented from being separated from the small gear.

Drawings

FIG. 1 is a schematic structural diagram of a servo self-locking hydraulic system according to the present invention;

FIG. 2 is a schematic view of the connection of a hydraulic cylinder of the servo self-locking hydraulic system of the present invention;

FIG. 3 is a schematic view of a connection structure of a movable mechanism of a servo self-locking hydraulic system according to the present invention;

in the figure, 1-a hydraulic cylinder, 2-a connector, 3-a movable rod, 4-a pinion, 5-a bull gear, 6-a motor, 11-a connecting plate, 12-a bolt hole, 13-a reinforcing rib plate and 31-a supporting head.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

As shown in fig. 1 to 3, a follow-up self-locking hydraulic system includes a hydraulic device and a movable mechanism; the hydraulic device comprises a hydraulic cylinder 1 with a piston rod, and the hydraulic cylinder 1 is connected with the movable mechanism; the movable mechanism comprises a hollow connector 2, a movable rod 3, a pinion 4 and a large gear 5 arranged in a hollow mode, one end of the connector 2 is connected with one end, close to the piston rod, of the hydraulic cylinder 1, the piston rod can move in a cavity of the connector 2, one end of the movable rod 3 is movably arranged in the connector 2 and is fixedly connected with one end of the piston rod, the movable sleeve of the large gear 5 is arranged on the movable rod 3 and is rotatably meshed with the pinion 4, and the pinion 4 is connected with a power mechanism. The system comprises a hydraulic device and a movable mechanism, wherein a hydraulic cylinder 1 of the hydraulic device is connected with the movable mechanism, one end of a hollow connector 2 of the movable mechanism is connected with one end of the hydraulic cylinder 1 close to the piston rod, one end of a movable rod 3 is movably arranged in the connector 2 and is fixedly connected with the piston rod, thereby realizing that the movable rod 3 moves to drive the piston rod to move in the hydraulic cylinder 1, and simultaneously the big gear 5 is movably sleeved on the movable rod 3, and is rotatably engaged with the small gear 4, the small gear 4 drives the small gear 4 to rotate through a connected power mechanism, the small gear 4 drives the big gear 5 to move through being engaged with the big gear 5, and then the big gear 5 can move on the movable 3 rod, the movable rod 3 is limited, so that the relative distance between the movable rod 3 and the hydraulic cylinder 1 is realized, and the axial force displacement of the steel support is adjusted. The system adopts a mechanical and hydraulic double self-locking design, and is safe and reliable.

Further, when this system is implemented specifically, the one end fixedly connected with connecting plate 11 of connector 2 is kept away from to pneumatic cylinder 1 of this system, a plurality of bolt holes 12 have been seted up to the equipartition all around of connecting plate 11, the outer wall that 2 one end of connector was kept away from to pneumatic cylinder 1 is fixed with a plurality of deep floor board 13 all around, deep floor board 13 all with connecting plate 11 fixed connection, at first couple together connecting plate 11 and steel shotcrete with the bolt, be used for as supporting the end, the one end that connector 2 was kept away from to the movable rod 3 of this system simultaneously is fixed with supports head 31, support the head 31 other end and be connected with the axle power that is used for detecting the axle power and detect the meter, and axle power detects the meter and supports the head 31 together and lean. Then the hydraulic device and the movable mechanism of the system are adjusted to carry out reinforced support, a hydraulic pump on the hydraulic cylinder 1 is started in an electric connection mode, the hydraulic pump feeds oil to the inside of the hydraulic cylinder 1, the hydraulic pump pushes a piston in the hydraulic cylinder to move along with the increase of oil quantity, so that a piston rod connected with the piston is driven to move outwards relative to the hydraulic cylinder 1, one end of a connector 2 of the movable mechanism is connected with one end of the hydraulic cylinder 1 close to the movement of the piston rod, the piston rod can move in a cavity of the connector 2, one end of a movable rod 3 is movably arranged in the connector 2 and is fixedly connected with one end of the piston rod, a large gear 5 is movably sleeved on the movable rod 3 and is rotatably meshed with a small gear 4, the movable rod 3 moves outwards to push the large gear 5 in threaded connection with the movable rod 3 to slide on the small gear 4 meshed with the small gear 4 through, the supporting head 31 fixed at the end of the movable rod 3 far away from the connector 2 can support the steel plate of the foundation pit more firmly.

Further, because the steel sheet of retaining foundation ditch can be because reasons such as ground subsides, can be to the change of emergence power, in order to prevent when the atress, movable rod 3 receives the reaction force of steel sheet and takes place to retract, and then be connected with power unit on pinion 4, this power unit includes pivot and motor 6, the one end and the pinion 4 of pivot are connected, the other end and the output fixed connection of motor 6 of pivot, motor 6 is fixed on connector 2, mode starting motor 6 through the electricity even, motor 6 provides power and drives the pivot and rotates together with pivot fixed connection's pinion 4, the gear wheel 5 that leans on one side of connector 2 with pinion 4 meshing rotates, until gear wheel 5 supports and leans on the end of connector 2, and then stop the retraction of movable rod 3. The pinion gear 4 is designed to be higher than the bull gear 5 and lower than the movable lever 3, so that the bull gear 5 can always be engaged with the pinion gear 4 when the movable lever 3 moves up and down with respect to the pinion gear 4, thereby preventing the bull gear 5 from being disengaged from the pinion gear 4.

Furthermore, this system adopts servo motor to come as the power supply, can conveniently drive the pinion through driving motor, and then drive gear wheel 5 spacing to movable rod 3, this system supports head 31 simultaneously and is connected with the axle power detector, detect the atress through the axle power detector, on the data display that will collect conveys with it and be connected, then calculate the axle power value scope of setting out with it through the contrast, carry out feedback control, if data has surpassed and calculated the setting value scope, can report to the police with corresponding alarm, show that the axle power that the steel shotcrete received exceeds the regulation, need adjust the rotation of motor 6 through the terminal control ware, thereby come to drive pinion 4 through motor 6 and rotate, rotate the elasticity that leans on at connector 2 with pinion 4 meshing gear wheel 5 and realize the reasonable regulation of axle power. The system designed in the way has the advantages that the axial force and the displacement of the steel support can be automatically monitored and controlled in real time, the duration of the axial force and the displacement and a real-time dynamic curve can be displayed, meanwhile, real-time monitoring data of the axial force and the displacement can be inquired and derived at any time, reports can be generated and printed out in real time by the axial force and the displacement, the early warning of the over-limit risk of the axial force and the displacement and the short message alarm pushing can be realized through modern network technologies such as network data transmission, and the like, and the remote real-time inquiry, the monitoring and the like can. The hydraulic system has the advantages of simple and compact structure, convenient and quick installation and disassembly in construction, time saving, and safety and reliability due to the adoption of a mechanical and hydraulic double-self-locking design.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.