CN212670585U

CN212670585U - Steel support axial force compensation system with self-locking hydraulic ratchet wheel

Info

Publication number: CN212670585U
Application number: CN202020840514.9U
Authority: CN
Inventors: 王羿; 祁迪
Original assignee: Zhejiang Mingsite Construction Support Technology Co ltd
Current assignee: Zhejiang Mingsite Construction Support Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-03-09
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock, including steel shotcrete system and axle power compensating system, the steel shotcrete system includes a plurality of horizontal bracing pieces and a plurality of longitudinal support pole, and the tip of horizontal bracing piece and longitudinal support pole all is connected with automatic festival, axle power compensating system is at least including monitoring computer, control operation station and a plurality of detecting element, it communicates through CAN bus connection with control operation station to detect the computer, the CAN bus adopts standard topological structure to be formed by trunk and branch connection, detect the computer, control operation station connects respectively on the trunk, a plurality of detecting element connect on the branch, and all be connected with hydraulic servo device on a plurality of detecting element, a plurality of hydraulic servo device all are connected with automatic festival. The utility model discloses an axial force compensating system carries out real-time supervision to the steel shotcrete that is connected and adds the axial force in advance and supports, and the holistic security of construction engineering can effectively be improved with this to the control through systematization.

Description

Steel support axial force compensation system with self-locking hydraulic ratchet wheel

Technical Field

The utility model relates to a deep basal pit construction field specifically is a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock.

Background

Along with the great development of urban rail transit, and the extreme shortage of land resources, deep foundation pit engineering of adjacent subways is increasing day by day. We have to face a problem, the safety of subways. At present, foundation pit excavation tends to be large-scale and large-depth, construction mostly takes open excavation as a main construction method, as is well known, deep foundation pit open excavation construction is usually accompanied by strong environmental effects, if the deep foundation pit construction is not strictly subjected to deformation control, the normal use of adjacent subways is influenced by large deformation, even accidents are caused in serious cases, and the economic loss and the social influence caused by the serious accidents are immeasurable. Therefore, the control of the safety influence of ultra-deep foundation pit construction on adjacent subways has gradually evolved into one of the main directions of modern foundation pit engineering research.

At present, reinforced concrete supports and phi 609 multiplied by delta 16 steel supports are commonly used for excavation and support of urban deep foundation pits in soft soil areas such as the Shanghai. When the steel support is used, prestress is applied according to design requirements. However, during construction, the prestress applied to the steel support is reduced with the passage of time, sometimes by a large amount, even by more than 50%, and at the moment, it is difficult to apply a support shaft force to the steel support, so that the displacement of the wall body is easily caused. When the displacement is too large, the safety of the subway in operation beside the foundation pit is directly influenced.

Therefore, how to design a set of self-adaptive compensation system for supporting axial force of steel for deep foundation pit construction, which can effectively control deformation of deep foundation pit construction and ensure safety of subway tunnel operation, is a technical problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome above technical problem, the utility model provides a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock to there is the serious deformation condition in the construction steel shotcrete connection in solving current foundation ditch, can influence its normal use because of warping, causes the problem of accident even when serious.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a steel support axial force compensation system with a hydraulic ratchet wheel self-locking function comprises a steel support system and an axial force compensation system;

the steel support system comprises a plurality of transverse support rods and a plurality of longitudinal support rods, the transverse support rods and the longitudinal support rods are connected with each other to form a frame structure, and the end parts of the transverse support rods and the longitudinal support rods are connected with automatic joints;

the axial force compensation system at least comprises a monitoring computer, a control operation station and a plurality of detection elements, the monitoring computer and the control operation station are communicated through a CAN bus, the CAN bus adopts a standard topological structure and is formed by connecting a trunk and branches, the monitoring computer and the control operation station are respectively connected to the trunk and a plurality of the detection elements are connected to the branches, and a plurality of the detection elements are connected with a hydraulic servo device and a plurality of the detection elements.

Preferably, the method comprises the following steps: the hydraulic servo device is installed in on the automatic festival, and hydraulic servo device includes hydraulic pump and hydraulic servo system, hydraulic servo system with control operation station passes through electric connection, the hydraulic pump is including supporting barrel, piston rod, push rod and locking structure, through monitoring computer control operation station is to making the piston rod promotes the push rod and pushes away at the barrel and supports the automatic festival.

Preferably, the method comprises the following steps: the self-locking structure comprises a ratchet bar, a ratchet wheel and fixed teeth, one end of the ratchet bar is fixedly connected with the push rod, the other end of the ratchet bar is meshed with the ratchet wheel, the fixed teeth are fixedly connected to the barrel, and the fixed teeth are meshed with the ratchet wheel.

Preferably, the method comprises the following steps: the piston rod and the push rod are coaxially arranged.

Preferably, the method comprises the following steps: the automatic joint comprises a fixed end, a steel pipe and a movable end, wherein the two ends of the steel pipe are respectively connected with the fixed end and the movable end through bolts and nuts.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock comprises steel shotcrete system and axle power compensating system, and the steel shotcrete system is used for supporting the foundation ditch wall body, prevents that the foundation ditch wall body from warping and collapsing to the steel shotcrete system combines axle power compensating system, carries out real-time supervision and adds the axle power through the axle power compensating system to the steel shotcrete that is connected and supports, and the control through systematization with this can effectively improve the holistic security of construction engineering.

Drawings

Fig. 1 is a schematic structural view of a steel support axial force compensation system with a hydraulic ratchet wheel self-locking according to the present invention;

fig. 2 is a schematic structural view of an axial force compensation system of a steel support axial force compensation system with a hydraulic ratchet wheel self-locking according to the present invention;

fig. 3 is a schematic structural diagram of an automatic joint of a steel support axial force compensation system with a hydraulic ratchet wheel self-locking according to the present invention.

In the figure: 1. a steel support system; 2. an axial force compensation system; 3. a transverse support bar; 4. a longitudinal support bar; 5. automatic saving 6, monitoring computer; 7. controlling the operation station; 8. a detection element; 9. a hydraulic servo device; 10. a hydraulic pump; 11. a hydraulic servo system; 12. a piston rod; 13. a push rod; 14. a barrel; 15. a ratchet bar; 16. a ratchet wheel; 17. fixing teeth; 18. a locking structure; 19. a steel pipe; 20. a movable end; 21. and a fixed end.

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.

In the description of the present invention, it should be noted that the terms "front", "back", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model provides a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock, as shown in fig. 1-3, a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock, including steel shotcrete system 1 and axle power compensating system 2, steel shotcrete system 1 is used for supporting the foundation ditch wall body, prevents that the foundation ditch wall body from warping and collapsing, and steel shotcrete system 1 combines axle power compensating system 2, carries out real-time supervision and adds the axle power support to the steel shotcrete that is connected through axle power compensating system 2, can effectively improve the holistic security of construction engineering with this through the control of systematization;

the steel support system 1 comprises a plurality of transverse support rods 3 and a plurality of longitudinal support rods 4, the transverse support rods 3 and the longitudinal support rods 4 are connected with each other to form a frame structure, the transverse support rods 3 and the longitudinal support rods 4 are made of profile steel, and the end parts of the transverse support rods 3 and the longitudinal support rods 4 are connected with automatic joints 5;

the axial force compensation system 2 at least comprises a monitoring computer 6, a control operation station 7 and a plurality of detection elements 8, wherein the detection elements 8 are pressure sensors, the monitoring computer and the control operation station 7 are connected and communicated through a CAN bus, the CAN bus 1 (namely, a Controller Area Network) belongs to the field bus category, the CAN bus is a serial communication Network which effectively supports distributed control or real-time control, and compared with a general communication bus, the data communication of the CAN bus has outstanding reliability, instantaneity and flexibility.

The CAN bus is formed by connecting a main trunk and branches by adopting a standard topological structure, a monitoring computer and a control operation station 7 are respectively connected to the main trunk, a plurality of detection elements 8 are connected to the branches, the detection elements 8 are connected with hydraulic servo devices 9, the hydraulic servo devices 9 are connected with the automatic joint 5, and the hydraulic servo devices 9 on the branches are operated and monitored by the monitoring computer on the main trunk through distribution instructions of the operation control station so as to compensate the supporting shaft force on the automatic joint 5;

as a specific improvement of this embodiment, the hydraulic servo device 9 is installed on the automatic joint 5, (the hydraulic servo device 9 is specifically located on the movable end 20), and the hydraulic servo device 9 includes a hydraulic pump 10 and a hydraulic servo system 11, the hydraulic servo system 11 is electrically connected to the control operation station 7, the hydraulic pump 10 includes a support cylinder 14, a piston rod 12, a push rod 13 and a locking structure 18, and in an actual construction site, the monitoring computer 6 receives relevant pressure threshold information tested by the detection element 8, and sends the information to the control operation station 7 according to feedback, so that the control operation station drives the piston rod 12 to push the push rod 13 to push against the automatic joint 5 at the cylinder 14, thereby satisfying axial force compensation support of the hydraulic pump 10 on the automatic joint 5, improving overall support strength, and stabilizing support strength of the steel support system 1.

As a specific improvement mode of the embodiment, a self-locking structure is provided, which comprises a ratchet bar 15, a ratchet wheel 16 and a fixed tooth 17, one end of the ratchet bar 15 is fixedly connected with the push rod 13, the other end of the ratchet bar 15 is meshed with the ratchet wheel 16, the fixed tooth 17 is fixedly connected with the barrel 14, the fixed tooth 17 is meshed with the ratchet wheel 16, the fixed tooth 17 is connected with the ratchet wheel 16, when the push rod 13 is pushed by the provided piston rod 12, the ratchet bar 15 is driven to be meshed with the ratchet wheel 16, the ratchet wheel 16 is synchronously meshed with the fixed tooth 17, the push rod 13 can be slid by synchronously assisting the ratchet wheel 16 and the ratchet bar 15 in the pushing process, after the push rod 13 is pushed to the proper position, the fixed tooth 17 and the ratchet wheel 16 realize self-locking, so as to lock and position the push rod 13, similarly, when reverse sliding is required, the control operation station 7 drives the rotation direction of the push rod 13 to make the ratchet bar 15 on the push rod 13 be, thus, the fixed teeth 17 are released from self-locking with the ratchet wheel 16, and the push rod 13 is reversely pushed to the original contraction position by the piston rod 12 after the push rod 13 is released from self-locking.

As a specific improvement of this embodiment, the piston rod 12 and the push rod 13 are coaxially arranged, so that the thrust can act on the push rod 13 as much as possible, and the effect of the thrust is maximized.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steel shotcrete axle power compensating system of hydraulic pressure ratchet auto-lock which characterized in that: comprises a steel support system (1) and an axial force compensation system (2);

the steel support system (1) comprises a plurality of transverse support rods (3) and a plurality of longitudinal support rods (4), the transverse support rods (3) and the longitudinal support rods (4) are connected with each other to form a frame structure, and the end parts of the transverse support rods (3) and the longitudinal support rods (4) are connected with automatic joints (5);

axial force compensating system (2) are at least including monitoring computer (6), control operation station (7) and a plurality of detecting element (8), monitoring computer (6) and control operation station (7) are through CAN bus connection communication, the CAN bus is formed by trunk and branch connection, monitoring computer (6), control operation station (7) are connected respectively on the trunk, and are a plurality of detecting element (8) are connected in the branch, and all are connected with hydraulic servo device (9), and are a plurality of on a plurality of detecting element (8) hydraulic servo device (9) all are connected with automatic festival (5).

2. The steel support shaft force compensation system of hydraulic ratchet self-locking according to claim 1, characterized in that: hydraulic servo device (9) install in on automatic festival (5), and hydraulic servo device (9) include hydraulic pump (10) and hydraulic servo system (11), hydraulic servo system (11) with control operation station (7) are through electric connection, hydraulic pump (10) are including supporting barrel (14), piston rod (12), push rod (13) and locking structure (18), through monitoring computer (6) control operation station (7) are to making piston rod (12) promote push rod (13) and push away to automatic festival (5) at barrel (14).

3. The steel support shaft force compensation system of hydraulic ratchet self-locking according to claim 2, characterized in that: the locking structure (18) comprises a ratchet bar (15), a ratchet wheel (16) and fixed teeth (17), one end of the ratchet bar (15) is fixedly connected with the push rod (13), the other end of the ratchet bar (15) is meshed with the ratchet wheel (16), the fixed teeth (17) are fixedly connected to the barrel body (14), and the fixed teeth (17) are meshed with the ratchet wheel (16).

4. The steel support shaft force compensation system of hydraulic ratchet self-locking according to claim 3, characterized in that: the piston rod (12) and the push rod (13) are coaxially arranged.

5. The steel support shaft force compensation system of hydraulic ratchet self-locking according to claim 4, characterized in that: the automatic joint (5) comprises a fixed end (21), a steel pipe (19) and a movable end (20), wherein the two ends of the steel pipe (19) are respectively connected with the fixed end (21) and the movable end (20) through bolts and nuts.