CN221700944U - Supporting hoisting structure of piping lane - Google Patents

Abstract

The utility model discloses a supporting hoisting structure of a pipe gallery, wherein one end of a first connecting piece is hinged to the radial outer side wall of a movable pulley protective cover, and the other end of the first connecting piece is connected to a first fixing piece through a first fixing screw; one end of the second connecting piece is hinged to the radial outer side wall of the movable pulley protective cover, and the other end of the second connecting piece is connected to the second fixing piece through a second fixing screw; one end of the flexible steel cable is connected with the first fixing piece, and the other end of the flexible steel cable is connected with the second fixing piece; the flexible steel cord faces the radial side of the friction plate and contacts the radial side of the friction plate when the first and/or second set screws are tensioned. According to the pipe gallery supporting hoisting structure, the movable pulley is locked by arranging the corresponding locking mechanism on the movable pulley block, so that a movable part closest to a pipe gallery section is directly locked in the hoisting process, the danger caused by slipping of the movable pulley block is avoided, the self-locking load of a motor is reduced, and the hoisting motor is effectively protected.

Description

A supporting hoisting structure for a pipe gallery

Technical Field

The utility model relates to a pipe gallery construction equipment technology, in particular to a pipe gallery supporting hoisting structure.

Background Art

Prefabricated pipe gallery assembly is of reliable quality and has been widely promoted and used. The assembly vehicles used for prefabricated pipe gallery assembly in the prior art mostly use jacks to adjust and limit the prefabricated pipe gallery segments from below. The adjustment method is relatively simple and it is difficult to meet the position requirements of the pipe gallery segments under various conditions, such as ramps and curves. When the pipe gallery is hoisted by hoisting, if the hoisting structure only relies on the self-locking control of the motor, due to the heavy weight of the pipe gallery segment, when adjusting the position of the hoisted pipe gallery segment, the pulley block of the hoisting structure is prone to slipping, etc., resulting in construction safety hazards; at the same time, when the motor self-locking load is large, it will also cause damage to the motor.

Utility Model Content

The technical problem to be solved by the utility model is that the existing hoisting structure is difficult to meet the demand for position adjustment of pipe gallery segments during the hoisting process, and the purpose is to provide a pipe gallery supporting hoisting structure to solve the above problem.

The utility model is realized by the following technical solutions:

A pipe gallery supporting hoisting structure comprises a movable pulley block and a locking mechanism, wherein the movable pulley block comprises a movable pulley assembly and a movable pulley protective cover sleeved on the outside of the movable pulley assembly; the movable pulley assembly comprises a plurality of movable pulley sheets and at least one friction sheet fixed to the movable pulley sheets; the movable pulley sheets and the friction sheets are coaxially arranged;

The locking mechanism comprises a first connecting member, a second connecting member, a first fixing plate, a second fixing plate, a first fixing screw, a second fixing screw and a flexible steel cable;

One end of the first connecting member is hinged to the radial outer side wall of the movable pulley protective cover, and the other end is connected to the first fixing plate through the first fixing screw; one end of the second connecting member is hinged to the radial outer side wall of the movable pulley protective cover, and the other end is connected to the second fixing plate through the second fixing screw; the thread directions of the screw holes of the first connecting member and the first fixing plate connected to the first fixing screw are opposite, and the thread directions of the screw holes of the second connecting member and the second fixing plate connected to the second fixing screw are opposite;

One end of the flexible steel cable is connected to the first fixing plate, and the other end of the flexible steel cable is connected to the second fixing plate; the flexible steel cable faces the radial side of the friction plate, and when the first fixing screw and/or the second fixing screw are tightened, the flexible steel cable contacts the radial side of the friction plate.

When the embodiment of the present application is implemented, the movable pulley block is generally located at the lowest position for lifting in the lifting structure, and the movable pulley block is mainly used to cooperate with the transmission steel cable to achieve the up and down displacement. In the embodiment of the present application, the improvement of the traditional movable pulley block is that the movable pulley block is equipped with a set of friction plates fixed to the movable pulley plates. At the same time, a corresponding matching locking mechanism is provided. The locking structure adjusts the position of the flexible steel cable through the first connecting member, the second connecting member, the first fixing plate and the second fixing plate, so that the flexible steel cable contacts or separates from the friction plate, thereby achieving the braking of the movable pulley block.

In the embodiment of the present application, since the thread directions of the screw holes of the first connecting member and the first fixing plate connected to the first fixing screw are opposite, when the first fixing screw rotates in the screw hole, the first fixing plate will be pulled toward or away from the first connecting member, thereby lifting the flexible steel cable upward or loosening it downward, thereby adjusting the distance between the flexible steel cable and the friction plate. The same is true for the second fixing screw. It should be understood that one end of the first fixing plate and the second fixing plate connected to the flexible steel cable can extend into the movable pulley protective cover, and the flexible steel cable can also be located in the movable pulley protective cover. After the flexible steel cable contacts the friction plate, since the friction plate is fixedly connected to the movable pulley plate, part of the pipeline corridor segment load carried by the movable pulley plate can be transferred to the friction plate and act on the flexible steel cable, thereby directly providing the vertical load required for the friction force for the flexible steel cable and the friction plate, thereby achieving the locking of the movable pulley plate. The embodiment of the present application realizes the locking of the movable pulley by providing a corresponding locking mechanism on the movable pulley block. During the hoisting process, the movable part closest to the tunnel segment is directly locked, thereby avoiding the danger caused by the slipping of the movable pulley block, and at the same time reducing the self-locking load of the motor, effectively protecting the hoisting motor.

In a specific embodiment, it also includes a driving motor, a transmission mechanism, a first fixed pulley group and a second fixed pulley group; the power output end of the driving motor is connected to the transmission mechanism, and the transmission cable is tightened or loosened through the transmission mechanism; the transmission cable is sequentially mounted on the first fixed pulley group, the movable pulley group and the second fixed pulley group; when the driving motor tightens the transmission cable, the movable pulley group rises, and when the driving motor loosens the transmission cable, the movable pulley group descends.

In a specific embodiment, the movable pulley protection cover is a fan-shaped structure and is sleeved on the lower side of the movable pulley assembly; the central angle of the fan-shaped structure is less than or equal to 180°.

In a specific embodiment, the first connecting member is hinged to one end of the radial outer wall of the movable pulley protective cover close to one end of the fan-shaped structure, and the second connecting member is hinged to one end of the radial outer wall of the movable pulley protective cover close to the other end of the fan-shaped structure.

In a specific implementation, the friction plate is an iron-based friction plate.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

The utility model discloses a pipe gallery supporting hoisting structure, which realizes locking of the movable pulley by arranging a corresponding locking mechanism on the movable pulley block. During the hoisting process, the movable part closest to the pipe gallery section is directly locked, thus avoiding the danger caused by the slipping of the movable pulley block, and reducing the self-locking load of the motor, thereby effectively protecting the hoisting motor.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

FIG1 is an overall schematic diagram of a hoisting structure according to an embodiment of the present application;

FIG2 is a schematic diagram of a movable pulley block according to an embodiment of the present application;

FIG3 is a schematic diagram of a locking structure according to an embodiment of the present application;

FIG. 4 is a side view of the movable pulley block according to an embodiment of the present application.

Marks and corresponding parts names in the attached drawings:

1-movable pulley block, 2-driving motor, 3-transmission mechanism, 4-first fixed pulley block, 5-second fixed pulley block, 11-movable pulley assembly, 12-movable pulley protection cover, 13-first connecting piece, 14-second connecting piece, 15-first fixed plate, 16-second fixed plate, 17-first fixed screw, 18-second fixed screw, 19-flexible steel cable, 111-movable pulley plate, 112-friction plate.

DETAILED DESCRIPTION

In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

Example

As shown in FIGS. 1 to 4 , the utility model is a supporting hoisting structure for a pipe gallery, comprising a movable pulley block 1 and a locking mechanism, wherein the movable pulley block 1 comprises a movable pulley assembly 11 and a movable pulley protective cover 12 sleeved on the outside of the movable pulley assembly 11; the movable pulley assembly 11 comprises a plurality of movable pulley pieces 111 and at least one friction piece 112 fixed to the movable pulley piece 111; the movable pulley piece 111 and the friction piece 112 are coaxially arranged;

The locking mechanism includes a first connecting member 13, a second connecting member 14, a first fixing plate 15, a second fixing plate 16, a first fixing screw 17, a second fixing screw 18 and a flexible steel cable 19;

One end of the first connecting member 13 is hinged to the radial outer wall of the movable pulley protection cover 12, and the other end is connected to the first fixing plate 15 through the first fixing screw 17; one end of the second connecting member 14 is hinged to the radial outer wall of the movable pulley protection cover 12, and the other end is connected to the second fixing plate 16 through the second fixing screw 18; the thread directions of the screw holes of the first connecting member 13 and the first fixing plate 15 connected to the first fixing screw 17 are opposite, and the thread directions of the screw holes of the second connecting member 14 and the second fixing plate 16 connected to the second fixing screw 18 are opposite;

One end of the flexible steel cable 19 is connected to the first fixing plate 15, and the other end of the flexible steel cable 19 is connected to the second fixing plate 16; the flexible steel cable 19 is toward the radial side of the friction plate 112, and when the first fixing screw 17 and/or the second fixing screw 18 are tightened, the flexible steel cable 19 contacts the radial side of the lower part of the friction plate 112.

When the embodiment of the present application is implemented, the movable pulley block is generally located at the lowest position for lifting in the lifting structure, and the movable pulley block is mainly used to cooperate with the transmission steel cable to achieve the up and down displacement. In the embodiment of the present application, the improvement of the traditional movable pulley block is that the movable pulley block is equipped with a set of friction plates fixed to the movable pulley plates. At the same time, a corresponding matching locking mechanism is provided. The locking structure adjusts the position of the flexible steel cable through the first connecting member, the second connecting member, the first fixing plate and the second fixing plate, so that the flexible steel cable contacts or separates from the friction plate, thereby achieving the braking of the movable pulley block.

In the embodiment of the present application, since the thread directions of the screw holes of the first connecting member and the first fixing plate connected to the first fixing screw are opposite, when the first fixing screw rotates in the screw hole, the first fixing plate will be pulled toward or away from the first connecting member, thereby lifting the flexible steel cable upward or loosening it downward, thereby adjusting the distance between the flexible steel cable and the friction plate. The same is true for the second fixing screw. It should be understood that one end of the first fixing plate and the second fixing plate connected to the flexible steel cable can extend into the movable pulley protective cover, and the flexible steel cable can also be located in the movable pulley protective cover. After the flexible steel cable contacts the friction plate, since the friction plate is fixedly connected to the movable pulley plate, part of the pipeline corridor segment load carried by the movable pulley plate can be transferred to the friction plate and act on the flexible steel cable, thereby directly providing the vertical load required for the friction force for the flexible steel cable and the friction plate, thereby achieving the locking of the movable pulley plate. The embodiment of the present application realizes the locking of the movable pulley by providing a corresponding locking mechanism on the movable pulley block. During the hoisting process, the movable part closest to the tunnel segment is directly locked, thereby avoiding the danger caused by the slipping of the movable pulley block, and at the same time reducing the self-locking load of the motor, effectively protecting the hoisting motor.

In a specific embodiment, it also includes a driving motor 2, a transmission mechanism 3, a first fixed pulley group 4 and a second fixed pulley group 5; the power output end of the driving motor 2 is connected to the transmission mechanism 3, and the transmission cable is tightened or loosened through the transmission mechanism 3; the transmission cable is sequentially mounted on the first fixed pulley group 4, the movable pulley group 1 and the second fixed pulley group 5; when the driving motor 2 tightens the transmission cable, the movable pulley group 1 rises, and when the driving motor 2 loosens the transmission cable, the movable pulley group 1 descends.

When the embodiment of the present application is implemented, the transmission mechanism generally uses a reducer to reduce the speed and increase the torque of the power output by the driving motor. The first fixed pulley group provides a vertical support for the movable pulley group through the transmission steel cable, and the second fixed pulley group provides another vertical support for the movable pulley group through the transmission steel cable, and provides the routing of the transmission steel cable, thereby realizing the up and down movement of the movable pulley group. This scheme is a common configuration of the pulley group, and the embodiment of the present application does not impose any restrictions on this.

During implementation of the embodiment of the present application, when the tunnel segment is hoisted to a predetermined position through the embodiment of the present application, the motor is stopped first, and a certain supporting force is provided through the motor self-locking, and then the first fixing screw and the second fixing screw are adjusted so that the flexible steel cable contacts the friction plate and is tightened to form a second self-locking, thereby achieving direct fixation of the movable pulley group.

In a specific embodiment, the movable pulley protection cover 12 is a fan-shaped structure, and is sleeved on the lower side of the movable pulley assembly 11; the central angle of the fan-shaped structure is less than or equal to 180°.

In a specific embodiment, the first connecting member 13 is hinged to one end of the radial outer wall of the movable pulley protective cover 12 close to one end of the fan-shaped structure, and the second connecting member 14 is hinged to one end of the radial outer wall of the movable pulley protective cover 12 close to the other end of the fan-shaped structure.

When the embodiment of the present application is implemented, the first connecting member and the second connecting member are equivalent to being arranged on both radial sides of the movable pulley protection cover, thereby providing a good tensioning environment for the flexible steel cable.

In a specific implementation, the friction plate 112 is an iron-based friction plate.

The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims (5)

1. A pipe gallery supporting hoisting structure, characterized in that it comprises a movable pulley block (1) and a locking mechanism, wherein the movable pulley block (1) comprises a movable pulley assembly (11) and a movable pulley protective cover (12) sleeved on the outside of the movable pulley assembly (11); the movable pulley assembly (11) comprises a plurality of movable pulley pieces (111) and at least one friction piece (112) fixed to the movable pulley piece (111); the movable pulley piece (111) and the friction piece (112) are coaxially arranged; The locking mechanism comprises a first connecting member (13), a second connecting member (14), a first fixing plate (15), a second fixing plate (16), a first fixing screw rod (17), a second fixing screw rod (18) and a flexible steel cable (19); One end of the first connecting member (13) is hinged to the radial outer wall of the movable pulley protection cover (12), and the other end is connected to the first fixing plate (15) through the first fixing screw (17); one end of the second connecting member (14) is hinged to the radial outer wall of the movable pulley protection cover (12), and the other end is connected to the second fixing plate (16) through the second fixing screw (18); the thread directions of the screw holes of the first connecting member (13) and the first fixing plate (15) connected to the first fixing screw (17) are opposite, and the thread directions of the screw holes of the second connecting member (14) and the second fixing plate (16) connected to the second fixing screw (18) are opposite; One end of the flexible steel cable (19) is connected to the first fixing plate (15), and the other end of the flexible steel cable (19) is connected to the second fixing plate (16); the flexible steel cable (19) faces the radial side of the friction plate (112), and when the first fixing screw (17) and/or the second fixing screw (18) are tightened, the flexible steel cable (19) contacts the radial side of the lower part of the friction plate (112). 2. A pipe gallery supporting lifting structure according to claim 1, characterized in that it also includes a driving motor (2), a transmission mechanism (3), a first fixed pulley group (4) and a second fixed pulley group (5); the power output end of the driving motor (2) is connected to the transmission mechanism (3), and the transmission cable is tightened or loosened through the transmission mechanism (3); the transmission cable is sequentially mounted on the first fixed pulley group (4), the movable pulley group (1) and the second fixed pulley group (5); when the driving motor (2) tightens the transmission cable, the movable pulley group (1) rises, and when the driving motor (2) loosens the transmission cable, the movable pulley group (1) descends. 3. According to a pipe gallery supporting lifting structure according to claim 1, it is characterized in that the movable pulley protection cover (12) is a fan-shaped structure and is mounted on the lower side of the movable pulley assembly (11); the central angle of the fan-shaped structure is less than or equal to 180°. 4. A pipe gallery supporting lifting structure according to claim 3, characterized in that the first connecting member (13) is hinged to one end of the radial outer wall of the movable pulley protective cover (12) close to one end of the fan-shaped structure, and the second connecting member (14) is hinged to one end of the radial outer wall of the movable pulley protective cover (12) close to the other end of the fan-shaped structure. 5. The pipe gallery supporting hoisting structure according to claim 1, characterized in that the friction plate (112) is an iron-based friction plate.