CN109958439A - An annular support shoe propulsion system for shaft excavation - Google Patents

Abstract

The invention discloses an annular support shoe propulsion system for shaft excavation, which solves the problems of the prior art that the support shoe propulsion system is complex in structure, inflexible in operation, and affects the transportation of materials. The invention includes a middle column, a plurality of shoe plates and a plurality of tightening cylinders. The shoe plate and the tightening cylinder are connected end to end to form an annular structure. The shoe plate is connected with the middle column through a fixed torque beam and a telescopic torque beam. It is sleeved in the torque beam, and the other end is movably connected with the shoe plate; the inner wall of the shoe plate is connected with a propelling cylinder, one end of the propelling cylinder is connected with the shoe plate, and the other end is connected with the fixed torque beam; the tightening cylinder and the propelling cylinder are connected are connected to the controller. The tensioning cylinder of the invention adopts the circumferential arrangement, connects the middle column structure of the support shoe device through the torque beam, provides the reaction torque and the propulsion force of the support shoe device, the structure is simpler, the processing cost of the support shoe is lower, and the interior space of the tunnel or shaft is larger. , more conducive to material transportation and equipment layout.

Description

An annular support shoe propulsion system for shaft excavation

technical field

The invention relates to the technical field of shaft excavation equipment, in particular to an annular support shoe propulsion system for shaft excavation.

Background technique

With the continuous development of urban construction, there are more and more applications in shaft construction, and the support shoe propulsion system is an indispensable part of the shaft equipment. As a structure that provides stable propulsion for the equipment and provides a fixed point for the equipment, the support shoe propulsion system occupies an important position in the shaft engineering and tunnel equipment. The action lines of the tensioning cylinders all point to the center of the tunnel or shaft. The control is simple and the application is mature. However, the structure of the support shoes is complicated, the cost is high, and it will occupy the tunnel or center space and affect the transportation of materials.

SUMMARY OF THE INVENTION

In view of the above-mentioned deficiencies in the background technology, the present invention proposes an annular support shoe propulsion system for shaft excavation, which solves the problems of the prior art that the support shoe propulsion system is complex in structure, inflexible in operation, and affects the transportation of materials.

The technical scheme of the present invention is realized as follows: an annular support shoe propulsion system for shaft excavation, including a middle column, a plurality of shoe plates and a plurality of stretch cylinders, the shoe plates and the stretch cylinders are connected end to end to form an annular structure, and the shoe plates The fixed torque beam and the telescopic torque beam are connected with the middle column. One end of the telescopic torque beam is sleeved in the fixed torque beam, and the other end is movably connected with the shoe plate; the inner wall of the shoe plate is connected with a propelling cylinder, and one end of the propelling cylinder is connected to the shoe plate. The shoe plate is connected, and the other end is connected with the fixed torque beam; the tensioning cylinder and the propelling cylinder are controlled by the controller.

The middle part of the fixed torque beam is provided with an installation groove, the top of the installation groove is fixed with a connecting plate, and the interior of the installation groove is provided with a radial cylinder, one end of the radial cylinder is fixedly connected with the connecting plate, and the other end is fixed with the telescopic torque beam connect.

The end of the telescopic torque beam opposite to the shoe plate is provided with a connecting ball; the inner wall of the shoe plate is provided with a chute, a sliding block is arranged in the sliding groove, and a spherical groove is arranged on the sliding block, and the spherical groove is matched with the connecting ball.

Each shoe plate is provided with two propulsion cylinders, and the two propulsion cylinders are respectively arranged on both sides of the fixed torque beam.

The middle column is in the shape of a hollow cylinder, the outer wall of the middle column is provided with a connecting ear block, and the middle column is connected with the fixed torque beam through the connecting ear block.

The shoe plate is an arc-shaped plate.

The tensioning cylinder of the invention adopts the circumferential arrangement, connects the middle column structure of the support shoe device through the torque beam, provides the reaction torque and the propulsion force of the support shoe device, the structure is simpler, the processing cost of the support shoe is lower, and the interior space of the tunnel or shaft is larger. , more conducive to material transportation and equipment layout. The invention adopts the nested torque beam, so that the telescopic torque beam is sleeved inside the fixed torque beam, and the expansion and contraction of the telescopic torque beam is realized by the radial cylinder, the operation is simple, and the occupied space is saved. The telescopic torque beam is connected with the sliding block through spherical joints, and moves along the shoe plate, with flexible action and stable movement, ensuring smooth and fast construction and improving work efficiency.

Description of drawings

In order to illustrate the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention, which are common in the art. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a front view structural diagram of the present invention.

FIG. 2 is a top view of the structure of the present invention.

FIG. 3 is a partial enlarged view of part A in FIG. 1 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figures 1-3, Embodiment 1, an annular support shoe propulsion system for shaft excavation, includes an intermediate column 8, a plurality of shoe plates 1 and a plurality of tension cylinders 2, the shoe plates 1 are arc-shaped plates , the shoe plate 1 and the clamping cylinder 2 are connected end to end to form a ring structure, the number of the shoe plate 1 and the clamping cylinder 2 is selected according to the actual situation of the shaft; The diameter of the ring structure. The shoe plate 1 is connected with the middle column 8 through the fixed torque beam 6 and the telescopic torque beam 5. The fixed torque beam 6 and the telescopic torque beam 5 play a supporting role on the shoe plate, and one end of the telescopic torque beam 5 is sleeved on the fixed torque beam 6. In the middle, it moves horizontally along the fixed torque beam, and the other end is movably connected with the shoe plate 1, and can move vertically along the shoe plate; the inner wall of the shoe plate 1 is connected with a propelling cylinder 3, and one end of the propelling cylinder 3 is connected with the shoe plate 1, The other end is connected to the fixed torque beam 6, and the up and down movement of the device is realized through the expansion and contraction of the propulsion cylinder, providing the propulsion force of the device; the tightening cylinder 2 and the propulsion cylinder 3 are connected with the controller to realize automatic control, and the operation is simple, High precision.

Each fixed torque beam 6 is provided with an installation groove 6-1 inside, the installation groove is arranged in parallel with the fixed torque beam, the top of the installation groove 6-1 is fixedly provided with a connecting plate 6-2, and the interior of the installation groove 6-1 is provided with a connecting plate 6-2. There is a radial cylinder 7, the radial cylinder is horizontally arranged in the installation groove, one end of the radial cylinder 7 is fixedly connected with the connecting plate 6-2, and the other end is fixedly connected with the telescopic torque beam 5; the telescopic torque is realized by the expansion and contraction of the radial cylinder Expansion of beam 5.

Embodiment 2, an annular support shoe propulsion system for shaft excavation, the end of the telescopic torque beam 5 opposite to the shoe plate 1 is provided with a connecting ball 5-1; the inner wall of the shoe plate 1 is provided with a vertically arranged chute 1-1, there is a slider 1-2 in the chute 1-1, the slider 1-2 is provided with a spherical groove 1-3, the spherical groove 1-3 is matched with the connecting ball 5-1, and the spherical groove 1 -3 and the connecting ball 5-1 realize the ball hinge of the telescopic torque beam and the shoe plate, and the movement is flexible.

The other structures are the same as in Example 1.

Embodiment 3, an annular propelling shoe propulsion system for shaft excavation, including four shoe plates 1 and four tightening cylinders 2, each shoe plate 1 is provided with two propelling cylinders 3, two propelling cylinders 3 They are respectively arranged on both sides of the fixed torque beam 6, so that the propulsion force is more stable and even.

Further, the middle column 8 is a hollow cylinder, the outer wall of the middle column 8 is provided with a connecting lug block 8-1, and the middle column 8 is connected with the fixed torque beam 6 through the connecting lug block 8-1.

The other structures are the same as those of Embodiment 2.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (6)

1. a kind of shaft sinking annular support boots propulsion system, it is characterised in that: including intermediolateral column (8), several boots plates (1) and Several stretching cylinders (2), boots plate (1) and stretching cylinder (2) join end to end and form ring structure, and boots plate (1) passes through even twisting moment beam (6) it is connected with flexible torque beam (5) with intermediolateral column (8), the one end of flexible torque beam (5) is set in even twisting moment beam (6), The other end is flexibly connected with boots plate (1)；It is connected on the inner wall of boots plate (1) propulsion cylinder (3), one end of propulsion cylinder (3) and boots plate (1) it is connected, the other end is connected with even twisting moment beam (6)；Stretching cylinder (2) and propulsion cylinder (3) are controlled by controller.

2. the annular support boots propulsion system of shaft sinking according to claim 1, it is characterised in that: the even twisting moment beam (6) middle part is equipped with mounting groove (6-1), is fixed with connecting plate (6-2) at the top of mounting groove (6-1), mounting groove (6-1) it is interior Portion is equipped with radial cylinder (7), and one end of radial cylinder (7) is fixedly connected with connecting plate (6-2), the other end and flexible torque beam (5) are solid Fixed connection.

3. the annular support boots propulsion system of shaft sinking according to claim 1 or 2, it is characterised in that: the flexible torsion Square beam (5) and boots plate (1) opposite one end are equipped with connected ball (5-1)；The inner wall of boots plate (1) is equipped with sliding slot (1-1), sliding slot It is equipped with sliding block (1-2) in (1-1), sliding block (1-2) is equipped with spherical groove (1-3), and spherical groove (1-3) and connected ball (5-1) match It closes.

4. the annular support boots propulsion system of shaft sinking according to claim 3, it is characterised in that: each boots plate (1) it is set on there are two propulsion cylinder (3), two propulsion cylinders (3) are separately positioned on the two sides of even twisting moment beam (6).

5. the annular support boots propulsion system of shaft sinking according to claim 1, it is characterised in that: the intermediolateral column (8) Outer wall for hollow tube-shape, intermediolateral column (8) is equipped with engaging lug block (8-1), and intermediolateral column (8) passes through engaging lug block (8-1) and solid Determine torque beam (6) to be connected.

6. the annular support boots propulsion system of shaft sinking according to claim 1, it is characterised in that: the boots plate (1) is Arc panel.