A self-locking part for mechanical support legs in a hoistway

Abstract

The utility model discloses a self-locking member for supporting legs of mechanical support in a well, comprising a friction bottom plate in a convex arc shape and a supporting leg seat on its upper surface; the bottom surface of the friction bottom plate is a friction surface, and the friction surface is in direct contact with the inner wall of the well; an arc-shaped sliding groove is formed on the upper surface of the supporting leg seat; the groove bottom plate of the arc-shaped sliding groove is thin in front and thick in the back; the bottom of the supporting leg is limited in the arc-shaped sliding groove and is slidably connected with the supporting leg seat. The utility model is suitable for the self-locking of supporting legs of mechanical support points of suspended internal support in projects such as wells, culverts, and tunnels, and has the characteristics of simple structure, safety and reliability, convenient use, and strong applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical locking, in particular to a self-locking member for a mechanical support leg in a well. Background Art

[0002] With the continuous development of the construction industry, the degree of mechanization and intelligence is getting higher and higher, and the requirements for the operability, applicability and safety of machinery are getting higher and higher. As far as civil construction projects are concerned, the main body and decoration construction process of the elevator shaft are both important and have great safety hazards. At present, the operating platforms in the elevator shaft in the industry mainly include platforms built with steel pipe fasteners, steel welding machine platforms, and some mechanical operating platforms with a low degree of mechanization. These platforms require sufficient safety devices to ensure the safety of construction operations. For some large box culvert projects and tunnel projects, the suspended internal support machinery used also needs to have sufficient safety protection devices.

[0003] Therefore, developing a self-locking member for the mechanical support leg of the shaft inner support which is simple in structure, safe and reliable, easy to use and highly applicable is a technical problem to be solved urgently. Utility Model Content

[0004] In view of the above-mentioned defects in the prior art, the utility model provides a self-locking part for the support legs of the internal support machinery of a shaft, which is suitable for the self-locking of the support legs of the suspended internal support machinery support points of shafts, culverts, tunnels and other projects, and has the characteristics of simple structure, safety and reliability, easy use and strong applicability.

[0005] To achieve the above-mentioned purpose, the utility model provides a self-locking member for supporting legs of a hoistway inner support machine, characterized in that it comprises a friction bottom plate in a convex arc shape and a supporting leg seat on its upper surface;

[0006] The bottom surface of the friction bottom plate is a friction surface, and the friction surface is in direct contact with the inner wall of the well;

[0007] An arc-shaped sliding groove is formed on the upper surface of the support leg seat; the groove bottom plate of the arc-shaped sliding groove is thin at the front and thick at the rear; the bottom of the support leg is limited in the arc-shaped sliding groove and is slidably connected to the support leg seat.

[0008] The use process and self-locking principle of the self-locking part are as follows: first, the self-locking part is installed on the front end of the upper machinery support leg rod, and then the upper machinery is adjusted so that all the support leg rods and the self-locking part are pressed against the inner wall of the well, and the upper machinery supported by the support legs is locked after being tightened; after the upper machinery is locked firmly and the self-locking part presses against the inner wall of the well, the gap caused by the relative sliding of the support leg and the groove is automatically locked through the bottom wall of the arc-shaped sliding groove with a thin front and thick back of the groove bottom plate, thereby realizing the self-locking function simply and efficiently, and ensuring the safety and reliability of the entire upper machinery equipment.

[0009] Furthermore, the friction surface is a serrated friction surface.

[0010] Furthermore, arc-shaped through holes are formed on both sides of the arc-shaped sliding groove; a bolt passes through the arc-shaped through hole and the bottom of the supporting leg, and the supporting leg is restricted in the arc-shaped sliding groove by a nut.

[0011] Furthermore, the friction base plate and the support leg seats on its upper surface are integrally cast.

[0012] Furthermore, the friction base plate and the support leg seats on its upper surface are made of one of cast iron, steel, alloy steel, and steel-plastic.

[0013] Compared with the prior art, the above utility model has the following advantages or beneficial effects:

[0014] (1) The utility model has a simple structure and is easy to install and disassemble;

[0015] (2) The utility model can be industrially produced, has a wide range of applications, and has a simple and efficient implementation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention and its features and advantages will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, and the emphasis is on illustrating the subject matter of the present invention.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the utility model from another angle;

[0020] Figure 4 for Figure 3 Schematic diagram of the structure in which the supporting legs are hidden;

[0021] Among them, 1. friction base plate; 2. support leg seat; 3. inner wall of the well; 4. support leg; 11. serrated friction surface; 21. arc-shaped sliding groove; 22. arc-shaped through hole; 23. bolt; 24. nut. DETAILED DESCRIPTION

[0022] The structure of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0023] In the description of the present application, the terms "upper", "lower", "top", "bottom", "front", "back", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0024] The execution order of actions, steps, etc. in the devices and methods shown in the claims, specifications and drawings can be implemented in any order as long as there is no special explicit limitation on the order and the output of the previous processing is not used in the subsequent processing. The use of "first", "second", "third" and other descriptions for the convenience of description does not mean that they must be implemented in such order.

[0025] Example

[0026] See also Figures 1 to 4 The present embodiment provides a self-locking member for a mechanical support leg in a shaft, comprising a friction base plate 1 in a convex arc shape and a support leg seat 2 on its upper surface; the bottom surface of the friction base plate 1 is a friction surface, and the friction surface is in direct contact with the inner wall 3 of the shaft; an arc-shaped sliding groove 21 is formed on the upper surface of the support leg seat 2; the groove base plate of the arc-shaped sliding groove 21 is thin in the front and thick in the rear; the bottom of the support leg 4 is limited in the arc-shaped sliding groove 21 and is slidably connected to the support leg seat 2.

[0027] The use process and self-locking principle of the self-locking part are as follows: first, install the self-locking part at the front end of the upper machinery support leg rod, then adjust the upper machinery so that all the support leg rods and the self-locking part are pressed against the inner wall of the well, and then lock the upper machinery supported by the support leg; after the upper machinery is locked and the self-locking part is pressed against the inner wall of the well, the gap generated by the relative sliding of the support leg and the groove is automatically locked through the bottom wall of the arc-shaped sliding groove with a thin front and thick back of the groove bottom plate, thereby realizing the self-locking function simply and efficiently, and ensuring the safety and reliability of the entire upper machinery equipment. Therefore, after the entire mechanical device is pressed, since the upper structure of the support leg and the self-locking part can slide in the groove of the self-locking part, and the friction between the convex arc-shaped friction bottom plate and the surrounding walls is much greater than the friction generated between the support leg and the bottom of the groove, there will be no overall sliding after pressing. At the same time, affected by the bottom wall of the arc-shaped sliding groove which is thin in front and thick in the back of the groove bottom plate, when the supporting leg slides downward in the groove, the bottom of the groove produces a reaction force on the supporting leg, thereby achieving a self-locking function, and the entire mechanical device is re-secured and no longer slides.

[0028] As a preferred technical solution, see Figure 2 The friction surface is a serrated friction surface 11. It is understandable that the friction surface can also be provided with other surfaces that can increase the friction force between the friction surface and the inner wall of the well, such as a roughened surface.

[0029] As a preferred technical solution, see Figures 2 to 4 , arc-shaped through holes 22 are formed on both sides of the arc-shaped sliding groove 21; a bolt 23 passes through the arc-shaped through hole 22 and the bottom of the support leg 4, and the support leg 3 is restricted in the arc-shaped sliding groove 21 by a nut 24 to prevent the support leg 3 from being separated from the arc-shaped sliding groove 21. It can be understood that the bolts can also be multiple, and the sliding connection method can also be other methods such as a latch connection.

[0030] As a preferred technical solution, the friction base plate 1 and the support leg seat 2 on its upper surface are integrally cast to support industrial production. The friction base plate 1 and the support leg seat 2 on its upper surface can be made of cast iron, steel, alloy steel, or steel-plastic.

[0031] It can be seen that the self-locking part has a simple structure, is safe and reliable, is easy to use, and has strong applicability. It has been adopted in the construction of the elevator shaft operating platform of the construction project we have undertaken, and has fully achieved the expected design effect.

[0032] In summary, the utility model provides a self-locking member for the mechanical support leg of the shaft inner support, comprising a friction bottom plate in a convex arc shape and a support leg seat on its upper surface; the bottom surface of the friction bottom plate is a friction surface, and the friction surface is in direct contact with the inner wall of the shaft; an arc-shaped sliding groove is formed on the upper surface of the support leg seat; the groove bottom plate of the arc-shaped sliding groove is thin in front and thick in the back; the bottom of the support leg is limited in the arc-shaped sliding groove and is slidably connected with the support leg seat. The utility model is suitable for the self-locking of the support legs of the mechanical support points of the suspended inner support of the shaft, culvert, tunnel and other projects, and has the characteristics of simple structure, safety and reliability, convenient use and strong applicability.

[0033] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific implementation methods, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the utility model without departing from the scope of the technical solution of the utility model, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A self-locking member for a mechanical support leg in a hoistway, characterized in that: It comprises a friction base plate (1) in a convex arc shape and a supporting leg seat (2) on its upper surface; The bottom surface of the friction bottom plate (1) is a friction surface, and the friction surface is in direct contact with the inner wall (3) of the well; The upper surface of the support leg seat (2) is provided with an arc-shaped sliding groove (21); the groove bottom plate of the arc-shaped sliding groove (21) is thin at the front and thick at the rear; the bottom of the support leg (4) is limited in the arc-shaped sliding groove (21) and is slidably connected to the support leg seat (2).

2. The self-locking member for supporting mechanical legs in the hoistway according to claim 1, characterized in that: The friction surface is a sawtooth friction surface (11).

3. The self-locking member for supporting legs of a mechanical support in a hoistway according to claim 1, characterized in that: Arc-shaped through holes (22) are formed on both sides of the arc-shaped sliding groove (21); a bolt (23) passes through the arc-shaped through hole (22) and the bottom of the support leg (4), and the support leg (4) is restricted in the arc-shaped sliding groove (21) by a nut (24).

4. The self-locking member for supporting legs of a hoistway inner support machine according to claim 1, 2 or 3, characterized in that: The friction base plate (1) and the support leg seat (2) on its upper surface are integrally cast.

5. The self-locking member for supporting legs of a mechanical support in a hoistway according to claim 4, characterized in that: The friction base plate (1) and the support leg seat (2) on its upper surface are made of a material selected from the group consisting of cast iron, steel, alloy steel, and steel-plastic.

Images