CN216042800U

CN216042800U - Protective device for digging foundation of power transmission line iron tower

Info

Publication number: CN216042800U
Application number: CN202122029792.3U
Authority: CN
Inventors: 刘骨所
Original assignee: Yunnan Dianlong Line Equipment Co ltd
Current assignee: Hebei Boxi Electric Power Engineering Co.,Ltd.
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-15
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a protective device for a drawing and digging foundation of a power transmission line iron tower, which comprises a shell, wherein connecting plates are inserted into the inner surfaces of the left side and the right side of the shell, expansion plates are fixedly connected to the outer sides of the connecting plates, a plurality of spines are fixedly connected to the outer sides of the expansion plates, thread sleeves are arranged on the inner surfaces of the middle ends of the inner sides of the connecting plates, a threaded rod is rotatably connected to the middle end of an inner cavity of the shell, the threaded rod is in threaded connection with the inner surfaces of the thread sleeves in a threaded mode, a rotating handle is fixedly connected to the middle end of the outer surface of the threaded rod, supporting rods are fixedly connected to the left side and the right side of the bottom of the shell and are symmetrically arranged, and transverse plates are fixedly connected to the bottoms of the supporting rods. The utility model is provided with the expansion plate, the transverse plate, the connecting plate and the rotating handle, achieves the purpose of convenient use, and solves the problem that the existing protection device cannot meet the use requirement of people because the existing protection device does not have the function of convenient use.

Description

Protective device for digging foundation of power transmission line iron tower

Technical Field

The utility model relates to the technical field of power transmission line iron towers, in particular to a protective device for a power transmission line iron tower digging foundation.

Background

The power transmission line iron tower is a tower-shaped building for power transmission, and its structure is characterized by that all tower types are space truss structures, and its rod member is mainly formed from single equilateral angle steel or combined angle steel, and its whole tower is formed from angle steel, connecting steel plate and bolt, and its individual component, such as tower foot, etc. is formed from several steel plates which are welded into a combined component, so that it is very convenient for hot-galvanized corrosion-proofing, transportation and construction, and when the iron tower is mounted, the foundation-embedded foundation must be dug, and in which the protection device for digging foundation of power transmission line iron tower is related, and its existent protection device possesses no convenient function, and can not meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective device for a power transmission line iron tower excavation foundation, which has the advantage of convenience in use and solves the problem that the existing protective device cannot meet the use requirements of people due to the fact that the existing protective device does not have the function of convenience in use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a protection device for foundation is drawn to transmission line iron tower, includes the casing, the internal surface of the casing left and right sides all is pegged graft and is had the connecting plate, the equal fixedly connected with expansion plate in the outside of connecting plate, a plurality of spines of outside fixedly connected with of expansion plate, the internal surface of the inboard middle-end of connecting plate all is provided with the thread bush, the middle-end rotation of casing inner chamber is connected with the threaded rod, threaded rod threaded connection is in the internal surface of thread bush, the middle-end fixedly connected with rotation handle of threaded rod surface.

Preferably, the left side and the right side of the bottom of the shell are fixedly connected with supporting rods, and the supporting rods are symmetrically arranged.

Preferably, the bottom of the supporting rod is fixedly connected with a transverse plate, and fixing holes are formed in the left end and the right end of the transverse plate.

Preferably, the shell comprises a substrate layer, the top of the substrate layer is fixedly connected with an ultra-high strength steel layer, and the bottom of the substrate layer is fixedly connected with a zinc alloy layer.

Preferably, the thickness of the ultra-high strength steel layer is the same as that of the zinc alloy layer, and the thickness of the zinc alloy layer is 0.44-0.49 times of that of the base layer.

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

the device is provided with the expansion plate, the transverse plate, the connecting plate and the rotating handle, the device is placed at the bottom of the foundation pit, the transverse plate is fixed at the bottom of the foundation pit, people are located below the shell, when people excavate at the bottom of the foundation pit, no way is provided for completely preventing soil blocks and gravels on the pit from falling or even collapsing, people rotate the handle to enable the threaded rod to rotate, the threaded rod drives the connecting plate to move outwards through the threaded sleeve, the connecting plate drives the expansion plate to move outwards, the expansion plate drives the spines to move outwards to penetrate into the inner wall of the pit, the device is fixed, the ultrahigh-strength steel layer and the zinc alloy layer which are included in the shell have high strength, the purpose of convenience in use is achieved, and the problem that the use requirements of people cannot be met due to the fact that the existing protection device does not have the function of convenience in use is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a threaded rod of the present invention;

fig. 3 is a schematic sectional structure view of the housing of the present invention.

In the figure: 1. a housing; 101. a base layer; 102. an ultra-high strength steel layer; 103. a zinc alloy layer; 2. pricking with a sharp point; 3. a support bar; 4. an expansion plate; 5. a transverse plate; 6. a connecting plate; 7. rotating the handle; 8. a threaded rod; 9. and (4) a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The shell 1, the base layer 101, the ultra-high strength steel layer 102, the zinc alloy layer 103, the spikes 2, the support rods 3, the expansion plates 4, the transverse plate 5, the connecting plate 6, the rotating handle 7, the threaded rods 8 and the threaded sleeves 9 are all universal standard parts or parts known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a protection device for digging foundation of power transmission line iron tower comprises a shell 1, wherein support rods 3 are fixedly connected to the left side and the right side of the bottom of the shell 1, the support rods 3 are symmetrically arranged, transverse plates 5 are fixedly connected to the bottoms of the support rods 3, fixing holes are formed in the left end and the right end of each transverse plate 5, the shell 1 comprises a base layer 101, an ultra-high strength steel layer 102 is fixedly connected to the top of the base layer 101, a zinc alloy layer 103 is fixedly connected to the bottom of the base layer 101, the thickness of the ultra-high strength steel layer 102 is the same as that of the zinc alloy layer 103, the thickness of the zinc alloy layer 103 is 0.44-0.49 times of that of the base layer 101, connecting plates 6 are inserted into the inner surfaces of the left side and the right side of the shell 1, expansion plates 4 are fixedly connected to the outer sides of the connecting plates 6, a plurality of spines 2 are fixedly connected to the outer sides of the expansion plates 4, threaded sleeves 9 are arranged on the inner surfaces of the middle ends of the connecting plates 6, the middle end of the inner cavity of the shell 1 is rotatably connected with a threaded rod 8, the threaded rod 8 is in threaded connection with the inner surface of a threaded sleeve 9, the middle end of the outer surface of the threaded rod 8 is fixedly connected with a rotating handle 7, an expansion plate 4, a transverse plate 5, a connecting plate 6 and the rotating handle 7 are arranged, the device is placed at the bottom of a foundation pit, the transverse plate 5 is fixed at the bottom of the foundation pit, people are located below the shell 1, when people excavate at the bottom of the foundation pit, soil blocks and gravels on the pit cannot be completely prevented from falling or even collapsing, people rotate the threaded rod 8 by rotating the handle 7, the threaded rod 8 drives the connecting plate 6 to move towards the outside through the threaded sleeve 9, the connecting plate 6 drives the expansion plate 4 to move towards the outside, the expansion plate 4 drives the spine 2 to move towards the outside, the inner wall of the pit goes deep into the inner wall of the pit, the device is fixed, and the ultrahigh-strength steel layer 102 and the zinc alloy layer 103 which are included in the shell 1 have very high strength, the purpose of convenient use is achieved.

When in use, the expansion plate 4 and the transverse plate 5 are arranged, connecting plate 6 and rotation handle 7, put the bottom of foundation pit with the device, fix diaphragm 5 in the bottom of foundation pit, people are located casing 1's below, people are when the bottom excavation of foundation pit, there is clod and rubble to drop or even collapse above avoiding the pot hole completely, people make threaded rod 8 rotate through rotating handle 7, threaded rod 8 drives connecting plate 6 outside lateral movement through thread bush 9, connecting plate 6 drives expansion plate 4 outside lateral movement, expansion plate 4 drives spine 2 outside lateral movement, go deep into the inner wall of pot hole, fix the device, casing 1 includes super high strength steel layer 102 and zinc alloy layer 103 all have very high intensity, the purpose that facilitates the use has been reached, the function that does not possess the facilitate the use of current protector has been solved, lead to the problem that people's user demand can not be satisfied.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission line iron tower is drawn and is dug protector for foundation, includes casing (1), its characterized in that: the internal surface of casing (1) the left and right sides all pegs graft and have connecting plate (6), the equal fixedly connected with expansion plate (4) in the outside of connecting plate (6), a plurality of spine (2) of outside fixedly connected with of expansion plate (4), the internal surface of the inboard middle-end of connecting plate (6) all is provided with thread bush (9), the middle-end rotation of casing (1) inner chamber is connected with threaded rod (8), threaded rod (8) threaded connection is in the internal surface of thread bush (9), the middle-end fixedly connected with of threaded rod (8) surface rotates handle (7).

2. The protection device for the digging foundation of the power transmission line iron tower according to claim 1, characterized in that: the left side and the right side of the bottom of the shell (1) are fixedly connected with supporting rods (3), and the supporting rods (3) are symmetrically arranged.

3. The protection device for the digging foundation of the power transmission line iron tower according to claim 2, characterized in that: the bottom fixedly connected with diaphragm (5) of bracing piece (3), and the fixed orifices has all been seted up at both ends about diaphragm (5).

4. The protection device for the digging foundation of the power transmission line iron tower according to claim 1, characterized in that: the shell (1) comprises a base layer (101), wherein the top of the base layer (101) is fixedly connected with an ultrahigh-strength steel layer (102), and the bottom of the base layer (101) is fixedly connected with a zinc alloy layer (103).

5. The protection device for the digging foundation of the power transmission line iron tower according to claim 4, characterized in that: the thickness of the ultrahigh-strength steel layer (102) is the same as that of the zinc alloy layer (103), and the thickness of the zinc alloy layer (103) is 0.44-0.49 times of that of the substrate layer (101).