CN215221679U - Cable trench spanning device supporting large load - Google Patents

Abstract

The utility model belongs to electric power construction utensil field, concretely relates to support cable pit spanning device of heavy load. The utility model comprises a supporting component and a crossing component; the supporting component is vertically arranged in the cable trench and is higher than the cable trench; the crossing component is horizontally arranged above the supporting component and connected with the supporting component to form a channel crossing the cable trench. The device is convenient to assemble and disassemble and transport, and stress points at two ends of the spanning assembly are far away from the wall of the cable trench when the device is used, so that the inner wall of the cable trench is protected from being damaged by extrusion; and effectively guarantee that the atress is concentrated on the supporting component when strideing across the device middle part, promote the security that the vehicle of heavy load strideed across the cable pit.

Description

Cable trench spanning device supporting large load

Technical Field

The utility model belongs to electric power construction utensil field, concretely relates to support cable pit spanning device of heavy load.

Background

The cable trench is an underground pipeline for laying and replacing electric power or telecommunication cable facilities, is also an enclosure structure of laid cable facilities, and has pipeline structure forms of rectangle, circle, arch and the like. The power enterprise's safety regulations' stipulate that vehicles are strictly prohibited from directly passing through the cable trench cover plate. However, with the rapid development of economy in China, the power use load in China is gradually increased, and in order to meet the use requirements, the extension and capacity increase engineering of the transformer substation becomes the normal state of current power construction. In the operation of the substation extension project, high-place installation procedures such as bus lower part isolating switch hoisting, equipment connection line manufacturing and installation, suspended porcelain suspension and the like need to be participated by a crane, a hoisting vehicle needs to go in and out of a construction area for many times, and the situations that the distance between the movable range of the hoisting machinery and a construction site is long and the movable angle is limited due to the blockage of a cable trench exist in the actual construction process on site, so that the construction scheme needs to be adjusted, and the construction difficulty is increased.

Conventional solutions include: the grade of the crane is improved, the scaffold is used for replacing the crane, and a channel wood steel plate is used for passing through a cable trench. However, because of the dense field equipment, it is not suitable for larger size cranes; the scaffold cannot meet the installation requirements of equipment; the large-area steel plate is laid to traditional mode paddings, cable pit top in the cable pit, and this not only needs more manual work and mechanical bench, all weight all exert pressure on the trench wall of cable pit when leading to the vehicle to pass through moreover, have the risk of destroying the cable pit.

Disclosure of Invention

The utility model aims at providing a support cable pit crossing device of heavy load, the device can not only support special type working vehicle to carry out the operation through the cable pit, easy dismounting is convenient for transport moreover, need not the ditch wall bearing of cable pit during the use.

In order to achieve the above object, the utility model adopts the following technical scheme, include:

a cable trench spanning apparatus for supporting a large load, comprising: comprises a supporting component and a spanning component; the supporting component is vertically arranged in the cable trench and is higher than the cable trench; the crossing component is horizontally arranged above the supporting component and connected with the supporting component to form a channel crossing the cable trench.

Preferably, the spanning assembly comprises a slope plate, a flat plate and a slope bearing frame; the slope bearing frame is fixedly connected to the bottom of the slope plate; the slope plates are symmetrically connected to two ends of the flat plate.

Preferably, the support assembly comprises a load bearing member and a load bearing support; the bearing support is connected with the top end of the bearing component.

Preferably, the load-bearing support comprises four struts and a load-bearing tray; the bottom ends of the four supporting rods are fixedly connected to the bearing tray, and the top ends of the four supporting rods are connected to the bottoms of the four corners of the flat plate through nut bolts to uniformly bear the flat plate; the bearing tray is sleeved on the bearing component.

Preferably, the bottom of the slope plate at least comprises two slope bearing frames; the slope bearing frame and the bottom of the slope plate are connected to form a triangular supporting structure, and stable support is provided for the front end of the slope plate.

Preferably, the two ends of the slope plate and the flat plate are provided with butt joint clamping grooves or connecting plates with nut holes; the slope plate and the flat plate are connected through a butt joint clamping groove or connected through a connecting plate by a high-strength bolt, and the connection part is in smooth transition.

Preferably, the load-bearing part is a jack or a hydraulic load-bearing column, and the height of the jack or the hydraulic load-bearing column can be adjusted.

Preferably, the two sides of the flat plate are provided with butt joint holes, and the butt joint holes of the other flat plate are connected through nut bolts to form the spanning assembly in parallel connection.

Preferably, the slope plate and the flat plate are provided with anti-skid steel bars at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a supporting component adopts detachable pin-connected panel structure with strideing across the subassembly, the installation of the device of being convenient for, dismantlement, transport and deposit.

2. The utility model discloses a bearing support can effectively guarantee to stride across device middle part atress and concentrate on jack roof impetus region, need not cable pit inner wall bearing, has effectively protected the finished product quality of cable pit, has also increased the reliability of device structure simultaneously, has promoted the safety and stability coefficient.

3. The utility model discloses a domatic bearing frame constitutes triangle-shaped bearing structure with the front end of ramp, can strengthen the stability of ramp bearing, and effectively guarantees to stride across device both ends atress position and keep away from the cable pit wall, prevents to destroy the cable pit inner wall structure because of the too near extrusion soil of distance, has effectively protected the finished product quality of cable pit.

4. The utility model discloses an evenly set up anti-skidding reinforcing bar on ramp and the flat board, the tire of vehicle is strideed across in effective increase and the frictional force between the device, takes place the vehicle and sideslips when preventing to stride across.

Drawings

Fig. 1 is a front view of the structure of the present invention.

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

The utility model discloses each reference numeral is as follows with the actual corresponding relation of part name:

10-slope plate 11-slope bearing frame

20-flat plate 21-butt joint hole 22-high-strength nut bolt

30-load bearing part 31-load bearing support

40-antiskid steel bar

Detailed Description

For ease of understanding, the specific structure and operation of the present invention is further described herein as follows:

the specific implementation structure of the utility model can be seen in figures 1-2: the supporting component is vertically arranged in the cable trench, the middle part of the spanning component is arranged above the supporting component and is fixedly connected with the supporting component, and two ends of the spanning component are horizontally arranged on two banks of the cable trench to form a channel spanning the cable trench.

As shown in fig. 1: the bearing part 30 is vertically placed in the cable trench, and the bearing support 31 is sleeved on the top of the bearing part 30. The flat plate 20 is horizontally placed on the bearing support 31, and the bottoms of the four corners of the flat plate 20 are connected with the top ends of the four support rods of the bearing support 31 through bolts. The slope bearing frame 11 is fixedly connected to the bottom of the front end of the slope plate 10; the slope plate 10 is symmetrically connected to the two ends of the flat plate 20 through a high-strength bolt 22 passing through the connecting plate.

As shown in fig. 2: the antiskid reinforcing steel bars are uniformly distributed on the slope plate 10 and the flat plate 20. The bearing tray is positioned in the center of the flat plate 20, is fixedly connected with the bottom ends of the four support rods of the bearing support, and is sleeved on the bearing part 30.

The utility model discloses during specific operation: the worker first places the load bearing member 30 vertically in the cable trench and then fits the load bearing bracket 31 onto the load bearing member 30. The flat plate 20 is horizontally placed on the load-bearing support 31 and is connected to the two by bolts. And then the slope plates 10 are placed at the two ends of the flat plate 20, and the connecting plates at the two ends are aligned and then are fixedly connected by penetrating high-strength bolts 22. Finally, the height of the bearing part 30 is adjusted, so that the slope bearing frame 11 connected with the bottom of the front end of the slope plate 10 is stressed and evenly attached to the ground, is not contacted with the wall of the cable trench and is not extruded, and finally, a channel crossing the cable trench is formed. If a group of spanning devices is required to be added when the vehicle passes through the cable trench, the spanning devices can be connected in parallel through the butt holes 21 on the two sides of the flat plate 20 to form a wider channel spanning the cable trench.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. A cable trench spanning device for supporting large load is characterized by comprising a supporting component and a spanning component; the supporting component is vertically arranged in the cable trench and is higher than the cable trench; the crossing component is horizontally arranged above the supporting component and connected with the supporting component to form a channel crossing the cable trench.

2. A cable trench spanning device for supporting a large load according to claim 1, wherein the spanning assembly comprises a ramp plate (10), a flat plate (20) and a ramp bearing frame (11); the slope bearing frame (11) is fixedly connected to the bottom of the slope plate (10); the slope plates (10) are symmetrically connected to two ends of the flat plate (20).

3. A cable trench spanning device for supporting a large load according to claim 2, wherein the support assembly comprises a load bearing member (30) and a load bearing bracket (31); the bearing support (31) is connected with the top end of the bearing component (30).

4. A cable trench spanning device for supporting a large load according to claim 3, wherein the load bearing support (31) comprises four legs and a load bearing tray; the bottom ends of the four support rods are fixedly connected to the bearing tray, and the top ends of the four support rods are connected to the bottoms of four corners of the flat plate (20) through nut bolts to uniformly bear the flat plate (20); the bearing tray is sleeved on the bearing part (30).

5. A cable trench spanning device for supporting a large load according to claim 2, wherein the bottom of the ramp plate (10) comprises at least two ramp bearing frames (11); the slope bearing frame (11) and the bottom of the front end of the slope plate (10) are connected to form a triangular supporting structure.

6. The cable trench crossing device for supporting large loads according to claim 2, wherein the rear end of the slope plate (10) and the two ends of the flat plate (20) are provided with butt-joint clamping grooves or connecting plates with nut holes; the slope plate (10) and the flat plate (20) are connected through a butt joint clamping groove or connected through a connecting plate by a high-strength bolt (22), and the connection part is in smooth transition.

7. A cable trench spanning device for supporting a large load according to claim 3, wherein the load bearing member (30) is a jack or a hydraulic load bearing column which can be adjusted in height.

8. A cable trench spanning device for supporting large load according to claim 2, wherein the two sides of the flat plate (20) are provided with butt holes (21), and the butt holes (21) of the other flat plate (20) are connected through nuts and bolts to form a spanning assembly in parallel.

9. A cable trench spanning apparatus for supporting a large load according to claim 2, wherein the slope plate (10) and the flat plate (20) are provided with anti-slip reinforcing bars (40) at equal intervals.

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