CN209923751U - Movable gap bridge of cable trench - Google Patents
Movable gap bridge of cable trench Download PDFInfo
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- CN209923751U CN209923751U CN201920187021.7U CN201920187021U CN209923751U CN 209923751 U CN209923751 U CN 209923751U CN 201920187021 U CN201920187021 U CN 201920187021U CN 209923751 U CN209923751 U CN 209923751U
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- gap bridge
- angle steel
- cable trench
- movable gap
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Abstract
The utility model discloses a cable pit activity gap bridge aims at solving present cable pit gap bridge's use material many, the poor not enough of flexibility. The utility model discloses an including the angle steel and a plurality of compound pipes of connection on two angle steel relevant positions of two relative settings, compound pipe includes fat pipe and tubule, and fat pipe and tubule pass through fastener fastening connection. The hollow steel pipes are sleeved, so that the device is flexible in structure and flexible, the width of various cable ducts is met, and the device is small in size and convenient to carry after being contracted; angle steel, steel pipes and bolts can be obtained in situ in the power transformation construction, and the cost is low; the cable duct is not easy to slide, the movable gap bridge cannot slide into the cable duct, and the safety is good because the heavy object passes through the cable duct and bounces.
Description
Technical Field
The utility model relates to a power station construction auxiliary facilities field, more specifically say, it relates to a cable pit activity gap bridge.
Background
The large-scale transformer substation comprises a plurality of voltage-class devices, field devices are various, the field is large, the cable laying amount is large, the number of cable trenches is large, and the width size is complex. In the construction process of power transformation basic construction, reconstruction and extension and technical reconstruction projects, the cable laying and the installation of electrical equipment are related. During construction, the cable cover plate cannot be installed. If the operator needs to carry equipment and tools to a working area, the operator must cross over the cable trench, and the process has great potential safety hazard to cables, personnel and carried equipment cables, so that temporary cable trench bridging is indispensable.
At present, in a transformer substation, a temporary cable trench gap bridge is firm and durable, but the temporary cable trench gap bridge is complex to manufacture and uses a large amount of materials.
The Chinese patent publication No. CN201710514551.3, entitled multifunctional gap bridge device, discloses a multifunctional gap bridge device, which comprises a base, wherein a slewing bearing is arranged on the base, and a tower body is arranged on the slewing bearing; the bridge body is hinged with the upper end of the tower body, an oil cylinder is arranged at the lower part of the tower body, and a push rod of the oil cylinder is connected with the bridge body; the bridge body comprises a fixed gap bridge and a movable gap bridge, the movable gap bridge can be relatively fixed and can stretch out and draw back, a winch is installed on the movable gap bridge, a landing device is installed on the bottom surface of the outer end of the movable gap bridge, and the outer end of the movable gap bridge is connected with an auxiliary walking ladder. The structure of the device is complex and heavy, and the device is difficult to satisfy the projects of power transformation capital construction, reconstruction and extension, technical reconstruction project construction and the like, and has the characteristics of more used materials, poor flexibility and the like.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes present cable pit gap bridge's use material is many, and the poor not enough of flexibility provides a cable pit activity gap bridge, and it can provide a preparation convenience, simple structure's cable pit activity gap bridge.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a cable pit activity gap bridge, includes the angle steel of two relative settings and a plurality of compound pipe of connection on two angle steel relevant position, and compound pipe includes thick pipe and tubule, and thick pipe and tubule pass through fastener fastening connection.
The novel cable trench gap bridge is manufactured by adopting a method of sleeving two hollow steel pipes with different sizes and fixing two ends of the steel pipes to angle steel, the steel pipes and the bolts can be obtained in situ in the power transformation construction, and the cost is low. And angle steel is arranged at two ends of the cable trench. A bridge formed by composite pipes and treaded on the angle steel by a person has strong reliability.
Preferably, the composite pipe is welded and fixed on the angle steel. The welding mode is simple and convenient, and the reliability is strong.
Preferably, the composite pipes are arranged on the angle steel at equal intervals. The stress is even, and the space between the composite pipes is small enough to prevent the feet from being clamped in the gap.
Preferably, a plurality of limiting holes are formed in the axial direction of the thin tube connected with the two ends of the angle steel, and the thick tube and the thin tube are fixed through the limiting holes. The thick pipe end has the hole site, and the hole site makes the change that compound pipe can realize different length with the spacing hole cooperation in different positions, adapts to the cable pit of different length, and general strong.
Preferably, the outer wall of the composite pipe is provided with convex anti-skid salient points. The anti-slip salient points enhance the friction force between the shoe and the composite pipe and prevent people from slipping on the composite pipe. The antiskid salient points can be arranged on the antiskid sleeve, and the antiskid sleeve is sleeved on the composite pipe.
Preferably, one surface of the angle steel, which is attached to the ground, is connected with a non-slip mat. The friction force between the angle steel and the ground is enhanced, and the phenomenon that the sliding gap bridge slides to a section of suspended position to cause overturning is avoided.
Preferably, one end of each angle steel, which is close to the other angle steel, is provided with a limiting flanging. The limiting flanging is abutted against the side wall of the cable duct, so that the movable gap bridge cannot fall off or rotate from the cable duct, and the safety risk is reduced.
Preferably, the bottom of the movable gap bridge of the cable trench is connected with an anti-leakage net. When people and machines pass through the movable gap bridge of the cable trench, objects with the size capable of passing through the gap between the composite pipes inevitably fall into the cables at the bottom, and the objects are difficult and dangerous to find from the cables. The leakage-proof net is arranged to avoid the situation, and the falling objects only need to be fished from the leakage-proof net.
Preferably, the two limiting flanges are provided with elastic pressing plates facing the side wall direction of the cable duct. Because the gap is inevitably left between the angle iron and the ground, when the movable gap bridge quickly runs through heavy objects or people, the movable gap bridge can jump out of a preset position, and safety risks are caused. The elastic pressing plate comprises a pressing plate with a friction strip and an elastic piece connected to the limiting flanging and the pressing plate. The pressing plate is pressed on the side wall of the cable trench by the elastic piece, and pressure is converted into friction force. When the movable gap bridge jumps, the friction force can prevent the movable gap bridge from jumping out completely. The movable gap bridge can be restored to the original position during the subsequent stepping process of people.
Compared with the prior art, the beneficial effects of the utility model are that: (1) the hollow steel pipes are sleeved, so that the device is flexible in structure and flexible, the width of various cable ducts is met, and the device is small in size and convenient to carry after being contracted; (2) angle steel, steel pipes and bolts can be obtained in situ in the power transformation construction, and the cost is low; (3) the cable duct is not easy to slide, the movable gap bridge cannot slide into the cable duct, and the safety is good because the heavy object passes through the cable duct and bounces.
Drawings
Fig. 1 is a plan view of embodiment 1 of the present invention;
fig. 2 is a schematic front view of embodiment 2 of the present invention;
in the figure: 1. angle steel, 2, compound pipe, 3, thick pipe, 4, tubule, 5, spacing hole, 6, anti-skidding bump, 7, slipmat, 8, spacing turn-ups, 9, leak protection net, 10, elastic pressing plate, 11, elastic component, 12, clamp plate.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example 1:
the utility model provides a cable pit activity gap bridge, includes two angle steel 1 and a plurality of compound pipe 2 of connection on two angle steel 1 relevant positions that set up relatively, and compound pipe 2 includes thick pipe 3 and tubule 4, and thick pipe 3 and tubule 4 pass through fastener fastening connection.
The novel cable trench gap bridge is manufactured by adopting a method of sleeving two hollow steel pipes with different sizes and fixing two ends of the steel pipes to the angle steel 1, the steel pipes and the bolts can be obtained in situ in the power transformation construction, and the cost is low. The angle steel 1 is arranged at two ends of the cable trench. A bridge formed by the composite pipes 2 treaded on the angle steel 1 by a person has strong reliability.
The composite pipe 2 is welded and fixed on the angle steel 1. The welding mode is simple and convenient, and the reliability is strong.
The composite pipes 2 are arranged on the angle steel 1 at equal intervals. The stress is uniform and the space between the composite tubes 2 is small enough to prevent the feet from being clamped into the gap.
Be equipped with a plurality of spacing holes 5 on 4 axial directions of tubule that angle steel 1 both ends are connected, thick pipe 3 and tubule 4 are fixed through spacing hole 5. The end part of the thick pipe 3 is provided with a hole site, the hole site is matched with the limit holes 5 at different positions, so that the composite pipe 2 can realize the change of different lengths, is suitable for cable ditches with different lengths, and has strong universality.
Example 2:
this embodiment further includes, on the basis of embodiment 1:
the outer wall of the composite pipe 2 is provided with convex anti-skid salient points 6. The anti-skid salient points 6 enhance the friction force between the shoe and the composite pipe 2 and prevent people from slipping on the composite pipe 2. The anti-skid salient points 6 can be arranged on the anti-skid sleeve, and the anti-skid sleeve is sleeved on the composite pipe 2.
One surface of the angle steel 1 attached to the ground is connected with an anti-slip pad 7. The friction force between the angle steel 1 and the ground is enhanced, and the phenomenon that the sliding gap bridge slides to a section of suspension position to cause overturning is avoided.
One end of the angle steel 1 close to the other angle steel 1 is provided with a limiting flanging 8. The limiting flanging 8 is abutted to the side wall of the cable duct, so that the movable gap bridge cannot fall off or rotate from the cable duct, and the safety risk is reduced.
The bottom of the cable trench movable gap bridge is connected with a leakage-proof net 9. When people and machines pass through the movable bridge of the cable trench, objects with the size capable of passing through the gap between the composite pipes 2 inevitably fall into the cables at the bottom, and the objects are difficult and dangerous to find from the cables. The leakage-proof net 9 is arranged to avoid the situation, and the falling objects only need to be fished from the leakage-proof net 9.
Two spacing turn-ups 8 are equipped with the elastic pressure plate 10 towards the cable pit lateral wall direction. Because the gap is inevitably left between the angle iron and the ground, when the movable gap bridge quickly runs through heavy objects or people, the movable gap bridge can jump out of a preset position, and safety risks are caused. The elastic pressure plate 10 comprises a pressure plate 12 with a friction strip and an elastic piece 11 connected to the limiting flange 8 and the pressure plate 12. The pressing plate 12 is pressed on the side wall of the cable trench by the elastic member 11, and the pressure is converted into friction force. When the movable gap bridge jumps, the friction force can prevent the movable gap bridge from jumping out completely. The movable gap bridge can be restored to the original position during the subsequent stepping process of people.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.
Claims (9)
1. The utility model provides a cable pit activity gap bridge, characterized by includes two angle steel that set up relatively and a plurality of compound pipes of connection on two angle steel relevant position, and compound pipe includes thick pipe and tubule, and thick pipe and tubule pass through fastener fastening connection.
2. The cable trench movable gap bridge of claim 1, wherein the composite pipe is welded and fixed on the angle steel.
3. The cable trench movable gap bridge of claim 1, wherein the composite pipes are arranged on the angle steel at equal intervals.
4. The cable trench movable gap bridge of claim 2, wherein the narrow tubes connected to the two ends of the angle steel are provided with a plurality of limiting holes in the axial direction, and the thick tubes and the narrow tubes are fixed through the limiting holes.
5. The cable trench movable gap bridge of claim 1, wherein the composite pipe is provided with a convex anti-slip bump on the outer wall.
6. The cable trench movable gap bridge of claim 5, wherein one surface of the angle steel, which is attached to the ground, is connected with a non-slip mat.
7. The cable trench movable gap bridge of claim 1, wherein one end of each angle steel close to the other angle steel is provided with a limiting flange.
8. The cable trench movable gap bridge according to any one of claims 1 to 7, wherein a leakage-proof net is connected to the bottom of the cable trench movable gap bridge.
9. The cable trench movable gap bridge of claim 8, wherein the two limiting flanges are provided with elastic pressing plates facing the side wall of the cable trench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187021.7U CN209923751U (en) | 2019-02-02 | 2019-02-02 | Movable gap bridge of cable trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187021.7U CN209923751U (en) | 2019-02-02 | 2019-02-02 | Movable gap bridge of cable trench |
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| Publication Number | Publication Date |
|---|---|
| CN209923751U true CN209923751U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920187021.7U Active CN209923751U (en) | 2019-02-02 | 2019-02-02 | Movable gap bridge of cable trench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546383A (en) * | 2020-05-12 | 2020-08-18 | 中科开创（广州）智能科技发展有限公司 | Elbow for tower-crossing bridging equipment of tower-standing robot |
-
2019
- 2019-02-02 CN CN201920187021.7U patent/CN209923751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546383A (en) * | 2020-05-12 | 2020-08-18 | 中科开创（广州）智能科技发展有限公司 | Elbow for tower-crossing bridging equipment of tower-standing robot |
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