CN209881285U - Groove type bridge - Google Patents
Groove type bridge Download PDFInfo
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- CN209881285U CN209881285U CN201920821470.2U CN201920821470U CN209881285U CN 209881285 U CN209881285 U CN 209881285U CN 201920821470 U CN201920821470 U CN 201920821470U CN 209881285 U CN209881285 U CN 209881285U
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Abstract
The utility model relates to a slot type crane span structure belongs to electrical engineering technical field. The groove type bridge frame comprises two side plates which are symmetrically arranged and a bottom plate which is arranged between the bottoms of the two side plates, wherein waist-shaped lightening holes are uniformly arranged on the bottom plate at intervals, first grooves are symmetrically formed at two ends of each waist-shaped lightening hole, and the first grooves are arranged along the length direction of the bottom plate; the middle parts of the two side plates are respectively provided with a second groove, the upper ends of the side plates are provided with a connecting plate, one side of the connecting plate far away from the side plates is provided with a reinforcing rib, and the cross section of the reinforcing rib is L-shaped. The utility model discloses a two blocks of curb plates middle parts of slot type crane span structure have the second recess respectively, and curb plate upper end system has the connecting plate, and one side system that the curb plate was kept away from to the connecting plate has the strengthening rib, and the cross-section of strengthening rib is "L" type, through the cooperation of second recess, connecting plate and strengthening rib for the mechanical strength greatly increased of two blocks of curb plates, under the condition that does not increase curb plate thickness and quality, guaranteed the intensity of curb plate, make the curb plate not fragile and warp.
Description
Technical Field
The utility model relates to a slot type crane span structure belongs to electrical equipment technical field.
Background
The bridge is an essential device for cable installation, and the groove type bridge is a common bridge. The groove type cable bridge is a totally enclosed cable bridge, is most suitable for laying computer cables, communication cables, thermocouple cables and control cables of other high-sensitivity systems, and has good effects on shielding interference of the control cables and protection of the cables in a heavy corrosion environment.
The trough type bridge frame is a rigid structure system with closely-connected supporting cables, which is formed by straight line sections, bent-through sections, assemblies, supporting arms, hanging frames and the like of a tray or a ladder frame, is a trough type part bent by a whole steel plate, and is conceptually distinguished by different height-width ratios, shallow and wide tray frames and certain depth and sealing performance. Many slot type crane span structures on the existing market are not enough in rigidity strength, heavy in weight, not long in service life and bring great inconvenience to later maintenance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, it is not enough to prior art, provide a intensity height, the light slot type crane span structure of dead weight.
The utility model discloses a solve the technical scheme that above-mentioned technical problem provided and be: a trough type bridge frame comprises two side plates which are symmetrically arranged and a bottom plate which is arranged between the bottoms of the two side plates, wherein waist-shaped lightening holes are uniformly arranged on the bottom plate at intervals, first grooves are symmetrically formed in two ends of each waist-shaped lightening hole, and the first grooves are arranged along the length direction of the bottom plate; the middle parts of the two side plates are respectively provided with a second groove, the upper ends of the side plates are provided with a connecting plate, one side of the connecting plate far away from the side plates is provided with a reinforcing rib, and the cross section of the reinforcing rib is L-shaped.
The improvement of the technical scheme is as follows: the edge of the waist-shaped lightening hole is provided with a circle of convex edge.
The improvement of the technical scheme is as follows: the sunken direction of first recess is vertical upwards.
The improvement of the technical scheme is as follows: the surface of the connecting plate is evenly provided with connecting holes at intervals.
The improvement of the technical scheme is as follows: at least one mounting hole is respectively arranged at two ends of the two side plates.
The improvement of the technical scheme is as follows: the surfaces of the two side plates and the bottom plate are plated with zinc layers, and the thickness of the zinc layers is 110-140 mu m.
The improvement of the technical scheme is as follows: the length of bottom plate is 3000mm, and the width of bottom plate is 500mm, and thickness is 2 mm.
The improvement of the technical scheme is as follows: the width of the first groove is 22.5mm, the depth of the first groove is 1mm, and the depth of the second groove is 10 mm.
The improvement of the technical scheme is as follows: the height of the side plate is 75 mm.
The improvement of the technical scheme is as follows: the width of the connecting plate is 35 mm.
The utility model adopts the above technical scheme's beneficial effect is:
(1) the middle parts of two side plates of the groove type bridge frame are respectively provided with a second groove, the upper ends of the side plates are provided with connecting plates, one side of the connecting plate, which is far away from the side plates, is provided with a reinforcing rib, the section of the reinforcing rib is L-shaped, the mechanical strength of the two side plates is greatly increased through the matching of the second groove, the connecting plates and the reinforcing rib, the strength of the side plates is ensured under the condition of not increasing the thickness and the quality of the side plates, and the side plates are not easy to damage and deform;
(2) the utility model discloses a bottom plate evenly spaced apart of slot type crane span structure is equipped with waist type lightening hole, and the both ends symmetrical system of waist type lightening hole has first recess, and the edge system of waist type lightening hole has the protruding stupefied of round, through waist type lightening hole, first recess and protruding stupefied setting, when lightening the bottom plate quality, has increased the intensity of bottom plate, has reduced the steel cost and has prolonged life, has apparent progress for traditional slot type crane span structure.
(3) The utility model discloses a zinc layer has been plated on two blocks of curb plates and the bottom plate surface of slot type crane span structure, has improved the corrosion resisting property of slot type crane span structure, has prolonged life.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a trough bridge according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cross section of a trough bridge according to an embodiment of the present invention;
fig. 3 is a schematic front view of a trough bridge according to an embodiment of the present invention;
fig. 4 is a schematic top view of a trough bridge according to an embodiment of the present invention;
fig. 5 is a schematic partial structure diagram of a first groove of a trough bridge according to an embodiment of the present invention;
wherein: 1-side plate, 2-connecting hole, 3-connecting plate, 4-waist-shaped lightening hole, 5-bottom plate, 6-first groove, 7-mounting hole, 8-second groove, 9-convex edge and 10-reinforcing rib.
Detailed Description
Examples
The trough-type bridge frame of the embodiment comprises two symmetrically arranged side plates 1 and a bottom plate 5 arranged between the bottoms of the two side plates 1, wherein waist-shaped lightening holes 4 are uniformly arranged at intervals on the bottom plate 5, first grooves 6 are symmetrically formed at two ends of each waist-shaped lightening hole 4, and the first grooves 6 are arranged along the length direction of the bottom plate 5; the middle parts of the two side plates 1 are respectively provided with a second groove 8, the upper ends of the side plates 1 are provided with a connecting plate 3, one side of the connecting plate 3 far away from the side plates 1 is provided with a reinforcing rib 10, and the section of the reinforcing rib 10 is L-shaped. The edge of the waist-shaped lightening hole 4 is provided with a circle of convex edge 9. The direction of depression of the first groove 6 is vertically upward. The surface of the connecting plate 3 is provided with connecting holes 2 at regular intervals. Two ends of the two side plates 1 are respectively provided with three mounting holes 7. The surfaces of the two side plates 1 and the bottom plate 5 are plated with zinc layers, and the thickness of the zinc layers is 130 mu m.
The length of the bottom plate 1 of the trough type bridge frame is 3000mm, the width of the bottom plate 1 is 500mm, and the thickness is 2 mm. The height of the side plate 1 is 75 mm. The width of the connecting plate is 35 mm. The width of the first groove 6 is 22.5mm, the depth of the first groove 6 is 1mm, and the depth of the second groove 8 is 10 mm. The connecting holes 2 of the connecting plates 3 on the two sides are respectively arranged in parallel with the waist-shaped lightening holes 4 of the bottom plate 5, the distance between the connecting holes 2 is 200mm, and the distance between the outermost connecting hole 2 at the two ends of the connecting plate 3 and the edge of the two ends of the connecting plate 3 is 100 mm. The ladder-type bridge frame is formed and drawn in one step, welding is avoided, and strength is better.
The middle parts of two side plates of the groove type bridge frame are respectively provided with a second groove, the upper ends of the side plates are provided with connecting plates, one side of the connecting plate, which is far away from the side plates, is provided with a reinforcing rib, the section of the reinforcing rib is L-shaped, the mechanical strength of the two side plates is greatly increased through the matching of the second groove, the connecting plates and the reinforcing rib, the strength of the side plates is ensured under the condition of not increasing the thickness and the quality of the side plates, and the side plates are not easy to damage and deform; the utility model discloses a bottom plate evenly spaced apart of slot type crane span structure is equipped with waist type lightening hole, and the both ends symmetrical system of waist type lightening hole has first recess, and the edge system of waist type lightening hole has the protruding stupefied of round, through waist type lightening hole, first recess and protruding stupefied setting, when lightening the bottom plate quality, has increased the intensity of bottom plate, has reduced the steel cost and has prolonged life, has apparent progress for traditional slot type crane span structure. The utility model discloses a zinc layer has been plated on two blocks of curb plates and the bottom plate surface of slot type crane span structure, has improved the corrosion resisting property of slot type crane span structure, has prolonged life.
The present invention is not limited to the above embodiment. All technical solutions formed by equivalent substitutions fall within the protection scope of the present invention.
Claims (10)
1. A slot type bridge frame is characterized in that: the bottom plate is evenly provided with waist-shaped lightening holes at intervals, two ends of each waist-shaped lightening hole are symmetrically provided with first grooves, and the first grooves are arranged along the length direction of the bottom plate; the middle parts of the two side plates are respectively provided with a second groove, the upper ends of the side plates are provided with a connecting plate, one side of the connecting plate far away from the side plates is provided with a reinforcing rib, and the cross section of the reinforcing rib is L-shaped.
2. The trough bridge of claim 1, wherein: and a circle of convex edge is formed at the edge of the waist-shaped lightening hole.
3. The trough bridge of claim 2, wherein: the sunken direction of first recess is vertical upwards.
4. The trough bridge of claim 3, wherein: the surface of the connecting plate is evenly provided with connecting holes at intervals.
5. The trough bridge of claim 4, wherein: and two ends of the two side plates are respectively provided with at least one mounting hole.
6. The trough bridge of claim 5, wherein: the surfaces of the two side plates and the bottom plate are plated with zinc layers, and the thickness of the zinc layers is 110-140 mu m.
7. The trough bridge of claim 6, wherein: the length of bottom plate is 3000mm, the width of bottom plate is 500mm, and thickness is 2 mm.
8. The trough bridge of claim 7, wherein: the width of first recess is 22.5mm, the degree of depth of first recess is 1mm, the degree of depth of second recess is 10 mm.
9. The trough bridge of claim 8, wherein: the height of the side plate is 75 mm.
10. The trough bridge of claim 9, wherein: the width of connecting plate is 35 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821470.2U CN209881285U (en) | 2019-05-31 | 2019-05-31 | Groove type bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821470.2U CN209881285U (en) | 2019-05-31 | 2019-05-31 | Groove type bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881285U true CN209881285U (en) | 2019-12-31 |
Family
ID=68946761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920821470.2U Active CN209881285U (en) | 2019-05-31 | 2019-05-31 | Groove type bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881285U (en) |
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2019
- 2019-05-31 CN CN201920821470.2U patent/CN209881285U/en active Active
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