CN218569464U - Temperature compensation device of JSGT steel rail section steel body wiping line - Google Patents
Temperature compensation device of JSGT steel rail section steel body wiping line Download PDFInfo
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- CN218569464U CN218569464U CN202223113751.3U CN202223113751U CN218569464U CN 218569464 U CN218569464 U CN 218569464U CN 202223113751 U CN202223113751 U CN 202223113751U CN 218569464 U CN218569464 U CN 218569464U
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Abstract
The utility model relates to a travelling crane wiping line technical field specifically discloses a temperature compensation device of JSGT rail profile steel body wiping line, including temperature compensation structure and wiping line, the temperature compensation structure is equipped with expansion part, copper sheet layer and connecting plate, and the copper sheet layer adopts the copper sheet range upon range of setting, and the middle part of copper sheet layer is expansion part, and expansion part is equipped with flexible clearance, and the copper sheet layer passes through the wiping line of connecting plate connection both sides, and the copper sheet layer is on same horizontal plane with the upper surface of wiping line, is connected with the flexible connecting wire between the connecting plate; the utility model adopts a multilayer copper sheet structure, which not only improves the action reliability and sensitivity of the temperature compensation device, but also increases the section current-carrying capacity, and simultaneously, the contact area between the sliding contact block of the current collector and the upper surface of the temperature compensation device is also increased, so that the current collector operates more stably, and the stability of a driving power supply system is improved; the sliding friction force of the unit contact surface of the original temperature compensation device is reduced, the service life is prolonged, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to a overhead traveling crane wiping line technical field, concretely relates to temperature compensation arrangement of JSGGT rail shaped steel body wiping line.
Background
The driving power supply device of the wide and thick plate production line adopts a JSGT steel rail section steel body sliding contact line. The material of the sliding contact line is aluminum material with better conductivity, but the expansion coefficient of the metal aluminum is approximately 2 times of that of the metal iron. Therefore, under the same temperature difference, the changes of expansion with heat and contraction with cold are obviously different. And the length of the sliding contact wire installed in each phase of most areas of the production line reaches more than five hundred meters, and the sliding contact wire is long in the longitudinal direction. When the environmental temperature changes along with the seasonal environmental temperature, the environmental temperature changes during the production and the fixed repair of individual areas. The longitudinal extension and retraction amount of the trolley line is large, and the change of the position of a steel structure extension and retraction seam of a cross beam of a plant is influenced. The slide wire insulator is cracked and the slide wire is bent and arched out laterally due to the large stress of the section. Causing the faults of the running collector falling, the grounding of the trolley line and the like. The problem is analyzed, and according to the installation form and the specification size of the on-site trolley line, the characteristics of expansion joints of cross beams of on-site plants, section temperature difference change and the like are combined, and a temperature compensation device is added on each phase of the trolley line. The specification and material selection of the temperature compensation device need to take into consideration the section current-carrying capacity, conductivity, compensation clearance and safe and reliable action of the device, and the appearance structure also needs to meet the specification and connection mode of the sliding contact line. In the structural design and material selection of the original temperature compensation device, only the compensation clearance is considered, but the problems of the deformation of the compensation connecting sheet, the contact area with the current collector and the like with some details are not fully considered. The installation interval between the compensation devices is too large, so that faults frequently occur, and the applicability is poor. Therefore, the temperature compensation device for the sliding contact line of the JSGT steel rail section steel body is urgently needed to solve the problems that the existing temperature compensation device is easy to deform and short in service life.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a temperature compensation arrangement of JSGGT rail shaped steel body wiping line.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a temperature compensation arrangement of JSGT rail shaped steel body wiping line, includes temperature compensation structure and wiping line, the temperature compensation structure is equipped with expansion part, copper sheet layer and connecting plate, and the copper sheet layer adopts the range upon range of setting of copper, and the middle part of copper sheet layer is expansion part, and expansion part is equipped with flexible clearance, and the wiping line of both sides is connected through the connecting plate to the copper sheet layer, and the upper surface of copper sheet layer and wiping line is connected with the flexible connecting wire between the connecting plate on same horizontal plane.
Specifically, the expansion part is provided with short copper plates at intervals, the copper plate of the expansion part is provided with two strip-shaped holes, a first fixing bolt is installed in each strip-shaped hole, and the first fixing bolt penetrates through the strip-shaped holes and the installation holes in the short copper plates.
Specifically, the short copper plate is a copper plate with the thickness of 2-3mm, a telescopic gap is formed between the short copper plate and the copper plate of the copper plate layer, and the copper plate of the copper plate layer is fixed through a second fixing bolt.
Specifically, a plurality of bolt holes are formed in the connecting plate, connecting bolts penetrate through the bolt holes, and the connecting plate is fixed on the copper plate layer through the connecting bolts.
Specifically, the connecting plates are made of aluminum materials, and the connecting bolts are galvanized bolts.
The utility model discloses following beneficial effect has:
the temperature compensation device of the JSGT steel rail section steel body sliding contact line designed by the utility model adopts a multilayer copper sheet structure, thereby not only improving the action reliability and sensitivity of the temperature compensation device, but also increasing the section current-carrying capacity, and simultaneously increasing the contact area between the current collector sliding contact block and the upper surface of the temperature compensation device, so that the current collector operates more stably, and the stability of a driving power supply system is improved; meanwhile, the contact surface between the temperature compensation device and the current collector is multiplied, so that the sliding friction force of the unit contact surface of the original temperature compensation device is reduced, the abrasion of the temperature compensation device and the current collector is reduced, the service life is prolonged, the faults of current collector falling and the like caused by the abrasion of the temperature compensation device are eliminated, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural view of a trolley wire connected with a temperature compensation structure.
Fig. 2 is a top view of a temperature compensation structure.
Fig. 3 is a side view of a temperature compensation structure.
Fig. 4 is a schematic structural diagram of the connection plate for mounting the connection bolt.
Fig. 5 is a schematic structural view of the connection plate.
In the figure: 1-temperature compensation structure, 1.1-expansion part, 1.2-telescopic gap, 1.3-copper plate layer, 1.4-strip-shaped hole, 1.5-connecting plate, 1.6-connecting bolt, 1.7-flexible connecting line, 1.8-fixing bolt I, 1.9-fixing bolt II, 1.10-bolt hole; 2-trolley line.
Detailed Description
The technical solution in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, a temperature compensation device of JSGT steel rail section steel body trolley conductor, including temperature compensation structure 1 and trolley conductor 2, temperature compensation structure 1 is equipped with expansion part 1.1, flexible clearance 1.2, copper sheet layer 1.3, connecting plate 1.5 drinks soft connecting wire 1.7, copper sheet layer 1.3 adopts the copper range upon range of setting, the middle part of copper sheet layer 1.3 is expansion part 1.1, expansion part 1.1 is equipped with flexible clearance 1.2, expansion part 1.1 sets up the short copper board for the interval, be equipped with two upper and lower bar holes 1.4 on expansion part 1.1's the copper board, bar hole 1.4 internal installation fixing bolt 1.8, fixing bolt 1.8 passes the mounting hole on bar hole 1.4 and the short copper board. The short copper plate is a copper plate with the thickness of 2-3mm, a telescopic gap 1.2 is formed between the short copper plate and the copper plate of the copper plate layer 1.3, and the copper plate of the copper plate layer 1.3 penetrates through and is fixed through a second fixing bolt 1.9.
The copper plate layer 1.3 is connected with the sliding contact lines 2 on two sides through a connecting plate 1.5, a plurality of bolt holes 1.10 are formed in the connecting plate 1.5, connecting bolts 1.6 penetrate through the bolt holes 1.10, and the connecting plate 1.5 is fixed on the copper plate layer 1.3 through the connecting bolts 1.6. The connecting plate adopts aluminum materials, and the connecting bolts adopt galvanized bolts.
The copper plate layer 1.3 and the upper surface of the sliding contact line 2 are on the same horizontal plane, and a flexible connecting line 1.7 is connected between the connecting plates 1.5.
Embodiments of the utility model
1. According to the appearance specification of the JSGT steel rail type steel body sliding contact line, the requirements of GB 50256-96 'construction and acceptance standards for electrical devices of cranes in electrical device installation engineering' are met. Firstly, the temperature compensation structure 1 should be installed on the bracket closest to the expansion joint of the plant crossbeam. The temperature compensation structure 1 should have a telescopic gap 1.2 of 10-20 mm, the upper surfaces of the connecting ends of the temperature compensation structure 1 and the sliding contact line 2 should be installed on the same horizontal plane, and the height difference should not be larger than 0.5mm. So as to ensure that the current collector can reliably contact and freely slide without resistance when the vehicle passes by. Meanwhile, in order to ensure that the temperature compensation structure 1 does not deflect downwards and the like, the temperature compensation structure 1 and the trolley line 2 are firmly connected, and a bracket is required to be installed at a position with a short distance between two sides of the trolley line connected with the temperature compensation structure 1. The temperature compensation structure 1 is provided with a flexible connecting line 1.7, and the allowable current-carrying capacity of the flexible connecting line 1.7 is not less than the allowable current-carrying capacity of the power supply lead. And manufacturing a connecting plate 1.5 attached to the waist part of the side surface of the sliding contact line 2, and determining the specification, the size and the selected point of the connecting bolt 1.6. The connecting plate 1.5 is made of aluminum materials, and the connecting bolt 1.6 is made of a galvanized bolt. And takes into account its strength.
2. The expansion element 1.1 of the temperature compensation structure 1 is preferably made of a copper plate with a thickness of 2-3 mm. At the section of the telescopic gap 1.2 of the temperature compensation structure 1, two rows of strip-shaped holes 1.4 with the width of about 5mm are cut along the length direction, and the strip-shaped holes are connected with the end part of the short copper plate of the expansion part 1.1 through a first fixing bolt 1.8. The problem that the middle of the compensating device is downwarped due to the positive pressure of the current collector on the compensating device when a travelling crane passes is avoided.
3. The specification of the temperature compensation device of the temperature compensation structure 1 needs to be made in consideration of convenience of installation and maintenance on site.
4. The temperature compensation structure 1 not only increases the expansion gap 1.2. The upper surface area of the device is increased, so that the upper surface of the temperature compensation structure 1 is more wear-resistant, and the service lives of the temperature compensation structure 1 and the traveling crane current collector are prolonged.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (5)
1. The utility model provides a temperature compensation arrangement of JSGT rail shaped steel body wiping line, a serial communication port, including temperature compensation structure and wiping line, the temperature compensation structure is equipped with expansion part, copper sheet layer and connecting plate, and the copper sheet layer adopts the range upon range of setting of copper, and the middle part of copper sheet layer is expansion part, and expansion part is equipped with flexible clearance, and the wiping line of both sides is connected through the connecting plate to the copper sheet layer, and the upper surface of copper sheet layer and wiping line is connected with the flexible connecting wire between the connecting plate on same horizontal plane.
2. The temperature compensation device for the JSGT rail type steel body trolley line according to claim 1, wherein the expansion part is a short copper plate arranged at intervals, two strip-shaped holes are formed in the copper plate of the expansion part, and a first fixing bolt is arranged in each strip-shaped hole and penetrates through the strip-shaped holes and the mounting holes in the short copper plate.
3. The temperature compensation device for the JSGT rail section steel body trolley line according to claim 2, wherein the short copper plate is a copper plate with the thickness of 2-3mm, a telescopic gap is formed between the short copper plate and the copper plate of the copper plate layer, and the copper plate of the copper plate layer is fixed by penetrating through a second fixing bolt.
4. The temperature compensation device for the JSGT rail type steel body trolley line according to claim 1, wherein the connecting plate is provided with a plurality of bolt holes, connecting bolts pass through the bolt holes, and the connecting bolts fix the connecting plate on the copper plate layer.
5. The temperature compensation device for the JSGT rail section steel trolley line according to claim 1, wherein the connecting plate is made of aluminum and the connecting bolt is made of a galvanized bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223113751.3U CN218569464U (en) | 2022-11-22 | 2022-11-22 | Temperature compensation device of JSGT steel rail section steel body wiping line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223113751.3U CN218569464U (en) | 2022-11-22 | 2022-11-22 | Temperature compensation device of JSGT steel rail section steel body wiping line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218569464U true CN218569464U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223113751.3U Active CN218569464U (en) | 2022-11-22 | 2022-11-22 | Temperature compensation device of JSGT steel rail section steel body wiping line |
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|---|---|
| CN (1) | CN218569464U (en) |
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2022
- 2022-11-22 CN CN202223113751.3U patent/CN218569464U/en active Active
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