CN211507920U - Power spring pressing structure - Google Patents
Power spring pressing structure Download PDFInfo
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- CN211507920U CN211507920U CN201921339834.XU CN201921339834U CN211507920U CN 211507920 U CN211507920 U CN 211507920U CN 201921339834 U CN201921339834 U CN 201921339834U CN 211507920 U CN211507920 U CN 211507920U
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- Prior art keywords
- copper bar
- spring
- movable
- shaft fixed
- group
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 85
- 229910052802 copper Inorganic materials 0.000 claims abstract description 85
- 239000010949 copper Substances 0.000 claims abstract description 85
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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Abstract
The utility model belongs to the field of rail transit electricity, in particular to a power spring pressing structure; comprises an upper panel (1), a lower panel (2) and a spring pressing structure arranged between the upper panel and the lower panel; the spring pressing structure comprises a plurality of copper bar groups and a shaft fixed cutter group; an adjustable movable cutter group is arranged between the copper bar group and the shaft fixed cutter group; the device drives the movable knife to be connected with the fixed knives through the driving of the connecting rod, and the movable knife uses the spring compression mechanism to ensure good contact between the movable knife and the fixed knives and can carry out compression guiding through the shaft pin; the pressing force is determined by designing the compression amount of the spring without secondary adjustment, and compared with the traditional elastic gasket structure, the elastic gasket can be directly assembled on the premise that the effective pressing force of the spring is ensured to be proper by calculating the compression amount of the model selection spring without secondary pressing force adjustment; after the copper bar is worn, the pressing force can be supplemented through the spring, the contact effect of the copper bar is guaranteed, and the maintenance and replacement period is prolonged.
Description
Technical Field
The utility model belongs to the electric field of track traffic especially relates to a power spring compact structure.
Background
In an electric loop, copper bars are generally required to be connected with each other, the copper bars are fastened through an elastic washer and a locking nut in a traditional matching mode, the copper bars at one fixed end are called fixed-cutter copper bars, the copper bars at one fixed end can be called movable-cutter copper bars in a movable mode, the distance between contact points of the movable-cutter copper bars cannot be adjusted, in the assembling process, the contact surfaces between the movable-cutter contact points and the fixed cutters are difficult to adjust, sufficient contact area cannot be guaranteed, and good electric conduction effect is guaranteed by increasing the overall contact area of the copper bars; meanwhile, the pressing force of the movable cutter and the fixed cutter needs to be continuously adjusted in the assembling process so as to ensure good contact between the copper bars;
move the sword copper bar simultaneously and adopt fastening connection's mode, and the elastic gasket that fastening connection adopted is the locking of going on by the bolt, because not rigid connection, through continuous opening and shutting and vibration can influence the bolt-up effect, lead to the contact surface compaction power actual effect to appear the accident, simultaneously, move the sword copper bar and can appear wearing and tearing at the pivoted in-process, after wearing and tearing reach a certain degree, copper bar electric conductive property reduces, the temperature rise is too high, and probably lead to burning out of copper bar, consequently need design a novel connected mode.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an effectual problem among the above-mentioned background of solution has proposed a power spring compact structure, and concrete technical scheme is as follows:
a power spring pressing structure comprises an upper panel (1), a lower panel (2) and a spring pressing structure arranged between the upper panel and the lower panel; the spring pressing structure comprises a plurality of copper bar groups and a shaft fixed cutter group; an adjustable movable cutter group is arranged between the copper bar group and the shaft fixed cutter group;
the copper bar group comprises an isolation pipe (3) arranged between an upper panel (1) and a lower panel (2), a copper bar (4) is fixedly installed in the middle of the isolation pipe (3), and an inclined plane (5) used for guiding and matching with the movable knife is arranged at one end of the copper bar (4);
the shaft fixed cutter group comprises an isolation pipe (3) arranged between an upper panel (1) and a lower panel (2), and a shaft fixed cutter (6) is arranged in the middle of the isolation pipe (3);
the movable knife group comprises a transmission rod (7) arranged between an upper panel (1) and a lower panel (2), a first connecting rod (8) is fixedly mounted on the transmission rod (7), the first connecting rod (8) is hinged with a second connecting rod (9), movable knives (10) are respectively mounted on the upper end surface and the lower end surface of the second connecting rod (9) in parallel, one ends of the two movable knives (10) are hinged with the shaft fixed knife group, the other ends of the two movable knives are in a free state, and a movable knife spring (11) is mounted between the two movable knives (10) in the free state;
preferably, the copper bar group is of an upper layer structure and a lower layer structure, one layer is a short copper bar (4-1), the other layer is a copper bar (4), a copper bar connecting pipe (12) is arranged between the copper bar (4) and the short copper bar (4-1), the copper bar group is designed in a multilayer mode according to the requirement of current, the copper bar connecting pipes (12) are arranged between knife groups of the same circuit, and the copper bar (4) used for an outgoing line interface and the short copper bar (4-1) used for a non-outgoing line interface are arranged according to the requirement;
preferably, the shaft fixed cutter comprises an upper layer structure and a lower layer structure, wherein one layer is a short shaft fixed cutter (6-1), the other layer is a shaft fixed cutter (6), and a first copper bar connecting pipe (13) is arranged between the shaft fixed cutter (6) and the short shaft fixed cutter (6-1);
preferably, the lower panel (2) is fixedly mounted on a base (14);
preferably, a rotary driving device (15) is installed at the bottom of the transmission rod (7), and the rotary driving device (15) is installed between the lower panel (2) and the base (14);
preferably, the movable knife spring (11) comprises a spring component (11-1) arranged on the upper end surface of the upper movable knife (10) and a cushion block (11-2) arranged between the upper movable knife (10) and the lower movable knife (10); the thickness of the cushion block (11-2) is smaller than that of the copper bar (4), and the spring assembly (11-1) is compressed when the movable cutter set is matched with the copper bar, so that pressing force is generated when the movable cutter set is matched with the copper bar (4);
preferably, a spring assembly (11-1) is arranged at the hinged end of the movable knife group and the shaft fixed knife (6);
preferably, the second connecting rod (9) is hinged with the two movable blades (10), and a gap (15-1) for opening and closing the two movable blades (10) is reserved on a pin shaft (15) at the hinged position;
compared with the prior art, the beneficial effects of the utility model reside in that: the device drives the movable knife to be connected with the fixed knives through the driving of the connecting rod, and the movable knife uses the spring compression mechanism to ensure good contact between the movable knife and the fixed knives and can carry out compression guiding through the shaft pin; the pressing force is determined by designing the compression amount of the spring without secondary adjustment, and compared with the traditional elastic gasket structure, the elastic gasket can be directly assembled on the premise that the effective pressing force of the spring is ensured to be proper by calculating the compression amount of the model selection spring without secondary pressing force adjustment; after the copper bar is worn, the pressing force can be supplemented through the spring, the contact effect of the copper bar is guaranteed, and the maintenance and replacement period is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the present invention with the top panel removed;
fig. 3 is a schematic diagram of the upper panel structure of the present invention;
fig. 4 is a partial structural schematic diagram of the present invention;
in the figure: the device comprises an upper panel 1, a lower panel 2, an isolation tube 3, a copper bar 4, a short copper bar 4-1, an inclined plane 5, a shaft fixed cutter 6, a short shaft fixed cutter 6-1, a transmission rod 7, a first connecting rod 8, a second connecting rod 9, a movable cutter 10, a movable cutter spring 11, a spring assembly 11-1, a cushion block 11-2, a copper bar connecting tube 12, a first copper bar connecting tube 13, a base 14, a driving device 15 and a gap 15-1.
Detailed Description
In order to make the technical personnel in the technical field understand the scheme of the invention better, the invention is further explained in detail with the attached drawings and the embodiment;
a power spring pressing structure comprises an upper panel 1, a lower panel 2 and a spring pressing structure arranged between the upper panel and the lower panel; the lower panel 2 is fixedly arranged on the base 14; the spring pressing structure comprises a plurality of copper bar groups and a shaft fixed cutter group; an adjustable movable cutter group is arranged between the copper bar group and the shaft fixed cutter group;
the copper bar group comprises an isolation tube 3 arranged between an upper panel 1 and a lower panel 2, a fixed installation copper bar 4 is arranged in the middle of the isolation tube 3, and one end of the copper bar 4 is provided with an inclined plane 5 used for guiding and matching with the movable knife; the copper bar group is of an upper layer structure and a lower layer structure, one layer is a short copper bar 4-1, the other layer is a copper bar 4, a copper bar connecting pipe 12 is arranged between the copper bar 4 and the short copper bar 4-1, the copper bar group is designed in a multi-layer mode according to the requirement of current, the copper bar connecting pipe 12 is arranged between knife groups of the same circuit, and the copper bar 4 for an outgoing line interface and the short copper bar 4-1 for a non-outgoing line interface are arranged according to the requirement;
the shaft fixed cutter group comprises an isolation pipe 3 arranged between an upper panel 1 and a lower panel 2, and a shaft fixed cutter 6 is arranged in the middle of the isolation pipe 3; the shaft fixed cutter comprises an upper layer structure and a lower layer structure, wherein one layer is a short shaft fixed cutter 6-1, the other layer is a shaft fixed cutter 6, and a first copper bar connecting pipe 13 is arranged between the shaft fixed cutter 6 and the short shaft fixed cutter 6-1;
the movable knife group comprises a transmission rod 7 arranged between the upper panel 1 and the lower panel 2, the bottom of the transmission rod 7 is provided with a rotary driving device 15, and the rotary driving device 15 is arranged between the lower end face 2 and the base 14; a first connecting rod 8 is fixedly installed on the transmission rod 7, the first connecting rod 8 is hinged with a second connecting rod 9, the second connecting rod 9 is hinged with the two movable blades 10, and a gap 15-1 for opening and closing the two movable blades 10 is reserved on a pin shaft 15 at the hinged position; the upper end face and the lower end face of the second connecting rod 9 are respectively provided with a movable knife 10 in parallel, one end of each movable knife 10 is hinged with the shaft fixed knife group, and the other end of each movable knife 10 is provided with a movable knife spring 11; the movable knife spring 11 comprises a spring component 11-1 arranged on the upper end surface of the upper movable knife 10 and a cushion block 11-2 arranged between the upper movable knife 10 and the lower movable knife 10; the thickness of the cushion block 11-2 is smaller than that of the copper bar 4, and the spring assembly 11-1 is compressed when the movable cutter set is matched with the copper bar, so that pressing force is generated when the movable cutter set is matched with the copper bar 4; a spring assembly 11-1 is arranged at the hinged end of the movable cutter group and the fixed shaft cutter 6;
the device comprises the following operation steps: the transmission rod is driven to rotate through the rotation driving device, the rotation of the transmission rod can drive the moving knife to move so as to realize clamping with different fixed knives, one end of the moving knife is hinged with the shaft fixed knife, so that the moving knife has a fixed rotation direction, the inclined plane of the copper bar is used for matching with the clamping of the moving knife, the interval of the moving knife is smaller than the thickness of a single copper bar, when the moving knife is clamped, the moving knife is propped open through the inclined plane of the copper bar, so that a pressing force is applied through a moving knife spring at the upper end of the moving knife, and the connection of the moving knife and the fixed knives is ensured;
the device drives the movable knife to be connected with the fixed knives through the driving of the connecting rod, and the movable knife uses the spring compression mechanism to ensure good contact between the movable knife and the fixed knives and can carry out compression guiding through the shaft pin; the pressing force is determined by designing the compression amount of the spring without secondary adjustment, and compared with the traditional elastic gasket structure, the elastic gasket can be directly assembled on the premise that the effective pressing force of the spring is ensured to be proper by calculating the compression amount of the model selection spring without secondary pressing force adjustment; after the copper bar is worn, the pressing force can be supplemented through the spring, the contact effect of the copper bar is guaranteed, and the maintenance and replacement period is prolonged.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a power spring compact structure which characterized in that: comprises an upper panel (1), a lower panel (2) and a spring pressing structure arranged between the upper panel and the lower panel; the spring pressing structure comprises a plurality of copper bar groups and a shaft fixed cutter group; an adjustable movable cutter group is arranged between the copper bar group and the shaft fixed cutter group;
the copper bar group comprises an isolation pipe (3) arranged between an upper panel (1) and a lower panel (2), a copper bar (4) is fixedly installed in the middle of the isolation pipe (3), and an inclined plane (5) used for guiding and matching with the movable knife is arranged at one end of the copper bar (4);
the shaft fixed cutter group comprises an isolation pipe (3) arranged between an upper panel (1) and a lower panel (2), and a shaft fixed cutter (6) is arranged in the middle of the isolation pipe (3);
move sword knife tackle including setting up transfer line (7) between top panel (1) and lower panel (2), the first connecting rod of fixed mounting (8) is gone up in transfer line (7), first connecting rod (8) hinge second connecting rod (9), terminal surface parallel mount moves sword (10) respectively about second connecting rod (9), and two move the one end of sword (10) and the axle stationary knife tackle is articulated, and the other end is free state, moves two of free state and moves the installation between sword (10) and move sword spring (11).
2. The power spring pressing structure according to claim 1, wherein the copper bar group is of an upper layer structure and a lower layer structure, one layer is a short copper bar (4-1), the other layer is a copper bar (4), a copper bar connecting pipe (12) is installed between the copper bar (4) and the short copper bar (4-1), the copper bar group is designed in a multi-layer mode according to the requirement of current magnitude, the copper bar connecting pipe (12) is installed between knife groups of the same circuit, and the copper bar (4) used for an outgoing line interface and the short copper bar (4-1) used for a non-outgoing line interface are arranged according to the requirement.
3. The power spring pressing structure according to claim 1, wherein the shaft fixed cutter component is divided into an upper layer and a lower layer, one layer is a short shaft fixed cutter (6-1), the other layer is a shaft fixed cutter (6), and a first copper bar connecting pipe (13) is arranged between the shaft fixed cutter (6) and the short shaft fixed cutter (6-1).
4. A power spring compression arrangement according to claim 1, wherein the lower panel (2) is fixedly mounted on a base (14).
5. A power spring pressing structure according to claim 4, characterized in that the transmission rod (7) is provided at the bottom with a rotary driving device, which is installed between the lower panel (2) and the base (14).
6. The power spring pressing structure according to claim 1, wherein the movable knife spring (11) comprises a spring assembly (11-1) arranged on the upper end surface of the upper movable knife (10) and a cushion block (11-2) arranged between the upper movable knife (10) and the lower movable knife (10); the thickness of the cushion block (11-2) is smaller than that of the copper bar (4), and the spring assembly (11-1) is compressed when the movable cutter group is matched with the copper bar, so that pressing force is generated when the movable cutter group is matched with the copper bar (4).
7. The power spring pressing structure according to claim 6, wherein a spring assembly (11-1) is installed at the hinged end of the movable knife group and the shaft fixed knife (6).
8. The power spring pressing structure according to claim 1, wherein the second connecting rod (9) is hinged with the two movable blades (10), and a gap (15-1) for opening and closing the two movable blades (10) is reserved on a pin shaft (15) at the hinged position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339834.XU CN211507920U (en) | 2019-08-19 | 2019-08-19 | Power spring pressing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339834.XU CN211507920U (en) | 2019-08-19 | 2019-08-19 | Power spring pressing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211507920U true CN211507920U (en) | 2020-09-15 |
Family
ID=72394718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339834.XU Active CN211507920U (en) | 2019-08-19 | 2019-08-19 | Power spring pressing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211507920U (en) |
-
2019
- 2019-08-19 CN CN201921339834.XU patent/CN211507920U/en active Active
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| GR01 | Patent grant |