CN216374270U - Dropper spring crimping assembly and integral dropper device comprising same - Google Patents
Dropper spring crimping assembly and integral dropper device comprising same Download PDFInfo
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- CN216374270U CN216374270U CN202220005404.XU CN202220005404U CN216374270U CN 216374270 U CN216374270 U CN 216374270U CN 202220005404 U CN202220005404 U CN 202220005404U CN 216374270 U CN216374270 U CN 216374270U
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Abstract
The utility model relates to a dropper spring crimping component and an integral dropper device comprising the same, wherein the dropper spring crimping component comprises: the lower part of the dropper line positioned at the crimping pipe comprises a main dropper section and an auxiliary dropper section, the free end of the auxiliary dropper section is bent into a heart ring and then fixed with the main dropper section through a crimping component, and a heart-shaped protective ring is sleeved on the inner side of the heart ring; a crimping assembly, comprising: the compression joint pipe is fixed on the outer sides of the main suspension string section and the auxiliary suspension string section, and the compression joint pipe fixing piece is arranged on the outer side of the compression joint pipe; and the spring is sleeved on the outer side of the main suspension string section, the lower end of the spring is fixedly connected with the crimping component, and the spring is used for improving the anti-breaking capacity of the main suspension string section. The anti-breaking capacity of the dropper line at the position of the pressure-welding pipe can be achieved, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of electrified railway contact net parts, in particular to a dropper spring compression joint assembly and an integral dropper device comprising the same.
Background
The railway contact net is a key device for ensuring the safe operation of a locomotive, and the integral dropper is one of important components of a contact net system, is arranged between a carrier cable and a contact wire, is used for increasing a contact suspension point, improving the sag and the elastic uniformity of the contact wire, adjusting the structural height of the contact suspension, and plays a role in certain bearing capacity and current carrying. When the pantograph passes through, the contact line is continuously lifted and vibrated, and the whole dropper is lifted and bent along with the contact line. Therefore, the integral dropper not only needs to meet the bearing capacity requirement in chain suspension and ensure the normal passing of current, but also needs to ensure high fatigue resistance, and the bearing capacity, current carrying and fatigue resistance are the key technical requirements of the integral dropper.
At present, the compression connection mode of the dropper wire of the whole dropper adopts the compression connection of the compression connection pipe, as shown in fig. 1 and fig. 2, under the operation condition of a railway contact network, when a pantograph passes through, a contact wire continuously lifts and vibrates, the whole dropper also lifts and bends, the dropper wire at the compression connection pipe is subjected to periodic force value change, the fatigue wire breakage or strand breakage of the dropper wire at the position is easily caused, and the whole dropper wire is scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a dropper spring compression joint assembly and an integral dropper device comprising the same.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a dropper spring crimping assembly, comprising:
the lower part of the dropper line positioned at the crimping pipe comprises a main dropper section and an auxiliary dropper section, the free end of the auxiliary dropper section is bent into a heart ring and then fixed with the main dropper section through a crimping component, and a heart-shaped protective ring is sleeved on the inner side of the heart ring;
a crimping assembly, comprising: the compression joint pipe is fixed on the outer sides of the main suspension string section and the auxiliary suspension string section, and the compression joint pipe fixing piece is arranged on the outer side of the compression joint pipe;
and the spring is sleeved on the outer side of the main suspension string section, the lower end of the spring is fixedly connected with the crimping component, and the spring is used for improving the anti-breaking capacity of the main suspension string section.
As an embodiment of the utility model, the crimping pipe fixing piece comprises a C-shaped body, a guide part and a fastening piece;
wherein the guide part is arranged at the opening of the C-shaped body and is used for guiding the crimping pipe into the inner cavity of the C-shaped body;
the fastening piece is used for fixing the C-shaped body outside the crimping pipe.
As an embodiment of the utility model, the guide part includes that two sets of settings are in respectively the direction arc board of both sides about the C type body opening.
As an embodiment of the utility model, the fastening piece is rectangular strip, and its one end is established firmly on the C type body, the other end covers behind the middle part opening of C type body with the outer wall of C type body and/or the outer wall laminating of crimping pipe.
As an embodiment of the utility model, C type body is kept away from the top of C type body opening one side has set firmly last mounting panel, and the bottom has set firmly down the mounting panel, go up the mounting panel with all be equipped with a plurality of relative through-holes on the mounting panel down, the through-hole is used for supplying the lower extreme of spring passes the after-fixing.
As an embodiment of the present invention, the springs are provided with 4 springs.
In a second aspect, there is provided an integral dropper apparatus, comprising: a messenger dropper, an upper section dropper line and a contact line dropper, and a dropper spring crimp assembly as described in the first aspect;
the carrier cable dropper is clamped on the outer wall of the carrier cable;
the upper end of the upper part of the dropper line is connected with the carrier cable dropper, and the lower end of the upper part of the dropper line is connected with the lower part of the dropper line;
the contact line dropper is connected with the heart-shaped retaining ring and is used for clamping the contact line.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
according to the dropper spring compression joint assembly and the integral dropper device comprising the dropper spring compression joint assembly, the spring is wound and sleeved on the main dropper line segment to increase the area of the main dropper line segment, the anti-breaking capacity can be improved, and the phenomenon of wire breakage or strand breakage can not occur even if the main dropper line segment is repeatedly bent under the periodic force value change in the working process; in addition, the compression joint assembly is arranged on the outer side of the compression joint pipe, so that the root of the spring can be fixed on the basis of not changing the original structure, the spring and the compression joint pipe fixing piece are connected into a whole, and the spring is prevented from falling.
Drawings
Fig. 1 is a schematic structural diagram of a dropper crimping assembly provided in the prior art.
Fig. 2 is a front view of fig. 1.
FIG. 3 is a schematic structural view of a dropper spring crimping assembly of the present invention in a first state.
FIG. 4 is a schematic structural view of a dropper spring crimping assembly of the present invention in a second state.
FIG. 5 is a schematic diagram of a crimp assembly according to the present invention.
Fig. 6 is a schematic structural diagram of an integral dropper device provided by the present invention.
Wherein: 100-dropper wire, 200-crimping tube;
1-lower part of a hanging string line, 101-main hanging string section, 102-auxiliary hanging string section, 103-heart ring and 104-heart-shaped guard ring; 2-crimping assembly, 201-crimping tube, 202-crimping tube fixture, 202-1-C body, 202-2-guide, 202-3-clasp, 202-4-C body opening, 202-5-through slot, 202-6-upper mounting plate, 202-7-lower mounting plate, 202-8 through hole; 3-a spring;
300-carrier cable dropper, 400-upper part dropper line, 500-contact line dropper, 600-dropper spring compression joint component, 700-carrier cable and 800-contact line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the present invention with reference to the specific embodiments is provided for clarity and completeness.
An embodiment of the present invention provides a dropper spring crimping assembly, as shown in fig. 3 and 4, including:
the lower part of the dropper 1 positioned at the crimping pipe comprises a main dropper section 101 and an auxiliary dropper section 102, the free end of the auxiliary dropper section 102 is bent into a heart ring 103 and then fixed with the main dropper section 101 through a crimping component, and a heart-shaped guard ring 104 is sleeved on the inner side of the heart ring 103;
a crimping assembly 2, comprising: a crimp tube 201 fixed outside the main dropper section 101 and the sub dropper section 102, and a crimp tube holder 202 provided outside the crimp tube 201;
and the spring 3 is sleeved on the outer side of the main dropper section 101, the lower end of the spring is fixedly connected with the crimping component 2, and the spring 3 is used for improving the anti-breaking capacity of the main dropper section 101.
The embodiment of the utility model provides a dropper spring compression joint assembly, which can improve the anti-breaking capacity by winding and sleeving a spring 3 on a main dropper line section 101 to increase the area, and can avoid the phenomenon of wire breaking or strand breaking even if the main dropper line section 101 is repeatedly bent under the periodic force value change in the working process; in addition, the crimping component 2 is arranged on the outer side of the crimping pipe 201, so that the root of the spring 3 can be fixed on the basis of not changing the original structure, the spring 3 and the crimping pipe fixing piece 202 are connected into a whole, and the spring 3 is prevented from falling off.
The present invention will be described below with respect to the structure of the pressure welding module 2.
As shown in FIG. 5, the crimp tube holder 202 includes a C-shaped body 202-1, a guide 202-2 and a clasp 202-3; wherein the guide portion 202-2 is disposed at a C-body opening 202-4 for guiding the crimp tube 201 into an interior cavity of the C-body 202-1; the clasp 202-3 is used to secure the C-shaped body 202-1 outside the crimp tube 201.
The guiding portion 202-2 may comprise two sets of guiding arc plates respectively disposed at the upper and lower sides of the opening 202-4 of the C-shaped body, in this case, the fastening member 202-3 is in the shape of a rectangular bar, one end of which is fixed on the middle portion of the C-shaped body 202-1, and the other end of which is covered on the middle opening of the C-shaped body 202-1 and then attached to the outer wall of the C-shaped body 202-1 and/or the crimping tube 201, so as to fix the crimping tube fixing member 202 outside the crimping tube 201.
In order to realize the condition that the other end of the fastening member 202-3 is attached to the outer wall of the crimping pipe 201, as shown in fig. 5, a through groove 202-5 communicated with the inner cavity of the C-shaped body 202-1 is arranged on one side of the C-shaped body 202-1 away from the opening 202-4 of the C-shaped body, and the other end of the fastening member 202-3 is attached to the outer wall of the crimping pipe 201, so that the firmness is improved.
Further, in order to ensure that the lower end of the spring 3 can be fixed by the crimping pipe fixing member 202, as shown in fig. 5, an upper mounting plate 202-6 is fixedly arranged at the top of one side of the C-shaped body 202-1 away from the opening 202-4 of the C-shaped body, a lower mounting plate 202-7 is fixedly arranged at the bottom of the C-shaped body, a plurality of opposite through holes 202-8 are respectively arranged on the upper mounting plate 202-6 and the lower mounting plate 202-7, and each pair of the through holes 202-8 is used for fixing the lower end of the spring 3 after passing through.
The installation process is that the pressing pipe fixing member 202 is firstly pushed into the pressing pipe 201 through the guide part 202-2, so that the inner wall of the C-shaped body 202-1 is attached to the outer surface of the pressing pipe 201, and the opening end of the pressing pipe fixing member 202 is ensured to be at one side of the auxiliary dropper line segment 101, as shown in figure 4. The long limb (clasp 202-3) of the crimp tube holder 202 is bent with a tool against the outside of the crimp tube 201 and the crimp tube holder 202, as shown in FIG. 3.
After the end of the spring 3 of the spring 32 is sleeved outside the main dropper line section 101, the lower end of the spring 3 is sequentially inserted through the through hole 202-8 of the upper mounting plate 202-6 and the through hole 202-8 of the lower mounting plate 202-7, as shown in fig. 4, and the leaked lower end is bent by a tool, so as to fix the lower end of the spring 3, as shown in fig. 3.
The number of the springs 3 is not particularly limited in the embodiment of the present invention, and for example, as shown in fig. 3 to 5, 4 springs 3 are provided, and 4 through holes 202-8 are provided in each of the upper mounting plate 202-6 and the lower mounting plate 202-7, and each pair of the opposite through holes 202-8 allows one spring 3 to pass through and be fixed.
In addition, an embodiment of the present invention further provides an integral dropper device, as shown in fig. 6, which includes: messenger dropper 300, upper section dropper line 400, contact line dropper 500, and dropper spring crimp assembly 600 as previously described;
the carrier cable dropper 300 is clamped on the outer wall of the carrier cable 700;
the upper end of the upper part dropper line 400 is connected with the carrier cable dropper 300, and the lower end is connected with the lower part dropper line 1;
the contact wire dropper 500 is coupled to the heart ring 104 and is configured to hold a contact wire 800.
The embodiment of the utility model provides an integral dropper device, which is characterized in that a dropper spring compression joint assembly is arranged, a spring 3 is wound and sleeved on a main dropper line segment 101 on a lower dropper line 1, the anti-breaking capacity can be improved, the main dropper line segment 101 is repeatedly bent under the action of periodic force value change in the working process, the phenomenon of wire breaking or strand breaking cannot occur, and the service life is prolonged.
Claims (7)
1. A dropper spring crimping assembly, comprising:
the lower part of the dropper line positioned at the crimping pipe comprises a main dropper section and an auxiliary dropper section, the free end of the auxiliary dropper section is bent into a heart ring and then fixed with the main dropper section through a crimping component, and a heart-shaped protective ring is sleeved on the inner side of the heart ring;
a crimping assembly, comprising: the compression joint pipe is fixed on the outer sides of the main suspension string section and the auxiliary suspension string section, and the compression joint pipe fixing piece is arranged on the outer side of the compression joint pipe;
and the spring is sleeved on the outer side of the main suspension string section, the lower end of the spring is fixedly connected with the crimping component, and the spring is used for improving the anti-breaking capacity of the main suspension string section.
2. The dropper spring crimp assembly of claim 1 wherein the crimp tube retainer comprises a C-shaped body, a guide and a clasp;
wherein the guide part is arranged at the opening of the C-shaped body and is used for guiding the crimping pipe into the inner cavity of the C-shaped body;
the fastening piece is used for fixing the C-shaped body outside the crimping pipe.
3. The dropper spring crimping assembly of claim 2 wherein the guide portion comprises two sets of guide arc plates disposed on upper and lower sides of the opening of the C-shaped body.
4. The dropper spring crimping assembly of claim 3 wherein the fastening member is in the shape of a rectangular bar having one end fixed to the C-shaped body and the other end covering the opening in the middle of the C-shaped body and then engaging the outer wall of the C-shaped body and/or the outer wall of the crimping tube.
5. The dropper spring crimping assembly of claim 2, wherein an upper mounting plate is fixedly arranged at the top of the side of the C-shaped body away from the opening of the C-shaped body, a lower mounting plate is fixedly arranged at the bottom of the C-shaped body, and a plurality of through holes are formed in the upper mounting plate and the lower mounting plate and are opposite to each other, and the through holes are used for enabling the lower end of the spring to pass through and then be fixed.
6. A dropper spring crimping assembly according to claim 5, wherein there are 4 springs.
7. An integral dropper device, comprising: a messenger dropper, an upper section dropper line and a contact line dropper, and a dropper spring crimp assembly as claimed in any one of claims 1 to 6;
the carrier cable dropper is clamped on the outer wall of the carrier cable;
the upper end of the upper part of the dropper line is connected with the carrier cable dropper, and the lower end of the upper part of the dropper line is connected with the lower part of the dropper line;
the contact line dropper is connected with the heart-shaped retaining ring and is used for clamping the contact line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220005404.XU CN216374270U (en) | 2022-01-05 | 2022-01-05 | Dropper spring crimping assembly and integral dropper device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220005404.XU CN216374270U (en) | 2022-01-05 | 2022-01-05 | Dropper spring crimping assembly and integral dropper device comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN216374270U true CN216374270U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220005404.XU Active CN216374270U (en) | 2022-01-05 | 2022-01-05 | Dropper spring crimping assembly and integral dropper device comprising same |
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| CN (1) | CN216374270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442860A (en) * | 2023-06-15 | 2023-07-18 | 中铁建电气化局集团轨道交通器材有限公司 | Integral hanger with wear-proof function |
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2022
- 2022-01-05 CN CN202220005404.XU patent/CN216374270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442860A (en) * | 2023-06-15 | 2023-07-18 | 中铁建电气化局集团轨道交通器材有限公司 | Integral hanger with wear-proof function |
| CN116442860B (en) * | 2023-06-15 | 2023-08-22 | 中铁建电气化局集团轨道交通器材有限公司 | Integral hanger with wear-proof function |
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