CN210437042U - Falling weight limiter - Google Patents
Falling weight limiter Download PDFInfo
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- CN210437042U CN210437042U CN201920906596.XU CN201920906596U CN210437042U CN 210437042 U CN210437042 U CN 210437042U CN 201920906596 U CN201920906596 U CN 201920906596U CN 210437042 U CN210437042 U CN 210437042U
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- connecting plate
- limiting
- sleeve
- weight
- pipe
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Abstract
本实用新型涉及铁路接触网施工技术领域，提供了一种坠砣限制架，包括第一连接板、第二连接板、第三连接板和限制管，所述第一连接板分别与所述第二连接板和所述第三连接板垂直连接，所述第二连接板与所述第三连接板平行，所述第三连接板上设有定位孔，所述限制管的第一端设有螺栓，所述第二连接板上设有与所述定位孔相对设置的螺栓孔，所述限制管的第一端穿设在所述定位孔内，且所述螺栓穿过所述螺栓孔后与螺母配合，所述第三连接板与所述第二连接板之间设有限制套管，所述限制套管套设在所述限制管的端部，所述限制套管与所述第二连接板连接固定。装置稳定，不易变形，保证列车高速运行时与接触网的稳定性和连接精度，提高运行的安全性。
The utility model relates to the technical field of railway catenary construction, and provides a falling weight restraining frame, comprising a first connecting plate, a second connecting plate, a third connecting plate and a restricting pipe, wherein the first connecting plate is respectively connected with the first connecting plate and the third connecting plate. The second connecting plate and the third connecting plate are vertically connected, the second connecting plate is parallel to the third connecting plate, the third connecting plate is provided with a positioning hole, and the first end of the restricting pipe is provided with a positioning hole. bolts, the second connecting plate is provided with a bolt hole opposite to the positioning hole, the first end of the restricting pipe is penetrated in the positioning hole, and the bolt passes through the bolt hole In cooperation with the nut, a restriction sleeve is arranged between the third connecting plate and the second connecting plate, the restricting sleeve is sleeved on the end of the restricting pipe, and the restricting sleeve is connected to the first connecting plate. The two connecting boards are connected and fixed. The device is stable and not easily deformed, which ensures the stability and connection accuracy between the train and the catenary when the train runs at high speed, and improves the safety of operation.
Description
Technical Field
The utility model relates to a railway contact net construction technical field especially relates to a weight restriction frame.
Background
At present of the vigorous development of the high-speed rail four-electricity technology in China, the traditional technology can not meet the increasingly-leaping innovation requirement of the four-electricity railway, and with the increasing investment and construction of railways and high-speed rails, more prospective technology and more stable plan schemes are needed to ensure the safety of trains in high-speed operation and ensure the speed, safety and comfort of synchronous walking. The construction of the contact network is a key project in railway four-electricity, and has extremely high precision requirements and also implies the stability requirement of a train in a high-speed running process.
To contact net precision and steadiness, fall the perfect solution this problem of system of sticking together. But because the friction of high-speed railway with the contact net and the friction with the rail all can produce great shock at the in-process of high-speed operation, so to weigh down the weight of net system and stick together the limiting tube and put forward high requirement, both must guarantee the contact net precision, loose degree, must guarantee the steadiness of limiting tube, be difficult for droing when the train high-speed operation.
The existing pendant lump system consists of a limiting pipe, a support, a bolt, a nut and a pendant lump, in the train operation engineering, a pantograph can generate strong friction with a contact network, so that the whole pendant lump system vibrates, and meanwhile, the friction between a train and a steel rail generates vibration, so that the support is subjected to resonance, and the nut can be loosened due to long-time vibration, so that the nut falls off and influences the travelling crane; labor costs increase, maintenance costs increase; the potential safety hazard is great, the easy accident that takes place.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a weight limiting frame to it is low to solve current weight system stability intensity, influences the problem of contact net normal use.
An embodiment of the utility model provides a weight limiting frame, including first connecting plate, second connecting plate, third connecting plate and limiting tube, first connecting plate respectively with the second connecting plate with the third connecting plate is connected perpendicularly, the second connecting plate with the third connecting plate is parallel, be equipped with the locating hole on the third connecting plate, limiting tube's first end is equipped with the bolt, be equipped with on the second connecting plate with the relative bolt hole that sets up of locating hole, limiting tube's first end is worn to establish in the locating hole, just the bolt passes behind the bolt hole with the nut cooperation, the third connecting plate with be equipped with the restriction sleeve pipe between the second connecting plate, the restriction sleeve pipe box is established the tip of limiting tube, the restriction sleeve pipe with the second connecting plate is connected fixedly.
The second connecting plate is provided with a plurality of water leakage holes, and the water leakage holes are evenly distributed along the circumferential direction of the bolt holes.
Wherein the restraining sleeve is girth welded to the second web.
Wherein the limiting sleeve and the second connecting plate are welded in a spot welding mode.
And a zinc coating is arranged on the surface of the welding part of the limiting sleeve and the second connecting plate.
The inner diameter of the limiting sleeve is matched with the outer diameter of the limiting pipe in a sleeved mode, and the length of the limiting sleeve is the same as the distance between the second connecting plate and the third connecting plate.
And a reinforcing rib is arranged between the first connecting plate and the second connecting plate.
And a suspension line is arranged at the second end of the limiting pipe and used for suspending a balance weight.
The embodiment of the utility model provides a pair of weight restriction frame, through set up the restriction sleeve pipe between second connecting plate and third connecting plate, the restriction cover pipe box is established at the restriction cover intraductally, and the cooperation of rethread bolt and nut is connected the restriction pipe with the second and is showing the improvement with third connecting plate joint strength, and the device is stable, and non-deformable guarantees the stability and the connection precision of contact net when the train high speed moves, improves the security of operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a weight limiting frame according to an embodiment of the present invention;
fig. 2 is a top view of the weight limiting frame according to the embodiment of the present invention.
In the figure, 1: a first connecting plate; 2: a second connecting plate; 3: a third connecting plate; 4: a limiting tube; 5: a restraining sleeve; 6: a bolt; 7: a nut; 8: a water leakage hole; 9: reinforcing ribs; 10: a suspension wire; 11: a balance weight; 12: and (7) welding points.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all 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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, unless otherwise specified, "plurality", and "plural" mean two or more, and "several", and "several groups" mean one or more.
As shown in fig. 1 and 2, the embodiment of the utility model provides a weight limiting frame, including first connecting plate 1, second connecting plate 2, third connecting plate 3 and limiting tube 4, first connecting plate 1 is connected with second connecting plate 2 and third connecting plate 3 are perpendicular respectively, and second connecting plate 2 is parallel with third connecting plate 3. It can be understood that the first connecting plate 1 is vertically arranged, the second connecting plate 2 and the third connecting plate 3 are horizontally arranged, and the upper end of the first connecting plate 1 is connected with the right end of the second connecting plate 2 and the right end of the third connecting plate 3 respectively to form a type-F structure. It is worth to explain, first connecting plate 1, second connecting plate 2 and third connecting plate 3 are for assembling the structure, conveniently assemble whole balance weight limit frame. In this embodiment, first connecting plate 1, second connecting plate 2 and third connecting plate 3 all adopt No. 5 steel sheet materials, and specific size can be set for according to limiting pipe 4 and construction needs.
Wherein, be equipped with the locating hole on the third connecting plate 3, the first end of restriction pipe 4 is equipped with bolt 6, is equipped with the bolt hole that sets up with the locating hole relatively on the second connecting plate 2, and the first end of restriction pipe 4 is worn to establish in the locating hole, and bolt 6 passes behind the bolt hole and cooperates with nut 7. It will be appreciated that the locating holes in the third connecting plate 3 are located on the same axis as the bolt holes in the second connecting plate 2, and the axis of the restraining tube 4 coincides with the axis of the bolt 6. When the first end of the limiting pipe 4 is arranged in the positioning hole in a penetrating mode, the axes of the limiting pipe 4, the bolt 6, the positioning hole and the bolt hole are overlapped, and the bolt 6 is correspondingly arranged in the bolt hole in a penetrating mode. The limiting pipe 4 is fixedly installed on the second connecting plate 2 and the third connecting plate 3 through the screwing matching of the nut 7 and the bolt 6. In this embodiment, the bolt 6 is welded to the end surface of the first end of the limiting tube 4, so that the connection strength is ensured.
Wherein, be equipped with between third connecting plate 3 and the second connecting plate 2 and restrict sleeve 5, restrict sleeve 5 cover and establish the first end of restriction pipe 4, restrict sleeve 5 and second connecting plate 2 and be connected fixedly. It can be understood that, the lower extreme fixed mounting of restriction sleeve 5 is at the upside of second connecting plate 2, bolt 6 passes the locating hole in proper order, restriction sleeve 5, screw fixedly with nut 7 at the downside of second connecting plate 2 behind the bolt hole, the first pot head of restriction pipe 4 is established in restriction sleeve 5, realize that two items of restriction pipe 4 strengthen fixedly, promptly, after bolt 6 breaks away from because the vibration with nut 7, restriction sleeve 5 continues to keep high strength stable connection with restriction pipe 4, guarantees the normal operating of train.
Further, second connecting plate 2 is equipped with a plurality of holes 8 that leak, and a plurality of holes 8 that leak evenly arrange along the circumference of bolt hole for prevent sleet ponding to the corrosion of limiting pipe 4 junction department and other junctions, prolong the life of whole device, reduce the maintenance rate.
The limiting sleeve 5 and the second connecting plate 2 are welded in a girth welding mode or a spot welding mode, the connection strength of the limiting sleeve 5 and the second connecting plate 2 is guaranteed, and the limiting sleeve can be determined according to construction conditions and requirements. The surface of the welding position of the limiting sleeve 5 and the second connecting plate 2 is provided with a zinc coating for improving the corrosion prevention effect of the welding line or the welding spot 12 and ensuring the installation strength.
Furthermore, the inner diameter of the limiting sleeve 5 is sleeved with the outer diameter of the limiting pipe 4 to be matched, the length of the limiting sleeve 5 is the same as the distance between the second connecting plate 2 and the third connecting plate 3, and therefore the protection supporting effect of the limiting sleeve 5 on the limiting pipe 4 is improved.
Wherein, be equipped with strengthening rib 9 between first connecting plate 1 and the second connecting plate 2, guarantee support strength and joint strength, improve stability. And a suspension line 10 is arranged at the second end of the limiting pipe 4, and the suspension line 10 is used for suspending a balance weight 11, so that the high-precision adjustment of the looseness of the contact net is realized.
The embodiment of the utility model provides a pair of weight restriction frame has following beneficial effect:
the device is stable, not easy to deform, stable in operation and capable of promoting construction period, the device body is made of profile steel, the material stability is good, the strength is high, stress deformation is not easy to generate, the stability and the precision of a contact net in the high-speed operation process of a train are ensured, and the phenomenon that the driving safety is influenced due to system instability in the operation of the train is avoided;
the device has the advantages that the assembling operation is safe and reliable, the device is economical and practical, the accidents are reduced, the defect of frequent manual maintenance is overcome, the maintenance rate and the fault rate are reduced, the center of gravity of the device is stable, the foundation is strong, the operation is safe and reliable, the safety accidents are avoided, and the life safety of operators is guaranteed;
the device is convenient to operate and flexibly operate, convenient and fast, stable in structure, fast in construction, convenient and fast to operate, easy to operate, low in operation failure rate, flexible in assembly operation, less in input human resources and double in result with half effort.
Practice thrift the cost, integrate the resource, promote the benefit, the device operating cost is low, and the maintenance rate is little, guarantees driving safety, simultaneously, reduces because of the manpower overhauls the omission that causes multiplexer utensil, leads to the incidence of railway accident, provides reliable guarantee for follow-up driving operation.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The weight limiting frame is characterized by comprising a first connecting plate, a second connecting plate, a third connecting plate and a limiting pipe, wherein the first connecting plate is respectively and vertically connected with the second connecting plate and the third connecting plate, the second connecting plate is parallel to the third connecting plate, a positioning hole is formed in the third connecting plate, a bolt is arranged at the first end of the limiting pipe, a bolt hole opposite to the positioning hole is formed in the second connecting plate, the first end of the limiting pipe penetrates through the positioning hole, the bolt penetrates through the bolt hole and then is matched with a nut, a limiting sleeve is arranged between the third connecting plate and the second connecting plate, the limiting sleeve is sleeved at the end of the limiting pipe, and the limiting sleeve is fixedly connected with the second connecting plate.
2. The weight limiting frame according to claim 1, wherein the second connecting plate is provided with a plurality of water leakage holes which are uniformly arranged along the circumferential direction of the bolt hole.
3. The weight restraint frame of claim 1, wherein the restraint sleeve is girth welded to the second web.
4. The weight limiting frame of claim 1, wherein the limiting sleeve is spot welded to the second connecting plate.
5. The weight limiting frame as claimed in claim 3 or 4, wherein a zinc coating is provided on the surface of the welding part of the limiting sleeve and the second connecting plate.
6. The weight limiting frame of claim 1, wherein an inner diameter of the limiting sleeve is in sleeved fit with an outer diameter of the limiting tube, and a length of the limiting sleeve is the same as a distance between the second connecting plate and the third connecting plate.
7. The weight limiting frame of claim 1, wherein a reinforcing rib is disposed between the first connecting plate and the second connecting plate.
8. The weight limiting frame of claim 1, wherein a suspension line is arranged at the second end of the limiting tube and used for suspending a weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906596.XU CN210437042U (en) | 2019-06-17 | 2019-06-17 | Falling weight limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906596.XU CN210437042U (en) | 2019-06-17 | 2019-06-17 | Falling weight limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210437042U true CN210437042U (en) | 2020-05-01 |
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ID=70403722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920906596.XU Expired - Fee Related CN210437042U (en) | 2019-06-17 | 2019-06-17 | Falling weight limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210437042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203111A (en) * | 2019-06-17 | 2019-09-06 | 中铁十九局集团电务工程有限公司 | Falling mound limit frame |
-
2019
- 2019-06-17 CN CN201920906596.XU patent/CN210437042U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203111A (en) * | 2019-06-17 | 2019-09-06 | 中铁十九局集团电务工程有限公司 | Falling mound limit frame |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 |
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| CF01 | Termination of patent right due to non-payment of annual fee |