CN211406537U - Cross beam structure for equipment case in rail transit industry - Google Patents
Cross beam structure for equipment case in rail transit industry Download PDFInfo
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- CN211406537U CN211406537U CN201922338996.8U CN201922338996U CN211406537U CN 211406537 U CN211406537 U CN 211406537U CN 201922338996 U CN201922338996 U CN 201922338996U CN 211406537 U CN211406537 U CN 211406537U
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- crossbeam
- guide rail
- apron
- cross beam
- cover plate
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Abstract
The utility model relates to a structure field is equipped in track traffic, electric power, communication, specifically is a crossbeam structure is equipped to quick-witted case of track traffic trade, including the guide rail, both ends are provided with first crossbeam and second crossbeam respectively about the guide rail, and the upper end from the top down of guide rail parallel arrangement in proper order has outer apron and inlayer apron, and beneficial effect is: the utility model discloses newly-increased double-deck apron bearing, fixed knot construct, satisfied the structural requirement of quick-witted case high IP performance and high EMC performance, this new construction still satisfies the requirement of quick-witted case on the appearance size precision simultaneously and reaches the structural requirement that the apron plane degree is fixed, and simplified this kind of structure machining technology, improved machining efficiency; the screw guide structure design is additionally arranged on the nut strip fixing structure, and the special tip loose-free screws for the matched panel can automatically guide the fixed position of the back plate, so that the upper and lower position accuracy of the back plate fixed on the cross beam is improved, and the structure accuracy of the whole case is effectively improved.
Description
Technical Field
The utility model relates to a structure field is equipped in track traffic, electric power, communication, specifically is a track traffic trade equips quick-witted case with crossbeam structure.
Background
The original beam meets the functions of serving as a case supporting structure, a plug auxiliary structure of a pulling aid, a fixing nut strip, a shielding strip installation, a guide rail bearing structure and a plug cover plate, and is more and more unsuitable for the requirements of diversified functions and high precision of the case in the prior art, particularly the rail transit industry, and particularly the defects of the cover plate fixing structure and the sub-panel fixing precision.
On one hand, the original technical scheme lacks a supporting point when the section bar is processed, so that the gravity deformation of the section bar is easily caused under a hot state; on the other hand, only simple cover plate insertion and cover plate insertion joint shielding and mounting functions are considered, but the requirement of a client on the overall dimension precision of the case is not considered, so that the overall precision of the case is unqualified or the cover plate is uneven; on the other hand, the fixing of the sub-panel only considers the fixing structure of the nut strip, and does not consider the accurate positioning of the fixing screw of the sub-panel; in addition, the problem that the middle metal section of the three-section guide rail is electrically communicated with the whole case is not considered in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail transit trade equips crossbeam structure for quick-witted case to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a cross beam structure for equipment chassis in rail transit industry comprises a guide rail, wherein a first cross beam and a second cross beam are respectively arranged at the left end and the right end of the guide rail, an outer cover plate and an inner cover plate are sequentially arranged at the upper end of the guide rail in parallel from top to bottom, the first cross beam and the second cross beam are inserted between the inner cover plate and the upper end surface of the guide rail in a grading bilateral symmetry manner, a support column is arranged at one side of the first cross beam and one side of the second cross beam close to the middle position of the guide rail, an inserting platform is arranged at the upper end surface of one side of the first cross beam and one side of the second cross beam close to the guide rail, nut strip inserting holes are respectively arranged at the outer sides of the first cross beam and the second cross beam, side plate positioning grooves are respectively arranged at the lower ends of the first cross beam and the second cross beam, a cover plate inserting groove is respectively arranged at the middle position, the right side of the second cross beam is vertically provided with a back plate, and the front panel and the back plate are fixedly arranged in the nut strip jack through screws.
Preferably, a pair of symmetrical inserting columns are welded on the upper end faces of the left side and the right side of the guide rail in the vertical direction, and the inserting columns are inserted into inner cavities of square inserting grooves in the lower ends of the first cross beam and the second cross beam.
Preferably, the lower end of the supporting column vertically extends to the upper end face of the guide rail, the supporting column is perpendicular to the upper end face of the inner inserting table, and an inner cover plate is arranged at the upper end of the inner inserting table in parallel.
Preferably, the inner cover plate and the outer cover plate are parallel to each other, the lower end face of the outer cover plate is tightly attached to the upper end faces of the first cross beam and the second cross beam, and the outer cover plate can be of a compression molding pit structure, so that the cover plate fixing screws are located below the upper plane of the cover plate, and the flatness of the upper plane of the cover plate is guaranteed.
Preferably, the inner cavity of the nut strip jack is provided with vertically symmetrical guide grooves, the inner cavity of each guide groove is inserted with a nut strip, and the screw is screwed in the screw hole on the nut strip in a matched manner.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an on the basis of original crossbeam technical scheme, increase crossbeam aluminium alloy sectional area, adopt new aluminium alloy shaping bearing structure, increase aluminium alloy shaping strong point, prevented the aluminium alloy gravity deformation under the hot-working condition, strengthened the structure support function of this type of crossbeam on quick-witted case uses simultaneously, increased the bearing capacity of crossbeam, new strong point is also the contact point of the middle metal section electricity intercommunication whole quick-witted case of syllogic guide rail simultaneously, effectively promote the bearing performance, electric conductive property and the anti-vibration impact grade of quick-witted case;
2. the utility model discloses newly-increased double-deck apron bearing, fixed knot construct, satisfied quick-witted case high IP and high EMC structural requirement, this new construction still satisfies the quick-witted case requirement on appearance size precision and reaches the fixed structural requirement of apron plane degree simultaneously to simplify this kind of structure machining process, improved machining efficiency;
3. the utility model discloses still add screw guide structure design on nut strip fixed knot constructs, the special tip of supporting panel is not pulled off the screw and can be made backplate fixed position automatic guide just, improves the fixed upper and lower position precision of backplate on the crossbeam to effectively improve the structure precision of whole quick-witted case.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention;
fig. 2 is a schematic view of a first cross beam structure of the present invention.
In the figure: the structure comprises a guide rail 1, an inner cover plate 2, an outer cover plate 3, a first cross beam 4, an inserting column 5, a compression molding pit structure 6, a nut strip 7, an extending plate 8, a screw 9, a front panel 10, a guide groove 11, a side plate positioning groove 12, a back plate 13, a second cross beam 14, a cover plate inserting groove 15 (a tapping bottom hole), a square inserting groove 16, a supporting column 17, an inserting table 18 and a nut strip inserting hole 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1 to 2, the present invention provides a technical solution:
the utility model provides a rail transit trade equips crossbeam structure for quick-witted case, includes guide rail 1, and both ends are provided with first crossbeam 4 and second crossbeam 14 respectively about guide rail 1, and the perpendicular welding of the left and right sides up end of guide rail 1 has a pair of post 5 of inserting of mutual symmetry, inserts the square slot 16 inner chamber of post 5 grafting at first crossbeam 4 and second crossbeam 14 lower extreme, and then realizes being connected between guide rail 1 and first crossbeam 4, second crossbeam 14.
The upper end from the top down of guide rail 1 parallel arrangement in proper order has outer apron 3 and inlayer apron 2, first crossbeam 4 and the hierarchical bilateral symmetry of second crossbeam 14 are pegged graft between inlayer apron 2 and guide rail 1 up end, utilize double-deck apron bearing, fixed knot to construct, the structural requirement of quick-witted case high IP performance and high EMC performance has been satisfied, this new construction has still satisfied the quick-witted case requirement on appearance size precision simultaneously and has reached the fixed structural requirement of apron plane degree, and simplified this type of structure machining technology, machining efficiency has been improved.
One side that first crossbeam 4 and second crossbeam 14 are close to guide rail 1 intermediate position is provided with support column 17, the lower extreme of support column 17 extends to guide rail 1's up end perpendicularly, mutually perpendicular between the up end of support column 17 and interpolation platform 18, the upper end parallel mount of interpolation platform 18 has inlayer apron 2, utilize support column 17 as aluminium alloy shaping bearing structure, increase aluminium alloy shaping strong point, the gravity deformation of aluminium alloy under the hot-working condition has been prevented, the structural support function of this type of crossbeam on quick-witted case use has been strengthened simultaneously, the bearing capacity of crossbeam has been increased.
The lower extreme of first crossbeam 4 and second crossbeam 14 is provided with curb plate constant head tank 12, and the upper end intermediate position of first crossbeam 4 and second crossbeam 14 all is provided with apron slot (also be the tapping bottom hole simultaneously) 15, utilizes curb plate constant head tank 12 to realize the accurate installation of curb plate, utilizes apron slot 15 to realize the accurate installation of apron and the installation of electromagnetic shield, also is the tapping bottom hole simultaneously, can be at the crossbeam terminal surface tapping, realizes being connected with the curb plate through supporting screw.
The upper end of the left side of the first beam 4 is provided with an extension plate 8 in parallel, and the extension plate 8 is used as an auxiliary plugging and unplugging structure of the plugging and unplugging device.
The inner cavity of the nut strip jack 19 is provided with vertically symmetrical guide grooves 11, the inner cavity of each guide groove 11 is inserted with a nut strip 7, screws 9 are matched and screwed in screw holes in the nut strips 7, the structural design of the guide grooves 11 of the screw guide structures is additionally arranged on the fixing structures of the nut strips 7, and the special tip loose-free screws 9 for the matched panel can automatically guide the fixing positions of the back plate 13, so that the fixing upper and lower position accuracy of the back plate 13 on a cross beam is improved, and the structural accuracy of the whole case is effectively improved.
The working principle is as follows: the double-layer cover plate supporting and fixing structure is utilized, the structural requirements of the case on high IP performance and high EMC performance are met, meanwhile, the novel structure also meets the requirements of the case on the outline dimensional accuracy and the structural requirements for achieving the flatness fixing of the cover plate, the mechanical processing technology of the structure is simplified, and the processing efficiency is improved; utilize support column 17 as aluminium alloy shaping bearing structure, increase aluminium alloy shaping strong point, the gravity deformation of aluminium alloy under the hot working state has been prevented, the structural support function of this type of crossbeam on quick-witted case use has been strengthened simultaneously, the bearing capacity of crossbeam has been increased, through the leading positive groove 11 structural design who has set up screw guide structure on nut strip 7 fixed knot constructs, the special tip of supporting panel is not taken off screw 9 and can be made 13 fixed positions of backplate automatically leading, improve the fixed upper and lower position precision of backplate 13 on the crossbeam, and effectively improve the structural precision of whole quick-witted case.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a rail transit trade equipment crossbeam structure for quick-witted case, includes guide rail (1), its characterized in that: the left end and the right end of the guide rail (1) are respectively provided with a first crossbeam (4) and a second crossbeam (14), the upper end of the guide rail (1) is sequentially provided with an outer cover plate (3) and an inner cover plate (2) in parallel from top to bottom, the first crossbeam (4) and the second crossbeam (14) are inserted between the inner cover plate (2) and the upper end face of the guide rail (1) in a grading bilateral symmetry manner, a support column (17) is arranged on one side of the first crossbeam (4) and the second crossbeam (14) close to the middle position of the guide rail (1), an inner insertion platform (18) is arranged on the upper end face of one side of the first crossbeam (4) and the second crossbeam (14) close to the guide rail (1), nut strip insertion holes (19) are respectively arranged on the outer sides of the first crossbeam (4) and the second crossbeam (14), side plate positioning grooves (12) are respectively arranged at the lower ends of the first crossbeam (4) and the second crossbeam (14), and cover plate insertion grooves (15) are respectively arranged at the middle positions of the, front panel (10) are perpendicularly installed in the left side of first crossbeam (4), and the left side upper end parallel arrangement of first crossbeam (4) has extending plate (8), backplate (13) are perpendicularly installed in the right side of second crossbeam (14), front panel (10) and backplate (13) are all through screw (9) fixed mounting in nut strip jack (19).
2. The cross beam structure for the equipment chassis in the rail transit industry according to claim 1, wherein: a pair of inserting columns (5) which are symmetrical to each other are arranged on the upper end faces of the left side and the right side of the guide rail (1) in the vertical direction, and the inserting columns (5) are inserted into inner cavities of square inserting grooves (16) at the lower ends of the first cross beam (4) and the second cross beam (14).
3. The cross beam structure for the equipment chassis in the rail transit industry according to claim 1, wherein: the lower extreme of support column (17) extends to the up end of guide rail (1) perpendicularly, and mutually perpendicular between the up end of support column (17) and interpolation platform (18), the upper end parallel mount of interpolation platform (18) has inlayer apron (2).
4. The cross beam structure for the equipment chassis in the rail transit industry according to claim 1, wherein: inner cover plate (2) are parallel to each other with outer apron (3), the lower terminal surface of outer apron (3) closely laminates at the up end of first crossbeam (4) and second crossbeam (14), and outer apron (3) can compression molding pit structure (6), makes apron set screw be located under the apron upper flat surface, guarantees apron upper flat surface roughness.
5. The cross beam structure for the equipment chassis in the rail transit industry according to claim 1, wherein: the inner cavity of the nut strip jack (19) is provided with vertically symmetrical guide grooves (11), the inner cavity of each guide groove (11) is inserted with a nut strip (7), and the screw (9) is screwed in a threaded hole in the nut strip (7) in a matched manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338996.8U CN211406537U (en) | 2019-12-24 | 2019-12-24 | Cross beam structure for equipment case in rail transit industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338996.8U CN211406537U (en) | 2019-12-24 | 2019-12-24 | Cross beam structure for equipment case in rail transit industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211406537U true CN211406537U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922338996.8U Active CN211406537U (en) | 2019-12-24 | 2019-12-24 | Cross beam structure for equipment case in rail transit industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211406537U (en) |
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2019
- 2019-12-24 CN CN201922338996.8U patent/CN211406537U/en active Active
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