CN209408832U - A kind of screw mechanism for adjustable track beam forms curve - Google Patents
A kind of screw mechanism for adjustable track beam forms curve Download PDFInfo
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- CN209408832U CN209408832U CN201821976938.7U CN201821976938U CN209408832U CN 209408832 U CN209408832 U CN 209408832U CN 201821976938 U CN201821976938 U CN 201821976938U CN 209408832 U CN209408832 U CN 209408832U
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- nut
- screw rod
- adjusting screw
- scale
- template
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Abstract
The utility model discloses a kind of screw mechanisms for adjustable track beam forms curve, including adjusting screw rod, nut assembly and scale, nut assembly is connected on adjusting screw rod, it is provided with scale on scale and is parallel to adjusting screw rod arrangement, the both ends of scale pass through fixed bracket respectively and sliding support is connect with adjusting screw rod and nut assembly, nut assembly is limited by the support frame of template, and one end of adjusting screw rod is articulated with template outer wall；This screw mechanism of several groups is longitudinally arranged along template；Push away adjusting screw rod by the nut of rotating nut component, draw ring is come the curve of adjusting template, the scale variation determination for pushing away, drawing distance by observation scale of adjusting screw rod.Easy to operate, high reliablity is adjusted, template can be adjusted to the construction requirement for meeting different sweep beam type to arbitrary sweep.
Description
Technical field
The utility model relates to a kind of track beam prefabricated forms, and in particular to a kind of for adjustable track beam forms curve
Screw mechanism.
Background technique
Currently, domestic city rail traffic such as light rail, middle low speed magnetic suspension, the design of Monorail PC Track Girders route, more next
More uses monorail transit mode.Its track girder is both the load-carrying members of vehicle and the track of vehicle operation, therefore is designed
When in addition to it must assure that the intensity of track girder, rigidity, it is necessary to ensure the linear precision of track girder.If using traditional sizing
Steel form carries out track girder prefabricated construction, since route Curvature varying range is wide in city, needs to manufacture very more different radiis
Template curve will lead to huge waste.To achieve the purpose that reduce template cost, this requires template curve songs to do, i.e., single set
Template can meet the requirement of a variety of sweeps, and when conventional template adjustment curve generallys use the realization of common support screw rod, this
Screw rod degree of regulation is lower, and when use need to separately match extension bar, and the operating space needed is larger, inconvenient for operation, regulating time is long,
Cumulative errors are big, working efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of high reliablity, easy to operate adjusting screw rod mechanism, accurately adjust
The curve for saving track beam form, to guarantee the linear precision of track girder.
This screw mechanism for adjustable track beam forms curve provided by the utility model, including adjusting screw rod, spiral shell
Female component and scale, nut assembly are connected on adjusting screw rod, and scale is provided on scale and is parallel to adjusting screw rod arrangement, scale
Both ends pass through fixed bracket respectively and sliding support is connect with adjusting screw rod and nut assembly, the branch that nut assembly passes through template
Support limit, one end of adjusting screw rod is articulated with template outer wall；This screw mechanism of several groups is longitudinally arranged along template；Pass through rotation
The nut of nut assembly pushes away adjusting screw rod, draw ring carrys out the curve of adjusting template, and adjusting screw rod pushes away, distance is drawn to pass through observation
The scale of scale, which changes, to be determined.
The nut assembly includes that nut, nut fixing seat, nut snap-gauge and support base, support base are movably set in
On the spiro rod section of adjusting screw rod, nut is connected to the outer end that support base is corresponded on screw rod, the both ends of nut fixing seat respectively with branch
Support seat is connected with nut outer wall, and nut snap-gauge corresponds to the outer end of nut fixing seat flush-mounted in nut outer wall, and nut can be solid in nut
It is freely rotated in reservation and nut snap-gauge.
The support base includes support plate and otic placode, and the center position of support plate has aperture to be greater than outside the adjusting screw rod
The circular hole of diameter, otic placode have two pairs, are symmetrically welded in there is the circular hole through its thickness on the two sides of circular hole in support plate, otic placode；Branch
Seat is supportted with its otic placode towards the nut, is set on the spiro rod section of adjusting screw rod by the circular hole in support plate.
The nut is the T-nut of turret head, is connected on the spiro rod section of the adjusting screw rod, the head direction of nut
Bulge loop on adjusting screw rod；The screw thread of adjusting screw rod spiro rod section and nut is all made of self-locking thread.
The nut fixing seat includes fixed plate and connection otic placode, and the center position of fixed plate has aperture to be greater than the spiral shell
Female outer diameter is less than the circular hole of nipple heads size, and connection otic placode has two pieces, is symmetrically welded in the two sides of circular hole in fixed plate, connection
There is the circular hole through its thickness on otic placode.
The fixed plate of nut fixing seat is placed on nut outer wall, is limited by the head of nut, two pieces of companies of nut fixing seat
Ear connecting plate is inserted into respectively between two pairs of otic placodes of support base, hinged by the pin shaft for passing through circular hole.
The nut snap-gauge includes two pieces of semicircle ring flat-plates, and the nut outer wall corresponds to the outer of the nut fixing seat fixed plate
There is annular groove at end, and nut snap-gauge is rear in annular groove to be fastened by fastener and fixed plate.
The sliding support includes lantern ring and vertical welding in the bolt of lantern ring outer wall.
There is radial screw bore in the fixed plate lateral margin of the nut fixing seat, and the bolt is screwed into the radial screw bore, set
It is located on the scale, scale can move in lantern ring.
This regulating mechanism is set between the support frame of track beam form and template, and nut assembly is limited by support frame
Position, one end of adjusting screw rod and template outer wall are hinged.Adjusting screw rod is moved left and right pair by the nut of rotating nut component
Template generates push-and-pull action can also offset the work of concrete lateral pressure to play the role of adjusting template curve of course simultaneously
With template can be adjusted to the construction requirement for meeting different sweep beam type to arbitrary sweep.Adjusting screw rod or so moves
Dynamic distance can be accurate determining by observing the scale variation of scale, to improve the precision adjusted to template curve, guarantees rail
Linear precision after road is beam prefabricated only needs rotating nut in operating process and observes the scale variation of scale.So this adjusting machine
Structure has high reliablity, easy to operate advantage.
Detailed description of the invention
Fig. 1 is the use state diagram of one embodiment of the utility model.
Fig. 2 is the structural schematic diagram of the present embodiment.
Specific embodiment
This screw mechanism for adjustable track beam forms curve disclosed in the present embodiment, including adjusting screw rod 1, support
Seat 2, connecting lug 3, nut 4, nut fixing seat 5, nut snap-gauge 6, pin shaft 7, scale 8, sliding support 9, fixed bracket 10.
There is bulge loop 11 at the middle part of adjusting screw rod 1, and the side of bulge loop is adjusting screw rod section 12, the other side is light bar segment 13.
The end of 1 light bar segment of adjusting screw rod is connected with connecting lug 3.
Support base 2, nut 4, nut fixing seat 5 and nut snap-gauge 6 form nut assembly.
Support base 2 includes support plate 21 and two pairs of otic placodes 22.Support plate 21 is rectangular slab, and center, which has to be greater than, to be adjusted
The circular hole of 1 outer diameter of screw rod, two pairs of otic placodes 22 are symmetrically welded in the two sides of circular hole in support plate 21.Have on otic placode through its thickness
Circular hole, support base 2 are set on the spiro rod section of adjusting screw rod 1 by the circular hole in its support plate.
Nut 4 is the T-nut of turret head, and middle part outer wall has annular groove.Nut 4 is connected with head towards bulge loop 11
In the outside for corresponding to support base 2 in the adjusting screw rod section of adjusting screw rod, the otic placode 22 of support base 2 is towards nut 4.
Nut fixing seat 5 includes fixed plate 51 and connection otic placode 52, and the center position of fixed plate 51 has aperture to be greater than spiral shell
Female 4 outer diameters are less than the circular hole of nipple heads size, and connection otic placode 52 has two pieces, is symmetrically welded two in circular hole in fixed plate 51
Side has the circular hole through its thickness in connection otic placode 52.
The fixed plate 51 of nut fixing seat 5 is placed on the outer wall of nut 4, is limited by the head of nut 4, nut fixing seat 5
Two pieces of connection otic placodes 52 be inserted between two pairs of otic placodes 22 of support base 2 respectively, nut hinged by the pin shaft 7 for passing through circular hole
Fixing seat 5 can be swung in the horizontal direction by pin shaft 7, to can compensate for the angle because of screw mechanism horizontal nutation after template tune song
Degree.
Nut snap-gauge 6 is two semicircle ring flat-plates, symmetrical in the annular groove of 4 outer wall of nut, passes through bolt and spiral shell
The fixed plate 51 of female fixing seat 5 fastens.
Nut 4 can be freely rotated in nut snap-gauge 6 and nut fixing seat 5.
The screw thread of 1 spiro rod section of adjusting screw rod and nut 4 is all made of self-locking thread, and such adjusting screw rod 1 is in work stress shape
It can guarantee that relative displacement does not occur for nut and adjusting screw rod under state, to improve the service precision of mechanism.
Scale 8 and adjusting screw rod 1 are arranged in parallel, and one end is fixed by the fixation bracket 10 being connected on adjusting screw rod 1,
The other end is supported by being connected to the sliding support 9 of 5 outer wall of nut fixing seat.Scale is set on scale 9, and minimum scale is milli
Rice.
Sliding support 9 includes lantern ring 91 and vertical welding in the bolt 92 of lantern ring outer wall.Have in nut fixing seat 5 for pacifying
The radial screw bore of sliding support 9 is filled, the bolt 92 of sliding support 9 is screwed into the radial screw bore in nut fixing seat 5.Lantern ring
91 are placed on scale 8, and scale 8 can move in lantern ring 91.
As shown in Figure 1, the connecting lug 3 of 1 light bar segment end of adjusting screw rod is articulated with mould by pin shaft when mechanism is installed
The outer wall of plate A, the support plate of support base 2 are welded on support frame B.
The principle of mechanism adjustable track beam forms curve is as follows:
The nut assembly that support base 2, nut 4, nut fixing seat 5 and nut snap-gauge 6 are assembled into is single piece, by support frame
After B and adjusting screw rod 1 install, rotating nut 4 can make adjusting screw rod 1 to the left or move right, to realize to template
Push away or pull outward inward, carry out the curve of adjusting template.Since one end of scale passes through the fixation that is connected on adjusting screw rod 1
Bracket 10 is fixed, so adjusting screw rod 1 is to the left or when moving right, the also synchronizing moving therewith of scale 8, so passing through observation mark
The scale variation of ruler 8 can determine the moving distance of adjusting screw rod 1, improve the accuracy that template curve is adjusted.
Claims (9)
1. a kind of screw mechanism for adjustable track beam forms curve, it is characterised in that: it includes adjusting screw rod, nut assembly
And scale, nut assembly are connected on adjusting screw rod, and scale is provided on scale and is parallel to adjusting screw rod arrangement, the both ends of scale
It is connect respectively by fixed bracket and sliding support with adjusting screw rod and nut assembly, nut assembly is limited by the support frame of template
Position, one end of adjusting screw rod is articulated with template outer wall；This screw mechanism of several groups is longitudinally arranged along template；Pass through rotating nut group
The nut of part pushes away adjusting screw rod, draw ring carrys out the curve of adjusting template, and adjusting screw rod pushes away, distance is drawn to pass through observation scale
Scale variation determines.
2. being used for the screw mechanism of adjustable track beam forms curve as described in claim 1, it is characterised in that: the nut group
Part includes nut, nut fixing seat, nut snap-gauge and support base, and support base is movably set in the spiro rod section of adjusting screw rod
On, nut is connected to the outer end that support base is corresponded on screw rod, and the both ends of nut fixing seat connect with support base and nut outer wall respectively
It connects, nut snap-gauge corresponds to the outer end of nut fixing seat flush-mounted in nut outer wall, and nut can be in nut fixing seat and nut snap-gauge
It is freely rotated.
3. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 2, it is characterised in that: the support base
Including support plate and otic placode, the circular hole that the center position of support plate has aperture to be greater than the adjusting screw rod outer diameter, otic placode has two
It is right, it is symmetrically welded in there is the circular hole through its thickness on the two sides of circular hole in support plate, otic placode；Support base is with its otic placode towards institute
Nut is stated, is set on the spiro rod section of adjusting screw rod by the circular hole in support plate.
4. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 3, it is characterised in that: the nut is
The T-nut of turret head is connected on the spiro rod section of the adjusting screw rod, and the head of nut is towards the bulge loop on adjusting screw rod；
The screw thread of adjusting screw rod spiro rod section and nut is all made of self-locking thread.
5. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 4, it is characterised in that: the nut is solid
Reservation includes fixed plate and connection otic placode, and the center position of fixed plate has aperture to be greater than the nut outer diameter less than nipple heads
The circular hole of size, connection otic placode have two pieces, are symmetrically welded in having on the two sides of circular hole in fixed plate, connection otic placode through its thickness
Circular hole.
6. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 5, it is characterised in that: nut fixing seat
Fixed plate be placed on nut outer wall, limited by the head of nut, two pieces of connection otic placodes of nut fixing seat are inserted into support respectively
It is hinged by the pin shaft for passing through circular hole between two pairs of otic placodes of seat.
7. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 5, it is characterised in that: the nut card
Plate includes two pieces of semicircle ring flat-plates, and there are annular groove, nut in the outer end that the nut outer wall corresponds to the nut fixing seat fixed plate
Snap-gauge is rear in annular groove to be fastened by fastener and fixed plate.
8. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 5, it is characterised in that: the sliding branch
Frame includes lantern ring and vertical welding in the bolt of lantern ring outer wall.
9. being used for the screw mechanism of adjustable track beam forms curve as claimed in claim 8, it is characterised in that: the nut is solid
There is radial screw bore in the fixed plate lateral margin of reservation, and the bolt is screwed into the radial screw bore, and set is located on the scale, marks
Ruler can move in lantern ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976938.7U CN209408832U (en) | 2018-11-28 | 2018-11-28 | A kind of screw mechanism for adjustable track beam forms curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976938.7U CN209408832U (en) | 2018-11-28 | 2018-11-28 | A kind of screw mechanism for adjustable track beam forms curve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209408832U true CN209408832U (en) | 2019-09-20 |
Family
ID=67935743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821976938.7U Active CN209408832U (en) | 2018-11-28 | 2018-11-28 | A kind of screw mechanism for adjustable track beam forms curve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209408832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395983A (en) * | 2022-01-07 | 2022-04-26 | 中铁工程设计咨询集团有限公司 | Straddle type single-rail steel-concrete track beam bridge deck pouring template and bridge deck pouring method |
| CN115030032A (en) * | 2022-07-25 | 2022-09-09 | 成都天府轨谷科技有限公司 | Adjustable curve rail groove adjusting support for linear box-shaped bridge and using method thereof |
-
2018
- 2018-11-28 CN CN201821976938.7U patent/CN209408832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395983A (en) * | 2022-01-07 | 2022-04-26 | 中铁工程设计咨询集团有限公司 | Straddle type single-rail steel-concrete track beam bridge deck pouring template and bridge deck pouring method |
| CN115030032A (en) * | 2022-07-25 | 2022-09-09 | 成都天府轨谷科技有限公司 | Adjustable curve rail groove adjusting support for linear box-shaped bridge and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hunan business culture and Technology Industrial Park, Zhongfang County, Huaihua City, Hunan Province Patentee after: Hunan Wuxin Intelligent Technology Co.,Ltd. Address before: Hunan business culture and Technology Industrial Park, Zhongfang County, Huaihua City, Hunan Province Patentee before: Hunan China Railway Wuxin Steel Mould Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |