CN114427176A - Jig frame - Google Patents

Jig frame Download PDF

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Publication number
CN114427176A
CN114427176A CN202210010831.1A CN202210010831A CN114427176A CN 114427176 A CN114427176 A CN 114427176A CN 202210010831 A CN202210010831 A CN 202210010831A CN 114427176 A CN114427176 A CN 114427176A
Authority
CN
China
Prior art keywords
fixing device
nut
adjusting screw
screw rod
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210010831.1A
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Chinese (zh)
Other versions
CN114427176B (en
Inventor
徐升桥
李辉
赵博
杨永明
高静青
刘永锋
郭子煜
胡国华
韩晓方
李先婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Engineering Consulting Group Co Ltd
Original Assignee
China Railway Engineering Consulting Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Engineering Consulting Group Co Ltd filed Critical China Railway Engineering Consulting Group Co Ltd
Priority to CN202210010831.1A priority Critical patent/CN114427176B/en
Publication of CN114427176A publication Critical patent/CN114427176A/en
Application granted granted Critical
Publication of CN114427176B publication Critical patent/CN114427176B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/08Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/08Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
    • E01B25/10Mono-rails; Auxiliary balancing rails; Supports or connections for rails

Abstract

The invention relates to the field of single rails of rail transit, in particular to a jig frame, which comprises a rail beam, wherein a rail beam bottom plate is arranged below the rail beam; the fixing device comprises a first fixing device and a second fixing device, the first fixing device and the second fixing device are arranged on the same horizontal line, the height of the first fixing device is the same as that of the second fixing device, and a gap is formed between the first fixing device and the second fixing device; the adjusting screw rod is arranged between the first fixing device and the second fixing device, and the adjusting screw rod is arranged below the track beam and used for adjusting the linear shape of the track beam.

Description

Jig frame
Technical Field
The invention belongs to the field of monorail of rail transit, and particularly relates to a jig frame.
Background
In the prior art, the steel-concrete combined track beam is adopted by the straddle type monorail, so that the defects of heavy structure and complex construction process of a scheme that a concrete continuous beam is dragged by a PC track beam are overcome, and the problems that the steel track beam is high in cost, wheels and a beam body are easy to slip and the like are also solved. Due to the requirements of multilateral property, complexity and high precision of the track beam line shape, the same jig frame cannot be adopted to finish the manufacture of track beams with different line shapes, the conventional method is to manufacture one-to-one jig frames by combining the line shapes of the track beams, the economy is poor, the efficiency is low, and the precision is difficult to control.
Disclosure of Invention
The invention provides a jig frame, and aims to solve the problems that a steel-concrete combined track beam requires high manufacturing precision, the line shape of a beam body is difficult to control, and the jig frame cannot be used universally in manufacturing and mounting stages.
The embodiment of the application provides a jig frame, which comprises a track beam, a fixing device and an adjusting screw rod; a track beam bottom plate is arranged below the track beam; the fixing device comprises a first fixing device and a second fixing device, the first fixing device and the second fixing device are arranged on the same horizontal line, the height of the first fixing device is the same as that of the second fixing device, and a gap is formed between the first fixing device and the second fixing device; the adjusting screw rod is arranged between the first fixing device and the second fixing device, and the adjusting screw rod is arranged below the track beam and used for adjusting the line shape of the track beam.
Optionally, the adjusting screw rod includes a first adjusting screw rod and a second adjusting screw rod, and both the first adjusting screw rod and the second adjusting screw rod are perpendicular to the bottom surface.
Optionally, the adjusting screw rod is sleeved with an upper adjusting nut and a lower adjusting nut, the upper adjusting nut is arranged above the fixing device, the lower adjusting nut is arranged below the fixing device, the upper adjusting nut is in threaded connection with the adjusting screw rod, and the lower adjusting nut is in threaded connection with the adjusting screw rod.
Optionally, the diameter of the adjusting screw is smaller than the distance between the first fixing device and the second fixing device.
Optionally, the upper end cover of adjustment screw is equipped with first nut and second nut, first nut and second nut with adjustment screw threaded connection, first nut sets up the top of second nut, first nut with the second nut contact, first nut with be provided with the connecting plate between the track beam bottom plate, the top of first nut with the connecting plate contact.
Optionally, two backing plates are arranged above the connecting plate, the two backing plates are arranged right above the adjusting screw rod, one side of each backing plate is in contact with the connecting plate, and the other side of each backing plate is in contact with the bottom plate of the track beam.
Optionally, the fixing device further includes a positioning plate above the fixing device, the positioning plate is perpendicular to the fixing device, the positioning plate includes a first positioning plate and a second positioning plate, and the first positioning plate and the second positioning plate are respectively disposed on two sides of the track beam.
Optionally, the first positioning plate and the second positioning plate are both provided with limiting plates, the limiting plates are perpendicular to the ground, the two limiting plates are parallel to each other, and the distance between the two limiting plates is the same as the width of the track beam bottom plate.
Optionally, slotted holes are formed in two sides of the first fixing device and two sides of the second fixing device, the slotted holes are formed along the length direction of the fixing device, and the first positioning plate and the second positioning plate are detachably connected with the fixing device through the slotted holes.
Optionally, a supporting seat is arranged below the fixing device, and the supporting seat is in threaded connection with the fixing device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the two fixing devices are horizontally arranged and have the same arrangement height, a gap is reserved between the two fixing devices and is arranged on the supporting seat, the two adjusting screw rods are arranged in the gap of the fixing devices, and the first nut, the second nut, the upper adjusting nut and the lower adjusting nut are arranged on the adjusting screw rods, so that the problems of vertical surface basic linear positioning, plane basic linear positioning, vertical adjustment, transverse adjustment and superelevation of a beam body are solved.
2. According to the invention, the limiting plate is arranged on the fixing device to be used as a transverse limiting plate, and the limiting plate is matched with the transverse long round hole formed in the fixing device, so that the device is suitable for track beams with different widths.
3. According to the invention, bolt holes are arranged at the bottom of the supporting seat, and the beam manufacturing base or the temporary support in the mounting stage is connected by bolts, so that the universality of the jig frame in the manufacturing and mounting stages is realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a jig frame according to an embodiment of the present invention.
Fig. 2 is a side view of a jig frame according to an embodiment of the present invention.
Fig. 3 is a top view of a jig frame according to an embodiment of the present invention.
The labels in the figure are: 1. a track beam; 2. a base plate; 3. a connecting plate; 4. a limiting plate; 5. a first positioning plate; 6. a first adjusting screw rod; 7. a first fixing device; 8. a lower fixing bolt; 9. anchor bolts; 10. a supporting seat; 11. a lower adjusting nut; 12. a second adjusting screw rod; 13. a second positioning plate; 14. an upper fixing bolt; 15. an upper adjusting nut; 16. a second nut; 17. a second fixing device; 18. a long round hole; 19. a track beam floor; 20. a first nut.
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 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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the present embodiment provides a jig frame, which includes a track beam 1, a fixing device and an adjusting screw; a track beam bottom plate 19 is arranged below the track beam 1; the fixing device comprises a first fixing device 7 and a second fixing device 17, the first fixing device 7 and the second fixing device 17 are arranged on the same horizontal line, and a gap is formed between the first fixing device and the second fixing device; the adjusting screw rod is arranged between the first fixing device 7 and the second fixing device 17, is arranged below the track beam 1 and is used for adjusting the line shape of the track beam, and can transversely move between the two fixing devices with gaps in a left-right mode by penetrating the adjusting screw rod between the two fixing devices, so that the problem of the planar basic line shape positioning of the beam body is solved.
In a specific embodiment of the present disclosure, the adjusting screw includes a first adjusting screw 6 and a second adjusting screw 12, both the first adjusting screw 6 and the second adjusting screw 12 are disposed perpendicular to the bottom surface, the first adjusting screw 6 and the second adjusting screw are disposed perpendicular to the bottom surface, which is beneficial to ensuring the precision of the alignment, and the positions of the steel rails on two sides of the track beam 1 need to be right above the first adjusting screw 6 and the second adjusting screw 12, so as to ensure the precision of the positioning.
As shown in fig. 1, in one embodiment of the present disclosure, the adjustment screw is sleeved with an upper adjustment nut 15 and a lower adjustment nut 11, the upper adjustment nut 15 is disposed above the fixing device, the lower adjustment nut 11 is disposed below the fixing device, the upper adjustment nut 15 is in threaded connection with the adjustment screw, the lower adjustment nut 11 is in threaded connection with the adjustment screw, by unscrewing the upper adjustment nut 15 and the lower adjustment nut 11, the adjusting screw rod can move up and down in the gap of the fixing device, the adjusting screw rod can be fixed on the fixing device by screwing the upper adjusting nut 15 and the lower adjusting nut 11, the positions of the first adjusting screw rod 6 and the second adjusting screw rod 12 are adjusted in this way, the vertical surface line shape of the track beam 1 at the line position is obtained through measurement lofting, the vertical height required to be adjusted of the adjusting screw rod is obtained through conversion, so that the problems of linear positioning of the vertical surface foundation of the beam body and adjustability in the vertical direction can be solved; according to the actual situation of the flat curve of the track beam 1, the positions of the first adjusting screw rod 6 and the second adjusting screw rod 12 can be obtained through conversion, and the problems of torsion and superelevation of the track beam 1 are solved by fixing the first adjusting screw rod 6 and the second adjusting screw rod 12 at different heights.
As shown in fig. 2, in an embodiment of the present disclosure, the diameter of the adjusting screw is smaller than the distance between the first fixing device 7 and the second fixing device 17, which is beneficial to the adjustment screw moving without friction in the gap between the first fixing device 7 and the second fixing device 17, and ensures that the thread of the adjusting screw is not worn.
In a specific embodiment of this disclosure, the pot head of adjustment lead screw is equipped with first nut 20 and second nut 16, first nut 20 and second nut 16 and adjustment lead screw threaded connection, first nut 20 sets up the top at second nut 16, first nut 20 and second nut 16 contact, be provided with connecting plate 3 between first nut 20 and the track beam bottom plate 19, the top and the connecting plate 3 contact of first nut 20, first nut 20 and second nut 16 adopt two nut structures, when not enough through adjustment lead screw precision, can carry out the vertical direction to the roof beam body and carry out little integer through adjusting first nut 20, can fix first nut 20 through adjusting second nut 16, the precision of the vertical adjustment of the roof beam body has been guaranteed.
In a specific embodiment of this disclosure, be provided with two backing plates 2 above connecting plate 3, two backing plates 2 set up directly over the adjustment screw, one side and the connecting plate 3 contact of backing plate 2, the opposite side contacts with track roof beam bottom plate 19, backing plate 2 is located between connecting plate 3 and the track roof beam bottom plate 19, conduct connecting plate 3 through adjustment screw power, backing plate 2 is favorable to average atress distribution, avoid local stress concentration, two backing plates 2 set up directly over first adjustment screw 6 and second adjustment screw 12, the accuracy of power conduction has been guaranteed, thereby the linear precision of adjustment beam body through adjustment screw has been guaranteed.
As shown in fig. 3, in a specific embodiment of this disclosure, a serial communication port, the fixing device top still includes the locating plate, the locating plate sets up with fixing device is perpendicular, the locating plate includes first locating plate 5 and second locating plate 13, first locating plate 5 and second locating plate 13 set up the both sides at track roof beam 1 respectively, all be provided with limiting plate 4 on first locating plate 5 and the second locating plate 13, limiting plate 4 sets up with ground is perpendicular, two limiting plates 4 are parallel to each other, distance between two limiting plates 4 is the same with the width of track roof beam bottom plate 19, the locating plate vertically sets up along fixing device length direction, the locating plate spanes in first fixing device 7 and the setting of second fixing device 17, limiting plate 4 is through welding vertical fixation on the locating plate, distance between two limiting plates 4 is favorable to the limiting plate to track roof beam 1 horizontal spacing with track roof beam bottom plate 19 width is the same.
As shown in fig. 3, in one embodiment of the present disclosure, the first fixing device 7 and the second fixing device 17 are respectively provided with an elongated hole 18 at both sides, the elongated hole 18 is arranged along the length direction of the fixing device, the first positioning plate 5 and the second positioning plate 13 are respectively detachably connected with the fixing device through the elongated hole 18, according to the actual situation of the located track beam 1, the first positioning plate 5 and the second positioning plate 13 are moved to adapt to the width of the actual track beam 1 in the located track by moving the first positioning plate 5 and the second positioning plate 13 transversely on the elongated hole 18, the first positioning plate 5 and the second positioning plate 13 are fixed in the elongated hole 18 through the upper fixing nut 14, the track beam 1 has different widths according to the located track, the first positioning plate 5 and the second positioning plate 13 are fixed in different places of the elongated hole 18 through the upper fixing nut 14, the adaptability of the track beams with different widths can be solved.
In a specific embodiment of this disclosure, fixing device below is provided with supporting seat 10, supporting seat 10 and fixing device threaded connection, and supporting seat 10 is fixed with fixing device through fixing bolt 9 down, and the fixing device bottom is provided with the bolt hole, connects system beam base or installation stage temporary stand through rag bolt 9, can realize making and installation stage bed-jig commonality, in addition, still can be convenient for the removal of bed-jig through the bolt hole installation detachable truckle of fixing device bottom.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A jig frame, comprising:
the track beam comprises a track beam (1), wherein a track beam bottom plate (19) is arranged below the track beam (1);
the fixing device comprises a first fixing device (7) and a second fixing device (17), the first fixing device (7) and the second fixing device (17) are arranged on the same horizontal line, the height of the first fixing device (7) is the same as that of the second fixing device (17), and a gap is arranged between the first fixing device (7) and the second fixing device (17); and
the adjusting screw rod is arranged between the first fixing device (7) and the second fixing device (17), and the adjusting screw rod is arranged below the track beam (1) and used for adjusting the line shape of the track beam (1).
2. The jig frame according to claim 1, wherein: the adjusting screw rod comprises a first adjusting screw rod (6) and a second adjusting screw rod (12), and the first adjusting screw rod (6) and the second adjusting screw rod (12) are both perpendicular to the ground.
3. The jig frame according to claim 1, wherein: the adjusting screw rod is sleeved with an upper adjusting nut (15) and a lower adjusting nut (11), the upper adjusting nut (15) is arranged above the fixing device, the lower adjusting nut (11) is arranged below the fixing device, the upper adjusting nut (15) is in threaded connection with the adjusting screw rod, and the lower adjusting nut (11) is in threaded connection with the adjusting screw rod.
4. The jig frame according to claim 1, wherein: the diameter of the adjusting screw is smaller than the distance between the first fixing device (7) and the second fixing device (17).
5. The jig frame according to claim 1, wherein: the upper end cover of adjustment lead screw is equipped with first nut (20) and second nut (16), first nut (20) and second nut (16) with adjustment lead screw threaded connection, first nut (20) set up the top of second nut (16), first nut (20) with second nut (16) contact, first nut (20) with be provided with connecting plate (3) between track beam bottom plate (19), the top of first nut (20) with connecting plate (3) contact.
6. The jig frame according to claim 5, wherein: two backing plates (2) are arranged above the connecting plate (3), the two backing plates (2) are arranged right above the adjusting screw rod, one side of each backing plate (2) is in contact with the connecting plate (3), and the other side of each backing plate is in contact with the rail beam bottom plate (19).
7. The jig frame according to claim 1, wherein: the fixing device is characterized by further comprising a positioning plate, the positioning plate is perpendicular to the fixing device and comprises a first positioning plate (5) and a second positioning plate (13), and the first positioning plate (5) and the second positioning plate (13) are arranged on two sides of the track beam (1) respectively.
8. The jig frame according to claim 7, wherein: limiting plates (4) are arranged on the first positioning plate (5) and the second positioning plate (13), the limiting plates (4) are perpendicular to the ground, the two limiting plates (4) are parallel to each other, and the distance between the two limiting plates (4) is the same as the width of the track beam bottom plate (19).
9. The jig frame according to claim 7, wherein: slotted holes (18) are formed in two sides of the first fixing device (7) and the second fixing device (17), the slotted holes (18) are formed in the length direction of the fixing devices, and the first positioning plate (5) and the second positioning plate (13) are detachably connected with the fixing devices through the slotted holes (18).
10. The jig frame according to claim 1, wherein: a supporting seat (10) is arranged below the fixing device, and the supporting seat (10) is in threaded connection with the fixing device.
CN202210010831.1A 2022-01-06 2022-01-06 Bed-jig Active CN114427176B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210010831.1A CN114427176B (en) 2022-01-06 2022-01-06 Bed-jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210010831.1A CN114427176B (en) 2022-01-06 2022-01-06 Bed-jig

Publications (2)

Publication Number Publication Date
CN114427176A true CN114427176A (en) 2022-05-03
CN114427176B CN114427176B (en) 2023-10-20

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Application Number Title Priority Date Filing Date
CN202210010831.1A Active CN114427176B (en) 2022-01-06 2022-01-06 Bed-jig

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116766363A (en) * 2023-08-22 2023-09-19 中铁六局集团太原铁路建设有限公司 Integral magnetic levitation track beam template tool and method for manufacturing magnetic levitation track beam

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07197474A (en) * 1993-12-29 1995-08-01 Unitec:Kk Device for centering anchor bolt and method for centering it
CN103321113A (en) * 2013-07-02 2013-09-25 北京交通大学 Fast production method of track beams different in size and shape
CN106626012A (en) * 2017-03-07 2017-05-10 中铁工程设计咨询集团有限公司 Integral transfer straddle-type monorail PC track beam template
CN208396323U (en) * 2018-03-27 2019-01-18 中冶天工集团有限公司 A kind of height-adjustable hyperboloid reticulated shell assembly moulding bed
CN109610328A (en) * 2018-12-18 2019-04-12 中铁隧道集团处有限公司 Straddle-type monorail Simple-supported PC Rail Beam in Light Rail high accuracy install method
CN211548063U (en) * 2019-12-23 2020-09-22 杭州建工集团有限责任公司 Adjustable bed-jig of toper mast preparation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07197474A (en) * 1993-12-29 1995-08-01 Unitec:Kk Device for centering anchor bolt and method for centering it
CN103321113A (en) * 2013-07-02 2013-09-25 北京交通大学 Fast production method of track beams different in size and shape
CN106626012A (en) * 2017-03-07 2017-05-10 中铁工程设计咨询集团有限公司 Integral transfer straddle-type monorail PC track beam template
CN208396323U (en) * 2018-03-27 2019-01-18 中冶天工集团有限公司 A kind of height-adjustable hyperboloid reticulated shell assembly moulding bed
CN109610328A (en) * 2018-12-18 2019-04-12 中铁隧道集团处有限公司 Straddle-type monorail Simple-supported PC Rail Beam in Light Rail high accuracy install method
CN211548063U (en) * 2019-12-23 2020-09-22 杭州建工集团有限责任公司 Adjustable bed-jig of toper mast preparation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116766363A (en) * 2023-08-22 2023-09-19 中铁六局集团太原铁路建设有限公司 Integral magnetic levitation track beam template tool and method for manufacturing magnetic levitation track beam
CN116766363B (en) * 2023-08-22 2023-11-03 中铁六局集团太原铁路建设有限公司 Integral magnetic levitation track beam template tool and method for manufacturing magnetic levitation track beam

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