CN204875527U - Public road bridge roof beam supports heel post - Google Patents
Public road bridge roof beam supports heel post Download PDFInfo
- Publication number
- CN204875527U CN204875527U CN201520473340.6U CN201520473340U CN204875527U CN 204875527 U CN204875527 U CN 204875527U CN 201520473340 U CN201520473340 U CN 201520473340U CN 204875527 U CN204875527 U CN 204875527U
- Authority
- CN
- China
- Prior art keywords
- bearing
- base
- leading screw
- support bar
- heel post
- 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.)
- Expired - Fee Related
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a public road bridge roof beam supports heel post, includes base, its characterized in that: the upper surface intermediate position of base is equipped with the bearing, be equipped with the lead screw in the bearing, be equipped with driven pulley on the lead screw, driven pulley passes through the initiative belt pulley connection on belt and the motor, the upper end of lead screw is equipped with the internal screw thread axle sleeve, the top and the top beam connected of axle sleeve, be equipped with the stay tube on the base of lead screw both sides, be equipped with the bracing piece in the stay tube, the top and the top beam connected of bracing piece, the utility model discloses can be effectual the quantity of heel post in the reduction construction region, can reach the purpose that reduces heel post quantity and don't influence the bearing effect through reasonable distribution, the main part atress is reasonable, bearing capacity is high, construction cost hangs down.
Description
Technical field
The utility model relates to a kind of highway bridge and supports load-bearing pillar.
Background technology
Some bridge construction operations often can be run into for building operations; this wherein can run into tunnel or the construction of door opening and maintenance; and often use a kind of load-bearing pillar being directed to the facility such as tunnel or door opening when relating to this type of construction operation, as to the support of this facility and protection.The Area of bearing of the load-bearing pillar used at present is little, and the quantity of the load-bearing pillar used in construction area is many, brings a lot of inconvenience to construction.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency, provides a kind of highway bridge to support load-bearing pillar.
Described object is achieved by the following scheme: a kind of highway bridge supports load-bearing pillar, comprise base, the upper surface centre position of described base is provided with bearing, leading screw is provided with in described bearing, described leading screw is provided with negative pulley wheel, described negative pulley wheel is connected with the drive pulley on motor by belt, female axle sleeve is established in the upper end of described leading screw, the top of described axle sleeve is connected with back timber, the base of described leading screw both sides is provided with stay pipe, be provided with support bar in described stay pipe, the top of described support bar is connected with back timber.The bottom of described base is provided with twice groove, two ends in described groove are hinged with support arm by a rotating shaft, the lower end of described support arm is provided with runner, the corresponding position of two support arms is provided with No. two rotating shafts, also comprise pipe box, be provided with cylindrical spring in described pipe box, the two ends of described cylindrical spring are connected with No. two rotating shafts by support bar.
The described stay pipe position corresponding with support bar is provided with pin-and-hole, is provided with pin in described pin-and-hole.
The utility model has the following advantages: the utility model effectively can reduce the quantity of load-bearing pillar in construction area, the object reducing load-bearing pillar quantity and don't affect load bearing effect can be reached by reasonable layout, main body reasonable stress, supporting capacity is high, and construction cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1-base, 2-bearing, 3-leading screw, 4-negative pulley wheel, 5-motor, 6-drive pulley, 7-axle sleeve, 8-back timber, 9-stay pipe, 10-support bar, 11-pin-and-hole, 12-pin.24-groove, 25-rotating shaft, 26-support arm, 27-runner, 28-No. bis-rotating shafts, 29-pipe box, 30-cylindrical spring, 31-support bar.
Detailed description of the invention
The utility model is elaborated preferred embodiment below in conjunction with accompanying drawing.
A kind of highway bridge supports load-bearing pillar, comprise base 1, the upper surface centre position of described base 1 is provided with bearing 2, leading screw 3 is provided with in described bearing 2, described leading screw 3 is provided with negative pulley wheel 4, described negative pulley wheel 4 is connected with the drive pulley 6 on motor 5 by belt, female axle sleeve 7 is established in the upper end of described leading screw 3, the top of described axle sleeve 7 is connected with back timber 8, the base 1 of described leading screw 3 both sides is provided with stay pipe 9, support bar 10 is provided with in described stay pipe 9, the top of described support bar 10 is connected with back timber 8, the bottom of described base 1 is provided with twice groove 24, two ends in described groove 24 are hinged with support arm 26 by a rotating shaft 25, the lower end of described support arm 26 is provided with runner 27, the corresponding position of two support arms 26 is provided with No. two rotating shafts 28, also comprise pipe box 29, cylindrical spring 30 is provided with in described pipe box 29, the two ends of described cylindrical spring 30 are connected with No. two rotating shafts 28 by support bar 31.Described stay pipe 9 position corresponding with support bar 10 is provided with pin-and-hole 11, is provided with pin 12 in described pin-and-hole 11.
Bearing 2 is arranged in bearing support, bearing support is embedded on base 1, and the bottom of leading screw 3 is arranged in bearing 2, and motor 5 is connected with power line by switch, motor 5 is set to main story and reversion by circuit, starter motor 5, the drive pulley 6 on motor 5 drives negative pulley wheel 4 to rotate, and leading screw 3 rotates simultaneously, by axle sleeve 7 by back timber 8 jack-up, pin 12 is inserted in pin-and-hole 11, stay pipe 9 and support bar 10 is fixed, supports bridge.
Two support arms 26 are pulled out in groove 24 by a rotating shaft 25, and by the elastic force of cylindrical spring 30, support bar 31 pairs of support arms 26 are supported, avoid the inclination of support arm 26, runner 27 cannot promote.With rear, by the rotation of a rotating shaft 25 and No. two rotating shafts 28, support arm 26, runner 27 and support bar 31 be together arranged in groove 25, the stability of base 1 can not be delayed.Easy to use.
Present embodiment does not just limit its protection domain to the exemplary illustrated of this patent; those skilled in the art can also carry out local to it and change; as long as no the Spirit Essence exceeding this patent, be all considered as the equivalent replacement to this patent, all at the protection domain of this patent.
Claims (2)
1. a highway bridge supports load-bearing pillar, comprise base (1), it is characterized in that: the upper surface centre position of described base (1) is provided with bearing (2), leading screw (3) is provided with in described bearing (2), described leading screw (3) is provided with negative pulley wheel (4), described negative pulley wheel (4) is connected with the drive pulley (6) on motor (5) by belt, female axle sleeve (7) is established in the upper end of described leading screw (3), the top of described axle sleeve (7) is connected with back timber (8), the base (1) of described leading screw (3) both sides is provided with stay pipe (9), support bar (10) is provided with in described stay pipe (9), the top of described support bar (10) is connected with back timber (8), the bottom of described base (1) is provided with twice groove (24), two ends in described groove (24) are hinged with support arm (26) by a rotating shaft (25), the lower end of described support arm (26) is provided with runner (27), the position that two support arms (26) are corresponding is provided with No. two rotating shafts (28), also comprise pipe box (29), cylindrical spring (30) is provided with in described pipe box (29), the two ends of described cylindrical spring (30) are connected with No. two rotating shafts (28) by support bar (31).
2. highway bridge according to claim 1 supports load-bearing pillar, it is characterized in that: described stay pipe (9) position corresponding with support bar (10) is provided with pin-and-hole (11), is provided with pin (12) in described pin-and-hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473340.6U CN204875527U (en) | 2015-07-04 | 2015-07-04 | Public road bridge roof beam supports heel post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473340.6U CN204875527U (en) | 2015-07-04 | 2015-07-04 | Public road bridge roof beam supports heel post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204875527U true CN204875527U (en) | 2015-12-16 |
Family
ID=54819919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520473340.6U Expired - Fee Related CN204875527U (en) | 2015-07-04 | 2015-07-04 | Public road bridge roof beam supports heel post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204875527U (en) |
-
2015
- 2015-07-04 CN CN201520473340.6U patent/CN204875527U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |