CN203569476U - Slip box of retractor device for highway bridge - Google Patents
Slip box of retractor device for highway bridge Download PDFInfo
- Publication number
- CN203569476U CN203569476U CN201320751731.0U CN201320751731U CN203569476U CN 203569476 U CN203569476 U CN 203569476U CN 201320751731 U CN201320751731 U CN 201320751731U CN 203569476 U CN203569476 U CN 203569476U
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- steel tube
- rectangular steel
- connecting base
- steel pipe
- square steel
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Abstract
The utility model relates to a slip box of a retractor device for a highway bridge. The slip box comprises a square steel pipe, which is provided with openings in two ends, and a back end plate, which is arranged on the opening in one end of the square steel pipe, wherein fastening triangular plates are arranged on four right angles in the square steel pipe, an upper connecting seat and a lower connecting seat, which have the same shape and the same size, are arranged on one lateral surface of an inner chamber of the square steel pipe, and anchoring parts, which are symmetrical, are arranged on the outer pipe surfaces on two sides of the square steel pipe. According to the slip box of the retractor device adopted by the utility model, the welding workload is reduced, the integrality is good, the influence of welding deformation on the inner dimensional accuracy of a box body is eliminated, the condition of open weld of the slip box on a welding place is avoided, and meanwhile, the fastening triangular plates are used, so that the integrated structure is reinforced, the mounting positions of the upper connecting seat and the lower connecting seat can be adjusted according to the actual condition, so that the problem of interference between a control spring pressure plate and a center sill due to improper location of an upper screw seat and a lower screw seat is avoided, and meanwhile, the back end plate is connected to the square steel pipe through a bolt connecting piece, so that the connection is firm and reliable, and the welding deformation is avoided.
Description
Technical field
The utility model relates to building bearing device technique field, relates in particular to a kind of stretching device slippage case of highway bridge.
Background technology
Fast development along with highway transportation; traffic volume of highway and carload lot are also increasing; this properties to Expansion Units for Highway Bridges is had higher requirement; slippage case is as the most important load-bearing of modular expansion device, displacement component; vehicular load will be delivered to fast in bridge construction and remove and protect inner slippage parts, its rational design can improve the application life of stretching device greatly.Present most of slippage case is all to form with Plate Welding, welding deformation in welding process can reduce the dimensional accuracy of box house, affect the assembly precision of flexible member, thereby affect the application life of displacement system, and welding quality is difficult for guaranteeing, if it is unreal that the concrete of bottom half is built, under the repeated action of vehicular load, often there is the situation that slippage case snaps at weld, have a strong impact on the application life of stretching device, mostly the seat of spiral shell up and down that slippage case inner side is used for fixing control spring pressing plate is to be directly welded and fixed, upper and lower spiral shell seat is put non-adjustable, fixed form is improper, affect the displacement function of stretching device, and in the stretching device of oblique, often there is the improper situation that causes that control spring pressing plate and central sill generation are interfered in upper and lower spiral shell seat location.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of stretching device slippage case of highway bridge is provided, adopt rectangular steel tube as slippage casing, good integrity, sound construction is reliable, long service life, the position of the seat of spiral shell up and down in rectangular steel tube, can need to regulate according to installing, easy to use.
The utility model is achieved through the following technical solutions: a kind of stretching device slippage case of highway bridge, the rectangular steel tube and the end plate that is arranged on rectangular steel tube one end opening that comprise both ends open, in the pipe of described rectangular steel tube, place, four right angles is provided with fastening set square, inner chamber one side of rectangular steel tube is provided with upper connecting base and the lower connecting base that shape size is identical, and described rectangular steel tube both sides outer tube surface is provided with the anchoring piece being arranged symmetrically with.
Further, four jiaos, the plate face of described end plate is connected with the fastening set square in rectangular steel tube by connector, and described fastening set square connects end and is provided with the connecting hole being connected with connector.
Further, described upper connecting base and lower connecting base are arranged in parallel up and down, upper connecting base and lower connecting base are all connected to form by spiral shell seat, the fixed head that is arranged on spiral shell seat bottom, the slide block that is arranged on fixed head lower surface middle part, wherein said spiral shell seat is provided with connecting screw hole, and described fixed head two ends are connected with rectangular steel tube inner chamber side by fastening bolt.
Further, described rectangular steel tube inner chamber side is provided with the chute of connection sliding block, described chute both sides are provided with several bolts hole that are connected with fastening bolt, described bolt hole is symmetrically arranged with two rows about chute, and described upper connecting base and lower connecting base are by moving up and down the position being adjusted on rectangular steel tube inner chamber side along chute.
Compared with prior art, the beneficial effects of the utility model are: the utility model adopts rectangular steel tube as slippage casing, reduced welding job amount, good integrity, eliminated the impact of welding deformation on box house dimensional accuracy, the situation of having avoided slippage case to snap at weld, in the pipe of rectangular steel tube, place, four right angles is provided with fastening set square simultaneously, the corner of square shaped steel pipe is reinforced, reinforced overall structure, the long service life of rectangular steel tube, upper connecting base in rectangular steel tube and lower connecting base are designed to removable adjustable type, the installation site of upper connecting base and lower connecting base can regulate according to actual conditions, avoided the problem because of the upper and lower spiral shell seat improper control spring pressing plate causing in location and central sill interference, with bolts of end plate is connected with rectangular steel tube simultaneously, firm and reliable connection, avoided welding deformation.
Accompanying drawing explanation
Fig. 1 is the front view of the stretching device slippage case of a kind of highway bridge of the utility model;
Fig. 2 is the sectional drawing of the stretching device slippage case of a kind of highway bridge of the utility model;
Fig. 3 is the rear elevation of the stretching device slippage case of a kind of highway bridge of the utility model;
Fig. 4 is the rear elevation of the utility model slippage case while not placing end plate;
Fig. 5 is the front view of the utility model upper connecting base and lower connecting base;
Fig. 6 is the lateral view of the utility model upper connecting base and lower connecting base.
Wherein: 1, rectangular steel tube; 2, fastening set square; 3, upper connecting base; 4, lower connecting base; 5, anchoring piece; 6, chute; 7, fastening bolt; 8, bolt hole; 9, end plate; 10, spiral shell seat; 11, fixed head; 12, slide block; 13, connecting screw hole; 14, connector; 15, connecting hole.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1-6, the utility model relates to a kind of stretching device slippage case of highway bridge, the rectangular steel tube 1 and the end plate 9 that is arranged on rectangular steel tube 1 one end openings that comprise both ends open, in the pipe of described rectangular steel tube 1, place, four right angles is provided with fastening set square 2, inner chamber one side of rectangular steel tube 1 is provided with upper connecting base 3 and the lower connecting base 4 that shape size is identical, described rectangular steel tube 1 both sides outer tube surface is provided with the anchoring piece 5 being arranged symmetrically with, four jiaos, the plate face of described end plate 9 is connected with the fastening set square 2 in rectangular steel tube 1 by connector 14, described fastening set square 2 connects end and is provided with the connecting hole 15 being connected with connector 14, described upper connecting base 3 and lower connecting base 4 are arranged in parallel up and down, upper connecting base 3 and lower connecting base 4 are all by spiral shell seat 10, be arranged on the fixed head 11 of spiral shell seat 10 bottoms, the slide block 12 that is arranged on fixed head 11 middle parts, lower surface connects to form, wherein said spiral shell seat 10 is provided with connecting screw hole 13, described fixed head 11 two ends are connected with rectangular steel tube 1 inner chamber side by fastening bolt 7, described rectangular steel tube 1 inner chamber side is provided with the chute 6 of connection sliding block 12, described chute 6 both sides are provided with several bolts hole 8 that are connected with fastening bolt 7, described bolt hole 8 is symmetrically arranged with two rows about chute 6, described upper connecting base 3 and lower connecting base 4 are by moving up and down the position being adjusted on rectangular steel tube 1 inner chamber side along chute 6.
In sum, the utility model adopts rectangular steel tube 1 as slippage casing, reduced welding job amount, good integrity, eliminated the impact of welding deformation on box house dimensional accuracy, the situation of having avoided slippage case to snap at weld, in the pipe of rectangular steel tube 1, place, four right angles is provided with fastening set square 2 simultaneously, the corner of square shaped steel pipe 1 is reinforced, reinforced overall structure, the long service life of rectangular steel tube 1, upper connecting base 3 and lower connecting base 4 in rectangular steel tube 1 are designed to removable adjustable type, the installation site of upper connecting base 3 and lower connecting base 4 can regulate according to actual conditions, avoided the problem because of the upper and lower spiral shell seat improper control spring pressing plate causing in location and central sill interference, end plate 9 adopts connector 14 to be connected with rectangular steel tube 1 simultaneously, firm and reliable connection, avoided welding deformation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the stretching device slippage case of a highway bridge, comprise the rectangular steel tube (1) of both ends open and be arranged on the end plate (9) of rectangular steel tube (1) one end opening, it is characterized in that, in the pipe of described rectangular steel tube (1), place, four right angles is provided with fastening set square (2), inner chamber one side of rectangular steel tube (1) is provided with the upper connecting base that shape size is identical (3) and lower connecting base (4), and described rectangular steel tube (1) both sides outer tube surface is provided with the anchoring piece (5) being arranged symmetrically with.
2. the stretching device slippage case of a kind of highway bridge according to claim 1, it is characterized in that, four jiaos, the plate face of described end plate (9) is connected with the fastening set square (2) in rectangular steel tube (1) by connector (14), and described fastening set square (2) connection end is provided with the connecting hole (15) being connected with connector (14).
3. the stretching device slippage case of a kind of highway bridge according to claim 1, it is characterized in that, described upper connecting base (3) and lower connecting base (4) are arranged in parallel up and down, upper connecting base (3) and lower connecting base (4) are all connected to form by spiral shell seat (10), the fixed head (11) that is arranged on spiral shell seat (10) bottom, the slide block (12) that is arranged on fixed head (11) lower surface middle part, wherein said spiral shell seat (10) is provided with connecting screw hole (13), and described fixed head (11) two ends are connected with rectangular steel tube (1) inner chamber side by fastening bolt (7).
4. according to the stretching device slippage case of a kind of highway bridge described in claim 1 or 3, it is characterized in that, described rectangular steel tube (1) inner chamber side is provided with the chute (6) of connection sliding block (12), described chute (6) both sides are provided with several bolts hole (8) that are connected with fastening bolt (7), described bolt hole (8) is symmetrically arranged with two rows about chute (6), and described upper connecting base (3) and lower connecting base (4) are by moving up and down the position being adjusted on rectangular steel tube (1) inner chamber side along chute (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320751731.0U CN203569476U (en) | 2013-11-17 | 2013-11-17 | Slip box of retractor device for highway bridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320751731.0U CN203569476U (en) | 2013-11-17 | 2013-11-17 | Slip box of retractor device for highway bridge |
Publications (1)
Publication Number | Publication Date |
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CN203569476U true CN203569476U (en) | 2014-04-30 |
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ID=50537216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320751731.0U Expired - Fee Related CN203569476U (en) | 2013-11-17 | 2013-11-17 | Slip box of retractor device for highway bridge |
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CN (1) | CN203569476U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104562925A (en) * | 2014-12-25 | 2015-04-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Expansion device with adjustable steel plate anchoring members |
CN107083743A (en) * | 2017-06-19 | 2017-08-22 | 金佳琪 | A kind of bridge expansion joint installation |
-
2013
- 2013-11-17 CN CN201320751731.0U patent/CN203569476U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104562925A (en) * | 2014-12-25 | 2015-04-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Expansion device with adjustable steel plate anchoring members |
CN107083743A (en) * | 2017-06-19 | 2017-08-22 | 金佳琪 | A kind of bridge expansion joint installation |
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Legal Events
Date | Code | Title | Description |
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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: 20140430 Termination date: 20141117 |
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EXPY | Termination of patent right or utility model |