CN109024301B - Expansion joint stretching equipment - Google Patents
Expansion joint stretching equipment Download PDFInfo
- Publication number
- CN109024301B CN109024301B CN201811028739.8A CN201811028739A CN109024301B CN 109024301 B CN109024301 B CN 109024301B CN 201811028739 A CN201811028739 A CN 201811028739A CN 109024301 B CN109024301 B CN 109024301B
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- CN
- China
- Prior art keywords
- screw rod
- baffle
- tensioning
- backing plate
- limit baffle
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to expansion joint stretching equipment, which comprises a base and a stretching mechanism; the top of the base is provided with a platform; the tensioning mechanism comprises a backing plate assembly, a limiting baffle, a tensioning screw and a movable baffle; the backing plate assembly comprises an upper backing plate and a lower backing plate; the upper backing plate and the lower backing plate are arranged up and down oppositely and are respectively assembled and fixed on the top surface and the bottom surface of the platform; the limit baffle is welded and fixed at the center of the top surface of the upper base plate, and the upper end of the limit baffle is provided with a mounting hole along the horizontal direction; the tensioning screw rod horizontally penetrates through the mounting hole, one end of the tensioning screw rod horizontally extends out to the rear side of the limit baffle plate, the extending end of the tensioning screw rod is provided with a limit nut in a matched mode, and the other end of the tensioning screw rod horizontally extends out to the front side of the limit baffle plate; a rotary table is welded at one end part of the stretching screw rod, which horizontally extends out of the rear side of the limit baffle, and a rotary handle is welded at one side of the rotary table; the movable baffle is fixedly arranged at the other end of the tensioning screw rod horizontally extending towards the front side of the limit baffle. The bridge quality detection device is convenient to operate and use, can greatly improve the efficiency of bridge quality detection work, and is low in cost.
Description
Technical Field
The invention belongs to the field of bridge quality detection devices, and particularly relates to expansion joint tensioning equipment.
Background
The bridge expansion joint can meet the requirement of deformation of the upper structure of the bridge and enable the vehicle to smoothly pass through the bridge deck. The expansion joint plays a very important role for the bridge, and is an important component in the bridge structure. The expansion joint devices commonly adopted in bridge construction at present are four types, namely a pure rubber expansion joint device, a plate expansion joint device, a combined expansion joint device and a modular expansion device. In bridge construction, the waterproof performance test of the sealing adhesive tape is required to be carried out for 24 hours before the expansion joint device is installed, and two section steels of the expansion joint device are required to be stretched, so that the section steel distance reaches 80mm. However, the existing bridge detection field does not have any formed expansion joint stretching equipment, when an expansion joint sealing rubber belt waterproof performance experiment is performed, the expansion joint device is difficult to stretch, time and labor are very consumed, the labor cost is high, a large amount of space in a laboratory is occupied in the implementation of the traditional method, the operation and the use are complex and troublesome, and the working efficiency in bridge quality detection is seriously affected.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides the expansion joint tensioning equipment which has simple and reasonable structural design, convenient operation and use, can solve the problem of difficult tensioning of the expansion joint device, can greatly improve the efficiency of bridge quality detection work, has lower cost and has important application prospect and practical significance, and the construction test detection is more operable and the efficient and standard operation is realized.
The technical scheme of the invention is as follows:
the expansion joint tensioning equipment comprises a base and a tensioning mechanism arranged on the base; a platform is arranged at the top of the base; the tensioning mechanism comprises a backing plate assembly, a limiting baffle, a tensioning screw and a movable baffle; the backing plate assembly is assembled on the platform and comprises an upper backing plate and a lower backing plate; the upper backing plate and the lower backing plate are arranged in an up-down opposite way and are respectively assembled and fixed on the top surface and the bottom surface of the platform; the limit baffle is welded and fixed at the center of the top surface of the upper base plate, and the upper end of the limit baffle is provided with a mounting hole along the horizontal direction; the tensioning screw rod horizontally penetrates through the mounting hole, one end of the tensioning screw rod horizontally extends out to the rear side of the limit baffle plate, a limit nut is arranged at the extending end in a matched mode, and the other end of the tensioning screw rod horizontally extends out to the front side of the limit baffle plate; a turntable is welded at one end part of the tensioning screw rod, which horizontally extends out of the rear side of the limit baffle, and a rotating handle is welded at one side of the turntable; the movable baffle is fixedly arranged at the other end of the tensioning screw rod horizontally extending towards the front side of the limit baffle; and the movable baffle is arranged between the movable baffle and a pair of anchoring ribs on the section steel penetrating through two sides of the expansion joint, and the rotary handle is rocked to enable the tensioning screw to drive the movable baffle to move forwards and backwards along the horizontal direction, so that the section steel on two sides of the expansion joint is pulled to move outwards.
The expansion joint stretching equipment comprises: a pair of upper base plate assembly holes are formed in the two ends of the upper base plate along the vertical direction; a pair of lower pad assembly holes matched and corresponding to the upper pad assembly holes are formed in the two ends of the lower pad along the vertical direction; the limit baffle is matched and positioned between the pair of upper base plate assembly holes.
The expansion joint stretching equipment comprises: the backing plate assembly further comprises an anchoring screw and an anchoring nut; the anchor screw rod sequentially passes through the upper base plate assembly hole, the platform and the lower base plate assembly hole from top to bottom; the upper end of the anchoring screw rod penetrates out to the upper side of the upper base plate and is matched with the anchoring nut to lock and fasten the upper base plate on the top surface of the platform; the lower end of the anchoring screw rod penetrates out to the lower side of the lower base plate and is matched with another anchoring nut to lock and fasten the upper base plate on the bottom surface of the platform.
The expansion joint stretching equipment comprises: two ends of the limit baffle are respectively welded and fixed with a triangular fixed baffle; the triangular fixed baffle is also welded and fixed with the top surface of the upper base plate.
Has the beneficial effects that;
the expansion joint stretching equipment disclosed by the invention is simple and reasonable in structural design, convenient to operate and use, capable of solving the problem of difficulty in stretching an expansion joint device, relatively low in cost, long in service life, reusable, important in application prospect and practical significance, and suitable for popularization and use, and can be applied to the bridge quality detection industry to greatly improve the efficiency of detection work.
Drawings
FIG. 1 is a front view of an expansion joint tensioning device of the present invention;
FIG. 2 is a top view of the expansion joint tensioning device of the present invention.
Detailed Description
As shown in fig. 1 and 2, the expansion joint tensioning device comprises a base 1 and a tensioning mechanism 2.
The base 1 is formed by pouring reinforced concrete, and a platform 11 is poured on the top of the base through the reinforced concrete.
The tensioning mechanism 2 is arranged on a platform 11 of the base 1 and comprises a base plate assembly 21, a limit baffle 22, a tensioning screw 23 and a movable baffle 24.
The pad assembly 21 is assembled on the platform 11 of the base 1, and includes an upper pad 211, a lower pad 212, an anchor screw 213, and an anchor nut 214. The upper pad 211 is located on the top surface of the platform 11, and the upper pad 211 is located on the bottom surface of the platform 11 and is disposed opposite to the upper pad 211; a pair of upper pad assembly holes 2111 having a diameter of 20mm are formed in the vertical direction at both ends of the upper pad 211, and a pair of lower pad assembly holes corresponding to the upper pad assembly holes 2111 are formed in the vertical direction at both ends of the lower pad 212. The anchor screw 213 sequentially passes through the upper pad assembly hole 2111 of the upper pad 211, the platform 11 and the lower pad assembly hole of the lower pad 212 opposite to the upper pad 211 from top to bottom, the upper end of the anchor screw 213 passes through the upper pad 211 and is matched with the anchor nut 214 to lock and fix the upper pad 211 on the top surface of the platform 11, and the lower end of the anchor screw 213 passes through the lower pad 212 and is matched with the other anchor nut 214 to lock and fix the upper pad 211 on the bottom surface of the platform 11.
The limit baffle 22 is welded and fixed at the center of the top surface of the upper pad 211 of the pad assembly 21 and is matched between a pair of upper pad assembly holes 2111; wherein, a triangle fixed baffle 221 is welded and fixed at two ends of the rear limit baffle 22, and the triangle fixed baffle 221 is welded and fixed with the upper pad 211 of the pad assembly 21; the upper end of the limit baffle 22 is provided with a mounting hole with the diameter of 30mm along the horizontal direction.
The tensioning screw 23 horizontally passes through a mounting hole at the upper end of the limit baffle 22, one end of the tensioning screw horizontally extends out towards the rear side of the limit baffle 22, a limit nut 231 is arranged at the extending end in a matched manner, and the other end of the tensioning screw 23 horizontally extends out towards the front side of the limit baffle 22; meanwhile, a turntable 232 is welded to the end of the tensioning screw 23 extending horizontally to the rear side of the limit baffle 22, and a rotating handle 233 is welded to one side of the turntable 232.
The movable baffle 24 is arranged at the other end of the tensioning screw 23 extending towards the front side of the limit baffle 22 and is fixed by a locking nut 241; the movable baffle 24 horizontally passes through the expansion joint device 3 between a pair of anchoring ribs 311 outside the section steel 31; the tension screw 23 is moved forward and backward with the movable barrier 24 in the horizontal direction by swinging the rotary handle 233, and the section steel 31 of the expansion joint device 3 is pulled to move outward.
The invention relates to an expansion joint stretching device, which adopts the working principle that:
four tensioning mechanisms 2 are respectively arranged on the platforms 11 at the left side and the right side of the expansion joint device 3, namely two tensioning mechanisms 2 are respectively and symmetrically arranged at the two lateral sides of the platform 11; the tensioning mechanism 2 is installed, the rotating handle 233 is rocked to drive the tensioning screw 23 to move towards the outer layer of the base 1, a large pulling force is generated, the force acts on the anchoring ribs 311, the section steel 31 is pulled to move outwards, the displacement reaches 75+/-5 mm, and the width of the expansion joint device 3 is kept; then, water was put into the sealing rubber 312 on the section steel 31 and allowed to stand for 24 hours, thereby measuring the waterproof performance of the expansion joint device 3.
The working process of the expansion joint stretching equipment comprises the following steps:
placing an expansion joint device 3 with waterproof performance of sealing rubber strips of points to be measured on a platform 11, fixing a tensioning mechanism 2 on the platform 11, and connecting the tensioning mechanism 2 with an anchor rib 311 to finish installation; then, the rotary handle 233 is manually swung, and the section steel 31 on both sides of the expansion joint device 3 is pulled and pulled, and when the required distance is reached, the swing of the rotary handle 233 is stopped.
The invention has simple and reasonable structural design, is convenient to operate and use, is applied to the bridge quality detection industry, greatly improves the efficiency of detection work, is convenient to use, has relatively low cost, and is suitable for popularization and application.
Claims (2)
1. An expansion joint tensioning device, characterized in that: the tensioning device comprises a base and a tensioning mechanism arranged on the base; a platform is arranged at the top of the base; the tensioning mechanism comprises a backing plate assembly, a limiting baffle, a tensioning screw and a movable baffle;
the backing plate assembly is assembled on the platform and comprises an upper backing plate and a lower backing plate; the upper backing plate and the lower backing plate are arranged in an up-down opposite way and are respectively assembled and fixed on the top surface and the bottom surface of the platform;
the limit baffle is welded and fixed at the center of the top surface of the upper base plate, and the upper end of the limit baffle is provided with a mounting hole along the horizontal direction;
the tensioning screw rod horizontally penetrates through the mounting hole, one end of the tensioning screw rod horizontally extends out to the rear side of the limit baffle plate, a limit nut is arranged at the extending end in a matched mode, and the other end of the tensioning screw rod horizontally extends out to the front side of the limit baffle plate; a turntable is welded at one end part of the tensioning screw rod, which horizontally extends out of the rear side of the limit baffle, and a rotating handle is welded at one side of the turntable;
the movable baffle is fixedly arranged at the other end of the tensioning screw rod horizontally extending towards the front side of the limit baffle; the movable baffle and the pair of anchoring ribs penetrating through the section steel at two sides of the expansion joint are subjected to shaking of the rotary handle, so that the stretching screw rod can drive the movable baffle to move forwards and backwards along the horizontal direction, and the section steel at two sides of the expansion joint is pulled to move outwards;
a pair of upper base plate assembly holes are formed in the two ends of the upper base plate along the vertical direction; a pair of lower pad assembly holes matched and corresponding to the upper pad assembly holes are formed in the two ends of the lower pad along the vertical direction; the limit baffle is matched and positioned between a pair of upper base plate assembly holes;
two ends of the limit baffle are respectively welded and fixed with a triangular fixed baffle; the triangular fixed baffle is also welded and fixed with the top surface of the upper base plate.
2. The expansion joint tensioning apparatus of claim 1, wherein: the backing plate assembly further comprises an anchoring screw and an anchoring nut; the anchor screw rod sequentially passes through the upper base plate assembly hole, the platform and the lower base plate assembly hole from top to bottom; the upper end of the anchoring screw rod penetrates out to the upper side of the upper base plate and is matched with the anchoring nut to lock and fasten the upper base plate on the top surface of the platform; the lower end of the anchoring screw rod penetrates out to the lower side of the lower base plate and is matched with another anchoring nut to lock and fasten the upper base plate on the bottom surface of the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028739.8A CN109024301B (en) | 2018-09-05 | 2018-09-05 | Expansion joint stretching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028739.8A CN109024301B (en) | 2018-09-05 | 2018-09-05 | Expansion joint stretching equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109024301A CN109024301A (en) | 2018-12-18 |
| CN109024301B true CN109024301B (en) | 2024-01-26 |
Family
ID=64624005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811028739.8A Active CN109024301B (en) | 2018-09-05 | 2018-09-05 | Expansion joint stretching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109024301B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552257B (en) * | 2019-09-16 | 2021-05-07 | 昆山山鑫铝业有限公司 | Design of aluminum material of ballastless expansion joint device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027420A (en) * | 2001-07-19 | 2003-01-29 | Nippon Steel Corp | Partial cutting machine for existing expansion joint, and partial cutting method for the same |
| JP2003184017A (en) * | 2001-12-21 | 2003-07-03 | Toshihiro Nakagawa | Embedded-type expansion device for elevated road, and method for constructing the same |
| JP2007327180A (en) * | 2006-06-06 | 2007-12-20 | Sho Bond Constr Co Ltd | Bridge falling preventive apparatus and installation method for bridge falling preventive apparatus |
| KR100798654B1 (en) * | 2007-07-27 | 2008-01-28 | 림버스산업 주식회사 | Expansion joint with hybrid system and construction method |
| JP2012149678A (en) * | 2011-01-18 | 2012-08-09 | Ebara Corp | Vibration damping device of rotary machine |
| CN203256606U (en) * | 2013-05-16 | 2013-10-30 | 张楸长 | Large-displacement synchronous telescopic device special for road and bridge |
| CN104234216A (en) * | 2014-09-19 | 2014-12-24 | 悉地国际设计顾问（深圳）有限公司 | Curtain wall expansion joint structure and curtain wall employing same |
| CN105369732A (en) * | 2015-07-20 | 2016-03-02 | 浙江工业大学 | Silicone foam sealant for bridge expansion joint and bridge expansion joint structure |
| CN106835966A (en) * | 2015-12-07 | 2017-06-13 | 重庆交通大学 | A kind of construction method of partial prestressing bridge expanssion joint changeover portion |
| CN208857710U (en) * | 2018-09-05 | 2019-05-14 | 贵州顺康路桥咨询有限公司 | A kind of expansion joint tensioning equipment |
-
2018
- 2018-09-05 CN CN201811028739.8A patent/CN109024301B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027420A (en) * | 2001-07-19 | 2003-01-29 | Nippon Steel Corp | Partial cutting machine for existing expansion joint, and partial cutting method for the same |
| JP2003184017A (en) * | 2001-12-21 | 2003-07-03 | Toshihiro Nakagawa | Embedded-type expansion device for elevated road, and method for constructing the same |
| JP2007327180A (en) * | 2006-06-06 | 2007-12-20 | Sho Bond Constr Co Ltd | Bridge falling preventive apparatus and installation method for bridge falling preventive apparatus |
| KR100798654B1 (en) * | 2007-07-27 | 2008-01-28 | 림버스산업 주식회사 | Expansion joint with hybrid system and construction method |
| JP2012149678A (en) * | 2011-01-18 | 2012-08-09 | Ebara Corp | Vibration damping device of rotary machine |
| CN203256606U (en) * | 2013-05-16 | 2013-10-30 | 张楸长 | Large-displacement synchronous telescopic device special for road and bridge |
| CN104234216A (en) * | 2014-09-19 | 2014-12-24 | 悉地国际设计顾问（深圳）有限公司 | Curtain wall expansion joint structure and curtain wall employing same |
| CN105369732A (en) * | 2015-07-20 | 2016-03-02 | 浙江工业大学 | Silicone foam sealant for bridge expansion joint and bridge expansion joint structure |
| CN106835966A (en) * | 2015-12-07 | 2017-06-13 | 重庆交通大学 | A kind of construction method of partial prestressing bridge expanssion joint changeover portion |
| CN208857710U (en) * | 2018-09-05 | 2019-05-14 | 贵州顺康路桥咨询有限公司 | A kind of expansion joint tensioning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109024301A (en) | 2018-12-18 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 3590, JinSu Avenue, Guiyang National High tech Industrial Development Zone, Guiyang City, Guizhou Province 550000 Applicant after: Guizhou Shunkang Testing Co.,Ltd. Address before: 550000 No. 3590 platinum Road, Guiyang national hi tech Industrial Development Zone, Guizhou, Guiyang Applicant before: GUIZHOU SHUNKANG ROAD AND BRIDGE CONSULTING Co.,Ltd. |
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