CN204882252U - Anti test device that pushes away of overpass steel guardrail level - Google Patents
Anti test device that pushes away of overpass steel guardrail level Download PDFInfo
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- CN204882252U CN204882252U CN201520652160.4U CN201520652160U CN204882252U CN 204882252 U CN204882252 U CN 204882252U CN 201520652160 U CN201520652160 U CN 201520652160U CN 204882252 U CN204882252 U CN 204882252U
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- overpass
- steel guard
- lifting jack
- transmission rod
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Abstract
The utility model discloses an anti test device that pushes away of overpass steel guardrail level, the horizontal loading device, two that exert the horizontal thrust in step including two steel guardrails of the left and right sides of treating the test overpass carry out real -time detection's displacement detecting element and the controlling means who meets with two displacement detecting element respectively to the horizontal displacement of two steel guardrails respectively, the steel guardrail comprises a horizontal handrail and a plurality of stand, top that horizontal loading device pushed away including two steel guardrails of the left and right sides of treating the test overpass synchronous outside level tops pushes away jack, two and is located force transmission frame, opposite vertex that the top pushed away the jack left and right sides respectively and pushes away the support frame that jack bracket that the jack goes on supporting and two go on supporting to two force transmission frame respectively. The utility model has the advantages of simple structure and reasonable design and easy and simple to handle, excellent in use effect is laid and uses in the installation, can carry on that the level is anti to push away the experiment to overpass steel guardrail to can carry out synchronous monitoring with horizontal displacement to the horizontal thrust of steel guardrail.
Description
Technical field
The utility model relates to and a kind of anti-pushes away test unit, especially relates to that a kind of overpass steel guard rail level is anti-pushes away test unit.
Background technology
Along with the acceleration of urbanization process, the size of population of large-and-medium size cities increases further, and the as easy as rolling off a log formation in crowded region is blocked up, and this proposes challenge to the anti-ability of pushing away at central area, big and medium-sized cities overpass guardrail.The design of overpass resists the ability of pushing away may there is larger difference with the actual least favorable horizontal thrust born of guardrail during overline bridge operation; Simultaneously, Selection of Urban Pedestrian Overpass is chronically exposed in air, environment for use is severe, and the guardrail of Selection of Urban Pedestrian Overpass is mostly steel guard rail, steel guard rail maintenance easy generation corrosion not in place, in addition the inherent vice existed during welding procedure, the sectional dimension of steel guard rail will be had a greatly reduced quality, and respective carrier ability also decreases.Therefore, consider from the angle of safety, the guardrail of the stream of people's easy congestion regions Selection of Urban Pedestrian Overpass is anti-to be pushed away test and seems particularly important, needs regularly to carry out steel guard rail that guardrail is anti-pushes away test during overpass operation.But this type of engineering test is less at present, and there is no that a nested structure is simple, simple operation and the guardrail that application is ripe, result of use is good is anti-pushes away test unit.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of overpass steel guard rail level to resist and push away test unit, its structure simple, reasonable in design and install lay and use easy and simple to handle, result of use good, can carry out to overpass steel guard rail that level is anti-pushes away test, and Simultaneous Monitoring can be carried out to the horizontal thrust of steel guard rail and horizontal shift.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: comprise two, the left and right steel guard rail treating test overpass synchronously apply horizontal thrust horizontal loading apparatus, two respectively the displacement detecting unit detected in real time and the control device connected with two described displacement detecting unit are respectively carried out to the horizontal shift of two described steel guard rails; The structure of two described steel guard rails is identical and the two is parallel laying; Each described steel guard rail is by horizontal handrail and multiple column be supported in from front to back below horizontal handrail form together;
Described horizontal loading apparatus comprises the pushing tow lifting jack of the synchronous outside horizontal pushing tow of two, left and right steel guard rail treating test overpass, two force transmission racks laying respectively at the pushing tow lifting jack left and right sides, the lifting jack bracket supported pushing tow lifting jack and two respectively to the bracing frame that two described force transmission racks support, and described lifting jack bracket and two support frames as described above are all supported on the deck installation structure of overpass to be tested; Described pushing tow lifting jack is the bidirectional hydraulic lifting jack of the laying in direction across bridge level and it is positioned at above the middle part of deck installation structure, and described pushing tow lifting jack and two described force transmission racks are all laid on same straight line; The structure of two described steel guard rails is identical and the two is parallel laying; Each described steel guard rail is by horizontal handrail and multiple column be supported in from front to back below horizontal handrail form together; , described in described pushing tow lifting jack, two described force transmission racks and twice, horizontal handrail is all laid on same plane;
The structure of two described force transmission racks identical and the two symmetrically lay, two described force transmission racks are all laid in level and the two outer end is propped up respectively and withstood on two described horizontal handrails; Described force transmission rack comprise one with horizontal handrail be vertical runs transmission rod, be arranged on vertical with transmission rod outer end be connected outer end load plate, two groups be symmetrically respectively laid in the diagonal brace of transmission rod both sides and be arranged on the billet of transmission rod the inner, described load plate and billet are all in vertically to lay and the two is all vertical runs with transmission rod; The inner of described transmission rod is force side and it is connected with pushing tow lifting jack; The outer end of described transmission rod is loading end, and described load plate and horizontal handrail are that level is laid, and the lateral wall of described load plate is pasted rubber filler strip and propped up and withstands on the madial wall of horizontal handrail, and in described horizontal handrail, the sections of load plate support top is loaded segment; The two ends of described pushing tow lifting jack prop up respectively withstand on two described force transmission racks billet on;
Two described displacement detecting unit are arranged in the loaded segment of horizontal handrail described in twice respectively.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: the electric hydraulic lifting jack that described pushing tow lifting jack is Manual hydraulic jack or is controlled by control device.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: often organize described diagonal brace and include the diagonal brace of multiple tracks from left to right in parallel laying, and diagonal brace described in multiple tracks all lays in level and it is all laid in same level with transmission rod; The two ends that the two ends of diagonal brace described in per pass are individually fixed in described diagonal brace in transmission rod and load plate are supported in transmission rod and load plate respectively.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: two described steel guard rails are symmetrically laid, described in two per pass, horizontal handrail is all divided into multiple hand rail member by multiple described column, and the loaded segment of horizontal handrail described in twice is one or more described hand rail member; The length of described load plate is identical with the length of the loaded segment of described horizontal handrail.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: the xsect of described horizontal handrail is rectangle; Described load plate is that notch is inside and horizontal installing card is contained in the channel-section steel in the loaded segment of horizontal handrail, the web outside wall of described channel-section steel is pasted described rubber filler strip and to withstand in the loaded segment of horizontal handrail.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: two described displacement detecting unit are laser displacement sensor.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, and it is characterized in that: described transmission rod is connected by the first length adjustment piece with between billet, described first length adjustment piece is laid in coaxial with transmission rod; Described first length adjustment piece comprises horizontal helical rasp bar and is arranged on the first stop nut on horizontal helical rasp bar, and the inner of described transmission rod is hollow section, and one end of described threaded rod and billet are fixed and the other end inserts in the hollow section of transmission rod.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: described lifting jack bracket comprises horizontal cushion block, the horizonal base plate be fixed on horizontal cushion block, the horizontal shelf that is arranged on the first vertical supporting bar on horizonal base plate and is supported on the first vertical supporting bar, and described horizontal cushion block is laid on deck installation structure; Described pushing tow lifting jack is supported on horizontal shelf; Described first vertical supporting bar is connected by the second length adjustment piece with between horizontal shelf, and described second length adjustment piece is laid in coaxial with the first vertical supporting bar; Described second length adjustment piece comprises the first vertical threaded rod and is arranged on the second stop nut on the first vertical threaded rod, the upper end of described first vertical supporting bar is hollow section, and one end of the described first vertical threaded rod and horizontal shelf fix and the other end inserts in the hollow section of the first vertical supporting bar.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: the structure of two support frames as described above is identical; Support frame as described above comprises the horizontal base be supported on deck installation structure and the second vertical supporting bar be arranged on horizontal base, and described transmission rod is supported horizontally inside on the second vertical supporting bar; Described second vertical supporting bar is connected by the 3rd length adjustment piece with between horizontal base, and described 3rd length adjustment piece is laid in coaxial with the second vertical supporting bar; Described 3rd length adjustment piece comprises the second vertical threaded rod and is arranged on the 3rd stop nut on the second vertical threaded rod, the lower end of described second vertical supporting bar is hollow section, and one end of the described second vertical threaded rod and horizontal base fix and the other end inserts in the hollow section of the second vertical supporting bar.
Above-mentioned a kind of overpass steel guard rail level is anti-pushes away test unit, it is characterized in that: the bottom of described transmission rod is provided with the stay pipe inserted for the second vertical supporting masthead portion; Described stay pipe is vertically to laying.
The utility model compared with prior art has the following advantages:
1, structure is simple and processing and fabricating is easy, input cost is lower, install lay convenient.
2, reasonable in design and use easy and simple to handle, synchronously applies the horizontal loading apparatus of horizontal thrust primarily of two, the left and right steel guard rail treating test overpass, horizontal thrust detecting unit that two horizontal thrusts put on two steel guard rails horizontal loading apparatus respectively carry out detecting in real time, two displacement detecting unit carrying out detecting in real time to the horizontal shift of two steel guard rails respectively and the control device that connects with two horizontal thrust detecting units and two displacement detecting unit respectively forms.In horizontal thrust loading procedure, by two horizontal thrust detecting units, the horizontal thrust that horizontal loading apparatus puts on two steel guard rails is detected in real time, and respectively the horizontal shift of two steel guard rails is detected in real time by two displacement detecting unit, by control device, by institute's Detection Information, synchronous display directly perceived is carried out to two horizontal thrust detecting units and two displacement detecting unit simultaneously.
3, the horizontal loading apparatus reasonable in design adopted, use easy and simple to handle and result of use good, this horizontal loading apparatus comprises pushing tow lifting jack to the synchronous outside horizontal pushing tow of the horizontal handrail of two steel guard rails, two force transmission racks laying respectively at the pushing tow lifting jack left and right sides, the lifting jack bracket supported pushing tow lifting jack and two respectively to the bracing frame that two force transmission racks support.Actual when using, easyly synchronously can apply horizontal thrust to two, left and right steel guard rail by horizontal loading apparatus, realize the easy, fast and effectively load of horizontal thrust on steel guard rail.
4, the force transmission rack structure adopted is simple, reasonable in design and easy to process, power transmission is effective, this force transmission rack mainly comprise one with the horizontal handrail of steel guard rail be vertical runs transmission rod, be arranged on transmission rod outer end and the load plate to withstand on horizontal handrail and the billet that is arranged on transmission rod the inner form, and the stability of force transmission rack is strengthened by diagonal brace, enhance the homogeneity that load transmits simultaneously, make anti-to push away process of the test safety and reliability., be connected by length adjustment piece between transmission rod with pushing tow lifting jack meanwhile, use flexible operation, and the anti-of steel guard rail on different in width overpass can be met push away test demand.
5, the lifting jack carrier structure adopted simple, reasonable in design and use easy and simple to handle, result of use good, can carry out firm support to pushing tow lifting jack, and can carry out easy, quick adjustment to the bearing height of pushing tow lifting jack.
6, the support frame structure adopted simple, reasonable in design and use easy and simple to handle, result of use good, can carry out gentle support to transmission rod, and can carry out easy, quick adjustment to the bearing height of transmission rod.
7, the lifting jack bracket adopted and bracing frame are all prefabricated in the factory shaping, and be convenient to transport, in-site installation is easy, and splicing workload is little, and installation accuracy is high.
8, result of use is good and practical value is high, can carry out that level is anti-pushes away test easy, fast to overpass steel guard rail, and level is anti-pushes away process of the test safely, reliably, effectively can be applicable to the horizontal tensile test of overpass guardrail of different bridge deck width, and the horizontal tensile test demand of differing heights guardrail can be met.Meanwhile, widely applicable, can not only be applicable to that the guardrail of old overpass is anti-pushes away test, and the guardrail that can be applicable to newly-built overpass is anti-pushes away performance verification.
In sum, the utility model structure simple, reasonable in design and install lay and use easy and simple to handle, result of use good, can carry out that level is anti-pushes away test to overpass steel guard rail, and can carry out Simultaneous Monitoring to the horizontal thrust of steel guard rail and horizontal shift.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is using state schematic diagram of the present utility model.
Fig. 2 is the installation position schematic diagram of the utility model horizontal loading apparatus.
Fig. 3 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-1-pushing tow lifting jack; 1-2-force transmission rack; 1-21-load plate;
1-22-transmission rod; 1-23-diagonal brace; 1-24-billet;
1-31-horizonal base plate; 1-32-horizontal shelf; 1-33-horizontal cushion block;
The vertical threaded rod of 1-34-the first; 1-35-the first vertical supporting bar;
1-36-the second stop nut; 1-4-bracing frame; 1-41-horizontal base;
1-42-the second vertical supporting bar; The vertical threaded rod of 1-43-the second;
1-44-the 3rd stop nut; 2-steel guard rail; 2-1-horizontal handrail;
2-2-column; 3-stay pipe; 4-displacement detecting unit;
5-control device; 6-deck installation structure; 7-length adjustment piece;
7-1-horizontal helical rasp bar; 7-2-the first stop nut; 8-rubber filler strip;
9-girder.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprises two, the left and right steel guard rail 2 treating test overpass and synchronously applies the horizontal loading apparatus of horizontal thrust, two displacement detecting unit 4 carrying out detecting in real time to the horizontal shift of two described steel guard rails 2 respectively and the control device 5 that connects of displacement detecting unit 4 described with two respectively.The structure of two described steel guard rails 2 is identical and the two is parallel laying; Each described steel guard rail 2 forms by one horizontal handrail 2-1 and multiple column 2-2 be supported in from front to back below horizontal handrail 2-1.
The lifting jack bracket that described horizontal loading apparatus comprises the pushing tow lifting jack 1-1 of the synchronous outside horizontal pushing tow of two, left and right steel guard rail 2 treating test overpass, two force transmission rack 1-2 laying respectively at the pushing tow lifting jack 1-1 left and right sides, support pushing tow lifting jack 1-1 and two are respectively to the bracing frame 1-4 that two described force transmission rack 1-2 support, and described lifting jack bracket and two support frame as described above 1-4 are all supported on the deck installation structure 6 of overpass to be tested; Described pushing tow lifting jack 1-1 is the bidirectional hydraulic lifting jack of the laying in direction across bridge level and it is positioned at above the middle part of deck installation structure 6, and described pushing tow lifting jack 1-1 and two described force transmission rack 1-2 is all laid on same straight line; The structure of two described steel guard rails 2 is identical and the two is parallel laying; Each described steel guard rail 2 forms by one horizontal handrail 2-1 and multiple column 2-2 be supported in from front to back below horizontal handrail 2-1; , described in described pushing tow lifting jack 1-1, two described force transmission rack 1-2 and twice, horizontal handrail 2-1 is all laid on same plane.
The structure of two described force transmission rack 1-2 identical and the two symmetrically lay, two described force transmission rack 1-2 all lay in level and the two outer end is propped up respectively and withstood on two described horizontal handrail 2-1; Described force transmission rack 1-2 comprise one with horizontal handrail 2-1 be vertical runs transmission rod 1-22, be arranged on vertical with transmission rod 1-22 outer end be connected outer end load plate 1-21, two groups be symmetrically respectively laid in the diagonal brace 1-23 of transmission rod 1-22 both sides and be arranged on the billet 1-24 of transmission rod 1-22 the inner, described load plate 1-21 and billet 1-24 is all in vertically to lay and the two is all vertical runs with transmission rod 1-22; The inner of described transmission rod 1-22 is force side and it is connected with pushing tow lifting jack 1-1; The outer end of described transmission rod 1-22 is loading end, described load plate 1-21 and horizontal handrail 2-1 is that level is laid, the lateral wall of described load plate 1-21 is pasted rubber filler strip 8 and is propped up and withstands on the madial wall of horizontal handrail 2-1, and in described horizontal handrail 2-1, the sections of load plate 1-21 support top is loaded segment; The two ends of described pushing tow lifting jack 1-1 prop up respectively withstand on two described force transmission rack 1-2 billet 1-24 on.
Two described displacement detecting unit 4 are arranged in the loaded segment of horizontal handrail 2-1 described in twice respectively.
In the present embodiment, described lifting jack bracket and two support frame as described above 1-4 all in vertically to laying.
During practice of construction, two described steel guard rail 2 symmetries are laid on deck installation structure 6 and the two is all installed on the girder 9 of overpass to be tested, and described deck installation structure 6 is paved on girder 9.
In the present embodiment, two described displacement detecting unit 4 are laser displacement sensor.Thus, actual installation is convenient, and accuracy of detection is high.
During actual use, described displacement detecting unit 4 also can adopt the displacement transducer of other type.
In the present embodiment, described pushing tow lifting jack 1-1 is the electric hydraulic lifting jack controlled by control device 5, and thus easy the and loading procedure of horizontal addload is easy to control.During actual use, described pushing tow lifting jack 1-1 also can be Manual hydraulic jack.
In the present embodiment, often organize described diagonal brace 1-23 and include the diagonal brace 1-23 of multiple tracks from left to right in parallel laying, diagonal brace 1-23 described in multiple tracks all lays in level and it is all laid in same level with transmission rod 1-22; The two ends that the two ends of diagonal brace 1-23 described in per pass are individually fixed in described diagonal brace 1-23 on transmission rod 1-22 and load plate 1-21 are supported on transmission rod 1-22 and load plate 1-21 respectively.
Actually add man-hour, described diagonal brace 1-23 is angle steel, and described transmission rod 1-22 is open circles steel pipe, and the two ends of described diagonal brace 1-23 are fixedly welded on transmission rod 1-22 and load plate 1-21 respectively.In the present embodiment, the quantity often organizing included diagonal brace 1-23 in described diagonal brace 1-23 is 4 roads, road ~ 6.
In the present embodiment, two described steel guard rails 2 are symmetrically laid, and horizontal handrail 2-1 described in two per pass is all divided into multiple hand rail member by multiple described column 2-2, and described in twice, the loaded segment of horizontal handrail 2-1 is one or more described hand rail member; The length of described load plate 1-21 is identical with the length of the loaded segment of described horizontal handrail 2-1.
In the present embodiment, the xsect of described horizontal handrail 2-1 is rectangle.
Further, described load plate 1-21 is that notch is inside and horizontal installing card is contained in the channel-section steel in the loaded segment of horizontal handrail 2-1, the web outside wall of described channel-section steel is pasted described rubber filler strip 8 and to withstand in the loaded segment of horizontal handrail 2-1.
Actually add man-hour, the thickness of described rubber mat plate 8 is about 1cm.Adopt pushing tow lifting jack 1-1 to carry out in pushing tow process, by rubber mat plate 8, available protecting is carried out to horizontal handrail 2-1.
In the present embodiment, described transmission rod 1-22 is connected by the first length adjustment piece 7 with between billet 1-24, and described first length adjustment piece 7 is laid in coaxial with transmission rod 1-22; Described first length adjustment piece 7 comprises horizontal helical rasp bar 7-1 and is arranged on the first stop nut 7-2 on horizontal helical rasp bar 7-1, the inner of described transmission rod 1-22 is hollow section, and one end of described threaded rod 7-1 and billet 1-24 fix and the other end inserts in the hollow section of transmission rod 1-22.
Actually add man-hour, described horizontal helical rasp bar 7-1 the inner is weldingly fixed on billet 1-24.Described billet 1-24 is rectangular steel plates, and the length of described rectangular steel plates is 15cm, width is 15cm and its thickness is 5mm.
In actual use procedure, by regulating the first stop nut 7-2, the length inserted horizontal helical rasp bar 7-1 outer end in the hollow section of transmission rod 1-22 regulates, thus regulates the spacing in described force transmission rack 1-2 between load plate 1-21 and billet 1-24.
In the present embodiment, described lifting jack bracket comprises horizontal cushion block 1-33, the horizonal base plate 1-31 be fixed on horizontal cushion block 1-33, the horizontal shelf 1-32 that is arranged on the first vertical supporting bar 1-35 on horizonal base plate 1-31 and is supported on the first vertical supporting bar 1-35, and described horizontal cushion block 1-33 is laid on deck installation structure 6.Described pushing tow lifting jack 1-1 is supported on horizontal shelf 1-32; Described first vertical supporting bar 1-35 is connected by the second length adjustment piece with between horizontal shelf 1-32, and described second length adjustment piece is laid in coaxial with the first vertical supporting bar 1-35.Described second length adjustment piece comprises the first vertical threaded rod 1-34 and is arranged on the second stop nut 1-36 on the first vertical threaded rod 1-34, the upper end of described first vertical supporting bar 1-35 is hollow section, and one end of the described first vertical threaded rod 1-34 and horizontal shelf 1-32 fix and the other end inserts in the hollow section of the first vertical supporting bar 1-35.
In the present embodiment, described horizontal shelf 1-32 and horizonal base plate 1-31 is steel plate.Described first vertical supporting bar 1-35 bottom welding to be fixed on horizonal base plate 1-31 and its top braces bottom the second stop nut 1-36.The welded top of the described first vertical threaded rod 1-34 is fixed on horizontal shelf 1-32.
Described horizontal cushion block 1-33 is wooden cushion block, and described horizonal base plate 1-31 is fixed on horizontal cushion block 1-33 by multiple fastening bolt.
In actual use procedure, by regulating described lifting jack bracket, easy, rapid adjustment can be carried out to the height of pushing tow lifting jack 1-1.
In the present embodiment, the structure of two support frame as described above 1-4 is identical; Support frame as described above 1-4 comprises the horizontal base 1-41 be supported on deck installation structure 6 and the second vertical supporting bar 1-42 be arranged on horizontal base 1-41, and described transmission rod 1-22 is supported horizontally inside on the second vertical supporting bar 1-42; Described second vertical supporting bar 1-42 is connected by the 3rd length adjustment piece with between horizontal base 1-41, and described 3rd length adjustment piece is laid in coaxial with the second vertical supporting bar 1-42; Described 3rd length adjustment piece comprises the second vertical threaded rod 1-43 and is arranged on the 3rd stop nut 1-44 on the second vertical threaded rod 1-43, the lower end of described second vertical supporting bar 1-42 is hollow section, and one end of the described second vertical threaded rod 1-43 and horizontal base 1-41 fix and the other end inserts in the hollow section of the second vertical supporting bar 1-43.
In the present embodiment, the bottom of described transmission rod 1-22 is provided with the stay pipe 4 inserted for the second vertical supporting bar 1-42 top.Described stay pipe 4 is vertically to laying.
In the present embodiment, described horizontal base 1-41 is steel base, and the described second vertical threaded rod 1-43 bottom welding is fixed on horizontal base 1-41, and described second vertical supporting bar 1-42 bottom support is on the 3rd stop nut 1-44.
In actual use procedure, by regulating support frame as described above 1-4, easy, rapid adjustment can be carried out to the height of force transmission rack 1-2.
In the present embodiment, the bottom of described transmission rod 1-22 is provided with the stay pipe 4 inserted for the second vertical supporting bar 1-42 top; Described stay pipe 4 is vertically to laying.
Actual when using, first by regulating described lifting jack bracket and two support frame as described above 1-4, pushing tow lifting jack 1-1 and two described force transmission rack 1-2 is all adjusted to two that described horizontal handrail 2-1 is laid in same level, afterwards, by regulating the first length adjustment piece 7 in two described force transmission rack 1-2, the load plate 1-21 of two described force transmission rack 1-2 being propped up respectively and withstands on the madial wall of two described horizontal handrail 2-1, then, by pushing tow lifting jack 1-1, synchronously horizontal thrust is applied to two described steel guard rails 2, and read lifting jack reading synchronous recording is carried out to the horizontal thrust that described horizontal loading apparatus (specifically pushing tow lifting jack 1-1) puts on two described steel guard rails 2, and respectively the horizontal shift of two described steel guard rails 2 is detected in real time by two described displacement detecting unit 4, two described displacement detecting unit 4 by institute's Detection Information synchronous driving to control device 5, by control device 5, by institute's Detection Information, synchronous display directly perceived is carried out to two described displacement detecting unit 4.This time, the easy thrust stiffness testing out steel guard rail 2 of energy, completes the anti-of steel guard rail 2 and pushes away process of the test.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. overpass steel guard rail level is anti-pushes away a test unit, it is characterized in that: comprise two, the left and right steel guard rail (2) for the treatment of test overpass synchronously apply horizontal thrust horizontal loading apparatus, two respectively the displacement detecting unit (4) detected in real time and the control device (5) connected with two described displacement detecting unit (4) are respectively carried out to the horizontal shift of two described steel guard rails (2); The structure of two described steel guard rails (2) is identical and the two is parallel laying; Each described steel guard rail (2) is by horizontal handrail (2-1) and multiple column (2-2) being supported in horizontal handrail (2-1) below from front to back form together;
Described horizontal loading apparatus comprises the pushing tow lifting jack (1-1) of the synchronous outside horizontal pushing tow of two, left and right steel guard rail (2) treating test overpass, two force transmission racks (1-2) laying respectively at pushing tow lifting jack (1-1) left and right sides, the lifting jack bracket supported pushing tow lifting jack (1-1) and two respectively to the bracing frame (1-4) that two described force transmission racks (1-2) support, and described lifting jack bracket and two support frames as described above (1-4) are all supported on the deck installation structure (6) of overpass to be tested; Described pushing tow lifting jack (1-1) is the bidirectional hydraulic lifting jack of the laying in direction across bridge level and it is positioned at above the middle part of deck installation structure (6), and described pushing tow lifting jack (1-1) and two described force transmission racks (1-2) are all laid on same straight line; The structure of two described steel guard rails (2) is identical and the two is parallel laying; Each described steel guard rail (2) is by horizontal handrail (2-1) and multiple column (2-2) being supported in horizontal handrail (2-1) below from front to back form together; Described in described pushing tow lifting jack (1-1), two described force transmission racks (1-2) and twice, horizontal handrail (2-1) is all laid on same plane;
The structure of two described force transmission racks (1-2) identical and the two symmetrically lay, two described force transmission racks (1-2) are all laid in level and the two outer end is propped up respectively and withstood on two described horizontal handrails (2-1); Described force transmission rack (1-2) comprise one with horizontal handrail (2-1) transmission rod in vertical runs (1-22), be arranged on vertical with transmission rod (1-22) outer end be connected outer end load plate (1-21), two groups respectively symmetry be laid in the diagonal brace (1-23) of transmission rod (1-22) both sides and be arranged on the inner billet (1-24) of transmission rod (1-22), described load plate (1-21) and billet (1-24) all in vertical to lay and the two all with transmission rod (1-22) in vertical runs; The inner of described transmission rod (1-22) is force side and it is connected with pushing tow lifting jack (1-1); The outer end of described transmission rod (1-22) is loading end, described load plate (1-21) and horizontal handrail (2-1) are laid in level, the lateral wall of described load plate (1-21) is pasted rubber filler strip (8) and is propped up and withstands on the madial wall of horizontal handrail (2-1), and in described horizontal handrail (2-1), the sections of load plate (1-21) support top is loaded segment; The two ends of described pushing tow lifting jack (1-1) are propped up respectively and are withstood on the billet (1-24) of two described force transmission racks (1-2);
Two described displacement detecting unit (4) are arranged in the loaded segment of horizontal handrail (2-1) described in twice respectively.
2. push away test unit according to a kind of overpass steel guard rail level according to claim 1 is anti-, it is characterized in that: described pushing tow lifting jack (1-1) is Manual hydraulic jack or the electric hydraulic lifting jack that controlled by control device (5).
3. push away test unit according to a kind of overpass steel guard rail level described in claim 1 or 2 is anti-, it is characterized in that: often organize described diagonal brace (1-23) and include the diagonal brace (1-23) of multiple tracks from left to right in parallel laying, diagonal brace described in multiple tracks (1-23) all lays in level and it is all laid in same level with transmission rod (1-22); The two ends that the two ends of diagonal brace described in per pass (1-23) are individually fixed in transmission rod (1-22) and the upper described diagonal brace (1-23) of load plate (1-21) are supported in transmission rod (1-22) and load plate (1-21) respectively.
4. push away test unit according to a kind of overpass steel guard rail level described in claim 1 or 2 is anti-, it is characterized in that: two described steel guard rails (2) are symmetrically laid, horizontal handrail (2-1) described in two per pass is all divided into multiple hand rail member by multiple described column (2-2), and described in twice, the loaded segment of horizontal handrail (2-1) is one or more described hand rail member; The length of described load plate (1-21) is identical with the length of the loaded segment of described horizontal handrail (2-1).
5. push away test unit according to a kind of overpass steel guard rail level according to claim 4 is anti-, it is characterized in that: the xsect of described horizontal handrail (2-1) is rectangle; Described load plate (1-21), for notch is inside and horizontal installing card is contained in the channel-section steel in the loaded segment of horizontal handrail (2-1), the web outside wall of described channel-section steel is pasted described rubber filler strip (8) and to withstand in the loaded segment of horizontal handrail (2-1).
6. push away test unit according to a kind of overpass steel guard rail level described in claim 1 or 2 is anti-, it is characterized in that: two described displacement detecting unit (4) are laser displacement sensor.
7. push away test unit according to a kind of overpass steel guard rail level described in claim 1 or 2 is anti-, it is characterized in that: be connected by the first length adjustment piece (7) between described transmission rod (1-22) with billet (1-24), described first length adjustment piece (7) is laid in coaxial with transmission rod (1-22); Described first length adjustment piece (7) comprises horizontal helical rasp bar (7-1) and is arranged on the first stop nut (7-2) on horizontal helical rasp bar (7-1), the inner of described transmission rod (1-22) is hollow section, and one end of described threaded rod (7-1) and billet (1-24) fix and the other end inserts in the hollow section of transmission rod (1-22).
8. push away test unit according to a kind of overpass steel guard rail level described in claim 1 or 2 is anti-, it is characterized in that: described lifting jack bracket comprises horizontal cushion block (1-33), the horizonal base plate (1-31) be fixed on horizontal cushion block (1-33), the horizontal shelf (1-32) that is arranged on the first vertical supporting bar (1-35) on horizonal base plate (1-31) and is supported on the first vertical supporting bar (1-35), and described horizontal cushion block (1-33) is laid on deck installation structure (6); Described pushing tow lifting jack (1-1) is supported on horizontal shelf (1-32); Described first vertical supporting bar (1-35) is connected by the second length adjustment piece with between horizontal shelf (1-32), and described second length adjustment piece is laid in coaxial with the first vertical supporting bar (1-35); The second stop nut (1-36) that described second length adjustment piece comprises the first vertical threaded rod (1-34) and is arranged on the first vertical threaded rod (1-34), the upper end of described first vertical supporting bar (1-35) is hollow section, and one end of the described first vertical threaded rod (1-34) and horizontal shelf (1-32) fix and the other end inserts in the hollow section of the first vertical supporting bar (1-35).
9. push away test unit according to a kind of overpass steel guard rail level described in claim 1 or 2 is anti-, it is characterized in that: the structure of two support frames as described above (1-4) is identical; Support frame as described above (1-4) comprises the horizontal base (1-41) be supported on deck installation structure (6) and the second vertical supporting bar (1-42) be arranged on horizontal base (1-41), and described transmission rod (1-22) is supported horizontally inside on the second vertical supporting bar (1-42); Described second vertical supporting bar (1-42) is connected by the 3rd length adjustment piece with between horizontal base (1-41), and described 3rd length adjustment piece is laid in coaxial with the second vertical supporting bar (1-42); The 3rd stop nut (1-44) that described 3rd length adjustment piece comprises the second vertical threaded rod (1-43) and is arranged on the second vertical threaded rod (1-43), the lower end of described second vertical supporting bar (1-42) is hollow section, and one end of the described second vertical threaded rod (1-43) and horizontal base (1-41) fix and the other end inserts in the hollow section of the second vertical supporting bar (1-43).
10. push away test unit according to a kind of overpass steel guard rail level according to claim 9 is anti-, it is characterized in that: the bottom of described transmission rod (1-22) is provided with the stay pipe (4) inserted for the second vertical supporting bar (1-42) top; Described stay pipe (4) is vertically to laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652160.4U CN204882252U (en) | 2015-08-26 | 2015-08-26 | Anti test device that pushes away of overpass steel guardrail level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652160.4U CN204882252U (en) | 2015-08-26 | 2015-08-26 | Anti test device that pushes away of overpass steel guardrail level |
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| Publication Number | Publication Date |
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| CN204882252U true CN204882252U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520652160.4U Expired - Fee Related CN204882252U (en) | 2015-08-26 | 2015-08-26 | Anti test device that pushes away of overpass steel guardrail level |
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| CN (1) | CN204882252U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442127A (en) * | 2016-11-08 | 2017-02-22 | 沃克斯电梯（中国）有限公司 | Staircase apron plate pressure test device and test method |
| CN108152131A (en) * | 2017-12-07 | 2018-06-12 | 黄贺明 | Concrete anti-collision guard bar load test frame, experimental rig and load test method |
| CN108303247A (en) * | 2018-05-03 | 2018-07-20 | 广东粤信建设工程质量安全检测有限公司 | A kind of anti-horizontal loading device for detecting performance of railing and method |
| CN109001031A (en) * | 2018-07-04 | 2018-12-14 | 江苏省建筑工程质量检测中心有限公司 | A kind of experimental rig carrying out guardrail horizontal loading |
-
2015
- 2015-08-26 CN CN201520652160.4U patent/CN204882252U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442127A (en) * | 2016-11-08 | 2017-02-22 | 沃克斯电梯（中国）有限公司 | Staircase apron plate pressure test device and test method |
| CN108152131A (en) * | 2017-12-07 | 2018-06-12 | 黄贺明 | Concrete anti-collision guard bar load test frame, experimental rig and load test method |
| CN108303247A (en) * | 2018-05-03 | 2018-07-20 | 广东粤信建设工程质量安全检测有限公司 | A kind of anti-horizontal loading device for detecting performance of railing and method |
| CN109001031A (en) * | 2018-07-04 | 2018-12-14 | 江苏省建筑工程质量检测中心有限公司 | A kind of experimental rig carrying out guardrail horizontal loading |
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