CN115331399B - Rolling sliding device for steel truss girder installation traction - Google Patents
Rolling sliding device for steel truss girder installation traction Download PDFInfo
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- CN115331399B CN115331399B CN202210799151.2A CN202210799151A CN115331399B CN 115331399 B CN115331399 B CN 115331399B CN 202210799151 A CN202210799151 A CN 202210799151A CN 115331399 B CN115331399 B CN 115331399B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000009434 installation Methods 0.000 title claims abstract description 29
- 238000005096 rolling process Methods 0.000 title abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention belongs to the technical field of steel truss girder construction, in particular to a rolling sliding device for steel truss girder installation traction, which comprises a tank trolley body, wherein sound-light alarm lamps which are symmetrically distributed are fixedly arranged on the upper surface of the tank trolley body, slideway wheels which are linearly distributed in an array are hinged on the inner wall of the tank trolley body through pin shafts, an offset monitoring mechanism is arranged on the outer surface of each slideway wheel, the offset monitoring mechanism comprises an annular limiting block, and the offset monitoring mechanism monitors and alarms the transverse offset of the slideway wheels during pushing construction of the steel truss girder. This a roll sliding device for steel truss girder installation traction through setting up skew monitoring mechanism, adjustment mechanism and stop gear, has reached and has monitored the warning to lateral shifting when the slide wheel removes to reduce the detection degree of difficulty, improve the operating efficiency, and can adjust the reservation deviation value of slide wheel according to the job site, and make it be applicable to the slide roof beam of different model sizes, thereby improve the effect of practicality.
Description
Technical Field
The invention relates to the technical field of steel truss girder construction, in particular to a rolling sliding device for installation and traction of a steel truss girder.
Background
The steel truss bridge is a structure which is formed by taking a solid steel plate girder bridge as an open web according to a certain rule, namely the structure which mainly bears bending moment and shearing force, in the process of constructing the steel truss bridge, a pier is firstly constructed, then the whole steel truss girder section is usually transported to a construction site, then the whole steel truss girder section is directly assembled by welding and the like, so that the whole steel truss girder bridge is connected with the pier, and is combined with a plurality of other steel truss girder sections to generate a supporting effect, then a pavement is paved, the steel truss girder bridge can be put into use, compared with a common bridge construction method, the steel truss girder bridge is more rapid and convenient in use, and in recent years, due to the characteristics of high span capability of the steel truss girder, high processing and manufacturing speed, high precision, easy control of quality, convenience in transportation and the like, more and more bridges are adopted in China, the pushing method is widely applied in the construction of the large-span bridge due to the characteristics of simple required equipment, low environmental pollution, low noise and the like, in the construction process of the steel truss girder, a sliding trolley is used as a steel truss girder bottom to serve as a sliding device, and the sliding trolley is used as a steel truss girder to be provided at two sides in the sliding and the sliding device in the sliding girder supporting process, and the sliding girder is respectively in the two girder sliding processes are provided in the girder sliding process.
In the existing steel truss pushing process, a plurality of jacks are needed, the jack lifting stroke is not synchronous due to unbalanced jack power, so that the steel truss cannot be guaranteed to move forward according to the designed direction, and because each sliding trolley moves forward by means of friction force between the sliding trolley and the steel truss, transverse offset is generated between a slideway wheel of the sliding trolley and the slideway beam, once the offset exceeds the maximum value, the trolley slideway wheel and the slideway Liang Kasi are easy to cause even derailment dislocation, so that the steel truss is stressed unevenly, safety accidents are easy to cause, intermittent repeated inspection through detection personnel and deviation rectifying operation through a deviation rectifying oil cylinder are needed during construction, the operation is complicated, the operation efficiency is low, the existing sliding trolley is mostly customized according to the width of the slideway beam and the maximum deviation value required to be reserved, and limiting devices at two ends of the slideway wheel cannot be adjusted according to the site construction condition, so that the reserved maximum deviation value cannot be adjusted, and the problem of low practicability is caused.
Based on the above problems, therefore, a rolling slip device for steel truss girder installation traction is proposed.
Disclosure of Invention
Based on the technical problems that when the existing steel truss girder is pushed, traction construction is carried out, intermittent passing personnel are required to repeatedly check the offset distance of the sliding trolley slideway wheel, deviation correction adjustment is carried out, operation is complex, operation efficiency is low, and once the steel truss girder is checked, reserved deviation values cannot be adjusted according to site construction conditions, so that practicality is reduced.
The invention provides a rolling sliding device for mounting and traction of a steel truss girder, which comprises a tank trolley body, wherein sound-light alarm lamps which are symmetrically distributed are fixedly arranged on the upper surface of the tank trolley body, the inner wall of the tank trolley body is hinged with slideway wheels which are distributed in a linear array through pin shafts, the outer surface of each slideway wheel is provided with an offset monitoring mechanism, the offset monitoring mechanism comprises an annular limiting block, and the offset monitoring mechanism monitors and alarms the transverse offset of the slideway wheels when the steel truss girder is pushed for construction;
the inside of slide wheel is provided with adjustment mechanism, adjustment mechanism includes two-way lead screw, adjustment mechanism adjusts the horizontal skew maximum value of slide wheel.
The inner wall of one side of the slideway wheel is provided with a limiting mechanism, the limiting mechanism comprises a mounting block, and the limiting mechanism limits the adjusted slideway wheel.
Preferably, the inner walls of the two annular limiting blocks are symmetrically distributed by taking the axis of the slideway wheel as a symmetrical center, the inner walls of the annular limiting blocks are movably sleeved with the outer surface of the slideway wheel, round holes which are symmetrically distributed are formed in the inner wall of one side of the annular limiting blocks, positioning sleeves which are symmetrically distributed are fixedly connected with the inner wall of the other side of the annular limiting blocks, telescopic rods are movably sleeved on the inner walls of the positioning sleeves, and one ends of the telescopic rods are fixedly connected with reset springs.
Preferably, one end of the reset spring is fixedly connected with one side inner wall of the positioning sleeve, the other end of the telescopic rod is fixedly connected with a connecting plate, one side surface of the connecting plate is fixedly connected with a steel ball, the outer surface of the steel ball is in contact with the inner wall of the round hole, a limit switch is fixedly arranged on the other side inner wall of the annular limiting block, the adjusting mechanism further comprises a fixing block, the cross section of the fixing block is U-shaped, and two ends of the fixing block are fixedly connected with the inner wall of the slideway wheel.
Preferably, the inner wall of fixed block installs the bull stick through the bearing, hexagonal groove has been seted up to the one end surface of bull stick, and the other end external surface fixed sleeve of bull stick has cup jointed first bevel gear, the regulation hole has been seted up to the surface of slideway wheel, the stroke groove that is symmetric distribution has been seted up to the surface of slideway wheel, the both ends of two-way lead screw all through the bearing respectively with the both sides inner wall installation of slideway wheel.
Preferably, the outer surface of the bidirectional screw rod is fixedly sleeved with a second bevel gear, the tooth surface of the second bevel gear is meshed with the tooth surface of the first bevel gear, and the outer surface of the bidirectional screw rod is in threaded sleeve connection with symmetrically distributed threaded blocks.
Preferably, the upper surface and the lower surface of the thread block are fixedly connected with connecting rods which are symmetrically distributed, one end of each connecting rod penetrates through the travel groove and extends to the outer surface of the slideway wheel, one end of each connecting rod is fixedly connected with the inner wall of the annular limiting block, and the limiting mechanism further comprises a limiting wheel.
Preferably, the inner wall of the limiting wheel is fixedly sleeved with the outer surface of the bidirectional screw rod, clamping grooves distributed in an annular array are formed in the outer surface of the limiting wheel, one side surface of the mounting block is fixedly connected with one side inner wall of the slideway wheel, and the inner wall of the mounting block is movably sleeved with the lifting plate.
Preferably, the upper surface fixedly connected with bar fixture block of lifter plate, the one end of bar fixture block runs through and extends to the upper surface of installation piece, the one end and one of them the inner wall activity joint of draw-in groove of bar fixture block, the upper surface fixedly connected with of lifter plate is the extension spring of symmetric distribution.
Preferably, one end of the extension spring is fixedly connected with the inner top wall of the mounting block, a rack is fixedly connected with the lower surface of the lifting plate, and an adjusting rod is mounted on the inner wall of one side of the mounting block through a bearing.
Preferably, one end of the adjusting rod penetrates through the mounting block and extends to one side surface of the slideway wheel, one end of the adjusting rod is fixedly connected with a hand-twisting turntable, a flat gear is fixedly sleeved on the outer surface of the adjusting rod, and the tooth surface of the flat gear is meshed with the tooth surface of the rack.
The beneficial effects of the invention are as follows:
1. through setting up skew monitoring mechanism, adjustment mechanism and stop gear, reached and monitored the warning to the lateral shifting when the slide wheel removes to reduce the detection degree of difficulty, improve the operating efficiency, and can adjust the reservation offset value of slide wheel according to the job site, and make it be applicable to the slide roof beam of different model sizes, thereby improve the effect of practicality.
2. Through setting up adjustment mechanism, play and be convenient for adjust the slide wheel lateral deviation maximum value to make its slide wheel be suitable for the slide roof beam of cooperation different model sizes and use, thereby improve the effect of slide wheel practicality.
3. Through setting up stop gear, play and carry out spacingly to the annular stopper after adjusting, avoid appearing the skew dislocation at rolling in-process to improved the effect to slide wheel lateral deviation monitoring accuracy nature.
Drawings
FIG. 1 is a schematic illustration of a rolling glide assembly for steel truss girder installation traction;
FIG. 2 is a perspective view of a slideway wheel structure of a rolling sliding device for steel truss girder installation traction;
FIG. 3 is an enlarged view of the configuration of FIG. 2 at A of a rolling glide assembly for use in steel truss girder installation traction;
FIG. 4 is a perspective view of a positioning sleeve structure of a rolling slip device for steel truss girder installation traction;
FIG. 5 is a perspective view of a fixed block structure of a rolling slip device for steel truss girder installation traction;
FIG. 6 is a perspective view of a mounting block structure of a rolling slip device for steel truss girder mounting traction;
fig. 7 is an enlarged view of the structure of fig. 6 at B of a rolling slip device for steel girder installation traction.
In the figure: 1. a tank car body; 2. an acousto-optic alarm lamp; 3. a slideway wheel; 4. an annular limiting block; 41. positioning a sleeve; 42. a telescopic rod; 43. a return spring; 44. a connecting plate; 45. a steel ball; 46. a limit switch; 5. a two-way screw rod; 51. a fixed block; 52. a rotating rod; 53. a hexagonal groove; 54. a first bevel gear; 55. an adjustment aperture; 56. a travel groove; 57. a second bevel gear; 58. a screw block; 59. a connecting rod; 6. a mounting block; 61. a limiting wheel; 62. a clamping groove; 63. a lifting plate; 64. a bar-shaped clamping block; 65. a tension spring; 66. a rack; 67. an adjusting rod; 68. twisting the turntable by hand; 69. a flat gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, a rolling sliding device for installing and pulling a steel truss girder comprises a tank trolley body 1, wherein sound-light alarm lamps 2 which are symmetrically distributed are fixedly arranged on the upper surface of the tank trolley body 1, slideway wheels 3 which are linearly distributed in an array are hinged to the inner wall of the tank trolley body 1 through pin shafts, an offset monitoring mechanism is arranged on the outer surface of each slideway wheel 3, the offset monitoring mechanism comprises an annular limiting block 4, and the offset monitoring mechanism monitors and alarms the transverse offset of each slideway wheel 3 when the steel truss girder is pushed to be constructed;
the inside of the slideway wheel 3 is provided with an adjusting mechanism, the adjusting mechanism comprises a bidirectional screw rod 5, and the adjusting mechanism adjusts the maximum value of the transverse offset of the slideway wheel 3.
The inner wall of one side of the slideway wheel 3 is provided with a limiting mechanism, the limiting mechanism comprises a mounting block 6, and the limiting mechanism limits the adjusted slideway wheel 3.
Further, in order to realize carrying out the skew monitoring when pushing away the construction, be symmetrical distribution at the inner wall of two annular limiting blocks 4 with the axis of slide wheel 3 as the symmetry center, the inner wall of annular limiting block 4 cup joints with the surface activity of slide wheel 3, annular limiting block 4 plays and carries out spacing effect when transversely shifting slide wheel 3, the round hole that is symmetrical distribution has been seted up to the inner wall of one side of annular limiting block 4, the opposite side inner wall fixedly connected with of annular limiting block 4 is symmetrical distribution's positioning sleeve 41, telescopic link 42 has been cup jointed in the inner wall activity of positioning sleeve 41, telescopic link 42's one end fixedly connected with reset spring 43, positioning sleeve 41 plays and carries out the direction location to telescopic link 42, through the cooperation use of reset spring 43, telescopic link 42 telescopic movement's effect in positioning sleeve 41 when playing.
Further, in order to realize timely alarming and stop pushing construction when offset occurs, one end of the reset spring 43 is fixedly connected with one side inner wall of the positioning sleeve 41, the other end of the telescopic rod 42 is fixedly connected with the connecting plate 44, one side surface of the connecting plate 44 is fixedly connected with the steel ball 45, the outer surface of the steel ball 45 is in contact with the inner wall of the round hole, the limit switch 46 is fixedly installed on the other side inner wall of the annular limiting block 4, the outer surface of the steel ball 45 protrudes out of one side of the annular limiting block 4 through the matching of the round hole, when the offset is the maximum value, the steel ball 45 is in contact with one side of the slideway beam for extrusion, so that the connecting plate 44 is driven to move into contact with the limit switch 46, the limit switch 46 can be matched with a wireless transmission module for use, the prior art, the wireless transmission module is not drawn in the figure, the limit switch 46 sends offset information through the wireless transmission module after being started, the offset direction is timely sent into a remote control room, pushing construction can be timely stopped and deviation correcting work can be carried out, the adjusting mechanism further comprises a fixing block 51, the cross section of the fixing block 51 is in a U-shaped, and two ends of the fixing block 51 are fixedly connected with the inner wall of the slideway wheel 3.
Further, in order to realize adjusting the maximum value that can offset according to the site construction condition, install bull stick 52 through the bearing at the inner wall of fixed block 51, fixed block 51 plays and makes bull stick 52 location pivoted effect, hexagonal groove 53 has been seted up on the one end surface of bull stick 52, the other end external surface fixed sleeve of bull stick 52 has first bevel gear 54, hexagonal groove 53 plays the adaptation allen wrench and uses, drive bull stick 52 through allen wrench and rotate, the rotation of bull stick 52 plays and drives first bevel gear 54 rotation, regulation hole 55 has been seted up to the surface of slideway wheel 3, regulation hole 55 and hexagonal groove 53 are located same axis, thereby be convenient for allen wrench inserts hexagonal groove 53 through regulation hole 55 and rotates, the travel groove 56 that is symmetrical distribution has been seted up to the surface of slideway wheel 3, the travel groove 56 inner wall can set up the scale groove, be convenient for carry out accurate regulation slideway wheel 3 offset value, the both ends of bidirectional screw 5 are all installed with slideway wheel 3's both sides inner wall through the bearing respectively.
Further, in order to realize that the maximum offset value is convenient to adjust, a second bevel gear 57 is fixedly sleeved on the outer surface of the bidirectional screw rod 5, the tooth surface of the second bevel gear 57 is meshed with the tooth surface of the first bevel gear 54, the rotation of the first bevel gear 54 drives the bidirectional screw rod 5 to rotate through the meshed second bevel gear 57, symmetrically distributed threaded blocks 58 are sleeved on the outer surface of the bidirectional screw rod 5 in a threaded manner, and the clockwise rotation of the bidirectional screw rod 5 enables the two threaded blocks 58 to move relatively, and conversely, the anticlockwise rotation enables the two threaded blocks to move oppositely.
Further, in order to realize accurate regulation, avoid the back of adjusting to appear not hard up, be fixedly connected with at the upper and lower surface of screw thread piece 58 and be symmetric distribution's connecting rod 59, the one end of connecting rod 59 runs through travel groove 56 and extends to the surface of slide wheel 3, the one end of connecting rod 59 and the inner wall fixed connection of annular stopper 4, stop gear still includes spacing wheel 61, the removal of screw thread piece 58 plays to drive annular stopper 4 through connecting rod 59 and remove to adjust the maximum deviation value of slide wheel 3 and slide frame.
Further, in order to realize spacing the offset value after adjusting, the inner wall of spacing wheel 61 cup joints with the external surface fixation of two-way lead screw 5, and spacing wheel 61 plays and carries out spacing fixed effect to the rotation of two-way lead screw 5, and draw-in groove 62 that is annular array distribution is seted up to the surface of spacing wheel 61, and one side surface and one side inner wall fixed connection of slideway wheel 3 of installation piece 6, the inner wall activity of installation piece 6 cup joints lifter plate 63, and lifter plate 63 plays the spacing lift of inner wall at installation piece 6 removes effect.
Further, in order to realize being convenient for carry out spacing, be connected with bar fixture block 64 at the upper surface fixed of lifter plate 63, the one end of bar fixture block 64 runs through and extends to the upper surface of installation piece 6, the one end of bar fixture block 64 and the inner wall activity joint of one of them draw-in groove 62, the decline removal of lifter plate 63 plays to drive the one end of bar fixture block 64 and breaks away from draw-in groove 62, otherwise rise and remove then drive bar fixture block 64 one end and insert draw-in groove 62 and carry out spacing, the upper surface fixed connection of lifter plate 63 has extension spring 65 that is symmetric distribution.
Further, in order to realize automatic reset, one end of the extension spring 65 is fixedly connected with the inner top wall of the mounting block 6, a rack 66 is fixedly connected with the lower surface of the lifting plate 63, the reset function of the extension spring 65 plays a role in driving the lifting block to reset and move up, and drives the rack 66 to move up and reset, and an adjusting rod 67 is mounted on one side inner wall of the mounting block 6 through a bearing.
Further, in order to achieve the purpose of facilitating cancellation of limiting and adjustment, one end of the adjusting rod 67 penetrates through the mounting block 6 and extends to one side surface of the slideway wheel 3, one end of the adjusting rod 67 is fixedly connected with a hand-screwing rotary table 68, the outer surface of the adjusting rod 67 is fixedly sleeved with a flat gear 69, the tooth surface of the flat gear 69 is meshed with the tooth surface of the rack 66, the hand-screwing rotary table 68 is convenient for driving the adjusting rod 67 to rotate, rotation of the adjusting rod 67 drives the flat gear 69 to rotate, and rotation of the flat gear 69 drives the meshed rack 66 to move.
Through setting up skew monitoring mechanism, adjustment mechanism and stop gear, reached and monitored the warning to the lateral shifting when slideway wheel 3 removes to reduce the detection degree of difficulty, improve the operating efficiency, and can adjust the reservation deviation value of slideway wheel 3 according to the job site, and make it be applicable to the slide roof beam of different model sizes, thereby improve the effect of practicality.
Through setting up adjustment mechanism, play the effect of being convenient for adjust slide wheel 3 lateral deviation maximum value to make its slide wheel 3 be suitable for the slide roof beam of cooperation different model sizes and use, thereby improve slide wheel 3 practicality.
Through setting up stop gear, play and carry out spacingly to annular stopper 4 after adjusting, avoid appearing the skew dislocation at rolling in-process to the effect to slide wheel 3 lateral deviation monitoring accuracy has been improved.
Working principle: step one, rotating the hand-twisting turntable 68 anticlockwise, so that the hand-twisting turntable 68 drives the flat gear 69 to rotate through the adjusting rod 67, and the rotation of the flat gear 69 drives the meshed rack 66 to move downwards, so that the lifting block is driven to move downwards in the inner seat of the mounting block 6, at the moment, the stretching spring 65 stretches, the lifting block moves to drive the strip-shaped clamping block 64 to move downwards, one end of the strip-shaped clamping block 64 is separated from the clamping groove 62, and the limiting of the limiting wheel 61 is canceled;
step two, an inner hexagonal wrench stretches into the slideway wheel 3 through the adjusting hole 55, one end of the inner hexagonal wrench is inserted into the hexagonal groove 53, the inner hexagonal wrench is rotated clockwise to drive the rotating rod 52 to rotate, the rotating rod 52 is matched with the fixed block 51 to conduct positioning rotation, so that the first bevel gear 54 is driven to rotate, the first bevel gear 54 drives the bidirectional screw rod 5 to rotate through the meshed second bevel gear 57, the rotation of the bidirectional screw rod 5 drives the two threaded blocks 58 to move relatively, the relative movement of the threaded blocks 58 drives the annular limiting block 4 to move relatively through the connecting rod 59, and therefore the maximum value of the transverse offset of the slideway wheel 3 is reduced, and otherwise, the maximum value of the transverse offset of the slideway wheel 3 is increased when the inner hexagonal wrench is rotated anticlockwise;
step three, loosening the hand-twisting turntable 68 after the adjustment is finished, wherein the reset action of the spring drives the bar-shaped clamping block 64 and the rack 66 to ascend, reset and move through the cooperation of the lifting plate 63, and one end of the bar-shaped clamping block 64 is inserted into the clamping groove 62 for clamping and limiting, so that the rotation of the bidirectional screw rod 5 is limited;
when the tank trolley body 1 is offset, the annular limiting block 4 at one end of the slideway wheel 3 is gradually close to one side of the slideway beam, when the offset is to the maximum deviation value, one side of the slideway beam is contacted and extruded with the steel ball 45 protruding from one side of the annular limiting block 4, the steel ball 45 extrudes the reset spring 43 through the matching of the connecting plate 44 and the telescopic rod 42, the reset spring 43 is contracted, the connecting plate 44 and the steel ball 45 are moved through the contraction of the reset spring 43, when one side of the connecting plate 44 is moved to be contacted with the limit switch 46, the acousto-optic alarm lamp 2 is controlled to ring, offset information is conveyed into a remote control room through a wireless transmission module, the pushing construction is stopped immediately, and the correction is carried out according to the transmitted offset azimuth information.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. A roll slider for steel truss girder installation traction, includes tank dolly body (1), its characterized in that: the intelligent tank is characterized in that an acousto-optic alarm lamp (2) which is symmetrically distributed is fixedly arranged on the upper surface of the tank trolley body (1), slideway wheels (3) which are linearly distributed in an array are hinged to the inner wall of the tank trolley body (1) through pin shafts, an offset monitoring mechanism is arranged on the outer surface of each slideway wheel (3), the offset monitoring mechanism comprises an annular limiting block (4), and the offset monitoring mechanism monitors and alarms transverse offset of each slideway wheel (3) when the steel truss is pushed to construct; an adjusting mechanism is arranged in the slideway wheel (3), the adjusting mechanism comprises a bidirectional screw rod (5), and the adjusting mechanism adjusts the maximum value of the transverse offset of the slideway wheel (3); the utility model discloses a slide wheel, including slide wheel (3), slide wheel (3) and adjusting mechanism, slide wheel (3) are fixed on the slide wheel, one side inner wall of slide wheel (3) is provided with stop gear, stop gear includes installation piece (6), stop gear carries out spacingly to slide wheel (3) after adjusting, adjustment mechanism still includes fixed block (51), U type shape is personally submitted to the transversal of fixed block (51), both ends of fixed block (51) with the inner wall fixed connection of slide wheel (3), the bull stick (52) are installed through the bearing to the inner wall of fixed block (51), hexagonal groove (53) have been seted up on the one end surface of bull stick (52), and first bevel gear (54) have been cup jointed to the other end surface of bull stick (52), regulation hole (55) have been seted up to the surface of slide wheel (3), travel groove (56) that are symmetric distribution have been seted up to the surface of slide wheel (3), both ends of two-way lead screw (5) all with the both sides inner wall installation of slide wheel (3) respectively through the bearing, the surface of two-way lead screw (5) has fixedly cup jointed second bevel gear (57), the second bevel gear (57) the tooth face of tooth surface of bull stick (52) with first bevel gear (54) has cup jointed the surface of screw (58) that is symmetric.
2. A roll slip device for steel truss girder installation traction as claimed in claim 1, wherein: the inner walls of the two annular limiting blocks (4) are symmetrically distributed by taking the axis of the slideway wheel (3) as a symmetrical center, the inner walls of the annular limiting blocks (4) are movably sleeved with the outer surface of the slideway wheel (3), round holes which are symmetrically distributed are formed in one side inner wall of the annular limiting blocks (4), positioning sleeves (41) which are symmetrically distributed are fixedly connected with the other side inner wall of the annular limiting blocks (4), telescopic rods (42) are movably sleeved on the inner walls of the positioning sleeves (41), and one ends of the telescopic rods (42) are fixedly connected with reset springs (43).
3. A roll slip device for steel truss girder installation traction as claimed in claim 2, wherein: one end of the reset spring (43) is fixedly connected with one side inner wall of the positioning sleeve (41), the other end of the telescopic rod (42) is fixedly connected with a connecting plate (44), one side surface of the connecting plate (44) is fixedly connected with a steel ball (45), the outer surface of the steel ball (45) is in contact with the inner wall of the round hole, and a limit switch (46) is fixedly arranged on the other side inner wall of the annular limiting block (4).
4. A roll slip device for steel truss girder installation traction as claimed in claim 3, wherein: the upper surface and the lower surface of screw thread piece (58) are fixedly connected with be symmetrically distributed's connecting rod (59), the one end of connecting rod (59) runs through travel groove (56) and extends to the surface of slide wheel (3), the one end of connecting rod (59) with the inner wall fixed connection of annular stopper (4), stop gear still includes spacing wheel (61).
5. A roll slip device for steel truss girder installation traction as claimed in claim 4, wherein: the inner wall of the limiting wheel (61) is fixedly sleeved with the outer surface of the bidirectional screw rod (5), clamping grooves (62) distributed in an annular array are formed in the outer surface of the limiting wheel (61), one side surface of the mounting block (6) is fixedly connected with one side inner wall of the slideway wheel (3), and a lifting plate (63) is movably sleeved on the inner wall of the mounting block (6).
6. A roll slip device for steel truss girder installation traction as claimed in claim 5, wherein: the upper surface fixedly connected with bar fixture block (64) of lifter plate (63), the one end of bar fixture block (64) runs through and extends to the upper surface of installation piece (6), the one end and one of them inner wall activity joint of draw-in groove (62) of bar fixture block (64), the upper surface fixedly connected with of lifter plate (63) is extension spring (65) of symmetric distribution.
7. A roll slip device for steel truss girder installation traction as claimed in claim 6, wherein: one end of the extension spring (65) is fixedly connected with the inner top wall of the mounting block (6), a rack (66) is fixedly connected with the lower surface of the lifting plate (63), and an adjusting rod (67) is mounted on the inner wall of one side of the mounting block (6) through a bearing.
8. A roll slip device for steel truss girder installation traction as claimed in claim 7, wherein: one end of the adjusting rod (67) penetrates through the mounting block (6) and extends to one side surface of the slideway wheel (3), one end of the adjusting rod (67) is fixedly connected with a hand-screwing rotary table (68), a flat gear (69) is fixedly sleeved on the outer surface of the adjusting rod (67), and the tooth surface of the flat gear (69) is meshed with the tooth surface of the rack (66).
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| CN202210799151.2A CN115331399B (en) | 2022-07-06 | 2022-07-06 | Rolling sliding device for steel truss girder installation traction |
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| CN115331399B true CN115331399B (en) | 2024-03-29 |
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| CN216695208U (en) * | 2021-12-30 | 2022-06-07 | 深圳紫锂新能源科技有限公司 | Weighing detection device for small lithium battery production |
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| US6778086B2 (en) * | 2002-05-02 | 2004-08-17 | Gerald Angelo Morrone | Open window security lock |
| CN108362326B (en) * | 2018-01-03 | 2020-12-18 | 江苏大学 | Suspension rail type greenhouse comprehensive information automatic cruise monitoring device |
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| CN110599743A (en) * | 2019-10-09 | 2019-12-20 | 河南城建学院 | Buried landslide early warning device |
| CN211606708U (en) * | 2020-04-23 | 2020-09-29 | 陕西国际商贸学院 | Computer theftproof data exchange case based on thing networking |
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| CN216064869U (en) * | 2021-09-06 | 2022-03-18 | 山东世纪正华金属科技有限公司 | Cold rolling mill guide mechanism for stainless steel plate |
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| CN115331399A (en) | 2022-11-11 |
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