CN110983986A - Temporary bridge laying machine - Google Patents
Temporary bridge laying machine Download PDFInfo
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- CN110983986A CN110983986A CN201911343259.5A CN201911343259A CN110983986A CN 110983986 A CN110983986 A CN 110983986A CN 201911343259 A CN201911343259 A CN 201911343259A CN 110983986 A CN110983986 A CN 110983986A
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- 239000000725 suspension Substances 0.000 claims description 171
- 229910000831 Steel Inorganic materials 0.000 claims description 57
- 239000010959 steel Substances 0.000 claims description 57
- 238000009434 installation Methods 0.000 claims description 22
- 210000000078 claw Anatomy 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
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Abstract
The invention relates to the technical field of mechanical structures and traffic engineering, in particular to a temporary.
Description
Technical Field
The invention relates to the technical field of mechanical structures and traffic engineering, in particular to a temporary bridge laying machine.
Background
The temporary bridge is a simple bridge which is temporarily erected. The bridge erected for convenient construction is used for smooth and convenient passage of construction machinery, and sometimes in order to construct large-scale projects such as subway stations and the like, the main road driving needs to be redirected for traffic evacuation. Especially, there may not be enough space to build temporary access in the city, and the temporary access bridge structure built on the river channel is used to dredge the traffic, and the general construction requirements are tight. The urban main road has more lanes and large vehicle flow. How to achieve economy, safety and convenient construction is an important problem to be considered when designing the temporary bridge. The traditional temporary construction steel temporary bridge is also 4-8 m wide, and basically a concrete beam is not adopted as the temporary bridge. In addition, the traditional steel temporary bridge adopts longitudinal arrangement of the Bailey beams, namely the Bailey beams and the road are arranged in the same direction. In urban subway construction, especially in the subway station under the main road, the temporary bridge of the relieving project is about 30m wide. Meanwhile, the urban bridge has large traffic volume and strict requirements on noise pollution, and particularly passes through schools, hospitals and residential areas. The traditional steel temporary bridge layout form is difficult to meet the requirements, influences the actual water passing section of the river channel, and then the noise is unavoidable. If a permanent concrete bridge structure is adopted, the investment cost is high, the construction speed is slow, and the dismantling cost is high. And is not possible to reuse. The Bailey beam is a frame structure formed by combining the Bailey frames and the transverse connecting frames through Bailey pins, and the Bailey frames and the Bailey pins are standard commodity parts and can be spliced and assembled into a plurality of members and equipment.
Chinese patent CN201710364044.6 discloses a temporary bridge device, which is used for a temporary erected simple bridge and comprises a plurality of Bailey beams which are longitudinally arranged at intervals on a vertical traffic lane and cross the space under the bridge, a pavement distribution beam of I-steel is paved on the Bailey beams, a bamboo plywood is paved on the pavement distribution beam, and concrete bridge panels are poured on the bamboo plywood on site to form a pavement; u-shaped bolts embedded in the concrete bridge deck are connected with the Bailey beams; end bridge piles are arranged at two ends of each Bailey beam, a middle bridge pile is arranged in the middle of each Bailey beam, and the end bridge piles and the middle bridge piles support the Bailey beams.
The temporary bridge is inconvenient to install.
Disclosure of Invention
The invention aims to provide a temporary bridge laying machine, and the technical scheme solves the problem of inconvenient installation of the temporary bridge.
In order to solve the technical problems, the invention provides the following technical scheme: including the organism, send a mechanism, track running gear, hold mechanism tightly and suspend the mechanism in midair, the organism is including the rack and suspend the frame in midair, suspends the frame in midair and sets up in rack one end with the axial, send a mechanism and set up in the inside bottom of rack with the axial, send the pan feeding mouth of putting on the shelf end orientation organism of a mechanism, track running gear with hold the mechanism tightly and all set up in the bottom of the organism, suspend in midair that the mechanism slides and set up in the inside top of organism.
Preferably, still including balance mechanism, balance mechanism is including stand and balanced rope, and the stand is vertical to be set up in rack and the junction of hanging in midair top, and organism top four corners is through balanced rope and stand top fixed connection.
Preferably, the two sides of the bottom end of the placing rack are also provided with orientation plates.
Preferably, send a mechanism including changeing roller, first fixed plate and second fixed plate, a plurality of roller both ends are changeed and are rotated the setting and in first fixed plate and second fixed plate one side, and first fixed plate and second fixed plate are fixed to be set up in the inside bottom of rack.
Preferably, the frame conveying mechanism further comprises a baffle plate, and the baffle plate and the rotating roller are coaxially arranged at one end of the first fixing plate and one end of the second fixing plate.
Preferably, the clasping mechanism comprises a fixed rod, an installation rod, a first spring, an installation support and clasping wheels, wherein the fixed rod is arranged at the bottom end of the machine body, movable rings are arranged at the two ends of the fixed rod, a stop ring is coaxially arranged at the top end of the installation rod, a first limit ring is further sleeved on the circumferential surface of the installation rod, the movable rings are sleeved on the installation rod and are positioned between the stop ring and the first limit ring, the first spring is sleeved on the installation rod, the two ends of the first spring are respectively abutted against the top end of the movable ring and the bottom end of the stop ring, the installation support is arranged at the bottom end of the installation rod, and the clasping wheels are rotatably arranged at the two ends.
Preferably, first slide rails are arranged on two sides of the top end in the placing frame, second slide rails are arranged on two sides of the top of the suspension frame, and the first slide rails are communicated with the second slide rails; the suspension mechanism comprises a suspension top, a limiting mechanism, a first electric hoist, a second electric hoist, a first steel wire rope, a second steel wire rope, a first traction device, a second traction device, a first suspension device, a second suspension device and a connecting plate, sliding blocks are arranged on two sides of the suspension top, the suspension top is arranged on a first sliding rail and a second sliding rail in a sliding mode through the sliding blocks, the limiting mechanism is arranged at the top end of the suspension top, the first electric hoist and the second electric hoist are arranged on the top of the placing frame, the first traction device and the second traction device are arranged at the bottom end of the suspension top, the first steel wire rope is fixedly connected with the top end of the first suspension device through the first electric hoist and the first traction device in sequence, and the second steel wire rope is fixedly connected with the top end of the second suspension device through the second electric hoist and the second traction device in sequence; the first suspension device and the second suspension device are fixedly connected through a connecting plate.
Preferably, the limiting mechanism comprises a plug rack, an electric push rod, a mounting joint, a sliding column, a chute sliding block, a directional guide sleeve, a second spring, a limiting column and a second limiting ring, the plug rack is arranged in a first slide rail and a second slide rail, the electric push rod and the directional guide sleeve are vertically arranged at four corners of the top end of the suspension hanger, the second limiting ring is sleeved on the limiting column, the limiting column is plugged inside the directional guide sleeve, the limiting end of the limiting column faces the plug rack, the second spring is sleeved on the limiting column, two ends of the second spring are respectively abutted to one side of the second limiting ring and the inside of the directional guide sleeve, the chute sliding block is arranged at the other end of the limiting column, the mounting joint is arranged at the working end of the electric push rod, the sliding column is vertically arranged on the mounting joint, and the sliding column is in sliding fit with a chute on.
Preferably, the first traction device comprises a first traction wheel, a second traction wheel and a third traction wheel, the first traction wheel is arranged at one end of the placing frame, the second traction wheel is arranged at one end of the bottom of the suspension hanger, and the third traction wheel is arranged at the bottom end of the suspension hanger; the second traction device comprises a fourth traction wheel, a fifth traction wheel and a sixth traction wheel, the fourth traction wheel is arranged at one end of the suspension frame, the fifth traction wheel is arranged at the other end of the bottom of the first traction device, and the third traction wheel is arranged at the bottom end of the top of the suspension frame; the first steel wire rope is fixedly connected with the top end of the first suspension device sequentially through the first electric hoist, the first traction wheel, the second traction wheel and the third traction wheel, and the second steel wire rope is fixedly connected with the top end of the second suspension device sequentially through the second electric hoist, the fourth traction wheel, the fifth traction wheel and the sixth traction wheel.
Preferably, the first suspension device comprises a suspension box, a limiting track, a screw rod nut, a double-shaft motor, a threaded rod, a suspension claw, a limiting block and a fixing lug, wherein the limiting track is coaxially arranged at the top end of the inner part of the suspension box; the second suspension device is identical in structure to the first suspension device.
Compared with the prior art, the invention has the beneficial effects that:
the working personnel sets the laying machine on a first temporary bridge component laid in advance, the placing frame is positioned above the first temporary bridge component, the suspension frame is positioned above the front end of the first temporary bridge component, the crawler traveling mechanism is abutted against tracks on two sides of the top end of the temporary bridge component, when the machine body moves on the temporary bridge component, the holding wheels rotate on the bottom ends of the tracks on two sides of the temporary bridge component, when a projection is formed, the mounting rod can move downwards under the elastic action of the first spring, so that the stability of the moving process is ensured, the working personnel pushes the second temporary bridge component into the placing frame through the frame conveying mechanism, the suspension top is positioned right above the temporary bridge component, the suspension top is fixed on the first slide rail through the limiting mechanism, then the first electric hoist and the second electric hoist are started, so that the first suspension device and the second suspension device can descend through the first traction device and the second traction device respectively, so that the first suspension device and the second suspension device fall to two sides of the toilet bridge assembly, the first suspension device and the second suspension device clamp two sides of the toilet bridge assembly, then the first electric hoist and the second electric hoist synchronously tighten the first steel wire rope and the second steel wire rope, so that the toilet bridge assembly is suspended, then the electric push rod is started, so that the working end of the electric push rod moves forwards, so that the mounting joint drives the sliding column to slide to one end in the chute of the chute sliding block, so that the limiting column mounted in the directional guide sleeve extends forwards, so that the limiting end of the limiting column is clamped in the splicing rack, so that the sliding is stopped, the second electric hoist continuously tightens the second steel wire rope, the first electric hoist synchronously loosens the first steel wire rope, so that the suspension roof slides on the first slide rail and the second slide rail through the sliding block, so that the temporary bridge component is clamped by the first suspension device and the second suspension device and moves to the bottom end of the suspension frame, then the limiting mechanism is started again, so that the suspension roof is limited at the bottom end of the suspension frame, then the first electric hoist and the second electric hoist synchronously loosen the first steel wire rope and the second steel wire rope, so that the temporary bridge component moves downwards until the temporary bridge component moves to the installation position, a worker fixedly installs the temporary bridge component, the first electric hoist and the second electric hoist synchronously tighten the first steel wire rope and the second steel wire rope, so that the first suspension device and the second suspension device synchronously move upwards through the connecting plate, then the working end of the electric push rod resets, so that the installation joint drives the sliding column to slide to the other end in the chute of the chute sliding block, so that the limiting column installed in the directional guide sleeve resets, so that the limiting is relieved, and the first electric hoist tightens the first steel wire rope, the second electric block synchronously loosens the second wire rope until the first and second suspension devices return to the original positions, thereby facilitating the next suspension operation.
The laying machine can assist workers to automatically lay the temporary bridge assembly, so that the effect of efficiently constructing the temporary bridge is achieved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a sectional view taken along line B-B of FIG. 2;
FIG. 5 is a perspective view of the carriage mechanism of the present invention;
FIG. 6 is a perspective view of a clasping mechanism of the present invention;
FIG. 7 is a front view of the suspension mechanism of the present invention;
FIG. 8 is a top view of the suspension mechanism of the present invention;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;
fig. 10 is a perspective view of a suspension device of the present invention;
fig. 11 is a front view of a suspension device of the present invention;
fig. 12 is a sectional view taken along the direction D-D of fig. 11.
The reference numbers in the figures are:
1. a body; 1a, placing a rack; 1a1, oriented board; 1a2, a first slide rail; 1b, a suspension frame; 1b1, second slide rail;
2. a frame conveying mechanism; 2a, rotating the roller; 2b, a first fixing plate; 2c, a second fixing plate; 2d, a baffle plate;
3. a crawler travel mechanism;
4. a clasping mechanism; 4a, fixing the rod; 4a1, a movable ring; 4b, mounting a rod; 4b1, stop ring; 4b2, a first spacing collar; 4c, a first spring; 4d, mounting a bracket; 4e, a clasping wheel;
5. a suspension mechanism; 5a, hanging a ceiling; 5a1, slider; 5b, a limiting mechanism; 5b1, plug-in rack; 5b2, electric push rod; 5b3, mounting a joint; 5b4, sliding column; 5b5, chute slide; 5b6, directional guide sleeve; 5b7, second spring; 5b8, limiting columns; 5b9, a second spacing collar; 5c, a first electric hoist; 5d, a second electric hoist; 5e, a first steel wire rope; 5f, a second steel wire rope; 5g, a first traction device; 5g1, a first traction wheel; 5g2, a second traction wheel; 5g3, third traction wheel; 5h, a second traction device; 5h1, a fourth traction wheel; 5h2, a fifth traction wheel; 5h3, a sixth traction wheel; 5i, a first suspension device; 5i1, hanging box; 5i2, limit rail; 5i3, lead screw nut; 5i4, a two-shaft motor; 5i5, threaded rod; 5i6, suspension claw; 5i7 and a limiting block; 5i7, fixing ear; 5j, a second suspension device; 5k, connecting plates;
6. a balancing mechanism; 6a, a vertical column; 6b, balance ropes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 12, a temporary suspension bridge laying machine, including organism 1, send a mechanism 2, crawler travel mechanism 3, hold mechanism 4 and suspend mechanism 5 in midair, organism 1 is including rack 1a and suspension frame 1b, suspension frame 1b sets up in rack 1a one end with the axial, send a mechanism 2 to set up in rack 1a inside bottom with the axial, send the pan feeding mouth of putting on the shelf end orientation organism 1 of a mechanism 2, crawler travel mechanism 3 and hold mechanism 4 and all set up in organism 1 bottom, suspend mechanism 5 in midair and slide and set up in organism 1 inside top.
A worker sets a laying machine on a first temporary bridge component laid in advance, at the moment, a placing frame 1a is positioned above the first temporary bridge component, a suspension frame 1b is positioned above the front end of the first temporary bridge component, a crawler walking mechanism 3 is abutted to tracks on two sides of the top end of the temporary bridge component, a holding mechanism 4 is used for limiting a machine body 1 on the temporary bridge component to prevent the laying machine from overturning to cause accidents, the worker pushes a second temporary bridge component into the placing frame 1a through a frame feeding mechanism 2, then a suspension mechanism 5 is started to clamp the temporary bridge component, then the second temporary bridge component is suspended above the front end of the first temporary bridge component through the suspension end of the suspension mechanism 5, then the second temporary bridge component is placed through the suspension mechanism 5 to enable the first temporary bridge component box and the second temporary bridge component to be connected end to end, and end connection is convenient for the worker to fixedly install the first temporary bridge component and the second temporary bridge component, after the installation is successful, the suspension mechanism 5 returns to the original position, the crawler traveling mechanism 3 is started to enable the machine body 1 to move to the second temporary bridge component, and therefore the next temporary bridge component is installed, and the purpose of continuous laying and installation is achieved; the crawler track 3 is common in the market and will not be described here.
Still including balance mechanism 6, balance mechanism 6 is including stand 6a and balanced rope 6b, and stand 6a is vertical to be set up in rack 1a and suspension frame 1b top junction, and 1 top four corners of organism passes through balanced rope 6b and stand 6a top fixed connection.
The two sides of the bottom end of the placing rack 1a are also provided with orientation plates 1a 1.
The orientation board 1a1 can shield the mechanism arranged at the bottom end of the placing rack 1a, so that workers are prevented from being accidentally injured, and the placing rack 1a can be prevented from being overturned.
Send a mechanism 2 including changeing roller 2a, first fixed plate 2b and second fixed plate 2c, a plurality of roller 2a both ends are changeed and are rotated the setting and in first fixed plate 2b and second fixed plate 2c one side, and first fixed plate 2b and second fixed plate 2c are fixed to be set up at the inside bottom of rack 1 a.
Send a mechanism 2 to be convenient for the staff to push away the suspension bridge subassembly to inside rack 1a to be convenient for lay, a plurality of roller 2a both ends are changeed and are set up in first fixed plate 2b and second fixed plate 2c one side, thereby make and trun into rolling friction by sliding friction, thereby reach laborsaving effect.
The frame conveying mechanism 2 further comprises a baffle 2d, and the baffle 2d and the rotating roller 2a are coaxially arranged at one ends of the first fixing plate 2b and the second fixing plate 2 c.
When the worker pushes the temporary bridge assembly, the rotating roller 2a can rotate on the first fixing plate 2b and the second fixing plate 2c, if the front ends of the first fixing plate 2b and the second fixing plate 2c are not provided with a shielding object, the temporary bridge assembly can be separated from the proper position of suspension, so that the laying machine can not work normally,
the clasping mechanism 4 comprises a fixed rod 4a, a mounting rod 4b, a first spring 4c, a mounting bracket 4d and a clasping wheel 4e, wherein the fixed rod 4a is arranged at the bottom end of the machine body 1, movable rings 4a1 are arranged at the two ends of the fixed rod 4a, a stop ring 4b1 is coaxially arranged at the top end of the mounting rod 4b, a first limit ring 4b2 is further sleeved on the circumferential surface of the mounting rod 4b, the movable rings 4a1 are sleeved on the mounting rod 4b, the movable rings 4a1 are positioned between the stop ring 4b1 and the first limit ring 4b2, the first spring 4c is sleeved on the mounting rod 4b, the two ends of the first spring 4c are respectively abutted against the top end of the movable rings 4a1 and the bottom end of the stop ring 4b1, the mounting bracket 4d is arranged at the bottom end of the mounting rod 4b, and the clasping wheel 4e is rotatably arranged at.
The clasping mechanism is used for limiting the machine body 1 on a temporary bridge component with a laid bottom end, the fixed rod 4a is arranged at the bottom end of the machine body 1, the movable ring 4a1 is sleeved on the installation rod 4b, the first spring 4c is sleeved on the installation rod 4b, two ends of the first spring 4c are respectively abutted against the top end of the movable ring 4a1 and the bottom end of the stop ring 4b1, the first spacing ring 4b2 is used for limiting the downward sliding of the movable ring 4a1, the installation support 4d is arranged at the bottom end of the installation rod 4b, the clasping wheels 4e are rotatably arranged at two ends of the installation support 4d, so that the clasping wheels 4e are abutted against the bottom ends of the rails at the two sides of the temporary bridge component, when the machine body 1 moves on the temporary bridge component, the clasping wheels 4e rotate on the bottom ends of the rails at the two sides of the temporary bridge component, when there is a projection, the mounting rod 4b can be moved downward by the elastic force of the first spring 4c, thereby ensuring the smooth movement process.
Two sides of the top end in the placing rack 1a are provided with first slide rails 1a2, two sides of the top of the suspension rack 1b are provided with second slide rails 1b1, and the first slide rails 1a2 are communicated with the second slide rails 1b 1; the suspension mechanism 5 comprises a suspension roof 5a, a limiting mechanism 5b, a first electric hoist 5c, a second electric hoist 5d, a first steel wire rope 5e, a second steel wire rope 5f, a first traction device 5g, a second traction device 5h, a first suspension device 5i, a second suspension device 5j and a connecting plate 5k, sliding blocks 5a1 are arranged on two sides of the suspension roof 5a, the suspension roof 5a is arranged on first sliding rails 1a2 and 1b2 in a sliding manner through sliding blocks 5a1, the limiting mechanism 5b is arranged at the top end of the suspension roof 5a, the first electric hoist 5c and the second electric hoist 5d are arranged at the top of the placing frame 1a, the first traction device 5g and the second traction device 5h are arranged at the bottom end of the suspension roof 5a, the first steel wire rope 5e is fixedly connected with the top end of the first suspension device 5i through the first electric hoist 5c and the first traction device 5g in sequence, the second steel wire rope 5f is fixedly connected with the top end of the second suspension device 5j through the second electric hoist 5d and the second traction device 5h in sequence; the first suspender 5i and the second suspender 5j are fixedly connected by the connecting plate 5 k.
The working personnel push the toilet bridge component into the placing rack 1a, the suspension hanging roof 5a is positioned right above the toilet bridge component, the limiting mechanism 5b enables the suspension hanging roof 5a to be fixed on the first slide rail 1a2, then the first electric hoist 5c and the second electric hoist 5d are started, so that the first steel wire rope 5e and the second steel wire rope 5f enable the first suspension device 5i and the second suspension device 5j to descend through the first traction device 5g and the second traction device 5h respectively, so that the first suspension device 5i and the second suspension device 5j fall to two sides of the toilet bridge component, so that the first suspension device 5i and the second suspension device 5j clamp two sides of the toilet bridge component, then the first electric hoist 5c and the second electric hoist 5d synchronously tighten the first steel wire rope 5e and the second steel wire rope 5f, so that the toilet bridge component is suspended, then the limiting mechanism 5b stops limiting, the second electric hoist 5d continues to tighten the second steel wire rope 5f, the first electric hoist 5c synchronously loosens the first steel wire rope 5e, so that the suspension hanging top 5a slides on the first slide rail 1a2 and the second slide rail 1b1 through the slide block 5a1, so that the toilet bridge assembly moves to the bottom end of the suspension rack 1b under the clamping of the first suspension device 5i and the second suspension device 5j, then the limiting mechanism 5b is started again, so that the suspension hanging top 5a is limited at the bottom end of the suspension rack 1b, then the first electric hoist 5c and the second electric hoist 5d synchronously loosen the first steel wire rope 5e and the second steel wire rope 5f, so that the toilet bridge assembly moves downwards until the mounting position is reached, the worker fixedly mounts the toilet bridge assembly, the first electric hoist 5c and the second electric hoist 5d synchronously tighten the first steel wire rope 5e and the second steel wire rope 5f, so that the first suspension device 5i and the second suspension device 5j synchronously move upwards through the connecting plate 5k, then the limiting mechanism 5b stops limiting, the first electric hoist 5c tightens the first steel wire rope 5e, and the second electric hoist 5d synchronously loosens the second steel wire rope 5f until the first suspension device 5i and the second suspension device 5j return to the original positions, thereby facilitating the next suspension operation; the first traction device 5g and the second traction device 5h are used to pull the first wire rope 5e and the second wire rope 5 f.
The limiting mechanism 5b comprises a plugging rack 5b1, an electric push rod 5b2, a mounting joint 5b3, a sliding column 5b4, a chute slider 5b5, a directional guide sleeve 5b6, a second spring 5b7, a limiting column 5b8 and a second limiting ring 5b9, the plugging rack 5b1 is arranged in a first sliding rail 1a2 and a second sliding rail 1b1, the electric push rod 5b2 and the directional guide sleeve 5b2 are vertically arranged at four corners of the top end of the suspended ceiling 5a, the second limiting ring 5b2 is sleeved on the limiting column 5b2, the limiting column 5b2 is plugged in the directional guide sleeve 5b2, the limiting end of the limiting column 5b2 faces the plugging rack 5b2, the second spring 5b2 is sleeved on the limiting column 365 b2, two ends of the second spring 5b2 respectively abut against one side of the second limiting ring 5b2 and the guide sleeve 72 of the directional guide sleeve 5b2, the sliding block 2 is arranged at the working end of the chute slider 2, the mounting joint 2 is arranged at the working end of the push rod 5b2, the sliding column 5b4 is vertically arranged on the mounting joint 5b3, and the sliding column 5b4 is in sliding fit with the sliding groove on the chute sliding block 5b 5.
The limiting mechanism 5b is used for timely limiting when the suspension hanging roof 5a slides on the first slide rail 1a2 and the second slide rail 1b1, so that the suspension hanging roof 5a stops sliding and is convenient to suspend, the plugging rack 5b1 is arranged in the first slide rail 1a2 and the second slide rail 1b1, the limiting end of the limiting column 5b8 faces the plugging rack 5b1, when the limiting is needed, the electric push rod 5b2 is started, so that the working end of the electric push rod 5b2 moves forwards, so that the mounting connector 5b3 drives the sliding column 5b4 to slide to one end in the chute of the chute slider 5b5, so that the limiting column 5b8 installed in the directional guide sleeve 5b6 extends forwards, so that the limiting end of the limiting column 5b8 is clamped in the plugging rack 5b1, and the 5a2 stops sliding; when the limit needs to be relieved, the working end of the electric push rod 5b2 resets, so that the mounting joint 5b3 drives the sliding column 5b4 to slide to the other end in the chute of the chute sliding block 5b5, and the limit column 5b8 arranged in the directional guide sleeve 5b6 resets, so that the limit is relieved; both ends of the second spring 5b7 abut against the side of the second spacing collar 5b9 and the inside of the directional guide sleeve 5b6, respectively, thereby facilitating the enhancement of the structural stability.
The first traction device 5g comprises a first traction wheel 5g1, a second traction wheel 5g2 and a third traction wheel 5g3, the first traction wheel 5g1 is arranged at one end of the placing rack 1a, the second traction wheel 5g2 is arranged at one end of the bottom of the suspended ceiling 5a, and the third traction wheel 5g3 is arranged at the bottom end of the suspended ceiling 5 a; the second traction device 5h comprises a fourth traction wheel 5h1, a fifth traction wheel 5h2 and a sixth traction wheel 5h3, the fourth traction wheel 5h1 is arranged at one end of the suspension bracket 1b, the fifth traction wheel 5h2 is arranged at the other end of the bottom of the first traction device 5g, and the third traction wheel 5g3 is arranged at the bottom end of the suspension ceiling 5 a; the first steel wire rope 5e is fixedly connected with the top end of the first suspension device 5i sequentially through the first electric hoist 5c, the first traction wheel 5g1, the second traction wheel 5g2 and the third traction wheel 5g3, and the second steel wire rope 5f is fixedly connected with the top end of the second suspension device 5j sequentially through the second electric hoist 5d, the fourth traction wheel 5h1, the fifth traction wheel 5h2 and the sixth traction wheel 5h 3.
The first traction device 5g and the second traction device 5h are used for drawing a first steel wire rope 5e and a second steel wire rope 5f, the first steel wire rope 5e is fixedly connected with the top end of the first suspension device 5i sequentially through a first electric hoist 5c, a first traction wheel 5g1, a second traction wheel 5g2 and a third traction wheel 5g3, and the second steel wire rope 5f is fixedly connected with the top end of the second suspension device 5j sequentially through a second electric hoist 5d, a fourth traction wheel 5h1, a fifth traction wheel 5h2 and a sixth traction wheel 5h3, so that the first suspension device 5i and the second suspension device 5j can control the first steel wire rope 5e and the second steel wire rope 5f to freely lift and move through the suspension devices.
The first suspension device 5i comprises a suspension box 5i1, a limit track 5i2, a lead screw nut 5i3, a double-shaft motor 5i4, a threaded rod 5i5, a suspension claw 5i6, a limit block 5i7 and a fixing lug 5i8, wherein the limit track 5i2 is coaxially arranged at the top end inside the suspension box 5i1, the double-shaft motor 5i4 is coaxially arranged at the middle position inside the suspension box 5i1, the lead screw nut 5i3 is coaxially arranged on working shafts at two ends of the double-shaft motor 5i4, the lead screw nut 5i3 is sleeved on the threaded rod 5i5, the limit block 5i7 is arranged at the top end of the lead screw nut 5i3, the lead screw nut 5i3 is in sliding fit with the limit track 5i2, the suspension claw 5i6 is arranged at the bottom end of the lead screw nut 5i3, the fixing lug 5i3 is arranged at two ends of the suspension box 5i3, and the first steel wire rope 365 e is connected with the fixing lug 3; the second suspender 5j is identical in structure to the first suspender 5 i.
When the first suspension device 5i and the second suspension device 5j move to both sides of the access bridge assembly, the two-shaft motor 5i4 is started to rotate the threaded rods 5i5 installed on the working shafts at both ends of the two-shaft motor 5i4, so that the lead screw nuts 5i3 rotate on the threaded rods 5i5, the limit blocks 5i7 are limited in the limit rails 5i2, so that the suspension claws 5i6 at both ends move to the middle position, so that the suspension claws 5i6 clamp both sides of the access bridge assembly, and the second suspension device 5j synchronously clamps, so that the access bridge assembly can be clamped and suspended, when the access bridge assembly needs to be put down, the two-shaft motor 5i4 rotates reversely, so that the suspension claws 5i6 release both sides of the access bridge assembly, and the first wire rope 5e can be fixedly connected with the suspension box 5i1 through the fixing lugs 5i 8. Thereby facilitating suspension.
The working principle of the invention is as follows:
the working personnel sets up the laying machine on the first block of just bridge subassembly that paves in advance, this moment rack 1a is located first block just bridge subassembly top, it is located first block just bridge subassembly front end top to suspend frame 1b in midair, crawler travel mechanism 3 butt is on just bridge subassembly top both sides track, when organism 1 moves on just bridge subassembly, it rotates on just bridge subassembly both sides track bottom to hold wheel 4e tightly, when the salient, installation pole 4b can move down under the spring action of first spring 4c, thereby guarantee the steady of removal process, the staff is through sending frame mechanism 2 with inside second block just bridge subassembly propelling movement to rack 1a, it is located just above just bridge subassembly to suspend top of suspending 5a, stop gear 5b makes and suspends top of suspending 5a and fixes on first slide rail 1a2, then first electric block 5c and second electric block 5d start, thereby make first wire rope 5e and second wire rope 5f pass through first draw gear 5g and second draw gear respectively The traction device 5h lowers the first suspension device 5i and the second suspension device 5j so that the first suspension device 5i and the second suspension device 5j fall to two sides of the temporary bridge assembly so that the first suspension device 5i and the second suspension device 5j clamp two sides of the temporary bridge assembly, then the first electric hoist 5c and the second electric hoist 5d synchronously tighten the first steel wire rope 5e and the second steel wire rope 5f so that the temporary bridge assembly is suspended, then the electric push rod 5b2 is started so that the working end of the electric push rod 5b2 moves forward, so that the installation joint 5b3 drives the sliding column 5b4 to slide to one end inside the chute of the chute slide block 5b5, so that the limit column 5b8 installed in the directional guide sleeve 5b6 extends forward, so that the limit end of the limit column 5b8 is clamped in the splicing rack 5b1, so that the 5a2 stops sliding, the second electric hoist 5d continues to tighten the second wire rope 5f, the first electric hoist 5c synchronously loosens the first wire rope 5e, so that the suspension hanger 5a slides on the first slide rail 1a2 and the second slide rail 1b1 through the slide block 5a1, so that the toilet bridge assembly moves to the bottom end of the suspension frame 1b under the clamping of the first suspension device 5i and the second suspension device 5j, then the limiting mechanism 5b is started again, so that the suspension hanger 5a is limited at the bottom end of the suspension frame 1b, then the first electric hoist 5c and the second electric hoist 5d synchronously loosen the first wire rope 5e and the second wire rope 5f, so that the toilet bridge assembly moves downwards until the mounting position is reached, the worker fixedly mounts the toilet bridge assembly, the first electric hoist 5c and the second electric hoist 5d synchronously tighten the first wire rope 5e and the second wire rope 5f, so that the first suspension device 5i and the second suspension device 5j move upwards synchronously through the connecting plate 5k, then the working end of the electric push rod 5b2 is reset, so that the mounting joint 5b3 drives the sliding column 5b4 to slide to the other end inside the chute of the chute slider 5b5, so that the limiting column 5b8 mounted in the directional guide sleeve 5b6 is reset, so that the limiting is released, the first electric hoist 5c tightens the first steel wire rope 5e, and the second electric hoist 5d loosens the second steel wire rope 5f synchronously until the first suspension device 5i and the second suspension device 5j return to the original positions, thereby facilitating the next suspension operation.
Claims (10)
1. The utility model provides a temporary bridge laying machine, which comprises a machine body (1), send a mechanism (2), crawler travel mechanism (3), hold tightly mechanism (4) and suspend in midair mechanism (5), organism (1) is including rack (1 a) and suspension bracket (1 b), suspension bracket (1 b) sets up in rack (1 a) one end with the axial, send a mechanism (2) to set up in rack (1 a) inside bottom with the axial, send the pan feeding mouth of putting on the shelf end orientation organism (1) of a mechanism (2), crawler travel mechanism (3) all set up in organism (1) bottom with holding tightly mechanism (4), suspend in midair mechanism (5) and slide and set up in organism (1) inside top.
2. The temporary bridge laying machine according to claim 1, further comprising a balance mechanism (6), wherein the balance mechanism (6) comprises an upright post (6 a) and a balance rope (6 b), the upright post (6 a) is vertically arranged at the joint of the top ends of the placing frame (1 a) and the suspension frame (1 b), and four corners of the top end of the machine body (1) are fixedly connected with the top end of the upright post (6 a) through the balance rope (6 b).
3. A temporary bridge girder spreader according to claim 1, wherein orientation plates (1 a 1) are further provided on both sides of the bottom end of the placement frame (1 a).
4. The temporary bridge laying machine according to claim 1, wherein the frame conveying mechanism (2) comprises a plurality of rotating rollers (2 a), a first fixing plate (2 b) and a second fixing plate (2 c), two ends of the plurality of rotating rollers (2 a) are rotatably arranged on one side of the first fixing plate (2 b) and one side of the second fixing plate (2 c), and the first fixing plate (2 b) and the second fixing plate (2 c) are fixedly arranged at the bottom end inside the frame (1 a).
5. A temporary bridge girder spreader according to claim 1, wherein the carriage mechanism (2) further comprises a baffle (2 d), and the baffle (2 d) is disposed at one end of the first fixing plate (2 b) and the second fixing plate (2 c) in the same axial direction as the rotating roller (2 a).
6. The temporary bridge laying machine according to claim 1, wherein the clasping mechanism (4) comprises a fixed rod (4 a), a mounting rod (4 b), a first spring (4 c), a mounting bracket (4 d) and a clasping wheel (4 e), the fixed rod (4 a) is arranged at the bottom end of the machine body (1), movable rings (4 a 1) are arranged at two ends of the fixed rod (4 a), a stop ring (4 b 1) is coaxially arranged at the top end of the mounting rod (4 b), a first limit ring (4 b 2) is further sleeved on the circumferential surface of the mounting rod (4 b), the movable ring (4 a 1) is sleeved on the mounting rod (4 b), the movable ring (4 a 1) is positioned between the stop ring (4 b 1) and the first limit ring (4 b 2), the first spring (4 c) is sleeved on the mounting rod (4 b), two ends of the first spring (4 c) are respectively abutted against the top end of the movable ring (4 a 1) and the bottom end of the stop ring (4 b 1), the mounting bracket (4 d) is arranged at the bottom end of the mounting rod (4 b), and the clasping wheel (4 e) is rotatably arranged at two ends of the mounting bracket (4 d).
7. The temporary bridge girder laying machine according to claim 1, wherein the placing rack (1 a) is provided with a first slide rail (1 a 2) at two sides of the top end inside the placing rack (1 a), the suspension rack (1 b) is provided with a second slide rail (1 b 1) at two sides of the top part of the suspension rack (1 b), and the first slide rail (1 a 2) is communicated with the second slide rail (1 b 1); the suspension mechanism (5) comprises a suspension hanging top (5 a), a limiting mechanism (5 b), a first electric hoist (5 c), a second electric hoist (5 d), a first steel wire rope (5 e), a second steel wire rope (5 f), a first traction device (5 g), a second traction device (5 h), a first suspension device (5 i), a second suspension device (5 j) and a connecting plate (5 k), sliding blocks (5 a 1) are arranged on two sides of the suspension hanging top (5 a), the suspension hanging top (5 a) is arranged on a first sliding rail (1 a 2) and a first sliding rail (1 b 2) in a sliding mode through the sliding blocks (5 a 1), the limiting mechanism (5 b) is arranged at the top end of the suspension hanging top (5 a), the first electric hoist (5 c) and the second electric hoist (5 d) are arranged at the top of the placing rack (1 a), and the first traction device (5 g) and the second traction device (5 h) are arranged at the bottom end of the suspension hanging top (5 a), the first steel wire rope (5 e) is fixedly connected with the top end of the first suspension device (5 i) sequentially through the first electric hoist (5 c) and the first traction device (5 g), and the second steel wire rope (5 f) is fixedly connected with the top end of the second suspension device (5 j) sequentially through the second electric hoist (5 d) and the second traction device (5 h); the first suspension device (5 i) and the second suspension device (5 j) are fixedly connected through a connecting plate (5 k).
8. The temporary bridge girder laying machine according to claim 7, wherein the limiting mechanism (5 b) comprises a plug-in rack (5 b 1), an electric push rod (5 b 2), a mounting joint (5 b 3), a sliding column (5 b 4), a chute sliding block (5 b 5), a directional guide sleeve (5 b 6), a second spring (5 b 7), a limiting column (5 b 8) and a second limiting ring (5 b 9), the plug-in rack (5 b 1) is arranged in the first sliding rail (1 a 2) and the second sliding rail (1 b 1), the electric push rod (5 b 2) and the directional guide sleeve (5 b 6) are vertically arranged at four corners of the top end of the suspended ceiling (5 a), the second limiting ring (5 b 9) is sleeved on the limiting column (5 b 8), the limiting column (5 b 8) is arranged in the directional guide sleeve (5 b 6), the limiting end of the limiting column (5 b 8) faces the second limiting column 585 b 1b 7), two ends of a second spring (5 b 7) are respectively abutted against one side of a second limiting ring (5 b 9) and the inside of a directional guide sleeve (5 b 6), a chute sliding block (5 b 5) is arranged at the other end of a limiting column (5 b 8), an installation joint (5 b 3) is arranged at the working end of an electric push rod (5 b 2), a sliding column (5 b 4) is vertically arranged on the installation joint (5 b 3), and a sliding column (5 b 4) is in sliding fit with a sliding groove in the chute sliding block (5 b 5).
9. A temporary bridge girder spreader according to claim 7, wherein the first traction device (5 g) comprises a first traction wheel (5 g 1), a second traction wheel (5 g 2) and a third traction wheel (5 g 3), the first traction wheel (5 g 1) is arranged at one end of the placing frame (1 a), the second traction wheel (5 g 2) is arranged at one end of the bottom of the suspended ceiling (5 a), and the third traction wheel (5 g 3) is arranged at the bottom end of the suspended ceiling (5 a); the second traction device (5 h) comprises a fourth traction wheel (5 h 1), a fifth traction wheel (5 h 2) and a sixth traction wheel (5 h 3), the fourth traction wheel (5 h 1) is arranged at one end of the suspension frame (1 b), the fifth traction wheel (5 h 2) is arranged at the other end of the bottom of the first traction device (5 g), and the third traction wheel (5 g 3) is arranged at the bottom end of the suspension ceiling (5 a); the first steel wire rope (5 e) is fixedly connected with the top end of the first suspension device (5 i) sequentially through the first electric hoist (5 c), the first traction wheel (5 g 1), the second traction wheel (5 g 2) and the third traction wheel (5 g 3), and the second steel wire rope (5 f) is fixedly connected with the top end of the second suspension device (5 j) sequentially through the second electric hoist (5 d), the fourth traction wheel (5 h 1), the fifth traction wheel (5 h 2) and the sixth traction wheel (5 h 3).
10. The temporary bridge laying machine according to claim 7, wherein the first suspension device (5 i) comprises a suspension box (5 i 1), a limit track (5 i 2), a screw rod nut (5 i 3), a two-shaft motor (5 i 4), a threaded rod (5 i 5), a suspension claw (5 i 6), a limit block (5 i 7) and a fixing lug (5 i 8), the limit track (5 i 2) is coaxially arranged at the top end of the inner part of the suspension box (5 i 1), the two-shaft motor (5 i 4) is coaxially arranged at the middle position of the inner part of the suspension box (5 i 1), the screw rod nut (5 i 3) is coaxially arranged on working shafts at two ends of the two-shaft motor (5 i 4), the screw nut (5 i 3) is sleeved on the 5i 5), the limit block (5 i 7) is arranged at the top end of the screw rod nut (5 i 3), the screw rod nut (5 i 3) is in sliding fit with the limit track (5 i 2), and the screw rod nut (965 i 6) is arranged at the bottom end of the suspension claw (3), the fixing lugs (5 i 8) are arranged at two ends of the top of the suspension box (5 i 1), and the first steel wire rope (5 e) is fixedly connected with the suspension box (5 i 1) through the fixing lugs (5 i 8); the second suspension device (5 j) has the same structure as the first suspension device (5 i).
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| CN201911343259.5A CN110983986B (en) | 2019-12-24 | 2019-12-24 | Temporary bridge laying machine |
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| CN201911343259.5A CN110983986B (en) | 2019-12-24 | 2019-12-24 | Temporary bridge laying machine |
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| CN201058789Y (en) * | 2007-04-29 | 2008-05-14 | 郑州大方桥梁机械有限公司 | Wheel-track type girder gantry crane |
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