CN209990499U - Special trolley for transporting and installing large-diameter pressure pipeline in narrow tunnel - Google Patents
Special trolley for transporting and installing large-diameter pressure pipeline in narrow tunnel Download PDFInfo
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- CN209990499U CN209990499U CN201920698220.4U CN201920698220U CN209990499U CN 209990499 U CN209990499 U CN 209990499U CN 201920698220 U CN201920698220 U CN 201920698220U CN 209990499 U CN209990499 U CN 209990499U
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Abstract
The utility model discloses a belong to transportation equipment technical field, specifically be a special platform truck of major diameter pipeline under pressure transportation installation in narrow tunnel, including body frame, crossbearer, subframe, main roof-rack, vice roof-rack and fagging, the right side wall of crossbearer passes through bolt fixed connection the subframe, the body frame with the top of subframe passes through bolt fixed connection the main roof-rack with vice roof-rack, this kind of special platform truck of major diameter pipeline under pressure transportation installation in narrow tunnel, through the combined application of accessory, during the use each component carries out assembly forming through bolt or round pin axle, utilizes the track of laying in the tunnel to move, realizes the transportation of steel pipe, and the design of assembled will effectively solve the construction degree of difficulty that transport installation space is narrow and small in the tunnel, arranges four chain reversals, cooperates the landing leg that has high strength landing leg wheel, through chain reversals and adjustment landing leg, not only meets the transportation of the steel pipe in the hole, but also realizes the function of quickly adjusting the steel pipe in place after the steel pipe is transported in place.
Description
Technical Field
The utility model relates to a transportation equipment technical field specifically is a special platform truck of major diameter pipeline under pressure transportation installation in narrow tunnel.
Background
In engineering construction, the steel pipes are transported to the site according to the installation sequence determined by the installation scheme, and the transportation is carried according to the names and the numbers of the pipe joints marked by the paint during manufacture and the installation sequence.
Wherein the installation of penstock mainly is located the shield structure construction tunnel, treats that the shield structure machine construction accomplishes the tunnel and link up, and concrete segment lining has been assembled in the tunnel to and the shield structure construction equipment demolishs the back, utilize 45t door machines of working well department to transfer the steel pipe installation unit to the tunnel portal, recycle steel pipe transportation installation frock platform truck and carry out the transportation installation in the hole.
The transportation operation space in the hole of current pressure steel pipe is narrow and small, and the transportation installation degree of difficulty is great, and conventional platform truck transportation or portal frame electric block transportation can't realize, and the degree of difficulty of taking one's place is also great to quick adjustment installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special platform truck of major diameter pipeline under pressure transportation installation in narrow tunnel to the hole transportation operation space of the current pressure steel pipe that provides in solving above-mentioned background art is narrow and small, and the transportation installation degree of difficulty is great, and the transportation of conventional platform truck or the transportation of portal frame electric block can't realize, installs the also great problem of the degree of difficulty of taking one's place to the quick adjustment.
In order to achieve the above object, the utility model provides a following technical scheme: a trolley special for transporting and installing large-diameter pressure pipelines in a narrow tunnel comprises a main frame, a cross frame, an auxiliary frame, a main top frame, an auxiliary top frame and inclined supporting plates, wherein the right side wall of the main frame is fixedly connected with the cross frame through a bolt, the right side wall of the cross frame is fixedly connected with the auxiliary frame through a bolt, the main frame and the top of the auxiliary frame are fixedly connected with the main top frame and the auxiliary top frame through bolts, the tops of the main top frame and the auxiliary top frame are fixedly connected with a limiting baffle plate and an arc plate through bolts, the bottoms of the main top frame and the auxiliary top frame are fixedly connected with the inclined supporting plates through bolts, the bottoms of the inclined supporting plates are respectively fixedly connected with the main frame and the auxiliary frame through bolts, the bottom of the main frame is fixedly connected with a guide wheel through a bolt, the right side wall of the auxiliary frame is fixedly connected with an extending plate through a bolt, and the right side wall of the extending plate is spliced with a connecting shaft through a pin shaft, the fly leaf of connecting axle passes through bolt fixedly connected with landing leg, the left side wall of landing leg passes through bolt fixedly connected with drag chain, the left side wall of drag chain with the right side wall buckle of crossbearer connects, screw fixedly connected with landing leg wheel is passed through to the bottom of landing leg, main roof-rack with the bottom of vice roof-rack is passed through bolt fixedly connected with joint block, bolt fixedly connected with back chain is passed through to the bottom of joint block.
Preferably, the bottom of the arc plate is welded with support columns, and the number of the arc plates is three.
Preferably, the main top frame and the sub top frame have the same length, and the extension plate is horizontal to the main top frame and the sub top frame.
Preferably, the leg wheel is made of a high-strength rubber plate.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of special platform truck of major diameter pipeline under pressure transportation installation in narrow tunnel, through the combination application of accessory, during the use with each component through bolt or round pin axle assembly shaping, the track of laying in the utilization tunnel removes, realize the transportation of steel pipe, and the design of assembled will effectively solve the narrow and small construction degree of difficulty of transportation installation space in the hole, four chain blocks have been arranged, the cooperation has the landing leg of high strength landing leg wheel, through chain block and adjustment landing leg, not only satisfy the transportation of steel pipe in the hole, the function of taking one's place has also been realized to the quick adjustment after the steel pipe transportation targets in place.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic side view of the present invention.
In the figure: the main frame 100, the guide wheels 110, the cross frame 120, the sub frame 200, the extension plates 210, the connecting shafts 220, the 230 supporting legs, the 240 traction chain, the supporting leg wheels 250, the main top frame 300, the sub top frame 310, the limit baffle 320, the arc plates 330, the connecting blocks 340, the inverted chain 350 and the inclined supporting plate 400.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a special trolley for transporting and installing large-diameter pressure pipelines in narrow tunnels, which can facilitate the transportation and positioning of the pipelines by the combined application of accessories, and please refer to fig. 1-4, comprising a main frame 100, a cross frame 120, an auxiliary frame 200, a main top frame 300, an auxiliary top frame 310 and inclined supporting plates 400;
referring to fig. 1 again, the bottom of the main frame 100 is fixedly connected with a guide wheel 110 through a bolt, specifically, the bottom of the main frame 100 is fixedly connected with the guide wheel 110 through a bolt, and the right side wall of the main frame 100 is fixedly connected with a cross frame 120 through a bolt;
referring to fig. 1-2 again, the left side wall of the auxiliary frame 200 is fixedly mounted to the right side wall of the main frame 100, specifically, the right side wall of the cross frame 120 is fixedly connected to the auxiliary frame 200 through a bolt, the right side wall of the auxiliary frame 200 is fixedly connected to the extension plate 210 through a bolt, the right side wall of the extension plate 210 is inserted into the connection shaft 220 through a pin shaft, the movable plate of the connection shaft 220 is fixedly connected to the support leg 230 through a bolt, the left side wall of the support leg 230 is fixedly connected to the drag chain 240 through a bolt, the left side wall of the drag chain 240 is fastened to the right side wall of the cross frame 120, and the bottom of the support leg 230 is fixedly connected to the support leg wheel 250 through;
referring to fig. 1 again, the bottoms of the main top frame 300 and the auxiliary top frame 310 are fixedly mounted with the top of the auxiliary frame 200, specifically, the tops of the main frame 100 and the auxiliary frame 200 are fixedly connected with the main top frame 300 and the auxiliary top frame 310 through bolts, the tops of the main top frame 300 and the auxiliary top frame 310 are fixedly connected with a limit baffle 320 and an arc plate 330 through bolts, the bottoms of the main top frame 300 and the auxiliary top frame 310 are fixedly connected with a connecting block 340 through bolts, and the bottom of the connecting block 340 is fixedly connected with a chain block 350 through bolts;
referring to fig. 1-2 again, the top of the inclined strut plate 400 is fixedly mounted to the bottoms of the main top frame 300 and the auxiliary top frame 310, specifically, the bottoms of the main top frame 300 and the auxiliary top frame 310 are fixedly connected to the inclined strut plate 400 through bolts, and the bottoms of the inclined strut plate 400 are fixedly connected to the main frame 100 and the auxiliary frame 200 through bolts;
when the device is used specifically, firstly, the steel pipe is hoisted to the bottom of the well by the portal crane, then the portal crane is used for assembling the special trolley, the trolley is hoisted to the track after being assembled and molded, then the steel pipe installation unit is hoisted to the assembled and molded special transport trolley, the slow and stable hoisting process is ensured, the steel pipe is prevented from colliding with the trolley, the trolley is stressed instantly and deforms, before the steel pipe is transported in the hole, an annular inspection tool which is simple and convenient to manufacture, light and portable and has the same size with the outer diameter of the steel pipe is firstly used for carrying out all-line inspection on the steel pipe installation tunnel, whether the blocking phenomenon exists or not is judged, the blocking section is processed in advance, the problem that the steel pipe is not blocked during the transportation in the hole is ensured, after the steel pipe is hoisted to the trolley, the trolley limiting baffle plate 320 is used for fixing and blocking the steel pipe installation unit, the trolley or the steel pipe is prevented from being damaged due to the slippage of, the trolley is pushed to the installation working face in the steel pipe hole by using the thrust of the locomotive, the locomotive ensures uniform and stable advance in the steel pipe transportation process, sudden acceleration or sudden deceleration is prevented, personnel are arranged to observe and guide before and after the trolley moves, the safety and the reliability of transportation in the hole are ensured, after a steel pipe installation unit is transported to an installation position, a chain block 350 on the transportation installation trolley is used for integrally lifting the steel pipe upwards for a certain height, the bottom of the steel pipe is firmly supported by a split type hydraulic jack, then the chain block 350 is retracted to ensure that no interaction force exists between the trolley and the steel pipe, then the trolley is automatically lifted by two guide wheels 110 at the installation position, the front end installation and adjustment supporting leg 230 is put down and firmly fixed, at the moment, the front end installation and adjustment supporting leg 230 is ensured to extend into the steel pipe with the installed at the front end, and the supporting leg wheel 250 at the bottom of the installation and adjustment supporting leg 230 is in supporting contact with the bottom of, then withdrawing the steel pipe bottom split type hydraulic jack and withdrawing, placing the steel pipe installation unit on the transportation trolley again, wherein at the moment, two supporting guide wheels 110 at the rear end of the trolley and the front end installation adjusting supporting leg wheel 250 are stressed, then slowly pushing the trolley to the installation position by using the locomotive again to be in butt joint with the pipe orifice of the installed steel pipe, if the two pipe orifices are in butt joint with a wrong platform, finely adjusting by using a chain block 350 on the trolley again, adjusting the wrong edge amount of the circular seam by using a movable ejector rod, a code plate, an inclined iron and the like in a matching manner, adjusting the circular seam gap by using the jack or a chain block simultaneously, and symmetrically performing circular seam point-fixing welding after the circular seam is qualified.
Referring to fig. 1 again, in order to improve the bearing capacity of the arc plate 330, specifically, the bottom of the arc plate 330 is welded with three support columns, and the number of the arc plates 330 is three.
Referring to fig. 1 again, in order to maintain the uniform stress, specifically, the lengths of the main top frame 300 and the sub top frame 310 are the same, and the extension plate 210 is maintained to be horizontal with the main top frame 300 and the sub top frame 310.
Referring to fig. 1 again, for the elasticity and mobility of the leg 230, the leg wheel 250 is made of a high-strength rubber plate.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a special platform truck of major diameter pipeline under pressure transportation installation in narrow tunnel which characterized in that: comprises a main frame (100), a cross frame (120), an auxiliary frame (200), a main top frame (300), an auxiliary top frame (310) and inclined supporting plates (400), wherein the right side wall of the main frame (100) is fixedly connected with the cross frame (120) through bolts, the right side wall of the cross frame (120) is fixedly connected with the auxiliary frame (200) through bolts, the main frame (100) and the top of the auxiliary frame (200) are fixedly connected with the main top frame (300) and the auxiliary top frame (310), the main top frame (300) and the top of the auxiliary top frame (310) are fixedly connected with a limit baffle (320) and an arc plate (330) through bolts, the main top frame (300) and the bottom of the auxiliary top frame (310) are fixedly connected with the inclined supporting plates (400) through bolts, the bottom of the inclined supporting plates (400) is fixedly connected with the main frame (100) and the auxiliary frame (200) through bolts respectively, the bottom of main frame (100) is through bolt fixedly connected with leading wheel (110), the right side wall of subframe (200) is through bolt fixedly connected with extension board (210), the right side wall of extension board (210) is pegged graft through the round pin axle and is had connecting axle (220), the fly leaf of connecting axle (220) is through bolt fixedly connected with landing leg (230), the left side wall of landing leg (230) is through bolt fixedly connected with drag chain (240), the left side wall of drag chain (240) with the right side wall buckle of crossbearer (120) is connected, screw fixedly connected with landing leg wheel (250) is passed through to the bottom of landing leg (230), main roof-rack (300) with the bottom of sub roof-rack (310) is through bolt fixedly connected with splice block (340), the bottom of splice block (340) is through bolt fixedly connected with chain block (350).
2. The special trolley for transporting and installing the large-diameter pressure pipeline in the narrow tunnel according to claim 1, wherein: the bottom welding of arc board (330) has the support column, the quantity of arc board (330) is three.
3. The special trolley for transporting and installing the large-diameter pressure pipeline in the narrow tunnel according to claim 1, wherein: the main top frame (300) and the sub top frame (310) have the same length, and the extension plate (210) is kept horizontal to the main top frame (300) and the sub top frame (310).
4. The special trolley for transporting and installing the large-diameter pressure pipeline in the narrow tunnel according to claim 1, is characterized in that: the supporting leg wheel (250) is made of a high-strength rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698220.4U CN209990499U (en) | 2019-05-16 | 2019-05-16 | Special trolley for transporting and installing large-diameter pressure pipeline in narrow tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698220.4U CN209990499U (en) | 2019-05-16 | 2019-05-16 | Special trolley for transporting and installing large-diameter pressure pipeline in narrow tunnel |
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| CN209990499U true CN209990499U (en) | 2020-01-24 |
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| CN201920698220.4U Active CN209990499U (en) | 2019-05-16 | 2019-05-16 | Special trolley for transporting and installing large-diameter pressure pipeline in narrow tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429482A (en) * | 2020-11-30 | 2021-03-02 | 中电建十一局工程有限公司 | Gate pier pre-stressed anchor cable fixed end steel base plate conveying device and steel base plate conveying method |
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2019
- 2019-05-16 CN CN201920698220.4U patent/CN209990499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429482A (en) * | 2020-11-30 | 2021-03-02 | 中电建十一局工程有限公司 | Gate pier pre-stressed anchor cable fixed end steel base plate conveying device and steel base plate conveying method |
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