CN210103322U - Self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine - Google Patents
Self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine Download PDFInfo
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- CN210103322U CN210103322U CN201920584925.3U CN201920584925U CN210103322U CN 210103322 U CN210103322 U CN 210103322U CN 201920584925 U CN201920584925 U CN 201920584925U CN 210103322 U CN210103322 U CN 210103322U
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Abstract
The utility model discloses a self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine, which comprises a truss and a driving mechanism arranged on the truss, wherein the front end of the truss is provided with a front guiding device, and the front guiding device is connected with the truss through a detachable pin shaft; hydraulic cylinders are vertically arranged at the bottoms of the upright columns at four corners of the truss, and a retractable or lowering supporting deviation correcting crossbeam is arranged at the bottom of the truss; the truss top is equipped with the loop wheel machine coaster, loop wheel machine coaster middle part sets up the hoist engine, the hoist engine passes through wire rope and installs in the assembly pulley at loop wheel machine coaster both ends and install in the assembly pulley at the truss both ends and be connected, the horizontal level in loop wheel machine coaster top sets up the hanging beam, install the tight adjusting screw that rises on the hanging beam, the tight adjusting screw bottom that rises is connected and is used for lifting by crane prefabricated utility tunnel's hoist cable, the utility model discloses a loop wheel machine can reduce construction cost, improves work efficiency, potential safety hazard, assurance construction quality in the reduction construction.
Description
Technical Field
The utility model relates to a prefabricated utility tunnel in city underground lays equipment, in particular to from driving prefabricated utility tunnel in city underground lays hoisting machine.
Background
At present, many cities in China begin to popularize and build underground comprehensive pipe galleries, and higher-quality and safer services are provided for city construction. Because the technological starting of china is late, still there are various problems in the construction of underground pipe gallery, wherein the most common just with pipe gallery horizontal migration, because the pipe gallery volume during the construction is big, can hang into the gallery through the crane under the open cut state, but still need with the purpose of pipe gallery horizontal migration in order to reach with the contact of anterior segment pipe gallery with anterior segment pipe gallery butt joint.
The prior art adopts the mode of artifical adjustment, guarantees the piping lane position through crane and artificial construction, and this kind of mode mounting process is loaded down with trivial details, and the construction position span is big, if with the piping lane remove to target in place, both consuming time and wasting power, the operating cost is high, again can't the accurate piping lane position of guaranteeing, the crane still has the potential safety hazard when lifting by crane with the adjustment position simultaneously, and the piping lane collides easily each other and influences construction quality.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a prefabricated utility tunnel of self-driven city underground lays hoisting machine to reach from taking actuating mechanism to realize independent walking, reduce construction cost, improve work efficiency, reduce potential safety hazard in the construction, guarantee construction quality's purpose.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a self-driven type urban underground prefabricated comprehensive pipe gallery laying and hoisting machine comprises a truss and a driving mechanism arranged on the truss, wherein a front guide device is arranged at the front end of the truss, and the front guide device is connected with the truss through a detachable pin shaft; hydraulic cylinders are vertically arranged at the bottoms of the upright columns at four corners of the truss, and a retractable or lowering supporting deviation correcting crossbeam is arranged at the bottom of the truss; the top of the truss is provided with a crane tackle, the middle of the crane tackle is provided with a winch, the winch is connected with pulley blocks arranged at two ends of the crane tackle and the pulley blocks arranged at two ends of the truss through a steel wire rope, the top of the crane tackle is horizontally provided with a hanging beam, a tensioning adjusting screw is arranged on the hanging beam, and the bottom of the tensioning adjusting screw is connected with a sling for hoisting a prefabricated comprehensive pipe gallery.
In the above scheme, the driving mechanism comprises a cycloidal pin gear speed reducer arranged at the tail end of the truss, driving wheels and driven wheels, wherein the driving wheels and the driven wheels are driven by the cycloidal pin gear speed reducer and are arranged on two sides of the truss, the driving wheels on two sides of the truss are connected through a first driving shaft, the driven wheels on two sides of the truss are connected through a second driving shaft, the first driving shaft and the second driving shaft are connected through a chain wheel, the cycloidal pin gear speed reducer is connected with the first driving shaft through a chain wheel, and the driving wheels and the driven wheels.
In the above scheme, the front guiding device comprises a front guide frame and front guide row wheels arranged at the bottom of the front guide frame, a stay bar is connected between the front end of the front guide frame and the top of the truss, the stay bar is connected with the truss through a detachable pin shaft, and the tail end of the front guide frame is hinged with the bottom of the truss.
In the above scheme, the two sets of the hanging beams are respectively arranged at the front end and the rear end of the crane tackle, each set of the hanging beams comprises two hanging beams, the two ends of each hanging beam are provided with the strip-shaped grooves, the tensioning adjusting screw rods are arranged in the strip-shaped grooves, and the adjusting handles are arranged above the tensioning adjusting screw rods.
In the above scheme, support and set up two around the crossbeam of rectifying, support and rectify the crossbeam top fluting and vertically set up the round steel along the crossbeam, around having the lifting rope to be connected with truss bottom fixed beam on the round steel, support and rectify crossbeam bottom both sides and set up the pull ring respectively, the pull ring passes through the stay cord and is connected with the pulley and the stay cord spool of installing on the truss, pulley and stay cord spool are located the both sides that support the crossbeam of rectifying respectively, set up the crank on the stay cord spool, the truss bottom still sets up the drag hook that is used for the fixed stay crossbeam of rectifying.
A construction method of a self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine comprises the following steps:
(1) hoisting the prefabricated comprehensive pipe galleries into the dug gallery in sequence by using the existing crane, splicing 2-3 prefabricated comprehensive pipe galleries at the front end, and then performing hydraulic expansion and pulling on steel strands among the prefabricated comprehensive pipe galleries to realize seamless butt joint among the prefabricated comprehensive pipe galleries;
(2) putting down the front guide device, and opening the truss to the installed prefabricated comprehensive pipe gallery by using a driving mechanism, so that the front end of the truss falls on the top of the prefabricated comprehensive pipe gallery to be assembled, and at least one prefabricated comprehensive pipe gallery to be assembled is reserved at the bottom of the truss;
(3) the position of a crane tackle is adjusted through a winch, a sling is hooked on a lifting hook at the top of a prefabricated comprehensive pipe gallery at the bottom of a truss, a hydraulic cylinder is started, the whole truss is jacked up, and the prefabricated comprehensive pipe gallery is lifted to be separated from the ground;
(4) at the moment, the supporting deviation-rectifying cross beam is lowered, the weight of the truss falls on the supporting deviation-rectifying cross beam, the position of a crane tackle is adjusted to be spliced with the installed prefabricated comprehensive pipe gallery, the prefabricated comprehensive pipe gallery is lowered, then the sling is separated from the lifting hook, and the steel strand between the prefabricated comprehensive pipe galleries is subjected to hydraulic expansion and pulling to realize seamless butt joint;
(5) after the prefabricated comprehensive pipe gallery below the truss is hoisted, the supporting deviation correcting crossbeam is retracted, the hydraulic cylinder falls back, the truss and the front guide device are driven by the driving mechanism to move forwards, after the prefabricated comprehensive pipe gallery reaches the position, the prefabricated comprehensive pipe gallery below the truss is hoisted according to the same method, the prefabricated comprehensive pipe gallery and the installed prefabricated comprehensive pipe gallery are in seamless butt joint, after all the prefabricated comprehensive pipe gallery are installed, the front guide device is lifted, and the truss is withdrawn.
In the above scheme, when the difference exists between the placing angles of the truss and the prefabricated comprehensive pipe gallery, the position of the sling is adjusted by adjusting the position of the tensioning adjusting screw rod on the hanging beam.
In the above scheme, after the hoist cable hooks prefabricated utility tunnel, make the hoist cable taut through the adjustment tight adjusting screw that rises, prevent that the hoist cable from breaking away from prefabricated utility tunnel.
Among the above-mentioned scheme, when the truss formed great skew position with prefabricated utility tunnel, adjust the position of hoist cable through adjusting the truss in the position that supports on rectifying the crossbeam.
Through the technical scheme, the utility model provides a from driving formula city prefabricated utility tunnel hoisting machine of laying has following beneficial effect:
1. the hoisting machine is provided with a driving mechanism on a truss, independent walking is realized through the cycloidal pin gear speed reducer, the driving wheel and the driven wheel, external driving force is not required, the equipment volume is optimized, the occupied space is small, the driving force is large, and the walking is convenient;
2. the front guide row wheels are utilized to move forwards, so that the support legs of the truss can be prevented from falling into gaps between pipe galleries, the construction process is not influenced even if one or two front guide row wheels fall into the gaps, meanwhile, the front guide device is connected with the truss through the detachable pin shaft, the front guide device can be folded upwards after the front guide device is used, the size of equipment is further reduced, and the walking is flexible;
3. hydraulic cylinders are vertically arranged at the bottoms of the upright columns at four corners of the truss, and the whole truss is jacked up by using the hydraulic cylinders in the process of hoisting the prefabricated comprehensive pipe gallery, so that the purpose of hoisting the prefabricated comprehensive pipe gallery off the ground is achieved, the design of a hoisting device at the top of a crane tackle can be saved, the weight can be more intensified, and the construction efficiency is improved;
4. the bottom of the truss is provided with a retractable or lowerable support deviation correcting crossbeam, and the support deviation correcting crossbeam is arranged, so that the weight of the truss falls on the support deviation correcting crossbeam in the process of moving the prefabricated comprehensive pipe gallery, and the pressure on a bottom hydraulic cylinder is reduced; meanwhile, the top of the supporting deviation-rectifying cross beam is in contact with the truss through round steel and is in point contact, and when the truss and the prefabricated comprehensive pipe gallery form a large deviation position, the position of the truss on the supporting deviation-rectifying cross beam can be adjusted through external bridge steel, so that the position of a sling is adjusted;
5. the middle part of the crane tackle is provided with the winch, the winch is connected with the pulley blocks arranged at the two ends of the crane tackle and the pulley blocks arranged at the two ends of the truss through the steel wire rope, so that the crane tackle can move back and forth on the top of the truss, the working speed of the winch can be reduced by adopting the form of the pulley blocks, larger driving force can be obtained, and the crane tackle can move more flexibly;
5. the top of a crane tackle is transversely and horizontally provided with a hanging beam, a tensioning adjusting screw is mounted on the hanging beam, the bottom of the tensioning adjusting screw is connected with a sling for lifting the prefabricated comprehensive pipe gallery, strip-shaped grooves are formed in two ends of the hanging beam, the tensioning adjusting screw is arranged in the strip-shaped grooves, and when the arrangement angles of the truss and the prefabricated comprehensive pipe gallery are different, the position of the sling is adjusted by adjusting the position of the tensioning adjusting screw on the hanging beam; after the sling hooks the prefabricated comprehensive pipe gallery, the sling is tensioned by adjusting the tensioning adjusting screw rod, so that the sling is prevented from being separated from the prefabricated comprehensive pipe gallery, large-amplitude adjustment and small-amplitude fine adjustment can be realized simultaneously, the correct position can be quickly reached, the operation is simple, convenient and quick, and the application prospect is good;
6. the driving wheel and the driven wheel are double wheels arranged side by side, and the double-wheel driving can increase the contact area between the driving wheel and the pipe gallery, increase the friction force and improve the reliability of the equipment;
7. the hand crank is used for realizing the downward placement and the lifting of the supporting deviation correcting beam, so that the operation safety is improved, and the labor risk is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view of a construction process of a self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine disclosed by the embodiment of the utility model;
fig. 2 is a schematic structural view of a self-driving type city underground prefabricated comprehensive pipe gallery laying and hoisting machine with a folded front guiding device disclosed by the embodiment of the utility model;
fig. 3 is a top view of the self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine disclosed by the embodiment of the utility model;
fig. 4 is a schematic view of a driving mechanism disclosed in an embodiment of the present invention;
fig. 5 is a schematic structural view of a supporting deviation rectifying beam part disclosed in the embodiment of the present invention.
In the figure, 1, a truss; 2. a cycloidal-pin gear speed reducer; 3. a drive wheel; 4. a driven wheel; 5. a first driving shaft; 6. a second driving shaft; 7. a sprocket; 8. a pin shaft; 9. a front guide frame; 10. a front guide row wheel; 11. a stay bar; 12. a hydraulic cylinder; 13. a hydraulic station; 14. a distribution box; 15. supporting a deviation correcting crossbeam; 16. round steel; 17. a lifting rope; 18. a fixed beam; 19. a pull ring; 20. pulling a rope; 21. a pulley; 22. a pull cord reel; 23. a hand crank; 24. pulling a hook; 25. a crane block; 26. a winch; 27. a wire rope; 28. a pulley block; 29. a hanging beam; 30. tensioning an adjusting screw; 31. a sling; 32. a strip-shaped groove; 33. adjusting the handle; 34. an auxiliary wheel; 35. an electric generator.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model provides a hoist and mount machine is laid to prefabricated utility tunnel in self-driven city underground, this hoist and mount machine construction mode is novel, and is with low costs, and the concatenation is accurate, and the security is high, and the concatenation quality is reliable.
The self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine shown in figure 1 comprises a truss 1 and a driving mechanism arranged on the truss 1, wherein the driving mechanism comprises a cycloidal pin gear speed reducer 2 arranged at the tail end of the truss 1, a driving wheel 3 and a driven wheel 4 which are driven by the cycloidal pin gear speed reducer 2 and arranged at two sides of the truss 1, auxiliary wheels 34 can be arranged at the front end and the middle part of the truss, as shown in fig. 4, the driving wheels 3 on the two sides of the truss 1 are connected through a first driving shaft 5, the driven wheels 4 on the two sides of the truss 1 are connected through a second driving shaft 6, the first driving shaft 5 and the second driving shaft 6 are connected through a chain wheel 7, the cycloidal pin gear speed reducer 2 is connected with the first driving shaft through the chain wheel 7, the driving wheels 3 and the driven wheels 4 are double wheels arranged side by side, the contact area of the driving wheels 3 and a pipe gallery can be increased through double-wheel driving, friction force is increased, and reliability of equipment is improved.
The front end of the truss 1 is provided with a front guiding device, and the front guiding device is connected with the truss 1 through a detachable pin shaft 8; the front guide device comprises a front guide frame 9 and a front guide row wheel 10 arranged at the bottom of the front guide frame 9, a stay bar 11 is connected between the front end of the front guide frame 9 and the top of the truss 1, the stay bar 11 is connected with the truss 1 through a detachable pin shaft 8, and the tail end of the front guide frame 9 is hinged with the bottom of the truss 1. As shown in fig. 2, after the construction is completed, the pin 8 can be removed, the front guide frame 9 is folded upwards, and the stay bar 11 is fixed on the top of the truss 1 and locked.
The vertical pneumatic cylinder 12 that sets up in stand bottom at four corners of truss 1, pneumatic cylinder 12 with set up hydraulic pressure station 13 and the block terminal 14 on truss 1 and be connected, the block terminal 14 is connected with the generator 35 of truss 1 front end, realizes the fuel feeding and the power supply of pneumatic cylinder 12. This hoisting machine realizes the power supply in the equipment through the generator 35 of taking certainly, and generator 35 passes through block terminal 14 and is connected with hoist engine 26. The bottom of the truss 1 is provided with a limit sensor, and when the truss 1 is jacked up to a certain height, the limit sensor can send a signal to the hydraulic station 13 to stop oil supply. Hydraulic pressure station 13 still provides hydraulic pressure for the steel strand wires between the prefabricated utility tunnel after the concatenation rises simultaneously, and the switching valve on the accessible fuel feeding line realizes. The switch box 14 is provided with a signal indicator.
The bottom of truss 1 sets up support beam 15 of rectifying that can pack up or transfer, and the support beam 15 of rectifying sets up two around, as shown in fig. 5, supports 15 tops of rectifying and fluting and vertically sets up round steel 16 along the crossbeam, and round steel 16 is gone up around having lifting rope 17 to be connected with truss 1 bottom fixed beam 18, and lifting rope 17 passes the groove of opening and is connected with fixed beam 18. Support 15 bottom both sides of rectifying crossbeam and set up pull ring 19 respectively, pull ring 19 is connected with pulley 21 and stay cord reel 22 installed on truss 1 through stay cord 20, and pulley 21 and stay cord reel 22 are located the both sides that support rectifying crossbeam 15 respectively, set up crank 23 on the stay cord reel 22, and through rotating crank 23, stay cord 20 can be convoluteed on stay cord reel 22 and will support rectifying crossbeam 15 and pull up or transfer. The bottom of the truss 1 is also provided with a draw hook 24 for fixing and supporting the deviation rectifying beam 15, and when the supporting deviation rectifying beam 15 is pulled up, the supporting deviation rectifying beam 15 is fixed through the draw hook 24 to prevent falling. When the truss 1 falls on the supporting deviation correcting crossbeam 15 and the truss 1 and the prefabricated comprehensive pipe gallery form a large deviation position, the position of the truss 1 on the supporting deviation correcting crossbeam 15 can be conveniently adjusted to adjust the position of a sling because the truss 1 and the supporting deviation correcting crossbeam 15 are contacted through round steel 16. Two groups of pull ropes 20 and pulleys 21 are arranged on the supporting deviation correcting crossbeam 15, and two groups of pull ropes 20 can be simultaneously driven by one pull rope reel 22 to pull up the supporting deviation correcting crossbeam 15.
A crane block 25 is arranged at the top of the truss 1, a hoist 26 is arranged in the middle of the crane block 25, as shown in fig. 3, the hoist 26 is connected with pulley blocks 28 arranged at two ends of the crane block 25 and the pulley blocks 28 arranged at two ends of the truss 1 through a steel wire rope 27, and two ends of the steel wire rope 27 are fixed on the pulley blocks 28 at two ends of the crane block 25. The top of the crane tackle 25 is transversely and horizontally provided with a hanging beam 29, two ends of the hanging beam 29 extend out of the truss 1, tensioning adjusting screws 30 are installed on the positions, and the bottoms of the tensioning adjusting screws 30 are connected with slings 31 for hoisting the prefabricated comprehensive pipe gallery.
In this embodiment, the two sets of hanging beams 29 are respectively located at the front end and the rear end of the crane trolley 25, each set of hanging beams 29 includes two hanging beams, the strip-shaped grooves 32 are formed at the two ends of the hanging beams 29, the tensioning adjusting screw 30 is arranged in the strip-shaped grooves 32 and can move in the strip-shaped grooves 32, and when the difference exists between the placing angles of the truss 1 and the prefabricated comprehensive pipe gallery, the position of the sling 31 is adjusted by adjusting the position of the tensioning adjusting screw 30 in the strip-shaped grooves 32. An adjusting handle 33 is installed above the tensioning adjusting screw 30, and after the sling 31 hooks the prefabricated comprehensive pipe gallery, the sling 31 is tensioned by rotating the adjusting handle 33, so that the sling 31 is prevented from being separated from the prefabricated comprehensive pipe gallery.
A construction method of a self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine comprises the following steps:
(1) hoisting the prefabricated comprehensive pipe galleries into the dug gallery in sequence by using the existing crane, splicing 2-3 prefabricated comprehensive pipe galleries at the front end, and then performing hydraulic expansion and pulling on steel strands among the prefabricated comprehensive pipe galleries to realize seamless butt joint among the prefabricated comprehensive pipe galleries;
(2) putting down the front guide device, and opening the truss 1 to the installed prefabricated comprehensive pipe gallery by using a driving mechanism, so that the front end of the truss 1 falls on the top of the prefabricated comprehensive pipe gallery to be assembled, and at least one prefabricated comprehensive pipe gallery to be assembled is reserved at the bottom of the truss 1;
(3) the position of a crane tackle 25 is adjusted through a winch 26 and a pulley block 28, a sling 31 is hooked on a lifting hook at the top of the prefabricated comprehensive pipe gallery at the bottom of the truss 1, a hydraulic cylinder 12 is started, the whole truss 1 is jacked up, and therefore the prefabricated comprehensive pipe gallery is lifted to be separated from the ground;
(4) at the moment, the hand crank 23 is rotated, the supporting deviation-rectifying cross beam 15 is lowered, the weight of the truss 1 falls on the supporting deviation-rectifying cross beam 15, the position of the crane tackle 25 is adjusted to be spliced with the installed prefabricated comprehensive pipe gallery, the prefabricated comprehensive pipe gallery is lowered to be in butt joint with the installed prefabricated comprehensive pipe gallery, then the sling 31 is separated from the lifting hook, and the steel strand between the prefabricated comprehensive pipe galleries is hydraulically expanded and pulled, so that seamless butt joint is realized;
(5) after the prefabricated comprehensive pipe gallery below the truss 1 is hoisted, the supporting deviation correcting crossbeam 15 is retracted, the drag hook 24 is used for hoisting, the hydraulic cylinder 12 falls back, the truss 1 descends, the driving mechanism is used for driving the truss 1 and the front guide device to move forwards, after the position is reached, the prefabricated comprehensive pipe gallery below the truss 1 is hoisted according to the same method, the prefabricated comprehensive pipe gallery is in seamless butt joint with the installed prefabricated comprehensive pipe gallery, after all the prefabricated comprehensive pipe gallery are installed, the front guide device is lifted, and the truss 1 is removed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine is characterized by comprising a truss and a driving mechanism arranged on the truss, wherein the front end of the truss is provided with a front guide device, and the front guide device is connected with the truss through a detachable pin shaft; hydraulic cylinders are vertically arranged at the bottoms of the upright columns at four corners of the truss, and a retractable or lowering supporting deviation correcting crossbeam is arranged at the bottom of the truss; the top of the truss is provided with a crane tackle, the middle of the crane tackle is provided with a winch, the winch is connected with pulley blocks arranged at two ends of the crane tackle and the pulley blocks arranged at two ends of the truss through a steel wire rope, the top of the crane tackle is horizontally provided with a hanging beam, a tensioning adjusting screw is arranged on the hanging beam, and the bottom of the tensioning adjusting screw is connected with a sling for hoisting a prefabricated comprehensive pipe gallery.
2. The self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine according to claim 1, wherein the driving mechanism comprises a cycloidal pin gear reducer arranged at the tail end of the truss, driving wheels and driven wheels, the driving wheels and the driven wheels are driven by the cycloidal pin gear reducer and arranged on two sides of the truss, the driving wheels on two sides of the truss are connected through a first driving shaft, the driven wheels on two sides of the truss are connected through a second driving shaft, the first driving shaft and the second driving shaft are connected through a chain wheel, the cycloidal pin gear reducer is connected with the first driving shaft through a chain wheel, and the driving wheels and the driven wheels are double wheels arranged side by side.
3. The self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine according to claim 1, wherein the front guide device comprises a front guide frame and front guide row wheels arranged at the bottom of the front guide frame, a stay bar is connected between the front end of the front guide frame and the top of a truss, the stay bar is connected with the truss through a detachable pin shaft, and the tail end of the front guide frame is hinged with the bottom of the truss.
4. The self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine according to claim 1, wherein the two sets of the hanging beams are respectively arranged at the front end and the rear end of a pulley of the hanging machine, each set of the hanging beams comprises two hanging beams, strip-shaped grooves are formed in the two ends of each hanging beam, the tensioning adjusting screw rods are arranged in the strip-shaped grooves, and adjusting handles are installed above the tensioning adjusting screw rods.
5. The self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine according to claim 1, characterized in that, the support is rectified and is set up two around the crossbeam, support and rectify the crossbeam top fluting and vertically set up the round steel along the crossbeam, it is connected with truss bottom fixed beam to wind the lifting rope on the round steel, support and rectify crossbeam bottom both sides and set up the pull ring respectively, the pull ring passes through the stay cord and is connected with pulley and the stay cord spool of installing on the truss, pulley and stay cord spool are located the both sides of supporting the crossbeam of rectifying respectively, set up hand crank on the stay cord spool, the truss bottom still sets up the drag hook that is used for the fixed stay crossbeam of rectifying.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920584925.3U CN210103322U (en) | 2019-04-26 | 2019-04-26 | Self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine |
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| CN201920584925.3U CN210103322U (en) | 2019-04-26 | 2019-04-26 | Self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002343A (en) * | 2019-04-26 | 2019-07-12 | 青岛长永机械工程有限公司 | A kind of prefabricated pipe gallery of self-driving type Urban Underground is laid with hoisting machine and construction method |
| CN111619826A (en) * | 2020-05-07 | 2020-09-04 | 北京空间飞行器总体设计部 | Foldable truss structure for on-orbit assembly |
-
2019
- 2019-04-26 CN CN201920584925.3U patent/CN210103322U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002343A (en) * | 2019-04-26 | 2019-07-12 | 青岛长永机械工程有限公司 | A kind of prefabricated pipe gallery of self-driving type Urban Underground is laid with hoisting machine and construction method |
| CN110002343B (en) * | 2019-04-26 | 2024-05-10 | 青岛长永机械工程有限公司 | Self-driven urban underground prefabricated comprehensive pipe gallery laying hoisting machine and construction method |
| CN111619826A (en) * | 2020-05-07 | 2020-09-04 | 北京空间飞行器总体设计部 | Foldable truss structure for on-orbit assembly |
| CN111619826B (en) * | 2020-05-07 | 2023-03-21 | 北京空间飞行器总体设计部 | Foldable truss structure for on-orbit assembly |
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