CN210103322U - Self-driven urban underground prefabricated comprehensive pipe gallery laying and hoisting machine - Google Patents

Abstract

The utility model discloses a self-propelled urban underground prefabricated integrated pipe gallery laying hoisting machine. The hoisting machine comprises a truss and a driving mechanism installed on the truss. The front end of the truss is provided with a leading device, and the leading device and the truss pass through a detachable guide device. The bottom of the column at the four corners of the truss is vertically arranged with hydraulic cylinders, and the bottom of the truss is arranged with a support beam that can be retracted or lowered. The hoist is connected with the pulley blocks installed at both ends of the crane pulley and the pulley blocks installed at both ends of the truss through steel wire ropes. The top of the crane pulley is horizontally set with a horizontal and horizontal hanging beam, and a tensioning adjustment screw is installed on the hanging beam. The bottom of the adjusting screw is connected with the sling used for hoisting the prefabricated integrated pipe gallery, and the hoisting machine disclosed by the utility model can reduce the construction cost, improve the work efficiency, reduce the hidden danger in the construction and ensure the construction quality.

Description

A self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine

technical field

The utility model relates to an urban underground prefabricated comprehensive pipe gallery laying equipment, in particular to a self-propelled urban underground prefabricated comprehensive pipe gallery laying and hoisting machine.

Background technique

At present, many cities in my country have begun to promote the construction of underground integrated pipe corridors to provide better and safer services for urban construction. Due to the late start of technology in my country, there are still various problems in the construction of underground pipe gallery. The most common one is to move the pipe gallery horizontally. Due to the large volume of the pipe gallery during construction, it can be The pipe gallery is hoisted into the tunnel by a crane, but it is necessary to move the pipe gallery horizontally in order to connect with the front pipe gallery to achieve the purpose of contacting the front pipe gallery.

The existing technologies all use the manual adjustment method to ensure the position of the pipe gallery through cranes and manual construction. This method has a complicated installation process and a large span of the construction site. If the pipe gallery is moved in place, it is time-consuming and labor-intensive, and the operation cost is high. , and it is impossible to accurately guarantee the position of the pipe gallery. At the same time, there are hidden safety hazards when the crane is hoisting and adjusting the position. The pipe gallery is easy to collide with each other and affect the construction quality.

Utility model content

In order to solve the above technical problems, the utility model provides a self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine, so as to achieve independent walking with a self-contained driving mechanism, reduce construction costs, improve work efficiency, and reduce hidden safety hazards during construction. To ensure the quality of construction.

For achieving the above object, the technical scheme of the present utility model is as follows:

A self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine comprises a truss and a driving mechanism installed on the truss, the front end of the truss is provided with a leading device, and the leading device and the truss are connected by a detachable pin shaft; The bottom of the four corners of the truss is provided with hydraulic cylinders vertically, and the bottom of the truss is provided with a supporting beam that can be retracted or lowered; The hoist is connected with the pulley blocks installed at both ends of the crane pulley and the pulley blocks installed at both ends of the truss through steel wire ropes. The top of the crane pulley is horizontally arranged with a hanging beam, and a tensioning adjustment screw is installed on the hanging beam. The bottom of the adjustment screw is connected to the sling used to lift the prefabricated integrated pipe gallery.

In the above scheme, the drive mechanism includes a cycloidal pinwheel reducer arranged at the end of the truss, a driving wheel and a driven wheel driven by the cycloidal pinwheel reducer and arranged on both sides of the truss, between the driving wheels on both sides of the truss. Through the first connection of the drive shaft, the driven wheels on both sides of the truss are connected through the second drive shaft, the first drive shaft and the second drive shaft are connected through the sprocket, and the cycloid reducer is connected with the first drive shaft through the sprocket , the driving wheel and the driven wheel are double wheels arranged side by side.

In the above solution, the front guide device includes a front guide frame and a front guide row wheel arranged at the bottom of the front guide frame, a strut is connected between the front end of the front guide frame and the top of the truss, and the strut and the truss are connected by a detachable pin shaft. , the end of the front guide frame is hingedly connected with the bottom of the truss.

In the above scheme, two sets of the hoisting beams are arranged, which are respectively located at the front and rear ends of the hoist block, each set of hoisting beams includes two, the two ends of the suspending beams are provided with strip grooves, and the tension adjusting screws are arranged on the In the strip groove, an adjustment handle is installed above the tension adjustment screw.

In the above scheme, two support and correction beams are arranged at the front and rear, the top of the support and correction beam is slotted and a round steel is arranged along the longitudinal direction of the beam. Pulling rings are respectively provided on both sides of the bottom of the beam, and the pulling rings are connected with pulleys and pulleys installed on the truss through pulleys. A hand crank is arranged on the upper part, and the bottom of the truss is also arranged with a hook for fixing and supporting the deviation-correcting beam.

A construction method of a self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine, comprising the following steps:

(1) Use the existing crane to hoist the prefabricated comprehensive pipe gallery into the dug tunnel in turn, and splicing 2-3 prefabricated comprehensive pipe gallery at the front end, and then carry out the hydraulic expansion of the steel strand between the prefabricated comprehensive pipe gallery. Pull, realize seamless connection between prefabricated integrated pipe gallery;

(2) Put down the leading device, and use the driving mechanism to drive the truss to the installed prefabricated integrated pipe gallery, so that the front end of the truss falls on the top of the prefabricated integrated pipe gallery to be assembled, and at least one prefabricated integrated pipe gallery to be assembled is reserved at the bottom of the truss. pipe gallery;

(3) Adjust the position of the hoist block through the hoist, hook the sling to the hook on the top of the prefabricated integrated pipe gallery at the bottom of the truss, start the hydraulic cylinder, and jack up the entire truss, thereby lifting the prefabricated integrated pipe gallery off the ground;

(4) At this time, lower the support rectification beam so that the weight of the truss falls on the support rectification beam, adjust the position of the crane block to make it spliced with the installed prefabricated comprehensive pipe gallery, lower the prefabricated comprehensive pipe gallery, and then put the The sling is separated from the hook, and the steel strands between the prefabricated integrated pipe gallery are hydraulically stretched and pulled to achieve seamless connection;

(5) After the prefabricated integrated pipe gallery under the truss is hoisted, the supporting beams are put away, the hydraulic cylinder is lowered, and the driving mechanism is used to drive the truss and the leading device to move forward. After reaching the position, hoist the prefabricated truss under the same method. The integrated pipe gallery is seamlessly connected with the prefabricated integrated pipe gallery that has been installed. After all the installations are completed, lift the leading device and withdraw the truss.

In the above scheme, when there is a gap between the placement angle of the truss and the prefabricated integrated pipe gallery, the position of the sling is adjusted by adjusting the position of the tensioning adjusting screw on the hanging beam.

In the above scheme, after the sling is hooked on the prefabricated integrated pipe gallery, the sling is tightened by adjusting the tension adjustment screw to prevent the sling from being separated from the prefabricated integrated pipe gallery.

In the above scheme, when the truss and the prefabricated integrated pipe gallery form a relatively large offset position, the position of the sling is adjusted by adjusting the position of the truss on the supporting deflection rectifying beam.

Through the above technical solutions, the self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine provided by the present utility model has the following beneficial effects:

1. The hoist has its own drive mechanism on the truss, and can walk independently through the cycloidal pinwheel reducer, the driving wheel and the driven wheel, without relying on external driving force, the equipment volume is optimized, the floor space is small, and the driving force is large. easy to walk;

2. Using the front guide wheel to move forward can prevent the legs of the truss from falling into the gap between the pipe galleries. Even if one or two front guide wheels fall into the gap, the construction process will not be affected. They are connected by detachable pins, and the leading device can be folded up after use, further reducing the size of the equipment and making it flexible for walking;

3. Hydraulic cylinders are installed vertically at the bottom of the columns at the four corners of the truss. During the process of hoisting the prefabricated integrated pipe gallery, the hydraulic cylinder is used to lift the entire truss, so as to achieve the purpose of lifting the prefabricated integrated pipe gallery off the ground. It can save the design of the lifting device on the top of the crane block, make the weight more intensive and improve the construction efficiency;

4. The bottom of the truss is provided with a retractable or lower support rectification beam, and the setting of the support rectification beam can make the weight of the truss fall on the support rectification beam during the process of moving the prefabricated integrated pipe gallery, reducing the impact on the bottom hydraulic cylinder. At the same time, the top of the supporting deflection rectifying beam is in contact with the truss through the round steel, which is point contact. When the truss and the prefabricated integrated pipe gallery form a large offset position, the position of the truss on the supporting deflection rectifying beam can be adjusted through the external bridge steel, thereby Adjust the position of the sling;

5. A hoist is set in the middle of the crane block. The winch is connected to the pulley blocks installed at both ends of the crane block and the pulley blocks installed at both ends of the truss through wire ropes, so as to realize the front and rear movement of the crane block on the top of the truss. The use of pulley blocks can reduce the size of the winch. higher working speed, greater driving force, and more flexible movement of the crane block;

5. A hoisting beam is set horizontally on the top of the hoisting pulley, and a tensioning adjusting screw is installed on the hoisting beam. The bottom of the tensioning adjusting screw is connected with a sling used for hoisting the prefabricated integrated pipe gallery. The tightening adjustment screw is arranged in the strip groove. When there is a gap between the truss and the prefabricated integrated pipe gallery, the position of the sling can be adjusted by adjusting the position of the tightening adjustment screw on the hanging beam; when the sling hook After living in the prefabricated integrated pipe gallery, the sling can be tightened by adjusting the tension adjustment screw to prevent the sling from leaving the prefabricated integrated pipe gallery, which can realize large adjustment and small adjustment at the same time, can quickly reach the correct position, and the operation is simple and fast. Has a good application prospect;

6. Both the driving wheel and the driven wheel are double wheels arranged side by side. The double wheel drive 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 lowering and lifting of the support rectifying beam is realized by the hand crank, which improves the safety of operation and reduces labor risks.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art.

1 is a schematic diagram of the construction process of a self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine disclosed in an embodiment of the present utility model;

2 is a schematic structural diagram of a self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine with a leading device folded up according to an embodiment of the present utility model;

3 is a top view of a self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine disclosed in an embodiment of the present utility model;

4 is a schematic diagram of a driving mechanism disclosed in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a part of a supporting deflection rectifying beam disclosed in an embodiment of the present utility model.

In the figure, 1, truss; 2, cycloid reducer; 3, driving wheel; 4, driven wheel; 5, driving shaft one; 6, driving shaft two; 7, sprocket; 8, pin shaft; 9, Front guide frame; 10. Front guide wheel; 11. Support rod; 12. Hydraulic cylinder; 13. Hydraulic station; 14. Distribution box; 15. Supporting rectifying beam; 16. Round steel; 17. Suspension rope; ;19, pull ring; 20, pull rope; 21, pulley; 22, pull rope reel; 23, hand crank; 24, pull hook; 25, crane block; 26, winch; 27, wire rope; 28, pulley block; 29 3. Lifting beam; 30. Tensioning adjustment screw; 31. Sling; 32. Strip groove; 33. Adjusting handle; 34. Auxiliary wheel; 35. Generator.

Detailed ways

The technical solutions 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 self-propelled urban underground prefabricated integrated pipe gallery laying hoisting machine, which has novel construction mode, low cost, accurate splicing, high safety and reliable splicing quality.

As shown in Figure 1, the self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine includes a truss 1 and a driving mechanism installed on the truss 1. The driving mechanism includes a cycloidal pinwheel reducer 2 arranged at the end of the truss 1 and a The driving wheel 3 and the driven wheel 4 arranged on both sides of the truss 1 driven by the cycloidal pinwheel reducer 2, auxiliary wheels 34 can be arranged at the front end and the middle of the truss, as shown in FIG. 4, between the driving wheels 3 on both sides of the truss 1 It is connected by the drive shaft one 5, the driven wheels 4 on both sides of the truss 1 are connected by the drive shaft two 6, the drive shaft one 5 and the drive shaft two 6 are connected by the sprocket 7, and the cycloidal pinwheel reducer 2 is connected by the chain The wheel 7 is connected to the drive shaft. The drive wheel 3 and the driven wheel 4 are double wheels arranged side by side. The double wheel drive can increase the contact area between the drive wheel 3 and the pipe gallery, increase the friction force, and improve the reliability of the equipment.

The front end of the truss 1 is provided with a leading device, and the leading device and the truss 1 are connected by a detachable pin 8; A strut 11 is connected between the struts 11 and the truss 1 through a detachable pin 8 , and the end of the front guide frame 9 is hingedly connected to the bottom of the truss 1 . As shown in FIG. 2 , when the construction is completed, the pin shaft 8 can be removed, the front guide frame 9 can be folded upward, and the strut 11 can be fixed on the top of the truss 1 and locked.

Hydraulic cylinders 12 are vertically arranged at the bottom of the columns at the four corners of the truss 1. The hydraulic cylinders 12 are connected to the hydraulic station 13 and the distribution box 14 arranged on the truss 1. The distribution box 14 is connected to the generator 35 at the front end of the truss 1 to realize Oil supply and power supply of hydraulic cylinder 12 . The hoisting machine realizes power supply in the equipment through its own generator 35 , and the generator 35 is connected to the hoisting machine 26 through the distribution box 14 . A limit sensor is arranged at the bottom of the truss 1. 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. The hydraulic station 13 also provides hydraulic pressure for the tension and tension of the steel strands between the spliced prefabricated integrated pipe galleries, which can be realized through the switching valve on the oil supply pipeline. Signal indications are provided on the distribution box 14 .

The bottom of the truss 1 is provided with a retractable or lowering support and correction beam 15, and two support and correction beams 15 are arranged at the front and rear, as shown in FIG. A hanging rope 17 is wound around and connected to the fixed beam 18 at the bottom of the truss 1 , and the hanging rope 17 is connected to the fixed beam 18 through the open slot. Pulling rings 19 are respectively provided on both sides of the bottom of the supporting and correcting beam 15 . On both sides of the rope reel 22, a hand crank 23 is provided. By rotating the hand crank 23, the draw rope 20 can be wound on the rope reel 22 to pull up or lower the support and correction beam 15. The bottom of the truss 1 is also provided with a pull hook 24 for fixing the supporting deflection beam 15. When the support deflection beam 15 is pulled up, the support deflection beam 15 is fixed by the pull hook 24 to prevent it from falling. When the truss 1 falls on the support rectification beam 15, and the truss 1 and the prefabricated integrated pipe gallery form a large offset position, since the truss 1 and the support rectification beam 15 are in contact with the round steel 16, it can be easily adjusted. 15 to adjust the position of the sling. Two sets of pulling ropes 20 and pulleys 21 are arranged on the supporting and correcting beam 15 , and a rope reel 22 can simultaneously drive the two sets of pulling ropes 20 to pull up the supporting and correcting beam 15 .

The top of the truss 1 is provided with a crane pulley 25, and the middle of the crane pulley 25 is provided with a hoist 26. As shown in FIG. Connection, both ends of the wire rope 27 are fixed on the pulley blocks 28 at both ends of the crane block 25 . The top of the crane block 25 is horizontally arranged with a hoisting beam 29, and a tension adjusting screw 30 is installed on the position where the two ends of the hanging beam 29 protrude from the truss 1, and the bottom of the tension adjusting screw 30 is connected with a sling 31 for hoisting the prefabricated integrated pipe gallery. .

In this embodiment, two sets of hanging beams 29 are provided, which are respectively located at the front and rear ends of the hoist block 25. Each set of hanging beams 29 includes two. The two ends of the hanging beams 29 are provided with strip grooves 32, and the tension adjustment screw 30 is provided In the strip groove 32, it can move in the strip groove 32. When there is a gap between the placement angle of the truss 1 and the prefabricated integrated pipe gallery, adjust the position of the tension adjustment screw 30 in the strip groove 32. Adjust the position of the sling 31 . An adjustment handle 33 is installed above the tension adjustment screw 30. When the sling 31 is hooked on the prefabricated integrated pipe gallery, the sling 31 is tightened by rotating the adjustment handle 33 to prevent the sling 31 from being separated from the prefabricated integrated pipe gallery.

A construction method of a self-propelled urban underground prefabricated integrated pipe gallery laying and hoisting machine, comprising the following steps:

(1) Use the existing crane to hoist the prefabricated comprehensive pipe gallery into the dug tunnel in turn, and splicing 2-3 prefabricated comprehensive pipe gallery at the front end, and then carry out the hydraulic expansion of the steel strand between the prefabricated comprehensive pipe gallery. Pull, realize seamless connection between prefabricated integrated pipe gallery;

(2) Put down the leading device, and use the driving mechanism to drive the truss 1 to the installed prefabricated comprehensive pipe gallery, 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 is reserved at the bottom of the truss 1 to be assembled. prefabricated integrated pipe gallery;

(3) Adjust the position of the hoist block 25 through the hoist 26 and the pulley block 28, hook the sling 31 to the hook on the top of the prefabricated integrated pipe gallery at the bottom of the truss 1, start the hydraulic cylinder 12, and lift the entire truss 1, thereby The prefabricated integrated pipe gallery is lifted off the ground;

(4) At this time, turn the hand crank 23, lower the support rectification beam 15, make the weight of the truss 1 fall on the support rectification beam 15, and adjust the position of the crane pulley 25 so that it matches the installed prefabricated integrated pipe gallery. Splicing, lowering the prefabricated integrated pipe gallery to make it dock with the installed prefabricated integrated pipe gallery, then disengage the sling 31 from the hook, and perform hydraulic stretching of the steel strand between the prefabricated integrated pipe gallery to achieve seamless docking;

(5) After the prefabricated integrated pipe gallery below the truss 1 is hoisted, the supporting beam 15 is folded, and the hook 24 is used to hang it, the hydraulic cylinder 12 falls back, the truss 1 descends, and the driving mechanism is used to drive the truss 1 and the leading device to move forward , after reaching the position, hoist the prefabricated integrated pipe gallery under the truss 1 in the same way, and connect it to the prefabricated integrated pipe gallery that has been installed seamlessly. After all installations are completed, lift the leading device and withdraw the truss 1.

The above description of the disclosed embodiments enables those skilled in the art to implement 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 implemented in other embodiments without departing from the spirit or scope of the present 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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