CN212336252U - Tongue-and-groove type large-diameter precast concrete pipe joint installation equipment - Google Patents
Tongue-and-groove type large-diameter precast concrete pipe joint installation equipment Download PDFInfo
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- CN212336252U CN212336252U CN202021787650.2U CN202021787650U CN212336252U CN 212336252 U CN212336252 U CN 212336252U CN 202021787650 U CN202021787650 U CN 202021787650U CN 212336252 U CN212336252 U CN 212336252U
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A tongue-and-groove type large-diameter precast concrete pipe joint installation device comprises a butt joint device A, a butt joint device B and a power system, wherein the butt joint device A and the butt joint device B are installed at corresponding clamping points of pipe joints and are used in a matched mode; the butt joint device A comprises an upper part A1 and a lower part A2, A1 is fixed at a vertex right above the circle center of the cross section of the pipe joint, A2 is fixed at a position which is away from the bottom 1/3D of the pipe joint, D is the diameter of the pipe joint, I-shaped steel is transversely fixed and intersects with the pipe joint at two points to form an equilateral triangle with uniform stress with A1, the butt joint device B comprises B1 and B2, and the fixing modes of the butt joint device A, B are consistent; when the butting device A, B is installed and fixed, the A1 is connected with the B1, and the A2 is connected with the B2 in a one-to-one correspondence manner; the power system comprises a chain block, a steel wire rope and a U-shaped buckle. The installation equipment can fully utilize the acting force for folding the pipe joints, so that the pipe joints are fully folded, the pipe joint openings are prevented from being broken, the gaps between the pipe joints are reduced, and the whole tightness of the pipeline is enhanced.
Description
The technical field is as follows:
the utility model belongs to the technical field of municipal administration precast concrete pipe joint installation, especially, belong to major diameter tongue-and-groove formula precast concrete drainage pipe joint installation technical field, specifically speaking is a tongue-and-groove formula major diameter precast concrete pipe joint erection equipment.
Background art:
the municipal road drainage pipe engineering generally needs to be formed by splicing single large-diameter (D is 1800-3500 mm) precast concrete pipes, and the pipe joint installation generally selects tongue-and-groove type, socket type and flat type concrete pipes. The precast concrete pipe has simple construction process, quick construction and wide application range. The large-diameter precast concrete pipe is generally large and heavy, when the pipe joints are assembled, the treatment of an assembling opening gap is very important, tools such as a crane, a steel wire rope, a hand hoist and the like are needed when the pipe joints are assembled, the steel wire rope is used as a force transmission device, the hand hoist provides acting force to fold the two pipe joints, but the pipe joints are easy to damage due to small stress area because the cross section of the steel wire rope is small, the pipe joints are easy to be unevenly stressed in the folding process, the pipe joints are deviated, the pipe joints cannot be completely folded, and the rubber sealing rings cannot be fully extruded in place, so that the risk of water leakage exists in the operation period. Meanwhile, leaked water flow can erode a road bed, and a foundation cavity and a road surface collapse are easily caused for a long time, so that traffic accidents are caused.
Therefore in the large diameter precast concrete pipe joint installation, need an erection equipment urgently, can protect the pipe joint mouth wall complete and let the whole atress of pipe joint even, parallel movement in the pipe joint installation, make fully fold between pipe joint and the pipe joint, rubber seal obtains abundant extrusion to reduce the gap between the pipe joint, the leakproofness between the reinforcing pipe joint avoids leaking.
The invention content is as follows:
the utility model provides a not enough to prior art, the utility model provides a tongue-and-groove formula major diameter precast concrete pipe joint erection equipment not only can install fast, can make fully fold simultaneously between the pipe joint, avoids the pipe joint mouth to be destroyed because of the installation, reduces the gap between the pipe joint, strengthens the leakproofness between the pipe joint.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
the utility model provides a tongue-and-groove formula major diameter precast concrete pipe joint erection equipment, this pipe joint erection equipment include interfacing apparatus A, interfacing apparatus B, driving system. The butt joint device A and the butt joint device B are arranged at the corresponding clamping points of the pipe joints and are matched for use. The butt joint device A comprises an upper part A1 and a lower part A2, wherein A1 is fixed at the vertex right above the circle center of the cross section of the pipe joint, A2 is long I-shaped steel, the structure is bilaterally symmetrical and is fixed at the position of 1/3D height away from the bottom of the pipe joint, D is the diameter of the pipe joint, the I-shaped steel is transversely fixed and intersects with the pipe joint at two points to form an equilateral triangle with uniform stress with A1. The docking device B comprises B1 and B2, and the docking device group B and the docking device group A are fixed in the same way. When the docking device A and the docking device B are fixedly installed, the A1 and the B1 are connected, and the A2 and the B2 are connected in a one-to-one correspondence mode. The power system comprises a power device and a force transmission device, the power device is a hand plate hoist, the force transmission device is a steel wire rope and a U-shaped buckle, and the U-shaped buckle is connected with the butt joint device and the steel wire rope.
The A1 comprises a front end top position clamping device, a first U-shaped buckle jack, an A1 supporting steel plate, a front end concave surface stabilizer, a front end concave surface triangular reinforcing device, a front end convex surface stabilizer and a front end convex surface triangular reinforcing device; the A2 comprises a front end bottom balancer, a left front end concave surface stabilizer, an A2 left supporting steel plate, a left front end convex surface stabilizer, a front end connector, a second U-shaped buckle jack, a right front end convex surface stabilizer, a right front end concave surface stabilizer and an A2 right supporting steel plate; b1 comprises a rear end top position clamp, a third U-shaped buckle jack, a B1 supporting steel plate, a rear end convex surface stabilizer, a rear end convex surface triangular reinforcing device, a rear end concave surface stabilizer and a rear end concave surface triangular reinforcing device; b2 comprises a rear end bottom balancer, a left rear end convex surface stabilizer, a left rear end concave surface stabilizer, a B2 left supporting steel plate, a rear end connector, a fourth U-shaped buckle jack, a right rear end concave surface stabilizer, a B2 right supporting steel plate and a right rear end convex surface stabilizer; the concave-convex surface stabilizer is welded with the corresponding position fastener, and a triangular reinforcing device is fixed between the concave-convex surface stabilizer and the position fastener; a steel wire rope is used between the position clamping device and the balancer of the butting device A, B; the first U-shaped buckle jack and the third U-shaped buckle jack are connected with the steel wire rope; and the front end connector, the rear end connector, the second U-shaped buckle jack and the fourth U-shaped buckle jack are matched with steel wire ropes.
The upper part A1 is formed by welding a plurality of 1cm thick steel plates, and the lower part A2 is formed by welding 20 # I-steel and a plurality of 1cm thick steel plates; the docking unit B is made of the same material as the docking unit A.
Two plate hoists are arranged in the pipe joint, and one plate hoist is arranged at the top of the pipe joint.
The concave-convex positions of the firmers corresponding to the butt joint device A and the butt joint device B are different.
The front end top clamping device and the rear end top clamping device are formed by welding a plurality of 1cm steel plates, and the welding shapes of the front end top clamping device and the rear end top clamping device can be clamped at concave and convex positions of pipe joints.
The front end bottom balancer and the rear end bottom balancer are long I-shaped steel, and the structures of the front end bottom balancer and the rear end bottom balancer are bilaterally symmetrical.
The clamping devices of the butt joint device A and the butt joint device B are arranged right above the circle center of the cross section of the pipe joint, the balancer is arranged at the height position which is 1/3D away from the ground, D is the diameter of the pipe joint, and three points in contact with the pipe joint form an equilateral triangle with uniform stress.
The stabilizer is made of steel plates.
A construction process of a tongue-and-groove type large-diameter precast concrete pipe joint installation device comprises the following operation steps:
firstly, measuring the width of the concave-convex section of the pipe joint according to the diameter of the installation tongue-and-groove type pipe joint, and welding and assembling the pipe joint installation equipment by using a 1cm steel plate and a 20 # I-steel.
Secondly, hanging a first pipe joint according to design requirements, hanging a second pipe joint after the first pipe joint is installed, fixing a butt joint device A at the front end of the first pipe joint, installing a butt joint device B at the rear end of the second pipe joint, connecting the two butt joint devices by using a steel wire rope, installing a lever block in the connection process, installing two pipes and one pipe top, and smearing butter at corresponding positions.
And thirdly, adjusting the second pipe joint to meet the design requirements, simultaneously rotating the three lever hoists to provide acting force after the adjustment is completed, observing the folding condition at the pipe joint interface by an observer in the pipe joint folding process, commanding the corresponding lever hoists to change the rotating speed until the pipe joints are completely folded, and extruding the sealing rubber ring in place.
If the installation direction is from the front end to the rear end, the butt joint device A at the front end does not move, the butt joint device B at the rear end moves to the rear end of the next pipe joint, and the second step and the third step are repeated; the rest pipe joints are sequentially installed, and the models of the lever block and the steel wire rope can be increased according to the length of the installed pipeline; generally, 20-30 m long pipelines can be installed in a circulating way.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses can make full use of fold the effort of pipe coupling for fully fold between the pipe coupling, avoid the pipe coupling mouth to break, reduce the gap between the pipe coupling, strengthen the holistic seal of pipeline, solved the pipeline because of the inhomogeneous insufficient that folds of atress between the pipe coupling, the pipe coupling mouth is destroyed by the extrusion in the extrusion sealing rubber circle is not in place or the installation, finally leads to the problem that the pipeline leaked during the operation.
Description of the drawings:
FIG. 1 is a schematic view of a tongue and groove tube configuration;
FIG. 2 is a schematic view of the usage state of the present invention;
fig. 3 is a front view of the docking device a of the present invention in a use state;
fig. 4 is a front view of the docking device B of the present invention in a use state;
FIG. 5 shows a1A front view of the device;
FIG. 6 shows a1A top view of the apparatus;
FIG. 7 shows a1A device side view;
FIG. 8 shows a2A front view of the device;
FIG. 9 is A of the present invention2A top view of the apparatus;
FIG. 10 shows a2A device side view;
FIG. 11 is a view of a view from above1A front view of the device;
FIG. 12 shows a view of the present invention B1A top view of the apparatus;
FIG. 13 is a view of the present invention B1A device side view;
FIG. 14 shows a view of the present invention B2A front view of the device;
FIG. 15 shows a view of the present invention B2A top view of the apparatus;
FIG. 16 shows a view of the position B of the present invention2Side view of the device.
Reference numbers in the figures:
part a1 in the figure: 1-front end top clamping device, 2-first U-shaped clamping insertion hole, 3-A1 supporting steel plate, 4-front end concave surface stabilizer, 5-front end concave surface triangular stabilizer, 6-front end convex surface stabilizer and 7-front end convex surface triangular stabilizer.
Part a2 in the figure: 8-front end bottom balancer, 9-left front end concave surface stabilizer, 10-A2 left supporting steel plate, 11-left front end convex surface stabilizer, 12-front end connector, 13-second U-shaped buckle jack, 14-right front end convex surface stabilizer, 15-right front end concave surface stabilizer and 16-A2 right supporting steel plate.
Part B1 in the figure: 17-rear top retainer, 18-third U-shaped buckle jack, 19-B1 supporting steel plate, 20-rear convex surface stabilizer, 21-rear convex surface triangular stabilizer, 22-rear concave surface stabilizer and 23-rear concave surface triangular stabilizer.
Part B2 in the figure: 24-rear bottom balancer, 25-left rear convex surface stabilizer, 26-left rear concave surface stabilizer, 27-B2 left supporting steel plate, 28-rear end connector, 29-fourth U-shaped buckle jack, 30-right rear concave surface stabilizer, 31-B2 right supporting steel plate and 32-right rear convex surface stabilizer.
33-chain block, 34-steel wire rope.
The specific implementation mode is as follows:
the technical solutions 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.
Referring to fig. 1-16, the utility model provides a tongue-and-groove formula major diameter precast concrete pipe joint erection equipment, this pipe joint erection equipment include interfacing apparatus A, interfacing apparatus B, driving system. The butt joint device A and the butt joint device B are used in a matched mode, the power system provides corresponding folding acting force, the butt joint device A and the butt joint device B are installed at the corresponding clamping points of the pipe joints, the folding condition is observed manually, the rotation condition of the power system is adjusted, and the multi-section pipe joints can be installed in a recycling mode.
The butt joint device A comprises an upper portion A1 and a lower portion A2, wherein the upper portion A1 is fixed at a vertex right above the circle center of the cross section of the pipe joint, the lower portion A2 is made of long I-shaped steel, the structure of the long I-shaped steel is bilaterally symmetrical and is fixed at a position which is far away from the bottom 1/3D of the pipe joint (D is the diameter of the pipe joint), the I-shaped steel is transversely fixed and intersects with the pipe joint at two points to form an equilateral triangle with uniform stress with A1. The upper part A1 is formed by welding a plurality of 1cm thick steel plates, and the lower part A2 is formed by welding 20I-steel and a plurality of 1cm thick steel plates. The docking device B comprises B1 and B2, the docking device group B is fixed in the same way as the docking device group A, and the material of the docking device B is not different from that of the docking device group A.
The power system comprises a power device and a force transmission device, the power device provides acting force for the lever block 33, the lever block 33 provides acting force, two lever blocks 33 are arranged in the pipe joint, one lever block 33 is arranged at the top of the pipe joint, and when the force transmission device and the power device are used in work, the three lever blocks 33 must keep the same rotating speed; the force transmission device is a steel wire rope 34 and a U-shaped buckle, the U-shaped buckle is used for connecting the butt joint device and the steel wire rope 34, and the steel wire rope 34 transmits acting force.
A1Comprises a front end top position clamping device 1, a first U-shaped buckle jack 2, a1A supporting steel plate 3, a front concave surface stabilizer 4, a front concave surface triangular stabilizer 5, a front convex surface stabilizer 6 and a front convex surface triangular stabilizer 7. A. the2Comprises a front end bottom balancer 8, a left front end concave surface stabilizer 9 and a2A left supporting steel plate 10, a left front end convex surface stabilizer 11, a front end connector 12, a second U-shaped buckle jack 13, a right front end convex surface stabilizer 14, a right front end concave surface stabilizer 15, A2And a right support steel plate 16. B is1Comprises a rear end top position clamping device 17, a third U-shaped buckle jack 18, a third U-shaped buckle jack B1A supporting steel plate 19, a rear convex surface stabilizer 20, a rear convex surface triangular stabilizer 21, a rear concave surface stabilizer 22 and a rear concave surface triangular stabilizer 23. B is2Comprises a rear bottom balancer 24, a left rear convex surface stabilizer 25, a left rear concave surface stabilizer 26 and a B2A left supporting steel plate 27, a rear end connector 28, a fourth U-shaped buckle jack 29, a right rear end concave surface stabilizer 30 and a right rear end concave surface stabilizer B2A right supporting steel plate 31 and a right rear end convex stabilizer 32.
The difference between the butting device A and the butting device B is that the concave-convex positions of the corresponding stabilizers are different due to the different widths of the concave-convex sections of the ports at the two ends of the prefabricated tongue-and-groove type concrete pipe joint. The butt joint device A and the butt joint device B are fixedly installedTiming, A1And B1、A2And B2The connection is in one-to-one correspondence; the front-end top clamping device 1 and the rear-end top clamping device 17 are formed by welding a plurality of 1cm steel plates, the welding shapes of the front-end top clamping device and the rear-end top clamping device can be clamped at the concave-convex parts of pipe joints, and the detailed sizes can be reinforced and adjusted according to actual conditions under the condition of ensuring safety; the front end bottom balancer 8 and the rear end bottom balancer 24 are long I-shaped steel and are bilaterally symmetrical in structure. The clamping devices of the butt joint device A and the butt joint device B are arranged right above the circle center of the cross section of the pipe joint, the balancer is arranged at the height position which is 1/3D (D is the diameter of the pipe joint) away from the ground, and three points which are in contact with the pipe joint can form an equilateral triangle with uniform stress.
The butt joint devices A and B are manufactured by welding on site according to the diameter of the installed pipe joint, the required materials are a steel plate with the thickness of 1-2 cm and I-shaped steel with the size of 10-20, the corresponding sizes of the pipe joints with different pipe diameters are different, and during on-site manufacturing, a concave-convex surface stabilizer is manufactured according to the width size of the concave-convex surface of the prefabricated rabbet pipe joint and then welded with the front-end top clamping device 1 and the rear-end top clamping device 17 which correspond to the concave-convex surface.
A1And B1Triangular reinforcing devices are arranged between the concave-convex stabilizer and the clamping device for reinforcing and fixing; the stabilizer is a steel plate with an enlarged stress section, so that the force can be uniformly applied to the wall of the pipe joint; the steel wire rope 34 is used as a force transmission device among the butting device A, the clamping device of the butting device A and the balancer. A. the1 Supporting steel plates 3, B1Supporting steel plate 19, is for A1And B1Can steadily put on the tube coupling surface, prevent that the device from taking place to deflect and leading to the atress skew when installing. A. the1First U-shaped buckle jack 2 and B1And a third U-shaped snap receptacle 18 for connection with a cable 34. Front end connector 12, back end connector 28 and A2Second U-shaped buckle insertion hole 13, B2The fourth U-shaped buckle jack 29 is matched with a steel wire rope 34, and the two bottom balancers are connected and tightened to prevent falling off. The specifications of the steel wire rope 34 and the lever block 33 are selected to be increased according to the increase of the pipe diameter, taking a rabbet concrete pipe with the pipe diameter of 1.8m as an example, the steel wire rope 34 with the diameter of 12 mm and the lever block with the diameter of 5T are correspondingly selected33。
Before operation, the front end and the rear end of the pipe joint are cleaned, the spigot end of the pipe joint is the front end, the spigot end of the pipe joint is the rear end, the butt joint device A is used at the front end of the pipe joint, the butt joint device B is used at the rear end of the pipe joint, and the butt joint device and a steel wire rope 34 for a power system are installed synchronously.
The first pipe joint is installed according to design requirements, and after the first pipe joint is installed, the second pipe joint is hung in. Coating butter on the inner wall of one end of the tongue-and-groove pipe to be butted so as to reduce the friction force between pipe joints during assembling, and butting A of the device A1、A2Respectively fixed at the front end of the first pipe joint (the outer wall is longer than the inner wall), and then the B of the butt joint device B is connected1、B2Also fixed at the rear end of the second joint (outer wall shorter than inner length), one end of the force transmission device wire rope 34 is respectively connected with A of the butt joint device A by U-shaped buckle1、A2Connecting the other end of the steel wire rope 34 correspondingly to the butt joint device B1、B2And a power device lever block 33 is arranged in the middle of the steel wire rope 34. The two sets of butt joint devices are connected with the steel wire rope 34 through U-shaped buckles and are slightly tensioned, so that the two sets of butt joint devices are prevented from falling off. When the second pipe joint is installed according to design parameters, the three hand-operated hoists 33 are rotated to provide acting force, the three hand-operated hoists 33 keep the same rotating speed, an observer is required to observe and command the pipe joint at the joint in the process of folding, and when folding is deviated, the corresponding hand-operated hoist 33 is commanded to reduce or increase the rotating speed until the pipe joint is fully and completely folded (for example, a left gap of the pipe joint is larger than a right gap of the pipe joint, the left hand-operated hoist 33 is commanded to increase the rotating speed, the right hand-operated hoist 33 is commanded to reduce the rotating speed, and the rotating speed of the top hand-operated hoist 33 is kept unchanged), so that the installation of the second pipe joint is completed. At this time, the third pipe joint is hung, the butt joint device A at the front end of the first pipe joint (i.e. the starting end of the pipeline installation) is not removed, the butt joint device B at the rear end of the second pipe joint is removed, the length of the steel wire rope 34 is lengthened, the device B is fixed to the rear end of the third pipe joint, the installation operation is repeated, the remaining pipe joints are sequentially installed, the models of the lever block 33 and the steel wire rope 34 can be adjusted according to the installation length and the installation direction of the pipeline, and the corresponding butt joint devices are moved. So as to be circulatedAnd (5) installing pipe joints of 20-30 m.
The construction process of the pipe joint installation equipment comprises the following specific operation steps:
1. and measuring the width of the concave-convex section of the pipe joint according to the diameter of the installation tongue-and-groove type pipe joint, and welding and assembling the pipe joint installation equipment by using a 1cm steel plate and a 20 # I-steel.
2. The method comprises the following steps of hanging a first pipe joint according to design requirements, hanging a second pipe joint after the first pipe joint is installed, fixing a butt joint device A at the front end of the first pipe joint, installing a butt joint device B at the rear end of the second pipe joint, connecting the two butt joint devices by using a steel wire rope 34, installing lever blocks 33 (two in the pipe and one at the top of the pipe) in the connection process, and smearing butter at corresponding positions.
3. And adjusting the second pipe joint to meet the design requirements, simultaneously rotating the three lever hoists 33 to provide acting force after the adjustment is finished, observing the folding condition at the pipe joint interface by an observer in the pipe joint folding process, and commanding the corresponding lever hoists 33 to change the rotating speed until the pipe joints are completely folded and the sealing rubber ring is extruded in place.
4. And (3) if the installation direction is from the front end to the rear end, the butt joint device A at the front end does not move, the butt joint device B at the rear end moves to the rear end of the next pipe joint, the steps 2 and 3 are repeated, the rest pipe joints are sequentially installed, and the models of the lever block and the steel wire rope can be increased according to the length of the installation pipeline. Generally, 20-30 m long pipelines can be installed in a circulating way.
In conclusion, the pipeline installation equipment is used for installing the tongue-and-groove type large-diameter precast concrete pipeline joint, the pipeline joint is fully folded in the installation process, the widened stabilizer can ensure that the stress of the pipe joint wall is uniform, the pipe joint wall is protected from being damaged in the folding process, the pipe joint is prevented from being damaged, the installation quality of the large-diameter precast concrete pipeline is ensured, and the problem that the pipeline leaks water in the operation process due to insufficient folding between the pipeline joints, improper extrusion sealing rubber ring or extrusion damage of the pipe joint in the installation process is solved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A tongue-and-groove type large-diameter precast concrete pipe joint installation device is characterized in that: the pipe joint installation equipment comprises a butt joint device A, a butt joint device B and a power system; the butt joint device A and the butt joint device B are arranged at the corresponding clamping points of the pipe joints and are matched for use; the butt joint device A comprises an upper part A1 and a lower part A2, wherein A1 is fixed at the vertex right above the circle center of the cross section of the pipe joint, A2 is long I-shaped steel, the structure is bilaterally symmetrical and is fixed at the position of 1/3D height away from the bottom of the pipe joint, D is the diameter of the pipe joint, the I-shaped steel is transversely fixed and intersects with the pipe joint at two points to form an equilateral triangle with uniform stress with A1; the docking device B comprises B1 and B2, and the docking device group B and the docking device group A are fixed in the same way; when the docking device A and the docking device B are fixedly installed, A1 is connected with B1, A2 is connected with B2 in a one-to-one correspondence mode; the power system comprises a power device and a force transmission device, the power device is a hand plate hoist (33), the force transmission device is a steel wire rope (34) and a U-shaped buckle, and the U-shaped buckle is connected with the butt joint device and the steel wire rope;
the A1 comprises a front end top position clamping device (1), a first U-shaped buckle jack (2), an A1 supporting steel plate (3), a front end concave surface stabilizer (4), a front end concave surface triangular stabilizer (5), a front end convex surface stabilizer (6) and a front end convex surface triangular stabilizer (7); the A2 comprises a front end bottom balancer (8), a left front end concave surface stabilizer (9), an A2 left supporting steel plate (10), a left front end convex surface stabilizer (11), a front end connector (12), a second U-shaped buckle jack (13), a right front end convex surface stabilizer (14), a right front end concave surface stabilizer (15) and an A2 right supporting steel plate (16); the B1 comprises a rear end top position clamping device (17), a third U-shaped buckle insertion hole (18), a B1 supporting steel plate (19), a rear end convex surface stabilizer (20), a rear end convex surface triangular stabilizer (21), a rear end concave surface stabilizer (22) and a rear end concave surface triangular stabilizer (23); b2 comprises a rear end bottom balancer (24), a left rear end convex surface stabilizer (25), a left rear end concave surface stabilizer (26), a B2 left supporting steel plate (27), a rear end connector (28), a fourth U-shaped buckle insertion hole (29), a right rear end concave surface stabilizer (30), a B2 right supporting steel plate (31) and a right rear end convex surface stabilizer (32);
the concave-convex surface stabilizer is welded with the corresponding position fastener, and a triangular reinforcing device is fixed between the concave-convex surface stabilizer and the position fastener; steel wire ropes (34) are used between the clamping devices and the balancers of the butt joint device A and the butt joint device B; the first U-shaped buckle jack (2) and the third U-shaped buckle jack (18) are connected with a steel wire rope (34); the front end connector (12), the rear end connector (28), the second U-shaped buckle jack (13) and the fourth U-shaped buckle jack (29) are matched with steel wire ropes (34).
2. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: the upper part A1 is formed by welding a plurality of 1cm thick steel plates, and the lower part A2 is formed by welding 20 # I-steel and a plurality of 1cm thick steel plates; the docking unit B is made of the same material as the docking unit a.
3. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: two plate hoists are arranged in the pipe joint, and one plate hoist is arranged at the top of the pipe joint.
4. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: the concave-convex positions of the firmers corresponding to the butt joint device A and the butt joint device B are different.
5. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: the front end top screens ware (1), rear end top screens ware (17) form by the welding of polylith 1cm steel sheet, its welding shape can block in tube coupling concave-convex department.
6. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: the front end bottom balancer (8) and the rear end bottom balancer (24) are long I-shaped steel and are bilaterally symmetrical in structure.
7. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: the clamping devices of the butt joint device A and the butt joint device B are arranged right above the circle center of the cross section of the pipe joint, the balancer is arranged at the height position which is 1/3D away from the ground, D is the diameter of the pipe joint, and three points in contact with the pipe joint form an equilateral triangle with uniform stress.
8. The grooved large-diameter precast concrete pipe joint installation equipment according to claim 1, characterized in that: each stabilizer is made of steel plates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787650.2U CN212336252U (en) | 2020-08-24 | 2020-08-24 | Tongue-and-groove type large-diameter precast concrete pipe joint installation equipment |
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|---|---|---|---|
| CN202021787650.2U CN212336252U (en) | 2020-08-24 | 2020-08-24 | Tongue-and-groove type large-diameter precast concrete pipe joint installation equipment |
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| CN212336252U true CN212336252U (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006240A (en) * | 2021-03-31 | 2021-06-22 | 新乡市市政设施维护中心 | Municipal road sewer pipeline construction equipment and method |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006240A (en) * | 2021-03-31 | 2021-06-22 | 新乡市市政设施维护中心 | Municipal road sewer pipeline construction equipment and method |
| CN113006240B (en) * | 2021-03-31 | 2022-07-12 | 广东裕仁生态建设有限公司 | Municipal road sewer pipeline construction equipment and method |
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