CN220005522U - Hydraulic bent pipe construction equipment - Google Patents

Abstract

The utility model relates to the technical field of pipeline bending, in particular to hydraulic bent pipe construction equipment, which comprises a bottom plate, wherein a first pipeline placing device and a second pipeline placing device are fixedly arranged at two ends of the top of the bottom plate, a lifting device and a hydraulic bending device are fixedly arranged at the center of the top end of the bottom plate, the hydraulic bending device is positioned at the inner side of the lifting device, the first pipeline placing device comprises a pipeline foot pad, a first straight pipe and a second straight pipe, the first straight pipe and the second straight pipe are respectively placed on the pipeline foot pad, and the lifting device comprises a main beam, lifting equipment, lifting belts, supporting legs, an anti-falling frame, an electric rail wheel, a rail and a lifting hook. Through the setting of hydraulic bending device, realized can reset the lifting and the spacing purpose of self-adaptation with the pipeline.

Description

Hydraulic bent pipe construction equipment

Technical Field

The utility model relates to the technical field of pipeline bending, in particular to hydraulic bent pipe construction equipment.

Background

With the development of the building industry, the aesthetic enhancement of people, the increasing of various special-shaped buildings such as circular, arc-shaped, curved surfaces and the like, and the increasing of the requirements on electromechanical installation are also achieved. In order to meet the quality and the aesthetic property of the electromechanical installation engineering of the special-shaped building, the pipe bending construction method gradually appears in the field of vision of people.

The hydraulic pipe bender comprises a frame, a wheel die device, a clamping die, a guide die device, a leveling device, an oil cylinder device, an adjusting rod, a clamping die arranged on a supporting rod, wherein the guide die device comprises a guide die, an arc guide die surface which is concave is arranged on the guide die and arranged on a guide die base, a track is arranged on the guide die base, a fixed guide die device is arranged on the guide die, a guide die return device is arranged on the guide die device, the leveling device is provided with a leveling fixing table, and clamping fixing devices are respectively arranged in front of and behind the leveling device.

At present, when the hydraulic pipe bending machine on the market is used, because the internal structure of the hydraulic equipment is simpler, the hydraulic equipment is lack of components for limiting protection and lifting of a pipeline, so that the hydraulic pipe bending machine cannot realize the work of resetting and lifting the pipeline and self-adaptive limiting, and the hydraulic pipe bending machine needs to be improved for the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide hydraulic pipe bending construction equipment so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme:

aiming at the problems in the prior art, the utility model provides hydraulic pipe bending construction equipment.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a fluid pressure type return bend construction equipment, includes the bottom plate, the top both ends fixed mounting of bottom plate has first pipeline to put device and second pipeline to put the device, the top center fixed mounting of bottom plate has overhead hoist and hydraulic bending device, just hydraulic bending device is located overhead hoist's inboard, first pipeline is put the device and is including pipeline pad foot, first straight tube and second straight tube are placed respectively on pipeline pad foot, overhead hoist includes girder, lifting device, lifting belt, stabilizer blade, anticreep frame, electric rail wheel, track and lifting hook, lifting hook fixed connection is at the bottom both ends of lifting belt, the lifting belt is installed on the bottom of lifting device, lifting device slidable mounting is on the girder, girder fixed mounting is two on the top of stabilizer blade, stabilizer blade fixed mounting is on electric rail wheel, electric rail wheel slidable mounting is on the track, anticreep frame fixed mounting is at the top both ends of track.

Specifically, the hydraulic bending device further comprises a supporting mechanism, a guiding device and auxiliary positioning devices, wherein the guiding device is fixedly arranged at the rear end of the top of the supporting mechanism, and the auxiliary positioning devices are fixedly arranged at the front ends of two sides of the guiding device.

Specifically, the supporting mechanism comprises a pushing device, a synchronizing device and an extending device, wherein the extending device is fixedly arranged at the front end of the top of the synchronizing device, and the pushing device is slidably arranged at the rear end of the extending device.

Specifically, pusher includes blocking plate, balancing weight, feather key, supporting baseplate, first piston rod, U type inflator, second piston rod, first reset spring and support gasket, balancing weight fixed mounting is at the both ends of supporting baseplate, feather key fixed mounting is at the front end of balancing weight, U type inflator symmetry fixed mounting is in the bottom of supporting baseplate, first piston rod slip grafting is at the rear end bottom of U type inflator, blocking plate fixed mounting is at the rear end of first piston rod, the front end bottom at U type inflator is pegged graft in the second piston rod slip, support gasket fixed mounting is on U type inflator and second piston rod, just first reset spring fixed connection is between two support gasket.

Specifically, synchronizer includes recess, preceding bottom plate, connecting rope, first rolling wheel, gear and back roof, the recess is seted up inside the top of preceding bottom plate, preceding bottom plate fixed mounting is in the front end bottom of back roof, first rolling wheel is rotated and is installed in the bottom both sides of back roof, gear fixed mounting is on first rolling wheel, connecting rope slip runs through preceding bottom plate fixed connection on first rolling wheel.

Specifically, extension device includes second rolling wheel, supporting roof frame, guide way, check and keeps off template and counterpoint ware, the guide way symmetry is seted up inside the both ends that keep off the template at the check, supporting roof frame fixed mounting keeps off the top both ends of template at the check, second rolling wheel is rotated and is installed on the inside top of supporting the roof frame, counterpoint fixed mounting keeps off the top center of template at the check.

Specifically, guider includes hydraulic cylinder, spacing, rack, extrusion piece and enhancement frame, enhancement frame fixed mounting is in hydraulic cylinder's front end, spacing symmetry fixed mounting is in the rear end bottom of enhancement frame, extrusion piece fixed mounting is in the bottom of enhancement frame, rack symmetry fixed mounting is in the rear end of extrusion piece, auxiliary positioning device is including connecting sideframe, support cavity, slide, circular arc clamping frame and second reset spring, connect sideframe symmetry fixed mounting on the side of support cavity, second reset spring symmetry fixed mounting is in the inside of support cavity, slide slip runs through support cavity fixed connection on second reset spring, circular arc clamping frame fixed mounting is on the side that the slide deviates from second reset spring.

Specifically, the feather key is pegged graft in the inside of guide way in the sliding, check fender template fixed mounting is at the top front end of preceding bottom plate, hydraulic cylinder fixed mounting is at the top rear end of back roof, the one end fixed connection that the gear was kept away from to the connecting rope is on the top of feather key, connect limit frame fixed mounting on the both ends of extrusion piece.

Specifically, the inside of U type inflator is the cavity state setting, just form airtight cavity between U type inflator, first piston rod and the second piston rod, the inside front end fixed mounting of recess has the boss, and the boss aligns with supporting pad is perpendicular, the top of gear aligns with the bottom level of rack, supporting baseplate's top and the top surface parallel and level of recess, the square groove with spacing looks adaptation has been seted up to the symmetry on the top of back roof.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the auxiliary positioning device, the two ends of the pipeline can be subjected to guide type positioning, so that the pipeline can be prevented from being inclined when being placed, the inside of the auxiliary positioning device is provided with a certain angle buffer function, so that the auxiliary positioning device can adapt to the limiting positioning of bending of the pipeline, and when the supporting gasket is separated from the inside of the groove, the blocking plate can be lifted upwards, so that the pipeline can be prevented from falling outwards in an inclined manner, and the limiting protection of the pipeline can be completed.

According to the utility model, through the combined arrangement of the guide device and the extension device, the whole lifting operation of the pipeline can be performed, so that the bent pipeline is convenient to take, the rack in the guide device can drive the gear to synchronously move, the supporting bottom plate can drive the bent pipeline to lift upwards, and the extruding block can perform self-adaptive resetting during operation, so that the external pipeline can be conveniently taken again, and the whole lifting operation of the pipeline is completed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a front perspective view of a main body of the present utility model;

FIG. 2 is a schematic view of a front perspective view of a first pipe placement device according to the present utility model;

FIG. 3 is a front perspective view of the overhead hoist of the present utility model;

FIG. 4 is a schematic front perspective view of a hydraulic bending apparatus according to a second embodiment of the present utility model;

FIG. 5 is a schematic view of a front perspective view of the support mechanism of the present utility model;

FIG. 6 is a schematic view of a perspective view of the bottom end of the pushing device according to the present utility model;

FIG. 7 is an enlarged schematic view of a portion of FIG. 6A in accordance with the present utility model;

FIG. 8 is a schematic view of a front perspective view of a synchronous device according to the present utility model;

FIG. 9 is a front perspective view of the extension device of the present utility model;

FIG. 10 is a rear perspective view of the guide of the present utility model;

FIG. 11 is a schematic view of the auxiliary positioning device of the present utility model in partial cutaway.

In the figure: 1-first pipe laying device, 2-lifting device, 3-hydraulic bending device, 4-second pipe laying device, 5-bottom plate, 11-pipe foot pad, 12-first straight pipe, 13-second straight pipe, 21-main beam, 22-lifting device, 23-lifting belt, 24-support leg, 25-anti-drop frame, 26-electric rail wheel, 27-rail, 28-lifting hook, 31-supporting mechanism, 32-guiding device, 33-auxiliary positioning device, 311-pushing device, 312-synchronizing device, 313-extending device, 3111-blocking plate, 3112-balancing weight, 3113-sliding key, 3114-supporting bottom plate, 3115-first piston rod 3116-U-shaped inflator, 3117-second piston rod, 3118-first return spring, 3119-support spacer, 3121-groove, 3122-front bottom plate, 3123-connection rope, 3124-first winding wheel, 3125-gear, 3126-rear top plate, 3131-second winding wheel, 3132-support top frame, 3133-guide groove, 3134-grid template, 3135-aligner, 321-hydraulic cylinder, 322-limit bar, 323-rack, 324-extrusion block, 325-reinforcement frame, 331-connection side frame, 332-support cavity, 333-slide plate, 334-arc clamping frame, 335-second return spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 6, a hydraulic pipe bending construction device comprises a bottom plate 5, a first pipe placing device 1 and a second pipe placing device 4 are fixedly arranged at two ends of the top of the bottom plate 5, a lifting device 2 and a hydraulic bending device 3 are fixedly arranged at the center of the top end of the bottom plate 5, the hydraulic bending device 3 is located on the inner side of the lifting device 2, the first pipe placing device 1 comprises a pipe foot 11, a first straight pipe 12 and a second straight pipe 13, the first straight pipe 12 and the second straight pipe 13 are respectively placed on the pipe foot 11, the lifting device 2 comprises a main beam 21, lifting equipment 22, lifting belts 23, supporting legs 24, an anti-falling frame 25, electric rail wheels 26, rails 27 and lifting hooks 28, the lifting hooks 28 are fixedly connected at two ends of the bottom of the lifting belts 23, the lifting belts 23 are arranged at the bottom ends of the lifting equipment 22, the lifting equipment 22 is slidably mounted on the main beam 21, the supporting legs 24 are fixedly mounted at the top ends of the two supporting legs 24, the supporting legs 24 are fixedly mounted on the electric rail wheels 26, the electric rail wheels 26 are slidably mounted on the rails 27, and the anti-falling frames 25 are fixedly mounted at two ends of the rails 27.

As shown in fig. 4, the hydraulic bending device 3 further includes a supporting mechanism 31, a guiding device 32 and an auxiliary positioning device 33, wherein the guiding device 32 is fixedly installed at the rear end of the top of the supporting mechanism 31, and the auxiliary positioning devices 33 are fixedly installed at the front ends of both sides of the guiding device 32.

As shown in fig. 5, the supporting mechanism 31 includes a pushing device 311, a synchronizing device 312 and an extending device 313, the extending device 313 is fixedly installed at the front end of the top of the synchronizing device 312, and the pushing device 311 is slidably installed at the rear end of the extending device 313, so as to support the pushing device 311 for guiding sliding.

Referring to fig. 6 and 7, the pushing device 311 includes a blocking plate 3111, a balancing weight 3112, a sliding key 3113, a supporting base plate 3114, a first piston rod 3115, a U-shaped cylinder 3116, a second piston rod 3117, a first return spring 3118 and a supporting spacer 3119, the balancing weight 3112 is fixedly installed at both ends of the supporting base plate 3114, the sliding key 3113 is fixedly installed at the front end of the balancing weight 3112, the U-shaped cylinder 3116 is symmetrically and fixedly installed at the bottom end of the supporting base plate 3114, the first piston rod 3115 is slidably inserted at the bottom of the rear end of the U-shaped cylinder 3116, the blocking plate 3111 is fixedly installed at the rear end of the first piston rod 3115, the second piston rod 3117 is slidably inserted at the bottom of the front end of the U-shaped cylinder 3116, the supporting spacer 3119 is fixedly installed on the U-shaped cylinder 3116 and the second piston rod 3117, and the first return spring 3118 is fixedly connected between the two supporting spacers 3119, and the second piston rod 3117 is pulled downward by elasticity of the first return spring 3118 when the supporting spacer 3119 receives no pressure.

As shown in fig. 8, the synchronization device 312 includes a groove 3121, a front bottom plate 3122, a connection rope 3123, a first winding wheel 3124, a gear 3125 and a rear top plate 3126, the groove 3121 is opened inside the top end of the front bottom plate 3122, the front bottom plate 3122 is fixedly installed at the front bottom of the rear top plate 3126, the first winding wheel 3124 is rotatably installed at two sides of the bottom of the rear top plate 3126, the gear 3125 is fixedly installed on the first winding wheel 3124, the connection rope 3123 slides through the front bottom plate 3122 and is fixedly connected on the first winding wheel 3124, and the connection rope 3123 can be released and wound by the forward or reverse rotation of the gear 3125.

As shown in fig. 9, the extending device 313 includes a second winding wheel 3131, a supporting top frame 3132, a guiding slot 3133, a block template 3134 and a positioning device 3135, the guiding slot 3133 is symmetrically arranged inside two ends of the block template 3134, the supporting top frame 3132 is fixedly arranged at two ends of the top of the block template 3134, the second winding wheel 3131 is rotatably arranged at the top end of the supporting top frame 3132, the positioning device 3135 is fixedly arranged at the center of the top end of the block template 3134, and the positioning device 3135 is arranged to facilitate the alignment of the center position of the first straight tube 12 with the center position of the block template 3134 by a user.

As shown in fig. 10, the guiding device 32 includes a hydraulic cylinder 321, a limit bar 322, a rack 323, an extrusion block 324 and a reinforcement frame 325, the reinforcement frame 325 is fixedly installed at the front end of the hydraulic cylinder 321, the limit bar 322 is symmetrically and fixedly installed at the bottom of the rear end of the reinforcement frame 325, the extrusion block 324 is fixedly installed at the bottom end of the reinforcement frame 325, the rack 323 is symmetrically and fixedly installed at the rear end of the extrusion block 324, the auxiliary positioning device 33 includes a connecting side frame 331, a supporting cavity 332, a sliding plate 333, an arc clamping frame 334 and a second return spring 335, the connecting side frame 331 is symmetrically and fixedly installed at the side end of the supporting cavity 332, the second return spring 335 is symmetrically and fixedly installed inside the supporting cavity 332, the sliding plate 333 is fixedly connected to the second return spring 335 in a penetrating manner, the arc clamping frame 334 is fixedly installed at the side end of the sliding plate 333 away from the second return spring 335, and the limit bar 322 is slid on the rear top plate 3126, so that the extrusion block 324 can be ensured to move along a straight line.

The sliding key 3113 is slidingly inserted in the guide slot 3133, the grid baffle plate 3134 is fixedly installed at the front end of the top of the front bottom plate 3122, the hydraulic cylinder 321 is fixedly installed at the rear end of the top of the rear top plate 3126, one end, far away from the gear 3125, of the connecting rope 3123 is fixedly connected to the top end of the sliding key 3113, the connecting side frame 331 is fixedly installed at two ends of the extrusion block 324, the inside of the U-shaped air cylinder 3116 is in a hollow state, a closed cavity is formed among the U-shaped air cylinder 3116, the first piston rod 3115 and the second piston rod 3117, a boss is fixedly installed at the front end of the inside of the groove 3121, the boss is vertically aligned with the supporting gasket 3119, the top end of the gear 3125 is horizontally aligned with the bottom end of the rack 323, the top end of the supporting bottom plate 3114 is flush with the top end surface of the groove 3121, and square grooves matched with the limiting strips 322 are symmetrically arranged on the top end of the rear top plate 3126.

In this embodiment, when the first straight tube 12 is placed on the top end of the supporting base plate 3114, the hydraulic cylinder 321 may be started to drive the extrusion block 324 to move toward the front end, when the extrusion block 324 moves, the first straight tube 12 on the supporting base plate 3114 may be pushed to contact with the grid baffle 3134, meanwhile, when the extrusion block 324 moves, the limit bar 322 may move in the square groove on the rear top plate 3126 to ensure 342 to move along a straight line, and when the extrusion block 324 moves, the arc clamping frame 334 may be driven by the supporting cavity 332 to contact with the first straight tube 12, and the inner recess of the arc clamping frame 334 is set in an arc state, so that the first straight tube 12 may be extruded to contact with the grid baffle 3134, thereby avoiding the phenomenon of skew and shaking of the first straight tube 12.

Meanwhile, when the extrusion block 324 continuously extrudes the first straight pipe 12, the bending work of the first straight pipe 12 can be completed, and then the hydraulic cylinder 321 can be started again to drive the extrusion block 324 to reset towards the rear end.

When the extrusion block 324 drives the rack 323 to move backward to the limit position, the gear 3125 can be driven to rotate, and when the gear 3125 rotates, the first winding wheel 3124 can be driven to drive the connection rope 3123 to pull the sliding key 3113 to move upward, so that the support base 3114 drives the bent first straight pipe 12 to move upward, the sliding key 3113 slides in the guide slot 3133, so that the support base 3114 can be ensured to slide up and down along a straight line, and the connection rope 3123 passes through the surface of the second winding wheel 3131 while being pulled, so that smoothness of the connection rope 3123 when the guide slot 3133 is pulled can be improved.

At this time, when the support base 3114 moves upward, the support pad 3119 is brought out of contact with the boss inside the recess 3121, so that the second piston rod 3117 loses pressure.

At this time, the second piston rod 3117 is driven to move downward in the U-shaped air cylinder 3116 by the elasticity of the first return spring 3118, so that the first piston rod 3115 drives the blocking plate 3111 to move upward, the blocking plate 3111 is used to block the top of the supporting base 3114, and the supporting base 3114 is close to the top of the blocking template 3134 when being lifted up to the limit position, so that the blocking plate 3111 can cooperate with the blocking plate 3111 to block the pipeline on the supporting base 3114, and the falling phenomenon of the pipeline from the supporting base 3114 is avoided.

Thereafter, the hooks 28 may be hung on two ends of the first straight pipe 12, so that the first straight pipe 12 may be lifted and removed, and at the same time, the hydraulic cylinder 321 may be started again, so as to drive the extrusion block 324 to move toward the front end again, and the rack 323 may pass over the top end of the gear 3125.

When the rack 323 just passes through the top end of the gear 3125, the hydraulic cylinder 321 can be stopped, so that the gear 3125 can drive the first winding wheel 3124 to release the connection rope 3123, at this time, by the self weight of the balancing weight 3112, the supporting base plate 3114 is driven to move downward integrally to be attached to the groove 3121, so that the supporting spacer 3119 is contacted with the convex plate at the bottom end inside the groove 3121 again, and the second piston rod 3117 can be driven to move toward the inside of the U-shaped air cylinder 3116, so that the first piston rod 3115 and the blocking plate 3111 move downward to reset, so as to facilitate the first straight pipe 12 to be taken out again.

When the device is used, through the arrangement of the second reset spring 335, when the extrusion block 324 extrudes the first straight pipe 12, the bent first straight pipe 12 can drive the circular arc clamping frame 334 to shrink towards the inside of the supporting cavity 332, so that the first straight pipe 12 can be prevented from being blocked, and when the rack 323 just passes through the gear 3125, the extrusion block 324 and the supporting base plate 3114 can be separated by 10 cm, so that the interference phenomenon between the supporting base plate 3114 and the extrusion block 324 can be prevented.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a fluid pressure type return bend construction equipment, includes bottom plate (5), first pipeline is put device (1) and second pipeline is put device (4) to top both ends fixed mounting of bottom plate (5), the top center fixed mounting of bottom plate (5) has overhead hoist (2) and hydraulic bending device (3), just hydraulic bending device (3) are located the inboard of overhead hoist (2), its characterized in that:

the first pipeline placing device (1) comprises a pipeline foot pad (11), a first straight pipe (12) and a second straight pipe (13), the first straight pipe (12) and the second straight pipe (13) are respectively placed on the pipeline foot pad (11), the lifting device (2) comprises a main beam (21), lifting equipment (22), lifting belts (23), supporting legs (24), an anti-falling frame (25), an electric rail wheel (26), a rail (27) and a lifting hook (28), the lifting hook (28) is fixedly connected to the two ends of the bottom of the lifting belts (23), the lifting belts (23) are installed on the bottom end of the lifting equipment (22), the lifting equipment (22) is slidably installed on the main beam (21), the main beam (21) is fixedly installed on the two top ends of the supporting legs (24), the supporting legs (24) are fixedly installed on the electric rail wheel (26), the electric rail wheel (26) is slidably installed on the rail (27), and the anti-falling frame (25) is fixedly installed on the two ends of the rail (27).

2. The hydraulic pipe bending construction equipment according to claim 1, wherein: the novel automatic feeding device is characterized by further comprising a supporting mechanism (31), wherein the supporting mechanism (31) comprises a pushing device (311), a synchronizing device (312) and an extending device (313), the extending device (313) is fixedly arranged at the front end of the top of the synchronizing device (312), and the pushing device (311) is slidably arranged at the rear end of the extending device (313).

3. A hydraulic pipe bending construction apparatus according to claim 2, wherein: push device (311) are including blocking board (3111), balancing weight (3112), feather key (3113), supporting baseplate (3114), first piston rod (3115), U type inflator (3116), second piston rod (3117), first reset spring (3118) and support gasket (3119), balancing weight (3112) fixed mounting is at the both ends of supporting baseplate (3114), feather key (3113) fixed mounting is at the front end of balancing weight (3112), U type inflator (3116) symmetry fixed mounting is in the bottom of supporting baseplate (3114), first piston rod (3115) slip grafting is at the rear end bottom of U type inflator (3116), blocking board (3111) fixed mounting is at the rear end of first piston rod (3115), second piston rod (3117) slip grafting is at the front end bottom of U type (3116), support gasket (3119) fixed mounting is on U type (3116) and second piston rod (3117), and first reset spring (3118) fixed connection is between two gas cylinders (3119).

4. A hydraulic pipe bending construction apparatus according to claim 3, wherein: the synchronous device (312) comprises a groove (3121), a front bottom plate (3122), a connecting rope (3123), a first rolling wheel (3124), a gear (3125) and a rear top plate (3126), wherein the groove (3121) is arranged inside the top end of the front bottom plate (3122), the front bottom plate (3122) is fixedly arranged at the bottom of the rear top plate (3126), the first rolling wheel (3124) is rotatably arranged at the two sides of the bottom of the rear top plate (3126), the gear (3125) is fixedly arranged on the first rolling wheel (3124), and the connecting rope (3123) is fixedly connected with the first rolling wheel (3124) in a sliding way through mode through the front bottom plate (3122).

5. The hydraulic pipe bending construction equipment according to claim 4, wherein: extension device (313) are including second rolling wheel (3131), support roof-rack (3132), guide way (3133), check template (3134) and counterpoint ware (3135), inside both ends at check template (3134) are seted up to guide way (3133) symmetry, support roof-rack (3132) fixed mounting is at the top both ends of check template (3134), second rolling wheel (3131) rotate the inside top of installing at support roof-rack (3132), counterpoint ware (3135) fixed mounting is at the top center of check template (3134).

6. The hydraulic pipe bending construction equipment according to claim 5, wherein: the hydraulic pressure device comprises a hydraulic cylinder (321), a limit bar (322), a rack (323), an extrusion block (324) and a reinforcing frame (325), wherein the reinforcing frame (325) is fixedly arranged at the front end of the hydraulic cylinder (321), the limit bar (322) is symmetrically and fixedly arranged at the bottom of the rear end of the reinforcing frame (325), the extrusion block (324) is fixedly arranged at the bottom of the reinforcing frame (325), and the rack (323) is symmetrically and fixedly arranged at the rear end of the extrusion block (324);

still include auxiliary positioning device (33), auxiliary positioning device (33) are including connecting sideframe (331), support cavity (332), slide (333), circular arc clamping frame (334) and second reset spring (335), connect sideframe (331) symmetry fixed mounting on the side of supporting cavity (332), second reset spring (335) symmetry fixed mounting is in the inside of supporting cavity (332), slide (333) slip runs through support cavity (332) fixed connection on second reset spring (335), circular arc clamping frame (334) fixed mounting is on the side that slide (333) deviates from second reset spring (335).

7. The hydraulic pipe bending construction equipment according to claim 6, wherein: the sliding key (3113) is slidably inserted into the guide groove (3133), the grid baffle template (3134) is fixedly installed at the front end of the top of the front bottom plate (3122), the hydraulic cylinder (321) is fixedly installed at the rear end of the top of the rear top plate (3126), one end, far away from the gear (3125), of the connecting rope (3123) is fixedly connected to the top end of the sliding key (3113), and the connecting side frame (331) is fixedly installed at the two ends of the extrusion block (324).

8. The hydraulic pipe bending construction equipment according to claim 7, wherein: the inside of U type inflator (3116) is the cavity state setting, just form airtight cavity between U type inflator (3116), first piston rod (3115) and second piston rod (3117), the inside front end fixed mounting of recess (3121) has the boss, and boss and support gasket (3119) vertical alignment, the top of gear (3125) is in horizontal alignment with the bottom of rack (323), the top of supporting baseplate (3114) and the top surface parallel and level of recess (3121), the square groove with spacing (322) looks adaptation has been seted up to the symmetry on the top of back roof (3126).