CN208202586U - Conduit lifting device for the perfusion of power transmission tower concrete filled steel tube high-altitude - Google Patents

Abstract

For the conduit lifting device of power transmission tower concrete filled steel tube high-altitude perfusion, it is related to a kind of conduit lifting device.Currently, conduit using steel wire set around strapped fixed, carry out promotion operation in steel pipe flange mouth position, operating efficiency is low, and safety is low.The utility model includes pedestal, bracket, wire rope block group, conduit hold-down support, hoisting mechanism；Pedestal includes bottom frame, and bottom frame is equipped with elongated slot in quadrangle, and bottom frame is fixed on the flange of crossover tower tower body steel pipe by connector, and bracket is vertically set on bottom frame, and bracket is equipped with wire rope block group；Conduit hold-down support includes fixed frame, connecting rod, and connecting rod is detachably connected on fixed frame by connector, and fixed frame is equipped with the guide hole to match with conduit.Operating efficiency is led in the technical program raising, and increases the safety of catheter manipulation；If elongated slot facilitates wearing for connector, the reliability of bottom frame connection is improved.

Description

Conduit lifting device for the perfusion of power transmission tower concrete filled steel tube high-altitude

Technical field

The utility model relates to a kind of conduit lifting devices, especially leading for the perfusion of power transmission tower concrete filled steel tube high-altitude Pipe lifting device.

Background technique

The long- span crossing tower of Long distance river-crossing transmission project, it is mixed using steel pipe due to the big load distribution characteristics of its tower body main material Xtah Crude Clay structure, either raising steel tube component resist flexion capabilities, or enhancing steel tube section bearing capacity, also or reduce system Difficulty of construction is made, has more advantage than pure steel-tube construction, it has also become a development trend of long- span crossing tower structure design.

Due to big design feature opened of crossover tower, section length is longer between the node of tower body supervisor, corresponding height difference It is larger, generally in 20~40m range, and it is more also bigger by bottom height difference；For the cooperative bearing for promoting concrete and steel-tube construction Effect, steel pipe inner wall are typically provided a large amount of lateral, longitudinal stiffeners, or even are furnished with steel structure truss in steel duct, in steel pipe Structure is complicated in portion.

Big height difference and the features such as complicated internal structure between node based on steel pipe, it is conventional leave mode and be difficult to ensure pour Quality, thus use steel pipe center arrangement conduit auxiliary concrete incline from top to bottom fall pour mode, it has also become guarantee coagulation The preferred option of native pouring construction quality.

Conduit is the blanking channel fallen for assisting concreting to incline, to prevent concrete in big height difference and labyrinth Segregation phenomenon is generated in steel pipe, guarantees concrete quality.The total length of conduit need to go deep into 15~35m in steel pipe, consider installation and It is convenient to remove, and conduit uses fixed length merogenesis connection type.Currently, conduit using steel wire set around strapped fixed, in conjunction with chain block, Steel pipe flange mouth position carries out promotion operation, and there are two big disadvantages for this mode: (1) operating efficiency is low, using chain block, is promoted Speed is slow, and the promotion or dismounting of every section conduit are both needed to manually bind point in secondary cucurbit and the conduit switched of steel duct；(2) Operational safety is not high, and operating personnel carries out the promotion operation of conduit in steel duct restricted clearance, if erect-position is incorrect, holds Personnel easily occur and block wound.

Utility model content

The technical problems to be solved in the utility model and the technical assignment of proposition be prior art is carried out improve with It improves, the conduit lifting device for the perfusion of power transmission tower concrete filled steel tube high-altitude is provided, to improve operating efficiency and safe operation The purpose of property.For this purpose, the utility model takes following technical scheme.

For power transmission tower concrete filled steel tube high-altitude perfusion conduit lifting device, it is characterised in that: including pedestal, bracket, Wire rope block group, conduit hold-down support, hoisting mechanism, the bracket, wire rope block group, conduit hold-down support, elevator Mechanism is set on pedestal；The pedestal includes bottom frame, and the bottom frame is equipped with the elongated slot for wearing connector in quadrangle, Bottom frame is fixed on the flange of crossover tower tower body steel pipe by connector, and the bracket is vertically set on bottom frame, the branch Frame is equipped with wire rope block group；The conduit hold-down support includes fixed frame, connecting rod, and the connecting rod passes through company Fitting is detachably connected on fixed frame, and the fixed frame is equipped with the guide hole to match with conduit, the conduit The size in hole is greater than conduit diameter, and is less than and is set to supravasal clip.The technical program improve conduit merogenesis decentralization installation with Merogenesis promotes the operating efficiency removed, and increases the safety of catheter manipulation.If elongated slot facilitates wearing for connector, bottom frame is improved The reliability of connection.

As further improving and supplementing to above-mentioned technical proposal, the utility model further includes that following supplementary technology is special Sign.

Backing plate is additionally provided on the bottom frame, the backing plate is equipped with stud bolt hole, and stud passes through flange from bottom to up The stud bolt hole rear thread attaching nut of circular hole, the elongated slot of bottom frame, backing plate.Flange is equipped with multiple circular holes, and circular hole is for wearing spiral shell Bottom frame is reliably fixed on flange by column, the technical program.

The bottom frame includes outer beam, is located in the middle two bolsters, and the length of bolster is greater than outer beam, and two bolsters are parallel Setting, two bolsters are equipped with the conduit hold-down support, hoisting mechanism.

The conduit hold-down support is removably placed on bolster.

The bracket includes main strut, rear pole, crossbeam, upper hound, hanging board, round bar pole-climbing, the main branch Bar is two, and two main struts are vertically set on bolster, and the tops of two main struts is equipped with crossbeam, on the main strut of below the crossbeam Equipped with more pole-climbings disposed in parallel；The rear pole is angularly disposed, and rear pole is arranged in a crossed manner with main strut, the top of rear pole Portion is equipped with the upper hound, and the top of upper hound is connected by hanging board with crossbeam.

The hanging board and beam vertical is arranged, and the lower section of hanging board is equipped with the wire rope block group.

Hound is symmetrically set in the two sides of hanging board on two；The lower end of hound is fixedly connected with rear pole upper end, described Rear pole lower end be set to bolster end.

The wire rope block group includes upper joining shackle, upper lifting block, lower lifting block, lower joining shackle, steel Cord, fairlead；The upper lifting block is connected by upper joining shackle with hanging board；The lower lifting block with it is upper The wirerope for lifting is set between lifting block, the wirerope that hoisting mechanism stretches out passes through fairlead and upper lifting block phase Even.

It is set gradually in the length direction hoisting mechanism, conduit hold-down support, bracket of bolster, the hoisting mechanism is equipped with Elevator pedestal, the elevator gear-box on pedestal, motor, elevator cheese, the elevator cheese by elevator gear-box with Motor is connected, and passes through the lifting of lifting block under motor driven.

The utility model has the advantages that the technical program, which improves conduit merogenesis decentralization installation, promotes the operating efficiency removed with merogenesis, and increase Add the safety of catheter manipulation.

The technical program effectively combines the plane and flange bolt hole of steel pipe top flange, and reasonable Arrangement pedestal, mentions bracket Wire rope block group, hold-down support, elevator etc. are risen, realizes that the conduit installation of electric traction machinery means and folding remove.

Platform and lifting system is arranged by being responsible for upper flange end face in steel pipe in the technical program, and constructing operation personnel is allowed to stand On platform, can conveniently successfully realize concrete filled steel tube blanking conduit installation and dismounting, effectively avoid construction personnel into Enter steel duct enclosure space operation, utmostly reduces construction operation security risk；Using the conduit with outer wall clip, pass through The hold-down support of half opening formula cooperates, and by electronic winding plant, realizes that the merogenesis decentralization installation of conduit is promoted with merogenesis and removes, It avoids manpower from pulling cucurbit, labor operation intensity is effectively reduced；Using the bottom that fixing bolt hole site is adjusted with strip grooves hole Seat, adapts to and meets the mating connection request of each specification steel pipe flange.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the schematic diagram of base structure of the utility model.

In figure: 1- pedestal；101- bottom frame；102- fixing bolt；103- backing plate；104- bolster；2- bracket；The main branch of 201- Bar；202- rear pole；203- crossbeam；The upper hound of 204-；205- hanging board；206- pole-climbing；3- wire rope block group；On 301- Joining shackle；The upper lifting block of 302-；Lifting block under 303-；Joining shackle under 304-；305- wirerope；306- guiding is slided Vehicle；4- conduit hold-down support；401- fixed frame；402- is detachably connected bar；403- connection bolt；5- hoisting mechanism；501- Elevator cheese；502- elevator gear-box；503- elevator motor；6- conduit；7- clip；8- flange.

Specific embodiment

The technical solution of the utility model is described in further detail below in conjunction with Figure of description.

It is a kind of for power transmission tower concrete filled steel tube high-altitude perfusion conduit lifting device, by 1 part of pedestal, 2 part of bracket, The composition such as 3 part of wire rope block group, 4 part of conduit hold-down support, hoisting mechanism 5, as shown in Figure 1.

Wherein: 1 part of conduit lifting device pedestal is mainly made of bottom frame 101, fixing bolt 102, backing plate 103, such as Fig. 2 It is shown.Bottom frame 101 is welded as frame entirety using square steel, channel steel, and arranges strip slot in corner location, for arranging bottom frame Bolt 102 is connected and fixed between 101 and steel pipe flange 8.The specific location of strip slot is then by the bolt of each steel pipe flange of tower body Hole site is comprehensive to be determined, to meet the mating connection request of each specification flange.Fixing bolt 102 is worn from bottom to top, passes through tower body 101 strip slot of steel pipe flange and bottom frame, after adding backing plate 103, lifting device pedestal 1 is fixed on tower body steel by tightening nuts Plane on pipe flange 8.Bottom frame 101 includes outer beam, is located in the middle two bolsters 104, and the length of bolster 104 is greater than outer beam, and two Root bolster is arranged in parallel, and two bolsters 104 are equipped with conduit hold-down support 4, hoisting mechanism 5.

2 part of conduit lifting device bracket mainly by main strut 201, rear pole 202, crossbeam 203, upper hound 204, hang Hanging plate 205, round bar pole-climbing 206 form.Using materials such as square steel, channel steel, steel plate, round steel, each component is welded as entirety, main strut 201 weld with 202 bar of rear pole and lifting device pedestal 1.Two main struts 201 and crossbeam 203 form the whole vertical weldering of box It is connected on lifting device pedestal 1, two rear poles 202 is welded in the middle part of main strut 201, oblique be welded in 202 lower end of rear pole mentions It rising on device pedestal 1, supporting & stablizing is served to entire main strut 201, two upper hounds 204 are welded in 202 upper end of rear pole, Folder weldering supports hanging board 205 after the bent pre-bending of upper 204 fire of hound, is welded on crossbeam 203 on rear side of hanging board 205, in two masters Arrangement welding round steel pole-climbing 206 between strut 201 is climbed up and down for operating personnel.

3 part of conduit boom hoist cable tackle pulley is mainly by upper joining shackle 301, upper lifting block 302, lower lifting block 303, lower joining shackle 304, wirerope 305, fairlead 306 form, and upper lifting block 302 is connected by upper joining shackle 301 It connects on the hanging board 205 for being installed on lifting device bracket 2, lower lifting block 303 is connected and installed in by lower joining shackle 304 and is led Guan Shang connects wirerope 305 between upper and lower lifting block 302,303, forms tackle pulley, 305 tail rope of wirerope is through the main branch of bracket 2 The fairlead 306 of 201 bottom of bar introduces elevator cheese 501.

4 part of conduit hold-down support mainly by fixed frame 401, be detachably connected bar 402, connection bolt 403 etc. forms, Fixed frame 401 is welded as entirety using channel steel, a side opening, and grade size of opening between channel steel is matched with catheter outer diameter, is slightly larger than Catheter outer diameter, but be less than 7 diameter of clip that welds on conduit, when conduit falls, clip 7 can effectively detent in fixed frame On 401, the weight of conduit is born by fixed frame 401,401 open side of fixed frame is installed detachably by connecting bolt 403 Connecting rod 402 prevents conduit from skidding off fixed frame 401 by open side.

Hoisting mechanism 5 is mainly made of elevator cheese 501, elevator gear-box 502, elevator motor 503, as shown in Figure 1.Volume It raises mechanism 5 to be fixed on lifting device pedestal 1, rolls up electromechanical machine 503 by being driven by electricity, elevator is driven by elevator gear-box 502 The rotation of cheese 501 is tightened or is loosened wirerope 305, and then drives moving up and down for boom hoist cable tackle pulley 3, thus real The promotion of existing conduit unclasps.

A kind of working method of conduit lifting device for the perfusion of power transmission tower concrete filled steel tube high-altitude is to promote conduit Plane on the tower body steel pipe flange to concrete perfusion section is fixed in device integral installation.Specifically includes the following steps:

The decentralization installation of 6 merogenesis of conduit: 1. driving elevator motor 503, and lifting first segment conduit from top to bottom, is fixed along conduit It is slowly transferred in square hole in support 4, until the clip 7 of conduit outer wall is fallen on conduit hold-down support 4, i.e. conduit self weight passes through Clip 7, hold-down support, lifting device pedestal 1 are transmitted on tower body steel pipe, until boom hoist cable tackle pulley 3 does not stress；2. solving The binding connecting rope for opening lifting block 303 and conduit 6 under boom hoist cable tackle pulley 3, changes and hangs the second section conduit, lead with first segment After the completion of pipe connection, continues to drive 503 tensioning hoisting cheese 501 of elevator motor, the second section and first segment conduit is integrally improved, Until 7 height and position of clip of first segment conduit is higher by hold-down support, i.e., the self weight of conduit is all by 305 coaster of boom hoist cable Group undertakes；3. easing out the connection bolt 403 that conduit hold-down support 4 is detachably connected on bar 402, opening for fixed frame 401 is opened Mouthful, hold-down support is temporarily removed, avoids influencing conduit decentralization；4. driving elevator motor 503 eases out elevator cheese 501, by the The 7 height and position pine of clip of one section conduit is lower than conduit hold-down support 4, restores installation conduit hold-down support 4 again, continues to ease out Elevator cheese 501, until the clip 7 of the second section conduit outer wall is fallen on conduit hold-down support 4.So by 2. to 4. the step of it is complete Cheng Yijie conduit spreading transfers work, and the decentralization installation of subsequent spreading repeats 2. -3. -4. step.

6 merogenesis of conduit, which is promoted, to be removed: 503 tensioning hoisting cheese 501 of elevator motor is 1. driven, by first segment (from top to bottom) 7 height and position of clip of conduit, which is received, is higher than conduit hold-down support 4, eases out the company that conduit hold-down support 4 is detachably connected on bar 402 Connecting bolt 403 opens the opening of fixed frame 401, hold-down support is temporarily removed, and avoiding, which influences conduit, is promoted；2. continuing to drive Dynamic 503 tensioning hoisting cheese 501 of elevator motor, conduit is integrally improved, until 7 height and position of clip of the second section conduit is higher by Hold-down support restores installation conduit hold-down support 4 again；3. slowly driving elevator motor 503 eases out elevator cheese 501, until The clip 7 of second section conduit outer wall is fallen on conduit hold-down support 4, i.e. conduit self weight passes through clip 7, hold-down support, promotion dress Bottom set seat 1 is transmitted on tower body steel pipe, until boom hoist cable tackle pulley 3 does not stress；4. unlocking under boom hoist cable tackle pulley 3 The binding connecting rope of lifting block 303 and first segment conduit removes first segment conduit, boom hoist cable tackle pulley 3 is changed and is tied up On second section conduit.So by 1. to 4. the step of complete a section conduit and promoted to remove work, repetition is removed in subsequent promotions 1. -2. -3. -4. step.

Figure 1 above, conduit lifting device and working method shown in 2 for the perfusion of power transmission tower concrete filled steel tube high-altitude are Specific embodiment of the utility model has embodied the utility model substantive distinguishing features outstanding and marked improvement, can basis It is actual that under the enlightenment of the utility model, the equivalent modifications of shape, structure etc. are carried out to it using needs, at this The column of the protection scope of scheme.

Claims (9)

1. A conduit lifting device for high-altitude pouring of steel pipe concrete in transmission towers, characterized in that it includes a base, a bracket, a wire rope tackle group, a conduit fixing support, a hoisting mechanism, the support, a wire rope tackle group, a conduit fixing support, The hoisting mechanism is set on the base; the base includes a bottom frame, and the four corners of the bottom frame are provided with long grooves for piercing connectors, and the bottom frame is fixed on the flange of the steel pipe spanning the tower body through the connectors , the support is vertically arranged on the bottom frame, and the support is provided with a wire rope pulley group; the conduit fixing support includes a fixed frame and a connecting rod, and the connecting rod is detachably connected by a connecting piece On the fixed frame, the fixed frame is provided with a conduit hole matched with the conduit, and the size of the conduit hole is larger than the diameter of the conduit and smaller than the clip on the conduit. 2. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 1, characterized in that: the bottom frame is also provided with a backing plate, and the backing plate is provided with stud holes, The studs pass through the round holes of the flange, the long slots of the bottom frame, and the stud holes of the backing plate from bottom to top, and then thread the nuts. 3. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 2, characterized in that: the bottom frame includes an outer beam and two supporting beams in the middle, and the length of the supporting beam is longer than that of the outer beam , two supporting beams are arranged in parallel, and the above-mentioned conduit fixing supports and hoisting mechanisms are arranged on the two supporting beams. 4. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 3, characterized in that: the conduit fixing support is detachably placed on the support beam. 5. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 4, characterized in that: the support includes a main strut, a rear strut, a beam, an upward slanting strut, a hanging plate, Round pole climbing pole, the main support pole is two, the two main support poles are vertically arranged on the bearing beam, the top of the two main support poles is provided with a crossbeam, and the main pole below the crossbeam is provided with a plurality of Climbing poles arranged in parallel; the rear struts are arranged obliquely, the rear struts and the main struts are intersected, and the top of the rear struts is provided with the above-mentioned upwards The plates are connected to the beams. 6. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 5, characterized in that: the hanging plate is vertically arranged with the crossbeam, and the steel wire rope pulley group is arranged under the hanging plate . 7. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 6, characterized in that: two upper diagonal braces are symmetrically arranged on both sides of the hanging plate; the lower ends of the diagonal braces and the rear braces The upper end is fixedly connected, and the lower end of the rear brace is arranged at the end of the bolster. 8. The conduit hoisting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 7, characterized in that: the wire rope block group includes an upper connection shackle, an upper lifting block, a lower lifting block, and a lower connecting block. shackles, wire ropes, and guide blocks; the upper lifting block is connected to the hanging plate through the upper connection shackle; a steel wire rope for lifting is set between the lower lifting block and the upper lifting block, and the hoisting mechanism extends The outgoing steel wire rope is connected with the upper lifting block through the guide block. 9. The conduit lifting device for high-altitude pouring of steel pipe concrete for transmission towers according to claim 8, characterized in that: the hoisting mechanism, the conduit fixing support, and the bracket are arranged in sequence in the length direction of the bolster, and the hoisting mechanism is set There are a hoisting base, a hoisting gear box located on the base, a motor, and a hoisting rope reel. The hoisting rope drum is connected to the motor through the hoisting gear box, and the hoisting tackle is driven up and down by the motor.