CN213834229U

CN213834229U - Pipe joint installation lifting appliance

Info

Publication number: CN213834229U
Application number: CN202022680132.7U
Authority: CN
Inventors: 刘彪
Original assignee: Jiangsu Provincial Transportation Engineering Group Co Ltd
Current assignee: Jiangsu Provincial Transportation Engineering Group Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-30
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a pipe coupling installation hoist relates to the technical field of pipe coupling transportation, and it includes the davit, the davit includes upper boom, lower cantilever and is used for connecting the linking arm of upper boom and lower cantilever, the one end that the linking wall was kept away from to the upper boom is provided with the balance weight, the one end that the linking wall was kept away from to the upper boom is provided with the mounting bracket that is used for placing the balance weight, mounting bracket and lower cantilever parallel arrangement, the mounting bracket internal rotation is connected with the lead screw that extends along mounting bracket length direction, first fixed block is installed to the lateral wall of balance weight, first fixed block threaded connection just slides in the lead screw along the axial of lead screw in the lead screw; and a driving assembly for driving the screw rod to rotate is arranged in the mounting frame. This application has the effect of being convenient for hoist and mount different length tube couplings.

Description

Pipe joint installation lifting appliance

Technical Field

The application relates to the technical field of pipe joint transportation, in particular to a pipe joint installation lifting appliance.

Background

At present, relate to a large amount of pipe joints transportation in the construction, during actual construction, often because space restriction scheduling problem need carry out vertical hoist and mount to large-scale pipe joint, the mode of the vertical hoist and mount commonly used at present includes: one mode is that a steel wire rope is directly sleeved on a pipe joint for hoisting; the other mode is that a lifting lug is welded at one end of the pipe joint for hoisting, and the lifting lug is cut off after hoisting is finished.

The relevant art can refer to the chinese utility model patent that the grant bulletin number is CN203568684U, and it discloses a roll up board hoist, including lug, C type lifting hook frame and balance weight, C type lifting hook frame includes cantilever, lower cantilever and connects the linking arm of upper cantilever and lower cantilever, upper cantilever, linking arm and cantilever integrated into one piece down, be equipped with the lug on the upper cantilever, the tip welding of upper cantilever has balance weight, the internal surface of cantilever is the arc down, the tip of cantilever internal surface is equipped with arc fender utensil down, the inboard that arc fender utensil was equipped with the protection pad.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the balance weight of the device is welded at the end part of the upper cantilever, so when the lifting appliance is used for lifting pipe joints with different lengths, the phenomenon that the pipe joints are toppled due to unstable gravity center can occur.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the pipe joint of hoist different length, this application provides a pipe joint installation hoist.

The application provides a section of pipe installation hoist adopts following technical scheme:

a pipe joint installation lifting appliance comprises a lifting arm, wherein the lifting arm comprises an upper cantilever, a lower cantilever and a connecting arm used for connecting the upper cantilever and the lower cantilever, a balance weight is arranged at one end, away from a connecting wall, of the upper cantilever, an installation frame used for placing the balance weight is arranged at one end, away from the connecting wall, of the upper cantilever, the installation frame is arranged in parallel with the lower cantilever, a lead screw extending along the length direction of the installation frame is rotatably connected in the installation frame, a first fixed block is installed on the side wall of the balance weight, and the first fixed block is in threaded connection with the lead screw and slides on the lead screw along the axial direction of the lead screw; and a driving assembly for driving the screw rod to rotate is arranged in the mounting frame.

Through adopting above-mentioned technical scheme, when the pipe section of hoist different length, operating personnel accessible drive assembly makes the lead screw rotate, and the lead screw rotates the first fixed block of drive and drives the length direction removal of balance weight along the mounting bracket to follow the focus of horizontal direction adjustment davit, and then improve the stability of davit hoist and mount pipe section.

Preferably, the driving assembly comprises a rotating shaft which is rotatably connected to the side wall of the mounting frame, a first gear which is sleeved and fixed on the side wall of the rotating shaft, a second gear which is sleeved and fixed on the side wall of the lead screw, and a hand wheel which is fixedly connected to one end of the rotating shaft, wherein the first gear is meshed with the second gear; and the hand wheel is provided with a limiting part.

Through adopting above-mentioned technical scheme, when needs make the lead screw take place to rotate, operating personnel rotates the hand wheel drive axis of rotation and rotates, and the first gear of axis of rotation drive rotates, and first gear rotation drive second gear rotates, and the second gear rotation drive lead screw rotates.

Preferably, one end of the upper cantilever is fixedly connected with the end part of the connecting arm far away from the lower cantilever, and the other end of the upper cantilever extends towards the direction far away from the lower cantilever.

Through adopting above-mentioned technical scheme, the upper boom slope is provided with the focus that does benefit to and improves balance weight to stability during further improvement davit hoist and mount pipeline.

Preferably, go up and be provided with coupling assembling between cantilever and the mounting bracket, coupling assembling includes that the rigid coupling keeps away from the T word steel of connecting the wall terminal surface and the I-steel that the rigid coupling is close to the cantilever lateral wall in the mounting bracket in last cantilever, the terminal surface butt of T word steel and I-steel just passes through the bolt fastening.

Through adopting above-mentioned technical scheme, can dismantle the connection through the bolt between T word steel and the I-steel, operating personnel moves the bolt through twisting alright with mounting bracket and davit separation to be convenient for change the weight of balance weight, and then be convenient for hoist and mount the pipe coupling of different weight.

Preferably, the side wall of the T-shaped steel is provided with an oval hoisting hole.

Through adopting above-mentioned technical scheme, oval-shaped hoisting hole is convenient for carry on spacingly to the lifting hook of hoist, takes place gliding probability from the hoisting hole that has reduced lifting hook and T word steel to improve the stability of being connected between lifting hook and the T word steel.

Preferably, the locating part is a bolt, a limiting hole is formed in the side wall of the mounting frame, and one end of the bolt penetrates through the side wall of the hand wheel and is connected with the limiting hole of the mounting frame in an inserting mode.

Through adopting above-mentioned technical scheme, when adjusting the balance weight to suitable position, operating personnel passed the lateral wall of hand wheel with the bolt and injects spacing downthehole this moment to alright carry on spacingly to the hand wheel, and then be convenient for carry on spacingly to the balance weight.

Preferably, the inner wall rigid coupling of mounting bracket has the guide arm parallel with the lead screw, the lateral wall that first fixed block was kept away from to the balance weight is installed the second fixed block, the guide arm runs through the setting of second fixed block, the second fixed block slides in the guide arm along the axial of guide arm.

Through adopting above-mentioned technical scheme, the setting of guide arm, firstly, it has reduced the balanced counter weight and has taken place the probability of skew at the axial in-process that slides along the lead screw, and secondly, it has improved the stability of balanced counter weight at the in-process that slides.

Preferably, the inner wall of the I-shaped steel is symmetrically provided with two fastening reinforcing plates.

Through adopting above-mentioned technical scheme, the intensity of I-steel has been strengthened in the setting of two reinforcing plates to improve the joint strength between mounting bracket and the davit, and then reduced the probability of mounting bracket and davit separation.

Preferably, the two side walls of the suspension arm are welded with ring arm reinforcing plates.

By adopting the technical scheme, the arrangement of the two annular arm reinforcing plates enhances the connection strength of the suspension arm, and reduces the probability of deformation of the suspension arm.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when pipe sections with different lengths are hoisted, an operator can rotate the screw rod through the driving assembly, and the screw rod rotates to drive the first fixing block to drive the balance weight to move along the length direction of the mounting frame, so that the gravity center of the suspension arm is adjusted along the horizontal direction, and the stability of the suspension arm in hoisting the pipe sections is improved;

2. the upper cantilever is obliquely arranged, so that the gravity center of the balance weight is favorably improved, and the stability of the suspension arm in hoisting the pipe section is further improved;

can dismantle the connection through the bolt between T word steel and the I-steel, operating personnel through twist the bolt alright with mounting bracket and davit separation to be convenient for change the weight of balance weight, and then be convenient for hoist and mount the pipe coupling of different weight.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial cross-sectional view of a mount in an embodiment of the present application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a suspension arm; 11. an upper cantilever; 12. a lower cantilever; 13. a connecting arm; 2. balancing the balance weight; 3. a mounting frame; 31. a limiting hole; 32. mounting grooves; 4. an adjustment mechanism; 41. a lead screw; 42. a first fixed block; 43. a drive assembly; 431. a rotating shaft; 432. a first gear; 433. a second gear; 434. a hand wheel; 44. a bolt; 45. a guide bar; 46. a second fixed block; 5. a connecting assembly; 51. t-shaped steel; 511. a connecting plate; 5111. hoisting holes; 512. a side plate; 52. i-shaped steel; 521. a first wing plate; 522. a second wing plate; 523. a web; 6. fastening the reinforcing plate; 7. a ring arm reinforcing plate; 8. and (4) pipe joints.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a pipe joint installation lifting appliance. Referring to fig. 1, the pipe section installation spreader comprises a boom 1, a mounting frame 3, a balance weight 2, an adjustment mechanism 4 and a connection assembly 5. The mounting frame 3 is used for mounting the balance weight 2, the adjusting mechanism 4 is used for adjusting the horizontal position of the balance weight 2, and the connecting assembly 5 is used for connecting the mounting frame 3 and the suspension arm 1.

Referring to fig. 2, the boom 1 includes an upper boom 11, a link arm 13, and a lower boom 12. Lower cantilever 12 level setting, connecting arm 13 and lower cantilever 12 mutually perpendicular, and the bottom of connecting arm 13 and the one end fixed connection of lower cantilever 12, the one end of going up cantilever 11 and the top fixed connection of connecting arm 13, upward cantilever 11 is to the direction slope setting of keeping away from lower cantilever 12. The inclined upper cantilever 11 can improve the gravity center of the boom 1, so that the boom 1 can lift the pipe section 8 more stably. In order to enhance the strength of the boom 1, ring arm reinforcing plates 7 are welded on two sides of the boom 1.

Referring to fig. 2, the mounting frame 3 is a rectangular frame structure, the mounting frame 3 is parallel to the lower cantilever 12, a mounting groove 32 is formed in the mounting frame 3, and the mounting groove 32 of the mounting frame 3 is used for mounting the balance weight 2. The adjusting mechanism 4 is mounted on the mounting frame 3, and the adjusting mechanism 4 includes a screw 41, a first fixing block 42, a driving assembly 43, a limiting member, a guide rod 45, and a second fixing block 46. The first fixing block 42 is mounted on the sidewall of the balance weight 2 by bolts, and the second fixing block 46 is mounted on the sidewall of the balance weight 2 far from the first fixing block 42 by bolts. The lead screw 41 is rotatably connected to the inner wall of the mounting groove of the mounting bracket 3 through a bearing, the axial direction of the lead screw 41 is parallel to the length direction of the mounting bracket 3, and the first fixing block 42 is in threaded connection with the lead screw 41. The guide rod 45 is fixedly connected to the inner wall of the mounting groove of the mounting frame 3, the guide rod 45 is arranged in parallel with the lead screw 41, the guide rod 45 penetrates through the second fixing block 46, and the second fixing block 46 slides in the guide rod 45 along the axial direction of the guide rod 45.

Referring to fig. 2 and 3, the driving assembly 43 is used for driving the screw 41 to rotate, the driving assembly 43 includes a rotating shaft 431, a first gear 432, a second gear 433 and a handwheel 434, the rotating shaft 431 is rotatably connected to an end surface of the mounting frame 3 far away from the boom 1 through a bearing, the first gear 432 is sleeved on and fixed to a side wall of the rotating shaft 431, one end of the rotating shaft 431 penetrates through the side wall of the mounting frame 3 and is fixedly connected with the second gear 433, the first gear 432 is meshed with the second gear 433, and in order to rotate the rotating shaft 431, one end of the rotating shaft 431 far away from the mounting frame 3 is fixedly connected with the handwheel 434. Spacing hole 31 has been seted up to the terminal surface that mounting bracket 3 kept away from davit 1, and the locating part is used for spacing hand wheel 434, and the locating part is bolt 44, and the one end of bolt 44 can pass the lateral wall of hand wheel 434 and peg graft with the spacing hole 31 of mounting bracket 3.

Referring to fig. 2, the connecting assembly 5 includes a T-shaped steel 51 and an i-shaped steel 52, the T-shaped steel 51 includes a connecting plate 511 and a side plate 512, the connecting plate 511 and the side plate 512 are integrally formed and perpendicular to each other, and an end of the connecting plate 511 away from the side plate 512 is welded to an end surface of the upper cantilever 11 away from the connecting arm 13. The lateral wall of the connecting plate 511 is provided with an oval hoisting hole 5111, and the hoisting hole 5111 is oval, so that the probability that the lifting hook of the hoisting mechanism slides with the hoisting hole 5111 can be reduced. The I-shaped steel 52 comprises a first wing plate 521, a second wing plate 522 and a web plate 523, wherein the first wing plate 521 is parallel to the second wing plate 522, one end of the web plate 523 is fixedly connected with the side wall of the first wing plate 521, the other end of the web plate 523 is fixedly connected with the side wall of the second wing plate 522, in order to enhance the strength of the I-shaped steel 52, fastening reinforcing plates 6 are fixedly connected to the inner side walls, opposite to the first wing plate 521 and the second wing plate 522, of the first wing plate 521, the two fastening reinforcing plates 6 are symmetrically arranged on two sides of the web plate 523, and the side wall of each fastening reinforcing plate 6 is fixedly connected with the side wall of the web plate 523. The cross sections of the two fastening reinforcing plates 6 and the web 523 are in a cross shape. The side wall of the first wing plate 521 far away from the web 523 is fixedly connected with the end surface of the mounting frame 3 close to the suspension arm 1, and the side wall of the second wing plate 522 far away from the web 523 is fixedly connected with the side wall of the side plate 512 far away from the connecting plate 511 through bolts.

The implementation principle of a pipe joint installation hoist of this application embodiment does: when hoisting pipe joints 8 of different lengths, the operator can rotate the handwheel 434 to drive the rotating shaft 431 to rotate, the rotating shaft 431 drives the first gear 432 to rotate, the first gear 432 drives the second gear 433 to rotate, the second gear 433 drives the screw rod 41 to rotate, the balance weight 2 slides along the length direction of the mounting rack 3 under the combined action of the screw rod 41, the first fixing block 42, the second fixing block 46 and the guide rod 45, so that the center of gravity of the suspension arm 1 in the horizontal direction can be adjusted, and the stability of the suspension arm 1 in hoisting the pipe joints 8 is improved. Secondly, the mounting frame 3 can be separated from the suspension arm 1 by screwing the bolt, so that the balance weights 2 with different weights can be replaced conveniently, and the pipe sections 8 with different lengths can be hoisted conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipe coupling installation hoist, includes davit (1), davit (1) includes cantilever (11), lower cantilever (12) and is used for connecting linking arm (13) of connecting cantilever (11) and lower cantilever (12), the one end of going up cantilever (11) and keeping away from linking arm (13) is provided with balance weight (2), its characterized in that: an installation frame (3) used for placing a balance weight (2) is arranged at one end, away from the connecting arm (13), of the upper cantilever (11), the installation frame (3) is arranged in parallel with the lower cantilever (12), a lead screw (41) extending along the length direction of the installation frame (3) is connected in the installation frame (3) in a rotating mode, a first fixing block (42) is installed on the side wall of the balance weight (2), and the first fixing block (42) is connected to the lead screw (41) in a threaded mode and slides on the lead screw (41) along the axial direction of the lead screw (41); and a driving assembly (43) for driving the screw rod (41) to rotate is arranged in the mounting rack (3).

2. The pipe joint installation hanger of claim 1, wherein: the driving assembly (43) comprises a rotating shaft (431) rotatably connected to the side wall of the mounting frame (3), a first gear (432) sleeved and fixed on the side wall of the rotating shaft (431), a second gear (433) sleeved and fixed on the side wall of the lead screw (41) and a hand wheel (434) fixedly connected to one end of the rotating shaft (431), wherein the first gear (432) is meshed with the second gear (433); the hand wheel (434) is provided with a limiting piece.

3. The pipe joint installation hanger of claim 1, wherein: one end of the upper cantilever (11) is fixedly connected with the end part of the connecting arm (13) far away from the lower cantilever (12), and the other end of the upper cantilever (11) extends towards the direction far away from the lower cantilever (12).

4. The pipe joint installation hanger of claim 2, wherein: go up and be provided with coupling assembling (5) between cantilever (11) and mounting bracket (3), coupling assembling (5) include that the rigid coupling is close to I-steel (52) of last cantilever (11) lateral wall in mounting bracket (3) T word steel (51) and the rigid coupling of connecting the wall terminal surface are kept away from in last cantilever (11), T word steel (51) just pass through the bolt fastening with the terminal surface butt of I-steel (52).

5. A pipe section installation spreader according to claim 4, wherein: the side wall of the T-shaped steel (51) is provided with an oval hoisting hole (5111).

6. The pipe joint installation hanger of claim 2, wherein: the locating part is bolt (44), spacing hole (31) have been seted up to the lateral wall of mounting bracket (3), the lateral wall that the one end of bolt (44) runs through hand wheel (434) is pegged graft with spacing hole (31) of mounting bracket (3).

7. The pipe joint installation hanger of claim 1, wherein: the inner wall rigid coupling of mounting bracket (3) has guide arm (45) parallel with lead screw (41), the lateral wall that first fixed block (42) was kept away from in balance weight (2) is installed second fixed block (46), second fixed block (46) setting is run through in guide arm (45), axial slide in guide arm (45) along guide arm (45) is followed in second fixed block (46).

8. A pipe section installation spreader according to claim 4, wherein: the inner wall of the I-shaped steel (52) is symmetrically provided with two fastening reinforcing plates (6).

9. The pipe joint installation hanger of claim 1, wherein: and two side walls of the suspension arm (1) are welded with ring arm reinforcing plates (7).