CN213085201U

CN213085201U - Switch hoist

Info

Publication number: CN213085201U
Application number: CN202021037294.2U
Authority: CN
Inventors: 唐军智; 徐小玉; 张刚; 关红利; 吴明钱; 田红利
Original assignee: Xingping West Iron Road Maintenance Machinery Co ltd
Current assignee: Xingping West Iron Road Maintenance Machinery Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-04-30
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a switch hoist relates to lifting device technical field. The technical key points are as follows: including the left beam body, the right beam body, the left beam body can be dismantled with the right beam body and be connected, all be provided with rings on the left beam body and the right beam body, all be provided with flexible suspender on the left beam body and the right beam body, be provided with the adjusting part who adjusts flexible suspender length on the left beam body and the right beam body. The utility model has the advantages of conveniently lift by crane the switch.

Description

Switch hoist

Technical Field

The utility model belongs to the technical field of the lifting device technique and specifically relates to a switch hoist is related to.

Background

The turnout is a line connecting device for switching a locomotive vehicle from one track to another track, is one of weak links of a track, is usually laid in a large number in a station and a marshalling station, has the turnout, can give full play to the passing capacity of the track, and can be used for running a train in opposite directions even if the turnout is laid on a single-track railway and a cross track with the length larger than that of the train is constructed, and the turnout plays an important role on the railway track.

Chinese utility model patent that bulletin number is CN201842572U discloses a railway ballastless track switch board hoist, it is by the main frame roof beam, the lifting hook subassembly, the adjustment subassembly is constituteed, the main frame roof beam is square frame, the lifting hook roof beam is a plurality of parallel beam of erectting in the main frame roof beam top, middle lifting hook beam welds on the main frame roof beam, the lifting hook roof beam of both sides is adjustable with the main frame roof beam through the adjustment subassembly and is connected, the lifting hook unit mount is in the lifting hook roof beam below, the lower extreme of lifting hook subassembly is connected with switch board connecting piece.

The above prior art solution has the following drawbacks: when the lifting appliance lifts the turnout, the turnout has larger gravity, the lifting appliance is not stressed uniformly, the turnout can shake, and the turnout is inconvenient to lift.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a switch hoist, it has the advantage that conveniently lifts by crane the switch.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a switch hoist, includes the left beam body, the right beam body, the left beam body can be dismantled with the right beam body and be connected, all be provided with rings on the left beam body and the right beam body, all be provided with flexible suspender on the left beam body and the right beam body, be provided with the adjusting part who adjusts flexible suspender length on the left beam body and the right beam body.

Through adopting above-mentioned technical scheme, during the hoist and mount switch, at first the lifting hook through two cranes of set of cars hangs on the rings that the hoist both ends were equipped with, place the hoist in the switch top, then penetrate the switch with the flexible suspender that is equipped with on the hoist, lift by crane the switch, but because the uneven length that leads to each flexible suspender to hang the dress flexible suspender in the switch back of the inhomogeneous in cross-section of switch probably inequality, the length of adjusting part through being equipped with arbitrary regulation flexible suspender makes the switch that adapts to different cross-sections, the hoisting of switch has been made things convenient for.

The present invention may be further configured in a preferred embodiment as: the adjusting part comprises a rotary drum, a ratchet wheel, a pawl and two supporting plates, wherein the supporting plates are arranged along the vertical direction and are fixedly connected with the upper surface of the left beam body and the right beam body, the rotary drum is positioned between the two supporting plates and is rotationally connected with the two supporting plates, the rotating shaft of the rotary drum runs through the supporting plates and the ratchet wheel, the side walls of the supporting plates are provided with connecting blocks, the pawl is arranged on the connecting blocks, the pawl is positioned below the ratchet wheel, a spring is arranged between the pawl and the connecting blocks along the vertical direction, one end of the spring is fixedly connected with the upper surface of the connecting blocks, the other end of the spring is fixedly connected with the pawl, the ratchet wheel is meshed with the pawl, one end of the rotary drum is fixedly connected with a rotary rod, and a fixing component for fixing the.

Through adopting above-mentioned technical scheme, when the length of suspender is adjusted to needs, at first, fix flexible suspender on the rotary drum through the fixed subassembly that is equipped with, then the dwang rotates and drives the rotary drum and rotate, the rotary drum rotates and drives the ratchet and rotates, the rotary drum rotates and twines the unnecessary part of flexible suspender on the rotary drum, after adjusting suitable length with flexible suspender, the pawl through being equipped with locks the ratchet, the rotation no longer takes place for the rotary drum this moment, when the flexible suspender needs to be elongated, open the pawl, the contrarotation dwang, loosen the flexible suspender of winding on the rotary drum, the pawl receives the effect of spring elastic force to be close to the ratchet all the time, moreover, the steam generator is simple in.

The present invention may be further configured in a preferred embodiment as: the rotary drum is provided with a pressing groove, the fixing assembly comprises a pressing strip and a positioning bolt, the pressing strip is located in the pressing groove, one end of the pressing strip is rotatably connected with the pressing groove, the positioning bolt is located at the other end of the pressing strip, and a threaded hole matched with the positioning bolt is formed in the pressing groove.

Through adopting above-mentioned technical scheme, when fixing flexible suspender, at first open the positioning bolt who is equipped with on compressing tightly the strip, then rotate and compress tightly the strip, put into the flexible suspender and compress tightly the groove after, rotate once more and compress tightly the strip and compress tightly flexible suspender, fix flexible suspender through the positioning bolt who is equipped with on compressing tightly the strip and screw hole cooperation, made things convenient for the winding of follow-up flexible suspender on the rotary drum, be convenient for adjust the length of flexible suspender.

The present invention may be further configured in a preferred embodiment as: the lifting ring is provided with four, the number of the flexible hanging strips is six, and the lifting ring and the flexible hanging strips are symmetrically arranged.

Through adopting above-mentioned technical scheme, because when the switch that will play is lighter, only need to transfer two rings and can satisfy the requirement, when the switch that needs lifted by crane is heavier, hang and get four rings that are equipped with, the security of improvement during operation, make things convenient for hanging of switch to get in addition, when setting up to two flexible suspender, thereby the switch can rock because of the inhomogeneous emergence of atress, cause the oblique bending of drawing to hang, the security is poor, consequently, be equipped with six flexible suspender, make the switch atress even, make things convenient for hanging of switch to get, the security performance has also been improved.

The present invention may be further configured in a preferred embodiment as: and clamping grooves used for limiting the hanging strips are formed in two opposite side walls of the left beam body and the right beam body.

By adopting the technical scheme, when the turnout is hoisted by the crane to move and rotate, the flexible hanging strip slides along the side walls of the left beam body and the right beam body, so that the inclined-pulling bent crane is caused, and the turnout is inconvenient to hoist.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a two-way screw rod, including left side roof beam body and right beam body, left side roof beam body and right beam body upper surface are provided with first fixed block, run through two first fixed block is provided with two guide bars, two the first fixed block is provided with two-way screw rod, two-way screw rod rotates with first fixed block to be connected, runs through first fixed block is provided with two guide bars, two guide bar and first fixed block fixed connection, the both ends of guide bar are provided with the second fixed block, run through two-way screw rod is provided with two splint, splint and two-way screw rod threaded connection, splint and guide bar sliding connection, splint are located between the lateral wall of left side roof beam body and right beam body and the second fixed block, the length of splint is greater than the height of left side roof beam body.

Through adopting above-mentioned technical scheme, because place the switch on the flatbed through the hoist after, transport switch to the destination after, still need again by the hoist hang get the hoist, the switch on the flatbed is hung again to the hoist, need extravagant a large amount of labours, the work efficiency is low, therefore, place the switch on the flatbed by the hoist after, rotate two-way screw rod through the hand wheel that is equipped with on the hoist, two-way screw rod drives the splint removal rather than threaded connection, with the fixed position of hoist and switch, only need with rings on the hoist from the hoist take off can, after the switch arrived the destination, made things convenient for the hanging of switch and got, can guarantee the safety of transportation, can hang from the car fast again after reaching the destination and fall, still improved work efficiency.

The present invention may be further configured in a preferred embodiment as: and a rubber pad is arranged on one side surface of the clamping plate, which faces the side wall of the left beam body and the side wall of the right beam body.

Through adopting above-mentioned technical scheme, because the part position of switch is irregular shape, can take place relative slip moreover between splint and the switch, be difficult for fixing switch and hoist, consequently, the rubber pad that is equipped with has increased the frictional force between splint and switch and the hoist, has made things convenient for the fixed of switch and hoist.

The present invention may be further configured in a preferred embodiment as: the flexible sling is sleeved with a wear-resistant sleeve, and the wear-resistant sleeve is connected with the flexible sling in a sliding manner.

Through adopting above-mentioned technical scheme, because when the switch is heavier, when the flexible suspender of hoist was hung and is got the switch, switch part position probably is more sharp, along with the switch remove and hang the in-process of getting, cut off flexible suspender, cause the incident, consequently, the cover is equipped with wear-resisting cover on flexible suspender, has not only prolonged the life of flexible suspender, has improved the security when hanging and getting the switch moreover.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the ratchet wheel, the pawl, the rotating rod and the rotating drum, when the length of the flexible sling needs to be adjusted, the flexible sling is fixed on the rotating drum through the arranged fixing component, then the rotating rod rotates to drive the rotating drum to rotate, the rotating drum drives the ratchet wheel to rotate, the rotating drum rotates to wind the redundant part of the flexible sling on the rotating drum, after the flexible sling is adjusted to a proper length, the ratchet wheel is locked through the arranged pawl, the flexible sling can be adjusted to any length, and the lifting of the lifting appliance to the turnout is facilitated;

2. by arranging the clamping groove, the flexible hanging strip is clamped in the clamping groove and does not slide relative to the left beam body and the right beam body in the process of hoisting the turnout by the hanger, so that the turnout is hoisted by the hanger conveniently;

3. after switch was placed on the flatbed by the hoist through the setting, rotated two-way screw rod through the hand wheel that is equipped with on the hoist and rotated, two-way screw rod drive rather than threaded connection's splint and remove, with the rigidity of hoist and switch, after the switch arrived the destination, made things convenient for the hoist to hang the switch from the flatbed and taken off.

Drawings

Fig. 1 is a schematic overall structure diagram of a turnout spreader in the present embodiment;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is a schematic view of the connection structure of the flexible sling being fixed by the pressing strip;

fig. 5 is an enlarged schematic view of a portion C of fig. 4.

Reference numerals: 1. a left beam body; 2. a right beam body; 3. a hoisting ring; 4. a flexible strap; 5. a rotating drum; 6. a ratchet wheel; 7. a pawl; 8. a support plate; 9. connecting blocks; 10. a spring; 11. a compaction groove; 12. compressing the strips; 13. positioning the bolt; 14. a card slot; 15. a first fixed block; 16. a bidirectional screw; 17. a guide bar; 18. a second fixed block; 19. a splint; 20. a hand wheel; 21. a rubber pad; 22. a wear-resistant sleeve; 23. rotating the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a switch hoist, including the left beam body 1, the right beam body 2, the left beam body 1 can be dismantled through high strength bolt with the right beam body 2 and be connected, is provided with a plurality of strengthening ribs on the left beam body 1 and the right beam body 2, and equal fixedly connected with rings 3 on the left beam body 1 and the right beam body 2 all is connected with flexible suspender 4 on the left beam body 1 and the right beam body 2, is provided with the adjusting part who adjusts flexible suspender 4 on the left beam body 1 and the right beam body 2. When a turnout is hoisted, firstly, the lifting hooks of two cranes of a set of vehicles are hung on lifting rings 3 arranged at two ends of a sling, the sling is placed above the turnout, then flexible lifting belts 4 arranged on the sling are penetrated into the turnout to hoist the turnout, but the lengths of the flexible lifting belts 4 after the flexible lifting belts 4 are hung on the turnout can be different due to the uneven cross section of the turnout, the lengths of the flexible lifting belts 4 can be adjusted randomly through an adjusting component arranged to adapt to the turnout with different cross sections, and when the turnout is heavier, the flexible lifting belts 4 of the sling are used for hoisting the turnout, the positions of the turnout part can be sharper, the flexible lifting belts 4 are cut off in the processes of moving and hoisting the turnout to cause safety accidents, therefore, the flexible lifting belts 4 are sleeved with wear-resistant sleeves 22 which are in sliding connection with the flexible lifting belts 4, and the flexible lifting belts 4, the service life of the flexible sling 4 is prolonged, the safety of the turnout crane in taking is improved, and the turnout is conveniently lifted.

Because when the switch that will be played is lighter, only need to transfer two rings 3 can satisfy the demands, when the switch that needs to lift by crane is heavier, need a plurality of rings 3 to lift by crane, therefore, rings 3 are provided with four, hang and get four rings 3 that are equipped with, the security of during operation is improved, and make things convenient for the lifting of switch to get, when setting up to two flexible suspender 4, thereby the switch can rock because of the inhomogeneous emergence of atress, cause the oblique drawing and bend to hang, the security is poor, therefore, flexible suspender 4 sets up to six, rings 3 and flexible suspender 4 symmetry setting on left beam body 1 and right beam body 2, be equipped with 6 flexible suspender 4, make the switch atress even, make things convenient for the lifting of switch to get, the security performance has also been improved.

Referring to fig. 2, in this embodiment, the adjustment assembly includes a drum 5, a ratchet 6, pawl 7, two backup pads 8 set up and with the upper surface welding of left beam body 1 and right beam body 2 along vertical direction, rotary drum 5 is located between two backup pads 8 and rotates rather than being connected, the pivot of rotary drum 5 runs through backup pad 8 and the coaxial and welding of ratchet 6, the lateral wall welding of backup pad 8 has connecting block 9, it is connected with pawl 7 to rotate on the connecting block 9, pawl 7 is located the below of ratchet 6, be connected with spring 10 along vertical direction between pawl 7 and the connecting block 9, the one end and the connecting block 9 upper surface welding of spring 10, the other one end and the pawl 7 welding of spring 10, ratchet 6 and the meshing of pawl 7, bolt fixedly connected with dwang 23 is passed through to the one end that ratchet 6 was kept away from to rotary drum 5, be provided with the fixed subassembly of flexible suspender 4 on the rotary. When the length of suspender needs to be adjusted, at first, fix flexible suspender 4 on rotary drum 5 through the fixed subassembly that is equipped with, then dwang 23 rotates and drives rotary drum 5 and rotate, rotary drum 5 rotates and drives ratchet 6 and rotates, rotary drum 5 rotates and twines the unnecessary part of flexible suspender 4 on rotary drum 5, after adjusting suitable length with flexible suspender 4, pawl 7 through being equipped with locks ratchet 6, rotary drum 5 no longer takes place to rotate this moment, when flexible suspender 4 is elongated to needs, open pawl 7, counter-rotation dwang 23, loosen flexible suspender 4 of winding on rotary drum 5, pawl 7 receives the effect of spring 10 elasticity all the time and is close to ratchet 6, moreover, the steam generator is simple in structure, easy operation, and the security is high.

Because the hoist hangs when getting the switch and remove and rotate, flexible suspender 4 takes place to slide with the lateral wall of the left beam body 1 and the right beam body 2, cause the diagonal draw bending to hang, inconvenient the lifting of switch, consequently, all offer on two relative lateral walls of the left beam body 1 and the right beam body 2 and be used for the spacing draw-in groove 14 of suspender, draw-in groove 14 of offering on two relative lateral walls of the left beam body 1 and the right beam body 2, make the switch remove and rotate the in-process, flexible suspender 4 can not take place to slide, made things convenient for the lifting of switch to get.

Referring to fig. 3, after the turnout is placed on the flat car by the sling and transported to a destination, the sling needs to be lifted by the crane again, the sling lifts the turnout on the flat car again, a large amount of labor is wasted, and the working efficiency is low, therefore, the upper surfaces of the left beam body 1 and the right beam body 2 are welded with the first fixed blocks 15, the two-way screw rods 16 are rotatably connected through the two first fixed blocks 15, the two-way screw rods 16 are rotatably connected with the first fixed blocks 15, the two guide rods 17 are arranged through the first fixed blocks 15, the two guide rods 17 are welded with the first fixed blocks 15, the two ends of the guide rods 17 are fixedly connected with the second fixed blocks 18, the two clamping plates 19 are connected through the two-way screw rods 16 by screw threads, the clamping plates 19 are positioned between the side walls of the beam body and the right beam body 2 and the second fixed blocks 18, the length of the clamping plates 19 is greater, a hand wheel 20 is arranged at one end of the screw rod and penetrates through the second fixing block 18. After the turnout is placed on a flat car by a lifting appliance, a hand wheel 20 arranged on the lifting appliance rotates a bidirectional screw rod 16 to rotate, the bidirectional screw rod 16 drives a clamping plate 19 connected with the bidirectional screw rod to move, the lifting appliance and the turnout are fixed in position, part of the turnout is irregular in shape, relative sliding can occur between the clamping plate 19 and the turnout, and the turnout and the lifting appliance are not easy to fix, therefore, the clamping plate 19 is pasted with a rubber pad 21 (see figure 1) towards one side surface of the side wall of a left beam body 1 and a right beam body 2, the friction force between the clamping plate 19 and the turnout and the lifting appliance is increased by the arranged rubber pad 21, only a lifting ring 3 on the lifting appliance needs to be taken down from a crane, after the turnout arrives at a destination, the lifting of the turnout is convenient, the safety of transportation can be ensured, the turnout can be quickly lifted down from the.

Referring to fig. 4 and 5, a pressing groove 11 is formed in the rotary drum 5, in this embodiment, the fixing assembly includes a pressing strip 12 and a positioning bolt 13, the pressing strip 12 is located in the pressing groove 11, one end of the pressing strip 12 is rotatably connected with the pressing groove 11, the positioning bolt 13 is located at the other end of the pressing strip 12, a threaded hole matched with the positioning bolt 13 is formed in the pressing groove 11, when the flexible hanging strip 4 is fixed, the positioning bolt 13 arranged on the pressing strip 12 is firstly opened, then the pressing strip 12 is rotated, after the flexible hanging strip 4 is placed into the pressing groove 11, the pressing strip 12 is rotated again to compress the flexible hanging strip 4, the positioning bolt 13 arranged on the pressing strip 12 is matched with the threaded hole to fix the flexible hanging strip 4, the subsequent winding of the flexible hanging strip 4 on the rotary drum 5 is facilitated, and the length of the flexible hanging strip 4 is convenient to adjust.

The implementation principle of the embodiment is as follows: when a turnout is hoisted, firstly, the lifting hooks of two cranes of a set of vehicles are hung on lifting rings 3 arranged at two ends of a sling, the sling is placed above the turnout, then flexible hanging strips 4 arranged on the sling are penetrated into the turnout to hoist the turnout, but the lengths of the flexible hanging strips 4 after the flexible hanging strips 4 are hung on the turnout can be different due to the uneven cross section of the turnout, when the vertical length of the flexible hanging strips 4 is adjusted, firstly, a positioning bolt 13 arranged on a pressing strip 12 is opened, then, the pressing strip 12 is rotated, after the flexible hanging strips 4 are placed in a pressing groove 11, the pressing strip 12 is rotated again to press the flexible hanging strips 4, the positioning bolt 13 arranged on the pressing strip 12 is matched with a threaded hole to fix the flexible hanging strips 4, then, a rotating rod 23 is rotated to drive a rotating drum 5 to rotate, the rotating drum 5 drives a ratchet 6 to rotate, the rotating drum 5 rotates to wind the redundant, after the flexible hanging strip 4 is adjusted to a proper length, the ratchet wheel 6 is locked through the pawl 7, the turnout is hung and taken, after the turnout is hung and placed on the flat car through the hanger, the hand wheel 20 arranged on the hanger rotates the bidirectional screw 16 to rotate, the bidirectional screw 16 drives the clamping plate 19 in threaded connection with the bidirectional screw to move, the hanger and the turnout are fixed in position, after the turnout arrives at a destination, the hanger is hung and taken through the crane again, the turnout falls off from the flat car through the hanger, and the turnout is convenient to lift and place.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a switch hoist, includes the left beam body (1), the right beam body (2), the left beam body (1) can be dismantled with the right beam body (2) and be connected, its characterized in that, all be provided with rings (3) on the left beam body (1) and the right beam body (2), all be provided with flexible suspender (4) on the left beam body (1) and the right beam body (2), be provided with the adjusting part who adjusts flexible suspender (4) length on the left beam body (1) and the right beam body (2).

2. The switch sling according to claim 1, wherein the adjusting assembly comprises a rotating drum (5), a ratchet wheel (6), a pawl (7) and two support plates (8), the two support plates (8) are arranged in the vertical direction and fixedly connected with the upper surfaces of the left beam body (1) and the right beam body (2), the rotating drum (5) is positioned between the two support plates (8) and rotatably connected with the two support plates (8), a rotating shaft of the rotating drum (5) penetrates through the support plates (8) and is coaxially and fixedly connected with the ratchet wheel (6), a connecting block (9) is arranged on the side wall of each support plate (8), the pawl (7) is arranged on the connecting block (9), the pawl (7) is positioned below the ratchet wheel (6), a spring (10) is arranged between the pawl (7) and the connecting block (9) in the vertical direction, one end of the spring (10) is fixedly connected with the upper surface of the connecting block (9), the other end and the pawl (7) fixed connection of spring (10), ratchet (6) and pawl (7) meshing, the one end fixedly connected with dwang (23) of ratchet (6) are kept away from in rotary drum (5), be provided with the fixed subassembly of flexible suspender (4) on rotary drum (5).

3. The switch hanger according to claim 2, wherein the drum (5) is provided with a pressing groove (11), the fixing assembly comprises a pressing strip (12) and a positioning bolt (13), the pressing strip (12) is located in the pressing groove (11), one end of the pressing strip (12) is rotatably connected with the pressing groove (11), the positioning bolt (13) is located at the other end of the pressing strip (12), and a threaded hole matched with the positioning bolt (13) is formed in the pressing groove (11).

4. A switch spreader according to claim 1, wherein there are four lifting rings (3), six flexible slings (4), and wherein the lifting rings (3) and flexible slings (4) are symmetrically arranged.

5. The turnout sling according to claim 1, wherein the opposite side walls of the left beam body (1) and the right beam body (2) are provided with clamping grooves (14) for limiting the sling.

6. The turnout sling according to claim 1, wherein a first fixing block (15) is arranged on the upper surface of the left beam body (1) and the right beam body (2), a bidirectional screw (16) is arranged through the two first fixing blocks (15), the bidirectional screw (16) is rotatably connected with the first fixing block (15), two guide rods (17) are arranged through the first fixing block (15), the two guide rods (17) are fixedly connected with the first fixing block (15), the two ends of the guide rods (17) are provided with second fixing blocks (18), two clamping plates (19) are arranged through the bidirectional screw (16), the clamping plates (19) are in threaded connection with the bidirectional screw (16), the clamping plates (19) are in sliding connection with the guide rods (17), and the clamping plates (19) are positioned between the side walls of the left beam body (1) and the right beam body (2) and the second fixing blocks (18), the length of splint (19) is greater than the height of left roof beam body (1) and right roof beam body (2) side, wherein one end of two-way screw rod (16) runs through second fixed block (18) and is provided with hand wheel (20).

7. A switch spreader according to claim 6, wherein the clamping plates (19) are provided with rubber pads (21) on the side facing the side walls of the left beam body (1) and the right beam body (2).

8. A switch spreader according to claim 1, wherein the flexible suspension straps (4) are sleeved with wear-resistant sleeves (22), and the wear-resistant sleeves (22) are slidably connected with the flexible suspension straps (4).