CN217516583U - Rope pressing device of electric hoist with ultra-long hoisting stroke - Google Patents
Rope pressing device of electric hoist with ultra-long hoisting stroke Download PDFInfo
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- CN217516583U CN217516583U CN202220778801.0U CN202220778801U CN217516583U CN 217516583 U CN217516583 U CN 217516583U CN 202220778801 U CN202220778801 U CN 202220778801U CN 217516583 U CN217516583 U CN 217516583U
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Abstract
The utility model relates to a overlength lifts by crane rope pressing device of stroke electric block, including the upper bracket, the undersetting, the support arm, press rope cylinder and elastic adjustment subassembly, upper bracket fixed mounting is in the upper surface of electric block reel shell, undersetting fixed mounting is in the side bottom of electric block reel shell, upper bracket and undersetting respectively are provided with a set ofly at the both ends of electric block reel shell, the bottom of support arm articulates in the undersetting, the top of support arm is passed through elastic adjustment subassembly and is installed in the upper bracket, the both ends of pressing the rope cylinder are installed respectively on two support arms, elastic adjustment subassembly is used for ordering about the top of support arm and removes towards one side of upper bracket. The application has the following expected technical effects: when the top that elasticity adjusting part ordered about the support arm had the trend of being close to the electric block reel all the time, just can compress tightly the wire rope of winding on the electric block reel through pressing the rope cylinder, simple structure, the cost of manufacture is low, and is better to wire rope's the effect that compresses tightly moreover.
Description
Technical Field
The application relates to the technical field of electric hoists, in particular to a rope pressing device of an electric hoist with an ultra-long hoisting stroke.
Background
The electric hoist is a special lifting equipment, is installed on overhead traveling cranes and gantry cranes, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like. In a special application environment, the hoisting stroke of some electric hoists is very long, and can generally reach more than 100 meters, and for the electric hoists, the steel wire ropes are very long, and usually the steel wire ropes can only be wound on a winding drum in multiple layers.
A chinese patent with application number 201120107311.X discloses a multilayer winding high-lift electric hoist, which mainly comprises a hoisting mechanism and a rope pressing device, wherein the hoisting mechanism mainly comprises a hoisting motor, a winding drum and a speed reducer, and the rope pressing device mainly comprises a rope baffle, a connecting frame, a pull rod, a connecting rod, a pressure spring and a rope pressing sleeve; the connecting frame is fixed below the shell of the electric hoist, the two pull rods respectively penetrate through guide rod holes at two ends of the connecting frame, the pressure spring is arranged below the connecting frame, the upper end of the connecting frame is fixed by the connecting rod, the rope pressing sleeve is arranged on the connecting rod and parallel to a winding drum of the electric hoist and rotates around the connecting rod, the rope blocking plate penetrates through the winding drum and is fixed on the connecting frame, a certain gap is reserved between the central aperture of the plate and the outer diameter of the winding drum, the shape of the rope pressing sleeve is fixed on the rope pressing sleeve by a plurality of cams, and each cam is sequentially arranged according to a certain angle rule.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the rope pressing device with the structural design has the advantages of complex structure, high manufacturing cost and inconvenient maintenance, and the rope pressing sleeve has poor pressing effect on the steel wire rope, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that the rope pressing device of common electric block is also not good to the compressing effect of wire rope, the application provides a rope pressing device of overlength hoisting stroke electric block.
The application provides a overlength lifts by crane stroke electric block's pressure rope device adopts following technical scheme:
a rope pressing device of an electric hoist with an ultra-long hoisting stroke comprises an upper support, a lower support, a support arm, a rope pressing roller and an elastic adjusting component, the upper support is fixedly arranged on the upper surface of the electric hoist drum shell, the lower support is fixedly arranged at the bottom of the side surface of the electric hoist drum shell, the upper support and the lower support are respectively provided with a group at two ends of the electric hoist drum shell, the bottom of the supporting arm is hinged with the lower support, the top parts of the supporting arms are arranged on the upper support through the elastic adjusting component, two ends of the rope pressing roller are respectively arranged on the two supporting arms, the rope pressing roller is parallel to the central axis of the electric hoist winding drum and is used for pressing one or more layers of steel wire ropes wound on the electric hoist winding drum, the elastic adjusting component is used for driving the top of the supporting arm to move towards one side of the upper support.
Through adopting above-mentioned technical scheme, two support arms play good supporting role to pressing the rope cylinder, and because the bottom and the undersetting of support arm are articulated each other, when the top that elasticity adjusting part ordered about the support arm had the trend of being close to the electric block reel all the time, just can compress tightly the wire rope of winding on the electric block reel through pressing the rope cylinder, simple structure, the cost of manufacture is low, and is better to wire rope's the effect that compresses tightly moreover.
Optionally, the upper support comprises an L-shaped plate and locking bolts, the horizontal part of the L-shaped plate is fixed on the upper surface of the electric hoist drum shell through the plurality of groups of locking bolts, and the vertical part of the L-shaped plate is connected with the elastic adjusting assembly.
Through adopting above-mentioned technical scheme, the shape design of above-mentioned L shaped plate just can fix whole upper bracket on electric block reel shell, also can provide better mounted position for the elasticity adjusting part, simple structure, and convenient to design.
Optionally, the elastic adjusting assembly includes an adjusting screw, a compression spring and an adjusting nut, one end of the adjusting screw is hinged to the top of the supporting arm, one or more adjusting nuts are threadedly mounted at the other end of the adjusting screw, the adjusting screw is slidably mounted in the vertical portion of the L-shaped plate, the adjusting screw penetrates through the compression spring, and the adjusting screw is clamped between the adjusting nut and the vertical portion of the L-shaped plate.
Through adopting above-mentioned technical scheme, can change its and the vertical partial distance of L shaped plate through revolving the adjusting nut soon to make compression spring compressed, compression spring's elastic restoring force just can order about adjusting screw and remove along the direction that is close to electric block reel shell, thereby drives the rope pressing cylinder on the support arm and compresses tightly wire rope, and the structure is simpler, and it is better to compress tightly the effect.
Optionally, the support arm includes montant and horizon bar, the both ends of montant connect respectively in the upper bracket with the undersetting, the horizon bar perpendicular to the middle part of montant just is close to the electric block reel and arranges, the end connection of pressing the rope cylinder in the horizon bar is kept away from the tip of montant.
Through adopting above-mentioned technical scheme, the horizon bar of two support arms provides better mounted position for pressing the rope cylinder, presses the rope cylinder to erect through two support arms, and the structure is more firm.
Optionally, the vertical rod and the horizontal rod are integrally formed, and the joint of the vertical rod and the horizontal rod is in arc angle transition.
Through adopting above-mentioned technical scheme, montant and horizon bar are fixed through integrated into one piece, and the junction structure between the two is more firm, is difficult to the cracked condition to appear when the horizon bar erects the pressure rope cylinder.
Optionally, the rope pressing roller comprises two groups of connecting seats, a steel rope pressing sleeve and a bearing, the two groups of connecting seats are respectively and fixedly connected to the two supporting arms, and the bearing is installed between the end part of the steel rope pressing sleeve and the connecting seats.
Through adopting above-mentioned technical scheme, the steel is pressed the rope sleeve and can freely rotate, and then when contacting with wire rope, the difficult wearing and tearing in steel pressure rope sleeve's surface, and the telescopic life of steel pressure rope is effectively prolonged.
Optionally, this rope pressing device still includes the spacing bolt of installing on electric block reel shell, spacing bolt is used for the butt the inboard of support arm.
Through adopting above-mentioned technical scheme, spacing bolt can prevent that the rope pressing roller from excessively compressing tightly wire rope, effectively avoids wire rope card to die.
In summary, the present application includes at least one of the following beneficial technical effects:
two support arms play good supporting role to pressing the rope cylinder, and because the bottom and the undersetting of support arm are articulated each other, when the top that elasticity adjusting part ordered about the support arm had the trend of being close to the electric block reel all the time, just can compress tightly the wire rope of winding on the electric block reel through pressing the rope cylinder, simple structure, the cost of manufacture is low, and is better to wire rope's the effect that compresses tightly moreover.
Drawings
Fig. 1 is a schematic structural diagram of a rope pressing device of an electric hoist with an ultra-long hoisting stroke according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a rope pressing roller according to an embodiment of the present application.
Description of reference numerals:
1. an upper support; 11. an L-shaped plate; 12. locking the bolt; 2. a lower support; 3. a support arm; 31. a vertical rod; 32. a horizontal bar; 33. a circular arc angle; 4. a rope pressing roller; 41. a connecting seat; 42. a steel rope pressing sleeve; 43. a bearing; 5. an elastic adjustment assembly; 51. adjusting the screw rod; 52. a compression spring; 53. adjusting the nut; 6. a limit bolt; 101. a winding drum shell of the electric hoist; 102. an electric hoist drum; 103. a steel cord.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a rope pressing device of an electric hoist with an ultra-long hoisting stroke. Referring to fig. 1 and 2, the rope pressing device of the electric hoist with an ultra-long hoisting stroke comprises an upper support 1 and a lower support 2, support arm 3, pressing rope cylinder 4 and elasticity adjusting part 5, 1 fixed mounting of upper bracket in electric hoist reel shell 101's upper surface, 2 fixed mounting in electric hoist reel shell 101's side bottom of undersetting, upper bracket 1 and undersetting 2 respectively are provided with a set ofly at electric hoist reel shell 101's both ends, the bottom of support arm 3 articulates in undersetting 2, the top of support arm 3 is passed through elasticity adjusting part 5 and is installed in upper bracket 1, the both ends of pressing rope cylinder 4 are installed respectively on two support arms 3, pressing rope cylinder 4 is on a parallel with the axis of electric hoist reel 102, pressing rope cylinder 4 is used for compressing tightly one deck or multilayer wire rope 103 of winding on electric hoist reel 102, elasticity adjusting part 5 is used for ordering about the top of support arm 3 and removes towards one side of upper bracket 1.
The upper support 1 comprises an L-shaped plate 11 and locking bolts 12, the horizontal part of the L-shaped plate 11 is fixed on the upper surface of the electric hoist drum shell 101 through a plurality of groups of locking bolts 12, and the vertical part of the L-shaped plate 11 is connected with the elastic adjusting assembly 5. Above-mentioned L shaped plate 11's shape design, when just can fixing whole upper bracket 1 on electric block reel shell 101, also can provide better mounted position for elasticity adjusting part 5, simple structure, convenient to design.
The elastic adjusting assembly 5 comprises an adjusting screw 51, a compression spring 52 and an adjusting nut 53, wherein one end of the adjusting screw 51 is hinged to the top of the supporting arm 3, one or more adjusting nuts 53 are threadedly assembled at the other end of the adjusting screw 51, the adjusting screw 51 is slidably assembled on the vertical part of the L-shaped plate 11, the adjusting screw 51 penetrates through the compression spring 52, and the adjusting screw 51 is clamped between the adjusting nut 53 and the vertical part of the L-shaped plate 11.
Can change its and the distance of L shaped plate 11 vertical part through twisting adjusting nut 53 to make compression spring 52 compressed, compression spring 52's elastic restoring force just can order about adjusting screw 51 to remove along the direction that is close to electric block reel 102 shell, thereby drives the last rope pressing cylinder 4 of support arm 3 and compresses tightly wire rope 103, and the structure is simpler, and it is better to compress tightly the effect.
The support arm 3 includes montant 31 and horizon bar 32, and the both ends of montant 31 are connected respectively in upper bracket 1 and undersetting 2, and the middle part of horizon bar 32 perpendicular to montant 31 just is close to electric block reel 102 and arranges, and the end connection of pressing rope cylinder 4 is in the tip that the montant 31 was kept away from to horizon bar 32. The horizontal rods 32 of the two supporting arms 3 provide a better installation position for the rope pressing roller 4, the rope pressing roller 4 is erected through the two supporting arms 3, and the structure is more stable.
Integrated into one piece between montant 31 and the horizon bar 32, and junction between them is the transition of arc angle 33, and montant 31 and horizon bar 32 are fixed through integrated into one piece, and the junction structure between the two is more firm, is difficult to appear the cracked condition when pressure rope cylinder 4 is erect to horizon bar 32.
The rope pressing roller 4 comprises two groups of connecting seats 41, a steel rope pressing sleeve 42 and a bearing 43, wherein the two groups of connecting seats 41 are respectively and fixedly connected with the two supporting arms 3, and the bearing 43 is arranged between the end part of the steel rope pressing sleeve 42 and the connecting seats 41. The steel rope pressing sleeve 42 can rotate freely, so that when the steel rope pressing sleeve is in contact with the steel wire rope 103, the surface of the steel rope pressing sleeve 42 is not prone to abrasion, and the service life of the steel rope pressing sleeve 42 is effectively prolonged.
This pressure rope device is still including installing spacing bolt 6 on electric block reel shell 101, and spacing bolt 6 is used for the inboard of butt support arm 3, and spacing bolt 6 can prevent to press rope drum 4 excessively to compress tightly wire rope 103, effectively avoids wire rope 103 card to die.
The implementation principle of the rope pressing device of the electric hoist with the ultra-long hoisting stroke in the embodiment of the application is as follows: two support arms 3 play good supporting role to pressing rope cylinder 4, and because the bottom and the undersetting 2 of support arm 3 are articulated each other, when elasticity adjusting part 5 ordered about the top of support arm 3 had the trend of being close to electric block reel 102 all the time, just can compress tightly wire rope 103 of winding on electric block reel 102 through pressing rope cylinder 4, simple structure, the cost of manufacture is low, and it is better to pressing tightly effect of wire rope 103 moreover.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 (7)
1. The utility model provides a overlength lifts by crane stroke electric block's pressure rope device which characterized in that: including upper bracket (1), undersetting (2), support arm (3), pressure rope cylinder (4) and elasticity adjusting part (5), upper bracket (1) fixed mounting is in the upper surface of electric block reel shell (101), undersetting (2) fixed mounting is in the side bottom of electric block reel shell (101), upper bracket (1) with undersetting (2) respectively are provided with a set ofly at the both ends of electric block reel shell (101), the bottom of support arm (3) articulate in undersetting (2), the top of support arm (3) is passed through elasticity adjusting part (5) install in upper bracket (1), the both ends of pressure rope cylinder (4) are installed respectively in two on support arm (3), pressure rope cylinder (4) are on a parallel with the axis of electric block reel (102), pressure rope cylinder (4) are used for compressing tightly one deck or multilayer wire rope winding on electric block reel (102) (103) The elastic adjusting component (5) is used for driving the top of the supporting arm (3) to move towards one side of the upper support (1).
2. The rope pressing device of the electric hoist with the ultra-long hoisting stroke according to claim 1, characterized in that: the upper support (1) comprises L-shaped plates (11) and locking bolts (12), the horizontal parts of the L-shaped plates (11) are fixed on the upper surface of the electric hoist drum shell (101) through the locking bolts (12), and the vertical parts of the L-shaped plates (11) are connected with the elastic adjusting assembly (5).
3. The rope pressing device of the electric hoist with the ultra-long hoisting stroke according to claim 2, characterized in that: the elastic adjusting assembly (5) comprises an adjusting screw rod (51), a compression spring (52) and an adjusting nut (53), one end of the adjusting screw rod (51) is hinged to the top of the supporting arm (3), one or more adjusting nuts (53) are assembled at the other end of the adjusting screw rod (51) in a threaded mode, the adjusting screw rod (51) is assembled at the vertical part of the L-shaped plate (11) in a sliding mode, the adjusting screw rod (51) penetrates through the compression spring (52), and the adjusting screw rod (51) is clamped between the adjusting nut (53) and the vertical part of the L-shaped plate (11).
4. The rope pressing device of the electric hoist with the ultra-long hoisting stroke according to claim 1, characterized in that: support arm (3) include montant (31) and horizon bar (32), the both ends of montant (31) connect respectively in upper bracket (1) with undersetting (2), horizon bar (32) perpendicular to the middle part of montant (31) and be close to electric block reel (102) and arrange, the end connection of pressure rope cylinder (4) in horizon bar (32) are kept away from the tip of montant (31).
5. The rope pressing device of the electric hoist with the ultra-long hoisting stroke according to claim 4, characterized in that: the vertical rods (31) and the horizontal rods (32) are integrally formed, and the connection position of the vertical rods and the horizontal rods is in transition of an arc angle (33).
6. The rope pressing device of the electric hoist with the ultra-long hoisting stroke according to claim 1, characterized in that: the rope pressing roller (4) comprises two groups of connecting seats (41), a steel rope pressing sleeve (42) and bearings (43), the two groups of connecting seats (41) are fixedly connected to the two supporting arms (3) respectively, and the bearings (43) are installed between the end portion of the steel rope pressing sleeve (42) and the connecting seats (41).
7. The rope pressing device of the electric hoist with the ultra-long hoisting stroke according to claim 1, characterized in that: the rope pressing device further comprises a limiting bolt (6) installed on the electric hoist drum shell (101), and the limiting bolt (6) is used for being abutted to the inner side of the supporting arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220778801.0U CN217516583U (en) | 2022-04-06 | 2022-04-06 | Rope pressing device of electric hoist with ultra-long hoisting stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220778801.0U CN217516583U (en) | 2022-04-06 | 2022-04-06 | Rope pressing device of electric hoist with ultra-long hoisting stroke |
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| Publication Number | Publication Date |
|---|---|
| CN217516583U true CN217516583U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220778801.0U Active CN217516583U (en) | 2022-04-06 | 2022-04-06 | Rope pressing device of electric hoist with ultra-long hoisting stroke |
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| Country | Link |
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| CN (1) | CN217516583U (en) |
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- 2022-04-06 CN CN202220778801.0U patent/CN217516583U/en active Active
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