CN114044421A

CN114044421A - Dragging system of elevator

Info

Publication number: CN114044421A
Application number: CN202111480508.2A
Authority: CN
Inventors: 张建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-02-15

Abstract

The invention relates to a dragging system of a lift, which relates to the field of lifts. Under the action of the lubricating and stabilizing mechanism and the dust removal and cleaning lubricating mechanism, the operation friction of the dragging steel wire rope is reduced, the temperature is reduced, and under the action of the matched limiting block, the stable operation of the elevator is realized and the service life of the elevator is ensured; meanwhile, the stroke of the dragging steel wire rope in the running process is increased, the stroke of the dragging steel wire rope is ensured to be consistent through the stroke return mechanism, the shaking of the dragging steel wire rope is reduced, and the running stability of the elevator is also improved.

Description

Dragging system of elevator

Technical Field

The invention relates to the technical field of elevators, in particular to a dragging system of an elevator.

Background

The elevator is a tool frequently used in modern society, and mainly comprises a dragging system, a guide system, a car, a door system, a weight balance system, an electric dragging system, an electric control system and a safety protection system, wherein the dragging system is used as an important component and mainly responsible for outputting and transmitting power to drive the elevator to run.

The current haul system causes unstable operation of the elevator in operational use for the following reasons: 1. the friction resistance is generated when the fixed limit pressure is too large, and the dragging steel wire rope shakes because the normal limit cannot be realized when the pressure is too small; 2. in the running process of the elevator, the friction between contact parts such as the dragging steel wire rope and the dragging wheel generates loss, and the friction heating increases the loss, so that the service life of the elevator is shortened; 3. the elevator is used for a long time, the travel of the dragging steel wire rope is lengthened due to gravity, and the tightness of the dragging steel wire rope on the dragging wheel is influenced; 4. the elevator runs for a long time and drags the steel wire rope to be stained with excessive dust, so that the resistance in the running process is increased, and the abrasion speed of the steel wire rope is improved.

At present, the system of drawing drags in the use, generally prevents to drag the shake of drawing wire rope and reduces the elevator during operation through the mode of artifical interpolation lubricating oil and drags the wheel and drag the friction between drawing wire rope and solve the unstable problem of elevator operation through increasing fixed spacing.

The technical scheme has the following defects: when utilizing fixed spacing to drag when drawing wire rope and applying vertical pressure, can increase the frictional force when dragging wire rope and function when pressure is great, produce the unnecessary loss, reduce its life, otherwise, when pressure is less, can not satisfy fixed spacing requirement, still can take place the shake, influence elevator operating stability, the maintenance is maintained to artifical the maintenance simultaneously, can not in time maintain the maintenance to dragging wire rope lubrication when elevator is worked, lead to dragging wire rope wearing and tearing to influence elevator operating stability.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a traction system for an elevator, which is achieved by the following specific technical means: comprises a base, a supporting frame, a limiting frame, a dust removal cleaning device, a lubricating and stabilizing mechanism and a stroke return mechanism.

The positions and the connection relations of the structures are as follows:

the support frame is installed to the base upper end, and the support frame right side is connected with the base and is installed spacing, and the installation is provided with the lubricated mechanism of dust removal clearance on the spacing, and lubricated stabilizing mean is installed on the support frame top, and the installation is provided with stroke return mechanism on the spacing, and lubricated stabilizing mean is located stroke return mechanism.

The lubricating and stabilizing mechanism comprises a shell frame, a pressing plate, a spring mechanism, a partition plate, a first sponge block, a filtering mechanism and a matched limiting block, wherein the shell frame is arranged at the upper part of the supporting frame and is rectangular, the pressing plate is arranged at the upper end of the shell frame in a detachable mode, the spring mechanism is arranged at the lower end inside the pressing plate, the matched limiting block is connected to the lower end of the spring mechanism, the filtering mechanism is arranged in the matched limiting block, when the lubricating and stabilizing mechanism works, the spring mechanism pushes the matched limiting block to be matched with a dragging steel wire rope to prevent the dragging steel wire rope from shaking caused by no fixed limiting, under the condition that the dragging steel wire rope works, the spring mechanism is pressed and retreated by the pressure from the dragging steel wire rope to drive the matched limiting block to move and the dragging steel wire rope to generate relative gaps, the partition plate is arranged below the pressing plate and symmetrically positioned at two sides of the spring mechanism, the first sponge block is arranged below the pressing plate and symmetrically positioned at two sides outside the partition plate, filtering mechanism installs under first sponge piece, and the lubricating oil in the first sponge piece is handled even the painting on dragging wire rope surface through filtering mechanism to reach lubricated effect of cooling, and the clamp plate can be taken out, the filtering mechanism's of being convenient for change and adjustment.

The first preferred technical scheme is as follows: as the improvement of basic scheme, the lubricated mechanism of dust removal clearance is including rotating seat, swivel becket, clearance shell, clearance brush head, cooperation pole, power transmission mechanism, second sponge piece, the mechanism of oozing oil and guiding mechanism, rotate the seat and install at the spacing middle part, the swivel becket is installed inside rotating seat, the clearance shell is evenly installed on the swivel becket along the annular, the first slidable mounting of clearance brush is in clearance shell upper end, the first connection of clearance brush is on the cooperation pole, power transmission mechanism sets up at cooperation pole lower extreme, the second sponge piece is connected between power transmission mechanism and the mechanism of oozing oil, the second sponge piece is placed on the slip flat board and is connected with power transmission mechanism through the slip flat board, slip flat board lateral wall and clearance shell inner wall sliding connection, and second sponge piece and the contact of cooperation pole lower extreme, guiding mechanism sets up in the cooperation pole left and right sides. When the elevator drags the function of drawing wire rope, drive the rotating ring and rotate, thereby the brush head is followed and is dragged the motion of drawing wire rope, dust removal clearance operation is carried out, dust and debris on the wire rope are dragged in effective clearance, and compress the cooperation pole and drive power transmission mechanism compression second sponge piece behind the atress of brush head, thereby extrude second sponge piece and carry out the lubricated work of oil seepage from the oil seepage mechanism, lubricate clearance and cooling protection to dragging wire rope, thereby guarantee to drag the stability of drawing wire rope and promote the life who drags drawing wire rope.

The preferred technical scheme is as follows: as an improvement of the basic scheme, the stroke return mechanism comprises a screw rod, a limiting block, a rotating rod, a ball ring, balls and a limiting groove, the screw rod is arranged in a limiting frame in a threaded manner, the limiting block is rotatably connected to the screw rod and is slidably connected with the inner wall of the limiting frame, the rotating rod is arranged at the side edge of the limiting block close to the dragging steel wire rope, the limiting block is rotatably connected with the rotating rod, the ball ring is sleeved on the rotating rod, the balls are embedded in the ball ring, the limiting groove is arranged at two sides of the ball ring parallel to the rotating rod, during specific work, the limiting block is driven to longitudinally move by adjusting the screw rod, the limiting block drives the rotating rod, the ball ring and other parts to synchronously move, so that the stroke of the dragging steel wire rope is changed through position change, the instability of the elevator caused by the increase of the stroke of the dragging steel wire rope due to long-term use of the elevator is reduced, and the mechanism can follow the rotation of the dragging steel wire rope of the elevator, the friction resistance is reduced, the friction heating loss of the dragging steel wire rope is reduced, and the service life of the elevator is prolonged while the stroke return effect of the mechanism is ensured.

The preferred technical scheme is three: as the improvement of preferred technical scheme one, filtering mechanism includes first oil impregnate hole and first filter screen, first oil impregnate hole sets up inside the cooperation stopper, and first filter screen installation sets up inside first oil impregnate hole, promotes lubricated effect through filtering, and during concrete work, lubricating oil in the first sponge piece lubricates the clearance to dragging wire rope through the processing of first oil impregnate hole and first filter screen to have the cooling guard action, the effectual life who drags wire rope that has promoted.

The preferable technical scheme is four: as an improvement of the first preferred technical proposal, the power transmission mechanism comprises a connecting spring, a lever, a telescopic rod, a bottom plate and a lever fulcrum, the connecting spring is arranged at the lower end of the matching column, the lower end of the connecting spring is connected with a bottom plate, the bottom plate is in matched hinge joint with a sliding flat plate arranged at the lower end of the second sponge block through a lever connected with a hinge, the lever is of a two-section structure, a lever fulcrum shaft is rotatably connected between the two sections of the lever and is arranged on the inner wall of the cleaning shell, one end of the lever far away from the second sponge block is hinged with the telescopic end of a telescopic rod, the fixed end of the telescopic rod is arranged on the inner wall of the cleaning shell, the telescopic rod plays the role of auxiliary support and guide, when the elevator runs and drives the dragging steel wire rope to move, thereby extrude the brush head under the pressure effect of dragging wire rope and drive the connecting spring and act on the lever, promote the second sponge piece and carry out the operation.

The preferred technical scheme is five: as the improvement of preferred technical scheme one, the oil impregnate mechanism includes second oil impregnate hole and second filter screen, the setting of second oil impregnate hole is inside cooperating the stopper, and the second filter screen is installed inside the second oil impregnate hole, and during specific work, lubricating oil in the second sponge piece is lubricated the clearance through the processing of second oil impregnate hole and second filter screen to drag the drawing wire rope to have the cooling guard action, effectual promoted drag the stability of drawing wire rope operation and life.

The preferred technical scheme is six: as the improvement of preferred technical scheme one, guiding mechanism includes guide post and slide, the guide post is connected and is set up at the cooperation pole left and right sides face, through the slide with clearance shell contact cooperation, during concrete work, cooperation pole atress is through guide post longitudinal sliding on the slide.

The preferred technical scheme is seven: as an improvement of the sixth preferred technical scheme, the guide column is of a cylindrical structure, so that the contact area is reduced, and the surface friction force is reduced.

The invention has the following beneficial effects:

1. the dragging system of the elevator can effectively and timely fix and limit the dragged steel wire rope through the lubricating and stabilizing mechanism, avoids shaking of the dragged steel wire rope in the operation process, cools the dragged steel wire rope while lubricating, reduces the operation friction and heat productivity of the dragged steel wire rope, reduces friction loss and prolongs the service life of the dragged steel wire rope.

2. According to the dragging system of the elevator, the dust and the fluff on the surface of the dragging steel wire rope can be effectively and timely cleaned through the dust removing, cleaning and lubricating mechanism, the dragging steel wire rope is prevented from adsorbing the dust and the fluff to increase friction force, the phenomenon of abrasion and heating is generated, the elevator is unstable in operation, the subsequent use effect of the elevator is guaranteed, and the service life of the dragging system of the elevator is prolonged.

3. According to the elevator dragging system provided by the invention, the limit block is operated by the screw rod to drive the rotating ring, so that the stroke can be effectively controlled, the problem of uneven tension caused by the increase of the stroke of the dragging steel wire rope in the long-term use of the elevator is prevented, and the running stability of the elevator is effectively ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the lubrication stabilization mechanism of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic side view cross-sectional configuration of the lubrication stabilization structure of the present invention;

FIG. 5 is a schematic sectional view of the dust removing, cleaning and lubricating mechanism and the stroke restoring mechanism of the present invention;

FIG. 6 is a schematic cross-sectional view of a cleaning shell and related components of the dust removing, cleaning and lubricating mechanism of the present invention;

fig. 7 is an enlarged view of B of fig. 6 according to the present invention.

In the figure: 1. a base; 2. a support frame; 3. a limiting frame; 4. a dust removal cleaning lubricating mechanism; 5. a lubrication stabilization mechanism; 6. a stroke return mechanism; 51. a housing frame; 52. pressing a plate; 53. a spring mechanism; 54. a partition plate; 55. a first sponge block; 56. a filtering mechanism; 57. matching with a limiting block; 41. a rotating seat; 42. a rotating ring; 43. cleaning the shell; 44. cleaning the brush head; 45. a mating rod; 46. a power transmission mechanism; 47. a sponge block; 48. an oil seepage mechanism; 49. a guide mechanism; 61. a screw shaft; 62. a limiting block; 63. rotating the rod; 64. a ball ring; 65. a ball bearing; 66. a limiting groove; 561. a first oil penetration hole; 562. a first filter screen; 461. a connecting spring; 462. a lever; 463. a telescopic rod; 464. a base plate; 465. a lever fulcrum; 481. a second oil seepage hole; 482. a second filter screen; 491. a guide post; 492. a slideway.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-7:

this elevator drags system of drawing, including base 1, support frame 2, spacing 3, dust removal clearance lubrication mechanism 4, lubricated stabilizing mean 5 and stroke return mechanism 6, support frame 2 and spacing 3 are installed respectively in base 1 left side upper end and right side upper end, lubricated stabilizing mean 5 is installed in support frame 2 upper end, dust removal clearance lubrication mechanism 4 is installed on support frame 2 right side and is connected with spacing 3, stroke return mechanism 6 is installed and is connected with spacing 3 on support frame 2 right side, and dust removal clearance lubrication mechanism 4 is on stroke return mechanism 6.

When the elevator is running, the dragging steel wire rope drives the lubricating and stabilizing mechanism 5 to work, wherein the pressing plate 52 presses the spring mechanism 53, the spring mechanism 53 pushes the matching limiting block 57 to match with the dragging wheel under the action of the spring elasticity to form a matching channel only for the dragging steel wire rope to pass through, so as to prevent the dragging steel wire rope from shaking up and down due to no upper fixed limiting, under the condition that the dragging steel wire rope works, the spring mechanism 53 is pressed by the pressure from the dragging steel wire rope to retreat so as to drive the matching limiting block 57 and the dragging steel wire rope to generate a relative gap, at the moment, the lubricating oil in the first sponge block 55 uniformly permeates into the surface of the dragging steel wire rope after being processed by the first filter screen 562 inside the filtering mechanism 56, thereby achieving the effects of lubricating and cooling, effectively reducing the shaking of the dragging steel wire rope and prolonging the service life of the steel wire rope, and the pressing plate 52 can be taken out, thereby facilitating the replacement and adjustment of the filtering mechanism 56, in conclusion, compared with the fixed limiting mechanism in the prior art, the phenomenon of unstable elevator operation caused by the shaking and friction of the dragged steel wire rope is reduced.

Simultaneously, the dragging wire rope drives the rotating ring 42 to rotate, so that the cleaning brush head 44 moves along with the dragging wire rope, dust removal cleaning operation is performed, dust and sundries on the dragging wire rope are effectively cleaned, the cleaning brush head 44 is subjected to compression fit rod 45 driving power transmission mechanism 46 to act on the second sponge block 47 after pressure from the dragging wire rope, the second sponge block 47 is extruded, internal lubricating oil is made to pass through the second oil seepage hole 481 and the second filter screen 482, lubrication cleaning and cooling protection are performed on the dragging wire rope, and the stability of the dragging wire rope and the service life of the dragging wire rope are guaranteed. In summary, compare general manual work and maintain, increased clearance and lubricated ageing, can in time clear up and lubricate and drag the draw wire rope, drag the frictional force between draw wire rope and the wheel of dragging when reducing the operation, guarantee the steady operation of elevator.

Accessible adjusting screw pole 61 drives stopper 62 longitudinal movement in addition, stopper 62 drives dwang 63, parts synchronous motion such as ball ring 64, thereby through the position change, the change drags the wire rope stroke, reduce the increase problem of dragging the wire rope stroke that arouses because the elevator uses for a long time, and then reduce and drag the wire rope shake, promote elevator operating stability, and the mechanism can be followed the operation of elevator and dragged the wire rope rotation in step, reduce the frictional resistance, reduce and drag the wire rope loss, promote elevator life when guaranteeing the stroke reply effect of mechanism.

The working principle is as follows:

when the elevator is running, the pressing plate 52 presses the spring mechanism 53, the spring mechanism 53 pushes the matching limiting block 57 to match with the dragging wheel under the action of the spring elasticity to form a matching channel through which only the dragged wire rope passes, and under the condition of the operation of the dragged wire rope, the spring mechanism 53 is pressed and retreated under the pressure from the dragged wire rope to drive the matching limiting block 57 and the dragged wire rope to generate a relative gap, at the moment, the lubricating oil in the first sponge block 55 is uniformly permeated on the surface of the dragged wire rope after being treated by the first filter screen 562 inside the filtering mechanism 56 to perform lubricating and cooling, and simultaneously the dragged wire rope drives the rotating ring 42 to rotate, so that the cleaning brush head 44 moves along with the dragged wire rope to perform dust removal and cleaning operation, and after the cleaning brush head 44 is pressed from the dragged wire rope, the matching rod 45 is compressed to drive the power transmission mechanism 46 to act on the second sponge block 47, thereby extrude second sponge piece 47, make its inside lubricating oil pass through the processing of second oilhole 481 and second filter screen 482, to dragging wire rope and lubricate clearance and cooling protection, guarantee to drag wire rope's stability and promote the life who drags wire rope, accessible adjusting screw rod 61 drives stopper 62 longitudinal movement in addition, stopper 62 drives dwang 63, parts synchronous movement such as ball ring 64, thereby through the position change, change and drag the wire rope stroke, reduce the problem that drags the wire rope stroke increase that arouses because the elevator uses for a long time, and then reduce and drag the wire rope shake, promote elevator operating stability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A traction system of an elevator, comprising a base (1), characterized in that: the dust removal and cleaning device is characterized in that a support frame (2) is mounted at the upper end of the base (1), a limiting frame (3) is mounted on the right side of the support frame (2) and connected with the base (1), a dust removal and cleaning lubricating mechanism (4) is mounted on the limiting frame (3), a lubricating and stabilizing mechanism (5) is connected to the top end of the support frame (2), a stroke returning mechanism (6) is mounted on the limiting frame (3), and the lubricating and stabilizing mechanism (5) is located above the stroke returning mechanism (6);

the lubricating and stabilizing mechanism (5) comprises a shell frame (51), a pressure plate (52), a spring mechanism (53), a clapboard (54), a first sponge block (55), a filtering mechanism (56) and a matching limiting block (57), casing frame (51) are installed on support frame (2) upper portion, casing frame (51) are the rectangle form, clamp plate (52) are installed in casing frame (51) upper end through removable mode, spring mechanism (53) are installed at the inside lower extreme of clamp plate (52), baffle (54) are installed in clamp plate (52) below and symmetrical position in spring mechanism (53) both sides, install in clamp plate (52) below and symmetrical position in baffle (54) both sides outside first sponge piece (55), filtering mechanism (56) are installed under first sponge piece (55), cooperation stopper (57) are connected at spring mechanism (53) lower extreme, filtering mechanism (56) set up in cooperation stopper (57).

2. The traction system of an elevator according to claim 1, wherein: the dust removal cleaning lubricating mechanism (4) comprises a rotating seat (41), a rotating ring (42), a cleaning shell (43), a cleaning brush head (44), a matching rod (45), a power transmission mechanism (46), a second sponge block (47), an oil seepage mechanism (48) and a guide mechanism (49), wherein the rotating seat (41) is installed in the middle of the limiting frame (3), the rotating ring (42) is installed in the rotating seat (41) through a bearing, the cleaning shell (43) is uniformly installed on the rotating ring (42), the cleaning brush head (44) is slidably installed in the cleaning shell (43), the matching rod (45) is installed at the lower end of the cleaning brush head (44), the power transmission mechanism (46) is arranged at the lower end of the matching rod (45), the second sponge block (47) is installed between the power transmission mechanism (46) and the oil seepage mechanism (48), the second sponge block (47) is placed on a sliding flat plate and connected with the power transmission mechanism (46) through the sliding flat plate, the side wall of the sliding flat plate is connected with the inner wall of the cleaning shell (43) in a sliding mode, the second sponge block (47) is in contact with the lower end of the matching rod (45), the oil seepage mechanism (48) is arranged at the front end of the second sponge block (47), and the guide mechanisms (49) are arranged on the left side and the right side of the matching rod (45).

3. The traction system of an elevator according to claim 1, wherein: stroke restoring mechanism (6) are including screw rod (61), stopper (62), dwang (63), ball ring (64), ball (65), spacing groove (66), screw rod (61) screw thread is installed in spacing (3), stopper (62) rotate to be connected in screw rod (61) middle part, and stopper (62) and spacing (3) inner wall sliding connection, and install at stopper (62) inboard edge dwang (63), stopper (62) rotate with dwang (63) to be connected, and ball ring (64) cover is on dwang (63), and ball (65) nestification is in ball ring (64), and ball ring (64) both sides at parallel dwang (63) are installed in spacing groove (66).

4. The traction system of an elevator according to claim 1, wherein: the filtering mechanism (56) comprises a first oil penetration hole (561) and a first filter screen (562), the first oil penetration hole (561) is arranged inside the matching limiting block (57), and the first filter screen (562) is arranged inside the first oil penetration hole (561).

5. The elevator pulling system according to claim 2, wherein: the power transmission mechanism (46) comprises a connecting spring (461), a lever (462), a telescopic rod (463), a bottom plate (464) and a lever fulcrum shaft (465), the connecting spring (461) is installed at the lower end of the matching rod (45), the bottom plate (464) is installed at the lower end of the connecting spring (461), the bottom plate (464) is in fit hinge connection with a sliding flat plate arranged at the lower end of the second sponge block (47) through a lever (462) in a hinge connection mode, the lever (462) is of a two-section structure, the lever fulcrum shaft (465) is rotatably connected between the two sections of the lever (462), the lever fulcrum shaft (465) is installed on the inner wall of the cleaning shell, one end, away from the second sponge block (47), of the lever (462) is hinged to the telescopic end of the telescopic rod (463), and the fixed end of the telescopic rod (463) is installed on the inner wall of the cleaning shell (43).

6. The elevator pulling system according to claim 2, wherein: the oil leakage mechanism (48) comprises a second oil leakage hole (481) and a second filter screen (482), the second oil leakage hole (481) is arranged inside the matching limiting block (57), and the second filter screen (482) is arranged inside the second oil leakage hole (481).

7. The elevator pulling system according to claim 2, wherein: the guide mechanism (49) comprises a guide post (491) and a slideway (492), wherein the guide post (491) is arranged on the side surface of the matching rod (45) close to the cleaning shell (43) and is in contact fit with the cleaning shell (43) through the slideway (492).

8. The elevator pulling system according to claim 7, wherein: the guide post (491) is of a cylindrical structure.