CN219136068U

CN219136068U - Elevator wire rope tension automatic regulating apparatus

Info

Publication number: CN219136068U
Application number: CN202222562746.4U
Authority: CN
Inventors: 茹建斌; 孟国刚; 张交通; 郑小腾; 王俊卿; 付江云
Original assignee: Dalian Hengya Instruments And Meters Co ltd; SHAOXING SPECIAL EQUIPMENT TESTING INSTITUTE
Current assignee: Dalian Hengya Instruments And Meters Co ltd; SHAOXING SPECIAL EQUIPMENT TESTING INSTITUTE
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-06
Anticipated expiration: 2032-09-27

Abstract

The utility model provides an automatic tension adjusting device for an elevator steel wire rope, which relates to the technical field of elevators and comprises a suspended ceiling box and a steel wire rope, wherein a plurality of hanging rods are rotatably connected in the suspended ceiling box, the bottom ends of the hanging rods penetrate through the bottom end of the suspended ceiling box and are in threaded connection with an adjusting head, the bottom end of the adjusting head is in clamping connection with the top end of the steel wire rope, a tension detecting mechanism is connected to the bottom end of the steel wire rope in an penetrating manner, a sliding frame is welded on one side of the outer wall of the suspended ceiling box, the suspended ceiling box comprises a box body, a machine box, a first hydraulic cylinder, a plurality of gears and double-sided racks, one side of the machine box is welded with the outer wall of the box body, the machine box and the sliding frame are respectively positioned on two sides of the box body, the first hydraulic cylinder is installed on one side of the inner wall of the machine box, and the interior of the sliding frame is in sliding connection with one end of the double-sided racks. The utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, higher safety and higher practical value.

Description

Elevator wire rope tension automatic regulating apparatus

Technical Field

The utility model belongs to the technical field of elevators, and particularly relates to an automatic tension adjusting device for an elevator steel wire rope.

Background

The gravity of the elevator car is borne by a plurality of steel wire ropes arranged on the elevator car, each steel wire rope bears the gravity of a part of the elevator car respectively, in order to ensure the service life of the steel wire ropes and the running stability of the elevator car, the gravity born by each steel wire rope is required to be ensured to be the same, namely the tension force generated by each steel wire rope is the same, and according to retrieval, an automatic elevator steel wire rope tension adjusting device is provided in the publication No. CN216549122U and comprises a motor, a nut adjusting head connected with the motor in a linkage way, a screw rod, a nut sleeved on the screw rod and a tension sensor arranged on the steel wire rope, wherein the nut adjusting head is sleeved on the nut to drive the nut to rotate; the rope head of the elevator steel wire rope is connected with the lower end part of a screw rod which is vertically arranged, and the tension sensor is used for detecting the tension of the steel wire rope. The automatic tension adjusting device has the characteristics of detecting the tension of the steel wire rope in real time and adjusting the steel wire rope according to the tension.

In this scheme, whether need adjust the tensioning force through the data of feedback, in case wire rope tensioning force error exceeds 5%, control system sends the instruction to automatic regulating apparatus, the motor of its inside is controlled and is carried out elasticity to elevator wire rope's nut automatically and adjust, but this scheme is in the in-service use's in-process, because the linkage is connected between motor output and the nut adjustment head for wire rope and the gravity of loading down all act on the output of motor, lead to the motor load too big, not only there is certain potential safety hazard, also aggravate the running load of motor.

Accordingly, the present utility model has been made in view of the above circumstances, and an object of the present utility model is to provide an automatic tension adjusting device for an elevator wire rope, which is more practical.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an automatic tension adjusting device for an elevator steel wire rope, which aims to solve the problems proposed by the background technology.

The utility model discloses an automatic tension adjusting device for an elevator steel wire rope, which is characterized by comprising the following specific technical means:

the utility model provides an elevator wire rope tension automatic regulating apparatus, includes furred ceiling case and wire rope, the inside of furred ceiling case rotates and connects a plurality of jib, and a plurality of the bottom of jib runs through the bottom of furred ceiling case to threaded connection adjusts the head, the bottom of adjusting the head is connected with wire rope's top block, wire rope's bottom interlude is connected with tension detection mechanism, the outer wall one side welding of furred ceiling case has the slipcase, the furred ceiling case includes box, quick-witted case, first pneumatic cylinder, a plurality of gears and two-sided rack, the outer wall welding of one side and the box of machine case, just machine case and slipcase are located the both sides of box respectively, first pneumatic cylinder is installed in the inner wall one side of machine case, the inside and the one end sliding connection of two-sided rack of slipcase, just the other end and the output of two-sided rack are connected, a plurality of gear suit is in the outer wall of jib, and a plurality of gears all with two-sided rack intermeshing.

Further, the suspender comprises a rod body, an anti-falling plate and an anti-falling plate, wherein the anti-falling plate and the anti-falling plate are respectively positioned at two ends of the rod body, and the gear is positioned between the anti-falling plate and the anti-falling plate.

Further, the adjusting head comprises a sleeve and a locating pin, one end of the rod body extends to the inside of the sleeve and is connected with one side of the anti-falling plate, the anti-falling plate is rotationally connected with one side of the inside of the sleeve, two ends of the locating pin are connected with the inner wall of the sleeve, and the outer wall of the locating pin is connected with one end of the steel wire rope in a winding mode.

Further, tension detection mechanism includes mounting box, fixed plate, support, second pneumatic cylinder, arc and a pair of pulley, the top of mounting box welds with the bottom of fixed plate mutually, the support mounting is in inside one side of mounting box, the one end of support welds with one side of arc mutually, a pair of the pulley is installed respectively in the both sides of arc, and a pair of one side of pulley is laminated with wire rope's outer wall mutually.

Further, the second hydraulic cylinder is arranged on one side of the inside of the mounting box, the output end of the second hydraulic cylinder is provided with a pressure sensor, and the detection end of the pressure sensor is attached to the outer wall of the steel wire rope.

Compared with the prior art, the utility model has the following beneficial effects:

this kind of elevator wire rope tension automatic regulating apparatus uses through the jib with the connection of adjusting the head for the device can bear the gravity of wire rope and loading thereof, and then ensure the security when adjusting wire rope tension, wherein, push pressure sensor through the second pneumatic cylinder output, make pressure sensor's detection end extrude wire rope, thereby be convenient for pressure sensor detects current wire rope's tension situation, and transmit for the controller, make it send the operation instruction to first pneumatic cylinder, promote two-sided rack through first pneumatic cylinder output and carry out horizontal migration, and utilize the meshing relation of two-sided rack and a plurality of gears, make the gear of different positions drive the jib respectively and rotate, thereby promote body of rod and sleeve to carry out rotary adjustment, promote length size between body of rod and the sleeve to finely tune, and carry out corresponding adjustment to wire rope's tension, and through anti-drop board guard action, and then avoid the body of rod, the mutual separation between sleeve and the box, and then avoid wire rope to appear the situation that breaks away from, the security of device has effectively been improved, the utility model, and simple structure is reasonable, and is designed, and has high practical value, and high operation is easy and high.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the structure of the suspended ceiling box of the present utility model.

Fig. 3 is a cross-sectional view of the sleeve structure of the present utility model.

Fig. 4 is a cross-sectional view of the tension detecting mechanism of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

100. a ceiling box; 1001. a case; 1002. a chassis; 1003. a first hydraulic cylinder; 1004. a gear; 1005. double-sided racks; 200. a tension detecting mechanism; 2001. a mounting box; 2002. a fixing plate; 2003. a bracket; 2004. a second hydraulic cylinder; 2005. an arc-shaped plate; 2006. a pulley; 300. a wire rope; 400. adjusting the head; 4001. a sleeve; 4002. a positioning pin; 500. a sliding frame; 600. a boom; 6001. a rod body; 6002. an anti-drop plate; 6003. and an anti-falling plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 4:

the utility model provides an automatic elevator wire rope tension adjusting device, which comprises a suspended ceiling box 100 and a wire rope 300, wherein a plurality of hanging rods 600 are rotatably connected in the suspended ceiling box 100, the bottom ends of the hanging rods 600 penetrate through the bottom end of the suspended ceiling box 100 and are in threaded connection with an adjusting head 400, the bottom end of the adjusting head 400 is in clamping connection with the top end of the wire rope 300, the bottom end of the wire rope 300 is connected with a tension detecting mechanism 200 in a penetrating way, a sliding frame 500 is welded on one side of the outer wall of the suspended ceiling box 100, the suspended ceiling box 100 comprises a box 1001, a machine box 1002, a first hydraulic cylinder 1003, a plurality of gears 1004 and double-sided racks 1005, one side of the machine box 1002 is welded on the outer wall of the box 1001, the machine box 1002 and the sliding frame 500 are respectively positioned on two sides of the box 1001, the first hydraulic cylinder 1003 is arranged on one side of the inner wall of the machine box 1002, the interior of the sliding frame 500 is in sliding connection with one end of the double-sided racks 1005, the other end of the double-sided racks 1005 is connected with the output end of the first hydraulic cylinder 1003, the plurality of gears 1004 are sleeved on the outer wall of the hanging rods 600, and the gears 1004 are meshed with the double-sided racks 1005.

Wherein, jib 600 includes body of rod 6001, anticreep board 6002 and anti-falling plate 6003, and anticreep board 6002 and anti-falling plate 6003 are located the both ends of body of rod 6001 respectively, and gear 1004 is located between anticreep board 6002 and the anti-falling plate 6003 for body of rod 6001 keeps stable rotation through the positional relationship that utilizes gear 1004, and avoids the emergence of the situation of colliding with.

Wherein, adjust head 400 includes sleeve 4001 and locating pin 4002, the inside of sleeve 4001 is extended to the one end of body of rod 6001 to be connected with one side of anti-falling plate 6003, and anti-falling plate 6003 is connected with the inside one side rotation of sleeve 4001, and the both ends of locating pin 4002 are connected with the inner wall of sleeve 4001, and the outer wall of locating pin 4002 is connected with the winding of wire rope 300's one end, uses through the connection of locating pin 4002, has effectively improved the tightness of being connected between sleeve 4001 and the wire rope 300.

The tension detecting mechanism 200 includes a mounting box 2001, a fixing plate 2002, a bracket 2003, a second hydraulic cylinder 2004, an arc 2005 and a pair of pulleys 2006, wherein the top end of the mounting box 2001 is welded with the bottom end of the fixing plate 2002, the bracket 2003 is mounted on one side of the inside of the mounting box 2001, one end of the bracket 2003 is welded with one side of the arc 2005, the pair of pulleys 2006 are respectively mounted on two sides of the arc 2005, one side of the pair of pulleys 2006 is attached to the outer wall of the steel wire rope 300, and the bending deformation of the steel wire rope 300 is more convenient and the abrasion is reduced through the mounting and use of the pulleys 2006.

The second hydraulic cylinder 2004 is mounted on one side of the inside of the mounting box 2001, a pressure sensor is mounted at an output end of the second hydraulic cylinder 2004, a detection end of the pressure sensor is attached to an outer wall of the steel wire rope 300, and the pressure sensor is pushed by the output end of the second hydraulic cylinder 2004 to squeeze the steel wire rope 300, so that a current tension condition of the steel wire rope 300 is detected.

Specific use and action of the embodiment:

when the automatic elevator wire rope tension adjusting device is used, firstly, whether the connecting part of the device is fastened or not is detected, after the situation is ensured to be perfect, the device is assembled at a designated position, and the device is started, so that operation test is realized, after normal operation is ensured, the device is put into use, wherein the output end of the device pushes the double-sided rack 1005 to horizontally move in the sliding frame 500 by starting the first hydraulic cylinder 1003, the gears 1004 at different positions respectively drive the hanging rod 600 to rotate by utilizing the meshing relation of the double-sided rack 1005 and the gears 1004, thereby promoting the rod 6001 and the sleeve 4001 to rotatably adjust, the length dimension between the adjusting rod 6001 and the sleeve 4001 correspondingly adjusts the tension of the wire rope, and the mutual separation between the rod 6001 and the sleeve 4001 and the box 1001 is avoided by the protective action of the anti-falling plate 6002 and the anti-falling plate 6003, the situation that the wire rope 300 is separated is avoided, the safety of the device is effectively improved, the output end of the device pushes the pressure sensor through starting the second hydraulic cylinder 2004, the device is enabled to squeeze the wire rope 300, the wire rope 300 is pressed out, the current wire rope is detected, the length dimension is controlled by the length dimension of the adjusting rod 6001 and the wire rope is correspondingly adjusted, the corresponding tension of the pulley 300 is conveniently and the pulley is more convenient to install by the hydraulic cylinder, and the tension of the device is more convenient to install.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an elevator wire rope tension automatic regulating apparatus, its characterized in that includes furred ceiling case (100) and wire rope (300), the inside rotation of furred ceiling case (100) is connected a plurality of jib (600), a plurality of the bottom of jib (600) runs through the bottom of furred ceiling case (100) to threaded connection adjusts head (400), the bottom of adjusting head (400) is connected with the top block of wire rope (300), the bottom of wire rope (300) is connected with tension detection mechanism (200) in the interlude, the outer wall one side welding of furred ceiling case (100) has sliding frame (500), furred ceiling case (100) include box (1001), quick-witted case (1002), first pneumatic cylinder (1003), a plurality of gears (1004) and double-sided rack (1005), one side of machine case (1002) and the outer wall welding of box (1001), just first pneumatic cylinder (1003) are located the both sides of box (1001) respectively with sliding frame (500), the inside of sliding frame (500) is connected with the rack (1005) of a plurality of double-sided rack (1005) and the output (1005) of one end of being connected with the rack (1005), and a plurality of gears (1004) are meshed with the double-sided rack (1005).

2. The automatic elevator wire rope tension adjusting apparatus according to claim 1, wherein: the suspender (600) comprises a rod body (6001), an anti-falling plate (6002) and an anti-falling plate (6003), wherein the anti-falling plate (6002) and the anti-falling plate (6003) are respectively positioned at two ends of the rod body (6001), and the gear (1004) is positioned between the anti-falling plate (6002) and the anti-falling plate (6003).

3. The automatic elevator wire rope tension adjusting apparatus according to claim 2, wherein: the adjusting head (400) comprises a sleeve (4001) and a locating pin (4002), one end of a rod body (6001) extends to the inside of the sleeve (4001) and is connected with one side of an anti-falling plate (6003), the anti-falling plate (6003) is rotationally connected with one side of the inside of the sleeve (4001), two ends of the locating pin (4002) are connected with the inner wall of the sleeve (4001), and the outer wall of the locating pin (4002) is connected with one end of a steel wire rope (300) in a winding mode.

4. The automatic elevator wire rope tension adjusting apparatus according to claim 1, wherein: the tension detection mechanism (200) comprises a mounting box (2001), a fixing plate (2002), a support (2003), a second hydraulic cylinder (2004), an arc plate (2005) and a pair of pulleys (2006), wherein the top end of the mounting box (2001) is welded with the bottom end of the fixing plate (2002), the support (2003) is mounted on one side of the inside of the mounting box (2001), one end of the support (2003) is welded with one side of the arc plate (2005), the pulleys (2006) are mounted on two sides of the arc plate (2005) respectively, and one side of each pulley (2006) is attached to the outer wall of the steel wire rope (300).

5. The automatic elevator wire rope tension adjusting apparatus according to claim 4, wherein: the second hydraulic cylinder (2004) is arranged on one side of the inside of the mounting box (2001), a pressure sensor is arranged at the output end of the second hydraulic cylinder (2004), and the detection end of the pressure sensor is attached to the outer wall of the steel wire rope (300).