CN111942994B

CN111942994B - Automatic traction steel wire rope tension adjusting device based on hydraulic pressure and valve block

Info

Publication number: CN111942994B
Application number: CN202010687206.1A
Authority: CN
Inventors: 夏程豪; 李琛; 厉志安
Original assignee: China Jiliang University
Current assignee: China Jiliang University
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2022-05-31
Anticipated expiration: 2040-07-16
Also published as: CN111942994A

Abstract

The invention discloses a traction steel wire rope tension automatic regulating device based on hydraulic pressure and a valve block, which belongs to the field of elevator accessories and is based on a static pressure transmission principle as a theoretical basis, the device is used for balancing the tension between a plurality of dragging elevator ropes, has simple structure, is convenient to install and maintain, prolongs the service life of the dragging wheel and the dragging steel wire rope, can realize the automatic adjustment of the tension of the dragging steel wire rope, is provided with the oil inlet holes uniformly arranged in the flexible buffer panel, the inside distribution of inlet port has impurity adsorption fiber, and impurity adsorption fiber's setting can effectually remove the impurity in the oil, and the rotation of guide shaft can effectually reduce the impact of oil pressure to the hose inner wall, just can show the life and the security that improve and tow wire rope and driving sheave, has important economy and safe meaning to the operation of elevator.

Description

Automatic traction steel wire rope tension adjusting device based on hydraulic pressure and valve block

Technical Field

The invention relates to the field of elevator accessories, in particular to an automatic traction steel wire rope tension adjusting device based on hydraulic pressure and a valve block.

Background

With the rapid development of urbanization in China, the number of elevators is also rapidly increased, the elevators are used as important equipment for vertical transportation in high-rise buildings, the safety of elevator operation is also widely concerned by society, and the elevators are mainly traction type elevators, wherein an elevator traction steel wire rope is used as an important load-bearing part of the traction type elevator, the elevator traction steel wire rope is suspended to bear the weight of a lift car, a counterweight and passengers, and the traction steel wire rope is dragged to move up and down by friction of a traction wheel, so that the stable and durable operation of the traction steel wire rope is especially important.

In order to ensure a sufficient safety factor, the number of the traction steel ropes of one elevator is at least 2 and more than 2, and the use of a plurality of traction steel ropes easily causes the extension of the traction steel ropes to be inconsistent in the running process, thereby causing uneven tension, and causing uneven abrasion between the steel ropes and the traction wheel grooves, which is specified in GB7588-2003 "elevator manufacturing and installation safety code". The vicious cycle greatly reduces the service life of the traction device and increases the probability of elevator safety accidents;

how to adjust the tension between the dragging steel wire ropes efficiently and economically is a technical problem in the field of elevator driving research at present, the existing automatic tension adjusting device utilizes a compression spring to balance the tension of the dragging steel wire ropes, determines the tension condition of the corresponding dragging steel wire ropes according to the deformation degree of each spring, and can adjust the tension of the dragging steel wire ropes according to the tension condition, but the automatic adjustment of the tension of the dragging steel wire ropes cannot be realized, and the adjusting difficulty is large.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an automatic traction steel wire rope tension adjusting device based on hydraulic pressure and a valve block, which takes a static pressure transmission principle as a theoretical basis, the device is used for balancing the tension between a plurality of dragging elevator ropes, has simple structure, is convenient to install and maintain, prolongs the service life of the dragging wheel and the dragging steel wire rope, can realize the automatic adjustment of the tension of the dragging steel wire rope, is provided with the oil inlet holes uniformly arranged in the flexible buffer panel, the inside distribution of inlet port has impurity adsorption fiber, and impurity adsorption fiber's setting can effectually remove the impurity in the oil, and the rotation of guide shaft can effectually reduce the impact of oil pressure to the hose inner wall, just can show the life and the security that improve and tow wire rope and driving sheave, has important economy and safe meaning to the operation of elevator.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A traction steel wire rope tension automatic regulating device based on hydraulic pressure and a valve block comprises a passage valve block, wherein an oil injection pipeline is arranged on the front side of the passage valve block, the rear end of the oil injection pipeline is communicated with an oil conveying pipeline, the left end of the oil conveying pipeline is communicated with an oil distributing pipe, the left side of the oil distributing pipe is connected with a pipeline connecting piece, a mounting piece is fixedly mounted on the left side of the pipeline connecting piece, a hose is connected to the left side of the mounting piece, a connecting hard pipe is connected to the tail end of the left side of the hose, a first hydraulic sleeve component is connected to the left side of the connecting hard pipe, a second hydraulic sleeve component is fixedly mounted on the left side of the first hydraulic sleeve component, a mounting panel is fixedly mounted on the top end of the second hydraulic sleeve component, a connecting steel rope is arranged on the top end of the mounting panel, and a tapered rope sleeve is connected to the top end of the connecting steel rope, the top of toper fag end is connected with the towline, the inside fixed mounting who connects the hard tube has the bracing piece, the inside fixed mounting that puts of central point of bracing piece has the pivot, the internal connection of pivot has the bull stick, the left end fixed mounting of bull stick has the guide axle, the outside fixed surface who guides the axle installs the fixed block, the outer end fixed mounting of fixed block has the location ball, the oiling groove has been seted up to the upper right side of first hydraulic sleeve subassembly, the left side in oiling groove is provided with the loop bar, the bottom fixed mounting of loop bar has the piston, the outside of piston is connected with the sealing member.

Furthermore, the left end fixed mounting of guide axle has the flexible buffering panel, the inlet port has been seted up to the inside of flexible buffering panel, the inside of inlet port is provided with impurity adsorption fibre, can effectually play the effect of buffering oil pressure.

Furthermore, the longitudinal section of the guide shaft is of a conical structure, the fixing blocks are uniformly arranged on the outer side of the guide shaft, and the fixing blocks and the positioning balls are arranged in a one-to-one correspondence manner, so that pressure reduction is facilitated.

Further, the inside material of flexible buffering panel is silica gel, and the inlet port is trapezoidal shape evenly distributed in the inside of flexible buffering panel to impurity adsorption fiber evenly sets up in the inside of inlet port, and impurity adsorption fiber's inside material is synthetic plastics moreover, conveniently adsorbs the impurity of aquatic.

Furthermore, the oil injection pipeline is in threaded connection with the oil conveying pipeline, the oil conveying pipeline and the oil distribution pipes are vertically arranged, and the oil distribution pipes are provided with 6 groups on the left side of the oil conveying pipeline at equal intervals, so that oil pressure is balanced conveniently.

Further, divide oil pipe, conduit coupling, installed part, hose and connection hard tube all to be the one-to-one setting, and the hose equals with the interior pipeline diameter size of connecting the hard tube to the connected mode of connecting hard tube and oiling groove is threaded connection, makes things convenient for the installation of hose and connection hard tube.

Furthermore, the first hydraulic sleeve component and the second hydraulic sleeve component are arranged in a staggered mode, and 3 groups of the first hydraulic sleeve component and 3 groups of the second hydraulic sleeve component are arranged at equal intervals, so that the service lives of the traction sheave and the traction steel wire rope are prolonged.

Furthermore, the movable rod penetrates through the inside of the first hydraulic sleeve assembly, and the top end of the movable rod is connected with a connecting steel rope, so that hydraulic pressure is conveniently pulled.

Furthermore, the central axis of movable rod and piston coincides each other, and the connected mode of piston and sealing member is for inlaying the connection, conveniently adapts to the oil pressure.

Furthermore, the tapered rope sleeve is matched with the hoisting rope, and the tapered rope sleeve, the first hydraulic sleeve component and the second hydraulic sleeve component are arranged in a one-to-one correspondence mode, so that the tapered rope sleeve and the hoisting rope are conveniently connected and fixed.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that

(1) The scheme is based on a static pressure transmission principle, the device is used for balancing the tension between a plurality of dragging elevator ropes, the device is simple in structure and convenient to install and maintain, the service lives of the dragging wheels and the dragging steel wire ropes are prolonged, the device can achieve automatic adjustment of the tension of the dragging steel wire ropes, oil inlets are uniformly formed in the flexible buffering panel, impurity adsorption fibers are distributed in the oil inlets, impurities in the oil can be effectively removed through the arrangement of the impurity adsorption fibers, the impact of oil pressure on the inner wall of a hose can be effectively reduced through rotation of the guide shaft, the service lives and the safety of the dragging steel wire ropes and the dragging wheels can be obviously improved, and the elevator traction device has important economic and safety significance for operation of an elevator.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the structure of the oil injection pipeline and the oil pipeline in the top view;

FIG. 5 is a schematic side view of the oil tank and hard pipe joint according to the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 5 according to the present invention.

The reference numbers in the figures illustrate:

1. a passage valve block; 2. an oil injection pipeline; 3. an oil pipeline; 4. an oil distributing pipe; 5. a pipe connection; 6. a mounting member; 7. a hose; 8. connecting a hard pipe; 9. a first hydraulic sleeve assembly; 10. a second hydraulic sleeve assembly; 11. establishing an installation panel; 12. connecting steel ropes; 13. a tapered rope sleeve; 14. a hoisting rope; 15. a support bar; 16. a rotating shaft; 17. a rotating rod; 18. a guide shaft; 19. a fixed block; 20. a positioning ball; 21. a flexible buffer panel; 22. an oil inlet hole; 23. adsorbing fiber with impurities; 24. an oil injection groove; 25. a movable rod; 26. a piston; 27. and a seal.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," 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 invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, an automatic tension adjusting device for a traction steel wire rope based on hydraulic pressure and a valve block comprises a passage valve block 1, an oil injection pipeline 2 is arranged at the front side of the passage valve block 1, an oil delivery pipeline 3 is communicated with the rear end of the oil injection pipeline 2, an oil distribution pipeline 4 is communicated with the left end of the oil delivery pipeline 3, a pipeline connecting piece 5 is connected to the left side of the oil distribution pipeline 4, a mounting piece 6 is fixedly mounted on the left side of the pipeline connecting piece 5, a hose 7 is connected to the left side of the mounting piece 6, a connecting hard pipe 8 is connected to the left end of the hose 7, a first hydraulic sleeve component 9 is connected to the left side of the connecting hard pipe 8, a second hydraulic sleeve component 10 is fixedly mounted on the left side of the first hydraulic sleeve component 9, a mounting panel 11 is fixedly mounted on the top end of the second hydraulic sleeve component 10, a connecting steel wire rope 12 is arranged on the top end of the mounting panel 11, and a tapered rope sleeve 13 is connected to the top end of the connecting steel wire 12, the top of toper fag end 13 is connected with towline 14, the inside fixed mounting who connects hard tube 8 has bracing piece 15, the inside fixed mounting of central point of bracing piece 15 puts inside fixed mounting has pivot 16, the internal connection of pivot 16 has bull stick 17, the left end fixed mounting of bull stick 17 has guide shaft 18, guide shaft 18's outside fixed surface installs fixed block 19, fixed block 19's outer end fixed mounting has locating ball 20, oiling groove 24 has been seted up to the upper right side of first hydraulic sleeve subassembly 9, oiling groove 24's left side is provided with movable rod 25, movable rod 25's bottom fixed mounting has piston 26, piston 26's the outside is connected with sealing member 27.

Referring to fig. 5-6, a flexible buffer panel 21 is fixedly mounted at the left end of the delivery shaft 18, an oil inlet 22 is formed in the flexible buffer panel 21, and an impurity adsorbing fiber 23 is disposed in the oil inlet 22, so as to effectively buffer oil pressure. The longitudinal section of the guide shaft 18 is in a conical structure, the fixing blocks 19 are uniformly arranged on the outer side of the guide shaft 18, and the fixing blocks 19 and the positioning balls 20 are arranged in a one-to-one correspondence manner, so that pressure reduction is facilitated. The inside material of flexible buffering panel 21 is silica gel, and inlet port 22 is trapezoidal shape evenly distributed in the inside of flexible buffering panel 21 to impurity adsorption fiber 23 evenly sets up in the inside of inlet port 22, and impurity adsorption fiber 23's inside material is synthetic plastics, conveniently adsorbs the impurity in the oil water moreover.

Referring to fig. 1-4, the oil injection pipeline 2 is connected to the oil delivery pipeline 3 by a screw thread, the oil delivery pipeline 3 and the oil distribution pipes 4 are vertically arranged, and the oil distribution pipes 4 are arranged in 6 groups at equal intervals on the left side of the oil delivery pipeline 3, so that oil pressure can be balanced conveniently. Divide oil pipe 4, conduit coupling 5, installed part 6, hose 7 and be connected the hard tube 8 and all be the one-to-one setting, and hose 7 equals with the interior pipeline diameter size of being connected hard tube 8 to the connected mode of connecting hard tube 8 and oiling groove 24 is threaded connection, makes things convenient for hose 7 and the installation of being connected hard tube 8. The first hydraulic sleeve component 9 and the second hydraulic sleeve component 10 are arranged in a staggered mode, and 3 groups of the first hydraulic sleeve component 9 and the second hydraulic sleeve component 10 are arranged at equal intervals, so that the service lives of the traction sheave and the traction steel wire rope are prolonged. The movable rod 25 penetrates through the first hydraulic sleeve assembly 9, and the top end of the movable rod 25 is connected with a connecting steel rope 12, so that hydraulic traction is facilitated. The central axes of the movable rod 25 and the piston 26 are overlapped, and the piston 26 and the sealing element 27 are connected in an embedded manner, so that the oil pressure is conveniently adapted. The tapered rope sleeve 13 is matched with the hoisting rope 14, and the tapered rope sleeve 13 is arranged in one-to-one correspondence with the first hydraulic sleeve component 9 and the second hydraulic sleeve component 10, so that the tapered rope sleeve 13 and the hoisting rope 14 can be conveniently connected and fixed.

Referring to fig. 1-2, in use, the installation panel 11 as shown in fig. 1 is first installed at a proper position of an elevator, the hoisting rope 14 is stably connected to the top end of the movable rod 25 arranged at the bottom of the connecting steel rope 12 through the tapered rope sleeve 13, the hoisting rope 14 is dragged to enable the movable rod 25 to slide up and down through the piston 26, the sliding of the piston 26 can effectively change the oil pressure at the upper side of the piston 26, the oil pressure is too high, the oil and water are injected into the hose 7 through the oil injection groove 24, pass through the installation part 6 arranged at the tail end of the hose 7, flow into the oil pipeline 3 through the oil distribution pipe 4, and balance the oil pressure through the oil pipeline 3;

the main principle is based on the hydrostatic transmission principle, which mainly uses the incompressibility of liquid, and at one end of a closed container, a piston applies acting force to the liquid, the liquid can transmit equal force to the container wall and the piston at the other end, and the pressure intensity at two ends is equal^[6]. The application of this principle in this design is that if a certain pressure is applied to one piston in a hydraulic system, the same pressure increase will be generated on the other piston, and pascal's law: a certain part of static fluid in the closed container generates pressure change and transmits the pressure change to all directions invariably;

The oil water passes through the oil inlet hole 22 in the flexible buffer panel 21, the impurity adsorption fibers 23 are uniformly distributed in the oil inlet hole 22, impurities in the oil can be effectively removed by arranging the impurity adsorption fibers 23, the purified oil water rotates in the rotating shaft 16 through the guide shaft 18, and under the action of the positioning ball 20 arranged at the outer end of the fixing block 19, the oil water is conveniently and uniformly dispersed, the impact of the oil pressure on the inner wall of the hose can be effectively reduced, the service life and the safety of the traction steel wire rope and the traction wheel can be obviously prolonged, the automatic tension adjusting device has important economic and safety significance for the operation of an elevator, a series of operations of the automatic tension adjusting device for the traction steel wire rope based on hydraulic pressure and a valve block are completed, the static pressure transmission principle is taken as a theoretical basis, the automatic tension adjusting device is used for balancing the tension among a plurality of traction steel rope, the device is simple in structure and convenient to install and maintain, the service lives of the traction sheave and the traction steel wire rope are prolonged, the device can realize automatic adjustment of traction steel wire rope tension, the oil inlet holes are uniformly formed in the flexible buffer panel, impurity adsorption fibers are distributed in the oil inlet holes, impurities in oil can be effectively removed through the impurity adsorption fibers, impact of oil pressure on the inner wall of the hose can be effectively reduced through rotation of the guide shaft, the service lives and safety of the traction steel wire rope and the traction sheave can be remarkably prolonged, and the device has important economic and safety significance on operation of an elevator.

The above are only preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a tow wire rope tension automatic regulating apparatus based on hydraulic pressure and valve block, includes route valve block (1), its characterized in that: the front side of passageway valve piece (1) is provided with oil injection pipeline (2), the rear end intercommunication of oil injection pipeline (2) has oil pipeline (3), the left end intercommunication of oil pipeline (3) has branch oil pipe (4), the left side of branch oil pipe (4) is connected with pipe connection spare (5), the left side fixed mounting of pipe connection spare (5) has installed part (6), the left side of installed part (6) is connected with hose (7), the left side end-to-end connection of hose (7) has connection hard tube (8), the left side of connecting hard tube (8) is connected with first hydraulic sleeve subassembly (9), the left side fixed mounting of first hydraulic sleeve subassembly (9) has second hydraulic sleeve subassembly (10), the top fixed mounting of second hydraulic sleeve subassembly (10) has the construction installation panel (11), the top of establishing installation panel (11) is provided with connecting steel cable (12), the top of connecting steel cable (12) is connected with toper noose (13), the top of toper noose (13) is connected with towline (14), the inside fixed mounting who connects hard tube (8) has bracing piece (15), the central point of bracing piece (15) puts inside fixed mounting has pivot (16), the internal connection of pivot (16) has bull stick (17), the left end fixed mounting of bull stick (17) leads and send axle (18), the outside fixed surface who leads and send axle (18) installs fixed block (19), the outer end fixed mounting of fixed block (19) has location ball (20), oiling groove (24) have been seted up to the upper right side of first hydraulic sleeve subassembly (9), the left side of oiling groove (24) is provided with loop bar (25), the bottom fixed mounting of loop bar (25) has piston (26), the outside of piston (26) is connected with sealing member (27), lead the left end fixed mounting who sends axle (18) and have flexible buffering panel (21), inlet port (22) have been seted up to the inside of flexible buffering panel (21), the inside of inlet port (22) is provided with impurity adsorption fibre (23), oily water is through inside inlet port (22) of flexible buffering panel (21), and the inside evenly distributed of inlet port (22) has impurity adsorption fibre (23), can effectually remove the impurity in the oil in the setting of impurity adsorption fibre (23), and the profit after the purification rotates in the inside of pivot (16) through leading axle (18) to under the effect of location ball (20) that sets up in fixed block (19) outer end, make things convenient for evenly leading of profit to scatter, can effectually reduce the impact of oil pressure to hose inner wall.

2. The automatic traction steel wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the longitudinal section of the guide shaft (18) is of a conical structure, the fixing blocks (19) are uniformly arranged on the outer side of the guide shaft (18), and the fixing blocks (19) and the positioning balls (20) are arranged in a one-to-one correspondence manner.

3. The automatic traction steel wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the inside material of flexible buffer panel (21) is silica gel, and inlet port (22) are trapezoidal shape evenly distributed in the inside of flexible buffer panel (21) to impurity adsorption fibre (23) evenly sets up in the inside of inlet port (22), and the inside material of impurity adsorption fibre (23) is synthetic plastics moreover.

4. The automatic traction steel wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the oil injection pipeline (2) is connected with the oil conveying pipeline (3) in a threaded manner, the oil conveying pipeline (3) and the oil distribution pipe (4) are vertically arranged, and 6 groups of the oil distribution pipe (4) are arranged on the left side of the oil conveying pipeline (3) at equal intervals.

5. The automatic traction wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the oil distribution pipe (4), the pipeline connecting piece (5), the mounting piece (6), the hose (7) and the connecting hard pipe (8) are all arranged in a one-to-one correspondence mode, the hose (7) is equal to the diameter of the inner pipeline of the connecting hard pipe (8), and the connecting hard pipe (8) is connected with the oil injection groove (24) in a threaded mode.

6. The automatic traction steel wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the first hydraulic sleeve component (9) and the second hydraulic sleeve component (10) are arranged in a staggered mode, and 3 groups of the first hydraulic sleeve component (9) and 3 groups of the second hydraulic sleeve component (10) are arranged at equal intervals.

7. The automatic traction wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the movable rod (25) penetrates through the interior of the first hydraulic sleeve assembly (9), and the top end of the movable rod (25) is connected with a connecting steel rope (12).

8. The automatic traction wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the central axes of the movable rod (25) and the piston (26) are superposed with each other, and the piston (26) and the sealing element (27) are connected in an embedded manner.

9. The automatic traction wire rope tension adjusting device based on the hydraulic pressure and the valve block as claimed in claim 1, characterized in that: the tapered rope sleeve (13) is matched with the hoisting rope (14), and the tapered rope sleeve (13) is arranged in one-to-one correspondence with the first hydraulic sleeve component (9) and the second hydraulic sleeve component (10).