CN213981871U

CN213981871U - Steel cable tensioning adjusting steering device

Info

Publication number: CN213981871U
Application number: CN202023069641.2U
Authority: CN
Inventors: 过立雄; 吴晓怡
Original assignee: Shanghai Molan Machinery Technology Co ltd
Current assignee: Shanghai Molan Machinery Technology Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-17
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a cable wire tensioning is adjusted and is turned to device, which comprises a frame, the upper end of frame is equipped with linear slide rail along length direction, sliding connection has the support on the linear slide rail, be provided with the pulley in the support, the pulley is connected through pivot and leg rotation, the one end fixedly connected with pull rod of support, the outside of frame is connected with the sleeve, the pull rod runs through the lateral wall and the straight telescopic inside of following of frame and passes, telescopic internally mounted has elastic component, the pull rod is connected with elastic component, the one end that the support was kept away from to the pull rod is connected with travel switch. The utility model discloses can stabilize the tensioning cable wire, but the tensile force is linear even and manual regulation, and the impact force is little, simple structure, and it is convenient to maintain to have the function of lax warning.

Description

Steel cable tensioning adjusting steering device

Technical Field

The utility model relates to a cable wire technical field, concretely relates to cable wire tensioning adjusts and turns to device.

Background

The steel cable tensioning adjusting device is widely applied to the field of steel cable driving, is a mechanism design which must be considered in the design of steel cable driving, can effectively overcome the problem of extension failure of a steel cable caused by long-term work, and has the main structural principle of a gravity type tensioning device, a hydraulic oil cylinder type tensioning device, a lever type tensioning device and the like, wherein the three tensioning devices have some defects when in use:

(1) in a gravity type tensioning device, a rope end counterweight is required to be tensioned by utilizing the gravity principle, the structural form must be moved vertically, the design form of horizontal movement cannot be realized, and the structural design is single and limited; meanwhile, the weight of the counterweight at the rope end is constant, the weight is always applied to the steel cable by fixed mass, real-time adjustment cannot be performed in the tensioning process, and inertial impact exists in the running process of the steel cable; and after the gravity type tensioning device steel cable runs for a long time, the steel cable is prolonged under the action of stress, whether the running of the device is influenced by the loosening condition of the steel cable cannot be judged, and the automatic early warning function is not provided for the prolonging of the steel cable.

(2) In the hydraulic oil cylinder type tensioning device, an oil cylinder driven by a hydraulic system provides tensioning force for a pulley, the hydraulic system is complex in structure and high in maintenance and repair requirements, and the hydraulic oil cylinder type tensioning device cannot be applied to occasions with requirements on cleanliness.

(3) In the lever type tensioning device, a lever adjusting device provides tensioning force for a lever, the tensioning effect on a steel cable is limited, the space utilization rate is low, frequent adjustment is needed, and time and labor are wasted in operation.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a cable wire tensioning is adjusted and is turned to device can stabilize the tensioning cable wire, but the tensile force is linear even and manual regulation, and the impact force is little, simple structure, and it is convenient to maintain to have the function of lax warning.

For realize above-mentioned purpose and other relevant mesh, the utility model provides a cable wire tensioning is adjusted and is turned to device, which comprises a frame, the upper end of frame is equipped with linear slide rail along length direction, sliding connection has the support on the linear slide rail, be provided with the pulley in the support, the pulley is connected through pivot and leg joint, the one end fixedly connected with pull rod of support, the outside of frame is connected with the sleeve, the pull rod runs through the lateral wall and the straight telescopic inside of following of frame and passes, telescopic internally mounted has elastic component, the pull rod is connected with elastic component, the one end that the support was kept away from to the pull rod is connected with travel switch.

Preferably, the rotating shaft is fixedly sleeved with two baffles which are respectively connected to the upper end and the lower end of the pulley.

Preferably, limit stops for preventing the rotating shaft from being separated are arranged at the two ends of the rotating shaft.

Preferably, two ends of the rotating shaft are rotatably connected with the bracket through bearings.

Preferably, the elastic assembly comprises a spring seat, a spring group and a partition plate, the spring seat is fixedly installed at one end, far away from the support, in the sleeve, the partition plate is fixedly sleeved on the pull rod, and two ends of the spring group are fixedly connected with the spring seat and the partition plate respectively.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up structures such as frame, linear slide rail, support, pulley, pull rod and sleeve, the tensile dynamic tensioning of cable wire has been realized at the operation in-process to the cable wire for load operates steadily, and can provide the warning suggestion when the cable wire is lax, has improved the security performance when load operation. The device realizes the functions of tensioning, dynamic adjustment, steering and the like, has compact structure, simple and convenient adjustment and simple maintenance, and improves the reliability in the use process through the arrangement of the travel switch.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of the internal structure of the middle sleeve according to the present invention.

Wherein the reference numerals are specified as follows: the device comprises a frame 1, a linear sliding rail 2, a support 3, a pulley 4, a pull rod 5, a sleeve 6, a travel switch 7, a rotating shaft 8, a baffle 9, a limit stop 10, a spring seat 11, a spring group 12 and a partition plate 13.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1-4, the utility model provides a cable wire tensioning is adjusted and is turned to device, including frame 1, frame 1's upper end is equipped with linear slide rail 2 along length direction, sliding connection has support 3 on linear slide rail 2, be provided with pulley 4 in the support 3, pulley 4 rotates through pivot 8 and support 3 to be connected, the one end fixedly connected with pull rod 5 of support 3, frame 1's the outside is connected with sleeve 6, pull rod 5 runs through frame 1's lateral wall and directly passes from sleeve 6's inside, sleeve 6's internally mounted has elastic component, pull rod 5 is connected with elastic component, the one end that support 3 was kept away from to pull rod 5 is connected with travel switch 7.

Wherein, cup joint on the pivot 8 and be fixed with two baffles 9, baffle 9 is connected respectively in pulley 4's upper and lower both ends, and baffle 9 has played the effect that spacing blockked to pulley 4, prevents that pulley 4 from taking place to slide from top to bottom in pivot 8.

Wherein, the two ends of the rotating shaft 8 are both provided with limit stops 10 for preventing the rotating shaft 8 from deviating, and the rotating shaft 8 is ensured to normally keep rotating in the bracket 3.

Wherein, the both ends of pivot 8 are passed through the bearing and are rotated with support 3 and be connected, and smoothness and stability when having improved pivot 8 and rotating for pulley 4 can realize the steering function to the cable wire steadily.

The elastic assembly comprises a spring seat 11, a spring group 12 and a partition plate 13, the spring seat 11 is fixedly installed at one end, far away from the support 3, in the sleeve 6, the partition plate 13 is fixedly connected to the pull rod 5 in a sleeved mode, and two ends of the spring group 12 are fixedly connected with the spring seat 11 and the partition plate 13 respectively.

The working principle is as follows: when the steel cable tensioning device is used, a steel cable is wound on the pulley 4, the steel cable is tensioned in the groove body of the pulley 4 through contraction of the pull rod 5, the spring group 12 is compressed along with gradual tightening of the steel cable, tensioning operation of the steel cable is completed, when the steel cable runs, the steel cable rolls in the groove body of the pulley 4, the steel cable connection assistance can fluctuate along with factors such as moving speed and inertia, the steel cable is inconsistent in tightness, the steel cable jumps in the groove body of the pulley 4, the steel cable is forced to be kept at a uniform tensioning force all the time by the pretightening force of the spring group 12 at the moment, speed fluctuation of a load in the moving process is avoided, when the steel cable is loosened or broken, the travel switch 7 is triggered by the pull rod 5, an alarm signal is output, a warning effect is achieved, and reliability and safety are.

To sum up, the utility model discloses can stabilize the tensioning cable wire, but the tensile force is linear even and manual regulation, and the impact force is little, simple structure, and it is convenient to maintain to have the function of lax warning. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cable wire tensioning is adjusted and is turned to device, a serial communication port, includes the frame, the upper end of frame is equipped with linear slide rail along length direction, sliding connection has the support on the linear slide rail, be provided with the pulley in the support, the pulley is connected through pivot and leg rotation, the one end fixedly connected with pull rod of support, the outside of frame is connected with the sleeve, the pull rod runs through the lateral wall and the straight telescopic inside of following of frame and passes, telescopic internally mounted has elastic component, the pull rod is connected with elastic component, the one end that the support was kept away from to the pull rod is connected with travel switch.

2. A wire rope tension adjusting steering apparatus as claimed in claim 1, wherein: the rotating shaft is fixedly sleeved with two baffle plates, and the baffle plates are respectively connected to the upper end and the lower end of the pulley.

3. A wire rope tension adjusting steering apparatus as claimed in claim 1, wherein: and limit stop blocks for preventing the rotating shaft from deviating are arranged at the two ends of the rotating shaft.

4. A wire rope tension adjusting steering apparatus as claimed in claim 1, wherein: and two ends of the rotating shaft are rotatably connected with the bracket through bearings.

5. A wire rope tension adjusting steering apparatus as claimed in claim 1, wherein: the elastic assembly comprises a spring seat, a spring group and a partition plate, the spring seat is fixedly installed at one end, far away from the support, in the sleeve, the partition plate is fixedly connected to the pull rod in a sleeved mode, and two ends of the spring group are fixedly connected with the spring seat and the partition plate respectively.