Tension adjusting device for rope

Abstract

The utility model provides a tension adjusting device for a rope, which comprises a bottom plate, connecting holes are respectively arranged at four corners of the bottom plate, a tension mechanism is arranged in the middle of the top of the bottom plate, and the tension mechanism comprises a fixing block, a sliding groove, a sliding block, a threaded hole, a first U-shaped plate and a connecting rod which are arranged in the middle of the top of the bottom plate. A second U-shaped plate is jointly hinged to the tops of the two connecting rods, a two-way lead screw penetrating through the sliding block is arranged in the sliding groove, a self-locking mechanism is arranged at the left side end of the fixing block, and a connecting mechanism is arranged at the top of the second U-shaped plate. According to the tensioning adjusting device for the rope, the rope can be tensioned, the rope can be automatically tensioned, the self-locking mechanism is arranged, the situation that the rope slides after being tensioned is avoided, and therefore the overall using effect and the overall using efficiency of the device are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tensioning and adjusting equipment, and in particular relates to a tensioning and adjusting device for a rope. Background Art

[0002] A tension adjustment device for a rope is a mechanical device designed to maintain and adjust the proper tension of a rope during use. This device is commonly found in various mechanical equipment and systems, such as elevators, window regulators, infinite rope winches, conveyors, and other occasions where it is necessary to maintain a stable tension on the rope to ensure safe operation or effective work. Existing tension adjustment devices for ropes require staff to assist in adjusting the device during use, and such an adjustment method affects the overall efficiency and effect of the device during application.

[0003] For example, the utility model with announcement number CN213171016U discloses a tensioning device for a speed limiter rope. The technical solution of this patent includes a speed limiter body, a speed limiter rope wheel is fixedly arranged in the middle of the top of the speed limiter body, a steel wire rope is slidably connected to one side of the speed limiter rope wheel, and a tensioning adjustment box is fixedly connected to the other side of the top of the speed limiter body through two connecting rods. Through holes are provided at the top and bottom ends of the tensioning adjustment box, and the two through holes are respectively connected to the two sides of the middle of the steel wire rope. A support rod is fixedly connected to the bottom end of one side of the inner wall of the tensioning adjustment box, and one end of the support rod is fixedly connected to a first rope winding wheel, and one side of the first rope winding wheel is slidably connected to the bottom end of one side of the steel wire rope. During the use of this device, during the tensioning process, the rope is easy to slide, resulting in tensioning failure, thereby affecting the overall use effect and overall use efficiency of the device. Utility Model Content

[0004] In view of this, the utility model aims to solve the shortcomings of the prior art and provide a tensioning and adjusting device for a rope, which can not only tension the rope, but also automatically tension the rope, and is provided with a self-locking mechanism to prevent the rope from slipping after tensioning, thereby improving the overall use effect and overall efficiency of the device.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a tensioning and adjusting device for a rope, comprising a base plate, connecting holes are respectively arranged at the four corners of the base plate, a tensioning mechanism is arranged in the middle of the top of the base plate, the tensioning mechanism comprises a fixed block arranged in the middle of the top of the base plate, a slide groove with an opening facing upward is arranged in the middle of the fixed block, two sliders are arranged inside the slide groove, threaded holes are respectively arranged at the side ends of the two sliders, U-shaped plate 1 is respectively arranged on the top of the two sliders, the U-shaped plate 1 is welded to the slider, the two U-shaped plates 1 are respectively hingedly arranged with connecting rods inside, the tops of the two connecting rods are jointly hinged with a U-shaped plate 2, a bidirectional screw passing through the slider is arranged inside the slide groove, a self-locking mechanism is arranged at the left end of the fixed block, and a connecting mechanism is arranged on the top of the U-shaped plate 2.

[0006] As a further improvement of the utility model, the self-locking mechanism includes two support plates arranged at the left end of the fixed block, a worm gear is arranged at the left end of the bidirectional screw, a worm gear meshing with the worm gear is rotatably arranged in the middle part of the two support rods, a rotating motor connected to the worm gear is arranged at the top of the top support rod, and the rotating motor and the worm gear are connected by a coupling.

[0007] As a further improvement of the present invention, the connecting mechanism includes a U-shaped frame 1 arranged on the top of the U-shaped plate 2, the U-shaped frame 1 and the U-shaped plate 2 are welded together, a rotating plate 1 is hingedly arranged in the middle of the U-shaped frame 1, a fixing rod is arranged on the top of the rotating plate 1, a U-shaped frame 2 is arranged on the top of the fixing rod, a rotating plate 2 is hingedly arranged inside the U-shaped frame 2, a cylinder is arranged on the top of the rotating plate 2, a connecting ring is arranged on the cylinder, and the connecting ring and the cylinder are welded together.

[0008] As a further improvement of the utility model, a plurality of connecting plates connected to the fixed block are arranged on the top of the base plate, the plurality of connecting plates are welded to the fixed block and the base plate, a switch is arranged in the middle of the top of the base plate, and the switch is electrically connected to the first rotating motor.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] First, start the first rotating motor. The rotation of the first rotating motor drives the worm to rotate. The rotation of the worm drives the worm wheel meshing with it to rotate, thereby providing power for the tensioning device and having a self-locking ability to prevent the device from slipping during tensioning, thereby causing a safety accident.

[0011] Secondly, the rotation of the worm gear drives the bidirectional lead screw to rotate, and the rotation of the bidirectional lead screw drives the slider to slide inside the slide groove, so that the connecting rod rotates inside the U-shaped plate 1 connected to the slider, thereby driving the U-shaped plate 2 to move up and down, and the connecting mechanism moves up and down, thereby tightening and relaxing the rope.

[0012] Thirdly, a U-shaped frame is provided on the top of the U-shaped plate 2, a rotating plate 1 is hingedly provided inside the U-shaped frame, a fixed rod is provided on the top of the rotating plate 1, a U-shaped frame 2 is provided on the top of the fixed rod, a rotating plate 2 is hingedly provided in the middle of the U-shaped frame 2, a connecting ring is provided on the top of the rotating plate 2, so that the rope can be connected, and the connecting mechanism is equivalent to a universal joint, preventing the shaking of the rope from causing damage to the device.

[0013] Fourthly, a plurality of connecting plates connected to the fixing blocks are arranged on the top of the bottom plate, so that the connection between the top fixing blocks and the bottom plate is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a partial enlarged structural schematic diagram of A of the utility model;

[0017] Figure 3 It is a partial enlarged structural schematic diagram of B of the utility model;

[0018] Figure 4 It is a front view structural schematic diagram of the utility model.

[0019] In the figure: 101, bottom plate; 102, fixed block; 103, slide groove; 104, slider; 105, U-shaped plate 1; 106, connecting rod; 107, U-shaped plate 2; 108, bidirectional screw; 109, worm gear; 110, support plate; 111, worm; 112, rotating motor; 113, U-shaped frame 1; 114, rotating plate 1; 115, fixed rod; 116, U-shaped frame 2; 117, rotating plate 2; 118, cylinder; 119, connecting ring; 120, switch; 201, connecting plate. DETAILED DESCRIPTION

[0020] In order to better understand the present invention, the content of the present invention is further clearly described below in conjunction with the embodiments, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.

[0021] like Figure 1 , 2As shown, a tensioning and adjusting device for a rope comprises a base plate 101, connecting holes are respectively arranged at the four corners of the base plate 101, a tensioning mechanism is arranged in the middle of the top of the base plate 101, the tensioning mechanism comprises a fixed block 102 arranged in the middle of the top of the base plate 101, a slide groove 103 with an upward opening is arranged in the middle of the fixed block 102, two sliders 104 are arranged inside the slide groove 103, the side ends of the two sliders 104 are respectively arranged with threaded holes, the tops of the two sliders 104 are respectively provided with U-shaped plates 105, the U-shaped plates 105 are welded to the sliders 104, the two U-shaped plates 105 are respectively hingedly provided with connecting rods 106 inside, the tops of the two connecting rods 106 are jointly hinged with U-shaped plates 2 107, the slide groove 103 is provided with a bidirectional lead screw 108 passing through the slider 104, the left end of the fixed block 102 is provided with a self-locking mechanism, and the top of the U-shaped plate 2 107 is provided with a connecting mechanism.

[0022] like Figure 1 , 3 As shown, the self-locking mechanism includes two support plates 110 arranged at the left end of the fixed block 102, a worm gear 109 is arranged at the left end of the bidirectional lead screw 108, a worm 111 meshing with the worm gear 109 is rotatably arranged in the middle of the two support rods, a rotating motor 112 connected to the worm 111 is arranged at the top of the top support rod, and the rotating motor 112 and the worm 111 are connected via a coupling.

[0023] like Figure 1 , 4 As shown, the connecting mechanism includes a U-shaped frame 113 arranged on the top of the U-shaped plate 107, the U-shaped frame 113 and the U-shaped plate 107 are welded together, a rotating plate 114 is hingedly arranged in the middle of the U-shaped frame 113, a fixing rod 115 is arranged on the top of the rotating plate 114, a U-shaped frame 116 is arranged on the top of the fixing rod 115, a rotating plate 117 is hingedly arranged inside the U-shaped frame 116, a cylinder 118 is arranged on the top of the rotating plate 117, a connecting ring 119 is arranged on the cylinder 118, and the connecting ring 119 and the cylinder 118 are welded together.

[0024] like Figure 1 As shown, a plurality of connecting plates 201 connected to the fixed block 102 are arranged on the top of the base plate 101, and the plurality of connecting plates 201 are welded to the fixed block 102 and the base plate 101. A switch 120 is arranged in the middle of the top of the base plate 101, and the switch 120 is electrically connected to the first rotating motor 112.

[0025] The user first starts the first rotating motor 112. The rotation of the first rotating motor 112 drives the worm 111 to rotate. The rotation of the worm 111 drives the worm wheel 109 meshing therewith to rotate, thereby providing power for the tensioning device and having a self-locking ability to prevent the device from slipping during tensioning, thereby causing a safety accident. The rotation of the worm wheel 109 drives the bidirectional lead screw 108 to rotate. The rotation of the bidirectional lead screw 108 drives the slider 104 to slide inside the slide groove 103, thereby making the connecting rod 106 rotate inside the U-shaped plate 1 105 connected to the slider 104, thereby driving the U-shaped plate 2 107 to move up and down, and the connecting mechanism moves up and down, thereby tensioning and relaxing the rope.

[0026] A U-shaped frame is provided on the top of the U-shaped plate 107, and a rotating plate 114 is hingedly provided inside the U-shaped frame. A fixed rod 115 is provided on the top of the rotating plate 114, and a U-shaped frame 116 is provided on the top of the fixed rod 115. A rotating plate 117 is hingedly provided in the middle of the U-shaped frame 116, and a connecting ring 119 is provided on the top of the rotating plate 117, so that the rope can be connected, and the connecting mechanism is equivalent to a universal joint, so that the shaking of the rope will not cause damage to the device. A plurality of connecting plates 201 connected to the fixed block 102 are provided on the top of the bottom plate 101, so that the connection between the top block and the bottom plate 101 is more stable.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A tension adjustment device for a rope, comprising a bottom plate (101), characterized in that: The four corners of the bottom plate (101) are respectively provided with connection holes, and a tensioning mechanism is provided in the middle of the top of the bottom plate (101). The tensioning mechanism comprises a fixed block (102) arranged in the middle of the top of the bottom plate (101), a sliding groove (103) with an upward opening is provided in the middle of the fixed block (102), two sliding blocks (104) are provided inside the sliding groove (103), and the side ends of the two sliding blocks (104) are respectively provided with threaded holes, and the tops of the two sliding blocks (104) are respectively provided with U-shaped plates (105), and the two U-shaped plates (105) are respectively hinged with connecting rods (106) inside, and the tops of the two connecting rods (106) are jointly hinged with U-shaped plates (107), and a bidirectional screw (108) passing through the sliding block (104) is provided inside the sliding groove (103), and a self-locking mechanism is provided at the left end of the fixed block (102), and a connecting mechanism is provided at the top of the U-shaped plate (107).

2. A tension adjustment device for a rope as claimed in claim 1, characterized in that: The self-locking mechanism comprises two support plates (110) arranged at the left end of the fixed block (102), a worm wheel (109) is arranged at the left end of the bidirectional lead screw (108), a worm (111) meshing with the worm wheel (109) is rotatably arranged in the middle of the two support rods, a rotating motor (112) connected to the worm (111) is arranged at the top of the top support rod, and the rotating motor (112) and the worm (111) are connected via a coupling.

3. A tension adjustment device for a rope as claimed in claim 2, characterized in that: The connection mechanism comprises a U-shaped frame (113) arranged on the top of the U-shaped plate (107), a rotating plate (114) is hingedly arranged in the middle of the U-shaped frame (113), a fixing rod (115) is arranged on the top of the rotating plate (114), a U-shaped frame (116) is arranged on the top of the fixing rod (115), a rotating plate (117) is hingedly arranged inside the U-shaped frame (116), a cylinder (118) is arranged on the top of the rotating plate (117), and a connecting ring (119) is arranged on the cylinder (118).

4. A tension adjustment device for a rope as claimed in claim 3, characterized in that: A plurality of connecting plates (201) connected to the fixing block (102) are arranged on the top of the bottom plate (101).

5. A tension adjustment device for a rope as claimed in claim 4, characterized in that: A switch (120) is arranged in the middle of the top of the bottom plate (101).

6. A tension adjustment device for a rope as claimed in claim 5, characterized in that: The U-shaped plate 1 (105) and the slider (104) are connected by welding.

7. A tension adjustment device for a rope as claimed in claim 6, characterized in that: The U-shaped frame 1 (113) and the U-shaped plate 2 (107) are connected by welding, and the connecting ring (119) and the cylinder (118) are connected by welding.

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