Adjustable safety rope device

Abstract

The utility model provides an adjustable safety rope device, the adjustable safety rope device is connected to a truss arm, the adjustable safety rope device comprises a safety rope and two adjusting mechanisms, the two adjusting mechanisms are respectively connected to the two ends of the truss arm, the two ends of the safety rope are respectively connected to the two adjusting mechanisms, and the adjusting mechanisms are arranged on the truss arm. The adjusting mechanism comprises a first adjusting mechanism and a fixing support, the end of the safety rope is telescopically connected to the first adjusting mechanism, the safety rope is wound around the fixing support, and the fixing support can adjust the height of the safety rope. The first adjusting mechanism is matched with the fixing support so that the safety rope can be tensioned. According to the adjustable safety rope device, different safety rope heights can be rapidly switched, and the adjustable safety rope device is convenient to operate, safe and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, in particular to an adjustable safety rope device. Background Art

[0002] Crawler crane operators usually need to walk or work on the boom. When the boom height is greater than 2m, safety protection is usually required. Most crawler crane booms have a walkway device added to the upper surface to improve operation and walking safety. Some products will also have an additional safety rope device. Workers hang their safety belts on the safety rope to ensure safety when working.

[0003] Most current products use a high-hanging safety rope system that switches from working to transport mode. However, this operation is cumbersome and lacks the necessary time and effort. Furthermore, the safety rope's length cannot be adjusted. When switching from a high to a low position, the rope hangs too close to the boom's upper surface, rendering it ineffective for protecting the operator and potentially creating a fall risk. Furthermore, the fixed height of the vertical poles on either side of the safety rope makes it difficult to meet the operational needs of different users in different situations. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide an adjustable safety rope device, which can solve the problems existing in the prior art, can quickly switch different safety rope heights, has a simple structure, is easy to operate, and is safe and reliable.

[0005] The utility model provides an adjustable safety rope device, which is connected to a truss arm. The adjustable safety rope device includes a safety rope and two adjustment mechanisms. The two adjustment structures are respectively connected to the two ends of the truss arm, and the two ends of the safety rope are respectively connected to the two adjustment mechanisms. The adjustment mechanism includes a first adjustment mechanism and a fixed bracket. The end of the safety rope is telescopically connected to the first adjustment mechanism. The safety rope is arranged to bypass the fixed bracket. The fixed bracket can adjust the height of the safety rope. The first adjustment mechanism cooperates with the fixed bracket to tighten the safety rope.

[0006] In one embodiment, the first adjustment mechanism includes a supporting bracket and an adjusting assembly, the fixed bracket and the supporting bracket are respectively fixedly connected to the truss arm, the fixed bracket and the supporting bracket are spaced apart, the adjusting assembly is rotatably connected to the supporting bracket, the safety rope includes a steel wire rope, an adjusting member and a connecting assembly, the end of the steel wire rope is movably connected to one end of the adjusting member, and the other end of the adjusting member is movably connected to the connecting assembly, and the distance between the connecting assembly and the steel wire rope is adjusted by controlling the connecting assembly so that the length of the safety rope can be adjusted, the safety rope is connected to the fixed bracket through the connecting assembly, and the steel wire rope is arranged to bypass the adjusting assembly.

[0007] In one embodiment, the steel wire rope and the adjusting member are connected by a thread, and the adjusting member and the connecting assembly are connected by a thread to adjust the distance between the steel wire rope and the connecting assembly; or the steel wire rope and the adjusting member are connected by a first telescopic structure, and the adjusting member and the connecting assembly are connected by a second telescopic structure to adjust the distance between the steel wire rope and the connecting assembly.

[0008] In one embodiment, the fixing bracket is arranged obliquely relative to the truss arm, and the fixing bracket is provided with a first connecting hole, a second connecting hole and a third connecting hole. The first connecting hole, the second connecting hole and the third connecting hole are arranged at intervals along the length direction of the fixing bracket, and the third connecting hole is provided on a side of the fixing bracket close to the supporting bracket, and the safety rope is connected to the first connecting hole, the second connecting hole or the third connecting hole.

[0009] In one embodiment, the support bracket is provided with a rotating base hole, a first fixing hole, a second fixing hole and a third fixing hole, the first fixing hole, the second fixing hole and the third fixing hole are circumferentially arranged around the rotating base hole, the first fixing hole is arranged at one end of the support bracket close to the fixing bracket, the adjustment component is provided with a first through hole and a second through hole arranged at intervals, a first fastener passes through the first through hole and the rotating base hole so that the adjustment component is rotatably connected to the support bracket, the second fastener passes through the second through hole to be connected to the first fixing hole, or the second fastener passes through the second through hole to be connected to the second fixing hole, or the second fastener passes through the second through hole to be connected to the third fixing hole.

[0010] In one embodiment, when the connecting component of the safety rope is connected to the first connecting hole, the second fastener is passed through the second through hole and the first fixing hole, and the safety rope is located in the transport position or the low position; when the connecting component is connected to the second connecting hole, the second fastener is passed through the second through hole and the second fixing hole, and the safety rope is located in the middle position; when the connecting component is connected to the third connecting hole, the second fastener is passed through the second through hole and the third fixing hole, and the safety rope is located in the high position.

[0011] In one embodiment, the adjustment assembly includes an inner tube and an outer tube, the inner tube is arranged in the outer tube, the outer tube is provided with a first adjustment hole and at least one second adjustment hole arranged at intervals, the second adjustment hole is arranged close to the support bracket, when the inner tube is connected to the outer tube through the first adjustment hole, the safety rope is located in the high position, when the inner tube is connected to the outer tube through the second adjustment hole, the safety rope is located in the middle position, the low position or the transport position.

[0012] In one embodiment, the adjustable safety rope device also includes a roller assembly, and a first through hole, a second through hole and a third through hole are provided at one end of the adjustment assembly away from the support bracket, the connecting line between the first through hole, the second through hole and the third through hole is a triangle, the first through hole and the third through hole are spaced apart in the vertical direction, and the second through hole is provided between the first through hole and the third through hole. When the roller assembly is connected to the adjustment assembly through the first through hole and the second through hole, the safety rope is located in the low position; when the roller assembly is connected to the adjustment assembly through the first through hole and the third through hole, the safety rope is located in the transport position.

[0013] In one embodiment, the adjustable safety rope device also includes a roller assembly, and a first through hole, a second through hole and a third through hole are provided at one end of the adjustment assembly away from the support bracket, the connecting line between the first through hole, the second through hole and the third through hole is a triangle, the first through hole and the third through hole are spaced apart in the vertical direction, and the second through hole is provided between the first through hole and the third through hole. When the roller assembly is connected to the adjustment assembly through the first through hole and the third through hole, the safety rope is located in the transport position.

[0014] In one embodiment, the roller assembly includes a roller and a mounting seat, the mounting seat includes a first mounting plate, a second mounting plate and a connecting plate, the first mounting plate and the second mounting plate are arranged opposite to each other, the connecting plate is fixedly connected between the first mounting plate and the second mounting plate and forms an accommodating area, the roller is arranged in the accommodating area, and the roller is connected to the first mounting plate and the second mounting plate.

[0015] The safety rope adjustment device of the present invention connects the safety rope to a fixed bracket and is arranged around an adjusting component. The adjusting component can rotate around the supporting bracket, so that the height of the safety rope can be adjusted through the adjusting component. In addition, the steel wire rope of the safety rope and the connecting component are connected by an adjusting member. By controlling the adjusting member, the distance between the steel wire rope and the connecting component can be adjusted, thereby achieving the purpose of adjusting the length of the safety rope. When the safety rope is adjusted from a high position to a low position, the distance between the steel wire rope and the connecting component is shortened by the adjusting member, so that the safety rope can be in a taut state even when it is in a low position, thereby effectively protecting the staff. It is not only simple in structure, easy to operate, and low in cost, but also easy to maintain and disassemble, and safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural schematic diagram of the adjustable safety rope device of the first embodiment of the utility model installed on the truss arm.

[0018] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0019] Figure 3 It is a structural schematic diagram of a safety rope according to the first embodiment of the present utility model.

[0020] Figure 4 It is a structural schematic diagram of the fixing bracket of the first embodiment of the present utility model.

[0021] Figure 5 It is a structural schematic diagram of the support bracket of the first embodiment of the present utility model.

[0022] Figure 6 It is a structural diagram of the adjustment component of the first embodiment of the present utility model.

[0023] Figure 7 It is a schematic top view of the structure of the adjustment assembly of the first embodiment of the utility model.

[0024] Figure 8 It is a structural schematic diagram of the pulley assembly of the first embodiment of the present utility model.

[0025] Explanation of reference numerals: first connecting hole 101; second connecting hole 102; third connecting hole 103; rotating base hole 104; first fixing hole 105; second fixing hole 106; third fixing hole 107; first through hole 108; second through hole 109; first through hole 201; second through hole 202; third through hole 203; accommodation area 204; first adjustment hole 205; second adjustment hole 206; adjustable safety rope device 10; safety rope 11; steel wire rope 111; adjustment member 112; connecting assembly 113 ;First ear plate-1131;First bolt-1132;First washer-1133;First spring washer-1134;First nut-1135;Fixed bracket-121;Support bracket-122;Adjustment assembly-123;Inner tube-1231;Outer tube-1232;Roller assembly-13;Roller-131;Mounting seat-132;First mounting plate-1321;Second mounting plate-1322;Connecting plate-1323;First fastener-14;First pin-141;Second latch-142;Second fastener-15;Truss arm-20.

[0026] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the description of the present invention, all other embodiments derived by persons of ordinary skill in the art without inventive effort are also within the scope of protection of the present invention.

[0028] In the description of this utility model, unless otherwise specified or limited, the terms "disposed," "installed," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms based on the specific circumstances.

[0029] The directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience and simplification of description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the utility model.

[0030] The terms "first," "second," "third," etc. are merely used to distinguish elements of similar nature and do not indicate or imply relative importance or a particular order.

[0031] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than the listed elements and may also include additional elements not specifically listed.

[0032] like Figures 1 to 8As shown, the crawler crane includes a truss arm 20 and an adjustable safety device. The adjustable safety rope device 10 is connected to the truss arm 20. The adjustable safety rope device 10 includes a safety rope 11 and two adjusting mechanisms. The two adjusting structures are respectively connected to the two ends of the truss arm 20. The two ends of the safety rope 11 are respectively connected to the two adjusting mechanisms. The adjusting mechanism includes a first adjusting mechanism and a fixed bracket 121. The end of the safety rope 11 is telescopically connected to the first adjusting mechanism. The safety rope 11 is arranged to bypass the fixed bracket 121. The fixed bracket 121 can adjust the height of the safety rope 11. The first adjusting mechanism cooperates with the fixed bracket 121 to tighten the safety rope 11. The first adjustment mechanism includes a support bracket 122 and an adjustment component 123. The fixed bracket 121 and the support bracket 122 are respectively fixedly connected to the truss arm 20. The fixed connection method is preferably welding. The fixed bracket 121 and the support bracket 122 are spaced apart. That is, the fixed bracket 121 and the support bracket 122 are spaced apart along the length direction of the truss arm 20. The adjustment component 123 is rotatably connected to the support bracket 122. The distance between the fixed bracket 121 and the support bracket 122 is greater than or equal to the distance between the adjustment component 123 and the contraction state. The length of the safety rope 11 in the state is adjusted. The safety rope 11 includes a wire rope 111, an adjusting member 112 and a connecting component 113. The end of the wire rope 111 is movably connected to one end of the adjusting member 112, and the other end of the adjusting member 112 is movably connected to the connecting component 113. The distance between the connecting component 113 and the wire rope 111 is adjusted by controlling the connecting component 113, so that the length of the safety rope 11 can be adjusted. The safety rope 11 is connected to the fixed bracket 121 through the connecting component 113, and the wire rope 111 is arranged to bypass the adjusting component 123. In this embodiment, the adjusting member 112 is provided with a through hole, which passes through the adjusting member 112. The end of the wire rope 111 is arranged in the through hole. The wire rope 111 and the adjusting member 112 are connected by threads. The end of the connecting assembly 113 is arranged in the through hole. The adjusting member 112 and the connecting assembly 113 are connected by threads. The distance between the wire rope 111 and the connecting assembly 113 is adjusted by rotating the wire rope 111, the adjusting member 112 or the connecting assembly 113. The connecting assembly 113 includes a first ear plate 1131, a first bolt 1132, The first washer 1133, the first spring washer 1134, the first nut 1135 and the first pin, the first ear plate 1131 and the fixed bracket 121 are arranged correspondingly, the first bolt 1132 passes through the first ear plate 1131 and the fixed bracket 121 in sequence and is fastened to the first nut 1135, the first washer 1133 and the first spring washer 1134 are arranged between the first ear plate 1131 and the first nut 1135, and the first pin passes through the first bolt 1132 to limit the first bolt 1132 to prevent the first bolt 1132 from falling off.

[0033] The safety rope 11 adjustment device of the present invention connects the safety rope 11 to the fixed bracket 121 and is arranged around the adjustment component 123. The adjustment component 123 can rotate around the support bracket 122, so the height of the safety rope 11 can be adjusted through the adjustment component 123. In addition, the steel wire rope 111 and the connecting component 113 of the safety rope 11 are connected by the adjustment member 112. By controlling the adjustment member 112, the distance between the steel wire rope 111 and the connecting component 113 can be adjusted, thereby achieving the purpose of adjusting the length of the safety rope 11. When the safety rope 11 is adjusted from a high position to a low position, the distance between the steel wire rope 111 and the connecting component 113 is shortened by the adjustment member 112, so that the safety rope 11 can be in a taut state even when it is in a low position, thereby effectively protecting the staff. It is not only simple in structure, easy to operate, low in cost, but also easy to maintain and disassemble, and safe and reliable.

[0034] like Figure 2 and Figure 4 As shown, the fixing bracket 121 is tilted relative to the truss arm 20. The fixing bracket 121 is provided with a first connection hole 101, a second connection hole 102, and a third connection hole 103. The first connection hole 101, the second connection hole 102, and the third connection hole 103 are spaced apart along the length of the fixing bracket 121. The third connection hole 103 is provided on the side of the fixing bracket 121 near the support bracket 122. The safety rope 11 is connected to the first connection hole 101, the second connection hole 102, or the third connection hole 103 according to the actual working conditions. The safety rope 11 is connected to the first connection hole 101, the second connection hole 102, or the third connection hole 103 according to the actual working conditions. In this embodiment, the transport position refers to the height of the safety rope 11 when the truss arm 20 is in the transport state. The low position refers to the lowest height position of the safety rope 11 according to the working conditions. The middle position refers to the middle height position of the safety rope 11 according to the working conditions. The high position refers to the highest height position that the safety rope 11 can be adjusted to.

[0035] like Figure 2 and Figure 5The support bracket 122 shown is provided with a rotating base hole 104, a first fixing hole 105, a second fixing hole 106 and a third fixing hole 107. The first fixing hole 105, the second fixing hole 106 and the third fixing hole 107 are circumferentially arranged around the rotating base hole 104. The first fixing hole 105 is arranged at one end of the support bracket 122 close to the fixing bracket 121. The adjustment component 123 is provided with a first through hole 108 and a second through hole 109 arranged at intervals. The first fastener 14 passes through the first through hole 108 and the rotating base hole 104 to enable the adjustment component 123 to be rotatably connected to the support bracket 122. The second fastener 15 passes through the second through hole 109 to be connected to the first fixing hole 105, or the second fastener 15 passes through the second through hole 109 to be connected to the second fixing hole 106, or the second fastener 15 passes through the second through hole 109 to be connected to the third fixing hole 107. In this embodiment, the first fastener 14 includes a first pin 141 and a second latch 142. The first pin 141 is set through the first through hole 108 and the rotating base hole 104, and the second latch 142 is inserted into the first pin 141 to axially limit the first pin 141 to prevent the first pin 141 from falling off. Therefore, the first pin 141 and the second latch 142 do not need to be disassembled. The adjustment assembly 123 is rotated around the first pin 141 through the cooperation between the first pin 141 and the rotating base hole 104, and the adjustment assembly 123 can be switched between the horizontal direction and the vertical direction; the second fastener 15 is preferably fixed by the cooperation of a bolt and a nut or the cooperation of a pin and a latch, but is not limited to this.

[0036] When the connecting component 113 of the safety rope 11 is connected to the first connecting hole 101, the second fastener 15 is set through the second through hole 109 and the first fixing hole 105, the adjusting component 123 is set horizontally, and the safety rope 11 is located in the transport position or low position; when the connecting component 113 is connected to the second connecting hole 102, the second fastener 15 is set through the second through hole 109 and the second fixing hole 106, the adjusting component 123 is set at an angle, and the safety rope 11 is located in the middle position; when the connecting component 113 is connected to the third connecting hole 103, the second fastener 15 is set through the second through hole 109 and the third fixing hole 107, the adjusting component 123 is set vertically, and the safety rope 11 is located in the high position.

[0037] like Figure 6As shown, the adjustment assembly 123 includes an inner tube 1231 and an outer tube 1232. The inner tube 1231 is disposed within the outer tube 1232. The outer tube 1232 is provided with a first adjustment hole 205 and at least one second adjustment hole 206 spaced apart. The second adjustment hole 206 is disposed proximate to the support bracket 122. When the inner tube 1231 is connected to the outer tube 1232 via the first adjustment hole 205, the adjustment assembly 123 is connected to the third connection hole 103. The second fastener 15 is disposed through the second through hole 109 and the third fixing hole 107. The adjustment assembly 123 is disposed vertically, and the safety rope 11 is in the high position. When the inner tube 1231 is connected to the outer tube 1232 via the second adjustment hole 206, the safety rope 11 is in the middle position, the low position, or the transport position. In this embodiment, there is one second adjustment hole 206. In other embodiments, two, three, or more second adjustment holes 206 may be provided to adjust the safety rope 11 to different heights.

[0038] like Figure 6 and Figure 8 As shown, the adjustable safety rope device 10 also includes a roller assembly 13, and the end of the adjustment component 123 away from the support bracket 122 is provided with a first through hole 201, a second through hole 202 and a third through hole 203. The connecting line between the first through hole 201, the second through hole 202 and the third through hole 203 is a triangle. The first through hole 201 and the third through hole 203 are spaced apart in the vertical direction, and the second through hole 202 is arranged between the first through hole 201 and the third through hole 203. When the roller assembly 13 is connected to the adjustment component 123 through the first through hole 201 and the second through hole 202, the safety rope 11 is located in a low position; when the roller assembly 13 is connected to the adjustment component 123 through the first through hole 201 and the third through hole 203, the safety rope 11 is located in the transport position to avoid structural interference.

[0039] like Figure 8 As shown, the roller assembly 13 includes a roller 131 and a mounting seat 132, the mounting seat 132 includes a first mounting plate 1321, a second mounting plate 1322 and a connecting plate 1323, the first mounting plate 1321 and the second mounting plate 1322 are arranged opposite to each other, the first mounting plate 1321 and the second mounting plate 1322 are respectively triangular plates, the connecting plate 1323 is fixedly connected between the first mounting plate 1321 and the second mounting plate 1322 and forms an accommodating area 204, the roller 131 is arranged in the accommodating area 204, the roller 131 is connected to the first mounting plate 1321 and the second mounting plate 1322, and the roller 131 can rotate in the accommodating area 204; the mounting seat 132 is connected to the inner tube 1231 by means of a bolt and a nut or a pin and a latch.

[0040] In another preferred embodiment, the adjustable safety rope device 10 also includes a roller assembly 13, and the end of the adjustment component 123 away from the support bracket 122 is provided with a first through hole 201, a second through hole 202 and a third through hole 203, and the connecting line between the first through hole 201, the second through hole 202 and the third through hole 203 is a triangle, the first through hole 201 and the third through hole 203 are spaced apart in the vertical direction, and the second through hole 202 is arranged between the first through hole 201 and the third through hole 203. When the roller assembly 13 is connected to the adjustment component 123 through the first through hole 201 and the third through hole 203, the safety rope 11 is in the transport position and the low position, that is, the adjustable safety rope device 10 at this time can be used as a transport state or a low position.

[0041] The steps for adjusting the adjustable safety rope device 10 are as follows:

[0042] By default, the safety rope 11 is in the transport position, with the inner tube 1231 disposed within the outer tube 1232 and connected via the second adjustment hole 206. The connecting assembly 113 of the safety rope 11 is connected to the first connecting hole 101 of the fixing bracket 121, and the adjusting assembly 123 is connected to the first fixing hole 105 of the supporting bracket 122. When the safety rope 11 needs to be adjusted from the transport position to the low position, the roller assembly 13 only needs to be connected to the first through hole 201 and the second through hole 202 of the adjusting assembly 123.

[0043] When the safety rope 11 needs to be adjusted from the low position to the middle position, the connecting component 113 of the safety rope 11 is connected to the second connecting hole 102 of the fixing bracket 121, the adjusting component 123 is connected to the second fixing hole 106 of the supporting bracket 122, and the roller assembly 13 is connected to the first through hole 201 and the third through hole 203 of the adjusting component 123. The adjusting component 123 does not adjust its length.

[0044] When the safety rope 11 needs to be adjusted from a low position to a high position, the connecting component 113 of the safety rope 11 is connected to the third connecting hole 103 of the fixing bracket 121, the adjusting component 123 is connected to the third fixing hole 107 of the supporting bracket 122, the roller assembly 13 is connected to the first through hole 201 and the third through hole 203 of the adjustable component 123, and the inner tube 1231 and the outer tube 1232 of the adjusting component 123 are connected through the first fixing hole 105 to adjust the length of the adjusting component 123;

[0045] The steps for switching the safety rope 11 from the high position to the middle position, the low position or the transport position are the same as described above.

[0046] Second embodiment

[0047] The adjustable safety rope device 10 of this embodiment is substantially similar in structure to the adjustable safety rope device 10 of the first embodiment, except that the length of the safety rope 11 is adjusted differently.

[0048] Specifically, the steel wire rope 111 is connected to the adjusting member 112 via a first telescopic structure, and the adjusting member 112 is connected to the connecting assembly 113 via a second telescopic structure to adjust the distance between the steel wire rope 111 and the connecting assembly 113. In this embodiment, a first clamping block is provided at the end of the steel wire rope 111, and a plurality of first clamping holes are provided at the end of the adjusting member 112 close to the steel wire rope 111, and the first clamping block can be optionally disposed in the first clamping hole. A second clamping block is provided at the end of the connecting assembly 113 close to the adjusting member 112, and a plurality of second clamping holes are provided at the end of the adjusting member 112 close to the connecting assembly 113, and the second clamping block can be optionally disposed in the second clamping hole. By adjusting the positions of the first clamping block and the second clamping block, the distance between the steel wire rope 111 and the connecting assembly 113 can be adjusted to achieve adjustment of the length of the safety rope 11.

[0049] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. Therefore, the scope of protection of the present utility model shall be based on the appended claims.

Claims

1. An adjustable safety rope device, wherein the adjustable safety rope device (10) is connected to a truss arm (20), the adjustable safety rope device (10) comprises a safety rope (11) and two adjustment mechanisms, the two adjustment mechanisms are respectively connected to the two ends of the truss arm (20), and the two ends of the safety rope (11) are respectively connected to the two adjustment mechanisms, characterized in that: The adjustment mechanism comprises a first adjustment mechanism and a fixed bracket (121); the end of the safety rope (11) is telescopically connected to the first adjustment mechanism; the safety rope (11) is arranged around the fixed bracket (121); the fixed bracket (121) is capable of adjusting the height of the safety rope (11); and the first adjustment mechanism cooperates with the fixed bracket (121) to tension the safety rope (11).

2. The adjustable safety rope device according to claim 1, characterized in that: The first adjustment mechanism includes a support bracket (122) and an adjustment assembly (123), the fixed bracket (121) and the support bracket (122) are respectively fixedly connected to the truss arm (20), the fixed bracket (121) and the support bracket (122) are spaced apart, the adjustment assembly (123) is rotatably connected to the support bracket (122), the safety rope (11) includes a steel wire rope (111), an adjustment member (112) and a connecting assembly (113), the end of the steel wire rope (111) The safety rope (11) is movably connected to one end of the adjusting member (112), and the other end of the adjusting member (112) is movably connected to the connecting assembly (113). By controlling the connecting assembly (113), the distance between the connecting assembly (113) and the steel wire rope (111) is adjusted, so that the length of the safety rope (11) can be adjusted. The safety rope (11) is connected to the fixed bracket (121) through the connecting assembly (113), and the steel wire rope (111) is arranged to bypass the adjusting assembly (123).

3. The adjustable safety rope device according to claim 2, characterized in that: The steel wire rope (111) and the adjusting member (112) are connected via a thread, and the adjusting member (112) and the connecting assembly (113) are connected via a thread, so as to adjust the distance between the steel wire rope (111) and the connecting assembly (113); or the steel wire rope (111) and the adjusting member (112) are connected via a first telescopic structure, and the adjusting member (112) and the connecting assembly (113) are connected via a second telescopic structure, so as to adjust the distance between the steel wire rope (111) and the connecting assembly (113).

4. The adjustable safety rope device according to claim 3, characterized in that: The fixing bracket (121) is tilted relative to the truss arm (20), and the fixing bracket (121) is provided with a first connecting hole (101), a second connecting hole (102) and a third connecting hole (103). The first connecting hole (101), the second connecting hole (102) and the third connecting hole (103) are arranged at intervals along the length direction of the fixing bracket (121), and the third connecting hole (103) is provided on a side of the fixing bracket (121) close to the supporting bracket (122). The safety rope (11) is connected to the first connecting hole (101), the second connecting hole (102) or the third connecting hole (103).

5. The adjustable safety rope device according to claim 4, characterized in that: The support bracket (122) is provided with a rotation base hole (104), a first fixing hole (105), a second fixing hole (106) and a third fixing hole (107); the first fixing hole (105), the second fixing hole (106) and the third fixing hole (107) are circumferentially arranged around the rotation base hole (104); the first fixing hole (105) is provided at one end of the support bracket (122) close to the fixing bracket (121); the adjustment component (123) is provided with a first through hole (108) and a second through hole (109) which are arranged at intervals. 9), a first fastener (14) passes through the first through hole (108) and the rotating base hole (104) to enable the adjusting assembly (123) to be rotatably connected to the supporting bracket (122), a second fastener (15) passes through the second through hole (109) to be connected to the first fixing hole (105), or the second fastener (15) passes through the second through hole (109) to be connected to the second fixing hole (106), or the second fastener (15) passes through the second through hole (109) to be connected to the third fixing hole (107).

6. The adjustable safety rope device according to claim 5, characterized in that: When the connecting component (113) of the safety rope (11) is connected to the first connecting hole (101), the second fastener (15) passes through the second through hole (109) and is arranged with the first fixing hole (105), and the safety rope (11) is located in the transport position or the low position; when the connecting component (113) is connected to the second connecting hole (102), the second fastener (15) passes through the second through hole (109) and is arranged with the second fixing hole (106), and the safety rope (11) is located in the middle position; when the connecting component (113) is connected to the third connecting hole (103), the second fastener (15) passes through the second through hole (109) and is arranged with the third fixing hole (107), and the safety rope (11) is located in the high position.

7. The adjustable safety rope device according to claim 6, characterized in that: The adjustment assembly (123) comprises an inner tube (1231) and an outer tube (1232), wherein the inner tube (1231) is arranged in the outer tube (1232), and the outer tube (1232) is provided with a first adjustment hole (205) and at least one second adjustment hole (206) arranged at intervals, wherein the second adjustment hole (206) is arranged close to the support bracket (122), and when the inner tube (1231) is connected to the outer tube (1232) through the first adjustment hole (205), the safety rope (11) is located at the high position, and when the inner tube (1231) is connected to the outer tube (1232) through the second adjustment hole (206), the safety rope (11) is located at the middle position, the low position or the transport position.

8. The adjustable safety rope device according to claim 7, wherein: The adjustable safety rope device (10) further comprises a roller assembly (13); an end of the adjustment assembly (123) away from the support bracket (122) is provided with a first through hole (201), a second through hole (202) and a third through hole (203); a line connecting the first through hole (201), the second through hole (202) and the third through hole (203) is in the form of a triangle; the first through hole (201) and the third through hole (203) are spaced apart in a vertical direction; the second through hole (202) and the third through hole (203) are spaced apart in a vertical direction; 202) is arranged between the first through hole (201) and the third through hole (203); when the roller assembly (13) is connected to the adjustment component (123) through the first through hole (201) and the second through hole (202), the safety rope (11) is located in the low position; when the roller assembly (13) is connected to the adjustment component (123) through the first through hole (201) and the third through hole (203), the safety rope (11) is located in the transport position.

9. The adjustable safety rope device according to claim 7, wherein: The adjustable safety rope device (10) further comprises a roller assembly (13); a first through hole (201), a second through hole (202) and a third through hole (203) are provided at one end of the adjustment assembly (123) away from the support bracket (122); a line connecting the first through hole (201), the second through hole (202) and the third through hole (203) is in the shape of a triangle; the first through hole (201) and the third through hole (203) are arranged at intervals in a vertical direction; the second through hole (202) is arranged between the first through hole (201) and the third through hole (203); when the roller assembly (13) is connected to the adjustment assembly (123) through the first through hole (201) and the third through hole (203), the safety rope (11) is located at the transport position and the low position.

10. The adjustable safety rope device according to claim 8 or 9, characterized in that: The roller assembly (13) includes a roller (131) and a mounting seat (132); the mounting seat (132) includes a first mounting plate (1321), a second mounting plate (1322) and a connecting plate (1323); the first mounting plate (1321) and the second mounting plate (1322) are arranged opposite to each other; the connecting plate (1323) is fixedly connected between the first mounting plate (1321) and the second mounting plate (1322) to form an accommodating area (204); the roller (131) is arranged in the accommodating area (204); and the roller (131) is connected to the first mounting plate (1321) and the second mounting plate (1322).

Images