A low-temperature heating device for a wind turbine climbing aid

Abstract

A low-temperature heating device for a wind turbine climbing aid, characterized in that it comprises a housing (1) wherein inside the housing (1) two slides (2) are arranged symmetrically, on each slide (2) two upper and lower hollow shafts (3) are arranged, and the hollow shafts (3) pass through the pulley (4); a connecting pipe A (9) wherein the same end of the two hollow shafts (3) is connected on the same slide (2) via the connecting pipe A (9); a heat pipe (12), the heat pipe (12) is located in the housing (1) and is connected to its inner wall, the heat pipe (12) being filled with heat-conducting medium, and a heating element (13) is arranged in the heat pipe (12) which is used to heat and warm the heat-conducting medium; a spiral plate (14), wherein the spiral plate (14) is located inside the heat tube (12) and the outer annular edge of the spiral plate (14) is connected to the inner wall of the heat tube (12) and the inner annular edge of the spiral plate (14) is connected to the outer wall of the heating element (13) to form a spiral channel inside the heat tube (12); and a circulating pump (15), wherein the circulating pump (15) is connected to the housing (1), wherein the circulating pump (15) is connected to one end of the spiral channel and to the hollow shaft (3) below the slides (2) on both sides, and wherein the other end of the spiral channel is connected to the hollow shaft (3) above the slides (2) on both sides.

Description

Technical area

[0001] The utility model relates to the technical field of climbing aids, in particular to a low-temperature heating device for a wind turbine climbing aid. Background technology

[0002] The wind turbine column height is high to facilitate maintenance work for personnel. The existing wind turbine columns are equipped with climbing aids to reduce the physical effort of workers during the climbing process. Due to the high altitude of the wind turbine, in cold areas or seasons, the higher the climb, the lower the temperature. At this time, the climbing aid will get stuck during the ascent process due to the low temperature. The control devices in the casing will also run slowly or even fail due to low temperature. Therefore, it is necessary to add a series of heating devices for the climbing aids.

[0003] The technical solution disclosed in the Chinese patent with authorized publication number CN219081780U is that the vertical cylinder in the mounting structure cooperates with the threads under the vertical rod to rotate downward, which in turn drives the first cross plate to slide downward inside the sliding groove, thereby realizing the position adjustment of the first cross plate. Then, the first bolt passes through the groove in the outer wall of the first cross plate and is in threaded connection with the outer wall of the wind turbine climbing aid to avoid connection conflicts and ensure that the low-temperature heating device of the wind turbine climbing aid is properly installed, thus eliminating the usage restriction.

[0004] However, this device still has shortcomings: the device is installed externally and the thermal conductivity is low, which leads to high energy consumption of the device, and the device lacks the heating function of the pulley, so the pulley gets stuck when sliding upwards due to the low temperature. Content of the utility model

[0005] The aim of the utility model is to propose a low-temperature heating device for a wind turbine climbing aid to solve a problem of the existing technology.

[0006] The utility model discloses a technical solution: a low-temperature heating device for a wind turbine climbing aid, comprising a housing, wherein two sliders are arranged symmetrically inside the housing, wherein each slider is arranged with two upper and lower hollow shafts and the hollow shafts penetrate the pulley. a connecting pipe A, whereby the same end of the two hollow shafts on the same slide valve is connected via the connecting pipe A. a heat pipe, the heat pipe is located in the housing and is connected to its inner wall, wherein the heat pipe is filled with heat-conducting medium, and a heating rod is arranged in the heat pipe, which is used to heat up and warm the heat-conducting medium. a spiral plate, wherein the spiral plate is located inside the heat pipe and an outer ring edge of the spiral plate is connected to an inner wall of the heat pipe and the inner ring edge of the spiral plate is connected to the outer wall of the heating rod to form a spiral channel inside the heat pipe. and a circulation pump, wherein the circulation pump is connected to the housing, the circulation pump is connected to one end of the spiral channel and a hollow shaft below the slider on both sides, and the other end of the spiral channel is connected to the hollow shaft above the slider on both sides.

[0007] Preferably, a control assembly is arranged in the housing, wherein a temperature sensor is arranged on the housing, and the control assembly is electrically connected to the heating element and to the circulation pump, and wherein the temperature sensor is electrically connected to the control assembly.

[0008] Preferably, an operating handle is arranged on the housing, and a support plate for transporting persons is arranged on the bottom of the housing.

[0009] Preferably, the housing is arranged symmetrically with two sets of through holes at the top and bottom, each hollow shaft being located in the through hole on the corresponding side and being slidably connected to its inner wall, and a drive assembly being arranged inside the housing which adjusts the hollow shaft on the slider on the two sides as well as the pulleys.

[0010] Preferably, the drive assembly comprises a hydraulic cylinder. The side where the slides on both sides are close to each other is arranged with a rack. A gear is arranged on the housing. The racks on both sides are located on either side of the gear and are connected to the gear in a toothed manner. The hydraulic cylinder is connected to the housing and driven to connect to one of the slides.

[0011] Preferably, the housing is slidably connected to four sealing plates used to seal the corresponding side through holes, each hollow shaft penetrating the corresponding side sealing plate, and the sealing plates always seal the through hole under the condition that the clearance of the hollow shaft is adjusted.

[0012] Preferably, the hollow shafts above the vanes on both sides are connected by the connecting pipe B, and the hollow shafts below the vanes on both sides are connected by the connecting pipe C, wherein the heat pipe is arranged with a return pipe and an outlet pipe, each connected to the two ends of the spiral channel, the other end of the return pipe being connected to the connecting pipe B, the outlet pipe being connected to the inlet end of the circulation pump, and the outlet end of the circulation pump being connected to the connecting pipe C.

[0013] Compared to the state of the art, the utility model has the following advantageous technical effects: By arranging the hollow shafts, the hollow shafts are connected to the inside of the heat pipe through the connecting pipe A, the connecting pipe B, the connecting pipe C, the return pipe and the circulating pump, after the medium inside the heat pipe is heated, the circulating pump is started, so that a high-temperature medium is circulated, thereby increasing the temperature of the pulley and preventing the pulley from jamming during the sliding process, and at the same time, the inside of the heat pipe is heated, and its outer surface will diffuse the high temperature into the inside of the casing, so that the internal temperature of the casing rises, thereby ensuring that the electrical parts inside the casing can work normally in a warm environment. Description of the characters Fig. 1 is a structural diagram of the present utility model; Fig. 2 is a schematic diagram of the internal structure of the housing; Fig. 3 is a schematic diagram of the connection structure of the parts on the slider; Fig. 4 is a schematic diagram of the connection structure of the parts on the heat pipe.

[0014] Illustration markings: 1, housing; 101, through hole; 102, temperature sensor; 103, operating handle; 104, support plate; 2, slide valve; 3, hollow shaft; 4, pulley; 5, sealing plate; 6, rack; 7, gear; 8, hydraulic cylinder; 9, connecting pipe A; 10, connecting pipe B; 11, connecting pipe C; 12, heat pipe; 121, return pipe; 122, outlet pipe; 13, heating rod; 14, spiral plate; 15, circulation pump. EmbodimentsEmbodiment 1

[0015] As in the Fig. 1-4, the utility model discloses a low-temperature heating device for a wind turbine climbing aid, comprising a housing 1, a connecting pipe A9, a heat pipe 12, a spiral plate 14, and a circulation pump 15. An operating handle 103 is arranged on the housing 1, and a support plate 104 for transporting people is arranged at the bottom of the housing 1. Two vanes 2 are arranged symmetrically inside the housing 1, with each vane 2 having two upper and lower hollow shafts 3, the hollow shafts 3 penetrating the pulleys 4. The housing 1 is symmetrically arranged with two sets of through holes 101 at the top and bottom, each hollow shaft 3 being located in the through hole 101 on the corresponding side and being slidably connected to its inner wall, and a drive assembly is arranged inside the housing 1, which adjusts the hollow shafts 3 on the slide 2 on the two sides as well as the pulleys 4.The drive assembly includes a hydraulic cylinder 8. The side where the slides 2 on both sides are close to each other is provided with a rack 6, the chassis 1 is arranged with a gearbox 7, a gear 7 is arranged on the housing 1, the racks 6 of both sides are respectively located on both sides of the gear 7 and are toothedly connected to the gear 7, and the hydraulic cylinder 8 is connected to the housing 1 and is driven to be connected to one of the slides 2. The same end of the two hollow shafts 3 on the same slide 2 is connected by a connecting pipe A9. The hollow shafts 3 above the slides 2 on both sides are connected via a connecting pipe B10 and the hollow shafts 3 below the slides 2 on both sides are connected via a connecting pipe C11.The heat pipe 12 is located in the housing 1 and connected to its inner wall. The heat pipe 12 is filled with a heat-conducting medium, which includes anhydrous ethanol. A heating rod 13 is arranged inside the heat pipe 12 and is used to heat and warm the heat-conducting medium. The spiral plate 14 is located inside the heat pipe 12, and an outer annular edge of the spiral plate 14 is connected to the inner wall of the heat pipe 12, and the inner annular edge of the spiral plate 14 is connected to the outer wall of the heating rod 13 to form a spiral channel inside the heat pipe 12. The circulation pump 15 is connected to the housing 1, wherein the circulation pump 15 is connected to one end of the spiral channel and to the hollow shaft 3 below the vanes 2 on both sides, and wherein the other end of the spiral channel is connected to the hollow shaft 3 above the vanes 2 on both sides.A control assembly is arranged in the housing 1. The housing 1 is arranged with a temperature sensor 102, and the control assembly is electrically connected to the heating element 13 and to the circulation pump 15, and the temperature sensor 102 is electrically connected to the control assembly. The heat pipe 12 is arranged with a return pipe 121 and an outlet pipe 122, which are each connected to the two ends of the spiral channel. The other end of the return pipe 121 is connected to the connecting pipe B10, the outlet pipe 122 is connected to the inlet end of the circulation pump 15, and the outlet end of the circulation pump 15 is connected to the connecting pipe C11.

[0016] In this embodiment, when the casing 1 is mounted on the climbing frame, it is only necessary to start the hydraulic cylinder 8 to retract the slider 2 on one side. At this time, the slider 2 on the other side synchronously moves away from the transmission of the gears 7 and the rack 6, thereby widening the distance between the pulleys 4 on both sides. Then, the casing 1 is close to the climbing frame, so that the pulleys 4 on both sides are respectively located on the two sides of the guide rod groove. Then, the hydraulic cylinder 8 is started to push the slider 2 closer. At this time, the pulleys 4 on both sides approach synchronously and are clamped on the guide rod.Since the pulley 4 is in contact with the guide rod, it is affected by the environment, and if the temperature of the guide rod is too low, the pulley 4 is easy to get stuck when sliding.When the temperature sensor 102 detects the low temperature, the control assembly controls the heating rod 13 and the circulation pump 15 to start, the heating rod 13 heats the anhydrous ethanol in the heat pipe 12, the circulation pump 15 takes out the high-temperature anhydrous ethanol and delivers it along the connecting pipe C11 to the lower two hollow shafts 3, after the high-temperature anhydrous ethanol passes through the lower two hollow shafts 3, it rises along the connecting pipe A9 on the two sides and passes through the upper two hollow shafts 3, and finally flows back into the heat pipe 12 via the connecting pipe B10 and the return pipe 121 to achieve cyclic heat supply, so that the temperature of the pulley 4 is increased to avoid the pulley 4 from being stuck due to the impact of low temperature.During the process of heating anhydrous ethanol in the heat pipe 12, the high temperature of the heat pipe 12 simultaneously spreads to the interior of the housing 1, thereby increasing the temperature in the housing 1 and ensuring the stable operation of the electronic control devices in the housing 1. Embodiment 2

[0017] As in the Fig. 1 and Fig.As shown in Figure 3, the utility model proposes a low-temperature heating device for a wind turbine climbing aid. Compared with Embodiment 1, the housing 1 is slidably connected to four sealing plates 5, which are used to seal the corresponding side through holes 101. Each hollow shaft 3 penetrates the corresponding side sealing plate 5 and is located in the central axis of the sealing plate 5. The sealing plate 5 is twice as wide as the through holes 101, so that the sealing plate 5 always seals the through hole 101 under the condition that the pitch of the hollow shaft 3 is adjusted.

[0018] In this embodiment, the sealing plate 5 closes the through hole 101 to prevent the heat in the housing 1 from being dissipated along the through hole 101, so that the housing 1 can achieve a good thermal insulation effect, thereby effectively reducing the electric power consumption of the heating structure.

[0019] The embodiment of the utility model is described in detail above in conjunction with the attached drawings, but the utility model is not limited thereto, and various changes can be made within the scope of the knowledge possessed by technical personnel in the technical field without deviating from the purpose of the utility model QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] CN 219081780U

[0003]

Claims

[1] A low-temperature heating device for a wind turbine climbing aid, characterized by that it includes a housing (1), wherein two slides (2) are arranged symmetrically inside the housing (1), two upper and lower hollow shafts (3) are arranged on each slide (2), and the hollow shaft (3) extends through the pulley (4); a connecting pipe A (9), wherein the same end of the two hollow shafts (3) on the same slide (2) is connected via the connecting pipe A (9); a heat pipe (12), the heat pipe (12) is located in the housing (1) and is connected to its inner wall, wherein the heat pipe (12) is filled with heat-conducting medium, and a heating rod (13) is arranged in the heat pipe (12), which is used to heat up and warm the heat-conducting medium; a spiral plate (14), wherein the spiral plate (14) is located inside the heat pipe (12) and the outer ring edge of the spiral plate (14) is connected to the inner wall of the heat pipe (12) and the inner ring edge of the spiral plate (14) is connected to the outer wall of the heating rod (13) to form a spiral channel inside the heat pipe (12); and a circulation pump (15), wherein the circulation pump (15) is connected to the housing (1), wherein the circulation pump (15) is connected to one end of the spiral channel and to the hollow shaft (3) below the vanes (2) on both sides, and wherein the other end of the spiral channel is connected to the hollow shaft (3) above the vanes (2) on both sides. [2] A low-temperature heating device for a wind turbine climbing aid according to claim 1, characterized bythat a control assembly is arranged in the housing (1), wherein a temperature sensor (102) is arranged on the housing (1), and the control assembly is electrically connected to the heating element (13) and to the circulation pump (15), and wherein the temperature sensor (102) is electrically connected to the control assembly. [3] A low-temperature heating device for a wind turbine climbing aid according to claim 1, characterized by that the housing (1) is arranged with an operating handle (103) and the bottom of the housing (1) is arranged with a support plate (104) for the transport of persons. [4] A low-temperature heating device for a wind turbine climbing aid according to claim 1, characterized bythat the housing (1) is arranged symmetrically with two sets of through holes (101) at the top and bottom, each hollow shaft (3) being located in the through hole (101) on the corresponding side and being slidably connected to its inner wall, and wherein a drive assembly is arranged inside the housing (1) which adjusts the hollow shaft (3) on the slide (2) on the two sides as well as the pulleys (4). [5] A low-temperature heating device for a wind turbine climbing aid according to claim 4, characterized byin that the drive assembly comprises a hydraulic cylinder (8); wherein the side on which the slides of both sides (2) are close to one another is arranged with a rack (6), wherein a gear (7) is arranged on the housing (1), wherein the racks (6) of both sides are each located on the two sides of the gear (7) and are toothedly connected to the gear (7), and wherein the hydraulic cylinder (8) is connected to the housing (1) and is driven in order to be connected to one of the slides (2). [6] A low-temperature heating device for a wind turbine climbing aid according to claim 4, characterized bythat the housing (1) is slidably connected to four sealing plates (5) which are used to seal the corresponding lateral through-holes (101), wherein each hollow shaft (3) penetrates the corresponding lateral sealing plate (5) and the sealing plate (5) always seals the through-hole (101) under the condition that the distance of the hollow shaft (3) is adjusted. [7] A low-temperature heating device for a wind turbine climbing aid according to claim 1, characterized bythat the hollow shafts (3) above the two side shifters (2) are connected by the connecting pipe B (10) and the hollow shafts (3) below the two side shifters (2) are connected by the connecting pipe C (11), wherein the return pipe (121) and the outlet pipe (122), which are each connected to the two ends of the spiral channel, are arranged on the heat pipe (12) and the other end of the return pipe (121) is connected to the connecting pipe B (10), the outlet pipe (122) is connected to the inlet end of the circulation pump (15), and the outlet end of the circulation pump (15) is connected to the connecting pipe C (11).

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