Low-temperature heating device for climb assist device for wind turbine generator

Abstract

The present application relates to the technical field of climb assist devices, and in particular to a low-temperature heating device for a climb assist device for a wind turbine generator, comprising a case (1), connecting pipes A (9), a heat conducting pipe (12), a spiral plate (14) and a circulation pump (15). Two sliding blocks (2) are symmetrically arranged in the case (1), two upper hollow shafts (3) and two lower hollow shafts (3) are arranged on the sliding blocks (2), and the hollow shafts (3) penetrate through pulleys (4). Ends of two hollow shafts (3) on a same side on a same sliding block (2) are communicated with each other by means of the corresponding connecting pipe A (9). The heat conducting pipe (12) is located in the case (1) and is connected to the inner wall thereof, a heat conducting medium is stored in the heat conducting pipe (12), and a heating rod (13) is provided in the heat conducting pipe (12). The spiral plate (14) is located in the heat conduction pipe (12), and the inner wall of the spiral plate (14) is connected to the outer wall of the heating rod (13). The circulation pump (15) is connected to the case (1), one end of a spiral channel is communicated with the hollow shafts (3) below the sliding blocks (2) on both sides by means of the circulation pump (15), and the other end of the spiral channel is communicated with the hollow shafts (3) above the sliding blocks (2) on both sides. The present application can achieve simultaneous heating of the interior of the case (1) and the pulleys (4), effectively preventing equipment from being stuck, and providing a stable working temperature environment for electric parts in the case (1).

Description

Wind turbine climbing aid low temperature heating device TECHNICAL FIELD

[0001] The utility model relates to climbing aid technical field, especially a kind of wind turbine climbing aid low temperature heating device. BACKGROUND

[0002] The column height of wind turbine is large, in order to facilitate staff to overhaul, existing wind turbine column will be equipped with climbing aid, to reduce the physical consumption of staff in the process of climbing. And because the height of wind turbine is large, in cold area or season, the temperature is lower when climbing higher, at this time, the climbing aid will be jammed in the process of going up due to low temperature, and the control electric appliance in the machine case will also run slowly or even fail due to low temperature, so a heating device needs to be added to the climbing aid.

[0003] The technical solution disclosed by Chinese patent with authorization announcement No.CN219081780U realizes the position adjustment of the first horizontal plate by the cooperation of vertical cylinder and vertical rod, the downward rotation of the screw thread below the vertical rod, the downward sliding of the first horizontal plate in the inside of the sliding groove, the screw thread connection of the first bolt passing through the slot of the outer wall of the first horizontal plate with the outer wall of the wind turbine climbing aid, the avoidance of connection conflict, the normal installation of the wind turbine climbing aid low temperature heating device and the elimination of use limitations.

[0004] However, the device still has some shortcomings: the device is installed externally, the heat conduction efficiency is low, which leads to large energy consumption of equipment, and the device lacks heating function for the pulley block, which will be jammed in the process of sliding up due to low temperature. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and provides a kind of wind turbine climbing aid low temperature heating device.

[0006] The technical scheme of the utility model: a kind of wind turbine climbing aid low temperature heating device, including machine case, two sliding blocks are symmetrically arranged in machine case, two hollow shafts are arranged on each sliding block, and hollow shaft penetrates pulley.

[0007] Connecting pipe A, the same end of two hollow shafts on the same sliding block is communicated by connecting pipe A.

[0008] Heat pipe, heat pipe is located in machine case and is connected with its inner wall, heat conducting medium is stored in heat pipe, and heating rod for heating and warming heat conducting medium is arranged in heat pipe.

[0009] Spiral plate, spiral plate is located in heat pipe, and the inner wall of heat pipe is connected with the outer circle edge of spiral plate, and the inner circle edge of spiral plate is connected with the outer wall of heating rod, to form spiral channel in heat pipe.

[0010] And the circulating pump is connected with the case, the circulating pump is communicated with one end of the spiral channel and the hollow shaft below the two side sliders, and the other end of the spiral channel is communicated with the hollow shaft above the two side sliders.

[0011] Preferably, the control assembly is arranged in the case, the temperature sensor is arranged on the case, the control assembly is electrically connected with the heating rod and the circulating pump, and the temperature sensor is electrically connected with the control assembly.

[0012] Preferably, the operation handle is arranged on the case, and the support plate for carrying people is arranged on the bottom of the case.

[0013] Preferably, the case is symmetrically provided with two groups of through holes in the up and down directions, the hollow shafts are respectively located in the through holes on the corresponding sides and are in sliding connection with the inner walls of the through holes, and the drive assembly for adjusting the hollow shafts above the two side sliders and the pulley is arranged in the case.

[0014] Preferably, the drive assembly comprises a hydraulic cylinder, the side, where the two side sliders are close to each other, of the case is provided with a rack, the case is provided with a gear, the two racks are respectively located on the two sides of the gear and are in meshing connection with the gear, and the hydraulic cylinder is connected with the case and is in driving connection with one of the two side sliders.

[0015] Preferably, the case is in sliding connection with four sealing plates for sealing the through holes on the corresponding sides, the hollow shafts are respectively penetrated through the sealing plates on the corresponding sides, and in the hollow shaft spacing adjustment state, the sealing plates always seal the through holes.

[0016] Preferably, the hollow shafts above the two side sliders are communicated through the connecting pipe B, the hollow shafts below the two side sliders are communicated through the connecting pipe C, the heat conduction pipe is provided with a return pipe and a discharge pipe communicated with the two ends of the spiral channel respectively, one end of the return pipe is communicated with the connecting pipe B, the discharge pipe is communicated with the input end of the circulating pump, and the output end of the circulating pump is communicated with the connecting pipe C.

[0017] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0018] Through the hollow shaft, the hollow shaft is communicated with the inside of the heat conduction pipe through the connecting pipe A, the connecting pipe B, the connecting pipe C, the return pipe and the circulating pump, after the medium in the heat conduction pipe is heated, the circulating pump is started to circulate and convey the high-temperature medium in the loop, thereby the temperature of the pulley is increased, the pulley is prevented from being stuck in the sliding process, meanwhile, the inside of the heat conduction pipe is heated, the outer surface of the heat conduction pipe also diffuses the high temperature to the inside of the case, the temperature in the inside of the case is increased, and thus the electrical devices in the case can normally work in the warm environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structural schematic view of the utility model;

[0020] Fig. 2 is a schematic view of the internal structure of the case;

[0021] Figure 3 is a schematic diagram of the connection structure of the components on the slider;

[0022] Figure 4 is a schematic diagram of the connection structure of the components on the heat pipe.

[0023] Reference signs: 1, case; 101, through hole; 102, temperature sensor; 103, operating handle; 104, support plate; 2, slider; 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, discharge pipe; 13, heating rod; 14, spiral plate; 15, circulating pump. DETAILED DESCRIPTION EMBODIMENT

[0024] As shown in FIG. 1-4, the utility model provides a kind of wind generating set climber low-temperature heating device, including case 1, connecting pipe A9, heat pipe 12, spiral plate 14 and circulating pump 15.The operating handle 103 is arranged on case 1, and the support plate 104 for carrying person is arranged on the bottom of case 1.Two sliders 2 are symmetrically arranged in case 1, and two hollow shafts 3 are arranged on each slider 2, and hollow shaft 3 penetrates pulley 4.Two groups of through holes 101 are symmetrically arranged on case 1, and each hollow shaft 3 is located in the through hole 101 of corresponding side and is slidably connected with its inner wall, and drive assembly for adjusting the hollow shaft 3 of two sides slider 2 and pulley 4 is arranged in case 1.The drive assembly includes hydraulic cylinder 8.The side of two sides slider 2 close to each other is provided with rack 6, and gear 7 is arranged on case 1, and two sides rack 6 are located on the two sides of gear 7 and are meshingly connected with gear 7, and hydraulic cylinder 8 is connected with case 1 and drives one of slider 2.The same end of two hollow shafts 3 on the same slider 2 is communicated by connecting pipe A9.The hollow shaft 3 above two sides slider 2 is communicated by connecting pipe B10, and the hollow shaft 3 below two sides slider 2 is communicated by connecting pipe C11.Heat pipe 12 is located in case 1 and is connected with its inner wall, and heat pipe 12 stores heat conducting medium, and heat conducting medium includes but is not limited to anhydrous ethanol, and heating rod 13 for heating and warming heat conducting medium is arranged in heat pipe 12.Spiral plate 14 is located in heat pipe 12, and the outer circle edge of spiral plate 14 is connected with the inner wall of heat pipe 12, and the inner circle edge of spiral plate 14 is connected with the outer wall of heating rod 13, to form spiral channel in heat pipe 12.Circulating pump 15 is connected with case 1, and one end of spiral channel and the hollow shaft 3 below two sides slider 2 are communicated, and the other end of spiral channel is communicated with the hollow shaft 3 above two sides slider 2.Control assembly is arranged in case 1, temperature sensor 102 is arranged on case 1, control assembly and heating rod 13 and circulating pump 15 are electrically connected, and temperature sensor 102 and control assembly are electrically connected.Backflow pipe 121 and discharge pipe 122, which are respectively communicated with the two ends of spiral channel, are arranged on heat pipe 12, wherein the other end of backflow pipe 121 is communicated with connecting pipe B10, discharge pipe 122 is communicated with the input end of circulating pump 15, and the output end of circulating pump 15 is communicated with connecting pipe C11.

[0025] In the embodiment, when the case 1 is assembled on the climbing frame, only one side of the sliding block 2 needs to be pulled back by starting the hydraulic cylinder 8, at this time, the other side of the sliding block 2 is synchronized away under the transmission of the gear 7 and the rack 6, so that the distance between the two sides of the pulley 4 is enlarged, then the case 1 is close to the climbing frame, the two sides of the pulley 4 are located on both sides of the guide rod slot respectively, then the sliding block 2 is pushed close by starting the hydraulic cylinder 8, at this time, the two sides of the pulley 4 are synchronized and clamped on the guide rod. Because the pulley 4 is in contact with the guide rod, it is affected by the environment, if the temperature of the guide rod is too high, the pulley 4 is easy to be stuck. When the temperature sensor 102 detects low temperature, the control assembly controls the heating rod 13 and the circulating pump 15 to start, the heating rod 13 heats the anhydrous ethanol in the heat pipe 12 to rise in temperature, the circulating pump 15 extracts high-temperature anhydrous ethanol and delivers it into the two hollow shafts 3 at the bottom along the connecting pipe C11, the high-temperature anhydrous ethanol passes through the two hollow shafts 3 at the bottom and then passes through the two hollow shafts 3 at the top along the two sides of the connecting pipe A9, finally, the anhydrous ethanol is returned into the heat pipe 12 through the connecting pipe B10 and the return pipe 121, so as to realize the circulation of heating, so that the temperature of the pulley 4 rises, and the pulley 4 is prevented from being stuck due to the influence of low temperature. In the process of heating the anhydrous ethanol in the heat pipe 12, the high temperature of the heat pipe 12 is diffused to the inside of the case 1, so that the temperature in the case 1 rises, and the stable work of the electric control devices in the case 1 is ensured. Embodiment

[0026] As shown in FIG. 1 and FIG. 3, compared with the first embodiment, the case 1 of the low-temperature heating device of the wind turbine climbing aid is slidably connected with four sealing plates 5 for sealing the corresponding side through holes 101, the hollow shafts 3 are respectively penetrated through the corresponding side sealing plates 5 and located on the central axes of the sealing plates 5, and the width of the sealing plate 5 is twice the width of the through hole 101, so that the hollow shafts 3 are always sealed by the sealing plates 5 in the spacing adjustment state.

[0027] In the embodiment, the sealing plate 5 seals the through hole 101, prevents the heat in the case 1 from being discharged along the through hole 101, so that the case 1 has good heat preservation effect, and the power consumption of the heating structure is effectively reduced.

[0028] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A wind turbine climber low temperature heating device, characterized in that, The utility model relates to a kind of heat conduction device, including Cabinet (1), two sliders (2) are symmetrically arranged in cabinet (1), and two hollow shafts (3) are arranged on each slider (2) in upper and lower, and hollow shaft (3) penetrates pulley (4); Connecting pipe A (9), the same end of two hollow shafts (3) on the same slider (2) is communicated by connecting pipe A (9); Heat pipe (12), heat pipe (12) is located in cabinet (1) and is connected with its inner wall, heat pipe (12) stores heat conducting medium, and heat pipe (12) is provided with heating rod (13) for heating heat conducting medium in it; Spiral plate (14), spiral plate (14) is located in heat pipe (12), and the outer circle edge of spiral plate (14) is connected with the inner wall of heat pipe (12), and the inner circle edge of spiral plate (14) is connected with the outer wall of heating rod (13), to form spiral channel in heat pipe (12); And circulating pump (15), circulating pump (15) is connected with cabinet (1), and one end of spiral channel and the hollow shaft (3) below two sliders (2) are communicated by circulating pump (15), and the other end of spiral channel is communicated with the hollow shaft (3) above two sliders (2).

2. A low temperature heating device for a climber of a wind turbine generator system according to claim 1, characterized in that, Control assembly is arranged in cabinet (1), temperature sensor (102) is arranged on cabinet (1), control assembly is electrically connected with heating rod (13) and circulating pump (15), and temperature sensor (102) is electrically connected with control assembly.

3. A low temperature heating device for a climber of a wind turbine generator system according to claim 1, characterized in that, Operating handle (103) is arranged on cabinet (1), and the bottom of cabinet (1) is provided with support plate (104) for carrying person.

4. A low temperature heating device for a climber of a wind turbine generator system according to claim 1, characterized in that, Cabinet (1) is symmetrically provided with two groups of through holes (101) in upper and lower, each hollow shaft (3) is located in the through hole (101) of corresponding side and is slidably connected with the inner wall, and drive assembly is arranged in cabinet (1) for adjusting hollow shaft (3) and pulley (4) on two sliders (2).

5. A low temperature heating device for a climber of a wind turbine generator system according to claim 4, characterized in that, Drive assembly includes hydraulic cylinder (8);Both sides of two sliders (2) are provided with rack (6) close to each other, gear (7) is arranged on cabinet (1), both sides of rack (6) are located on both sides of gear (7) and are meshingly connected with gear (7), and hydraulic cylinder (8) is connected with cabinet (1) and drives one of sliders (2).

6. A low temperature heating device for a climber of a wind turbine generator system according to claim 4, characterized in that, Cabinet (1) is slidably connected with four sealing plates (5) for sealing corresponding side through hole (101), each hollow shaft (3) penetrates corresponding side sealing plate (5) respectively, and in hollow shaft (3) spacing adjustment state, sealing plate (5) always blocks through hole (101).

7. A low temperature heating device for a climber of a wind turbine generator system according to claim 1, characterized in that, Hollow shaft (3) above two sliders (2) is communicated by connecting pipe B (10), hollow shaft (3) below two sliders (2) is communicated by connecting pipe C (11), return pipe (121) and discharge pipe (122) are arranged on heat pipe (12) and communicated with both ends of spiral channel respectively, wherein the other end of return pipe (121) is communicated with connecting pipe B (10), the input end of circulating pump (15) is communicated with discharge pipe (122), and the output end of circulating pump (15) is communicated with connecting pipe C (11).

Images