Folding lifting device for maintenance of central air conditioner
By designing lifting components and guardrails in the central air-conditioning maintenance device, the problems of maintenance difficulty and low efficiency caused by the existing manual folding ladder are solved, and a more efficient and safe maintenance process is achieved.
Patent Information
- Application Number
- CN202421335286.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing central air conditioner maintenance device is mainly a manual folding ladder, which causes maintenance personnel to be inconvenient to move during the maintenance process, increases the difficulty and time of maintenance, and reduces work efficiency.
A folding lifting device for central air-conditioning maintenance is designed. By setting up lifting components, including motors, bevel gears and threaded rods, the guardrail can be automatically lifted and lowered to provide greater activity space and safety protection.
The automatic lifting function reduces the maintenance time and improves the work efficiency of the staff. The design of the guardrail improves safety and avoids the risk of maintenance personnel being injured during the work.
Smart Images
Figure CN222374339U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of central air-conditioning maintenance, in particular to a folding and lifting device for central air-conditioning maintenance. Background Art
[0002] The central air conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. This system is different from traditional cold air conditioning. It centrally processes air to meet comfort requirements and uses the principle of liquid vaporization refrigeration to provide the required cooling for the air conditioning system to offset the heat load of the indoor environment; the heating system provides the required heat for the air conditioning system to offset the cooling and heating loads of the indoor environment.
[0003] Most of the existing devices are manual folding ladders. When in use, maintenance personnel need to lift the ladder to the bottom of the air conditioner and repair the air conditioner by climbing the ladder. Due to the small area of the ladder board of the folding ladder, it is inconvenient for maintenance personnel to move, making maintenance more difficult, increasing maintenance time and reducing the work efficiency of the staff. Utility Model Content
[0004] The purpose of the utility model is to provide a folding and lifting device for central air-conditioning maintenance. By setting a lifting component, the staff can repair the broken central air-conditioning inside the guardrail, which solves the problem that most of the existing devices are manual folding ladders. When in use, the maintenance personnel need to lift the ladder to the bottom of the air-conditioning and repair the air-conditioning by climbing the ladder. Due to the small area of the ladder board of the folding ladder, it is inconvenient for the maintenance personnel to move, which makes the maintenance more difficult, increases the maintenance time and reduces the work efficiency of the staff.
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model is a folding lifting device for central air conditioning maintenance, comprising a base, wherein the bottom of the base is fixedly connected to moving wheels, the number of the moving wheels is four, and the characteristic is that a lifting assembly is arranged above the base, the lifting assembly comprises a fixed block 1, the top of the fixed block 1 is fixedly connected to a fixed plate, the left side of the fixed block 1 is fixedly connected to a motor, the left output end of the motor is fixedly connected to a rotating shaft, and the left side of the rotating shaft is fixedly connected to a bevel gear 1. By arranging the lifting assembly, the maintenance time is reduced and the work efficiency of the staff is improved.
[0007] Furthermore, the top of the bevel gear one is meshingly connected with the bevel gear two, the top of the bevel gear two is rotatably connected to the bottom of the fixed plate, the inner wall of the bevel gear two is threadedly connected with a threaded rod one, the top of the threaded rod one penetrates the fixed plate and extends to the outside, the top of the threaded rod one is rotatably connected to a movable plate, the top of the movable plate is fixedly connected with an oil cylinder, and the top output end of the oil cylinder is fixedly connected with a telescopic rod. By setting the oil cylinder, the device can repair air conditioners at different heights, thereby improving the practicability of the device.
[0008] Furthermore, a guardrail is fixedly connected to the top of the telescopic rod, a slide rail 1 is fixedly connected to the top of the fixed plate, two slide rails are provided, a rotating rod 1 is slidably connected to the inner wall of the slide rail 1, a round rod is rotatably connected to the center of the rotating rod 1, the left side of the round rod is fixedly connected to the right side of the movable plate, a rotating rod 2 is rotatably connected to the top of the rotating rod 1, and a slide rail 2 is slidably connected to the top of the rotating rod 2. By providing a guardrail, maintenance personnel can be protected from falling while working, thereby improving the safety of the device.
[0009] Furthermore, there are two slide rails 2, the tops of the two slide rails 2 are fixedly connected to the bottom of the guardrail, the bottom of the guardrail is fixedly connected to a fixed block 2, there are two fixed blocks 2, the inner wall of the fixed block 2 is rotatably connected to a rotating rod 3, the bottom of the rotating rod 3 is rotatably connected to a rotating rod 4, the rotating rod 3 is rotatably connected to the rotating rod 2, the rotating rod 4 is rotatably connected to the rotating rod 1, the bottom of the rotating rod 4 is rotatably connected to the fixed block 3, the bottom of the fixed block 3 is fixedly connected to the top of the fixed plate, and by setting the slide rail 2, the rotating rod can move as the guardrail rises.
[0010] Furthermore, support components are provided at the four corners of the base, and the support components include a turning handle, a threaded rod 2 is fixedly connected to the bottom of the turning handle, a fixing block 4 is threadedly connected to the outer surface of the threaded rod 2, and an outer box is fixedly connected to the bottom of the fixing block 4. By providing the support components, the device will not move during use, causing injuries to the staff, thereby improving the safety of the staff at work.
[0011] Furthermore, the outer surface of the outer box is fixedly connected to the base, and a moving block is slidably connected to the inside of the outer box. The top of the moving block contacts the bottom of the threaded rod, the bottom of the moving block is fixedly connected to a moving rod, and the bottom of the moving rod is fixedly connected to a supporting leg. A spring is wrapped around the outer surface of the moving rod, the top of the spring is fixedly connected to the bottom of the moving block, and the bottom of the spring is fixedly connected to the bottom of the inner wall of the outer box. By providing the supporting legs, the device will not move during operation, thereby improving the safety of the device.
[0012] Furthermore, a handle is fixedly connected to the top of the base, and a support rod is fixedly connected to the top of the base. There are four support rods, and the tops of the four support rods are fixedly connected to the bottom of the fixed plate. By providing a handle, the device can be moved more quickly and the time of moving the device is reduced.
[0013] The utility model has the following beneficial effects:
[0014] 1. The utility model sets a lifting component, specifically, turns on the motor to drive the rotating shaft to rotate, and the rotating shaft drives the bevel gear 1 and the bevel gear 2 to rotate. The rotation of the bevel gear 2 will also drive the threaded rod 1 to extend upward to lift the movable plate upward, and the oil cylinder is started to drive the telescopic rod to extend upward to lift the guardrail upward, so that the staff can repair the broken central air conditioner inside the guardrail, which reduces the maintenance time and improves the work efficiency of the staff.
[0015] 2. The utility model sets a support component, specifically, rotating the handle clockwise drives the threaded rod 2 to rotate inside the fixed block 4, so that the length of the threaded rod 2 inside the outer box increases, and the threaded rod 2 rotates downward and drives the moving block to move downward inside the outer box. The moving block moves downward and drives the moving rod to move downward, so that the support leg contacts the ground, so that the device will not move during use, causing injuries to the staff, thereby improving the safety of the staff at work.
[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the overall structure of the handle of the utility model;
[0020] Figure 3 This is a schematic diagram of the overall structure of the threaded rod of the utility model;
[0021] Figure 4 It is a schematic diagram of the overall structure of the movable plate of the utility model;
[0022] Figure 5 It is a schematic diagram of the left side cross-sectional structure of the outer box of the utility model.
[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0024] 1. Base; 2. Moving wheel; 3. Support rod; 4. Handle; 5. Fixed plate; 6. Guardrail; 11. Lifting assembly; 111. Fixed block 1; 112. Motor; 113. Rotating shaft; 114. Bevel gear 1; 115. Threaded rod 1; 116. Bevel gear 2; 117. Slide rail 1; 118. Moving plate; 119. Cylinder; 120. Telescopic rod; 121. Slide rail 2; 131. Rotating rod 1; 132. Rotating rod 2; 133. Round rod; 134. Fixed block 2; 135. Rotating rod 3; 136. Rotating rod 4; 137. Fixed block 3; 22. Support assembly; 221. Turning handle; 222. Fixed block 4; 223. Outer box; 224. Threaded rod 2; 225. Moving block; 226. Spring; 227. Moving rod; 228. Support leg DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-5 As shown, the utility model is a folding lifting device for central air-conditioning maintenance, comprising a base 1, a moving wheel 2 is fixedly connected to the bottom of the base 1, the number of the moving wheels 2 is four, a lifting assembly 11 is arranged above the base 1, the lifting assembly 11 comprises a fixed block 111, a fixed plate 5 is fixedly connected to the top of the fixed block 111, a motor 112 is fixedly connected to the left side of the fixed block 111, a rotating shaft 113 is fixedly connected to the left side output end of the motor 112, and a bevel gear 114 is fixedly connected to the left side of the rotating shaft 113. By setting the lifting assembly 11, specifically, the motor 112 is turned on to drive the rotating shaft 113 to rotate, the rotating shaft 113 drives the bevel gear 114 and the bevel gear 2 116 to rotate, and the rotation of the bevel gear 2 116 will drive the threaded rod 115 to extend upward to lift the moving plate 118 upward, and the oil cylinder 119 is started to drive the telescopic rod 120 to extend upward to lift the guardrail 6 upward, so that the staff can repair the broken central air conditioner inside the guardrail 6, which reduces the maintenance time and improves the work efficiency of the staff.
[0027] The top of bevel gear 114 is meshedly connected with bevel gear 2 116, and the top of bevel gear 2 116 is rotatably connected to the bottom of fixed plate 5, the inner wall of bevel gear 2 116 is threadedly connected with threaded rod 115, the top of threaded rod 115 penetrates through fixed plate 5 and extends to the outside, the top of threaded rod 115 is rotatably connected with movable plate 118, the top of movable plate 118 is fixedly connected with oil cylinder 119, and the top output end of oil cylinder 119 is fixedly connected with telescopic rod 120.
[0028] The top of the telescopic rod 120 is fixedly connected to the guardrail 6, the top of the fixed plate 5 is fixedly connected to the slide rail 117, there are two slide rails 117, the inner wall of the slide rail 117 is slidably connected to a rotating rod 131, the center of the rotating rod 131 is rotatably connected to a round rod 133, the left side of the round rod 133 is fixedly connected to the right side of the movable plate 118, the top of the rotating rod 131 is rotatably connected to a rotating rod 2 132, and the top of the rotating rod 2 132 is slidably connected to the slide rail 2 121.
[0029] There are two slide rails 121, the tops of the two slide rails 121 are fixedly connected to the bottom of the guardrail 6, the bottom of the guardrail 6 is fixedly connected to a fixed block 134, there are two fixed blocks 134, the inner wall of the fixed block 134 is rotatably connected to a rotating rod 3 135, the bottom of the rotating rod 3 135 is rotatably connected to a rotating rod 4 136, the rotating rod 3 135 is rotatably connected to the rotating rod 2 132, the rotating rod 4 136 is rotatably connected to the rotating rod 1 131, the bottom of the rotating rod 4 136 is rotatably connected to a fixed block 3 137, and the bottom of the fixed block 3 137 is fixedly connected to the top of the fixed plate 5.
[0030] Support components 22 are provided at the four corners of the base 1, and the support components 22 include a turning handle 221, a threaded rod 224 is fixedly connected to the bottom of the turning handle 221, a fixed block 222 is threadedly connected to the outer surface of the threaded rod 224, and an outer box 223 is fixedly connected to the bottom of the fixed block 222. By setting the support component 22, specifically, rotating the turning handle 221 clockwise drives the threaded rod 224 to rotate inside the fixed block 222, so that the length of the threaded rod 224 inside the outer box 223 increases, and the threaded rod 224 rotates downward while driving the moving block 225 to move downward inside the outer box 223. The moving block 225 moves downward while driving the moving rod 227 to move downward, so that the support leg 228 contacts the ground, so that the device will not move during use, causing injuries to the staff, thereby improving the safety of the staff at work.
[0031] The outer surface of the outer box 223 is fixedly connected to the base 1, and a moving block 225 is slidably connected inside the outer box 223. The top of the moving block 225 contacts the bottom of the threaded rod 224, and the bottom of the moving block 225 is fixedly connected to a moving rod 227, and the bottom of the moving rod 227 is fixedly connected to a supporting leg 228. A spring 226 is wrapped around the outer surface of the moving rod 227, and the top of the spring 226 is fixedly connected to the bottom of the moving block 225, and the bottom of the spring 226 is fixedly connected to the bottom of the inner wall of the outer box 223.
[0032] A handle 4 is fixedly connected to the top of the base 1 , and a support rod 3 is fixedly connected to the top of the base 1 . There are four support rods 3 , and the tops of the four support rods 3 are fixedly connected to the bottom of the fixing plate 5 .
[0033] A specific application of this embodiment is as follows: first, the device is pushed to the bottom of the air conditioner that needs to be repaired by using the handle 4, and the handle 221 is rotated clockwise to drive the threaded rod 224 to rotate inside the fixed block 422, so that the length of the threaded rod 224 inside the outer box 223 increases, and the threaded rod 224 rotates downward while driving the moving block 225 to move downward inside the outer box 223, and the moving block 225 moves downward while driving the moving rod to move downward, so that the supporting leg 228 contacts the ground, so that the device does not move during use, causing injuries to the staff, and the staff enters the guardrail 6, turns on the motor 112 to drive the rotating shaft 113 to rotate, and the rotating shaft 113 rotates while driving the bevel gear 1 114 to rotate, and the rotation of the bevel gear 1 114 drives the bevel gear 1 114 to rotate. The gear 2 116 rotates at the bottom of the fixed plate 5. Since the inner wall of the bevel gear 2 116 is threadedly connected to the outer surface of the threaded rod 115, the rotation of the bevel gear 2 116 will drive the threaded rod 115 to extend upward to lift the movable plate 118 upward, and the start cylinder 119 will drive the telescopic rod 120 to extend upward to lift the guardrail 6 upward, so that the staff can repair the broken central air conditioner. The staff can have more room for movement during maintenance, which improves the safety of the staff at work. When the movable plate 118 and the guardrail 6 rise upward, the rotating rod 2 132 and the rotating rod 1 131 will be driven to slide on the inner wall of the slide rail 1 117, so that the rotating rod 1 131 and the rotating rod 2 132 rotate with the rise of the guardrail 6 to increase the height, so that the device is more stable when it is raised.
[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A folding lifting device for central air conditioning maintenance, comprising a base (1), wherein the bottom of the base (1) is fixedly connected with moving wheels (2), wherein the number of the moving wheels (2) is four, and wherein: A lifting assembly (11) is arranged above the base (1); The lifting assembly (11) comprises a fixing block 1 (111), the top of the fixing block 1 (111) is fixedly connected to a fixing plate (5), the left side of the fixing block 1 (111) is fixedly connected to a motor (112), the left output end of the motor (112) is fixedly connected to a rotating shaft (113), and the left side of the rotating shaft (113) is fixedly connected to a bevel gear 1 (114).
2. A folding and lifting device for central air conditioner maintenance according to claim 1, characterized in that: The top of the bevel gear 1 (114) is meshedly connected with the bevel gear 2 (116), the top of the bevel gear 2 (116) is rotatably connected to the bottom of the fixed plate (5), the inner wall of the bevel gear 2 (116) is threadedly connected with a threaded rod 1 (115), the top of the threaded rod 1 (115) penetrates the fixed plate (5) and extends to the outside, the top of the threaded rod 1 (115) is rotatably connected with a movable plate (118), the top of the movable plate (118) is fixedly connected with an oil cylinder (119), and the top output end of the oil cylinder (119) is fixedly connected with a telescopic rod (120).
3. A folding and lifting device for central air conditioner maintenance according to claim 2, characterized in that: The top of the telescopic rod (120) is fixedly connected to a guardrail (6); the top of the fixed plate (5) is fixedly connected to a slide rail (117); the number of the slide rails (117) is two; the inner wall of the slide rail (117) is slidably connected to a rotating rod (131); the center of the rotating rod (131) is rotatably connected to a round rod (133); the left side of the round rod (133) is fixedly connected to the right side of the movable plate (118); the top of the rotating rod (131) is rotatably connected to a rotating rod (132); the top of the rotating rod (132) is slidably connected to the slide rail (121).
4. A folding and lifting device for central air conditioner maintenance according to claim 3, characterized in that: There are two slide rails 2 (121), the tops of the two slide rails 2 (121) are fixedly connected to the bottom of the guardrail (6), the bottom of the guardrail (6) is fixedly connected to a fixed block 2 (134), there are two fixed blocks 2 (134), the inner wall of the fixed block 2 (134) is rotatably connected to a rotating rod 3 (135), the bottom of the rotating rod 3 (135) is rotatably connected to a rotating rod 4 (136), the rotating rod 3 (135) is rotatably connected to the rotating rod 2 (132), the rotating rod 4 (136) is rotatably connected to the rotating rod 1 (131), the bottom of the rotating rod 4 (136) is rotatably connected to a fixed block 3 (137), and the bottom of the fixed block 3 (137) is fixedly connected to the top of the fixed plate (5).
5. A folding and lifting device for central air conditioner maintenance according to claim 4, characterized in that: The base (1) is provided with a support assembly (22) at each of the four corners, the support assembly (22) comprising a turning handle (221), the bottom of the turning handle (221) being fixedly connected to a second threaded rod (224), the outer surface of the second threaded rod (224) being threadedly connected to a fourth fixing block (222), and the bottom of the fourth fixing block (222) being fixedly connected to an outer box (223).
6. A folding and lifting device for central air conditioner maintenance according to claim 5, characterized in that: The outer surface of the outer box (223) is fixedly connected to the base (1); a moving block (225) is slidably connected inside the outer box (223); the top of the moving block (225) contacts the bottom of the second threaded rod (224); the bottom of the moving block (225) is fixedly connected to a moving rod (227); the bottom of the moving rod (227) is fixedly connected to a supporting leg (228); a spring (226) is wound around the outer surface of the moving rod (227); the top of the spring (226) is fixedly connected to the bottom of the moving block (225); and the bottom of the spring (226) is fixedly connected to the bottom of the inner wall of the outer box (223).
7. A folding and lifting device for central air conditioner maintenance according to claim 1, characterized in that: A handle (4) is fixedly connected to the top of the base (1), and a support rod (3) is fixedly connected to the top of the base (1). There are four support rods (3), and the tops of the four support rods (3) are fixedly connected to the bottom of the fixing plate (5).