Elevator door guide shoe wear testing device
The elevator door guide shoe wear testing device addresses premature wear by enabling high-speed, efficient testing without reciprocating movement, improving test efficiency and reducing thermal deformation.
Patent Information
- Application Number
- CN202210984189.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-08-17
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2042-08-17
AI Technical Summary
Existing elevator door guide shoes wear out prematurely, necessitating frequent replacements, and existing wear testing devices are cumbersome and inefficient.
A device comprising a fixed seat, door guide shoe fixing unit, wear testing unit, power unit, and water cooling unit, which allows for high-speed rotation of door guide shoes without reciprocating movement, enhancing test efficiency and reducing thermal deformation through water cooling.
Improves wear test efficiency and extends the service life prediction of elevator door guide shoes by simplifying the testing process and reducing thermal deformation.
Smart Images

Figure CN115343183B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of elevator measuring equipment, in particular to an elevator door guide shoe wear testing device. Background Art
[0002] As the guide components of the elevator hall door and car door, the elevator door guide shoes continuously form sliding friction with the elevator sill guide surface when the elevator door is opened and closed, and need to bear long-term friction load. Their general service life is 2 to 3 years, and they need to be replaced after 2 to 3 years. However, according to the actual operation status learned from the construction site, some door guide shoes have been severely worn within half a year and have to be replaced.
[0003] Chinese patent CN113607590 A discloses a wear test device for elevator door guide shoes, including a base; a pressure supply mechanism, which is connected to the top of the base and is used to apply pressure to the door guide shoes; a sliding test mechanism, which is connected to one side of the base; a cooling mechanism, which is fixedly installed on the base and is used to cool the sliding test mechanism; a pressure measuring device, which is installed inside the sliding test mechanism; and a distance meter, which is installed on one side of the top of the base and is used to monitor the thickness of the door guide shoes. When the wear test device is working, it is necessary to drive the motor to rotate back and forth periodically to drive the door guide shoes to move back and forth in the sill, which is relatively cumbersome. Summary of the invention
[0004] To achieve the above object, the present invention discloses an elevator door guide shoe wear testing device, comprising:
[0005] Fixed seat;
[0006] A door guide shoe fixing unit, wherein the door guide shoe fixing unit is rotatably mounted on the fixing seat, and a plurality of door guide shoes are fixedly mounted in the door guide shoe fixing unit;
[0007] A wear testing unit, the wear testing unit is rotatably mounted on the fixing seat, and the wear testing unit is used for wear testing of door guide shoes;
[0008] A power unit, the power unit is installed in the fixing seat, and the door guide shoe fixing unit and the wear testing unit are both connected to the power unit;
[0009] A water cooling unit is used for water cooling and heat exchange of the wear testing unit.
[0010] Preferably, the door guide shoe fixing unit comprises:
[0011] An upper rotating groove, the upper rotating groove is opened at the top of the fixing seat;
[0012] A rotating ring seat, the rotating ring seat is installed in the upper rotating groove;
[0013] A mounting step surface, the mounting step surface being circumferentially opened at a side end of the rotating ring seat;
[0014] Lower rotating gears, a plurality of lower rotating gears are circumferentially mounted on the mounting step surface through a fixed rotating shaft with the center line of the rotating ring seat as the center;
[0015] An inner gear ring, the inner gear ring is fixedly mounted on the inner wall of the upper rotating groove, and the lower rotating gear is meshed with the inner gear ring;
[0016] A door guide shoe fixing frame, wherein the door guide shoe fixing frame is mounted on the lower rotating gear, and the door guide shoe is fixedly mounted on the door guide shoe fixing frame;
[0017] An outer rotating sleeve is installed on the inner ring end of the rotating ring seat, the outer rotating sleeve is sleeved on the wear testing unit, and the outer rotating sleeve is connected to the power unit.
[0018] Preferably, the wear testing unit comprises:
[0019] A central rotating column, wherein the central rotating column is vertically mounted on the central end of the upper rotating groove, the outer rotating sleeve is sleeved on the central rotating column, and the power unit is connected to the central rotating column;
[0020] A turntable, the turntable is fixedly mounted on the top of the central rotating column, and the turntable is located above the fixing seat;
[0021] An annular wear test groove, the annular wear test groove is fixedly installed at the bottom end of the turntable with the central rotating column as the center, the annular wear test groove is located above the installation step surface, and the door guide shoe extends into the annular wear test groove;
[0022] A lifting chamber, the lifting chamber is arranged in the central rotating column, and the lifting chamber is connected to the top of the central rotating column;
[0023] Electric lifting rods, two of which are installed in the lifting chamber and connected between the bottom of the lifting chamber and the turntable.
[0024] Preferably, the outer rotating sleeve and the rotating ring seat are integrally arranged.
[0025] Preferably, a fixed circular groove is opened at the bottom end of the turntable, the top end of the central rotating column extends into the fixed circular groove, and the electric lifting rod is connected to the bottom end of the fixed circular groove.
[0026] Preferably, the power unit comprises:
[0027] A transmission chamber, the transmission chamber is arranged in the fixing seat, the transmission chamber is located below the upper rotating groove, and the outer rotating sleeve and the central rotating column both extend into the transmission chamber;
[0028] A fixing frame, two of which are vertically mounted on the bottom of the transmission chamber;
[0029] A fixed plate, the fixed plate is fixedly connected to the two fixed frames, and the central rotating column is rotatably mounted on the fixed plate;
[0030] A first rotating shaft, the first rotating shaft is located in the transmission chamber, and the first rotating shaft is rotatably mounted on the two fixing frames;
[0031] A first gear ring, the first gear ring is located in the transmission chamber, and the first gear ring is installed on the outer rotating sleeve;
[0032] A second gear ring, the second gear ring is located in the transmission chamber, and the second gear ring is installed on the central rotating column;
[0033] a first transmission gear, the first transmission gear is located in the transmission chamber, the first transmission gear is meshed with the first gear ring, and the first transmission gear is installed on the first rotating shaft;
[0034] A second transmission gear, wherein the second transmission gear is located in the transmission chamber, the second transmission gear is meshed with the second gear ring, the second transmission gear is mounted on the first rotating shaft, and the fixing frame is located between the first transmission gear and the second transmission gear.
[0035] Preferably, the power unit further comprises:
[0036] A power chamber, the power chamber is arranged in the fixing seat, the transmission chamber is located below the upper rotating groove, and the first rotating shaft extends into the power chamber;
[0037] A central rotating disk, the central rotating disk is located in the power chamber, and the central rotating disk is installed on the first rotating shaft;
[0038] A main motor, the main motor is installed at the bottom of the power chamber;
[0039] A spline shaft, the spline shaft is vertically located in the power chamber, and the spline shaft is installed at the output end of the main motor;
[0040] A spline sleeve, wherein the spline sleeve is sleeved on the spline shaft;
[0041] A friction wheel, the friction wheel is mounted on the spline sleeve, and the friction wheel is connected to the central rotating disk;
[0042] A lifting motor, the lifting motor is installed at the bottom of the power chamber;
[0043] A lifting screw rod, the lifting screw rod is vertically located in the power chamber, and the lifting screw rod is installed at the output end of the lifting motor;
[0044] A lifting screw plate, wherein the lifting screw plate is sleeved on the lifting screw rod, and the lifting screw plate is connected to the spline sleeve.
[0045] Preferably, the power unit further comprises:
[0046] An air outlet channel, the air outlet channel being connected between the power chamber and the bottom end of the upper rotating groove;
[0047] An air outlet turbine, the air outlet turbine is located in the power chamber, and the air outlet turbine is mounted on the spline shaft;
[0048] An air inlet is provided at a side end of the fixing seat, the air inlet is connected to the power chamber, and an air inlet grille is installed on the air inlet.
[0049] Preferably, the water cooling unit comprises:
[0050] A water cooling jacket, the water cooling jacket is arranged in the turntable, and the water cooling jacket is arranged close to the annular wear test groove;
[0051] A water storage chamber, the water storage chamber is arranged in the central rotating column, and the water storage chamber is connected to the bottom end of the central rotating column;
[0052] An inner ferrule, the inner ferrule is fixedly connected to the top of the fixing plate, and the inner ferrule is slidably connected to the inner wall of the water storage chamber;
[0053] A water cooling chamber, the water cooling chamber is arranged in the fixing seat, and the water cooling chamber is located below the upper rotating groove;
[0054] A water pipe, the water pipe is located in the transmission chamber, one end of the water pipe extends from the inner wall of the transmission chamber into the water cooling chamber, and the other end of the water pipe is passed through the bottom end of the fixing plate and communicated with the inner ferrule;
[0055] A semiconductor refrigerator, the semiconductor refrigerator is embedded in the side end of the fixing seat, and the semiconductor refrigerator is connected to the water cooling chamber;
[0056] Hose, two of the hoses are arranged in the lifting chamber, the hose is located between the two electric lifting rods, one end of the hose extends from the bottom of the lifting chamber into the water storage chamber, and the other end of the hose extends from the bottom of the fixed circular groove into the water cooling jacket, and a water suction pump is installed on one of the hoses.
[0057] Preferably, an air outlet gap is left between the bottom end of the turntable and the notch end of the upper rotating groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0058] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0059] Figure 1 It is a schematic diagram of the structure of the present invention;
[0060] Figure 2 It is a transmission schematic diagram of the door guide shoe fixing unit, the wear testing unit, the power unit, and the water cooling unit in the present invention;
[0061] Figure 3 for Figure 2 The enlarged view of the middle label A;
[0062] Figure 4 for Figure 2 The enlarged view of the label B;
[0063] Figure 5 It is a top view of the door guide shoe fixing unit of the present invention.
[0064] In the figure: 1. Fixing seat; 2. Door guide shoe fixing unit; 3. Wear test unit; 4. Power unit; 5. Water cooling unit; 21. Upper rotating groove; 22. Rotating ring seat; 23. Mounting step surface; 24. Lower rotating gear; 25. Inner gear ring; 26. Door guide shoe fixing frame; 27. Outer rotating sleeve; 31. Center rotating column; 32. Turntable; 33. Annular wear test groove; 34. Lifting room; 35. Electric lifting rod; 41. Transmission room; 42. Fixing frame; 43. Fixed plate; 44. First rotating shaft; 45. First gear ring; 46. Second gear ring; 47. First transmission gear; 48. Second transmission gear; 49. Power chamber; 40. Center turntable; 51. Main motor; 52. Spline shaft; 53. Friction wheel; 54. Lifting motor; 55. Lifting screw; 56. Lifting screw plate; 57. Air outlet channel; 58. Air outlet turbine; 59. Water cooling jacket; 50. Water storage chamber; 61. Inner ferrule; 62. Water cooling chamber; 63. Hose. DETAILED DESCRIPTION
[0065] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0066] Example
[0067] The present invention will be further described below in conjunction with the accompanying drawings.
[0068] like Figure 1 As shown, this embodiment provides an elevator door guide shoe wear testing device, comprising:
[0069] Fixed seat 1;
[0070] A door guide shoe fixing unit 2, wherein the door guide shoe fixing unit 2 is rotatably mounted on the fixing seat 1, and a plurality of door guide shoes are fixedly mounted in the door guide shoe fixing unit 2;
[0071] A wear testing unit 3, the wear testing unit 3 is rotatably mounted on the fixing seat 1, and the wear testing unit 3 is used for wear testing of door guide shoes;
[0072] A power unit 4, the power unit 4 is installed in the fixing seat 1, and the door guide shoe fixing unit 2 and the wear testing unit 3 are both connected to the power unit 4;
[0073] The water cooling unit 5 is used for water cooling and heat exchange of the wear testing unit 3 .
[0074] The working principle and beneficial effects of the above technical solution are:
[0075] The present invention discloses an elevator door guide shoe wear test device, wherein the wear test unit 3 is raised upward, the door guide shoe is placed in each door guide shoe fixing unit 2, the wear test unit 3 is lowered, and the power unit 4 is operated, thereby driving the door guide shoe fixing unit 2 and the wear test unit 3 connected thereto to rotate, and the door guide shoe fixing unit 2 and the wear test unit 3 have opposite directions, thereby driving the door guide shoe to rotate at high speed in the wear test unit 3, thereby improving the test efficiency, and the water cooling unit 5 performs heat exchange and cooling on the wear test unit 3 to reduce the door guide shoe from rotating at high speed in the wear test unit 3 to generate thermal deformation, thereby affecting the test effect, and the elevator door guide shoe wear test device provided by the present invention does not require reciprocating movement and is relatively simple. Moreover, the door guide shoe fixing unit 2 and the wear test unit 3 have opposite directions, and the test efficiency is significantly improved.
[0076] like Figure 2 , Figure 5 As shown, in one embodiment, the door guide shoe fixing unit 2 includes:
[0077] An upper rotating groove 21, wherein the upper rotating groove 21 is provided at the top of the fixing seat 1;
[0078] A rotating ring seat 22, wherein the rotating ring seat 22 is installed in the upper rotating groove 21;
[0079] A mounting step surface 23, the mounting step surface 23 is circumferentially opened at a side end of the rotating ring seat 22;
[0080] Lower rotating gears 24, a plurality of lower rotating gears 24 are circumferentially mounted on the mounting stepped surface 23 through a fixed rotating shaft with the center line of the rotating ring seat 22 as the center;
[0081] An inner gear ring 25, the inner gear ring 25 is fixedly mounted on the inner wall of the upper rotating groove 21, and the lower rotating gear 24 is meshed with the inner gear ring 25;
[0082] A door guide shoe fixing frame 26, wherein the door guide shoe fixing frame 26 is mounted on the lower rotating gear 24, and the door guide shoe is fixedly mounted on the door guide shoe fixing frame 26;
[0083] The outer rotating sleeve 27 is installed on the inner ring end of the rotating ring seat 22 , and the outer rotating sleeve 27 is sleeved on the wear testing unit 3 . The outer rotating sleeve 27 is connected to the power unit 4 .
[0084] The working principle and beneficial effects of the above technical solution are:
[0085] The door guide shoe is placed in the door guide shoe fixing frame 26, and the power unit 4 drives the outer rotating sleeve 27 connected thereto and the rotating ring seat 22 connected to the outer rotating sleeve 27 to rotate, thereby driving the lower rotating gear 24 located on the mounting step surface 23 to rotate. The lower rotating gear 24 rotates around the rotating ring seat 22 and cooperates with the inner gear ring 25 to rotate on the mounting step surface 23 around the fixed rotating shaft, so that the door guide shoe installed on the lower rotating gear 24 through the door guide shoe fixing frame 26 rotates while rotating around the rotating ring seat 22, thereby improving the rotation form of the door guide shoe, thereby performing a full range of wear tests in the wear test unit 3.
[0086] like Figure 2 As shown, in one embodiment, the wear test unit 3 includes:
[0087] A central rotating column 31, wherein the central rotating column 31 is vertically mounted at the central end of the upper rotating groove 21, the outer rotating sleeve 27 is sleeved on the central rotating column 31, and the power unit 4 is connected to the central rotating column 31;
[0088] A turntable 32, wherein the turntable 32 is fixedly mounted on the top of the central rotating column 31, and the turntable 32 is located above the fixing seat 1;
[0089] An annular wear test groove 33, the annular wear test groove 33 is fixedly installed at the bottom end of the turntable 32 with the central rotating column 31 as the center, the annular wear test groove 33 is located above the mounting step surface 23, and the door guide shoe extends into the annular wear test groove 33;
[0090] A lifting chamber 34, wherein the lifting chamber 34 is disposed in the central rotating column 31, and the lifting chamber 34 is connected to the top of the central rotating column 31;
[0091] The electric lifting rods 35 are installed in the lifting chamber 34 and connected between the bottom of the lifting chamber 34 and the turntable 32 .
[0092] The working principle and beneficial effects of the above technical solution are:
[0093] The electric lifting rod 35 located in the lifting chamber 34 lifts the turntable 32 to the upper rotating groove 21, so as to expose the door guide shoe fixing frame 26. After the door guide shoe is placed in the door guide shoe fixing frame 26, the electric lifting rod 35 drives the turntable 32 to fall back, and the door guide shoe is sent into the annular wear test groove 33. The annular wear test groove 33 plays the role of a threshold. Therefore, when the rotating ring seat 22 drives the door guide shoe to rotate in the annular wear test groove 33, the power unit 4 drives the turntable 32 and the annular wear test groove 33 installed at the bottom of the turntable 32 to rotate in the opposite direction through the central rotating column 31, thereby improving the wear test efficiency of the door guide shoe.
[0094] In one embodiment, the outer rotating sleeve 27 and the rotating ring seat 22 are integrally arranged.
[0095] In one embodiment, a fixed circular groove is formed at the bottom of the turntable 32, the top of the central rotating column 31 extends into the fixed circular groove, and the electric lifting rod 35 is connected to the bottom of the fixed circular groove.
[0096] The working principle of the above technical solution is:
[0097] The fixed circular groove is set so that when the electric lifting rod 35 drives the rotating disk 32 to fall back, the top end of the central rotating column 31 extends into the fixed circular groove.
[0098] like Figure 2 , Figure 4 As shown, in one embodiment, the power unit 4 includes:
[0099] A transmission chamber 41, wherein the transmission chamber 41 is disposed in the fixing seat 1, and the transmission chamber 41 is located below the upper rotating groove 21, and the outer rotating sleeve 27 and the central rotating column 31 both extend into the transmission chamber 41;
[0100] A fixing frame 42, two fixing frames 42 are vertically mounted on the bottom of the transmission chamber 41;
[0101] A fixing plate 43, wherein the fixing plate 43 is fixedly connected to the two fixing frames 42, and the central rotating column 31 is rotatably mounted on the fixing plate 43;
[0102] A first rotating shaft 44, wherein the first rotating shaft 44 is located in the transmission chamber 41, and the first rotating shaft 44 is rotatably mounted on the two fixing frames 42;
[0103] A first gear ring 45, wherein the first gear ring 45 is located in the transmission chamber 41 and is mounted on the outer rotating sleeve 27;
[0104] A second gear ring 46, wherein the second gear ring 46 is located in the transmission chamber 41, and the second gear ring 46 is mounted on the central rotating column 31;
[0105] A first transmission gear 47, wherein the first transmission gear 47 is located in the transmission chamber 41, the first transmission gear 47 is meshed with the first gear ring 45, and the first transmission gear 47 is mounted on the first rotating shaft 44;
[0106] The second transmission gear 48 is located in the transmission chamber 41 , the second transmission gear 48 is meshed with the second gear ring 46 , the second transmission gear 48 is installed on the first rotating shaft 44 , and the fixing frame 42 is located between the first transmission gear 47 and the second transmission gear 48 .
[0107] The working principle and beneficial effects of the above technical solution are:
[0108] The first rotating shaft 44 mounted on the fixed frame 42 rotates in the transmission chamber 41, thereby driving the first transmission gear 47 and the second transmission gear 48 mounted on the first rotating shaft 44 to rotate synchronously. The first transmission gear 47 drives the outer rotating sleeve 27 to rotate through the first gear ring 45, and the second transmission gear 48 drives the central rotating column 31 to rotate in the opposite direction through the second gear ring 46, so that the rotating ring seat 22 and the rotating disk 32 rotate in opposite directions.
[0109] like Figure 2 , Figure 3 As shown, in one embodiment, the power unit 4 further includes:
[0110] A power chamber 49, wherein the power chamber 49 is disposed in the fixing seat 1, the transmission chamber 41 is located below the upper rotating groove 21, and the first rotating shaft 44 extends into the power chamber 49;
[0111] A central rotating disk 40, wherein the central rotating disk 40 is located in the power chamber 49 and is mounted on the first rotating shaft 44;
[0112] A main motor 51, the main motor 51 is installed at the bottom of the power chamber 49;
[0113] A spline shaft 52, the spline shaft 52 is vertically located in the power chamber 49, and the spline shaft 52 is installed at the output end of the main motor 51;
[0114] A spline sleeve, the spline sleeve is sleeved on the spline shaft 52;
[0115] A friction wheel 53, wherein the friction wheel 53 is mounted on the spline sleeve and connected to the central rotating disk 40;
[0116] A lifting motor 54, the lifting motor 54 is installed at the bottom of the power chamber 49;
[0117] A lifting screw 55, wherein the lifting screw 55 is vertically located in the power chamber 49, and the lifting screw 55 is installed at the output end of the lifting motor 54;
[0118] The lifting screw plate 56 is sleeved on the lifting screw rod 55 , and the lifting screw plate 56 is connected to the spline sleeve.
[0119] The working principle and beneficial effects of the above technical solution are:
[0120] The main motor 51 installed in the power chamber 49 works, thereby driving the spline shaft 52 installed at the output end of the main motor 51 to rotate, and the spline shaft 52 drives the friction wheel 53 to rotate through the spline sleeve, and the friction wheel 53 drives the first rotating shaft 44 to rotate through the center turntable 40. When the speed of the first rotating shaft 44 needs to be changed, the lifting motor 54 installed in the power chamber 49 works, thereby driving the lifting screw 55 installed at the output end of the lifting motor 54 to rotate, and the lifting screw 55 drives the lifting screw plate 56 sleeved thereon and the spline sleeve connected to the lifting screw plate 56 to move on the spline shaft 52, thereby driving the friction wheel 53 installed on the spline sleeve to move along the center line direction of the spline shaft 52. When the friction wheel 53 moves toward the first rotating shaft 44, the speed of the first rotating shaft 44 becomes faster. On the contrary, when the friction wheel 53 moves away from the first rotating shaft 44, the speed of the first rotating shaft 44 becomes slower, thereby changing the speed of the door guide shoe in the annular wear test groove 33.
[0121] like Figure 3 As shown, in one embodiment, the power unit 4 further includes:
[0122] An air outlet channel 57, the air outlet channel 57 is connected between the power chamber 49 and the bottom end of the upper rotating groove 21;
[0123] An air outlet turbine 58, the air outlet turbine 58 is located in the power chamber 49, and the air outlet turbine 58 is installed on the spline shaft 52;
[0124] An air inlet is provided at a side end of the fixing seat 1 , the air inlet is connected to the power chamber 49 , and an air inlet grille is installed on the air inlet.
[0125] The working principle and beneficial effects of the above technical solution are:
[0126] When the main motor 51 drives the spline shaft 52 to rotate, it drives the air outlet turbine 58 installed on the spline shaft 52 to rotate. The air outlet turbine 58 sucks outdoor air into the power chamber 49 from the air inlet, and sends it into the upper rotating groove 21 from the air outlet channel 57 to increase the air flow rate near the door guide shoe, thereby improving the heat dissipation effect of the door guide shoe.
[0127] like Figure 2 As shown, in one embodiment, the water cooling unit 5 comprises:
[0128] A water cooling jacket 59, wherein the water cooling jacket 59 is disposed in the rotating disk 32, and the water cooling jacket 59 is disposed close to the annular wear test groove 33;
[0129] A water storage chamber 50, wherein the water storage chamber 50 is disposed in the central rotating column 31, and the water storage chamber 50 is connected to the bottom end of the central rotating column 31;
[0130] An inner ferrule 61, wherein the inner ferrule 61 is fixedly connected to the top of the fixing plate 43, and the inner ferrule 61 is slidably connected to the inner wall of the water storage chamber 50;
[0131] A water cooling chamber 62, wherein the water cooling chamber 62 is disposed in the fixing seat 1, and the water cooling chamber 62 is located below the upper rotating groove 21;
[0132] A water pipe, the water pipe is located in the transmission chamber 41, one end of the water pipe extends from the inner wall of the transmission chamber 41 into the water cooling chamber 62, and the other end of the water pipe is passed through the bottom end of the fixing plate 43 and communicated with the inner ferrule 61;
[0133] A semiconductor refrigerator, which is embedded in the side end of the fixing seat 1 and connected to the water cooling chamber 62;
[0134] Hose 63, two of the hoses 63 are arranged in the lifting chamber 34, and the hose 63 is located between the two electric lifting rods 35. One end of the hose 63 extends from the bottom of the lifting chamber 34 into the water storage chamber 50, and the other end of the hose 63 extends from the bottom of the fixed circular groove into the water cooling jacket 59, and a water suction pump is installed on one of the hoses 63.
[0135] The working principle and beneficial effects of the above technical solution are:
[0136] The pump hose 63 works to draw cold water in the water cooling chamber 62 from the water pipe into the water storage chamber 50, and then delivers it to the water cooling jacket 59 from one of the hoses 63 to exchange heat with the annular wear test groove 33 close to the water cooling jacket 59. The hot water after heat exchange flows back to the water storage chamber 50 from the other hose 63. The semiconductor refrigerator cools the water in the water cooling chamber 62 and the water storage chamber 50 connected to the water cooling chamber 62 through the water pipe, so that cold water can be continuously delivered to the water cooling jacket 59 to exchange heat with the annular wear test groove 33.
[0137] In one embodiment, an air outlet gap is left between the bottom end of the rotating disk 32 and the slot end of the upper rotating slot 21 .
[0138] The beneficial effects of the above technical solution are:
[0139] The provision of the air outlet gap facilitates the air sent into the upper rotating groove 21 from the air outlet passage 57 to be sent outdoors.
[0140] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.
Claims
1. An elevator door guide shoe wear test device, characterized in that: include: Fixed seat (1); A door guide shoe fixing unit (2), the door guide shoe fixing unit (2) being rotatably mounted on the fixing seat (1), and a plurality of door guide shoes being fixedly mounted in the door guide shoe fixing unit (2); A wear testing unit (3), the wear testing unit (3) being rotatably mounted on the fixing seat (1), the wear testing unit (3) being used for wear testing of door guide shoes; A power unit (4), the power unit (4) being installed in the fixing seat (1), and the door guide shoe fixing unit (2) and the wear testing unit (3) being connected to the power unit (4); A water cooling unit (5), the water cooling unit (5) being used for water cooling and heat exchange of the wear testing unit (3); The door guide shoe fixing unit (2) comprises: An upper rotating groove (21), wherein the upper rotating groove (21) is disposed at a top end of the fixing seat (1); A rotating ring seat (22), wherein the rotating ring seat (22) is installed in the upper rotating groove (21); A mounting step surface (23), the mounting step surface (23) being circumferentially opened at a side end of the rotating ring seat (22); A lower rotating gear (24), wherein a plurality of the lower rotating gears (24) are circumferentially mounted on the mounting step surface (23) via a fixed rotating shaft with the center line of the rotating ring seat (22) as the center; An inner gear ring (25), the inner gear ring (25) being fixedly mounted on the inner wall of the upper rotating groove (21), and the lower rotating gear (24) being meshed with the inner gear ring (25); a door guide shoe fixing frame (26), the door guide shoe fixing frame (26) being mounted on the lower rotating gear (24), and the door guide shoe being fixedly mounted on the door guide shoe fixing frame (26); an outer rotating sleeve (27), the outer rotating sleeve (27) being mounted on the inner ring end of the rotating ring seat (22), the outer rotating sleeve (27) being sleeved on the wear testing unit (3), and the outer rotating sleeve (27) being connected to the power unit (4); The wear testing unit (3) comprises: A central rotating column (31), the central rotating column (31) being vertically mounted on the central end of the upper rotating groove (21), the outer rotating sleeve (27) being sleeved on the central rotating column (31), and the power unit (4) being connected to the central rotating column (31); A rotating disk (32), the rotating disk (32) being fixedly mounted on the top of the central rotating column (31), the rotating disk (32) being located above the fixing seat (1); an annular wear test groove (33), the annular wear test groove (33) being fixedly mounted at the bottom end of the turntable (32) with the central rotating column (31) as the center, the annular wear test groove (33) being located above the mounting step surface (23), and the door guide shoe extending into the annular wear test groove (33); A lifting chamber (34), the lifting chamber (34) being arranged in the central rotating column (31), the lifting chamber (34) being connected to the top end of the central rotating column (31); Electric lifting rods (35), two of the electric lifting rods (35) are installed in the lifting chamber (34) and connected between the bottom of the lifting chamber (34) and the rotating disk (32); The power unit (4) comprises: a transmission chamber (41), the transmission chamber (41) being disposed in the fixed seat (1), the transmission chamber (41) being located below the upper rotating groove (21), the outer rotating sleeve (27) and the central rotating column (31) both extending into the transmission chamber (41); A fixing frame (42), wherein two fixing frames (42) are vertically mounted on the bottom of the transmission chamber (41); A fixing plate (43), the fixing plate (43) being fixedly connected to the two fixing frames (42), and the central rotating column (31) being rotatably mounted on the fixing plate (43); a first rotating shaft (44), the first rotating shaft (44) being located in the transmission chamber (41), and the first rotating shaft (44) being rotatably mounted on the two fixing frames (42); a first gear ring (45), the first gear ring (45) being located in the transmission chamber (41), and the first gear ring (45) being mounted on the outer rotating sleeve (27); a second gear ring (46), the second gear ring (46) being located in the transmission chamber (41), and the second gear ring (46) being mounted on the central rotating column (31); a first transmission gear (47), the first transmission gear (47) being located in the transmission chamber (41), the first transmission gear (47) being meshed with the first gear ring (45), and the first transmission gear (47) being mounted on the first rotating shaft (44); a second transmission gear (48), the second transmission gear (48) being located in the transmission chamber (41), the second transmission gear (48) being meshed with the second gear ring (46), the second transmission gear (48) being mounted on the first rotating shaft (44), and the fixing frame (42) being located between the first transmission gear (47) and the second transmission gear (48); a power chamber (49), the power chamber (49) being disposed in the fixed seat (1), the transmission chamber (41) being located below the upper rotating groove (21), and the first rotating shaft (44) extending into the power chamber (49); a central rotating disk (40), the central rotating disk (40) being located in the power chamber (49), and the central rotating disk (40) being mounted on the first rotating shaft (44); A main motor (51), the main motor (51) being installed at the bottom of the power chamber (49); A spline shaft (52), the spline shaft (52) being vertically located in the power chamber (49), and the spline shaft (52) being mounted on an output end of the main motor (51); A spline sleeve, the spline sleeve being sleeved on the spline shaft (52); a friction wheel (53), the friction wheel (53) being mounted on the spline sleeve, and the friction wheel (53) being connected to the central rotating disk (40); A lifting motor (54), the lifting motor (54) being installed at the bottom of the power chamber (49); A lifting screw (55), the lifting screw (55) being vertically located in the power chamber (49), and the lifting screw (55) being mounted on an output end of the lifting motor (54); A lifting screw plate (56), wherein the lifting screw plate (56) is sleeved on the lifting screw rod (55), and the lifting screw plate (56) is connected to the spline sleeve.
2. The elevator door guide shoe wear testing device according to claim 1, characterized in that: The outer rotating sleeve (27) and the rotating ring seat (22) are arranged in an integrated manner.
3. The elevator door guide shoe wear testing device according to claim 1, characterized in that: A fixed circular groove is formed at the bottom end of the rotating disk (32), the top end of the central rotating column (31) extends into the fixed circular groove, and the electric lifting rod (35) is connected to the bottom end of the fixed circular groove.
4. The elevator door guide shoe wear testing device according to claim 1, characterized in that: The power unit (4) further comprises: An air outlet channel (57), the air outlet channel (57) being connected between the power chamber (49) and the bottom end of the upper rotating groove (21); an air outlet turbine (58), the air outlet turbine (58) being located in the power chamber (49), and the air outlet turbine (58) being mounted on the spline shaft (52); An air inlet is provided at a side end of the fixing seat (1), the air inlet is connected to the power chamber (49), and an air inlet grille is installed on the air inlet.
5. The elevator door guide shoe wear testing device according to claim 1, characterized in that: The water cooling unit (5) comprises: a water cooling jacket (59), the water cooling jacket (59) being arranged in the rotating disk (32), the water cooling jacket (59) being arranged close to the annular wear test groove (33); A water storage chamber (50), the water storage chamber (50) being arranged in the central rotating column (31), and the water storage chamber (50) being connected to the bottom end of the central rotating column (31); An inner ferrule (61), the inner ferrule (61) being fixedly connected to the top end of the fixing plate (43), and the inner ferrule (61) being slidably connected to the inner wall of the water storage chamber (50); A water cooling chamber (62), the water cooling chamber (62) being arranged in the fixing seat (1), and the water cooling chamber (62) being located below the upper rotating groove (21); A water pipe, the water pipe being located in the transmission chamber (41), one end of the water pipe extending from the inner wall of the transmission chamber (41) into the water cooling chamber (62), and the other end of the water pipe passing through the bottom end of the fixing plate (43) and communicating with the inner ferrule (61); A semiconductor refrigerator, the semiconductor refrigerator being embedded in a side end of the fixing seat (1), and the semiconductor refrigerator being connected to the water cooling chamber (62); Hose (63), two of the hoses (63) are arranged in the lifting chamber (34), the hose (63) is located between the two electric lifting rods (35), one end of the hose (63) extends from the bottom of the lifting chamber (34) into the water storage chamber (50), and the other end of the hose (63) extends from the bottom of the fixed circular groove into the water cooling jacket (59), and a water suction pump is installed on one of the hoses (63).
6. The elevator door guide shoe wear testing device according to claim 1, characterized in that: An air outlet gap is left between the bottom end of the rotating disk (32) and the slot end of the upper rotating slot (21).
