Elevator door change gear abrasion testing device

Abstract

The utility model discloses an elevator door change gear wear testing device, which relates to the technical field of elevator accessory testing, and comprises a testing table and a testing wheel which is rotatably arranged, two groups of L-shaped frames are further mounted on the testing table, a fixed beam is arranged between adjacent L-shaped frames, a lifting component for adjusting the height of the fixed beam is arranged on the L-shaped frames, and a mounting component is arranged on the rear side wall of the fixed beam. The mounting part comprises two groups of supporting rods, a fixing ring is mounted on the two groups of supporting rods, a connecting shaft is arranged in the fixing ring, a through hole for the connecting shaft to pass through is formed in the fixing beam, a door change gear is connected to the front end of the connecting shaft, two groups of positioning grooves are formed in the rear end of the outer wall of the connecting shaft, and two groups of rotationally arranged telescopic connecting rods are arranged in the fixing ring; and each group of telescopic connecting rods is provided with a positioning block matched with the positioning groove. According to the elevator door change gear abrasion testing device, the connecting shaft, the door change gear and the fixed beam can be rapidly disassembled and assembled through the installation parts, the door change gears of different sizes can be rapidly replaced through the elevator door change gear abrasion testing device, the door change gears of different sizes can be tested, and the use limitation is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator accessory test technical field, concretely is a kind of elevator door hanging wheel abrasion testing device. BACKGROUND

[0002] Elevator door hanging wheel is the important component of elevator door system, usually fixed on elevator door, is made of high-strength metal or cast iron. It mainly supports the sliding opening and closing of elevator door, has strong load-bearing capacity, wear resistance, corrosion resistance, not easy to rust and other characteristics. Through the groove on the outer peripheral wall and the preset track cooperation, realize the stable opening and closing of elevator door, ensure the normal operation of elevator and the safety of passenger. Door hanging wheel needs to be tested before being put into use.

[0003] As prior art publication No. CN209513490U proposes a kind of elevator door hanging wheel abrasion testing device, the utility model has can better simulate door hanging wheel load-bearing condition, restores the wear degree of door hanging wheel in the process of movement, to be based on the effect of more accurate assessment of the wear resistance of door hanging wheel.

[0004] The above prior art is known through actual use, door hanging wheel is installed on cantilever to test, but the size of door hanging wheel is not the same, and door hanging wheel and cantilever are not convenient to disassemble and assemble, it is inconvenient to replace door hanging wheel of different sizes to test, there is certain limitation in use, for this, we improve the above prior art according to actual use. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of elevator door hanging wheel abrasion testing device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of elevator door hanging wheel abrasion testing device, including test table, test table is equipped with fixed table, fixed table is installed with drive motor, and the output end of drive motor is connected with test wheel by rotating shaft, test table is also installed with support frame, support frame is equipped with bearing seat, and bearing seat is connected with test wheel rotationally;

[0008] Test table is also installed with two groups of L-shaped frame, fixed beam is equipped between adjacent L-shaped frame, and L-shaped frame is equipped with lifting component for adjusting the height of fixed beam;

[0009] The rear side wall of the fixed beam is provided with a mounting component, the mounting component comprises two groups of supporting rods, fixing rings are mounted on the two groups of supporting rods, connecting shafts are arranged in the fixing rings, the front ends of the connecting shafts penetrate through the fixed beam, through holes are formed in the fixed beam and pass through the connecting shafts, door hanging wheels are connected to the front ends of the connecting shafts, two groups of positioning grooves are formed in the outer wall of the connecting shafts, and two groups of rotationally arranged telescopic connecting rods are arranged in the fixing rings, and positioning blocks matched with the positioning grooves are mounted on each group of telescopic connecting rods.

[0010] Further, the lifting component comprises a speed reducer motor, the speed reducer motor is arranged on the left L-shaped frame, a screw rod is connected to the output end of the speed reducer motor, a threaded seat is threadedly connected to the screw rod, the threaded seat is fixedly connected to the outer wall of the fixed beam, a vertical rod is arranged between the right L-shaped frame and the test table, a sliding block is slidably connected to the vertical rod, and the sliding block is fixedly connected to the outer wall of the fixed beam.

[0011] Further, a circular groove is further formed in the inner wall of the fixing ring, two groups of arc-shaped sliding blocks are rotationally and slidably connected in the circular groove, the outer walls of the two groups of arc-shaped sliding blocks are connected with the two groups of telescopic connecting rods, compression springs are sleeved on the outer walls of the two groups of telescopic connecting rods, and the compression springs are located between the arc-shaped sliding blocks and the positioning blocks.

[0012] Further, bearings are connected to the inner walls of the through holes formed in the fixed beam, and the bearings are rotationally connected with the connecting shafts.

[0013] Further, lubricating oil is coated at the connection positions of the circular groove and the two groups of arc-shaped sliding blocks.

[0014] Compared with the prior art, the elevator door hanging wheel wear testing device has the following beneficial effects:

[0015] Through the actions of the two groups of telescopic connecting rods and the compression springs of the mounting component, the adjacent positioning blocks can be connected with or separated from the positioning grooves formed in the connecting shafts, the connecting shafts, the door hanging wheels and the fixed beam can be quickly disassembled and assembled, the elevator door hanging wheel wear testing device can quickly replace door hanging wheels of different sizes, can test door hanging wheels of different sizes, and has small use limitations; through the working of the speed reducer motor of the lifting component, the screw rod can be driven to rotate, after the threaded seat threadedly connected with the screw rod is limited through the sliding of the vertical rod and the sliding block, the height of the fixed beam can be adjusted, the pressure of the test wheel in contact with the door hanging wheel can be adjusted, and the door hanging wheel can be tested under different pressures. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is another structural schematic view of the utility model;

[0018] Fig. 3 It is a connection structural schematic view of the door hanging wheel and the mounting component of the utility model.

[0019] In the figure: 1, test table; 2, L-shaped frame; 3, support frame; 4, bearing seat; 5, test wheel; 6, speed reducer motor; 7, screw rod; 8, threaded seat; 9, vertical rod; 10, sliding block; 11, fixed beam; 12, door hanging wheel; 13, fixed table; 14, driving motor; 15, mounting part; 150, support rod; 151, fixed ring; 152, connecting shaft; 153, positioning groove; 154, circular groove; 155, arc-shaped sliding block; 156, telescopic connecting rod; 157, compression spring; 158, positioning block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment 1

[0022] Please refer to Figs. 1-3 The utility model provides a technical scheme: a kind of elevator door hanging wheel abrasion testing device, including test table 1, test table 1 is equipped with fixed table 13, fixed table 13 is installed with driving motor 14, and the output end of driving motor 14 is connected with test wheel 5 by rotating shaft, test table 1 is also installed with support frame 3, support frame 3 is equipped with bearing seat 4, and bearing seat 4 is rotationally connected with test wheel 5;Before use, the electrical end of each electrical equipment is electrically connected with the electrical end of external power supply and controller by wire, the work of driving motor 14 can drive test wheel 5 rotation, the rotation of test wheel 5 can test the abrasion of elevator door hanging wheel, this is prior art, specific working principle is not described here;

[0023] Test table 1 is also installed with two groups of L-shaped frame 2, fixed beam 11 is equipped between adjacent L-shaped frame 2, and L-shaped frame 2 is equipped with lifting part for adjusting the height of fixed beam 11;Lifting part can adjust the height of fixed beam 11, can adjust the pressure of test wheel 5 and door hanging wheel 12 contact, can test door hanging wheel 12 under different pressure.

[0024] The rear side wall of the fixed beam 11 is provided with a mounting component 15, the mounting component 15 comprises two groups of supporting rods 150, the supporting rods 150 are provided with fixing rings 151, the fixing rings 151 are provided with connecting shafts 152, the front ends of the connecting shafts 152 penetrate through the fixed beam 11, the fixed beam 11 is provided with through holes through the connecting shafts 152, the front ends of the connecting shafts 152 are connected with the door hanging wheels 12, the outer walls of the rear ends of the connecting shafts 152 are provided with two groups of positioning grooves 153, the fixing rings 151 are provided with two groups of telescopically connecting rods 156 which are rotationally arranged, each group of the telescopically connecting rods 156 is provided with a positioning block 158 which is matched with the positioning groove 153; the fixing ring 151 is fixedly connected with the fixed beam 11 through the two groups of supporting rods 150, the connecting shaft 152 is fixedly connected with the door hanging wheel 12, through the action of the two groups of rotationally arranged telescopically connecting rods 156, the positioning block 158 can be connected with or separated from the positioning groove 153 which is arranged on the connecting shaft 152, the quick disassembly and assembly of the connecting shaft 152, the door hanging wheel 12 and the fixed beam 11 are realized, the elevator door hanging wheel wear testing device can quickly replace door hanging wheels of different sizes, can test door hanging wheels of different sizes, and has small use limitation.

[0025] Preferably, the lifting component comprises a speed reducer motor 6, the speed reducer motor 6 is located on the left L-shaped frame 2, and the output end of the speed reducer motor 6 is connected with a lead screw 7, the lead screw 7 is threadedly connected with a threaded seat 8, the threaded seat 8 is fixedly connected with the outer wall of the fixed beam 11, a vertical rod 9 is arranged between the right L-shaped frame 2 and the test table 1, and a sliding block 10 is slidingly connected with the vertical rod 9, and the sliding block 10 is fixedly connected with the outer wall of the fixed beam 11; the two groups of L-shaped frames 2 are fixedly connected with the test table 1, the bottom end of the lead screw 7 is rotationally connected with the test table 1 through a bearing, and the height of the fixed beam 11 can be adjusted through the sliding and limiting of the vertical rod 9 and the sliding block 10 after the threaded seat 8 threadedly connected with the lead screw 7 is driven to rotate by the working of the speed reducer motor 6.

[0026] Preferably, the inner wall of the fixing ring 151 is further provided with a circular groove 154, two groups of arc-shaped sliding blocks 155 are rotationally and slidingly connected in the circular groove 154, the outer walls of the two groups of arc-shaped sliding blocks 155 are connected with the two groups of telescopically connecting rods 156 respectively, the outer walls of the two groups of telescopically connecting rods 156 are sleeved with compression springs 157, and the compression springs 157 are located between the arc-shaped sliding blocks 155 and the positioning blocks 158;

[0027] The two ends of the telescopic connecting rod 156 are fixedly connected with the arc-shaped sliding blocks 155 and the positioning blocks 158 respectively, when the door hanger wheel 12 is rotating for testing, the two groups of arc-shaped sliding blocks 155 can rotate in the circular groove 154, without affecting the normal rotation of the connecting shaft 152, the telescopic connecting rod 156 cooperates with the compression spring 157 and has a certain elasticity, when not subjected to external force, the two groups of positioning blocks 158 always keep the tendency of moving in opposite directions, and fix the positioning groove 153, when subjected to force, the positioning blocks 158 move outward and are separated from the positioning groove 153, the positioning blocks 158 can be connected with or separated from the positioning groove 153, the quick assembly and disassembly of the connecting shaft 152 and the fixed ring 151 are realized, different sizes of the connecting shaft 152 can be replaced conveniently, and different sizes of the door hanger wheel 12 can be tested conveniently.

[0028] Preferably, the inner wall of the through hole arranged on the fixed beam 11 is connected with a bearing, and the bearing is rotationally connected with the connecting shaft 152.

[0029] Embodiment 2:

[0030] Referring to Fig. 3 The difference between this embodiment and the first embodiment is that the connecting position between the circular groove 154 and the two groups of arc-shaped sliding blocks 155 is coated with lubricating oil, the lubricating oil plays a lubricating role, improves the smoothness of the connecting shaft 152 when rotating, and improves the smoothness of the door hanger wheel 12 when testing.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An elevator door hanger wheel wear testing device comprising a test stand (1), characterized in that: The test platform (1) is provided with a fixed platform (13), the driving motor (14) is installed on the fixed platform (13), and the output end of the driving motor (14) is connected with the test wheel (5) through the rotating shaft, and the test platform (1) is also provided with a support frame (3), the support frame (3) is provided with a bearing seat (4), and the bearing seat (4) is rotatably connected with the test wheel (5); Two groups of L-shaped frames (2) are installed on the test platform (1), and a fixed beam (11) is arranged between adjacent L-shaped frames (2), and the L-shaped frame (2) is provided with a lifting component for adjusting the height of the fixed beam (11); The rear side wall of the fixed beam (11) is provided with a mounting component (15), the mounting component (15) comprises two groups of supporting rods (150), the supporting rods (150) are provided with a fixed ring (151), the fixed ring (151) is provided with a connecting shaft (152), the front end of the connecting shaft (152) penetrates the fixed beam (11), the fixed beam (11) is provided with a through hole through which the connecting shaft (152) passes, the front end of the connecting shaft (152) is connected with a door hanging wheel (12), the outer wall of the connecting shaft (152) is provided with two groups of positioning grooves (153), and the fixed ring (151) is provided with two groups of rotatably arranged telescopic connecting rods (156), each group of telescopic connecting rods (156) is provided with a positioning block (158) matched with the positioning groove (153).

2. The elevator door hanger wheel wear test device of claim 1, wherein: The lifting component comprises a speed reducer (6), the speed reducer (6) is located on the left L-shaped frame (2), and the output end of the speed reducer (6) is connected with a lead screw (7), the lead screw (7) is threadedly connected with a threaded seat (8), and the threaded seat (8) is fixedly connected with the outer wall of the fixed beam (11).

3. The elevator door hanger wheel wear test apparatus of claim 1, wherein: A vertical rod (9) is installed between the right L-shaped frame (2) and the test platform (1), and a sliding block (10) is slidably connected with the vertical rod (9), and the sliding block (10) is fixedly connected with the outer wall of the fixed beam (11).

4. The elevator door hanger wheel wear test apparatus of claim 1, wherein: The inner wall of the fixed ring (151) is also provided with a circular groove (154), and two groups of arc-shaped sliding blocks (155) are rotatably and slidably connected in the circular groove (154), and the outer walls of the two groups of arc-shaped sliding blocks (155) are connected with the two groups of telescopic connecting rods (156) respectively.

5. The elevator door hanger wheel wear test apparatus of claim 4, wherein: The outer walls of the two groups of telescopic connecting rods (156) are sleeved with compression springs (157), and the compression springs (157) are located between the arc-shaped sliding blocks (155) and the positioning blocks (158).

6. The elevator door hanger wheel wear test apparatus of claim 1, wherein: The through hole in the fixed beam (11) is connected with a bearing, and the bearing is rotatably connected with the connecting shaft (152).

7. The elevator door hanger wheel wear test apparatus of claim 4, wherein: The connecting part of the circular groove (154) and the two groups of arc-shaped sliding blocks (155) is coated with lubricating oil.

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