WO2021253842A1

WO2021253842A1 - Adhesive strength rapid test apparatus for elevator car bottom damping pad

Info

Publication number: WO2021253842A1
Application number: PCT/CN2021/075530
Authority: WO
Inventors: 张立; 王天国
Original assignee: 南通迅达橡塑制造有限公司
Priority date: 2020-06-16
Filing date: 2021-02-05
Publication date: 2021-12-23
Also published as: CN111721699A

Abstract

An adhesive strength rapid test apparatus for an elevator car bottom damping pad, comprising a base (1), a casing body (2) being bolted to the top of the base (1), a fixed seat (3) being bolted at a center part of the top of the base (1), a damping pad main body (4) being arranged at the top of the fixed seat (3), fixed plates (5) being bolted at the top of the base (1), the fixed plates (5) being respectively located at the left and right sides of the fixed seat (3), and clamping mechanisms (6) being arranged at the top of the fixed plates (5). By means of the provision of the fixed seat (3), the clamping mechanisms (6), a drive mechanism (8), a threaded rod (11), a tensile force sensor (13), a buffer mechanism (14), and a connection plate (15), the present invention has the advantages of being able to perform clamping on the damping pad, preventing the damping pad from falling out, lowering the work difficulty for test personnel, and consequently able to improve adhesive strength test efficiency, solving the problems where currently used test apparatuses are singular in function, are unable to perform fixing on the damping pad, and cause the damping pad to be prone to falling out, affecting damping pad adhesive strength test efficiency.

Description

Fast detection device for bonding strength of damping pad of elevator car bottom

Technical field

The patent of the invention relates to the technical field of detection devices, in particular to a fast detection device for the bonding strength of an elevator car bottom shock-absorbing cushion.

Background technique

Elevator is a kind of special equipment used in buildings to mainly provide lifting function. The elevator car structure is composed of car bottom, car wall and car top. The car fixing frame is fixed on the outside of the car space. The car fixing frame is supported on the bottom of the car bottom and connected and fixed to each other. The car fixing frame will be pulled by the traction device to realize the up and down movement of the elevator car. Since the elevator car directly carries the load, its internal The load will be unstable and unbalanced. If the elevator car is directly fixed on the car fixing frame, there will be greater vibration transmission, and it will affect the smooth operation of the elevator and the comfort of the passengers in the elevator. The existing elevator car bottom is generally installed with shock absorption pads to reduce the vibration generated by the elevator operation.

Adhesive strength is the stress required when the adhesive system is broken. The damping pad needs to be tested for the bonding strength when in use. The currently used detection device has a single function and cannot fix the damping pad, causing the damping pad to fall off easily. , Which affects the efficiency of the bonding strength detection of the shock-absorbing pad. For this reason, we propose a method that can clamp the shock-absorbing pad to prevent the shock-absorbing pad from falling off, reduce the work intensity of the inspector, and then improve the efficiency of the bonding strength detection Quick detection device to solve this problem.

Technical solutions

The purpose of the patent of the present invention is to provide a fast detection device for the bonding strength of the damping pad on the elevator car bottom, which can clamp the damping pad to prevent the damping pad from falling off, reduce the work strength of the inspector, and improve the bonding strength The advantage of detection efficiency solves the problem of the single function of the currently used detection device and the inability to fix the shock-absorbing pad, which causes the shock-absorbing pad to easily fall off, which affects the detection efficiency of the bonding strength of the shock-absorbing pad.

In order to achieve the above-mentioned object, the patent of the present invention provides the following technical solution: a device for quickly detecting the bonding strength of an elevator car bottom shock-absorbing pad includes a base, the top of the base is bolted with a shell, and the center of the top of the base is bolted with A fixed seat, the top of the fixed seat is provided with a shock-absorbing pad body, the top of the base is bolted with a fixed plate, and the fixed plates are respectively located on the left and right sides of the fixed seat, and the top of the fixed plate is provided with a clamping mechanism, A mounting frame is bolted to the center of the top of the housing, a driving mechanism is bolted to the top of the housing, the driving mechanism is located on the left side of the mounting frame, and the top of the mounting frame is embedded with a bearing seat, so The inside of the bearing seat is rotatably connected with a threaded sleeve, the threaded sleeve is provided with a threaded rod through the inside, and the threaded rod is threadedly connected with the inner wall of the threaded sleeve, the top of the housing is provided with a through hole, and the through hole is located in the mounting At the bottom of the frame, the bottom end of the threaded rod penetrates into the inner cavity of the housing, the bottom end of the threaded rod is bolted with a tension sensor, the bottom of the tension sensor is bolted with a buffer mechanism, and the bottom of the buffer mechanism A connecting plate is bolted, and the connecting plate and the shock-absorbing pad body are installed and fixed by bolts, and a detection mechanism is provided on the back of the housing.

Preferably, the clamping mechanism includes a top plate, a hydraulic rod and a clamping plate, the top plate is bolted to the top of the fixed plate, and the top plate is symmetrically distributed, the hydraulic rod is located on the top of the top plate and bolted to the top plate, and The hydraulic rod penetrates to the bottom of the top plate, the splint is bolted to the bottom end of the hydraulic rod, and the splint is tightly attached to the shock-absorbing pad body.

Preferably, the driving mechanism includes a motor, a driving wheel, a belt, and a driven wheel. The bottom of the motor is bolted to the housing, and the motor is located on the left side of the mounting frame. Indirectly bolted, the driven wheel is fixedly installed on the top of the threaded sleeve, the belt is sleeved on the surface of the driving wheel, and the driving wheel and the driven wheel are connected by a belt drive.

Preferably, the buffer mechanism includes a telescopic rod and a compression spring, the top of the telescopic rod is bolted to the tension sensor, the bottom end of the telescopic rod is bolted to the connecting plate, and the compression spring is sleeved on The surface of the telescopic rod, and the length of the compression spring is the same as the length of the telescopic rod.

Preferably, the detection mechanism includes a cylinder and a push plate, the cylinder is bolted to the middle position on the back of the housing, the piston rod of the cylinder penetrates into the inner cavity of the housing, and the push plate is bolted to the cylinder, And the push plate and the damping pad body are at the same level.

Preferably, the top of the housing is bolted with a controller, and the controller is located on the right side of the mounting frame, the front of the controller is fixedly installed with a display screen, and the bottom of the left side of the controller is provided with a transmission line, so The controller is electrically connected with the tension sensor through the transmission line.

Preferably, the opposite side of the fixing plate is provided with strip grooves, the number of the strip grooves is several, and the strip grooves are symmetrically distributed, and the side of the clamping plate close to the fixing plate is bolted with a slider , The sliding block is located inside the strip groove, and the sliding block is slidably connected with the inner wall of the strip groove.

Preferably, a protective door is hinged on the front of the housing, an observation window is opened on the surface of the protective door, and tempered glass is embedded in the interior of the observation window.

Preferably, the threaded rod extends above the driven wheel, the top of the threaded rod is bolted to a limiting plate, and the diameter of the limiting plate is larger than the diameter of the threaded sleeve.

Preferably, the inner diameter of the through hole is larger than the diameter of the threaded rod, and the threaded rod is located inside the through hole, and the threaded rod is in sliding connection with the mounting frame.

Beneficial effect

Compared with the prior art, the beneficial effects of the present invention patent are as follows:

The patent of the present invention can clamp the shock-absorbing pad through the arrangement of the fixing seat, the clamping mechanism, the driving mechanism, the threaded rod, the tension sensor, the buffer mechanism and the connecting plate, and prevent the shock-absorbing pad from falling off, reducing the work of the inspector. Strength, which in turn can improve the efficiency of bonding strength detection, solves the problem of the single function of the currently used detection device and the inability to fix the shock-absorbing pad, which causes the shock-absorbing pad to easily fall off, which affects the efficiency of the bonding strength detection of the shock-absorbing pad .

Description of the drawings

Figure 1 is a schematic cross-sectional view of the structure of the invention patent;

Figure 2 is a partial enlarged view of A in Figure 1 of the patent for the present invention;

Figure 3 is a partial enlarged view of B in Figure 1 of the patent of the invention;

Figure 4 is a right cross-sectional view of the partial structure of the invention patent;

Figure 5 is a three-dimensional schematic diagram of a partial structure of the patent of the invention;

Fig. 6 is a three-dimensional schematic diagram of the structure of the fixing seat of the patent of the present invention.

In the figure: 1. Base; 2. Housing; 3. Fixing seat; 4. Shock cushion body; 5. Fixing plate; 6. Clamping mechanism; 61. Top plate; 62. Hydraulic rod; 63. Splint; 7. Mounting frame; 8, driving mechanism; 81, motor; 82, driving wheel; 83, belt; 84, driven wheel; 9, bearing seat; 10, threaded sleeve; 11, threaded rod; 12, through hole; 13, tension sensor 14. Buffer mechanism; 141, telescopic rod; 142, compression spring; 15, connecting plate; 16, detection mechanism; 161, air cylinder; 162, push plate; 17, controller; 18, display screen; 19, transmission line; 20 , Strip groove; 21, slider; 22, protective door; 23, observation window; 24, limit plate.

Embodiments of the present invention

The following will clearly and completely describe the technical solutions in the embodiments of the patent of the present invention in conjunction with the accompanying drawings in the embodiments of the patent of the present invention. Obviously, the described embodiments are only a part of the embodiments of the patent of the present invention, rather than all implementations. example. Based on the embodiments in the patent of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the patent of the present invention.

Please refer to Figure 1-6, the fast detection device for the bonding strength of the elevator car bottom shock-absorbing pad, including the base 1, the top of the base 1 is bolted to the shell 2, and the center of the top of the base 1 is bolted to the fixing seat 3, the fixing seat 3 A shock-absorbing pad body 4 is provided on the top, a fixing plate 5 is bolted to the top of the base 1, and the fixing plates 5 are respectively located on the left and right sides of the fixing base 3, and the top of the fixing plate 5 is provided with a clamping mechanism 6, and a housing 2. A mounting frame 7 is bolted to the center of the top, and a driving mechanism 8 is bolted to the top of the housing 2. The driving mechanism 8 is located on the left side of the mounting frame 7, and the top of the mounting frame 7 is embedded with a bearing seat 9 and the bearing seat 9 A threaded sleeve 10 is rotatably connected inside the threaded sleeve 10, a threaded rod 11 is inserted through the inside of the threaded sleeve 10, and the threaded rod 11 is threadedly connected to the inner wall of the threaded sleeve 10. The top of the housing 2 is provided with a through hole 12, and the through hole 12 is located at At the bottom of the frame 7, the bottom end of the threaded rod 11 penetrates into the inner cavity of the housing 2, the bottom end of the threaded rod 11 is bolted with a tension sensor 13, the bottom of the tension sensor 13 is bolted with a buffer mechanism 14, and the bottom of the buffer mechanism 14 The connecting plate 15 is bolted, and the connecting plate 15 and the shock-absorbing pad body 4 are installed and fixed by bolts. The back of the housing 2 is provided with a detection mechanism 16 through the fixing seat 3, the clamping mechanism 6, the driving mechanism 8, and the threaded rod. 11. The arrangement of the tension sensor 13, the buffer mechanism 14 and the connecting plate 15 has the advantage of clamping the damping pad, preventing the damping pad from falling off, reducing the work intensity of the inspector, and improving the efficiency of bonding strength detection. This solves the problem that the currently used detection device has a single function and cannot fix the shock-absorbing pad, which causes the shock-absorbing pad to easily fall off, which affects the efficiency of detecting the bonding strength of the shock-absorbing pad.

In this embodiment, the clamping mechanism 6 includes a top plate 61, a hydraulic rod 62 and a clamping plate 63. The top plate 61 is bolted to the top of the fixed plate 5, and the top plate 61 is symmetrically distributed. The hydraulic rod 62 is located on the top of the top plate 61 and is connected to the top plate 61. The hydraulic rod 62 is bolted to the bottom of the top plate 61, the splint 63 is bolted to the bottom end of the hydraulic rod 62, and the splint 63 is closely attached to the shock-absorbing pad body 4 through the top plate 61 and the hydraulic rod 62 With the arrangement of the clamping plate 63, the shock-absorbing pad body 4 can be fixed to prevent detection errors.

In this embodiment, the driving mechanism 8 includes a motor 81, a driving wheel 82, a belt 83, and a driven wheel 84. The bottom of the motor 81 is bolted to the housing 2, and the motor 81 is located on the left side of the mounting frame 7, and the driving wheel 82 It is bolted to the output shaft of the motor 81, the driven wheel 84 is fixedly installed on the top of the threaded sleeve 10, the belt 83 is sleeved on the surface of the driving wheel 82, and the driving wheel 82 and the driven wheel 84 are connected in transmission through the belt 83, Through the arrangement of the motor 81, the driving wheel 82, the belt 83 and the driven wheel 84, the screw sleeve 10 can be driven to rotate, and the screw rod 11 can be controlled to rise and fall for bonding strength detection.

In this embodiment, the buffer mechanism 14 includes a telescopic rod 141 and a compression spring 142. The top of the telescopic rod 141 is bolted to the tension sensor 13, the bottom end of the telescopic rod 141 is bolted to the connecting plate 15, and the compression spring 142 sets It is arranged on the surface of the telescopic rod 141, and the length of the compression spring 142 is the same as the length of the telescopic rod 141. The arrangement of the telescopic rod 141 and the compression spring 142 can play a buffering role and prevent the tension sensor 13 from being crushed and damaged.

In this embodiment, the detection mechanism 16 includes a cylinder 161 and a push plate 162. The cylinder 161 is bolted to the middle position on the back of the housing 2, and the piston rod of the cylinder 161 penetrates into the inner cavity of the housing 2. The push plate 162 and the cylinder 161 They are bolted to each other, and the push plate 162 and the shock-absorbing pad body 4 are at the same level. Through the arrangement of the air cylinder 161 and the push plate 162, it is convenient to detect the bonding strength of the shock-absorbing pad from different directions.

In this embodiment, the top of the housing 2 is bolted to the controller 17, and the controller 17 is located on the right side of the mounting frame 7, the front of the controller 17 is fixedly installed with a display screen 18, and the bottom of the left side of the controller 17 is provided with The transmission line 19, the controller 17 is electrically connected to the tension sensor 13 through the transmission line 19, through the setting of the controller 17, the display screen 18 and the transmission line 19, the bonding strength of the shock-absorbing pad can be detected and recorded, avoiding the existence of manual recording The error.

In this embodiment, the opposite side of the fixing plate 5 is provided with strip grooves 20, the number of the strip grooves 20 is several, and the strip grooves 20 are symmetrically distributed, and the clamping plate 63 is bolted on one side close to the fixing plate 5 The slider 21, the slider 21 is located inside the strip groove 20, and the slider 21 is slidably connected to the inner wall of the strip groove 20. The arrangement of the strip groove 20 and the slider 21 can increase the stability of the movement of the splint 63, Prevent the position of the clamping plate 63 from shifting.

In this embodiment, the front of the housing 2 is hinged with a protective door 22, the surface of the protective door 22 is provided with an observation window 23, and the inside of the observation window 23 is embedded with tempered glass. The arrangement of the protective door 22 and the observation window 23 facilitates Observe the detection conditions of the shock-absorbing pads, while avoiding external factors from affecting the detection results.

In this embodiment, the threaded rod 11 extends above the driven wheel 84, and the top of the threaded rod 11 is bolted to the limiting plate 24. The diameter of the limiting plate 24 is larger than the diameter of the threaded sleeve 10. Through the setting of the limiting plate 24, Prevent the threaded rod 11 from separating from the threaded sleeve 10, and ensure that the threaded rod 11 can run stably for a long time.

In this embodiment, the inner diameter of the through hole 12 is greater than the diameter of the threaded rod 11, and the threaded rod 11 is located inside the through hole 12. The threaded rod 11 and the mounting frame 7 are slidingly connected. The above design prevents the threaded rod 11 from being threaded. The rotation of the sleeve 10 is helpful for measuring the bonding strength.

Working principle: When using, first put the shock-absorbing pad body 4 on the top of the fixed seat 3, control the hydraulic rods 62 on both sides to extend at the same time, and then the hydraulic rod 62 pushes the splint 63 to move downwards until the splint 63 and the shock-absorbing pad The metal part of the body 4 is attached to complete the clamping and fixing of the damping pad body 4, and then the motor 81 is started, and the motor 81 drives the driving wheel 82 to rotate, and then the driving wheel 82 rotates the driven wheel 84 through the belt 83, thereby making the thread The sleeve 10 and the driven wheel 84 rotate synchronously. Due to the threaded connection between the threaded rod 11 and the threaded sleeve 10, the threaded rod 11 will rise and fall in the vertical direction, and the connecting plate 15 is controlled to move downwards to contact the shock-absorbing pad body 4, compressing the spring 142 and the telescopic rod 141 are shortened by the force, thereby acting as a buffer to prevent damage to the tension sensor 13, and then bolting the connecting plate 15 and the shock-absorbing pad body 4 with bolts to control the motor 81 to rotate in the reverse direction. At this time, the thread The rod 11 moves upwards, so that the damping pad body 4 can be pulled upwards through the connecting plate 15, and then the bonding strength of the damping pad can be detected by the tension sensor 13. The detected data enters the controller 17 through the transmission line 19 and is recorded. When testing the bonding strength of the side surface of the shock absorber, the piston rod of the cylinder 161 is controlled to extend, and then the push plate 162 is driven to move. The push plate 162 pushes the shock absorber from the side until the shock absorber is peeled off. Intensity is tested.

Although the embodiments of the patent of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the patent of the present invention. , Substitutions and modifications, the scope of the patent of the present invention is defined by the appended claims and their equivalents.

Claims

The fast detection device for the bonding strength of the elevator car bottom shock-absorbing pad includes a base (1), characterized in that: the top of the base (1) is bolted with a shell (2), and the center of the top of the base (1) is A fixing seat (3) is bolted, the top of the fixing seat (3) is provided with a shock-absorbing pad body (4), the top of the base (1) is bolted with a fixing plate (5), and the fixing plate (5) They are respectively located on the left and right sides of the fixing seat (3), the top of the fixing plate (5) is provided with a clamping mechanism (6), and the center of the top of the casing (2) is bolted with a mounting frame (7), The top of the housing (2) is bolted with a driving mechanism (8), the driving mechanism (8) is located on the left side of the mounting frame (7), and the top of the mounting frame (7) is embedded with a bearing seat ( 9) A threaded sleeve (10) is rotatably connected to the inside of the bearing seat (9), a threaded rod (11) penetrates through the inside of the threaded sleeve (10), and the threaded rod (11) and the threaded sleeve (10) ) Threaded connection on the inner wall of the housing (2), the top of the housing (2) is provided with a through hole (12), and the through hole (12) is located at the bottom of the mounting frame (7), and the bottom end of the threaded rod (11) penetrates to In the inner cavity of the housing (2), the bottom end of the threaded rod (11) is bolted with a tension sensor (13), and the bottom of the tension sensor (13) is bolted with a buffer mechanism (14), the buffer mechanism A connecting plate (15) is bolted to the bottom of (14), and the connecting plate (15) and the shock-absorbing pad body (4) are installed and fixed by bolts. The back of the housing (2) is provided with a detection mechanism ( 16).
The fast detection device for the bonding strength of the elevator car bottom cushion cushion according to claim 1, characterized in that: the clamping mechanism (6) includes a top plate (61), a hydraulic rod (62) and a clamping plate (63), so The top plate (61) is bolted to the top of the fixed plate (5), and the top plate (61) is symmetrically distributed, and the hydraulic rod (62) is located on the top of the top plate (61) and bolted to the top plate (61), And the hydraulic rod (62) penetrates to the bottom of the top plate (61), the splint (63) is bolted to the bottom end of the hydraulic rod (62), and the splint (63) and the damping pad body (4) are closely attached to each other. combine.
The fast detecting device for the bonding strength of the elevator car bottom cushion cushion according to claim 1, characterized in that: the driving mechanism (8) includes a motor (81), a driving wheel (82), a belt (83) and a driven wheel (84), the bottom of the motor (81) and the housing (2) are bolted, and the motor (81) is located on the left side of the mounting frame (7), the driving wheel (82) and the motor (81) Bolted between the output shafts, the driven wheel (84) is fixedly mounted on the top of the threaded sleeve (10), the belt (83) is sleeved on the surface of the driving wheel (82), and the driving wheel (82) is connected to The driven wheels (84) are connected by a belt (83) in transmission.
The fast detection device for the bonding strength of the elevator car bottom shock-absorbing cushion according to claim 1, characterized in that: the buffer mechanism (14) comprises a telescopic rod (141) and a compression spring (142), and the telescopic rod (141) The top of) is bolted to the tension sensor (13), the bottom end of the telescopic rod (141) is bolted to the connecting plate (15), and the compression spring (142) is sleeved on the telescopic rod (141) And the length of the compression spring (142) is the same as the length of the telescopic rod (141).
The fast detection device for the bonding strength of the elevator car bottom shock-absorbing pad according to claim 1, wherein the detection mechanism (16) includes a cylinder (161) and a push plate (162), and the cylinder (161) bolts Is connected to the middle position on the back of the housing (2), and the piston rod of the cylinder (161) penetrates into the inner cavity of the housing (2), and the push plate (162) is bolted to the cylinder (161) and pushes The plate (162) and the shock-absorbing pad body (4) are at the same level.
The fast detection device for the bonding strength of the elevator car bottom shock-absorbing cushion according to claim 1, characterized in that: the top of the casing (2) is bolted with a controller (17), and the controller (17) is located in the installation On the right side of the frame (7), a display screen (18) is fixedly installed on the front of the controller (17), a transmission line (19) is arranged at the bottom of the left side of the controller (17), and the controller (17) ) Is electrically connected to the tension sensor (13) through the transmission line (19).
The fast detection device for the bonding strength of the elevator car bottom shock-absorbing cushion according to claim 2, characterized in that: the opposite side of the fixed plate (5) is provided with a strip groove (20), and the strip groove ( The number of 20) is several, and the strip-shaped grooves (20) are distributed symmetrically. The clamping plate (63) is bolted to a sliding block (21) on one side close to the fixing plate (5), and the sliding block (21) It is located inside the strip groove (20), and the sliding block (21) is slidably connected with the inner wall of the strip groove (20).
The fast detection device for the bonding strength of the elevator car bottom shock-absorbing cushion according to claim 1, characterized in that: a protective door (22) is hinged on the front of the housing (2), and the surface of the protective door (22) An observation window (23) is opened, and the inside of the observation window (23) is embedded with toughened glass.
The device for quickly detecting the bonding strength of the elevator car bottom shock-absorbing pad according to claim 3, characterized in that: the threaded rod (11) extends above the driven wheel (84), and the top of the threaded rod (11) The limit plate (24) is bolted, and the diameter of the limit plate (24) is larger than the diameter of the threaded sleeve (10).
The fast detection device for the bonding strength of the elevator car bottom shock-absorbing cushion according to claim 1, wherein the inner diameter of the through hole (12) is larger than the diameter of the threaded rod (11), and the threaded rod (11) is located in the through hole (12). Inside the hole (12), the threaded rod (11) is in sliding connection with the mounting frame (7).