Double-elevator anti-collision triggering device

Abstract

The invention discloses a double-elevator anti-collision triggering device, aims to overcome the defect that an anti-collision mechanism which is simple in structure and stable in effect is lacked in the prior art, and adopts the following technical scheme that the double-elevator anti-collision triggering device comprises an upper triggering swing rod and an upper lifting swing rod which are arranged on an upper elevator car; the upper triggering swing rod and the upper lifting swing rod rotate around respective rotating centers; the upper lifting swing rod is connected with the upper triggering swing rod through a transmission assembly; the upper lifting swing rod is connected with safety tongs of the upper lift car through an upper transmission piece. The lower lifting swing rod is arranged on the lower lift car, rotates around the rotating center of the lower lifting swing rod, and is connected with the safety tongs of the lower lift car through a lower transmission piece; the upper triggering piece triggers the upper lift car to achieve braking, and the lower triggering piece triggers the lower lift car to achieve braking. When the two lift cars are about to collide, the double-lift-car anti-collision triggering device can trigger the safety tongs of the two lift cars to conduct emergency braking, and the lift cars are prevented from colliding with each other.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-collision of twin elevators, and more specifically, to an anti-collision triggering device of twin elevators. Background Art

[0002] A twin elevator is an elevator system with two cars installed in the same shaft. The two cars can run up and down independently in the same shaft. In order to ensure that the two cars can run safely in the shaft without collision, the minimum allowable safe running distance between the two cars is usually set dynamically. The lower the relative running speed of the two cars, the smaller the minimum allowable safe distance. At the same time, the system will track and judge in real time. Once the safe distance between the two cars is less than the minimum allowable safe running distance at the set relative speed of the cars, the elevator will immediately implement the safety protection mode.

[0003] In the prior art, the safety protection mode of twin elevators is mainly realized by the electrical safety protection mode. When the safety protection mode fails, it is very likely that the twin elevators will collide with each other. The mechanical anti-collision mechanism has extremely strong stability and can serve as the last protection barrier to prevent the two cars in the twin elevator from colliding with each other when the electrical safety protection mode fails.

[0004] However, the prior art lacks an anti-collision mechanism with a simple structure and stable function, which can prevent two elevator cars from colliding with each other when the electrical safety protection mode fails. Summary of the invention

[0005] The present invention overcomes the deficiency of the prior art in that there is a lack of an anti-collision mechanism with a simple structure and stable action, and provides an anti-collision trigger device for a twin elevator, which can trigger the safety clamps of the two cars for emergency braking when the two cars are about to collide during the movement of the cars to prevent the cars from colliding with each other. In addition, the present application does not need to change the layout of the mechanical structure on the existing car, and the present invention can be directly installed to realize the function of mechanical anti-collision.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: a twin elevator anti-collision trigger device, the twin elevator includes an upper car and a lower car, the twin elevator anti-collision trigger device includes: An upper triggering swing rod and an upper lifting swing rod are arranged on the upper car, and the upper triggering swing rod and the upper lifting swing rod rotate around their respective rotation centers; the upper lifting swing rod is connected to the upper triggering swing rod through a transmission assembly; the upper lifting swing rod is connected to the safety clamp of the upper car through an upper transmission member; A lower lifting swing rod is arranged on the lower car, the lower lifting swing rod rotates around its rotation center, and the lower lifting swing rod is connected to the safety clamp of the lower car through the lower transmission member; An upper triggering member triggers the upper car to brake, and a lower triggering member triggers the lower car to brake.

[0007] Before the two cars collide in the shaft, the upper triggering member collides with the upper triggering swing rod, causing the upper triggering swing rod to rotate around the rotation center, and the upper triggering swing rod drives the upper lifting swing rod to rotate through the transmission assembly. When the upper lifting swing rod rotates, it drives the upper transmission member to move, so that the safety clamp on the upper car is braked, thereby braking the upper car. At the same time, the lower triggering member rotates with the lower lifting swing rod, and the lower lifting swing rod drives the safety clamp on the lower car to brake through the lower transmission member. Therefore, the upper car and the lower car can be braked at the same time, thereby preventing the electrical safety protection mode from failing when the upper car and the lower car are moving. The twin elevator anti-collision trigger device in this application can be used to brake the two cars, thereby effectively avoiding the collision between the two cars; and because it adopts a purely mechanical triggering method, it has the characteristics of simple structure and high stability.

[0008] Preferably, a first rotation center is provided at one end of the upper trigger swing rod, and an upper impact point is provided at the other end of the upper trigger swing rod and is connected to the transmission assembly; A second rotation center is arranged on the upper lifting swing rod, and the transmission assembly and the upper transmission member are arranged on the same side of the second rotation center.

[0009] When the elevator is in normal operation, the upper triggering swing arm and the upper lifting swing arm can both maintain their initial state. When the upper impact member collides with the upper impact point on the upper triggering swing arm, the balance of the upper triggering swing arm is broken, and the upper triggering swing arm will rotate around the first rotation center. The upper triggering swing arm will drive the upper lifting swing arm to rotate around the second rotation center through the transmission assembly, so that the upper lifting swing arm pulls the upper safety clamp through the upper transmission member, so that the brake blocks on the upper safety clamp are clamped on both sides of the track.

[0010] Preferably, the upper trigger swing rod is connected to a first spring, and the torque of the first spring on the upper trigger swing rod is opposite to the torque of the transmission assembly on the upper trigger swing rod, so that the upper trigger rod remains balanced; The upper lifting swing rod is connected with a second spring, and the torque of the second spring on the upper lifting swing rod is opposite to the torque of the transmission component acting on the upper lifting swing rod, so that the upper lifting swing rod maintains balance.

[0011] The torque of the first spring acting on the upper trigger pendulum and the torque of the transmission assembly acting on the upper trigger pendulum enable the upper trigger pendulum to maintain balance. The torque of the second spring acting on the upper lift pendulum and the torque of the transmission assembly acting on the upper lift pendulum enable the upper lift pendulum to maintain balance.

[0012] Preferably, one end of the upper trigger swing rod is connected to the transmission assembly, and the other end of the upper trigger swing rod is provided with an upper impact point; a first rotation center is provided between the upper impact point of the upper trigger swing rod and the transmission assembly; The upper lifting swing rod is provided with a second rotation center, and the transmission assembly and the upper transmission member are arranged on both sides of the second rotation center.

[0013] The use of the first spring and the second spring can be omitted, making it convenient to debug the equipment during installation.

[0014] Preferably, the trigger rocker arm is connected to a third spring and a fourth spring, and the third spring and the fourth spring exert opposite torques on the upper trigger rocker arm, so that the upper trigger rocker arm maintains balance.

[0015] The third spring and the fourth spring are arranged on both sides of the upper trigger swing rod, and the elastic coefficients of the third spring and the fourth spring are equal, so as to improve the stability of the upper trigger swing rod, so that the upper trigger swing rod can be kept in a balanced position when the car is operating normally.

[0016] Preferably, the transmission assembly includes a transmission rope and a rope loop arranged outside the transmission rope; the two ends of the transmission rope are respectively connected to the upper triggering swing rod and the upper pulling swing rod.

[0017] The transmission rope cooperates with the rope loop, and the structure of the rope loop can be designed according to actual conditions to facilitate the transmission of force.

[0018] Preferably, the upper trigger member and the lower trigger member are long rods; the upper trigger member is arranged on the top of the lower car; and the lower trigger member is arranged on the top of the upper car.

[0019] When the elevators collide with each other, the upper trigger member hits the upper impact point to realize the swing of the upper trigger swing rod; the lower trigger member hits the lower trigger point to realize the swing of the upper pull swing rod.

[0020] Preferably, the upper trigger member and the lower trigger member are long rods; the upper trigger member is fixedly connected to the upper trigger swing rod; and the lower trigger member is fixedly connected to the lower pull swing rod.

[0021] The upper trigger member is connected to the upper trigger rocker arm, so that when an impact occurs, the impact force can be directly applied to the upper trigger rocker arm through the upper trigger member, and the structure is more stable; similarly, the lower trigger member is connected to the lower lifting rocker arm, and the force can also be directly applied to the lower lifting rocker arm.

[0022] Preferably, a buffer device abutting against the lower trigger member and the upper trigger member is provided on the upper car and the lower car; the buffer device includes a buffer cavity, a buffer rod and a buffer elastic member; a buffer head sliding in the buffer cavity is provided at one end of the buffer rod, and the buffer elastic member abuts between the buffer head and the bottom of the buffer cavity.

[0023] When the upper car and the lower car collide, the upper trigger member and the lower trigger member can abut against the end (abutment groove) of the buffer rod, so that the buffer head overcomes the elastic force of the buffer elastic member and moves in the buffer cavity to play a buffering role.

[0024] Preferably, one of the upper car and the lower car is provided with a striker, and the other one is provided with a buffer; the upper trigger member and the lower trigger member are triggered before the buffer.

[0025] When the two cars are about to touch, the buffer hits the building plate, serving as a buffer in the final stage of the collision.

[0026] Compared with the prior art, the present invention has the following beneficial effects: (1) It is possible to achieve simultaneous braking of the upper car and the lower car, thereby preventing the electrical safety protection mode from failing when the upper car and the lower car are in motion. The twin elevator anti-collision trigger device of the present application can be used to brake the two cars, thereby effectively avoiding a collision between the two cars. Moreover, since it is triggered purely mechanically, it has the characteristics of simple structure and high stability.

[0027] (2) The present application can be improved on the basis of the safety clamp synchronization device in the prior art, and it is only necessary to set a lower pull swing rod, a transmission assembly, a first spring, and a second spring in the present application. The layout of the mechanical structure on the existing car can be maintained without changing, and the present invention can be directly installed to achieve the function of mechanical anti-collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structures in Embodiment 1 and Embodiment 2 of the present invention.

[0029] Figure 2 yes Figure 1 A partial enlarged view of area A in FIG.

[0030] Figure 3 It is a structural schematic diagram of the safety clamp synchronization device of the present invention.

[0031] Figure 4 It is a schematic diagram of the structure in Example 3 of the present invention.

[0032] Figure 5 It is a schematic diagram of the structures in Embodiment 3 and Embodiment 4 of the present invention.

[0033] Figure 6 It is a schematic diagram of the structure in Example 5 of the present invention.

[0034] In the figure: 1. Upper car, 11. Upper safety clamp, 2. Get off the car; 3. upper triggering swing rod, 301. first rotation center, 302. upper impact point, 303. first spring, 304. third spring, 305. fourth spring, 31. upper lifting swing rod, 311. second rotation center, 312. second spring, 32. upper transmission member, 33. upper triggering member; 4. Transmission assembly, 41. Transmission rope, 42. Rope loop, 5. lower lifting swing rod, 51. lower transmission member, 52. lower trigger member, 53. third rotation center, 54. lower impact point, 6. Safety clamp synchronization device, 61. Synchronous pull rod, 611. Abutment ring, 62. First shaft, 63. Second shaft, 631. Shaft hole, 64. Central rotating shaft, 65. Spring baffle, 66. Reset spring, 67. Adjustment nut; 7. Buffer device, 71. Buffer cavity, 72. Buffer rod, 721. Buffer head, 722. Abutment groove, 73. Buffer elastic member; 8. Weight, 81. Suspension rope, 82. Strike plate, 83. Buffer. DETAILED DESCRIPTION

[0035] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings: Example 1: Reference Figures 1 to 6 As shown, a twin elevator anti-collision trigger device, the twin elevator includes an upper car 1 and a lower car 2, and the twin elevator anti-collision trigger device includes: The upper triggering swing rod 3 and the upper lifting swing rod 31 are arranged on the upper car 1, and the upper triggering swing rod 3 and the upper lifting swing rod 31 rotate around their respective rotation centers; the upper lifting swing rod 31 is connected to the upper triggering swing rod 3 through a transmission assembly 4; the upper lifting swing rod 31 is connected to the safety clamp of the upper car 1 through an upper transmission member 32; A lower lifting swing rod 5 is arranged on the lower car 2, the lower lifting swing rod 5 rotates around its rotation center, and the lower lifting swing rod 5 is connected to the safety clamp of the lower car 2 through a lower transmission member 51; The upper triggering member 33 triggers the upper car 1 to brake, and the lower triggering member 52 triggers the lower car 2 to brake.

[0036] In the present invention, before the two cars collide in the hoistway, the upper trigger member 33 collides with the upper trigger swing rod 3, causing the upper trigger swing rod 3 to rotate around the rotation center, and the upper trigger swing rod 3 drives the upper lifting swing rod 31 to rotate through the transmission assembly 4, and the upper lifting swing rod 31 drives the upper transmission member 32 to move when rotating, so that the safety clamp on the upper car 1 is braked, thereby braking the upper car 1. At the same time, the lower trigger member 52 rotates with the lower lifting swing rod 5, and the lower lifting swing rod 5 drives the safety clamp on the lower car 2 to brake through the lower transmission member 51.

[0037] Therefore, the upper car 1 and the lower car 2 can be braked simultaneously, so as to prevent the failure of the electrical safety protection mode when the upper car 1 and the lower car 2 are in motion. The twin elevator anti-collision trigger device in the present application can be used to brake the two cars, so as to effectively avoid the collision between the two cars. And because it adopts a purely mechanical triggering method, it has the characteristics of simple structure and high stability.

[0038] Example 2: Figure 1 , Figure 2 , Figure 3 As shown, a twin elevator anti-collision trigger device, the twin elevator includes an upper car 1 and a lower car 2, and the twin elevator anti-collision trigger device includes: The upper triggering swing rod 3 and the upper lifting swing rod 31 are arranged on the upper car 1, and the upper triggering swing rod 3 and the upper lifting swing rod 31 rotate around their respective rotation centers; the upper lifting swing rod 31 is connected to the upper triggering swing rod 3 through a transmission assembly 4; the upper lifting swing rod 31 is connected to the safety clamp of the upper car 1 through an upper transmission member 32; A lower lifting swing rod 5 is arranged on the lower car 2, the lower lifting swing rod 5 rotates around its rotation center, and the lower lifting swing rod 5 is connected to the safety clamp of the lower car 2 through a lower transmission member 51; The upper trigger member 33 is triggered to brake the upper car 1, and the upper trigger member 33 realizes the rotation of the upper trigger swing rod 3; the lower trigger member 52 is triggered to brake the lower car 2, and the lower trigger member 52 realizes the swing of the lower lifting swing rod 5.

[0039] For the convenience of description, the safety clamp provided on the upper car 1 is the upper safety clamp 11, and similarly, the safety clamp provided on the lower car 2 is the lower safety clamp. A slide rail is provided in the hoistway, and both the upper safety clamp 11 and the lower safety clamp slide along the slide rail. When an emergency situation requires braking, the brake blocks on the upper safety clamp 11 and the lower safety clamp are clamped on the rail to achieve braking of the upper car 1 and the lower car 2.

[0040] In one embodiment, one end of the upper trigger swing rod 3 rotates around the first rotation axis, so that the upper trigger rod rotates around the first rotation axis to form a first rotation center 301, and the other end of the upper trigger swing rod 3 is provided with an upper impact point 302, and is connected to the transmission assembly 4 at the position of the upper impact point 302; A second rotation center 311 is set on the upper lifting swing rod 31. The upper lifting swing rod 31 rotates around the second rotation axis, so that the upper lifting swing rod 31 rotates around the second rotation axis to form the second rotation center 311. The transmission assembly 4 and the upper transmission member 32 are set on the same side of the second rotation center 311.

[0041] In one embodiment, in order to enable the upper triggering swing rod 3 and the upper lifting swing rod 31 to maintain the initial state when the elevator is operating normally, the upper triggering swing rod 3 is connected to the first spring 303, and the torque of the first spring 303 on the upper triggering swing rod 3 is opposite to the torque of the transmission assembly 4 on the upper triggering swing rod 3, so that the upper triggering swing rod 3 maintains balance. In other words, the torque of the first spring 303 acting on the upper triggering swing rod 3 and the torque of the transmission assembly 4 acting on the upper triggering swing rod 3 enable the upper triggering swing rod 3 to maintain balance.

[0042] The upper lifting swing rod 31 is connected to the second spring 312, and the torque of the second spring 312 on the upper lifting swing rod 31 is opposite to the torque of the transmission assembly 4 on the upper lifting swing rod 31, so that the upper lifting swing rod 31 is balanced. In other words, the torque of the second spring 312 on the upper lifting swing rod 31 and the torque of the transmission assembly 4 on the upper lifting swing rod 31 make the upper lifting swing rod 31 balanced.

[0043] Therefore, under the normal operation of the elevator, the upper trigger rocker arm 3 and the upper lifting rocker arm 31 can maintain their initial state. When the upper impact member collides with the upper impact point 302 on the upper trigger rocker arm 3, the balance of the upper trigger rocker arm 3 is broken, and the upper trigger rocker arm 3 will rotate around the first rotation center 301. The upper trigger rocker arm 3 will drive the upper lifting rocker arm 31 to rotate around the second rotation center 311 through the transmission assembly 4, so that the upper lifting rocker arm 31 pulls the upper safety clamp 11 through the upper transmission member 32, so that the brake blocks on the upper safety clamp 11 are clamped on both sides of the track.

[0044] In one embodiment, the lower lifting swing rod 5 rotates around the third rotation axis, so that the lower lifting swing rod 5 rotates around the third rotation center 53 formed by the third rotation axis. One end of the lower lifting swing rod 5 is connected to the lower transmission member 51, and the other end of the lower lifting swing rod 5 is provided with a lower impact point 54, that is, the third rotation center 53 is provided between the lower impact point 54 and the lower transmission member 51.

[0045] When the lower impact member collides with the lower impact point 54, the lower lifting rocker arm 5 can rotate around the third rotation center 53, so that the lower impact point 54 rotates downward, and the lower transmission member 51 rotates upward, so that the lower transmission member 51 moves upward, and the lower transmission member 51 pulls the brake block of the lower safety clamp, and the brake block of the lower safety clamp is clamped on the track to achieve braking of the lower car 2.

[0046] The upper transmission member 32 and the lower transmission member 51 can be configured to be rope-shaped or rod-shaped. In this embodiment, the upper transmission member 32 and the lower transmission member 51 are both configured to be long rods.

[0047] In one embodiment, the transmission assembly 4 includes a transmission rope 41 and a rope loop 42 sleeved outside the transmission rope 41; two ends of the transmission rope 41 are respectively connected to the upper trigger swing rod 3 and the upper pull swing rod 31.

[0048] In one embodiment, in order to improve the braking effect of the upper car 1 , two upper safety clamps 11 are provided on both sides of the upper car 1 , and two lower safety clamps are provided on both sides of the lower car 2 .

[0049] In one embodiment, the upper trigger member 33 and the lower trigger member 52 are long rods; the upper trigger member 33 is arranged on the top of the lower car 2; the lower trigger member 52 is arranged on the top of the upper car 1. When the elevators collide with each other, the upper trigger member 33 hits the upper impact point 302, and the lower trigger member 52 hits the lower trigger point; because the upper trigger member 33 and the lower trigger member 52 are long rods, the upper impact point 302 and the lower impact point 54 are set as circular grooves that match the ends of the long rods, so that when a collision occurs, the upper trigger member 33 and the lower trigger member 52 stably collide with the upper impact point 302 and the lower impact point 54.

[0050] In order to achieve synchronous braking of the two upper safety clamps 11 on the upper car 1 and synchronous braking of the two lower safety clamps on the lower car 2 , safety clamp synchronization devices 6 are provided on both the upper car 1 and the lower car 2 .

[0051] like Figure 3 As shown, the safety clamp synchronization device 6 includes: a synchronization rod 61 and shaft assemblies respectively arranged at both ends of the synchronization rod 61. The synchronization rod 61 is tiltedly arranged on the top of the upper car 1 (lower car 2), and the shaft assemblies at both ends are respectively connected to the upper transmission member 32 (lower transmission member 51) of the upper safety clamp 11 (lower safety clamp) on both sides of the upper car 1 (lower car 2); the shaft assemblies at both ends have the same structure.

[0052] The shaft assemblies at both ends include a first shaft 62 and a second shaft 63; the first shaft 62 and the second shaft 63 are both fixedly connected to a central rotating shaft 64, the central rotating shaft 64 is arranged on the upper car 1 (lower car 2), and the central rotating shaft 64 can rotate freely, and the first shaft 62 and the second shaft 63 cooperate to form an "L"-shaped structure through the central rotating shaft 64. The end of the first shaft 62 away from the second shaft 63 is rotatably connected to the synchronous pull rod 61; the end of the second shaft 63 away from the first shaft 62 is connected to the upper transmission member 32 (lower transmission member 51).

[0053] In this embodiment, in order to make the structure more reasonable and convenient for layout, an axial hole 631 is provided on the second shaft 63, and the second shaft 63 and the upper lifting rocker arm 31 of the upper car 1 are the same component; one end of the second spring 312 is connected to the upper car 1, and the other end of the second spring 312 is connected to the axial hole 631; the end of the transmission rope 41 is connected to the axial hole 631.

[0054] When the second spring 312 pulls the second shaft 63 to rotate around the central rotating shaft 64, the second shaft 63 pulls the upper transmission member 32 (lower transmission member 51) on the upper safety clamp 11 (lower safety clamp) on one side to achieve braking; at the same time, the first rotating shaft is driven to rotate through the central rotating shaft 64, and the first rotating shaft rotates to pull the synchronous pull rod 61, so that the synchronous pull rod 61 pulls the second shaft 63 on the other side, and the second shaft 63 on the other side rotates around the central rotating shaft 64 on the other side, so that the first rotating shaft on the other side rotates, thereby driving the upper safety clamp 11 (lower safety clamp) of the upper transmission member 32 (lower transmission member 51) on the other side to achieve braking.

[0055] A spring baffle 65 is provided on the upper car 1 (lower car 2), a synchronous rod 61 is passed through the spring baffle 65, and a contact ring 611 is provided on the synchronous rod 61; a return spring 66 is sleeved on the synchronous rod 61, and both ends of the return spring 66 are respectively in contact with the contact ring 611 and the spring baffle 65. At the same time, an adjusting nut 67 capable of adjusting the length of the synchronous rod 61 is provided.

[0056] The reset spring 66 can push the abutment ring 611 so that the synchronization rod 61 remains reset and the synchronization rod 61 remains in the initial state.

[0057] As shown in the figure, the upper lifting rocker arm 31 of the upper car 1 and the second shaft 63 in the safety clamp synchronization device 6 in which it is located are the same component, that is, the central rotating shaft 64 is the same as the second rotation center 311; and the lower lifting rocker arm 5 on the lower car 2 and the second shaft 63 in the safety clamp synchronization device 6 in which it is located are the same component, that is, the central rotating shaft 64 is the same as the third rotation center 53.

[0058] Therefore, the present application can be improved on the basis of the safety clamp synchronization device 6 in the prior art, and it is only necessary to set the lower lifting rocker 5, the transmission assembly 4, the first spring 303, and the second spring 312 in the present application.

[0059] The working principle of this embodiment is as follows: when the two upper cars 1 and the lower car 2 move toward each other, before the collision occurs, after the upper impact member collides with the upper impact point 302 on the upper trigger rocker 3, the balance of the upper trigger rocker 3 is broken, and the upper trigger rocker 3 will rotate around the first rotation center 301, and the upper trigger rocker 3 will drive the upper lifting rocker 31 to rotate around the second rotation center 311 through the transmission rope 41, so that the upper lifting rocker 31 pulls the upper safety clamp 11 through the upper transmission member 32, so that the brake blocks on the upper safety clamp 11 are clamped on both sides of the track.

[0060] At the same time, the lower trigger member 52 collides with the lower lifting swing rod 5. When the lower impact member collides with the lower impact point 54, the lower lifting swing rod 5 can rotate around the third rotation center 53, so that the lower impact point 54 rotates downward, and the lower transmission member 51 rotates upward, so that the lower transmission member 51 moves upward, and the lower transmission member 51 pulls the brake block of the lower safety clamp, and the brake block of the lower safety clamp is clamped on the track to achieve braking of the lower car 2.

[0061] Therefore, the upper car 1 and the lower car 2 can be braked simultaneously, so as to prevent the failure of the electrical safety protection mode when the upper car 1 and the lower car 2 are in motion. The twin elevator anti-collision trigger device in the present application can be used to brake the two cars, so as to effectively avoid the collision between the two cars. And because it adopts a purely mechanical triggering method, it has the characteristics of simple structure and high stability.

[0062] In addition, the present application can be improved on the basis of the safety clamp synchronization device 6 in the prior art, and it is only necessary to set the lower pull swing rod 5, the transmission assembly 4, the first spring 303, and the second spring 312 in the present application. The layout of the mechanical structure on the existing car can be maintained, and the present invention can be directly installed to achieve the function of mechanical anti-collision.

[0063] Example 3: Figure 4 As shown, the structure of this embodiment is similar to that of Embodiment 2, except that in Embodiment 1, the upper trigger rocker arm 3 and the upper lifting rocker arm 31 are mainly controlled by the first spring 303 and the second spring 312 to achieve balance. This method uses springs to achieve fixation, but when debugging the equipment, the difference in the elongation of the spring and the elastic coefficient makes the debugging process of the equipment very complicated.

[0064] Therefore, in order to simplify the debugging process of the device, the first spring 303 and the second spring 312 are omitted in this embodiment.

[0065] Specifically, one end of the upper triggering swing rod 3 is connected to the transmission assembly 4, and the other end of the upper triggering swing rod 3 is provided with an upper impact point 302; a first rotation center 301 is provided between the upper impact point 302 of the upper triggering swing rod 3 and the transmission assembly 4; one end of the upper triggering swing rod 3 rotates around the first rotation axis, so that the upper triggering rod rotates around the first rotation axis to form the first rotation center 301. In other words, the upper impact point 302 and the transmission assembly 4 are connected on both sides of the upper first rotation center 301.

[0066] The upper lifting swing rod 31 is provided with a second rotation center 311 , and the upper lifting swing rod 31 rotates around the second rotation axis so that the upper lifting swing rod 31 rotates around the second rotation axis to form the second rotation center 311 , and the transmission assembly 4 and the upper transmission member 32 are arranged on both sides of the second rotation center 311 .

[0067] In this embodiment, the first spring 303 and the second spring 312 can be omitted, which facilitates debugging of the device during installation.

[0068] In one embodiment, in order to improve the stability of the device, the upper triggering swing rod 3 is connected to the third spring 304 and the fourth spring 305. The third spring 304 and the fourth spring 305 act on the upper triggering swing rod 3 with opposite torques, and the upper triggering swing rod 3 maintains balance. The third spring 304 and the fourth spring 305 are arranged on both sides of the upper triggering swing rod 3, thereby improving the stability of the upper triggering swing rod 3, so that when the car is operating normally, the upper triggering swing rod 3 can be kept in a balanced position.

[0069] Example 4: Figure 5 As shown, the structure of this embodiment is similar to that of Embodiment 3, except that the upper trigger member 33 is fixedly connected to the upper trigger rocker rod 3 ; and the lower trigger member 52 is fixedly connected to the lower lifting rocker rod 5 .

[0070] The upper car 1 and the lower car 2 are provided with a buffer device 7 that abuts against the lower trigger member 52 and the upper trigger member 33; the buffer device 7 includes a buffer cavity 71, a buffer rod 72 and a buffer elastic member 73, and the buffer elastic member 73 is a spring. A buffer head 721 that slides in the buffer cavity 71 is provided at one end of the buffer rod 72, and the buffer elastic member 73 abuts between the buffer head 721 and the bottom of the buffer cavity 71. An abutment groove 722 is provided at the end of the buffer rod 72 away from the buffer head 721, and the abutment groove 722 facilitates the upper trigger member 33 and the lower trigger member 52 to abut in the abutment groove 722 when the car collides.

[0071] When the upper car 1 and the lower car 2 collide, the upper trigger member 33 and the lower trigger member 52 can abut against the end of the buffer rod 72 (the abutment groove 722), so that the buffer head 721 overcomes the elastic force of the buffer elastic member 73 and moves in the buffer cavity 71 to play a buffering role.

[0072] In addition, the buffer rod 72 is foldable. When the car is inspected and maintained, the buffer rod 72 can be folded 90 degrees to prevent the upper triggering swing rod 3 and the lower pulling swing rod 5 from being accidentally triggered during the inspection and maintenance.

[0073] Example 5: Figure 6 As shown, the structure of this embodiment is similar to that of the embodiment 4, a weight block 8 is hung at the end of the upper trigger member 33, and the weight block 8 is connected by a suspension rope 81. A first spring 303 is arranged on the upper trigger swing rod 3; the upper trigger swing rod 3 maintains balance under the action of the first spring 303, the gravity of the weight block 8 and the tension of the transmission rope 41.

[0074] When the weight block 8 abuts against the lower car 2, the distance between the weight block 8 and the lower trigger member 52 is a buffer distance, so that the weight block 8 hits the lower trigger member 52 first before the lower car 2 hits the lower trigger member 52, thereby playing a buffering role.

[0075] In one embodiment, the suspension rope 81 can be an elastic rope made of rubber. During the impact, as the weight rises, the elastic force of the elastic rope gradually decreases, so that the lower trigger swing arm 3 gradually rotates, preventing damage to the pull rope 41 due to excessive acceleration caused by sudden impact, and playing a good buffering role.

[0076] Example 6: Reference Figures 1 to 6 As shown, the structure of this embodiment is similar to that of Embodiment 1, Embodiment 2, Embodiment 3, Embodiment 4, and Embodiment 5, except that one of the upper car 1 and the lower car 2 is provided with a striker 82, and the other is provided with a buffer 83; the upper trigger member 33 and the lower trigger member 52 are triggered before the buffer 83. The buffer 83 is in the shape of a long rod.

[0077] This makes it possible for the buffer 83 to impact on the building plate when the two cars are about to touch each other, serving as a buffering function in the final stage of the impact.

[0078] Example 7: Reference Figures 1 to 6 As shown, the structure of this embodiment is similar to that of Embodiment 1, Embodiment 2, Embodiment 3, Embodiment 4, and Embodiment 5, except that the upper trigger member 33, the lower trigger member 52, and the buffer rod 72 are all telescopic rods, and the trigger position during impact can be adjusted by adjusting the length of the upper trigger member 33 and the lower trigger member 52.

[0079] The above-described embodiments are only preferred solutions of the present invention and are not intended to limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A twin elevator anti-collision trigger device, the twin elevator includes an upper car and a lower car, characterized in that: The twin elevator anti-collision trigger device includes: An upper triggering swing rod and an upper lifting swing rod are arranged on the upper car, and the upper triggering swing rod and the upper lifting swing rod rotate around their respective rotation centers; the upper lifting swing rod is connected to the upper triggering swing rod through a transmission assembly; the upper lifting swing rod is connected to the safety clamp of the upper car through an upper transmission member; A lower lifting swing rod is arranged on the lower car, the lower lifting swing rod rotates around its rotation center, and the lower lifting swing rod is connected to the safety clamp of the lower car through the lower transmission member; An upper triggering member triggers the upper car to brake, and a lower triggering member triggers the lower car to brake.

2. The twin elevator anti-collision triggering device according to claim 1 is characterized in that: A first rotation center is arranged at one end of the upper trigger swing rod, and an upper impact point is arranged at the other end of the upper trigger swing rod, and is connected to the transmission assembly; A second rotation center is arranged on the upper lifting swing rod, and the transmission assembly and the upper transmission member are arranged on the same side of the second rotation center.

3. The twin elevator anti-collision triggering device according to claim 2 is characterized in that: The upper trigger swing rod is connected to a first spring, and the torque of the first spring on the upper trigger swing rod is opposite to the torque of the transmission assembly on the upper trigger swing rod, so that the upper trigger rod remains balanced; The upper lifting swing rod is connected with a second spring, and the torque of the second spring on the upper lifting swing rod is opposite to the torque of the transmission component acting on the upper lifting swing rod, so that the upper lifting swing rod maintains balance.

4. The twin elevator anti-collision triggering device according to claim 1 is characterized in that: One end of the upper trigger swing rod is connected to the transmission assembly, and the other end of the upper trigger swing rod is provided with an upper impact point; a first rotation center is provided between the upper impact point of the upper trigger swing rod and the transmission assembly; The upper lifting swing rod is provided with a second rotation center, and the transmission assembly and the upper transmission member are arranged on both sides of the second rotation center.

5. The twin elevator anti-collision triggering device according to claim 4 is characterized in that: The upper trigger swing rod is connected with a third spring and a fourth spring. The third spring and the fourth spring exert opposite moments on the upper trigger swing rod, so that the upper trigger swing rod keeps balance.

6. The twin elevator anti-collision triggering device according to any one of claims 1 to 5, characterized in that: The transmission assembly comprises a transmission rope and a rope loop sleeved outside the transmission rope; two ends of the transmission rope are respectively connected with the upper trigger swing rod and the upper pull swing rod.

7. The twin elevator anti-collision triggering device according to claim 2 or 3, characterized in that: The upper trigger member and the lower trigger member are long rods; the upper trigger member is arranged on the top of the lower car; and the lower trigger member is arranged on the top of the upper car.

8. The twin elevator anti-collision triggering device according to claim 4 or 5, characterized in that: The upper trigger member and the lower trigger member are long rods; the upper trigger member is fixedly connected to the upper trigger swing rod; and the lower trigger member is fixedly connected to the lower pull swing rod.

9. The twin elevator anti-collision triggering device according to claim 8 is characterized in that: The upper car and the lower car are provided with a buffer device which abuts against the lower trigger member and the upper trigger member; the buffer device includes a buffer cavity, a buffer rod and a buffer elastic member; a buffer head which slides in the buffer cavity is provided at one end of the buffer rod, and the buffer elastic member abuts between the buffer head and the bottom of the buffer cavity.

10. The twin elevator anti-collision triggering device according to any one of claims 1 to 5, characterized in that: One of the upper car and the lower car is provided with a striker, and the other one is provided with a buffer; the upper trigger member and the lower trigger member are triggered before the buffer.

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