Large-tonnage machine-room-less goods elevator damping device

Abstract

The utility model discloses a large-tonnage machine-room-less goods elevator damping device which comprises a lift car and further comprises a balance weight mechanism, the balance weight mechanism is arranged at the bottom of the lift car, and the balance weight mechanism comprises an installation base, a sliding groove, a balance weight block, a motor, a reel and an inhaul cable. Mounting bases are fixedly connected to the two sides of the bottom of the lift car, a sliding groove is formed in the position, between the mounting bases, of the bottom of the lift car in the horizontal direction, after goods are loaded, the weight of all areas of the top of the supporting plate is calculated, a motor is controlled to operate according to the calculation result, and then a balancing weight is moved to the side, with light balance weight, of the bottom of the lift car through a pull rope; by adjusting the position of the balancing weight, the weights of different areas of the lift car are trimmed, the stability of the lift car in the lifting process is improved, and the amplitude is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator components, in particular to a shock absorbing device for a large-tonnage machine room-less freight elevator. Background Art

[0002] Freight elevator is a type of elevator, usually refers to an elevator mainly used to transport goods, with the characteristics of large load capacity and large space. Machine roomless freight elevator refers to an elevator that does not require a building to provide a closed special machine room for installing elevator drive host, control cabinet, speed limiter and other equipment. It is widely used.

[0003] The existing machine-roomless freight elevators have the following drawbacks during operation: the counterweight device of the machine-roomless freight elevator has a completely different structural design according to different technical requirements in actual application, resulting in large differences in performance. During the operation of the existing large-tonnage machine-roomless freight elevators, it is easy to increase the vibration during the operation of the freight elevator due to factors such as the unbalanced counterweight of the internal loading goods, resulting in reduced operating stability. For this reason, we propose a shock-absorbing device for a large-tonnage machine-roomless freight elevator. Utility Model Content

[0004] The main purpose of the utility model is to provide a shock absorbing device for a large-tonnage machine room-less freight elevator. By means of a counterweight mechanism arranged at the bottom of the car and automatic horizontal adjustment of the car counterweight, the amplitude of elevator operation can be reduced, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A shock absorbing device for a large-tonnage machine room-less freight elevator comprises a car and a counterweight mechanism. The counterweight mechanism is arranged at the bottom of the car, and the counterweight mechanism comprises a mounting seat, a slide groove, a counterweight block, a motor, a reel and a cable. Mounting seats are fixedly connected to both sides of the bottom of the car, and a slide groove is provided in the horizontal direction between the mounting seats at the bottom of the car. The counterweight block is slidably connected to the bottom of the car through the slide groove. Motors are installed at positions corresponding to the counterweight blocks inside the mounting seats, and reels are installed at the power output ends of the motors. Cables are wound around the outer circumference of the reels, and the ends of the cables are connected to the counterweight blocks.

[0007] Furthermore, it also includes a weighing mechanism, which is arranged inside the car, and the weighing mechanism includes a base plate, a pallet, a weighing sensor and a single-chip microcomputer. The bottom of the inner wall of the car is provided with a base plate and a pallet is installed on the top of the base plate, a weighing sensor is installed between the base plate and the pallet, and a single-chip microcomputer is installed on the surface of the base plate; the bottom of the car is provided with a double-layer structure of a base plate and a pallet, and the goods loaded inside the car are placed on the top of the pallet. During the loading process, the weighing sensor located between the base plate and the pallet will calculate the load in different areas of the top of the pallet, and transmit the calculated data to the single-chip microcomputer for processing. The single-chip microcomputer calculates according to the difference in weight of the goods in different areas on the top of the pallet, and then controls the operation of each motor so that the motor adjusts the counterweight block to a suitable position to achieve the uniformity of the car counterweight as much as possible.

[0008] Furthermore, a slider inserted into the slide groove is installed on the top of each counterweight block; through the cooperation between the slider and the slide groove, the movement of the counterweight block is smoother.

[0009] Furthermore, pull rings are welded at corresponding positions on both sides of the surface of the counterweight block, and the ends of the cables are connected to the pull rings; the pull ring structure is convenient for connection with the ends of the cables.

[0010] Furthermore, the signal output terminal of the weighing sensor is connected to the motor control terminal through a single chip microcomputer; the weighing sensor measures the weight and calculates the data through the single chip microcomputer to realize the regulation of the motor operation.

[0011] Compared with the prior art, the utility model has the following beneficial effects: a counterweight is installed at the bottom of the car through a slide, and the motor is connected to the counterweight through a reel and a cable. In an unloaded state, the counterweight is in the middle of the bottom of the car. After the goods are loaded, the weight of each area on the top of the pallet is weighed and calculated, and the motor operation is controlled according to the calculation result, and then the counterweight is moved to the lighter side of the bottom of the car through the cable. By adjusting the position of the counterweight, the weight of different areas of the car is balanced, the stability of the car during lifting and lowering is improved, and the amplitude is reduced; a double-layer structure of a bottom plate and a pallet is provided at the bottom of the car, and the goods loaded inside the car are placed on the top of the pallet. During the loading process, the weighing sensor located between the bottom plate and the pallet will calculate the load in different areas on the top of the pallet, and transmit the calculated data to the single-chip microcomputer for processing. The single-chip microcomputer calculates according to the difference in the weight of the goods in different areas on the top of the pallet, and then controls the operation of each motor so that the motor adjusts the counterweight to a suitable position to achieve the uniformity of the car counterweight as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic diagram of the overall structure of a shock absorbing device for a large-tonnage machine room-less freight elevator.

[0013] Figure 2The utility model is a schematic diagram of the car bottom structure of a shock absorbing device for a large-tonnage machine room-less freight elevator.

[0014] Figure 3 The utility model is a schematic diagram of the structure of a weighing mechanism of a shock absorbing device for a large-tonnage machine roomless freight elevator.

[0015] In the figure: 1. car; 2. counterweight mechanism; 201. mounting seat; 202. slide; 203. counterweight block; 204. slider; 205. motor; 206. reel; 207. cable; 208. pull ring; 3. weighing mechanism; 301. bottom plate; 302. support plate; 303. weighing sensor; 304. single chip microcomputer. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0017] like Figure 1-3 As shown, a large-tonnage machine room-less freight elevator shock absorption device includes a car 1 and a counterweight mechanism 2. The counterweight mechanism 2 is arranged at the bottom of the car 1, and the counterweight mechanism 2 includes a mounting seat 201, a slide 202, a counterweight block 203, a motor 205, a reel 206 and a cable 207. The mounting seats 201 are fixedly connected to both sides of the bottom of the car 1, and a slide 202 is provided in the horizontal direction between the bottom of the car 1 located between the mounting seats 201. The counterweight block 203 is slidably connected to the bottom of the car 1 through the slide 202. Motors 205 are installed at positions corresponding to the counterweight block 203 inside the mounting seat 201, and reels 206 are installed at power output ends of the motors 205. Cables 207 are wound around the outer circumference of the reels 206, and the ends of the cables 207 are connected to the counterweight block 203.

[0018] Among them, it also includes a weighing mechanism 3, the weighing mechanism 3 is arranged inside the car 1, the weighing mechanism 3 includes a bottom plate 301, a support plate 302, a weighing sensor 303 and a single-chip computer 304, the bottom of the inner wall of the car 1 is provided with a bottom plate 301 and a support plate 302 is installed on the top of the bottom plate 301, a weighing sensor 303 is installed between the bottom plate 301 and the support plate 302, and a single-chip computer 304 is installed on the surface of the bottom plate 301; the bottom of the car 1 is provided with a double-layer structure of a bottom plate 301 and a support plate 302, and the inside of the car 1 is provided with a bottom plate 301 and a support plate 302. The loaded goods are placed on the top of the pallet 302. During the loading process, the weighing sensor 303 located between the bottom plate 301 and the pallet 302 will calculate the load on different areas on the top of the pallet 302, and transmit the calculated data to the single-chip microcomputer 304 for processing. The single-chip microcomputer 304 calculates the difference in weight of the goods in different areas on the top of the pallet 302, and then controls the operation of each motor 205 so that the motor 205 adjusts the counterweight block 203 to a suitable position to achieve the uniformity of the weight of the car 1 as much as possible.

[0019] Among them, a slider 204 inserted into the slide groove 202 is installed on the top of the counterweight block 203, and pull rings 208 are welded at corresponding positions on both sides of the surface of the counterweight block 203, and the end of the cable 207 is connected to the pull ring 208; through the cooperation between the slider 204 and the slide groove 202, the movement of the counterweight block 203 is smoother, and the pull ring 208 structure is convenient for connection with the end of the cable 207.

[0020] The signal output end of the weighing sensor 303 is connected to the control end of the motor 205 through the single chip microcomputer 304 ; the weighing sensor 303 measures the weight and calculates the data through the single chip microcomputer 304 to realize the regulation of the operation of the motor 205 .

[0021] It should be noted that the utility model is a shock absorbing device for a large-tonnage machine room-less freight elevator. When in use, a counterweight block 203 is installed at the bottom of the car 1 through a slide 202, and a motor 205 is connected to the counterweight block 203 through a reel 206 and a cable 207. In an unloaded state, the counterweight block 203 is in the middle of the bottom of the car 1. After the cargo is loaded, the weight of each area on the top of the pallet 302 is weighed and calculated, and the motor 205 is controlled to run according to the calculation result, and then the counterweight block 203 is moved to the lighter side of the bottom of the car 1 through the cable 207. By adjusting the position of the counterweight block 203, the weight of different areas of the car 1 is balanced, thereby improving The stability of the car 1 during the lifting process is improved, and the amplitude is reduced; the bottom of the car 1 is provided with a double-layer structure of a base plate 301 and a pallet 302, and the goods loaded inside the car 1 are placed on the top of the pallet 302. During the loading process, the weighing sensor 303 located between the base plate 301 and the pallet 302 will calculate the load in different areas on the top of the pallet 302, and transmit the calculated data to the single-chip microcomputer 304 for processing. The single-chip microcomputer 304 calculates according to the difference in weight of the goods in different areas on the top of the pallet 302, and then controls the operation of each motor 205 so that the motor 205 adjusts the counterweight block 203 to a suitable position, so as to achieve the uniformity of the weight of the car 1 as much as possible.

[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A shock absorbing device for a large-tonnage machine-roomless freight elevator, comprising a car (1), characterized in that: The invention also comprises a counterweight mechanism (2), wherein the counterweight mechanism (2) is arranged at the bottom of the car (1), and the counterweight mechanism (2) comprises a mounting seat (201), a slide groove (202), a counterweight block (203), a motor (205), a reel (206) and a cable (207); the mounting seats (201) are fixedly connected to both sides of the bottom of the car (1), and a slide groove (202) is provided in the horizontal direction between the mounting seats (201) at the bottom of the car (1); the counterweight block (203) is slidably connected to the bottom of the car (1) through the slide groove (202); the motor (205) is installed at a position corresponding to the counterweight block (203) inside the mounting seat (201), and the power output end of the motor (205) is installed with a reel (206); the outer periphery of the reel (206) is wound with a cable (207), and the end of the cable (207) is connected to the counterweight block (203).

2. A shock absorbing device for a large-tonnage machine-room-less freight elevator according to claim 1, characterized in that: The invention also comprises a weighing mechanism (3), wherein the weighing mechanism (3) is arranged inside the car (1), and the weighing mechanism (3) comprises a bottom plate (301), a support plate (302), a weighing sensor (303) and a single-chip computer (304); the bottom of the inner wall of the car (1) is provided with a bottom plate (301) and the support plate (302) is installed on the top of the bottom plate (301); the weighing sensor (303) is installed between the bottom plate (301) and the support plate (302), and the single-chip computer (304) is installed on the surface of the bottom plate (301).

3. The shock absorbing device for a large-tonnage machine room-less freight elevator according to claim 1 is characterized in that: The top of each of the counterweight blocks (203) is provided with a sliding block (204) which is inserted into the sliding groove (202).

4. The shock absorbing device for a large-tonnage machine room-less freight elevator according to claim 1 is characterized in that: Pull rings (208) are welded at corresponding positions on both sides of the surface of the counterweight block (203), and the ends of the pull cables (207) are connected to the pull rings (208).

5. The shock absorbing device for a large-tonnage machine-room-less freight elevator according to claim 2 is characterized in that: The signal output end of the weighing sensor (303) is connected to the control end of the motor (205) via the single chip computer (304).

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