Lifting platform and load weight data transmission display method thereof

Abstract

The invention relates to a lifting platform and a load weight data transmission display method thereof, and relates to the field of performance test.The lifting platform comprises a table top, a base, a lifting rod, a hydraulic rod, a load table, a steel wire rope and a tensioning device; the top of the scissor-type lifting rod is hinged to the load table so that the load table can move up and down relative to the base. One end of the hydraulic rod is hinged to the base, and the other end of the hydraulic rod is hinged to the lifting rod to drive the lifting rod to unfold or contract; the four tensioning devices are arranged on the table top outside the four corners of the base respectively, the fixed pulleys are rotationally connected to the bottom of the load table over the tensioning devices, one end of the steel wire rope is connected with the tensioning devices, and the other end of the steel wire rope bypasses the fixed pulleys to be fixedly connected with the table top.

Description

Technical Field

[0001] The present invention relates to the technical field of performance testing, and in particular to a lifting platform and a method for displaying load weight data thereof. Background Art

[0002] During the field test, the equipment under test needs to be at different test heights to obtain comprehensive measurement data. During the test or trial, the table of the lifting platform is used to carry the load, but there is currently no direct feedback on how heavy the load is and whether the lifting platform can withstand it.

[0003] Therefore, in view of the above shortcomings, it is necessary to provide a lifting platform and a method for transmitting and displaying load weight data thereof. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the present invention is how to express the load condition of the lifting platform to the user in a concrete manner.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the present invention provides a lifting platform, including a table top, a base, a lifting rod, a hydraulic rod, a load platform, a wire rope and a tensioning device. The base is erected on the table top, the bottom of the scissors-type lifting rod is hinged to the base, and the top of the scissors-type lifting rod is hinged to the load platform so that the load platform can move up and down relative to the base; one end of the hydraulic rod is hinged to the base, and the other end of the hydraulic rod is hinged to the lifting rod to drive the lifting rod to expand or retract; four tensioning devices are arranged on the table top outside the four corners of the base, and the bottom of the load platform directly above the tensioning device is rotatably connected to a fixed pulley, one end of the wire rope is connected to the tensioning device, and the other end of the wire rope passes around the fixed pulley and is fixedly connected to the table top.

[0008] As a further illustration of the present invention, preferably, four load-bearing sensors are arranged at intervals between the base and the table top, the output end of the load-bearing sensor is electrically connected to the controller, and the output end of the controller is electrically connected to the display.

[0009] As a further illustration of the present invention, preferably, a tension sensor is arranged at the end of the steel wire rope connected to the table top, and the tension sensor is electrically connected to the controller.

[0010] As a further illustration of the present invention, preferably, a hydraulic control system is mounted on the base, and the hydraulic control system is connected to the hydraulic rod through a pipeline.

[0011] The present invention also provides a method for transmitting and displaying load weight data of a lifting platform, comprising the following steps:

[0012] Ⅰ. Place the load on the load platform and measure four data N1, N2, N3, and N4 through the load-bearing sensor;

[0013] Ⅱ. Start the hydraulic rod to lift the lifting rod. After the load platform 5 stops, start the tensioning device to loosen or pull the wire rope to make the end surface of the load platform level;

[0014] III. After the load platform reaches the specified position, the data of the four tension sensors F1, F2, F3, and F4 are collected;

[0015] IV. The controller collects N1, N2, N3, N4 and F1, F2, F3, F4 and calculates to obtain the load weight G;

[0016] V. The controller transmits the collected N1, N2, N3, N4, F1, F2, F3, F4 and the calculated load weight G to the display for display.

[0017] As a further illustration of the present invention, preferably, the load weight G satisfies:

[0018] G=(N1+N2+N3+N4)-G 平台 -(F1+F2+F3+F4).

[0019] Among them G 平台 is the weight of the load platform (5).

[0020] (III) Beneficial effects

[0021] The above technical solution of the present invention has the following advantages:

[0022] The present invention arranges two groups of sensors and can calculate the load state of the lifting platform with wire rope traction through an algorithm, and clearly displays the calculation result through a display, so that the user can observe the load condition in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a general assembly effect diagram of the first embodiment of the present invention;

[0024] Figure 2 is a side view of an embodiment of the present invention;

[0025] Figure 3 This is a force diagram of Embodiment 1 of the present invention;

[0026] Figure 4 It is a force diagram of the second embodiment of the present invention.

[0027] In the figure: 1. table; 2. base; 3. lifting rod; 4. hydraulic rod; 41. hydraulic control system; 5. load platform; 6. wire rope; 7. tensioning device; 8. load-bearing sensor; 81. tension sensor. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] A lifting platform, combined with Figure 1 , Figure 2 , including a table 1, a base 2, a lifting rod 3, a hydraulic rod 4, a load platform 5, a wire rope 6 and a tensioning device 7. The base 2 is mounted on the table 1. The bottom of the scissor-type lifting rod 3 is hinged to the base 2, and the top of the scissor-type lifting rod 3 is hinged to the load platform 5 so that the load platform 5 can move up and down relative to the base 2; one end of the hydraulic rod 4 is hinged to the base 2, and the other end of the hydraulic rod 4 is hinged to the lifting rod 3 to drive the lifting rod 3 to expand or retract. A hydraulic control system 41 is mounted on the base 2, and the hydraulic control system 41 is connected to the hydraulic rod 4 through a pipeline to achieve the purpose of controlling the extension and retraction of the hydraulic rod 4. Four tensioning devices 7 are separately placed on the table 1 outside the four corners of the base 2. The bottom of the load platform 5 directly above the tensioning device 7 is rotatably connected to a fixed pulley, one end of the wire rope 6 is connected to the tensioning device 7, and the other end of the wire rope 6 is connected to the table 1 by bypassing the fixed pulley. Or the wire rope 6 is directly connected to the load platform 5, and the load platform 5 can maintain good stability through the pulling of the wire rope 6.

[0030] Combination Figure 1 , Figure 2 Four load-bearing sensors 8 are arranged between the base 2 and the table 1. The output end of the load-bearing sensor 8 is electrically connected to the controller, and the output end of the controller is electrically connected to the display. The weight of the lifting platform and the parts above it is obtained through the load-bearing sensor 8. In the first embodiment, the steel wire rope 6 is directly connected to the load platform 5, and a tension sensor is arranged on the load platform 5. Figure 4 In the second embodiment, a tension sensor 81 is arranged at the end of the steel wire rope 6 connected to the table 1, and the tension sensor 81 is electrically connected to the controller.

[0031] Based on the structure of the lifting platform in the second embodiment, the present invention also provides a method for transmitting and displaying load weight data of the lifting platform, comprising the following steps:

[0032] Ⅰ. Place the load on the load platform 5, and measure four data N1, N2, N3, and N4 through the load sensor 8;

[0033] Ⅱ. Start the hydraulic rod 4 to lift the lifting rod 3. After the load platform 5 stops, start the tensioning device 7 to loosen or pull the wire rope 8 to make the end surface of the load platform 5 horizontal;

[0034] III. After the load platform 5 reaches the specified position, the data F1, F2, F3, and F4 of the current four tension sensors are collected;

[0035] IV. The controller collects N1, N2, N3, N4 and F1, F2, F3, F4 and calculates to obtain the load weight G; the load weight G satisfies:

[0036] G=(N1+N2+N3+N4)-G 平台 -(F1+F2+F3+F4).

[0037] Among them G 平台 is the weight of the load platform (5).

[0038] V. The controller transmits the collected N1, N2, N3, N4, F1, F2, F3, F4 and the calculated load weight G to the display for display.

[0039] The above method can accurately reflect the load condition of the lifting platform on the display screen, so that the user can intuitively see the load condition of the lifting platform, which is helpful to provide clear test data for the technical development of subsequent equipment.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lifting platform, characterized in that: The utility model comprises a table (1), a base (2), a lifting rod (3), a hydraulic rod (4), a load platform (5), a steel wire rope (6) and a tensioning device (7). The base (2) is mounted on the table (1). The bottom of the scissor-type lifting rod (3) is hinged to the base (2). The top of the scissor-type lifting rod (3) is hinged to the load platform (5) so that the load platform (5) can move up and down relative to the base (2). One end of the hydraulic rod (4) is hinged to the base (2). The other end of the hydraulic rod (4) is hinged to the lifting rod (3) so as to drive the lifting rod (3) to expand or retract. Four tensioning devices (7) are arranged on the table (1) outside the four corners of the base (2). The bottom of the load platform (5) directly above the tensioning device (7) is rotatably connected to a fixed pulley. One end of the steel wire rope (6) is connected to the tensioning device (7). The other end of the steel wire rope (6) passes around the fixed pulley and is fixedly connected to the table (1).

2. A lifting platform according to claim 1, characterized in that: Four load-bearing sensors (8) are arranged at intervals between the base (2) and the table top (1); the output end of the load-bearing sensor (8) is electrically connected to a controller, and the output end of the controller is electrically connected to a display.

3. A lifting platform according to claim 2, characterized in that: A tension sensor (81) is arranged at the end of the steel wire rope (6) connected to the table top (1), and the tension sensor (81) is electrically connected to the controller.

4. A lifting platform according to claim 3, characterized in that: A hydraulic control system (41) is mounted on the base (2), and the hydraulic control system (41) is connected to the hydraulic rod (4) via a pipeline.

5. A method for transmitting and displaying load weight data of a lifting platform according to claim 4, characterized in that: The following steps are involved: Ⅰ. Place the load on the load platform (5), and measure four data N1, N2, N3, and N4 through the load-bearing sensor (8); Ⅱ. Start the hydraulic rod (4) to lift the lifting rod (3), and after the load platform 5 stops, start the tensioning device (7) to loosen or pull the wire rope (6) to make the end surface of the load platform (5) level; III. After the load platform (5) reaches the specified position, the data F1, F2, F3, F4 of the current four tension sensors (81) are collected; IV. The controller collects N1, N2, N3, N4 and F1, F2, F3, F4 and calculates to obtain the load weight G; V. The controller transmits the collected N1, N2, N3, N4, F1, F2, F3, F4 and the calculated load weight G to the display for display.

6. A method for transmitting and displaying load weight data of a lifting platform according to claim 5, characterized in that: The load weight G satisfies: G=(N1+N2+N3+N4)-G 平台 -(F1+F2+F3+F4)。 Among them G 平台 is the weight of the load platform (5).

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