Portable weighing device suitable for elevator load test

Abstract

The invention discloses a portable weighing device suitable for an elevator load test, and relates to the technical field of elevator load tests, the portable weighing device comprises a support assembly, the outer wall of the support assembly is provided with a moving assembly, and the top of the support assembly is provided with an installation assembly. According to the portable weighing device suitable for the elevator load test, the water bag assembly and the supporting assembly are adopted, when the elevator load test is carried out, water is injected into a water bag body, the weight of the injected water is monitored, the maximum load capacity of an elevator can be accurately detected, and meanwhile the working intensity during the elevator load test can be reduced; the connecting assembly and the moving assembly are adopted, when the weighing device is used for carrying out an elevator load test, the device can be folded, the space occupied area of the device is reduced, the device can be conveniently moved backwards through the moving assembly, the device can be conveniently and movably placed in an elevator, and the convenience during the elevator load test can be improved; and meanwhile, the working efficiency during the elevator load test is improved.

Description

Technical Field

[0001] The invention relates to the technical field of elevator load testing, in particular to a portable weighing device suitable for elevator load testing. Background Art

[0002] Elevator load test is a common elevator safety test method used to verify the performance and safety of the elevator under rated load. This test is mainly to confirm that the elevator can safely carry the designed maximum load during operation without exceeding its design capacity or affecting its safety performance;

[0003] A weighing device is required for load testing of elevators. It is used to measure and verify the load-bearing capacity of the elevator and to measure the load of the elevator to ensure that the elevator can work normally within the prescribed safe load range in actual use.

[0004] Current:

[0005] 1. The traditional elevator loading method is to gradually move the corresponding kilogram weights into the elevator, which is time-consuming and laborious when conducting elevator load tests;

[0006] 2. The traditional elevator loading method is to gradually move the corresponding kilogram weights into the elevator. When conducting the final maximum load test, it is impossible to accurately detect the maximum load capacity of the elevator;

[0007] 3. The traditional method of loading an elevator is to gradually move the corresponding kilograms of weights into the elevator. The weights are large in size and heavy in weight, making them inconvenient to transport and very inconvenient to use. Summary of the invention

[0008] In view of the deficiencies in the prior art, the present invention provides a portable weighing device suitable for elevator load testing, which solves the problems raised in the above-mentioned background technology.

[0009] To achieve the above objectives, the present invention is implemented through the following technical scheme: a portable weighing device suitable for elevator load testing, including a support assembly, a moving assembly is installed on the outer wall of the support assembly, a mounting assembly is installed on the top of the support assembly, a connecting assembly is installed on the top of the mounting assembly, a fixing assembly is installed on the top of the connecting assembly, a water bag assembly is attached to the top of the mounting assembly, and a first arc rod and a second arc rod are installed on the inner wall of the water bag assembly.

[0010] The moving assembly comprises an L-shaped plate, a slide rod is slidably installed through the top of the L-shaped plate, a connecting block is installed at the bottom of the slide rod, a universal wheel is installed at the bottom of the connecting block, and a spring is installed at the top of the connecting block.

[0011] The connecting assembly includes a second curved plate, a first fixed block is installed on the outer wall of the second curved plate, a first rotating block is installed on the top of the second curved plate, a mounting rod is rotatably installed on the outer wall of the first rotating block, a support rod is rotatably installed on the inner wall of the mounting rod, curved support plates are installed on the outer walls of the support rod and the mounting rod, a second rotating block is rotatably installed on the inner wall of the support rod, a third curved plate is installed on the top of the second rotating block, and a second fixed block is installed on the outer wall of the third curved plate.

[0012] The water bag assembly includes a water bag body, a flow meter electric valve is installed on the top of the water bag body, an electric valve is installed on the bottom of the water bag body, an arc tube is installed on the outer wall of the water bag body, and a dividing piece and a barrier piece are installed on the inner wall of the water bag body.

[0013] Optionally, the supporting assembly includes a base plate, a weight sensor is installed on the top of the base plate, a fixed plate is installed on the top of the weight sensor, a plurality of first mounting tubes are installed on the top of the fixed plate, and the plurality of first mounting tubes are distributed in a ring shape with the vertical center line of the fixed plate as the origin, and there are three weight sensors in total, and the three weight sensors are distributed in a ring shape with the vertical center line of the fixed plate as the origin.

[0014] Optionally, the L-shaped plate is installed on the outer wall of the base plate, and there are three movable components in total, and the three movable components are distributed in a ring shape with the vertical center line of the base plate as the origin.

[0015] Optionally, there are two sliding rods in total, and the sliding rods are symmetrically distributed about the vertical center line of the connecting block, and the top of the spring is installed on the bottom of the inner wall of the L-shaped plate.

[0016] Optionally, the mounting assembly includes a support plate, a plurality of fixing rods are installed at the bottom of the support plate, and the plurality of fixing rods are distributed in a ring shape with the vertical center line of the support plate as the origin, a first arc-shaped plate is installed at the top of the support plate, a first mounting block is installed on the outer wall of the first arc-shaped plate, and the fixing rods are inserted into the inner wall of the first mounting tube.

[0017] Optionally, there are four connecting components in total, and the four connecting components take the vertical center line of the fixed plate as the origin, and are symmetrically distributed between the arc support plates about the vertical center line of the support rod, and screw holes are provided on the outer wall of the mounting rod near the top and the outer wall of the support rod near the bottom.

[0018] Optionally, the fixing assembly includes a mounting ring, a plurality of second mounting tubes are installed on the top of the mounting ring, and the second mounting tubes are distributed in a ring shape with the vertical center line of the mounting ring as the origin, a fourth arc plate is installed on the bottom of the mounting ring, and a second mounting block is installed on the outer wall of the fourth arc plate.

[0019] Optionally, two symmetrically distributed plug rods are provided at the bottom of the first fixed block and the top of the second fixed block, and circular holes with internal dimension structures consistent with the external dimension structures of the plug rods are provided at the tops of the first mounting block and the second mounting block, and screw holes are provided at the middle parts of the tops of the first fixed block, the second fixed block, the first mounting block and the second mounting block, the first arc plate and the first mounting block are set as a group, and there are four groups in total, and the four groups of first arc plates and first mounting blocks are distributed in a ring with the vertical center line of the support plate as the origin, the fourth arc plate and the second mounting block are set as a group, and there are four groups in total, and the four groups of fourth arc plates and second mounting blocks are distributed in a ring with the vertical center line of the mounting ring as the origin.

[0020] Optionally, there are eight arc tubes in total, and four arc tubes are installed in a group on the outer wall of the water bag body near the top and near the bottom, and the arc tubes are distributed in a ring with the vertical center line of the water bag body as the origin, and there are four first arc rods and four second arc rods, and the first arc rods and the second arc rods are distributed in a ring with the vertical center line of the water bag body as the origin.

[0021] Optionally, a circular hole is opened in the middle of the top of the split piece, and there are two split pieces in total, and there are a plurality of baffle pieces in total, and the baffle pieces are distributed in a ring shape with the vertical center line of the split piece as the origin.

[0022] The present invention provides a portable weighing device suitable for elevator load testing, which has the following beneficial effects:

[0023] The portable weighing device suitable for elevator load test connects the water inlet pipe to the flow meter electric valve through the water bag assembly during the elevator load test, opens the flow meter electric valve, and injects water into the water bag body. During the test, weights do not need to be continuously carried into the elevator, which can improve the convenience of elevator load test and reduce the work intensity during the elevator load test.

[0024] The portable weighing device suitable for elevator load test uses a support component. When water is injected into the water bag body through the flow meter electric valve during the elevator load test, the amount of water injected into the water bag body can be checked through the flow meter electric valve. The weight sensor of the support component can monitor the weight of the water injected into the water bag body in real time. Combined with the weight of the device, the maximum load capacity of the elevator can be detected more accurately, thereby improving the accuracy of the test.

[0025] The portable weighing device suitable for elevator load test has a moving component. When the weighing device is used to perform the elevator load test, the pushing device can move the device through the universal wheels of the three moving components. When water is injected into the main body of the water bag, the L-shaped plate compresses the spring, and the bottom plate contacts the ground. When the device is used, it is convenient to convert the use location of the device, thereby improving the convenience of using the device and the convenience of performing the elevator load test.

[0026] The portable weighing device suitable for elevator load test is connected with the components. When the weighing device is used, the hand screws for installing the mounting rod and the support rod are removed, and then the mounting rods and the support rods of the four connecting components are folded inward, so that the height of the fixing component and the second arc rod can be increased, thereby reducing the space occupied by the device, facilitating the subsequent movement of the device, and improving the convenience of using the device. When performing the elevator load test, it is convenient to move the device and place it in the elevator, which improves the convenience of performing the elevator load test, thereby improving the work efficiency when performing the elevator load test.

[0027] The portable weighing device suitable for elevator load test is installed with components and fixed with components. When the weighing device is used to carry out elevator load test, when it is necessary to carry out test on an elevator with a large load, one group of flow meter electric valves is connected with another group of electric valves through pipelines and another group of several fixed rods are inserted into the corresponding second installation pipes at the bottom, and then the water inlet pipe is connected with another group of flow meter electric valves. This can improve the detection range of the device when carrying out load test, improve the convenience of using the device, and improve the work efficiency when carrying out elevator load test. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the main structure of the invention;

[0029] Figure 2 It is a schematic diagram of the support assembly structure in the invention;

[0030] Figure 3 It is a schematic diagram of the structure of the mobile component in the invention;

[0031] Figure 4 It is a schematic diagram of the structure of the installation assembly in the invention;

[0032] Figure 5 It is a schematic diagram of the support assembly structure in the invention;

[0033] Figure 6 It is a schematic diagram of the structure of the fixed component in the invention;

[0034] Figure 7 This is a schematic diagram of the full cross-section structure of the water bag assembly in the invention.

[0035] In the figure: 1, support assembly; 101, bottom plate; 102, weight sensor; 103, fixed plate; 104, first mounting tube; 2, moving assembly; 201, L-shaped plate; 202, sliding rod; 203, connecting block; 204, universal wheel; 205, spring; 3, mounting assembly; 301, support plate; 302, fixing rod; 303, first arc plate; 304, first mounting block; 4, connecting assembly; 401, second arc plate; 402, first fixing block; 403, first rotating block; 404 , mounting rod; 405, support rod; 406, arc-shaped support plate; 407, second rotating block; 408, third arc-shaped plate; 409, second fixed block; 5, fixing assembly; 501, mounting ring; 502, second mounting tube; 503, fourth arc-shaped plate; 504, second mounting block; 6, water bag assembly; 601, water bag body; 602, flow meter electric valve; 603, electric valve; 604, arc-shaped tube; 605, dividing piece; 606, baffle piece; 7, first arc-shaped rod; 8, second arc-shaped rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] See also Figures 1 to 7The present invention provides a technical solution: a portable weighing device suitable for elevator load testing, comprising a support component 1, a moving component 2 is installed on the outer wall of the support component 1, a mounting component 3 is installed on the top of the support component 1, a connecting component 4 is installed on the top of the mounting component 3, a fixing component 5 is installed on the top of the connecting component 4, a water bag component 6 is attached to the top of the mounting component 3, and a first arc rod 7 and a second arc rod 8 are installed on the inner wall of the water bag component 6.

[0040] The moving component 2 includes an L-shaped plate 201 , a slide rod 202 is slidably installed on the top of the L-shaped plate 201 , a connecting block 203 is installed on the bottom of the slide rod 202 , a universal wheel 204 is installed on the bottom of the connecting block 203 , and a spring 205 is installed on the top of the connecting block 203 .

[0041] The connecting component 4 includes a second curved plate 401, a first fixed block 402 is installed on the outer wall of the second curved plate 401, a first rotating block 403 is installed on the top of the second curved plate 401, a mounting rod 404 is rotatably installed on the outer wall of the first rotating block 403, a support rod 405 is rotatably installed on the inner wall of the mounting rod 404, an arc-shaped support plate 406 is installed on the outer walls of the support rod 405 and the mounting rod 404, a second rotating block 407 is rotatably installed on the inner wall of the support rod 405, a third curved plate 408 is installed on the top of the second rotating block 407, and a second fixed block 409 is installed on the outer wall of the third curved plate 408.

[0042] The water bag assembly 6 includes a water bag body 601, a flow meter electric valve 602 is installed on the top of the water bag body 601, an electric valve 603 is installed on the bottom of the water bag body 601, an arc tube 604 is installed on the outer wall of the water bag body 601, and a dividing piece 605 and a barrier piece 606 are installed on the inner wall of the water bag body 601.

[0043] In this embodiment, Figure 2 As shown, the support assembly 1 includes a base plate 101, a weight sensor 102 is installed on the top of the base plate 101, a fixing plate 103 is installed on the top of the weight sensor 102, a plurality of first mounting tubes 104 are installed on the top of the fixing plate 103, and the plurality of first mounting tubes 104 are distributed in a ring shape with the vertical center line of the fixing plate 103 as the origin, and a total of three weight sensors 102 are provided, and the three weight sensors 102 are distributed in a ring shape with the vertical center line of the fixing plate 103 as the origin; the weight of the water injected into the water bag body 601 can be sensed by the weight sensor 102, and the test conditions can be monitored during the elevator load test.

[0044] In this embodiment, Figure 2 and Figure 3As shown, the L-shaped plate 201 is installed on the outer wall of the base plate 101, and there are three mobile components 2 in total, and the three mobile components 2 are distributed in a ring shape with the vertical center line of the base plate 101 as the origin; the universal wheels 204 of the three mobile components 2 facilitate the movement of the device, thereby improving the portability of the device when in use.

[0045] In this embodiment, Figure 3 As shown, there are two slide bars 202, and the slide bars 202 are symmetrically distributed about the vertical center line of the connecting block 203, and the top of the spring 205 is installed on the bottom of the inner wall of the L-shaped plate 201; when the water is injected into the water bag body 601, as the water in the water bag body 601 increases, the L-shaped plate 201 compresses the spring 205, and the bottom plate 101 moves downward. When the bottom plate 101 contacts the ground, the stability of the device during the elevator load test is improved.

[0046] In this embodiment, Figure 4 As shown, the mounting assembly 3 includes a support plate 301, a plurality of fixing rods 302 are installed at the bottom of the support plate 301, and the plurality of fixing rods 302 are distributed in a ring shape with the vertical center line of the support plate 301 as the origin, a first arc-shaped plate 303 is installed at the top of the support plate 301, a first mounting block 304 is installed on the outer wall of the first arc-shaped plate 303, and the fixing rods 302 are inserted into the inner wall of the first mounting tube 104; a circular hole is provided in the middle of the support plate 301, and when the mounting assembly 3 and the support assembly 1 are installed, the plurality of fixing rods 302 of the mounting assembly 3 are inserted into the plurality of first mounting tubes 104 of the support assembly 1, so that the mounting assembly 3 and the support assembly 1 can be quickly installed, thereby improving the convenience of the device when used.

[0047] In this embodiment, Figure 1 , Figure 2 and Figure 5 As shown, there are four connecting components 4 in total, and the four connecting components 4 take the vertical center line of the fixing plate 103 as the origin, and the arc-shaped support plates 406 are symmetrically distributed about the vertical center line of the support rod 405, and screw holes are provided on the outer wall of the mounting rod 404 near the top and the outer wall of the support rod 405 near the bottom; the arc-shaped support plates 406 of the four connecting components 4 can support the water bag body 601, and when water is injected into the water bag body 601, the stability of the water bag body 601 can be improved, thereby improving the stability of the device during use, and when the mounting rod 404 and the support rod 405 are adjusted to a vertical state, the mounting rod 404 and the support rod 405 are installed using hand screws, so that the mounting rod 404 and the support rod 405 remain in a vertical state.

[0048] In this embodiment, Figure 6As shown, the fixing component 5 includes a mounting ring 501, a plurality of second mounting tubes 502 are installed on the top of the mounting ring 501, and the second mounting tubes 502 are distributed in a ring shape with the vertical center line of the mounting ring 501 as the origin, a fourth arc plate 503 is installed on the bottom of the mounting ring 501, and a second mounting block 504 is installed on the outer wall of the fourth arc plate 503; the mounting component 3, the connecting component 4, the fixing component 5, the water bag component 6, the first arc rod 7 and the second arc rod 8 are set as a group, and according to the requirements of the elevator load test, a plurality of fixing rods 302 of a group of the mounting component 3, the connecting component 4, the fixing component 5, the water bag component 6, the first arc rod 7 and the second arc rod 8 can be inserted into the second mounting tube 502 of another group of the fixing component 5, and the two groups of the mounting component 3, the connecting component 4, the fixing component 5, the water bag component 6, the first arc rod 7 and the second arc rod 8 can be superimposed on each other, which can improve the applicability of the device when used.

[0049] In this embodiment, Figure 4 , Figure 5 and Figure 6 As shown, two symmetrically distributed plug rods are provided at the bottom of the first fixed block 402 and the top of the second fixed block 409, and circular holes whose internal dimension structures are consistent with the external dimension structures of the plug rods are provided at the tops of the first mounting block 304 and the second mounting block 504, and screw holes are provided at the middle of the tops of the first fixed block 402, the second fixed block 409, the first mounting block 304 and the second mounting block 504, the first arc plate 303 and the first mounting block 304 are set as a group, and there are four groups in total, and the four groups of first arc plates 303 and first mounting blocks 304 are distributed in a ring shape with the vertical center line of the support plate 301 as the origin, the fourth arc plate 503 and the second mounting block 504 are set as a group, and There are four groups in total, and the four groups of fourth arc plates 503 and second mounting blocks 504 are distributed in a ring shape with the vertical center line of the mounting ring 501 as the origin; when the contact points of the two first arc rods 7 are placed in the first arc plate 303, the insertion rod on the first fixing block 402 is then inserted into the circular hole on the first mounting block 304, and then the first fixing block 402 and the first mounting block 304 are installed using hand screws, when the contact points of the two second arc rods 8 are placed in the third arc plate 408, the insertion rod on the second fixing block 409 is then inserted into the circular hole of the second mounting block 504, and then the second fixing block 409 and the second mounting block 504 are installed using hand screws, thereby improving the convenience of device installation.

[0050] In this embodiment, Figure 1 and Figure 7As shown, there are eight arc tubes 604 in total, and four arc tubes 604 are installed in a group on the outer wall of the water bag body 601 near the top and near the bottom, and the arc tubes 604 are distributed in a ring shape with the vertical center line of the water bag body 601 as the origin. There are four first arc rods 7 and four second arc rods 8, and the first arc rods 7 and the second arc rods 8 are distributed in a ring shape with the vertical center line of the water bag body 601 as the origin; the arc tube 604 is made of flexible material. When the first arc rod 7 and the second arc rod 8 are passed through the arc tube 604, and the first arc rod 7 and the second arc rod 8 are installed with the installation component 3, the connecting component 4 and the fixing component 5, the water bag component 6 can be supported to improve the stability of the water bag component 6 when in use.

[0051] In this embodiment, Figure 7 As shown, a circular hole is opened in the middle of the top of the dividing piece 605, and there are two dividing pieces 605 in total, and there are several baffle pieces 606 in total, and the several baffle pieces 606 are distributed in a ring with the vertical center line of the dividing piece 605 as the origin; the dividing piece 605 and the baffle piece 606 are made of flexible material, and the baffle piece 606 is connected to the dividing piece 605. The dividing piece 605 and the baffle piece 606 can divide the water bag body 601 into several interconnected small spaces. When water is injected into the water bag body 601, or when the device shakes, the water in the water bag body 601 is prevented from causing the device to shake violently, which affects the stability of the device when it is used.

[0052] The use method of the present invention: The portable weighing device suitable for elevator load test, when in use, the working process is as follows:

[0053] like Figures 1 to 7As shown, first, the drainage pipe is connected to the electric valve 603, and the water inlet pipe is connected to the flow meter electric valve 602. Then, the device is pushed through the four universal wheels 204 to move the device into the elevator. Then, the flow meter electric valve 602 is opened to inject water into the water bag body 601. Then, the weight sensor 102 is started to sense the weight of the injected water, and the elevator is subjected to a load test. As the water in the water bag body 601 increases, the bottom plate 101 moves down and contacts the ground, and the water bag body 601 is filled with water. When a test is required, the flow meter electric valve 602 is connected to another group of electric valves 603. 03 is connected through pipelines and several fixing rods 302 of another group of mounting components 3, connecting components 4, fixing components 5, water bag components 6, first arc rod 7 and second arc rod 8 are inserted into the second mounting pipe 502 at the bottom, and then the water inlet pipe is connected to the flow meter electric valve 602 of another group, and the load test can be continued. When the test is over, open the electric valve 603 to drain the water in the water bag body 601, and then remove the hand screws installed on the mounting rods 404 and the support rods 405 on the four connecting components 4, and then connect the mounting rods 404 and The support rod 405 is folded inward, and the height of the fixing assembly 5 and the second arc rod 8 is reduced, which reduces the footprint of the device and facilitates the subsequent transportation of the device. When the water bag assembly 6 is damaged and needs to be replaced, the hand screws that install the second fixing block 409 and the second mounting block 504 are removed, and the hand screws that install the first fixing block 402 and the first mounting block 304 are removed, and then the connecting assembly 4 and the fixing assembly 5 are removed, and then the first arc rod 7 and the second arc rod 8 are pulled out from the arc tube 604, and then the first arc rod 7 and the second arc rod 8 are inserted into the new water bag assembly 6. The arc tube 604 is then placed, and the contact points of the two first arc rods 7 are placed in the first arc plate 303. The insertion rod on the first fixing block 402 is inserted into the circular hole on the first mounting block 304, and the first fixing block 402 and the first mounting block 304 are installed using hand screws. The contact points of the two second arc rods 8 are then placed in the third arc plate 408, and the insertion rod on the second fixing block 409 is inserted into the circular hole of the second mounting block 504, and the second fixing block 409 and the second mounting block 504 are installed using hand screws to complete the replacement of the water bag assembly 6.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable weighing device for elevator load testing, comprising a support assembly (1), characterized in that: The outer wall of the support component (1) is mounted with a moving component (2); the top of the support component (1) is mounted with a mounting component (3); the top of the mounting component (3) is mounted with a connecting component (4); the top of the connecting component (4) is mounted with a fixing component (5); the top of the mounting component (3) is fitted with a water bag component (6); the inner wall of the water bag component (6) is mounted with a first arc-shaped rod (7) and a second arc-shaped rod (8); The moving assembly (2) comprises an L-shaped plate (201), a slide bar (202) is slidably installed through the top of the L-shaped plate (201), a connecting block (203) is installed at the bottom of the slide bar (202), a universal wheel (204) is installed at the bottom of the connecting block (203), and a spring (205) is installed at the top of the connecting block (203); The connecting assembly (4) comprises a second curved plate (401), a first fixed block (402) is installed on the outer wall of the second curved plate (401), a first rotating block (403) is installed on the top of the second curved plate (401), a mounting rod (404) is rotatably installed on the outer wall of the first rotating block (403), a support rod (405) is rotatably installed on the inner wall of the mounting rod (404), an arc-shaped supporting plate (406) is installed on the outer walls of the support rod (405) and the mounting rod (404), a second rotating block (407) is rotatably installed on the inner wall of the support rod (405), a third curved plate (408) is installed on the top of the second rotating block (407), and a second fixed block (409) is installed on the outer wall of the third curved plate (408); The water bag assembly (6) comprises a water bag body (601), a flow meter electric valve (602) is installed on the top of the water bag body (601), an electric valve (603) is installed on the bottom of the water bag body (601), an arc tube (604) is installed on the outer wall of the water bag body (601), and a dividing piece (605) and a barrier piece (606) are installed on the inner wall of the water bag body (601).

2. The portable weighing device for elevator load test according to claim 1 is characterized in that: The support assembly (1) comprises a base plate (101), a weight sensor (102) is installed on the top of the base plate (101), a fixing plate (103) is installed on the top of the weight sensor (102), a plurality of first mounting tubes (104) are installed on the top of the fixing plate (103), and the plurality of first mounting tubes (104) are distributed in a ring shape with the vertical center line of the fixing plate (103) as the origin, and a total of three weight sensors (102) are provided, and the three weight sensors (102) are distributed in a ring shape with the vertical center line of the fixing plate (103) as the origin.

3. The portable weighing device for elevator load test according to claim 2 is characterized in that: The L-shaped plate (201) is installed on the outer wall of the bottom plate (101), and a total of three movable components (2) are provided, and the three movable components (2) are distributed in a ring shape with the vertical center line of the bottom plate (101) as the origin.

4. The portable weighing device for elevator load test according to claim 1 is characterized in that: There are two slide bars (202) in total, and the slide bars (202) are symmetrically distributed about the vertical center line of the connecting block (203). The top of the spring (205) is installed on the bottom of the inner wall of the L-shaped plate (201).

5. The portable weighing device suitable for elevator load test according to claim 2 is characterized in that: The mounting assembly (3) comprises a support plate (301), a plurality of fixing rods (302) are mounted at the bottom of the support plate (301), and the plurality of fixing rods (302) are distributed in a ring shape with the vertical center line of the support plate (301) as the origin, a first arc-shaped plate (303) is mounted at the top of the support plate (301), a first mounting block (304) is mounted on the outer wall of the first arc-shaped plate (303), and the fixing rods (302) are plugged into the inner wall of the first mounting tube (104).

6. The portable weighing device suitable for elevator load test according to claim 2, characterized in that: There are four connecting assemblies (4) in total, and the four connecting assemblies (4) are arranged with the vertical center line of the fixing plate (103) as the origin, and the arc-shaped support plates (406) are symmetrically distributed about the vertical center line of the support rod (405), and screw holes are provided on the outer wall of the mounting rod (404) near the top and on the outer wall of the support rod (405) near the bottom.

7. The portable weighing device for elevator load test according to claim 1 is characterized in that: The fixing assembly (5) comprises a mounting ring (501), a plurality of second mounting tubes (502) are mounted on the top of the mounting ring (501), and the second mounting tubes (502) are distributed in a ring shape with the vertical center line of the mounting ring (501) as the origin, a fourth arc plate (503) is mounted on the bottom of the mounting ring (501), and a second mounting block (504) is mounted on the outer wall of the fourth arc plate (503).

8. The portable weighing device for elevator load test according to claim 7 is characterized in that: The bottom of the first fixing block (402) and the top of the second fixing block (409) are each provided with two symmetrically distributed plug rods, and the tops of the first mounting block (304) and the second mounting block (504) are each provided with a circular hole whose internal dimension structure is consistent with the external dimension structure of the plug rod, and the top middle parts of the first fixing block (402), the second fixing block (409), the first mounting block (304) and the second mounting block (504) are each provided with a screw hole, the first arc plate (303) and the first mounting block (304) are set as a group, and there are four groups in total, and the four groups of the first arc plate (303) and the first mounting block (304) are distributed in a ring shape with the vertical center line of the support plate (301) as the origin, the fourth arc plate (503) and the second mounting block (504) are set as a group, and there are four groups in total, and the four groups of the fourth arc plate (503) and the second mounting block (504) are distributed in a ring shape with the vertical center line of the mounting ring (501) as the origin.

9. The portable weighing device suitable for elevator load test according to claim 1, characterized in that: There are eight arc tubes (604) in total, and four arc tubes (604) are installed in a group on the outer wall of the water bag body (601) near the top and near the bottom respectively, and the arc tubes (604) are distributed in a ring shape with the vertical center line of the water bag body (601) as the origin, and there are four first arc rods (7) and four second arc rods (8), and the first arc rods (7) and the second arc rods (8) are distributed in a ring shape with the vertical center line of the water bag body (601) as the origin.

10. The portable weighing device suitable for elevator load test according to claim 1, characterized in that: A circular hole is opened in the middle of the top of the split piece (605), and there are two split pieces (605) in total. There are a plurality of baffles (606) in total, and the baffles (606) are distributed in a ring shape with the vertical center line of the split piece (605) as the origin.

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