WO2023279429A1

WO2023279429A1 - Load testing mechanism for safety protection in stage performance process, and stage device

Info

Publication number: WO2023279429A1
Application number: PCT/CN2021/106839
Authority: WO
Inventors: 尹文敬; 潘世碧; 杨秀双; 柴淑贤; 鲍琴琴
Original assignee: 浙江大丰实业股份有限公司
Priority date: 2021-07-05
Filing date: 2021-07-16
Publication date: 2023-01-12
Also published as: CN113605748B; CN113605748A

Abstract

A load testing mechanism for safety protection in a stage performance process, and a stage device. The load testing mechanism comprises: a table-board steel frame (2); a connecting steel frame (3), which is located below the table-board steel frame (2), wherein one end of the connecting steel frame (3) is a hinged end, the other end of the connecting steel frame is a measuring end, and the hinged end of the connecting steel frame (3) matches the table-board steel frame (2) in a hinged manner; a load sensor assembly (4), which is arranged at the measuring end and is used for testing the load of the table-board steel frame (2) on the measuring end of the connecting steel frame (3); and a safety hook (5), wherein one end of the safety hook is fixed to the table-board steel frame (2), the other end of the safety hook hooks the connecting steel frame (3), or one end of the safety hook is fixed to the connecting steel frame (3), the other end of the safety hook hooks the table-board steel frame (2), and the safety hook (5) is used for preventing the table-board steel frame (2) from turning over relative to the connecting steel frame (3). By means of the load sensor assembly (4), the load can be tested during the process of the table-board steel frame (2) ascending or descending, and potential safety hazards caused by the unbalanced stress of the table-board steel frame (2) are prevented; and by means of the arrangement of the safety hook (5), the table-board steel frame (2) can be prevented from turning over due to external forces.

Description

Load detection mechanism and stage equipment for safety protection during stage performances

technical field

The invention relates to the technical field of stage performance equipment safety, in particular to a load detection mechanism used for safety protection during stage performance.

Background technique

With the enrichment of cultural life, people have higher and higher requirements for stage effects in performance activities. Many modern large-scale performance venues, etc., have installed various forms of stage machinery and equipment in order to produce extraordinary special effects in performing arts. , Play a finishing touch in the stage performance of the theater.

Most stage machinery and equipment are equipped with a table steel frame that can be lifted, but no special structure is set up to monitor the state of the table steel frame. If the force on both sides of the table steel frame is unbalanced during the process of rising or falling, safety accidents may easily occur.

Contents of the invention

Aiming at the above problems, the present invention proposes a load detection mechanism and stage equipment for safety protection during stage performances.

The technical scheme that the present invention takes is as follows:

A load detection mechanism for safety protection during stage performances, comprising:

table steel frame;

The connecting steel frame is located below the table steel frame, one end of the connecting steel frame is a hinged end, and the other end is a measuring end, and the hinged end of the connecting steel frame is hingedly matched with the table top steel frame;

The load sensor assembly is arranged at the measuring end and is used to detect the load of the steel frame on the table to the measuring end of the connecting steel frame;

One end of the safety hook is fixed to the steel frame of the table, and the other end is hooked to the connecting steel frame, or, one end is fixed to the connecting steel frame, and the other end is hooked to the steel frame of the table, and the safety hook is used to prevent the steel frame of the table from being connected to the steel frame. The rack rolls over.

In the load detection mechanism of the present application, the table steel frame is hinged on the connecting steel frame, and the load sensor assembly can detect the load in the process of rising or falling of the table steel frame to prevent potential safety hazards caused by unbalanced force on the table steel frame; The safety hook is provided to limit the hinged table steel frame and the connecting steel frame to prevent the table steel frame from turning over due to external force.

It should be noted that the connection steel frame mentioned in this application is not limited to all positioning under the table steel frame, but means that the main structure of the connection steel frame is located under the table steel frame. , the connecting steel frame may have a partial structure protruding from the table steel frame.

It should be noted that the "end" mentioned in this application is not limited to the end face, it can be close to the end face or even have a certain distance from the end face.

It should be noted that the steel frame in the present application only refers generally, and is not limited to steel, and may also be other materials that meet mechanical requirements.

In one embodiment of the present invention, the load sensor assembly includes a pressure sensor disposed between the table steel frame and the connecting steel frame.

In one embodiment of the present invention, the load sensor assembly further includes a screw base and a top column screw, the pressure sensor is fixed on the connecting steel frame, the screw base is fixed on the table steel frame, and the top The column screw is screwed on the screw base and the end protrudes from the screw base, and the end surface of the top column screw protruding from the screw base is in contact with the pressure sensor.

The load of the table steel frame is detected through the cooperation of the ejector screw and the pressure sensor; the thimble screw is screwed on the screw base, and the distance from which the thimble screw protrudes from the screw base can be adjusted by rotating the thimble screw, which is convenient for assembly and debugging.

In one embodiment of the present invention, the screw base has a first threaded hole and a second threaded hole, and the load sensor assembly also includes a protective screw, and the top column screw is threadedly engaged with the first threaded hole, so that The protective screw is threadedly matched with the second threaded hole. In the initial state, there is a gap between the end surface of the protective screw protruding from the screw base and the base of the pressure sensor or the connecting steel frame.

Setting the protective screw can protect the pressure sensor and prevent the pressure sensor from being damaged due to excessive pressure. That is, when the pressure sensor is stressed close to the maximum value, because the pressure sensor is deformed under pressure, the protective screw will contact the base of the pressure sensor or the connecting steel. contact with the frame, thereby sharing the force of the top column screw and preventing the top column screw from further pressing the pressure sensor.

In one embodiment of the present invention, the table top steel frame and the connecting steel frame are hingedly matched through a hinge assembly, the hinge assembly includes a support, a hinge arm and a pin, the support is fixed on the connecting steel frame, and the hinge The arm is fixed on the steel frame of the table top, the pin shaft is passed through the support and the hinge arm, and the support and the hinge arm are rotatably connected through the pin shaft.

In practice, preferably, there are two supports, and the hinge arm is located between the two supports, or there are two hinge arms, and the support is located between the two hinge arms.

In one embodiment of the present invention, the safety hook includes two frames parallel to each other and fixed to the table steel frame and a partition between the two frames, the two frames and the partition form a U-shaped groove, the The connecting steel frame is located in the U-shaped groove.

The safety hook can hook the connecting steel frame to prevent the table steel frame from turning over when the force is uneven during operation.

In one embodiment of the present invention, a load cell for measuring the pressure of the partition on the connecting steel frame is provided between the partition and the connecting steel frame.

By setting up additional pressure sensors, it is possible to better detect the force on the steel frame of the table. For example, when the value measured by the pressure sensor exceeds the threshold, it indicates that the force on the safety hook is relatively large and there is a safety hazard.

In one embodiment of the present invention, the connecting steel frame includes two parallel installation rods, the first ends of the two installation rods are installed with the hinge assembly, and the second ends of the two installation rods are installed with the load sensing assembly.

The present application also discloses a stage equipment, including a driving device and the above-mentioned load detection mechanism; the driving device is used to drive the connecting steel frame to reciprocate up and down.

When the stage equipment is working, the load sensor component detects the load on the steel frame of the table, and through the data analysis of the measured load value, and then controls the driving device to work, this method can effectively improve safety.

In one embodiment of the present invention, an inclination sensor is installed on the edge of the table steel frame.

In actual use, there will be requirements for the edge inclination of the table steel frame. For example, the edge inclination should not be greater than 5mm. By setting the inclination sensor, the data can be collected to convert the inclination distance. safety.

The beneficial effects of the present invention are: in the load detection mechanism of the present application, the table steel frame is hinged on the connecting steel frame, and the load in the process of rising or falling of the table steel frame can be detected through the load sensor assembly, so as to prevent the table steel frame from being stressed. Potential safety hazards caused by balance; by setting safety hooks, the mutually hinged table steel frames and connecting steel frames can be restricted to prevent the table steel frames from being turned over by external forces.

Description of drawings:

Fig. 1 is the structural representation of embodiment 1 stage equipment;

Fig. 2 is the partial side view of embodiment 1 stage equipment;

Fig. 3 is the top view of the load detection mechanism of embodiment 1;

Fig. 4 is the front view of the load detection mechanism of embodiment 1;

Fig. 5 is A-A sectional view of Fig. 4;

Fig. 6 is the B-B sectional view of Fig. 4;

Figure 7 is an enlarged view at C of Figure 4;

Fig. 8 is the schematic diagram of embodiment 1 safety hook and connecting steel frame;

9 is a schematic structural view of the hinge assembly of Embodiment 1;

Fig. 10 is an enlarged view at the D place of Fig. 6;

Fig. 11 is a schematic diagram of the safety hook and the connecting steel frame in Embodiment 2.

Each reference mark in the figure is:

1. Driving device; 2. Table steel frame; 3. Connecting steel frame; 4. Load sensor assembly; 5. Safety hook; 6. Hinge assembly; 7. Pressure sensor; 8. Screw base; 9. Top column screw; 10. Protective screw rod; 11. Frame; 12. Partition plate; 13. Hinge arm; 14. Support; 15. Pin shaft; 16. Pressure sensor; 17. Mounting rod;

detailed description:

Below in conjunction with each accompanying drawing, the present invention is described in detail.

Example 1

As shown in Figures 1 and 2, the present embodiment discloses a stage equipment, including a driving device 1 and a load detection mechanism for safety protection during stage performances. Load detection mechanism for safety protection during stage performances, including:

Mesa steel frame 2;

The connecting steel frame 3 is located below the table steel frame 2, one end of the connecting steel frame 3 is a hinged end, and the other end is a measuring end, and the hinged end of the connecting steel frame 3 is hingedly matched with the table steel frame 2;

The load sensor assembly 4 is arranged at the measuring end, and is used to detect the load on the measuring end of the steel frame 2 connecting the steel frame 3 on the table;

Safety hook 5, one end is fixed to the table steel frame 2, and the other end is hooked to the connecting steel frame 3, or, one end is fixed to the connecting steel frame 3, and the other end is hooked to the table steel frame 2, and the safety hook 5 is used to prevent the table steel frame from 2 relative to the connecting steel frame 3 rollover.

In the load detection mechanism of the present application, the table steel frame 2 is hinged on the connecting steel frame 3, and the load during the rising or falling process of the table steel frame 2 can be detected through the load sensor assembly 4, so as to prevent the table steel frame 2 from being unbalanced in force. Potential safety hazards; by setting the safety hook 5, the mutually hinged table steel frame 2 and the connecting steel frame 3 can be limited to prevent the table steel frame 2 from being turned over by external force.

It should be noted that the connection steel frame 3 mentioned in this application is not limited to be positioned under the table steel frame 2, but refers to that the main structure of the connection steel frame 3 is located at the bottom of the table steel frame 2. Below, in actual use, the connecting steel frame 3 may have a partial structure protruding from the steel frame 2 on the table.

As shown in FIG. 1 , the driving device 1 is used to drive the connecting steel frame 3 to reciprocate up and down. When the stage equipment is working, the load sensor assembly 4 detects the load on the table steel frame 2, and then controls the driving device 1 to work by performing data analysis on the measured load value, which can effectively improve safety.

As shown in FIGS. 3 , 4 , 5 and 7 , in this embodiment, the load sensor assembly 4 includes a pressure sensor 7 arranged between the table steel frame 2 and the connecting steel frame 3 .

As shown in Figures 3, 4, 5 and 7, in this embodiment, the load sensor assembly 4 also includes a screw base 8 and a top column screw 9, the pressure sensor 7 is fixed on the connecting steel frame 3, and the screw base is fixed on On the table top steel frame 2 , the top column screw 9 is screwed on the screw base and the end protrudes from the screw base, and the end face of the top column screw 9 protruding from the screw base is in contact with the pressure sensor 7 .

The load of the table steel frame 2 is detected through the cooperation of the ejector screw 9 and the pressure sensor 7; the thimble screw is screwed on the screw base 8, and the distance from the thimble screw protruding from the screw base 8 can be adjusted by rotating the thimble screw, which is convenient for assembly and debug.

As shown in Figures 3, 4, 5 and 7, in this embodiment, the screw base has a first threaded hole (not marked in the figure) and a second threaded hole (not marked in the figure), and the load sensor assembly 4 is also Including the protective screw 10, the top column screw 9 is threaded with the first threaded hole, and the protective screw 10 is threaded with the second threaded hole. In the initial state, the protective screw 10 protrudes from the end surface of the screw base and the base of the pressure sensor 7 Or the connecting steel frame 3 has a gap 18 .

Setting the protective screw 10 can protect the pressure sensor 7 and prevent the pressure sensor 7 from being damaged due to excessive pressure. The base of 7 or the connecting steel frame 3 contacts, thereby sharing the force of the top column screw 9, preventing the top column screw 9 from further pressing the pressure sensor 7.

As shown in Figures 3, 4, 6, 9 and 10, in this embodiment, the table steel frame 2 and the connecting steel frame 3 are articulated through a hinge assembly 6, and the hinge assembly 6 includes a support 14, a hinge arm 13 and a pin 15. The support 14 is fixed on the connecting steel frame 3, the hinge arm 13 is fixed on the table steel frame 2, the pin shaft 15 is installed on the support 14 and the hinge arm 13, and the support 14 and the hinge arm 13 pass through the pin shaft 15 Turn to connect.

In practice, preferably, there are two supports 14 and the hinge arm 13 is located between the two supports 14 , or there are two hinge arms 13 and the support 14 is located between the two hinge arms 13 .

As shown in Figures 7 and 8, in this embodiment, the safety hook 5 includes two frames 11 that are parallel to each other and fixed to the table steel frame 2 and a partition 12 between the two frames 11, the two frames 11 and The partition plate 12 forms a U-shaped groove, and the connecting steel frame 3 is located in the U-shaped groove. The safety hook 5 can hook the connecting steel frame 3 to prevent the table top steel frame 2 from turning over when the force is uneven during operation.

As shown in Figure 3, in this embodiment, the connecting steel frame 3 includes two parallel installation rods 17, the first ends of the two installation rods 17 are equipped with the hinge assembly 6, the second ends of the two installation rods 17 Both ends are equipped with load sensing components.

Example 2

As shown in FIG. 11 , the difference between this embodiment and Embodiment 1 is that a load cell 16 for measuring the pressure of the partition 12 on the connecting steel frame 3 is provided between the partition 12 and the connecting steel frame 3 . By arranging an additional pressure sensor 7, it is possible to better detect the stress on the table steel frame 2. For example, when the value measured by the pressure sensor 16 exceeds a threshold, it indicates that the safety hook 5 is stressed and there is a potential safety hazard.

Example 3

The difference between this embodiment and embodiment 1 or embodiment 2 is that an inclination sensor is installed on the edge of the table steel frame 2 . In actual use, there will be requirements for the edge inclination of the table steel frame 2. For example, the edge inclination cannot be greater than 5mm. By setting the inclination sensor, the data can be collected to convert the inclination distance. Improve security.

The above is only a preferred embodiment of the present invention, and does not limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings is directly or indirectly used in other related technical fields. All are equally included in the scope of protection of the present invention.

Claims

A load detection mechanism for safety protection during stage performances, characterized in that it includes:

table steel frame;

The connecting steel frame is located below the table steel frame, one end of the connecting steel frame is a hinged end, and the other end is a measuring end, and the hinged end of the connecting steel frame is hingedly matched with the table top steel frame;

The load sensor assembly is arranged at the measuring end and is used to detect the load of the steel frame on the table to the measuring end of the connecting steel frame;

One end of the safety hook is fixed to the steel frame of the table, and the other end is hooked to the connecting steel frame, or, one end is fixed to the connecting steel frame, and the other end is hooked to the steel frame of the table, and the safety hook is used to prevent the steel frame of the table from being connected to the steel frame. The rack rolls over.
The load detection mechanism for safety protection during stage performance according to claim 1, wherein the load sensor assembly includes a pressure sensor arranged between the table steel frame and the connecting steel frame.
The load detection mechanism used for safety protection during stage performances according to claim 2, wherein the load sensor assembly also includes a screw base and a top column screw, and the pressure sensor is fixed on the connecting steel frame, The screw base is fixed on the table steel frame, the top column screw is screwed on the screw base and the end protrudes from the screw base, the end surface of the top column screw protrudes from the screw base and the Pressure sensor contacts.
The load detection mechanism for safety protection during stage performances according to claim 3, wherein the screw base has a first threaded hole and a second threaded hole, and the load sensor assembly also includes a protective screw , the top column screw is threaded with the first threaded hole, and the protective screw is threaded with the second threaded hole. In the initial state, the end surface of the protective screw protruding from the screw base is connected to the base or the pressure sensor The steel frame has gaps.
The load detection mechanism used for safety protection during stage performances according to claim 1, wherein the table steel frame and the connecting steel frame are hingedly matched through a hinge assembly, and the hinge assembly includes a support, a hinge arm and a pin shaft , the support is fixed on the connecting steel frame, the hinge arm is fixed on the table steel frame, the pin is passed through the support and the hinge arm, and the support and the hinge arm are rotatably connected by a pin.
The load detection mechanism for safety protection during stage performance as claimed in claim 1, wherein the safety hook comprises two frames parallel to each other and fixed to the steel frame of the table and a spacer between the two frames. The plate, the two frames and the partition form a U-shaped channel, and the connecting steel frame is located in the U-shaped channel.
The load detection mechanism for safety protection during stage performance according to claim 6, wherein a pressure sensor for measuring the pressure of the partition on the connecting steel frame is arranged between the partition and the connecting steel frame.
The load detection mechanism used for safety protection during stage performances according to claim 5, wherein the connecting steel frame includes two installation rods parallel to each other, and the first ends of the two installation rods are installed with As for the hinge assembly, the load sensing assembly is installed on the second ends of the two installation rods.
A stage equipment, characterized in that it comprises a driving device and the load detection mechanism according to any one of claims 1-8; the driving device is used to drive the connecting steel frame to reciprocate up and down.
The stage equipment according to claim 9, wherein an inclination sensor is installed on the edge of the table steel frame.