CN113109065B - Static load test bench and test method - Google Patents

Abstract

The invention relates to a static load test bed and a test method. The static load test bed comprises a main frame body, a hanging adjusting device and a power loading device. The hanging adjusting device comprises an upper guide wheel set and a lower guide wheel set, wherein the upper guide wheel set is arranged on the upper part of the main frame body and can move along a first direction. The lower guide wheel group is arranged at the lower part of the main frame body and can move along the first direction. The safety parameters such as strength, stress, deformation and the like of the mechanical structure of the traction machine to be tested are tested by simulating the bearing stress condition of the traction machine to be tested under the actual operation working condition, so that the guiding parameters are provided for the mechanical structure design of the traction machine, and the mechanical safety performance of the traction machine is ensured to meet the standard requirements. The positions of the upper guide wheel set and the lower guide wheel set are adjusted along the first direction, so that the hanging mode of the traction rope is changed, the installation modes of vertical downward pulling, upward pulling, wrap angle downward pulling and the like of the traction wheel of the traction machine are met, the static load test of different traction machines is applicable, the universality is strong, and meanwhile, the cost is saved.

Description

Static load test bench and test method

Technical Field

The present invention relates to the technical field of elevators, and in particular to a static load test bench and a test method.

Background Art

With the development of modern urbanization, there are more and more high-rise buildings. Elevators, as essential transportation equipment in high-rise buildings, facilitate people's travel. As a power component, the traction machine plays an important role in the safe operation of the elevator. In order to ensure the safety of the traction machine during use, it is necessary to test the traction machine.

Usually, software simulation is used to calculate the strength and deformation of the mechanical structure of the traction machine after bearing the load. However, the test results obtained by software simulation are somewhat different from the actual working condition data of the traction machine, and the accuracy is low.

Summary of the invention

Based on this, it is necessary to provide a static load test bench and test method to improve the test accuracy.

A static load test bench, comprising:

A main frame, wherein the main frame is a frame structure;

A suspension adjustment device, the suspension adjustment device comprising an upper guide wheel group and a lower guide wheel group, the upper guide wheel group is arranged at the upper part of the main frame, the lower guide wheel group is arranged at the lower part of the main frame, and the upper guide wheel group and the lower guide wheel group can move along a first direction; and

A power loading device is used to connect the traction rope and provide loading force.

In one embodiment, the suspension adjustment device further includes a first driving mechanism and a second driving mechanism disposed on the main frame, the first driving mechanism being used to drive the upper guide wheel group to move along the first direction, and the second driving mechanism being used to drive the lower guide wheel group to move along the first direction;

The first driving mechanism includes a first driving motor and a first adjusting screw connected to the first driving motor, the first adjusting screw is arranged along the first direction, and the upper guide wheel group is threadedly connected to the first adjusting screw; and/or, the second driving mechanism includes a second driving motor and a second adjusting screw connected to the second driving motor, the second adjusting screw is arranged along the first direction, and the lower guide wheel group is threadedly connected to the second adjusting screw.

In one embodiment, the static load test bench also includes a control device, a first displacement detector for detecting the displacement of the upper guide wheel group, and a second displacement detector for detecting the lower guide wheel group, and the control device is respectively connected to the first displacement detector, the second displacement detector, the first drive mechanism and the second drive mechanism.

In one embodiment, the suspension adjustment device also includes an outer guide wheel group fixed to the upper part of the main frame, and the outer guide wheel group is arranged on both sides of the upper guide wheel group in the first direction. The power loading device is provided with at least two, and at least two of the power loading devices are arranged corresponding to the outer guide wheel group; at least two of the power loading devices can work independently.

In one embodiment, the power loading device includes a third driving mechanism, a sensor and a fixed seat for fixing the traction rope, and the fixed seat is connected to the third driving mechanism through the sensor; the fixed seat includes a seat body, a fixed shaft and a protrusion arranged on the seat body, and the protrusion is provided with at least two, at least two of the protrusions are opposite and spaced apart, and the protrusion is provided with a fixing hole adapted to the fixed shaft, and the fixed shaft passes through the fixing hole and is connected to the protrusion.

In one embodiment, the static load test bench further includes a guide rail and a mounting seat for mounting the traction machine to be tested, the guide rail is arranged on the main frame and arranged along the second direction, and the mounting seat is slidably arranged on the guide rail.

In one embodiment, the mounting seat includes a mounting plate and a seat body, the seat body is slidably disposed on the guide rail, and the mounting plate is detachably mounted on the top of the seat body.

In one embodiment, the static load test bench also includes a fourth drive mechanism, which is used to drive the mounting seat to move along the second direction; the fourth drive mechanism also includes a third drive motor and a third adjusting screw connected to the third drive motor, the third adjusting screw is arranged along the second direction, and the mounting seat is threadedly connected to the third adjusting screw.

In one embodiment, the main frame is provided with an opening on the side in the first direction, and the top of the main frame is provided with a notch communicating with the opening.

A static load test method, providing the static load test bench, specifically comprises the following steps:

Install the traction machine to be tested;

Pass the traction rope around the traction machine to be tested, and selectively pass it around the upper guide wheel group and the lower guide wheel group according to the test requirements, and connect the end of the traction rope to the power loading device;

Selectively adjust the positions of the upper guide wheel group and the lower guide wheel group according to test requirements;

The power loading device loads the load according to the test requirements;

Collect data.

The above-mentioned static load test bench and static load test method install the traction machine to be tested, pass the traction rope around the traction machine to be tested, and selectively pass around the upper guide wheel group and the lower guide wheel group according to the test requirements, and connect the end of the traction rope to the power loading device. Selectively adjust the position of the upper guide wheel group and the lower guide wheel group according to the test requirements. The power loading device loads the load amount according to the test requirements and collects data, so that the static load test of the traction machine can be completed. By simulating the load-bearing and stress conditions of the traction machine to be tested under actual operating conditions, the strength, stress, deformation and other safety parameters of the mechanical structure of the traction machine to be tested when it is loaded and stressed are tested, providing guidance parameters for the mechanical structure design of the traction machine, ensuring that the mechanical safety performance of the traction machine meets the standard requirements, and improving the accuracy of the test. Furthermore, since the upper guide wheel group and the lower guide wheel group can move along the first direction, the traction rope hanging method of the traction machine to be tested can be changed by adjusting the positions of the upper guide wheel group and the lower guide wheel group along the first direction, so that the static load test bench can meet the installation methods of vertical pull-down, pull-up, and angle pull-down of the traction wheel of the traction machine, and is suitable for static load tests of different traction machines, with strong versatility and cost savings.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic structural diagram of a static load test bench according to an embodiment of the present invention;

FIG2 is a schematic structural diagram of the static load test bench shown in FIG1 from another perspective;

FIG3 is a front view of the traction machine static load test bench shown in FIG1 ;

FIG4 is a partial schematic diagram of the mounting base shown in FIG1 ;

FIG5 is a schematic structural diagram of the power loading device shown in FIG1 ;

FIG6 is a partial enlarged schematic diagram of the power loading device shown in FIG5 ;

FIG7 is a schematic diagram 1 of the adjustment principle of the static load test bench shown in FIG1 ;

FIG8 is a second schematic diagram of the adjustment principle of the static load test bench shown in FIG1 ;

FIG. 9 is a third schematic diagram of the adjustment principle of the static load test bench shown in FIG. 1 .

Description of the drawings: 10. Main frame; 11. Opening; 12. Notch; 20. Suspension adjustment device; 21. Upper guide wheel group; 22. Outer guide wheel group; 23. Lower guide wheel group; 24. First drive mechanism; 241. First drive motor; 242. First adjusting screw rod; 25. Second drive mechanism; 251. Second drive motor; 252. Second adjusting screw rod; 30. Power loading device; 31. Third drive mechanism; 32. Sensor; 33. Fixed seat; 331. Seat body; 332. Fixed shaft; 333. Protrusion; 40. Control device; 50. Guide rail; 60. Mounting seat; 61. Seat body; 62. Mounting plate; 70. Fourth drive mechanism; 71. Third drive motor; 72. Third adjusting screw rod; 80. Traction machine; 90. Traction rope.

DETAILED DESCRIPTION

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

Please refer to Figures 1 and 2. A static load test bench according to an embodiment of the present invention includes a main frame 10, a suspension adjustment device 20, and a power loading device 30. The main frame 10 is a frame structure. The suspension adjustment device 20 includes an upper guide wheel group 21 and a lower guide wheel group 23. The upper guide wheel group 21 is arranged at the upper part of the main frame 10 and can move in a first direction. The lower guide wheel group 23 is arranged at the lower part of the main frame 10 and can move in a first direction. The power loading device 30 is used to connect the traction rope 90 and provide a loading force.

It should be noted that the first direction refers to the length direction of the main frame 10 .

The above-mentioned static load test bench is installed with the traction machine 80 to be tested, and the traction rope 90 is passed around the traction machine 80 to be tested. It can selectively pass around the upper guide wheel group 21 and the lower guide wheel group 23 according to the test requirements, and the end of the traction rope 90 is connected to the power loading device 30. The positions of the upper guide wheel group 21 and the lower guide wheel group 23 are selectively adjusted according to the test requirements. The power loading device 30 loads the load amount according to the test requirements and collects data, so that the static load test of the traction machine can be completed. By simulating the load-bearing and stress-bearing conditions of the traction machine 80 to be tested under actual operating conditions, the strength, stress, deformation and other safety parameters of the mechanical structure of the traction machine 80 to be tested when bearing loads and stresses are tested, providing guidance parameters for the mechanical structure design of the traction machine, and ensuring that the mechanical safety performance of the traction machine meets the standard requirements. Furthermore, since the upper guide wheel group 21 and the lower guide wheel group 23 can move along the first direction, the hanging method of the traction rope 90 can be changed by adjusting the positions of the upper guide wheel group 21 and the lower guide wheel group 23 along the first direction, so that the static load test bench can meet the installation methods of vertical pull-down, pull-up, and angle pull-down of the traction wheel of the traction machine, and is suitable for static load tests of different traction machines, with strong versatility and cost savings.

In one embodiment, referring to FIG. 3 , the suspension adjustment device 20 further includes a first driving mechanism 24 and a second driving mechanism 25 disposed on the main frame 10 , wherein the first driving mechanism 24 is used to drive the upper guide wheel group 21 to move along the first direction, and the second driving mechanism 25 is used to drive the lower guide wheel group 23 to move along the first direction. Thus, by starting the first driving mechanism 24 and the second driving mechanism 25 , the positions of the upper guide wheel group 21 and the lower guide wheel group 23 can be automatically adjusted accordingly, thereby improving work efficiency and reducing manual labor intensity.

Optionally, referring to FIG. 3 , the first drive mechanism 24 includes a first drive motor 241 and a first adjusting screw rod 242 connected to the first drive motor 241 , the first adjusting screw rod 242 is arranged along the first direction, and the upper guide wheel group 21 is threadedly connected to the first adjusting screw rod 242 . Specifically, the first drive motor 241 is arranged on the upper part of the main frame 10 through a fixed seat. When a static load test is required, the first drive motor 241 is started, and the first drive motor 241 drives the first adjusting screw rod 242 to rotate, thereby driving the upper guide wheel group 21 to make a linear motion along the first direction, so as to realize the automatic adjustment of the position of the upper guide wheel group 21 , improve work efficiency, and reduce manual labor intensity. Moreover, the first drive motor 241 cooperates with the first adjusting screw rod 242, which can not only quickly adjust the position of the upper guide wheel group 21 and improve efficiency, but also has high adjustment accuracy and is convenient to use. Of course, in other embodiments, the first drive mechanism 24 can also use pneumatic transmission, hydraulic transmission and other methods to adjust the position of the upper guide wheel group 21 .

Optionally, referring to FIG. 3 , the second drive mechanism 25 includes a second drive motor 251 and a second adjusting screw rod 252 connected to the second drive motor 251, the second adjusting screw rod 252 is arranged along the first direction, and the lower guide wheel group 23 is threadedly connected to the second adjusting screw rod 252. Specifically, the second drive motor 251 is arranged at the bottom of the main frame 10 through a fixed seat. When a static load test is required, the second drive motor 251 is started, and the second drive motor 251 drives the second adjusting screw rod 252 to rotate, thereby driving the lower guide wheel group 23 to make a linear motion along the first direction, so as to realize the automatic adjustment of the position of the lower guide wheel group 23, improve work efficiency, and reduce manual labor intensity. In addition, the second drive motor 251 cooperates with the second adjusting screw rod 252, which can not only quickly adjust the position of the lower guide wheel group 23, improve efficiency, but also has high adjustment accuracy and is convenient to use. Of course, in other embodiments, the second drive mechanism 25 can also use pneumatic transmission, hydraulic transmission and other methods to adjust the position of the lower guide wheel group 23.

Further, referring to FIG. 2 and FIG. 3 , the static load test bench also includes a control device 40, a first displacement detector and a second displacement detector, wherein the first displacement detector is used to detect the displacement of the upper guide wheel group 21, and the second displacement detector is used to detect the displacement of the lower guide wheel group 23. The control device 40 is respectively connected to the first displacement detector, the second displacement detector, the first drive mechanism 24 and the second drive mechanism 25. Specifically, the first displacement detector is arranged at a position of the main frame 10 corresponding to the upper guide wheel group 21, and the second displacement detector is arranged at a position of the main frame 10 corresponding to the lower guide wheel group 23. In this way, during the process of adjusting the positions of the upper guide wheel group 21 and the lower guide wheel group 23, the first displacement detector detects the displacement of the upper guide wheel group 21 in real time, and the second displacement detector detects the displacement of the lower guide wheel group 23 in real time, and sends the displacement to the control device 40, and the control device 40 controls the operation of the first drive mechanism 24 and the second drive mechanism 25 according to the displacement.

Optionally, the first displacement detector and the second displacement detector are limit switches, infrared rangefinders, etc.

Specifically, the control device 40 is provided with a control button, through which the magnitude of the output force of the power loading device, etc. is controlled. In addition, the control device 40 is also provided with a remote operation handle to facilitate remote operation.

In one embodiment, referring to FIG. 1 and FIG. 3 , the suspension adjustment device 20 further includes an outer guide wheel group 22 fixed to the upper portion of the main frame 10, and the outer guide wheel group 22 is arranged on both sides of the upper guide wheel group 21 in the first direction. At least two power loading devices 30 are provided, and at least two power loading devices 30 are arranged corresponding to the outer guide wheel group 22. In this way, during the static load test, the traction rope 90 bypasses the traction machine 80 to be tested, and selectively bypasses the upper guide wheel group 21, the outer guide wheel group 22 and the lower guide wheel group 23. The two ends of the traction rope 90 are respectively fixed to the two power loading devices 30, and the two power loading devices 30 provide loading force to simulate the load-bearing and stress conditions of the traction machine 80 to be tested under actual operating conditions.

It should be noted that under actual working conditions, the load capacity on both sides of the traction machine 80 to be tested is different. Specifically, the two power loading devices 30 can work independently; the two power loading devices 30 are connected to the control device 40, and the control device 40 controls the two power loading devices 30 separately. In this way, during the static load test, the two power loading devices 30 are controlled separately and do not affect each other. Among them, the rated value of the two power loading devices 30 is 6 tons, and the upper limit is 8 tons.

In one embodiment, referring to FIG. 5 and FIG. 7 , the power loading device 30 includes a third driving mechanism 31, a sensor 32, and a fixing seat 33 for fixing the traction rope 90, and the fixing seat 33 is connected to the third driving mechanism 31 through the sensor 32. Specifically, the sensor 32 is mounted on the power output end of the third driving mechanism 31 through a fastener, and the fixing seat 33 is mounted on the sensor 32 through a fastener. In this way, during the static load test, the traction rope 90 is fixed to the fixing seat 33, and the third driving mechanism 31 outputs the loading force according to the load-bearing and stress-bearing conditions in the actual working condition of the traction machine 80 to be tested, and the loading force is collected through the sensor 32.

Optionally, the third driving mechanism 31 includes a hydraulic cylinder and an auxiliary structure. Of course, in other embodiments, the third driving mechanism 31 may also be other devices with the same function, such as an electric cylinder, etc., but is not limited thereto.

Specifically, the control device 40 further includes a display, and the sensor 32 is respectively connected to the display and the control element of the control device 40. Thus, during the static load test, the control element controls the third drive mechanism 31 to output a corresponding loading force according to a preset value, and the sensor 32 collects the loading force output by the third drive mechanism 31 and transmits the loading force to the display, which displays the loading force.

Further, referring to FIG. 5 and FIG. 6 , the fixed seat 33 includes a seat body 331, a fixed shaft 332, and a convex body 333 provided on the seat body 331. The convex body 333 is provided with at least two, and at least two convex bodies 333 are arranged oppositely and at intervals. The convex body 333 is provided with a fixing hole adapted to the fixed shaft 332, and the fixed shaft 332 passes through the fixing hole and is connected to the convex body 333. In this way, the traction rope 90 is hung around the fixed shaft 332, and the traction rope 90 is locked and fixed by a fixing clamp, so that the traction rope 90 is fixed on the fixed seat 33, which is firm, reliable, and easy to operate. Of course, in other embodiments, a through hole for the traction rope 90 to pass through can also be provided on the fixed seat 33; or, the fixed seat 33 is provided on a clamp, and the traction rope 90 is fixed by the clamp.

In one embodiment, referring to FIG. 2 and FIG. 4 , the static load test bench further includes a guide rail 50 and a mounting seat 60 for mounting the traction machine 80 to be tested, wherein the guide rail 50 is arranged on the main frame 10 and arranged along the second direction, and the mounting seat 60 is slidably arranged on the guide rail 50. In this way, during the static load test, the mounting seat 60 is moved along the second direction so that the mounting seat 60 moves to the end of the guide rail 50, that is, the edge position of the main frame 10, so as to facilitate the installation of the traction machine 80 to be tested. Then, the mounting seat 60 is moved in the reverse direction to send the mounting seat 60 to the position required for the test. Moreover, according to the different hanging centers of the traction machine 80 to be tested, the position of the mounting seat 60 is adjusted to be applicable to the static load test of different traction machines 80, which has strong versatility and can also improve the accuracy and reliability of the static load test.

It should be noted that the second direction refers to the width direction of the main frame 10 , and it can also be understood that the second direction is a direction perpendicular to the first direction.

Optionally, the guide rail 50 is a dovetail groove guide rail, and the mounting seat 60 is slidably matched with the dovetail groove guide rail. In this way, the mounting seat 60 and the dovetail groove guide rail are in surface contact, and its bearing capacity is large, and it can withstand a heavier traction machine 80. Of course, the guide rail 50 can also be a linear guide rail.

Further, referring to FIG. 4 , the mounting seat 60 includes a mounting plate 62 and a seat body 61, wherein the seat body 61 is slidably disposed on the guide rail 50, and the mounting plate 62 is detachably mounted on the top of the seat body 61. Specifically, the traction machine to be tested is detachably mounted on the mounting plate 62 by fasteners; wherein the fasteners are bolts, screws, etc. In this way, different mounting plates 62 can be replaced for traction machines of different models to meet the installation of traction machines of different types and specifications, and the versatility is strong.

Optionally, the mounting plate 62 is provided with a mounting hole. During installation, a fastener is inserted into the mounting hole, and the mounting plate 62 is detachably mounted on the seat body 61 through the fastener. Alternatively, a mounting groove is provided on the top of the seat body 61, and a convex block adapted to the mounting groove is correspondingly provided on the mounting plate 62, and the convex block is provided in the mounting groove to achieve a detachable connection between the mounting plate 62 and the seat body 61. Alternatively, a mounting groove is provided on the top of the mounting plate 62, and a convex block adapted to the mounting groove is correspondingly provided on the seat body 61, and the convex block is provided in the mounting groove.

In one embodiment, referring to Figures 2 and 4, the static load test bench further includes a fourth driving mechanism 70, which is used to drive the mounting seat 60 to move along the second direction. Thus, when the fourth driving mechanism 70 is started, the fourth driving mechanism 70 can automatically adjust the position of the mounting seat 60, thereby improving work efficiency and reducing manual labor intensity.

Optionally, referring to Fig. 2 and Fig. 4, the fourth driving mechanism 70 includes a third driving motor 71 and a third adjusting screw 72 connected to the third driving motor 71, the third adjusting screw 72 is arranged along the second direction, and the mounting seat 60 is threadedly connected to the third adjusting screw 72. When the test is needed, the third driving motor 71 is started, and the third driving motor 71 drives the third adjusting screw 72 to rotate, thereby driving the mounting seat 60 to make a linear motion along the second direction, so as to realize the automatic adjustment of the position of the mounting seat 60, improve the work efficiency, and reduce the labor intensity. In addition, the third driving motor 71 is used in conjunction with the third adjusting screw 72, so that the position of the mounting seat 60 can be adjusted quickly, the efficiency is improved, and the adjustment precision is high, and it is convenient to use. Of course, in other embodiments, the fourth driving mechanism 70 can also use pneumatic transmission, hydraulic transmission and other methods to adjust the position of the mounting seat 60.

Further, referring to FIG. 2 and FIG. 4 , the static load test bench also includes a third displacement detector, which is used to detect the displacement of the mounting seat 60; the control device 40 is also connected to the third displacement detector and the fourth drive mechanism 70. Specifically, the third displacement detector is arranged at the position of the main frame 10 corresponding to the mounting seat 60, and the control device 40 is connected to the third drive motor 71. In this way, during the movement of the mounting seat 60, the third displacement detector detects the displacement of the mounting seat 60 in real time, and sends the displacement to the control device 40, and the control device 40 controls the operation of the fourth drive mechanism 70 according to the displacement. Among them, the third displacement detector is a limit switch, an infrared rangefinder, etc.

In one embodiment, referring to Fig. 1 and Fig. 2, the main frame 10 is provided with an opening 11 on the side along the first direction, and the top of the main frame 10 is provided with a notch 12 connected to the opening 11. In this way, during the static load test, the mounting seat 60 is slid to move the mounting seat 60 to the edge of the main frame 10 and to be located directly below the notch 12, and the hoisting equipment is used to hoist the traction machine 80 to be tested onto the mounting seat 60 from the opening 11 and the notch 12, so as to facilitate the installation of the traction machine 80 to be tested.

Specifically, the main frame 10 is a frame body formed by assembling I-beams and channel steels to ensure that the static load test bench has a good load-bearing capacity. In addition, the main frame 10 also includes a connecting plate, which is connected to the frame body to achieve the function of connection reinforcement.

A static load test method provided in one embodiment of the present invention provides a static load test bench of any of the above examples, specifically comprising the following steps:

S100, installing the traction machine 80 to be tested;

S200, the traction rope 90 is passed around the traction machine 80 to be tested, and selectively passed around the upper guide wheel group 21 and the lower guide wheel group 23 according to the test requirements, and the end of the traction rope 90 is connected to the power loading device 30;

S300, selectively adjusting the positions of the upper guide wheel assembly 21 and the lower guide wheel assembly 23 according to test requirements;

S400, the power loading device 30 loads the load according to the test requirements;

S500: Collect data.

The above-mentioned static load test method simulates the load-bearing and stress-bearing conditions of the traction machine 80 to be tested under actual operating conditions, tests the strength, stress, deformation and other safety parameters of the mechanical structure of the traction machine 80 to be tested when it is loaded and stressed, provides guidance parameters for the mechanical structure design of the traction machine, and ensures that the mechanical safety performance of the traction machine meets the standard requirements. In addition, since the upper guide wheel group 21 and the lower guide wheel group 23 can move along the first direction, the position of the upper guide wheel group 21 and the lower guide wheel group 23 can be adjusted along the first direction, and the hanging mode of the traction rope 90 can be changed, so that the static load test bench can meet the installation modes of the traction wheel of the traction machine such as vertical pull-down, pull-up, and angle pull-down, and is suitable for static load tests of different traction machines, saving costs.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims (10)

1. A static load test bench, comprising: A main frame, wherein the main frame is a frame structure; A suspension adjustment device, the suspension adjustment device comprises an upper guide wheel group and a lower guide wheel group, the upper guide wheel group is arranged at the upper part of the main frame, the lower guide wheel group is arranged at the lower part of the main frame, the upper guide wheel group and the lower guide wheel group can move along a first direction; the suspension adjustment device also comprises a first driving mechanism and a second driving mechanism arranged at the main frame, the first driving mechanism is used to drive the upper guide wheel group to move along the first direction, the second driving mechanism is used to drive the lower guide wheel group to move along the first direction, and the first direction is the length direction of the main frame; A power loading device, which is used to connect the traction rope and provide loading force; the power loading device includes a third driving mechanism, a sensor and a fixing seat for fixing the traction rope, and the fixing seat is connected to the third driving mechanism through the sensor. 2. The static load test bench according to claim 1, characterized in that: The first driving mechanism includes a first driving motor and a first adjusting screw connected to the first driving motor, the first adjusting screw is arranged along the first direction, and the upper guide wheel group is threadedly connected to the first adjusting screw; and/or, the second driving mechanism includes a second driving motor and a second adjusting screw connected to the second driving motor, the second adjusting screw is arranged along the first direction, and the lower guide wheel group is threadedly connected to the second adjusting screw. 3. The static load test bench according to claim 2 is characterized in that the static load test bench also includes a control device, a first displacement detector for detecting the displacement of the upper guide wheel group, and a second displacement detector for detecting the lower guide wheel group, and the control device is respectively connected to the first displacement detector, the second displacement detector, the first drive mechanism and the second drive mechanism. 4. The static load test bench according to claim 1 is characterized in that the suspension adjustment device also includes an outer guide wheel group fixed to the upper part of the main frame, and the outer guide wheel group is arranged on both sides of the upper guide wheel group in the first direction. The power loading device is provided with at least two, and at least two of the power loading devices are arranged corresponding to the outer guide wheel group; at least two of the power loading devices can work independently. 5. The static load test bench according to claim 1, characterized in that: The fixed seat includes a seat body, a fixed shaft and a convex body arranged on the seat body, at least two convex bodies are provided, at least two convex bodies are arranged opposite to each other and at intervals, the convex body is provided with a fixing hole adapted to the fixed shaft, the fixed shaft passes through the fixing hole and is connected to the convex body. 6. The static load test bench according to claim 1 is characterized in that the static load test bench also includes a guide rail and a mounting seat for mounting the traction machine to be tested, the guide rail is arranged on the main frame and arranged along the second direction, the mounting seat is slidably arranged on the guide rail, and the second direction is the width direction of the main frame. 7. The static load test bench according to claim 6 is characterized in that the mounting seat comprises a mounting plate and a seat body, the seat body is slidably disposed on the guide rail, and the mounting plate is detachably mounted on the top of the seat body. 8. The static load test bench according to claim 6, characterized in that the static load test bench further comprises a fourth driving mechanism, and the fourth driving mechanism is used to drive the mounting seat to move along the second direction; The fourth driving mechanism also includes a third driving motor and a third adjusting screw connected to the third driving motor. The third adjusting screw is arranged along the second direction, and the mounting seat is threadedly connected to the third adjusting screw. 9 . The static load test bench according to claim 1 , wherein an opening is provided on the side of the main frame in the first direction, and a notch communicating with the opening is provided on the top of the main frame. 10. A static load test method, characterized in that a static load test bench as claimed in any one of claims 1 to 9 is provided, and specifically comprises the following steps: Install the traction machine to be tested; Pass the traction rope around the traction machine to be tested, and selectively pass it around the upper guide wheel group and the lower guide wheel group according to the test requirements, and connect the end of the traction rope to the power loading device; Selectively adjust the positions of the upper guide wheel group and the lower guide wheel group according to test requirements; The power loading device loads the load according to the test requirements; Collect data.