A sidewall-seat connection assembly strength test device

Abstract

The utility model discloses a kind of side wall-seat connecting assembly strength test device, it is related to testing equipment technical field.The bottom is used to install the side wall-seat connecting assembly to be tested;The first end of loading piece can be connected with the connecting assembly for installing seat cooperation, the second end of loading piece is equipped with three second joints;First loading actuating cylinder, second loading actuating cylinder and third loading actuating cylinder can correspond to along transverse, longitudinal, vertical extension, transverse, longitudinal and vertical between two two mutually perpendicular;The first end of first loading actuating cylinder, second loading actuating cylinder and third loading actuating cylinder has first joint, and first loading actuating cylinder, second loading actuating cylinder and third loading actuating cylinder are connected with the second joint of corresponding first joint by rotation loading piece, to exert transverse, longitudinal and vertical load along side wall-seat connecting assembly to the device can be carried out strength and stiffness test to side wall-seat connecting assembly, and easy to operate when using.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field, more specifically, relate to a side wall - seat connecting assembly strength test device. BACKGROUND

[0002] The side wall connects seat to set up the setting mode for hanging seat is widely used in subway vehicles, and this hanging type arrangement of seat not only can increase the number of seat, save the carriage space, but also can increase the passenger's ride comfort.

[0003] Because installing seat on the car body side wall structure, this increases the load of car body side wall, and with the increase of load, the side wall will produce greater deformation than originally, in the complex operating environment, even possible to destroy the existing side wall structure, constitute great security risk, in order to ensure safety, usually need to check the strength of side wall and loading piece set on the side wall to install seat in the design stage, however, currently usually in the analysis and calculation of component or whole vehicle, once the theoretical calculation is wrong, it is extremely possible to bring huge economic loss, and so far there is no device that can be verified by practice.

[0004] In summary, how to provide a kind of device that can check the strength of side wall-seat connecting assembly, it is the urgent problem of the technical personnel in the prior art at present. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a kind of side wall-seat connecting assembly strength test device, by the strength test device, can be applied to side wall-seat connecting assembly with the actual load, to realize strength and rigidity test.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of side wall-seat connecting assembly strength test device, comprising:

[0008] Base, for installing the side wall-seat connecting assembly to be tested;

[0009] Loading piece, first end can be connected with the connecting assembly for installing seat of the side wall-seat connecting assembly, second end of the loading piece is equipped with three second joints;

[0010] First loading actuator that can extend along transverse direction, second loading actuator that can extend along longitudinal direction and third loading actuator that can extend along vertical direction, the transverse direction, the longitudinal direction and the vertical direction are perpendicular to each other in pairs;

[0011] The first end of the first, second and third loading cylinders each has a first joint, and the first, second and third loading cylinders are each connected to the loading member by rotating the first joint and the second joint, so as to apply a load along the transverse direction, along the longitudinal direction and along the vertical direction to the side wall-seat connecting assembly.

[0012] Preferably, the loading member has a balance portion between the first end and the second end thereof;

[0013] Further comprising a balance assembly connected to the balance portion, for applying a balance load extending along the vertical direction and towards the top to the loading member, so as to offset the load generated by the self-weight of the loading member.

[0014] Preferably, the loading member comprises two parallel vertical connecting rods, two parallel transverse connecting rods, a longitudinal connecting rod and a loading portion;

[0015] The two vertical connecting rods are capable of being connected to the structure of the seat connecting assembly of the side wall-seat connecting assembly;

[0016] The first end of the transverse connecting rod is connected to the corresponding vertical connecting rod, and the second end of the transverse connecting rod is connected to the top of the corresponding end portion of the longitudinal connecting rod;

[0017] The loading portion is located at the middle position of the side of the longitudinal connecting rod away from the vertical connecting rod, and among the three second joints provided at the loading portion, one extends along the transverse direction, another extends along the longitudinal direction, and the remaining one extends along the vertical direction.

[0018] Preferably, the vertical distance between the second joint extending along the transverse direction and the two vertical connecting rods along the longitudinal direction is equal;

[0019] The vertical distance between the second joint extending along the vertical direction and the two vertical connecting rods along the longitudinal direction is equal;

[0020] The lengths of the two vertical connecting rods are equal, the top ends of the two vertical connecting rods are collinear along the longitudinal direction, and the distance between the second joint extending along the longitudinal direction and the top ends of the two vertical connecting rods is equal to 4 / 5 of the length of the vertical connecting rod.

[0021] Preferably, the base has a load-bearing column for mounting the side wall-seat connecting assembly, and the load-bearing column has an inverted U-shaped beam structure extending along the vertical direction;

[0022] The two parallel first side beams in the U-shaped beam structure are used for connecting the side wall-seat connecting assembly;

[0023] The second side beam connects the two first side beams in the U-shaped beam structure, and the balancing assembly is arranged on the second side beam.

[0024] Preferably, the balancing assembly comprises a connecting seat, a first hoisting rope, a weight, a hoisting disc, a lever, two second hoisting ropes and at least two pulleys.

[0025] The two second hoisting ropes are connected to the corresponding balancing parts at one end and to the corresponding ends of the lever at the other end.

[0026] The connecting seat is arranged on the second side beam, and the connecting seat is provided with the pulleys on one side of the U-shaped beam and also provided with the pulleys on the other side of the U-shaped beam, and the first hoisting rope is wound around the circumferential surfaces of the two pulleys.

[0027] One end of the first hoisting rope is connected to the center of the lever on one side of the U-shaped beam structure, and the other end of the first hoisting rope is connected to the hoisting disc for placing the weight on the other side of the U-shaped beam structure.

[0028] Preferably, the base further has a T-shaped groove platform, a first fixed column for mounting the first loading actuator, a second fixed column for mounting the second loading actuator and a bottom beam for mounting the third loading actuator.

[0029] The load-bearing column, the bottom beam, the first fixed column and the second fixed column are arranged on the T-shaped groove platform through bolts, and the load-bearing column, the bottom beam, the first fixed column and the second fixed column have a test space for placing the loading member and the side wall-seat connecting assembly.

[0030] Preferably, the second end of the first loading actuator is rotatably arranged on the first fixed column, the second end of the second loading actuator is rotatably arranged on the second fixed column, and the second end of the third loading actuator is rotatably arranged on the bottom beam.

[0031] Preferably, the load-bearing column has two first mounting grooves extending in the vertical direction, and the side wall-seat connecting assembly is selectively connected to different positions of the two first mounting grooves through a threaded structure.

[0032] The first fixed column and the second fixed column each have a second mounting groove extending in the vertical direction, and the first loading actuator and the second loading actuator are selectively connected to different positions of the corresponding second mounting grooves through a threaded structure.

[0033] The bottom beam has a third mounting slot extending in the longitudinal direction, and the third loading actuating cylinder is selectively connected to different positions of the third mounting slot through a threaded structure.

[0034] Preferably, the first joint is provided with a load sensor mounted at the first end of the first loading actuating cylinder, the first joint is provided with the load sensor mounted at the first end of the second loading actuating cylinder, and the first joint is provided with the load sensor mounted at the first end of the third loading actuating cylinder.

[0035] The side wall-seat connecting assembly strength test device provided by the utility model has the base for setting the side wall-seat connecting assembly to fix the side wall-seat connecting assembly so as to be immovable, the first loading actuating cylinder, the second loading actuating cylinder and the third loading actuating cylinder are provided for loading and are telescopic, the first joint is arranged at the first end of the first loading actuating cylinder, the second loading actuating cylinder and the third loading actuating cylinder, the corresponding second joint is arranged on the loading piece, and the first loading actuating cylinder is always or can be moved to extend in the transverse direction, the second loading actuating cylinder is always or can be moved to extend in the longitudinal direction, and the third loading actuating cylinder is always or can be moved to extend in the vertical direction.

[0036] The utility model has the advantages that, in use, the side wall-seat connecting assembly is arranged on the base, then the loading piece is connected with the seat connecting assembly for connecting the seat, the actual setting mode of the seat is simulated, the first loading actuating cylinder is started to apply the transverse load to the loading piece, the second loading actuating cylinder is started to apply the longitudinal load to the loading piece, the third loading actuating cylinder is started to apply the vertical load to the loading piece, the actual load is applied to the side wall-seat connecting assembly through the loading piece, so that the strength test can be realized, and the operation is simple in use. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only the embodiments of the utility model, and other drawings can be obtained by the provided drawings without creative labor for the ordinary skilled in the art.

[0038] Figure 1 The structure schematic view of the side wall-seat connecting assembly of the specific embodiment provided by the utility model;

[0039] Figure 2 The structure schematic view of the specific embodiment provided by the utility model;

[0040] Figure 3 The use schematic view of the specific embodiment provided by the utility model;

[0041] Figure 4 Structure diagram of the loading piece provided by the embodiment of the utility model;

[0042] Figure 5 Structure diagram of the balancing assembly provided by the embodiment of the utility model;

[0043] Figure 6 Structure diagram of the first joint and the second joint provided by the embodiment of the utility model.

[0044] Reference signs:

[0045] 1-side wall-seat connecting assembly; 11-side wall; 12-connecting assembly;

[0046] 2-base; 21-bearing column; 211-first mounting groove; 22-T-shaped groove platform; 23-first fixed stand; 231-second mounting groove; 24-second fixed stand; 25-bottom beam;

[0047] 3-loading piece; 31-loading part; 32-balancing part; 33-vertical connecting rod; 34-horizontal connecting rod; 35-longitudinal connecting rod;

[0048] 4-first loading actuator; 5-second loading actuator; 6-third loading actuator;

[0049] 7-first joint; 8-second joint;

[0050] 9-balancing assembly; 91-connecting seat; 92-first lifting rope; 93-weight; 94-hanging disc; 95-lever; 96-second lifting rope; 97-pulley;

[0051] 10-load sensor;

[0052] X-horizontal direction; Y-longitudinal direction; Z-vertical direction. DETAILED DESCRIPTION

[0053] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0054] The core of the utility model is to provide a side wall-seat connecting assembly strength test device, which can apply a simulated actual load to the side wall-seat connecting assembly 1 to realize strength and rigidity test.

[0055] Please refer toFigure 1 The utility model provides a kind of sidewall-seat connecting assembly strength test device, including base 2, loading piece 3, first loading actuator 4, second loading actuator 5, third loading actuator 6, three first joints 7 and three second joints 8.The wherein, base 2 is used to install the sidewall-seat connecting assembly 1 to be tested;The first end of loading piece 3 can be connected with the connecting assembly 12 for installing seat of sidewall-seat connecting assembly 1, and the second end of loading piece 3 is equipped with three second joints 8;First loading actuator 4 capable of extending along transverse direction, second loading actuator 5 capable of extending along longitudinal direction and third loading actuator 6 capable of extending along vertical direction, two two mutually perpendicular between transverse direction, longitudinal direction and vertical direction;The first end of first loading actuator 4, second loading actuator 5 and third loading actuator 6 is all equipped with first joint 7, and first loading actuator 4, second loading actuator 5 and third loading actuator 6 are all connected with loading piece 3 by corresponding first joint 7 and second joint 8 rotation, to apply along transverse direction, along longitudinal direction and along vertical direction load to sidewall-seat connecting assembly 1.

[0056] As shown in Figure 2 And Figure 3 The base 2 is used to set sidewall-seat connecting assembly 1, to fix sidewall-seat connecting assembly 1 so that it is not movable, and the strength test device is equipped with first loading actuator 4, second loading actuator 5 and third loading actuator 6 for loading, telescopic, loading actuator can adopt electric telescopic rod or hydraulic cylinder etc., and first joint 7 is arranged at the first end of first loading actuator 4, second loading actuator 5 and third loading actuator 6, to connect corresponding second joint 8.

[0057] It needs to be explained that the type of first joint 7 and second joint 8 is not limited, as long as linear load can be applied to loading piece 3.

[0058] Optionally, second joint 8 adopts first buckle terminal, and three second joints 8 are respectively rotated with X direction, Y direction and Z direction as axis and arranged at the second end of loading piece 3, and first joint 7 adopts second buckle terminal capable of buckling cooperation with first buckle terminal.

[0059] Preferably, the first joint 7 is a single ear joint, the second joint 8 is a double ear joint, and the first joint 7 and the second joint 8 can be connected by a pin shaft, which can be a rod with a diameter of Ф10mm or Ф20mm, and a plurality of pin shafts are perpendicular to the first loading actuator cylinder 4 or the second loading actuator cylinder 5 or the third loading actuator cylinder 6 connected thereby. In this way, when the first loading actuator cylinder 4 extends and retracts, the load on the loading piece 3 acts in the X direction. Similarly, when the second loading actuator cylinder 5 extends and retracts, the load on the loading piece 3 acts in the Y direction. When the third loading actuator cylinder 6 extends and retracts, the load on the loading piece 3 acts in the Z direction. Further, the second joint 8 is threadedly connected to the loading piece 3, and the first joint 7 is threadedly connected to the corresponding first loading actuator cylinder 4, second loading actuator cylinder 5 and third loading actuator cylinder 6. For example, threaded holes are formed on the second end of the loading piece 3, the first end of the first loading actuator cylinder 4, the first end of the second loading actuator cylinder 5 and the first end of the third loading actuator cylinder 6. The second joint 8 and the first joint 7 have threaded rods that match the corresponding connection structure. In this way, the strength test device is easy to operate.

[0060] Furthermore, the first loading actuator cylinder 4 is always or can be moved to extend in the transverse direction, so that the loading piece 3 can be loaded with transverse load through the matched first joint 7 and second joint 8. The second loading actuator cylinder 5 is always or can be moved to extend in the longitudinal direction, so that the loading piece 3 can be loaded with longitudinal load through the matched first joint 7 and second joint 8. The third loading actuator cylinder 6 is always or can be moved to extend in the vertical direction, so that the loading piece 3 can be loaded with vertical load through the matched first joint 7 and second joint 8.

[0061] As shown in Figure 3 use, first set the side wall-seat connection assembly 1 on the base 2, and then connect the loading piece 3 with the seat connection assembly 12 connected with the side wall-seat connection assembly 1 to simulate the actual setting mode of the seat. Start the first loading actuator cylinder 4 to apply load in the X direction to the loading piece 3, start the second loading actuator cylinder 5 to apply load in the Y direction to the loading piece 3, and start the third loading actuator cylinder 6 to apply load in the Z direction to the loading piece 3, so as to apply the actual load to the side wall-seat connection assembly 1 through the loading piece 3, thereby realizing the strength and stiffness test, and the operation is simple during use.

[0062] On the basis of the above embodiment, the loading piece 3 has a balance part 32 between the first end and the second end thereof; further comprising a balance assembly 9 connected to the balance part 32, for applying a balance load extending in the vertical direction and towards the top to the loading piece 3, to offset the load generated by the self-weight of the loading piece 3.

[0063] As shown in Figure 3As shown, the balancing part 32, such as a through hole or a clamping joint, is arranged at the middle position of the loading piece 3, and the balancing assembly 9 is connected through the balancing part 32, so as to apply a pulling force upward and equal to the gravity of the loading piece 3 through the balancing assembly 9, thereby offsetting the influence of the self weight of the loading piece 3 on the strength and rigidity test of the side wall-seat connecting assembly 1.

[0064] It should be noted that the type of the balancing assembly 9 is not limited, as long as the above-mentioned function can be achieved. Optionally, the balancing assembly 9 adopts a spring group always in compression, and is arranged below the loading piece 3 to push the loading piece 3 upward. Optionally, the balancing assembly 9 is arranged above the loading piece 3 to hoist the loading piece 3 through a lifting rope.

[0065] On the basis of the above-mentioned embodiment, the loading piece 3 comprises two parallel vertical connecting rods 33, two parallel horizontal connecting rods 34, a longitudinal connecting rod 35 and a loading part 31; the two vertical connecting rods 33 can be connected to the structure of the seat 91 of the side wall-seat connecting assembly 1; the first end of the horizontal connecting rod 34 is connected to the corresponding vertical connecting rod 33, and the second end of the horizontal connecting rod 34 is connected to the top of the corresponding end of the longitudinal connecting rod 35; the loading part 31 is arranged at the middle position of the side of the longitudinal connecting rod 35 away from the vertical connecting rod 33, and three second joints 8 arranged at the loading part 31 extend in the horizontal direction, the longitudinal direction and the vertical direction respectively.

[0066] As shown in Figure 3 and Figure 4 , in the loading piece 3, the vertical connecting rod 33 is a rod body extending in the Z direction, and the two vertical connecting rods 33 are arranged side by side, and the horizontal connecting rod 34 extending in the X direction is fixedly connected to the right side of the vertical connecting rod 33, and the left end of the two horizontal connecting rods 34 is connected to the shaft section at the middle position of the corresponding vertical connecting rod 33, that is, the two vertical connecting rods 33 and the two horizontal connecting rods 34 fixedly connected form two parallel inverted T-shaped structures; in cooperation, the longitudinal connecting rod 35 extending in the Y direction is connected to the right end of the horizontal connecting rod 34, and the left end of the longitudinal connecting rod 35 is connected to the horizontal connecting rod 34 on the left side, and the right end of the longitudinal connecting rod 35 is connected to the horizontal connecting rod 34 on the right side.

[0067] Furthermore, the loading part 31 is fixed on the right side of the longitudinal connecting rod 35, the loading part 31 can be a ball or a rectangular block, and the second joints 8 are arranged on the loading part 31 and perpendicular to each other, so as to connect the corresponding first joints 7. In use, the loading part 3 can be loaded in the three directions of X, Y and Z. In this way, the loading part 3 simulates the load applied to the side wall-seat connecting assembly 1, and the load is concentrated on the connecting position of the loading part 3 and the side wall-seat connecting assembly 1, which effectively reduces the weight of the strength test device and is convenient to use. The strength and stiffness test results of the strength test device are reliable.

[0068] Further, a through hole is arranged at the two ends of the two vertical connecting rods 33, and the loading part 3 is connected to the side wall-seat connecting assembly 1 through four Ф20 high-strength bolts and plate nuts. Of course, the structure of the side wall-seat connecting assembly 1 and the loading part 3 is not limited to the above type, as long as it can simulate the actual working condition.

[0069] On the basis of the above embodiment, the vertical distance between the second joint 8 extending in the transverse direction and the two vertical connecting rods 33 in the longitudinal direction is equal; the vertical distance between the second joint 8 extending in the vertical direction and the two vertical connecting rods 33 in the longitudinal direction is equal; the lengths of the two vertical connecting rods 33 are equal, the top ends of the two vertical connecting rods 33 are collinear in the longitudinal direction, and the distance between the second joint 8 extending in the longitudinal direction and the top ends of the two vertical connecting rods 33 is equal to 4 / 5 of the length of the vertical connecting rod 33. In this way, the second joints 8 extending in the transverse direction and the vertical direction are located at the middle positions of the two vertical connecting rods 33, and the second joint 8 extending in the longitudinal direction is located at the 4 / 5 height position of the longitudinal connecting rod 35.

[0070] On the basis of the above embodiment, the base 2 has a bearing column 21 for mounting the side wall-seat connecting assembly 1, and the bearing column 21 has an inverted U-shaped beam structure extending in the vertical direction; the two parallel first edge beams in the U-shaped beam structure are used to connect the side wall-seat connecting assembly 1; the second edge beam in the U-shaped beam structure connects the two first edge beams, and the balancing assembly 9 is arranged on the second edge beam.

[0071] The bearing column 21 has a U-shaped beam structure extending in the Z direction, as shown in Figure 2 and Figure 3 The first edge beam extending in the Z direction directly contacts and fixes the side wall-seat connecting assembly 1, and the two first edge beams are connected into one body through the second edge beam extending in the Y direction at the top. In this way, the strength test device has a simple structure and effectively reduces the weight of the strength test device.

[0072] On the basis of the above-mentioned embodiments, the balancing assembly 9 comprises a connecting seat 91, a first hoisting rope 92, a weight 93, a hoisting tray 94, a lever 95, two second hoisting ropes 96 and at least two pulleys 97; the middle positions of the two lateral connecting rods 34 are provided with balancing portions 32, one ends of the two second hoisting ropes 96 are connected to the corresponding balancing portions 32 and the other ends are connected to the corresponding ends of the lever 95; the connecting seat 91 is arranged on the second side beam, and the connecting seat 91 is provided with the pulley 97 on one side of the U-shaped beam structure and is also provided with the pulley 97 on the other side of the U-shaped beam structure, and the first hoisting rope 92 is wound around the circumferential surfaces of the two pulleys 97; one end of the first hoisting rope 92 is connected to the center of the lever 95 and is located on one side of the U-shaped beam structure, and the other end of the first hoisting rope 92 is connected to the hoisting tray 94 for placing the weight 93 and is located on the other side of the U-shaped beam structure.

[0073] In the present embodiment, as shown in Figure 3 , the balancing assembly 9 is arranged at the middle position of the second side beam at the top of the U-shaped beam structure, specifically, the connecting seat 91 is arranged across the U-shaped beam structure along the X direction, one or a group of pulleys 97 are arranged on the left side of the U-shaped beam structure at the connecting seat 91, and another one or another group of pulleys 97 are arranged on the right side of the U-shaped beam structure at the connecting seat 91, the first hoisting rope 92 is wound around the outside of the pulleys 97, the left end of the first hoisting rope 92 is located on the left side of the U-shaped beam structure and is fixedly connected to the hoisting tray 94, and the right end of the first hoisting rope 92 is located on the right side of the U-shaped beam structure and is fixedly connected to the lever 95, so that the balancing assembly 9 is compact and reasonable in structure with the load-bearing column 21.

[0074] In cooperation, as shown in Figure 3 , the lever 95 extends along the Y direction, one second hoisting rope 96 is installed at the left end of the lever 95 to connect the balancing portion 32 of the left lateral connecting rod 34, and the other second hoisting rope 96 is installed at the right end of the lever 95 to connect the balancing portion 32 of the right lateral connecting rod 34, so that the load 3 can be hung more balanced.

[0075] Further, the balancing portion 32 adopts a lifting ring installed in the middle shaft section of the lateral connecting rod 34, so that the second hoisting rope 96 is convenient to be connected to the lifting ring.

[0076] On the basis of the above-mentioned embodiments, the base 2 further has a T-shaped groove platform 22, a first fixed column 23 for mounting the first load actuator 4, a second fixed column 24 for mounting the second load actuator 5 and a bottom beam 25 for mounting the third load actuator 6; the load-bearing column 21, the bottom beam 25, the first fixed column 23 and the second fixed column 24 are arranged on the T-shaped groove platform 22 through bolts, and the load-bearing column 21, the bottom beam 25, the first fixed column 23 and the second fixed column 24 have a test space for placing the load 3 and the side wall-seat connecting assembly 1.

[0077] In the embodiment, the first loading cylinder 4 is installed through the first fixed column 23, the second loading cylinder 5 is installed through the second fixed column 24, and the third loading cylinder 6 is installed through the bottom beam 25, and the load-bearing column 21, the first fixed column 23, the second fixed column 24 and the bottom beam 25 can be conveniently installed above the T-shaped groove platform 22 through a plurality of groups of foundation bolts, as shown in Figure 2 and Figure 3 The first fixed column 23 and the second fixed column 24 are arranged on the right side surface of the load-bearing column 21, and a test space is left between the first fixed column 23, the second fixed column 24 and the load-bearing column 21 to install the first loading cylinder 4, the second loading cylinder 5, the third loading cylinder, the loading piece 3 and the side wall-seat connecting assembly 1 to be tested, and the bottom beam 25 is located at the bottom of the test space.

[0078] Further, as shown in Figure 2 and Figure 3 The first fixed column 23 and the second fixed column 24 are triangular beam structures, and the right-angled ends of the first fixed column 23 and the second fixed column 24 are close to the load-bearing column 21, and the bottom beam 25 is a linear beam structure extending along the Y direction, and the bottom beam 25, the first fixed column 23 and the second fixed column 24 are located on the same side of the load-bearing column 21, and the load-bearing column 21 further has two support beam structures forming an acute angle and connected to the corresponding ends of the U-shaped beam structure, and the two parallelly arranged support beams form a right angle with the U-shaped beam, which is beneficial to further reduce the self-weight of the strength test device and has strong carrying capacity.

[0079] On the basis of the above embodiment, the second end of the first loading cylinder 4 is rotatably arranged on the first fixed column 23, the second end of the second loading cylinder 5 is rotatably arranged on the second fixed column 24, and the second end of the third loading cylinder 6 is rotatably arranged on the bottom beam 25, as shown in Figure 2 and Figure 3 The first loading cylinder 4 is rotatably arranged above the first fixed column 23, the second loading cylinder 5 is rotatably arranged above the second fixed column 24, and the third loading cylinder 6 is rotatably arranged above the bottom beam 25, and when the side wall-seat connecting assembly 1 is not detected, the first loading cylinder 4, the second loading cylinder 5 and the third loading cylinder 6 can be lowered, which is convenient for installing the side wall-seat connecting assembly 1 for detection.

[0080] On the basis of the above-mentioned embodiments, the load-bearing column 21 has two first installation grooves 211 extending in the vertical direction, and the side wall-seat connecting assembly 1 is selectively connected to different positions of the two first installation grooves 211 through a threaded structure; the first fixed column 23 and the second fixed column 24 each have a second installation groove 231 extending in the vertical direction, and the first loading actuator 4 and the second loading actuator 5 are selectively connected to different positions of the corresponding second installation grooves 231 through a threaded structure; the bottom beam 25 has a third installation groove extending in the longitudinal direction, and the third loading actuator 6 is selectively connected to different positions of the third installation groove through a threaded structure.

[0081] Reference Figure 2 to Figure 3 On the side of the load-bearing column 21 for installing the side wall-seat connecting assembly 1, a first installation groove 211 extending through the load-bearing column 21 is formed in the Z direction, and the side wall-seat connecting assembly 1 is selectively arranged at different height positions of the load-bearing column 21 through a bolt embedded in the first installation groove 211 at one end and capable of sliding along the first installation groove 211, and the other end capable of cooperating with a nut.

[0082] In cooperation, the first fixed column 23 and the second fixed column 24 are at a similar height to the load-bearing column 21, and for the same reason, on the side of the first fixed column 23 for installing the first loading actuator 4, a second installation groove 231 extending through the first fixed column 23 is formed in the Z direction, and the first loading actuator 4 is selectively arranged at different height positions of the first fixed column 23 through a bolt embedded in the second installation groove 231 at one end and capable of sliding along the second installation groove 231, and the other end capable of cooperating with a nut.

[0083] Furthermore, on the side of the second fixed column 24 for installing the second actuator, a second installation groove 231 extending through the second fixed column 24 is formed in the Z direction, and the second loading actuator 5 is selectively arranged at different height positions of the second fixed column 24 through a bolt embedded in the second installation groove 231 at one end and capable of sliding along the second installation groove 231, and the other end capable of cooperating with a nut.

[0084] Secondly, a third installation groove extending in the Y direction is formed on the upper side of the bottom beam 25, and the third loading actuator 6 is selectively arranged at different positions of the bottom beam 25 through a bolt embedded in the third installation groove at one end and capable of sliding along the third installation groove, and the other end capable of cooperating with a nut. It should be noted that the type of bolt arranged in the first installation groove 211 is not limited, such as Ф36mm high-strength bolts, etc., as long as the above-mentioned functions can be achieved.

[0085] Therefore, when in use, the X-direction load can be applied to the loading piece 3 through the co-linear first loading actuator 4 and the first joint 7 and the second joint 8 connected thereto, the Y-direction load can be applied to the loading piece 3 through the co-linear second loading actuator 5 and the first joint 7 and the second joint 8 connected thereto, and the Z-direction load can be applied to the loading piece 3 through the co-linear third loading actuator 6 and the first joint 7 and the second joint 8 connected thereto.

[0086] It should be further noted that the types of the first mounting slot 211, the second mounting slot 231 and the third mounting slot are not limited, such as T-shaped slot or dovetail slot, as long as the bolt tail end can be embedded therein and the bolt head end can be extended to the outside of the mounting slot.

[0087] On the basis of the above-mentioned embodiment, the first joint 7 is provided with the load sensor 10 installed at the first end of the first loading actuator 4, the first joint 7 is provided with the load sensor 10 installed at the first end of the second loading actuator 5, and the first joint 7 is provided with the load sensor 10 installed at the first end of the third loading actuator 6. In this way, the operator can obtain the load applied to the loading piece 3 by the first loading actuator 4, the second loading actuator 5 and the third loading actuator 6 through the three load sensors 10, so as to calculate the strength and rigidity of the side wall-seat connecting assembly 1.

[0088] On the basis of the above-mentioned embodiment, the control console is further included, which comprises a processor and a display; the first loading actuator 4, the second loading actuator 5, the third loading actuator 6 and the load sensor 10 are signal-connected with the processor, and the processor can be installed with a preset logic to calculate the strength and rigidity of the side wall-seat connecting assembly 1; the display is signal-connected with the processor to display the calculation results. In this way, the degree of automation of the strength test device is greatly improved.

[0089] On the basis of the above-mentioned embodiment, the outer circumferential surface of each component in the strength test device is coated with a paint layer to realize the functions of waterproofing, oil-proofing and rust-proofing, thereby prolonging the service life of the strength test device.

[0090] It should be noted that the relationship terms such as "first" and "second" described above are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between the entities; the "upper surface, lower surface" and the orientation words "up, down, left, right" described above are defined based on the drawings.

[0091] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0092] The strength test device of the side wall-seat connecting assembly provided by the utility model is described in detail. The principle and implementation mode of the utility model are described by applying specific examples. The description of the above examples is only used to help understand the method and core idea of the utility model. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model.

Claims

1. A sidewall-seat connection assembly strength test device characterized by, The utility model relates to a side wall-seat connecting assembly test device, comprising: a base (2) for mounting a side wall-seat connecting assembly (1) to be tested; a loading piece (3) having a first end capable of being connected with a connecting assembly (12) of the side wall-seat connecting assembly (1) for mounting a seat, and a second end provided with three second joints (8); a first loading actuator (4) capable of extending in a transverse direction, a second loading actuator (5) capable of extending in a longitudinal direction, and a third loading actuator (6) capable of extending in a vertical direction, the transverse direction, the longitudinal direction, and the vertical direction being perpendicular to each other in pairs; the first loading actuator (4), the second loading actuator (5), and the third loading actuator (6) each having a first joint (7), and each being connected with the loading piece (3) through rotation of the first joint (7) and the second joint (8) to apply a load in the transverse direction, the longitudinal direction, and the vertical direction to the side wall-seat connecting assembly (1).

2. The side wall-seat connection assembly strength test device of claim 1, wherein, the loading piece (3) having a balance part (32) between the first end and the second end thereof; further comprising a balance assembly (9) connected with the balance part (32) for applying a balance load extending in the vertical direction and towards the top to the loading piece (3) to offset the load generated by the self weight of the loading piece (3).

3. The side wall-seat connection assembly strength test device of claim 2, wherein, the loading piece (3) comprising two parallel vertical connecting rods (33), two parallel transverse connecting rods (34), a longitudinal connecting rod (35), and a loading part (31); the two vertical connecting rods (33) being capable of being connected with a seat structure of the side wall-seat connecting assembly (1); the first end of the transverse connecting rod (34) being connected with the corresponding vertical connecting rod (33), and the second end of the transverse connecting rod (34) being connected with the top of the corresponding end of the longitudinal connecting rod (35); the loading part (31) being located at the middle position of the side of the longitudinal connecting rod (35) away from the vertical connecting rod (33), and the three second joints (8) provided on the loading part (31) extending in the transverse direction, the longitudinal direction, and the vertical direction respectively; 4. The side wall-seat connection assembly strength test device of claim 3, wherein, the second joint (8) extending in the transverse direction having a vertical distance equal to that of the two vertical connecting rods (33) in the longitudinal direction; the second joint (8) extending in the vertical direction having a vertical distance equal to that of the two vertical connecting rods (33) in the longitudinal direction; the two vertical connecting rods (33) having equal lengths, the top ends of the two vertical connecting rods (33) being collinear in the longitudinal direction, and the second joint (8) extending in the longitudinal direction having a distance equal to 4 / 5 of the length of the vertical connecting rod (33) from the top ends of the two vertical connecting rods (33).

5. The side wall-seat connection assembly strength test device of claim 3, wherein, the base (2) having a load bearing column (21) for mounting the side wall-seat connecting assembly (1), the load bearing column (21) having an inverted U-shaped beam structure extending in the vertical direction; Two parallel first side beams in the U-shaped beam structure are used to connect the side wall-seat connecting assembly (1); A second side beam in the U-shaped beam structure connects the two first side beams, and the balancing assembly (9) is arranged on the second side beam.

6. The side wall-seat connection assembly strength test device of claim 5, wherein, The balancing assembly (9) comprises a connecting seat (91), a first lifting rope (92), a weight (93), a lifting plate (94), a lever (95), two second lifting ropes (96) and at least two pulleys (97); The middle positions of the two transverse connecting rods (34) are provided with the balancing portions (32), and one ends of the two second lifting ropes (96) are connected to the corresponding balancing portions (32) and the other ends are connected to the corresponding ends of the lever (95); The connecting seat (91) is arranged on the second side beam, and the connecting seat (91) is provided with the pulleys (97) on one side of the U-shaped beam and is also provided with the pulleys (97) on the other side of the U-shaped beam, and the first lifting rope (92) is wound around the circumferential surfaces of the two pulleys (97); One end of the first lifting rope (92) is connected to the center of the lever (95) and is located on one side of the U-shaped beam structure, and the other end of the first lifting rope (92) is connected to the lifting plate (94) for placing the weight (93) and is located on the other side of the U-shaped beam structure.

7. The side wall-seat connection assembly strength test device of claim 5, wherein, The base (2) further comprises a T-shaped groove platform (22), a first fixed column (23) for mounting the first loading actuator (4), a second fixed column (24) for mounting the second loading actuator (5) and a bottom beam (25) for mounting the third loading actuator (6); The load-bearing column (21), the bottom beam (25), the first fixed column (23) and the second fixed column (24) are arranged on the T-shaped groove platform (22) through bolts, and the load-bearing column (21), the bottom beam (25), the first fixed column (23) and the second fixed column (24) have a test space for placing the loading member (3) and the side wall-seat connecting assembly (1).

8. The side wall-seat connection assembly strength test device of claim 7, wherein, The second end of the first loading actuator (4) is rotatably arranged on the first fixed column (23), the second end of the second loading actuator (5) is rotatably arranged on the second fixed column (24), and the second end of the third loading actuator (6) is rotatably arranged on the bottom beam (25).

9. The side wall-seat connection assembly strength test device of claim 8, wherein, The load-bearing column (21) has two first mounting grooves (211) extending in the vertical direction, and the side wall-seat connecting assembly (1) is selectively connected to different positions of the two first mounting grooves (211) through a threaded structure; The first fixed column (23) and the second fixed column (24) each have a second mounting groove (231) extending in the vertical direction, and the first loading actuator (4) and the second loading actuator (5) are selectively connected to different positions of the corresponding second mounting grooves (231) through a threaded structure; The bottom beam (25) has a third mounting slot extending along the longitudinal direction, and the third loading actuating cylinder (6) is selectively connected to different positions of the third mounting slot through a threaded structure.

10. The side wall-seat connection assembly strength test device according to any one of claims 1 to 9, characterized in that, The first joint (7) is installed with a load sensor (10) at the first end of the first loading actuating cylinder (4), the first joint (7) is installed with the load sensor (10) at the first end of the second loading actuating cylinder (5), and the first joint (7) is installed with the load sensor (10) at the first end of the third loading actuating cylinder (6).

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