Furniture drawer fatigue performance detection device

Abstract

The present invention relates to the field of drawer performance testing, and in particular to a furniture drawer fatigue performance testing device, comprising a bottom plate and a bottom frame integrally fixedly connected to the rear end of the bottom plate, a drawer installation mechanism for locking and installing the drawer is provided in the bottom frame, and a drawer pulling mechanism for pulling out the drawer is provided on the upper side of the bottom plate. The drawer installation mechanism adopted by the present invention can quickly lock the guide rails corresponding to drawers of different widths, and clamp one wall of the drawer up and down through a tightening component, and pull and pull the drawer alternately through a reciprocating pushing component, simulating the use scenario of a real drawer, and at the same time, combined with a load-bearing component, realizes the pulling and pulling fatigue detection of the drawer under loads at different positions, thereby increasing the diversity of detection and improving the accuracy of the detection results.

Description

Technical Field

[0001] The invention relates to the field of drawer performance detection, and in particular to a furniture drawer fatigue performance detection device. Background Art

[0002] Furniture drawers are box-shaped components attached to furniture such as tables and cabinets that can be pulled out. Most of them are made of wood and can be used to hold things. In order for the drawer to slide smoothly, a slide rail will be installed at the contact point between the drawer and the furniture. The performance of the slide rail will directly affect the drawer's pulling effect. Therefore, when producing furniture with drawers, it is necessary to perform pull-out fatigue testing on the drawer and the slide rail as a whole to ensure the quality and safety of the furniture.

[0003] Although the existing drawer fatigue performance testing device performs testing by reciprocating pulling, it can only perform pulling-out testing on a specific type of drawer. There are many types of drawers on the market, and a single device cannot complete the testing of multiple drawers. At the same time, in real situations, there will be a certain weight inside the drawer, and the existing testing device performs testing when the drawer is unloaded, which will affect the authenticity and accuracy of the drawer fatigue performance test and is not conducive to ensuring the test quality. Summary of the invention

[0004] Technical problem to be solved: The present invention provides a furniture drawer fatigue performance detection device, which can solve the above-mentioned problems.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a furniture drawer fatigue performance detection device, including a bottom plate and a bottom frame integrally fixedly connected to the rear end of the bottom plate, a drawer installation mechanism for locking and installing the drawer is provided in the bottom frame, and a drawer pulling mechanism for pulling and pulling the drawer is provided on the upper side of the bottom plate.

[0006] The drawer installation mechanism includes a mounting seat that is symmetrically arranged on the left and right. A guide rail locking assembly for locking the guide rail of the drawer is provided on the upper side of the mounting seat. A positioning component for controlling the two mounting seats to be close to the drawer guide rail is provided between the mounting seats on both sides.

[0007] The drawer pulling mechanism includes locking plates symmetrically arranged in the upper and lower parts, and a tightening assembly for locking the front side wall of the drawer is provided between the locking plates on both sides. A reciprocating pushing assembly for pushing the drawer as a whole is provided on the front side of the tightening assembly. A weight-bearing assembly for increasing the internal weight of the drawer is also provided on the upper side of the tightening assembly. The weight-bearing assembly includes alignment plates distributed in an X-shape, and the two alignment plates coincide with the two diagonals of the drawer respectively. The two alignment plates are rotatably connected to the upper and lower surfaces of the middle connecting seat respectively, and an adjusting component for adjusting the angle is provided on the front side of the two alignment plates.

[0008] As a preferred technical solution of the present invention, the guide rail locking assembly includes a lower support frame fixedly connected to the inner side of the upper end of the mounting seat, the lower support frame is L-shaped and consists of a horizontal plate and a vertical plate, a support plate is fixedly connected to the outer side of the upper end of the mounting seat, a plurality of electric push rods are fixedly connected to the support plate, the output ends of the plurality of electric push rods are all facing upward and are commonly fixedly connected to a top frame, and an upper pressure plate that is flush with the horizontal plate of the lower support frame is fixedly connected to the lower end of the top frame.

[0009] As a preferred technical solution of the present invention, the lower end surface of the upper pressure plate and the upper end surface of the lower support frame horizontal plate are both provided with a corrugated surface extending in the front-to-back direction.

[0010] As a preferred technical solution of the present invention, the alignment component includes a bidirectional screw rotatably connected to the inside of the base frame, and a guide rod fixedly connected to the inside of the base frame, the mounting seats on both sides are symmetrically threadedly connected to the bidirectional screw, the mounting seats on both sides are slidably connected to the guide rod, one end of the bidirectional screw extends to the outside of the base frame and is fixedly connected to the output end of motor one, and motor one is fixedly connected to the outer wall of the base frame.

[0011] As a preferred technical solution of the present invention, the tightening assembly includes a connecting frame fixedly connected to the front sides of the two locking plates, the connecting frame is L-shaped, and the front ends of the horizontal sections of the two connecting frames are respectively fixedly connected to the two output ends of the double-rod hydraulic cylinder, and the double-rod hydraulic cylinder is fixedly connected to the fixed frame.

[0012] As a preferred technical solution of the present invention, the adjacent sides of the locking plates are each provided with a second corrugated surface extending in the front-rear direction.

[0013] As a preferred technical solution of the present invention, the reciprocating pushing assembly includes a mounting frame fixedly connected to the upper side of the base plate by a plurality of supporting legs, the upper sides of the front and rear ends of the mounting frame are fixedly connected with support blocks, and sliding rods are slidably connected in the two support blocks, and a double-sided gear track section is integrally fixedly connected between the sliding rods at both ends, and the end of the rear sliding rod away from the double-sided gear track section is fixedly connected to the front end of the fixed frame, and two fan-shaped gears are symmetrically provided on the left and right sides of the double-sided gear track section, and a rotating rod is fixedly connected at the rotation center of the fan gear, and the rotating rod is rotatably connected to the mounting frame, and a concentric gear 2 is also fixedly connected to the rotating rod, and a gear 3 is meshingly connected between the gears 2 on both sides, and the center of the gear 3 is fixedly connected to the output end of the motor 2, and the motor 2 is fixedly connected to the lower side of the mounting frame, and the double-sided gear track section is only meshed and connected with the fan gear on one side at the same time.

[0014] As a preferred technical solution of the present invention, the load-bearing component also includes a connecting seat fixedly connected to the upper end of the fixed frame, an electric push rod four is fixedly connected to the rear end of the connecting seat, the output end of the electric push rod four faces rearward and is fixedly connected to an end head one, the end head one is fixedly connected to the front side of the middle connecting seat, a cross slide groove is provided at both ends of the wiring plate, a slider is slidably connected in the cross slide groove, an electric push rod five is fixedly connected to the slider, and the output end of the electric push rod five faces downward and is fixedly connected to a pressure block.

[0015] As a preferred technical solution of the present invention, the adjusting component includes an end portion 2 fixedly connected to the rear side of the middle connecting seat, an electric push rod 3 is fixedly connected to the rear end of the end portion 2, and the output end of the electric push rod 3 is symmetrically hinged with two hinge arms, and the ends of the two hinge arms away from the electric push rod 3 are respectively hinged on the two alignment plates.

[0016] As a preferred technical solution of the present invention, the connecting seat is L-shaped, and a reinforcing strip is integrally and symmetrically fixedly connected to the corner position.

[0017] Beneficial effects: 1. The drawer installation mechanism adopted by the present invention can quickly lock the guide rails corresponding to drawers of different widths, and clamp one wall of the drawer up and down through the tightening component, and pull and reciprocate the drawer alternately through the reciprocating pushing component, thereby simulating the use scenario of a real drawer. At the same time, combined with the load-bearing component, the drawer can realize the pulling and pulling fatigue detection under the conditions of loads in different positions, which increases the diversity of detection and improves the accuracy of the detection results.

[0018] 2. The present invention implements multi-mode load-pulling fatigue detection on the drawer in which multiple stress points are applied through a load-bearing component and the stress points can be changed. Furthermore, the stress points can be evenly distributed or unevenly distributed, thereby further increasing the data diversity of the drawer pulling-out fatigue detection and being more conducive to evaluating the comprehensive anti-fatigue performance of the drawer.

[0019] 3. The present invention utilizes automatic locking of the guide rail to simulate a real installation scenario of the drawer, which is convenient to use and has good applicability. In addition, the drawer is tested by a panoramic display, which is conducive to intuitively displaying the real-time detection status of the drawer.

[0020] 4. The drawer installation mechanism and drawer pulling mechanism adopted in the present invention are used in combination to automatically detect the pulling and pulling fatigue performance of drawers of different sizes under different load conditions. It has a wide range of applicable conditions, can truly simulate the pulling and pulling action of the drawer, is easy to use, easy to operate, has diverse detection data, and can better ensure the accuracy of the detection of the drawer pulling fatigue performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1It is a three-dimensional structural schematic diagram of the present invention.

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the drawer installation mechanism in the present invention.

[0024] Figure 3 The present invention Figure 2 Schematic diagram of the enlarged structure of area A in the middle.

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the load-bearing component in the present invention.

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the tightening assembly in the present invention.

[0027] Figure 6 The present invention Figure 5 Schematic diagram of the enlarged structure of area B in the middle.

[0028] Figure 7 It is a three-dimensional structural schematic diagram of the reciprocating pushing component in the present invention.

[0029] In the figure: 1, bottom plate; 11, supporting legs; 2, bottom frame; 3, drawer installation mechanism; 31, guide rail locking assembly; 311, top frame; 312, supporting plate; 313, electric push rod 1; 314, mounting seat; 315, alignment component; 3151, two-way screw; 3152, motor 1; 3153, guide rod; 316, upper pressure plate; 317, lower support frame; 318, corrugated surface 1; 4, drawer pulling mechanism; 41, locking plate; 411, corrugated surface 2; 42, tightening assembly; 421, connecting frame; 422, double-rod hydraulic cylinder; 423, fixing frame; 43, reciprocating push assembly; 43 1. Slide bar; 432. Double-sided gear rail segment; 433. Fan gear; 434. Rotating rod; 435. Gear 2; 436. Gear 3; 437. Motor 2; 438. Mounting frame; 439. Support block; 44. Load-bearing assembly; 441. Adjustment component; 4411. Electric push rod 3; 4412. Hinge arm; 442. Center seat; 4421. End 1; 4422. End 2; 443. Alignment plate; 4431. Cross slide; 444. Electric push rod 4; 445. Connecting seat; 4451. Reinforcement strip; 446. Pressure block; 447. Electric push rod 5; 448. Slider. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0031] See also Figure 1A furniture drawer fatigue performance detection device comprises a bottom plate 1 and a bottom frame 2 integrally fixedly connected to the rear end of the bottom plate 1, a drawer installation mechanism 3 for locking and installing the drawer is provided in the bottom frame 2, and a drawer pulling mechanism 4 for pulling out the drawer is provided on the upper side of the bottom plate 1.

[0032] See also Figure 1 and Figure 2 The drawer mounting mechanism 3 includes a mounting seat 314 symmetrically arranged on the left and right, and a guide rail locking component 31 for locking the drawer guide rail is provided on the upper side of the mounting seat 314. A positioning component 315 for controlling the two sides of the mounting seat 314 to be close to the drawer guide rail is provided.

[0033] See also Figure 1 and Figure 4 The drawer pulling mechanism 4 includes locking plates 41 symmetrically arranged in the upper and lower parts, and a tightening component 42 for locking the front wall of the drawer is provided between the locking plates 41 on both sides, and a reciprocating pushing component 43 for pushing the drawer as a whole is provided on the front side of the tightening component 42. A weight-bearing component 44 for increasing the weight of the drawer is also provided on the upper side of the tightening component 42. The weight-bearing component 44 includes alignment plates 443 distributed in an X-shape, and the two alignment plates 443 coincide with the two diagonals of the drawer respectively. The two alignment plates 443 are rotatably connected to the upper and lower surfaces of the middle seat 442 respectively, and an adjusting component 441 for adjusting the angle is provided on the front side of the two alignment plates 443.

[0034] By using the drawer installation mechanism 3 and the drawer pulling mechanism 4 in coordination, the pulling fatigue performance of drawers of different sizes under different load conditions can be tested.

[0035] See also Figure 2 and Figure 3 The guide rail locking assembly 31 includes a lower support frame 317 fixedly connected to the inner side of the upper end of the mounting seat 314. The lower support frame 317 is L-shaped and consists of a horizontal plate and a vertical plate. A support plate 312 is fixedly connected to the outer side of the upper end of the mounting seat 314. A plurality of electric push rods 313 are fixedly connected to the support plate 312. The output ends of the plurality of electric push rods 313 are all facing upward and are fixedly connected to a top frame 311. The lower end of the top frame 311 is fixedly connected to an upper pressure plate 316 that is flush with the horizontal plate of the lower support frame 317.

[0036] During specific operation, the top frame 311 is controlled by the electric push rod 313 to drive the upper pressing plate 316 to move, and the upper pressing plate 316 and the corresponding lower supporting frame 317 clamp and lock the drawer guide rail.

[0037] See also Figure 3 The lower end surface of the upper pressing plate 316 and the upper end surface of the horizontal plate of the lower support frame 317 are both provided with a corrugated surface 318 extending in the front-to-back direction.

[0038] During specific operation, the corrugated surface 318 is used to increase the locking friction on the drawer guide rail to ensure the stability of the drawer when it is pulled out.

[0039] See also Figure 2 The alignment component 315 includes a bidirectional lead screw 3151 rotatably connected to the inside of the base frame 2, and a guide rod 3153 fixedly connected to the inside of the base frame 2. The mounting seats 314 on both sides are symmetrically threadedly connected to the bidirectional lead screw 3151. The mounting seats 314 on both sides are slidably connected to the guide rod 3153 together. One end of the bidirectional lead screw 3151 extends to the outside of the base frame 2 and is fixedly connected to the output end of the motor 1 3152. The motor 1 3152 is fixedly connected to the outer wall of the base frame 2.

[0040] During specific operation, the motor 1 3152 drives the bidirectional lead screw 3151 to rotate and control the two mounting seats 314 to move relatively along the guide rod 3153, so as to achieve the effect of making the mounting seats 314 close to the drawer guide rail.

[0041] See also Figure 1 and Figure 5 The clamping assembly 42 includes a connecting frame 421 fixedly connected to the front sides of the two locking plates 41, the connecting frame 421 is L-shaped, and the front ends of the horizontal sections of the two connecting frames 421 are respectively fixedly connected to the two output ends of the double-rod hydraulic cylinder 422, and the double-rod hydraulic cylinder 422 is fixedly connected to the fixing frame 423.

[0042] During specific operation, the double-rod hydraulic cylinder 422 controls the two connecting frames 421 to drive the two locking plates 41 to clamp and lock the front wall of the drawer up and down.

[0043] See also Figure 6 The adjacent sides of the locking plates 41 are each provided with a second corrugated surface 411 extending in the front-rear direction.

[0044] During specific operation, the locking friction of the drawer is increased by the corrugated surface 411 to ensure the stability of the drawer when it is pulled out.

[0045] See also Figure 1 and Figure 7The reciprocating push assembly 43 includes a mounting frame 438 fixedly connected to the upper side of the bottom plate 1 through a plurality of legs 11, and the mounting frame 438 is fixedly connected to the upper sides of both ends of the front and rear ends with support blocks 439, and the two support blocks 439 are slidably connected with slide rods 431, and a double-sided gear track segment 432 is integrally fixedly connected between the slide rods 431 at both ends, and the end of the rear slide rod 431 away from the double-sided gear track segment 432 is fixedly connected to the front end of the fixing frame 423, and two sector gears 433 are symmetrically provided on the left and right sides of the double-sided gear track segment 432, and a rotating rod 434 is fixedly connected at the rotation center of the sector gear 433, and the rotating rod 434 It is rotatably connected to the mounting frame 438, and a concentric gear 2 435 is fixedly connected to the rotating rod 434. A gear 3 436 is meshingly connected between the gear 2 435 on both sides. The center of the gear 3 436 is fixedly connected to the output end of the motor 2 437. The motor 2 437 is fixedly connected to the lower side of the mounting frame 438. At the same time, the double-sided gear segment 432 is only meshingly connected to the fan-shaped gear 433 on one side; the lower end of the fixed frame 423 is equipped with a reinforcing support rod slidably connected to the upper side of the base plate 1, and the reinforcing support rod is used to improve the structural strength of the fixed frame 423 and its stability when moving with the double-sided gear segment 432.

[0046] During specific operation, the motor 2 437 is used to control the rotation of the gear 3 436, and the gear 3 436 drives the two gear 2 435 to rotate synchronously, so that the two rotating rods 434 rotate synchronously, and the rotation of the rotating rod 434 drives the sector gear 433 to rotate, and the sector gears 433 on both sides are alternately engaged with the double-sided gear track segment 432, so that the double-sided gear track segment 432 moves back and forth, and the double-sided gear track segment 432 moves back and forth to control the rear side slide bar 431 to drive the clamping assembly 42 to continuously reciprocate and extend.

[0047] See also Figure 1 and Figure 4 The load-bearing component 44 also includes a connecting seat 445 fixedly connected to the upper end of the fixing frame 423, and an electric push rod 444 is fixedly connected to the rear end of the connecting seat 445, and the output end of the electric push rod 444 faces backward and is fixedly connected to the end head 4421, and the end head 4421 is fixedly connected to the front side of the middle connecting seat 442, and a cross slide groove 4431 is provided at both ends of the wiring plate 443, and a slider 448 is slidably connected in the cross slide groove 4431, and an electric push rod 5 447 is fixedly connected to the slider 448, and the output end of the electric push rod 5 447 faces downward and is fixedly connected to a pressure block 446.

[0048] During specific operation, the electric push rod four 444 is used to control the linear movement of the center seat 442, so that the center of the center seat 442 can follow the change of the size of the drawer and automatically coincide with the midpoint of the drawer, ensuring that the rotation center of the alignment plate 443 coincides with the intersection of the diagonal of the drawer, and the slider 448 is manually controlled to slide in the cross slide groove 4431, so that the pressure block 446 can change its position along the diagonal of the drawer, so that the pressure block 446 is located above the bottom wall of the drawer, and the electric push rod five 447 is used to control the pressure block 446 to be pressed against the bottom wall of the drawer, so that the bottom wall of the drawer is subjected to local pressure, and the force size of the bottom wall of the drawer can be adjusted by increasing the micro-extension of the electric push rod five 447. At the same time, the force position of the bottom wall of the drawer can be changed by adjusting the position of the pressure block 446, so as to realize the pulling and pulling fatigue detection of the drawer under different load conditions, increase the diversity of detection, and improve the accuracy of the detection results.

[0049] See also Figure 4 The adjusting component 441 includes an end head 4422 fixedly connected to the rear side of the middle seat 442, and an electric push rod 3 4411 is fixedly connected to the rear end of the end head 4422. The output end of the electric push rod 3 4411 is symmetrically hinged with two hinge arms 4412, and the ends of the two hinge arms 4412 away from the electric push rod 3 4411 are respectively hinged on the two alignment plates 443.

[0050] During specific operation, the hinge arm 4412 is controlled by the electric push rod 4411 to drive the two pairs of line plates 443 to rotate, thereby changing the angle between the two pairs of line plates 443 to ensure that the line plates 443 can coincide with the diagonals of drawers of different sizes.

[0051] See also Figure 4 The connection seat 445 is L-shaped, and the corner position is integrally and symmetrically fixedly connected with a reinforcing strip 4451. During specific operation, the structural strength of the connection seat 445 is increased by the reinforcing strip 4451.

[0052] When in use: S1: First, the motor 3152 drives the bidirectional screw 3151 to rotate and control the two mounting seats 314 to move relative to each other along the guide rod 3153, so that the mounting seats 314 are close to the drawer guide rails, and then the electric push rod 313 controls the top frame 311 to drive the upper pressure plate 316 to move downward, and the upper pressure plate 316 and the corresponding lower support frame 317 clamp and lock the drawer guide rails.

[0053] S2: Then the double-rod hydraulic cylinder 422 controls the two connecting frames 421 to drive the two locking plates 41 to clamp and lock the front wall of the drawer up and down.

[0054] S3: After the front wall of the drawer is locked, the electric push rod 444 is used to control the linear movement of the center seat 442, so that the center of the center seat 442 can follow the change of the size of the drawer and automatically coincide with the midpoint of the drawer, ensuring that the rotation center of the alignment plate 443 coincides with the intersection of the diagonal of the drawer. The slider 448 is manually controlled to slide in the cross slide groove 4431, so that the pressure block 446 can change its position along the diagonal of the drawer to adjust the pressure position of the bottom wall of the drawer.

[0055] S4: Then, the electric push rod five 447 is used to control the pressure block 446 to press against the bottom wall of the drawer. During detection, the motor two 437 is used to control the gear three 436 to rotate, and the gear three 436 drives the two gear twos 435 to rotate synchronously, so that the two rotating rods 434 rotate synchronously, and the rotation of the rotating rod 434 drives the fan gear 433 to rotate, and the fan gears 433 on both sides are alternately engaged with the double-sided gear track segment 432, so that the double-sided gear track segment 432 moves back and forth, and the reciprocating movement of the double-sided gear track segment 432 controls the rear side slide bar 431 to continuously reciprocate and extend, driving the tightening component 42 to pull the drawer to move back and forth.

[0056] In addition, multiple pressure blocks 446 can be pressed against the bottom wall of the drawer simultaneously or at different times, and the positions of multiple pressure blocks 446 can be evenly or unevenly distributed, thereby forming a multi-mode load-pulling fatigue test with varying number of force points, varying positions of force points, uniform force distribution, and uneven force distribution, thereby increasing the fit between the test conditions and the actual situation and improving the accuracy of the test results.

[0057] S5: By increasing the micro-extension of the electric push rod 447 in the corresponding S4, the force on the bottom wall of the drawer is continuously increased, and then the load pulling fatigue detection mode with changing force is added. The fatigue performance of the drawer under various test conditions is evaluated according to whether the guide rail makes abnormal noise or is installed loosely.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A furniture drawer fatigue performance detection device, comprising a bottom plate (1) and a bottom frame (2) integrally fixedly connected to the rear end of the bottom plate (1), Features: A drawer installation mechanism (3) for locking and installing the drawer is provided in the bottom frame (2), and a drawer pulling mechanism (4) for pulling out the drawer is provided on the upper side of the bottom plate (1); The drawer mounting mechanism (3) comprises a mounting seat (314) symmetrically arranged on the left and right, a guide rail locking assembly (31) for locking the guide rail of the drawer is provided on the upper side of the mounting seat (314), and a positioning component (315) for controlling the two mounting seats (314) to be close to the drawer guide rail is provided between the mounting seats (314) on both sides; The drawer pulling mechanism (4) comprises a locking plate (41) symmetrically arranged in the upper and lower parts, a locking assembly (42) for locking the front side wall of the drawer is provided between the locking plates (41) on both sides, a reciprocating pushing assembly (43) for pushing the drawer as a whole is provided on the front side of the locking assembly (42), a weight-bearing assembly (44) for increasing the weight of the drawer is provided on the upper side of the locking assembly (42), the weight-bearing assembly (44) comprises alignment plates (443) arranged in an X-shaped staggered manner, the two alignment plates (443) respectively coincide with the two diagonals of the drawer, the two alignment plates (443) are respectively rotatably connected to the upper and lower surfaces of the middle seat (442), and an adjusting component (441) for adjusting the angle is provided on the front side of the two alignment plates (443); The guide rail locking assembly (31) comprises a lower support frame (317) fixedly connected to the inner side of the upper end of the mounting seat (314); the lower support frame (317) is L-shaped and is composed of a horizontal plate and a vertical plate; a support plate (312) is fixedly connected to the outer side of the upper end of the mounting seat (314); a plurality of electric push rods (313) are fixedly connected to the support plate (312); the output ends of the plurality of electric push rods (313) are all upwardly facing and are fixedly connected to a top frame (311); and an upper pressure plate (316) that is flush with the horizontal plate of the lower support frame (317) is fixedly connected to the lower end of the top frame (311); The alignment component (315) comprises a bidirectional lead screw (3151) rotatably connected to the interior of the base frame (2), and a guide rod (3153) fixedly connected to the interior of the base frame (2); the mounting seats (314) on both sides are symmetrically threadedly connected to the bidirectional lead screw (3151); the mounting seats (314) on both sides are slidably connected to the guide rod (3153); one end of the bidirectional lead screw (3151) extends to the exterior of the base frame (2) and is fixedly connected to the output end of the motor 1 (3152); and the motor 1 (3152) is fixedly connected to the outer wall of the base frame (2); The tightening assembly (42) comprises a connecting frame (421) fixedly connected to the front sides of the two locking plates (41); the connecting frame (421) is L-shaped; the front ends of the horizontal sections of the two connecting frames (421) are respectively fixedly connected to the two output ends of the double-rod hydraulic cylinder (422); and the double-rod hydraulic cylinder (422) is fixedly connected to the fixing frame (423); The reciprocating pushing assembly (43) comprises a mounting frame (438) fixedly connected to the upper side of the bottom plate (1) through a plurality of supporting legs (11), the upper sides of the front and rear ends of the mounting frame (438) are fixedly connected with supporting blocks (439), the two supporting blocks (439) are slidably connected with sliding rods (431), a double-sided gear track section (432) is integrally fixedly connected between the sliding rods (431) at both ends, one end of the rear sliding rod (431) away from the double-sided gear track section (432) is fixedly connected to the front end of the fixing frame (423), and two sector gears ( 433), a rotating rod (434) is fixedly connected to the rotation center of the sector gear (433), the rotating rod (434) is rotatably connected to the mounting frame (438), a concentric gear 2 (435) is also fixedly connected to the rotating rod (434), a gear 3 (436) is meshedly connected between the gears 2 (435) on both sides, the center of the gear 3 (436) is fixedly connected to the output end of the motor 2 (437), the motor 2 (437) is fixedly connected to the lower side of the mounting frame (438), and at the same time, the double-sided rack segment (432) is only meshedly connected to one side of the sector gear (433); The load-bearing assembly (44) further comprises a connection seat (445) fixedly connected to the front side of the upper rectangular frame (426); the rear end of the connection seat (445) is fixedly connected to an electric push rod four (444); the output end of the electric push rod four (444) faces backward and is fixedly connected to an end head one (4421); the end head one (4421) is fixedly connected to the front side of the middle connection seat (442); both ends of the alignment plate (443) are provided with a cross slide groove (4431); a slider (448) is slidably connected in the cross slide groove (4431); an electric push rod five (447) is fixedly connected to the slider (448); the output end of the electric push rod five (447) faces downward and is fixedly connected to a pressure block (446); By using the drawer installation mechanism (3) and the drawer pulling mechanism (4) in coordination, it is possible to test the pulling fatigue performance of drawers of different sizes under different load conditions.

2. A furniture drawer fatigue performance detection device according to claim 1, Features: The lower end surface of the upper pressing plate (316) and the upper end surface of the horizontal plate of the lower support frame (317) are both provided with a corrugated surface (318) extending in the front-rear direction.

3. A furniture drawer fatigue performance detection device according to claim 1, Features: The adjacent sides of the locking plates (41) are each provided with a second corrugated surface (411) extending in the front-rear direction.

4. A furniture drawer fatigue performance detection device according to claim 1, Features: The adjusting component (441) comprises a second end (4422) fixedly connected to the rear side of the middle seat (442); the rear end of the second end (4422) is fixedly connected to an electric push rod (4411); the output end of the electric push rod (4411) is symmetrically hinged with two hinge arms (4412); the ends of the two hinge arms (4412) away from the electric push rod (4411) are respectively hinged on two alignment plates (443).

5. A furniture drawer fatigue performance detection device according to claim 1, Features: The connecting seat (445) is L-shaped, and a reinforcing strip (4451) is integrally and symmetrically fixedly connected at the corner position.

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