Static load and shear load test device for underground lamp

Abstract

The utility model discloses an underground lamp static load shear load test device, which comprises a lamp body and a test bench, the top of the test bench is fixedly connected with two vertical rods, one ends of the two vertical rods are fixedly connected with a positioning seat together, and the lamp body is connected to the positioning seat in a penetrating manner. The device has the advantages that the two hydraulic cylinders are opened to drive the shearing force extrusion block connected with the pressure sensor to stretch out and draw back, the shearing force extrusion block can be attached to the outer surface of the lamp body for extrusion, the pressure sensor can detect the strength of extrusion shearing force, and finally, the clamping mechanism is used for clamping and fixing the lamp body. The arranged shear base can rotate left and right on the supporting base, meanwhile, the supporting base can push the shear base to ascend and descend, so that shear load tests can be conducted on different positions of the lamp body, the structure is reasonable, rapid tests are facilitated, and meanwhile adjustment is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of buried lamp shear load test, especially relates to a buried lamp static load shear load test device. BACKGROUND

[0002] The ground lamp is also called buried lamp or hidden ground lamp, which is a lighting facility embedded on the ground. The ground lamp illuminates the ground, vegetation and other objects, making the landscape more beautiful and the pedestrians safer. Nowadays, the ground lamp usually uses LED energy-saving light source, and the surface is made of stainless steel polishing or aluminum alloy panel, high-quality waterproof joint, silica gel sealing ring and tempered glass, which can prevent water, dust, electric leakage and corrosion. To ensure smooth drainage, it is recommended to install the ground lamp with gravel at the bottom.

[0003] Since the buried lamp needs to be embedded on the ground for installation, the shear load of the buried lamp needs a certain strength, and then the shear load needs to be checked during the production of the buried lamp. The existing test device has certain disadvantages. First, the existing test device is not convenient for disassembly, assembly and fixing of the buried lamp, which is not convenient for replacement of the buried lamp. Second, the existing test device is not convenient for adjustment, which cannot adjust the test in multiple directions, and has certain influence. Therefore, a buried lamp static load shear load test device is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a kind of buried lamp static load shear load test device, and the utility model is realized by the following technical solutions.

[0005] A kind of buried lamp static load shear load test device, including lamp body and test table, the top of the test table is fixedly connected with two vertical rods, one end of two vertical rods is fixedly connected with positioning seat in common, and lamp body is connected on positioning seat, clamping mechanism for lamp body clamping fixed is arranged on positioning seat, two slide rods are movably connected on the test table, one end of two slide rods is fixedly connected with fixed plate in common, the other end of two slide rods is fixedly connected with support seat in common, shear seat is rotatably connected on support seat, the top of shear seat is fixedly connected with hydraulic cylinder at both ends, the telescopic end of hydraulic cylinder is fixedly connected with pressure sensor, pressure sensor is fixedly connected with shear extrusion block, the side of test table is fixedly connected with controller, hydraulic cylinder and pressure sensor are electrically connected with controller by wire.

[0006] Further, the clamping mechanism comprises a fixed ring and a clamping plate, the fixed ring is fixedly connected on the two vertical rods, the top of the fixed ring is rotationally connected with a second bevel gear, the second bevel gear is fixedly connected with a third gear, the fixed ring is fixedly connected with a third servo motor, the fourth gear fixed on the output shaft of the third servo motor is in meshing connection with the third gear, and the third servo motor is electrically connected with the controller.

[0007] Further, the two ends of the top of the positioning seat are provided with limiting openings, the inside of the limiting openings is rotationally connected with a screw rod, one end of the screw rod is fixedly connected with a first bevel gear, the first bevel gear is in meshing connection with the second bevel gear, the other end of the screw rod is provided with an L-shaped push rod in screw thread cooperation, and the clamping plate is fixedly connected on one end of the L-shaped push rod.

[0008] Further, the bottom end of the lamp body penetrates in the second bevel gear.

[0009] Further, the shearing seat is fixedly connected with a second gear, the supporting seat is fixedly connected with a second servo motor, the first gear fixed on the output shaft of the second servo motor is in meshing connection with the second gear, and the second servo motor is electrically connected with the controller.

[0010] Further, the bottom of the test bench is fixedly connected with a first servo motor, the output shaft of the first servo motor is fixedly connected with a screw rod, one end of the screw rod penetrates and is connected on the fixed plate, and the screw rod is in screw thread cooperation with the fixed plate, and the first servo motor is electrically connected with the controller.

[0011] The beneficial effects of the utility model are that, in the working process of the device, first, the lamp body is inserted into the positioning seat, then the lamp body is clamped and fixed through the clamping mechanism, then the clamped lamp body is subjected to shearing force extrusion for testing, namely, the shearing force extrusion block driven by the opening of the two hydraulic cylinders is telescopic, the shearing force extrusion block can be extruded on the outer surface of the lamp body, wherein the pressure sensor can detect the intensity of the extruding shearing force, finally, the shearing seat can rotate left and right on the supporting seat, and the supporting seat can drive the shearing seat to ascend and descend, so that the shearing load test can be carried out on different positions of the lamp body, the structure is reasonable, rapid testing is facilitated, and adjustment is facilitated. ACCURACY OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the utility model, the following will briefly introduce the drawings needed to be used in the specific implementation manner, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0013] Figure 1: A schematic diagram of the structure of the static load shear force test device for underground lights described in this utility model;

[0014] Figure 2 This utility model Figure 1 Enlarged view of A in the middle;

[0015] Figure 3 This utility model Figure 1 A magnified view of B in the middle.

[0016] The attached figures are labeled as follows:

[0017] 1. Lamp body;

[0018] 2. Test bench; 21. Slide bar; 22. Fixing plate; 23. First servo motor; 231. Lead screw; 24. Vertical rod;

[0019] 3. Support base; 31. Second servo motor; 32. First gear;

[0020] 4. Shear seat; 41. Second gear;

[0021] 5. Positioning seat; 51. Limiting port; 52. Screw; 521. First helical gear; 522. L-shaped push rod; 523. Clamping plate;

[0022] 6. Fixed ring; 61. Second helical gear; 611. Third gear; 62. Third servo motor; 621. Fourth gear;

[0023] 7. Hydraulic cylinder; 71. Pressure sensor; 72. Shear extrusion block;

[0024] 8. Controller. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1-3 As shown, the present invention has the following specific embodiments.

[0027] Example:

[0028] A static load shear force test device for an underground light includes a light body 1 and a test platform 2. Two vertical rods 24 are fixedly connected to the top of the test platform 2. One end of the two vertical rods 24 is fixedly connected to a positioning seat 5, and the light body 1 is connected through the positioning seat 5. A clamping mechanism on the positioning seat 5 is used to clamp and fix the light body 1. Two sliding rods 21 are movably connected through the test platform 2. One end of the two sliding rods 21 is fixedly connected to a fixing plate 22, and the other end of the two sliding rods 21 is fixedly connected to a support base 3. A shear seat 4 is rotatably connected to the support base 3. Hydraulic cylinders 7 are fixedly connected to both ends of the top of the shear seat 4. A pressure sensor 71 is fixedly connected to the telescopic end of the hydraulic cylinder 7. A shear compression block 72 is fixedly connected to the pressure sensor 71. A controller 8 is fixedly connected to one side of the test platform 2. The hydraulic cylinders 7 and the pressure sensor 71 are electrically connected to the controller 8 through wires.

[0029] By adopting the above technical solution, when using the device, the lamp body 1 is first inserted through into the positioning seat 5, and then the lamp body 1 is clamped and fixed by the clamping mechanism. Then, shear force is applied to the clamped lamp body 1 for testing. That is, by opening the two hydraulic cylinders 7, the shear force compression block 72 connected to the pressure sensor 71 is driven to extend and retract. The shear force compression block 72 can fit against the outer surface of the lamp body 1 to compress. The pressure sensor 71 can detect the force of the compression shear force. Finally, the shear force seat 4 can rotate left and right on the support seat 3. At the same time, the support seat 3 can push the shear force seat 4 up and down, so that shear force load tests can be performed on different positions of the lamp body 1. The structure is reasonable, facilitates rapid testing, and is easy to adjust.

[0030] Specifically, the clamping mechanism includes a fixed ring 6 and a clamping plate 523. The fixed ring 6 is fixedly connected to two vertical rods 24. A second helical gear 61 is rotatably connected to the top of the fixed ring 6. A third gear 611 is fixedly connected to the second helical gear 61. A third servo motor 62 is fixedly connected to the fixed ring 6. A fourth gear 621 fixed to the output shaft of the third servo motor 62 meshes with the third gear 611. The third servo motor 62 is electrically connected to the controller 8.

[0031] Both ends of the top of the positioning seat 5 are provided with limit ports 51. A screw 52 is rotatably connected inside the limit port 51. A first helical gear 521 is fixedly connected to one end of the screw 52, ​​and the first helical gear 521 is meshed with a second helical gear 61. An L-shaped push rod 522 with threaded engagement is provided at the other end of the screw 52, ​​and a clamping plate 523 is fixedly connected to one end of the L-shaped push rod 522.

[0032] The bottom end of the lamp body 1 passes through the second helical gear 61.

[0033] By adopting the above technical solution, the clamping mechanism can fix the lamp body 1 on the positioning seat 5, which is convenient for replacing the lamp body 1 for testing. When the lamp body 1 is inserted into the positioning seat 5, the third servo motor 62 is turned on to drive the fourth gear 621 to rotate. The fourth gear 621 drives the meshing third gear 611 to rotate. The third gear 611 drives the second helical gear 61 to rotate. The second helical gear 61 drives the meshing first helical gear 521 to rotate. The first helical gear 521 drives the screw 52 to rotate. The screw 52 drives the threaded L-shaped push rod 522 to move within the limiting port 51. The displaced L-shaped push rod 522 pushes the clamping plate 523 to clamp and fix the lamp body 1.

[0034] Specifically, a second gear 41 is fixedly connected to the shear seat 4, a second servo motor 31 is fixedly connected to the support seat 3, a first gear 32 fixedly connected to the output shaft of the second servo motor 31 meshes with the second gear 41, and the second servo motor 31 is electrically connected to the controller 8.

[0035] By adopting the above technical solution, the second servo motor 31 can drive the shear seat 4 to rotate, that is, the second servo motor 31 can drive the first gear 32 to rotate, the first gear 32 can drive the meshed second gear 41 to rotate, the second gear 41 can drive the shear seat 4 to rotate on the support seat 3, and the shear seat 4 can drive the two connected hydraulic cylinders 7 to perform steering adjustment.

[0036] Specifically, a first servo motor 23 is fixedly connected to the bottom of the test bench 2. A lead screw 231 is fixedly connected to the output shaft of the first servo motor 23. One end of the lead screw 231 is connected through the fixed plate 22, and the lead screw 231 is threadedly engaged with the fixed plate 22. The first servo motor 23 is electrically connected to the controller 8.

[0037] By adopting the above technical solution, the first servo motor 23 can drive the support seat 3 to rise and fall. That is, the first servo motor 23 can drive the lead screw 231 to rotate, the lead screw 231 drives the threaded fixed plate 22 to rise and fall, and the fixed plate 22 drives the connected support seat 3 to rise and fall through the slide rod 21, thereby causing the support seat 3 to drive the connected shear seat 4 to rise and fall.

[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A static load shear load testing device for a buried lamp, comprising a lamp body (1) and a test bed (2), characterized in that: The top of the test bench (2) is fixedly connected with two vertical rods (24), one end of the two vertical rods (24) is fixedly connected with a positioning seat (5), and the lamp body (1) penetrates the positioning seat (5), the clamping mechanism provided on the positioning seat (5) is used for clamping and fixing the lamp body (1), two slide rods (21) are movably and penetratively connected on the test bench (2), one end of the two slide rods (21) is fixedly connected with a fixed plate (22), the other end of the two slide rods (21) is fixedly connected with a support seat (3), the support seat (3) is rotatably connected with a shear seat (4), the two ends of the top of the shear seat (4) are fixedly connected with a hydraulic cylinder (7), the telescopic end of the hydraulic cylinder (7) is fixedly connected with a pressure sensor (71), the pressure sensor (71) is fixedly connected with a shear extrusion block (72), one side of the test bench (2) is fixedly connected with a controller (8), and the hydraulic cylinder (7) and the pressure sensor (71) are electrically connected with the controller (8) through wires.

2. The static load shear load test device for a buried lamp according to claim 1, characterized in that: The clamping mechanism comprises a fixed ring (6) and a clamping plate (523), the fixed ring (6) is fixedly connected on the two vertical rods (24), the top of the fixed ring (6) is rotatably connected with a second bevel gear (61), the second bevel gear (61) is fixedly connected with a third gear (611), the fixed ring (6) is fixedly connected with a third servo motor (62), the fourth gear (621) fixedly connected with the output shaft of the third servo motor (62) is meshedly connected with the third gear (611), and the third servo motor (62) is electrically connected with the controller (8).

3. The static load shear load test device for a buried lamp according to claim 2, characterized in that: The two ends of the top of the positioning seat (5) are provided with limiting openings (51), the inside of the limiting opening (51) is rotatably connected with a screw rod (52), one end of the screw rod (52) is fixedly connected with a first bevel gear (521), the first bevel gear (521) is meshedly connected with the second bevel gear (61), and the other end of the screw rod (52) is provided with an L-shaped push rod (522) in threaded cooperation, and the clamping plate (523) is fixedly connected on one end of the L-shaped push rod (522).

4. The static load shear load test device for a buried lamp according to claim 3, characterized in that: The bottom end of the lamp body (1) penetrates into the second bevel gear (61).

5. The static load shear load testing device for a buried lamp according to claim 1, wherein: The shear seat (4) is fixedly connected with a second gear (41), the support seat (3) is fixedly connected with a second servo motor (31), the first gear (32) fixedly connected with the output shaft of the second servo motor (31) is meshedly connected with the second gear (41), and the second servo motor (31) is electrically connected with the controller (8).

6. The static load shear load testing device for a buried lamp according to claim 1, wherein: The bottom of the test bench (2) is fixedly connected with a first servo motor (23), the output shaft of the first servo motor (23) is fixedly connected with a lead screw (231), one end of the lead screw (231) penetrates and is connected on the fixed plate (22), and the lead screw (231) is in threaded cooperation with the fixed plate (22), and the first servo motor (23) is electrically connected with the controller (8).

Images