Optical cable impact test device for constructional engineering

Abstract

The utility model discloses an optical cable impact testing device for constructional engineering, and particularly relates to the technical field of optical cable performance testing, which comprises a base, a left support frame and a right support frame are symmetrically and fixedly mounted on the upper end surface of the base, and the left support frame is positioned on the left side of the right support frame; the upper ends of the left supporting frame and the right supporting frame are symmetrically and fixedly installed on the lower end face of an upper installation plate, an upper installation block is fixedly installed in the middle of the lower end face of the upper installation plate, and an upper pulley is fixedly installed at the lower end of the upper installation block. A winding wheel is fixedly arranged on the threaded rod and located in the mounting groove in a sleeving mode, and the front end of the threaded rod penetrates through the front end of the left supporting frame, extends to the front side of the left supporting frame and is fixedly connected with a handle. According to the building optical cable impact testing device, impact testing can be carried out on a building optical cable, and the impact force of the rectangular impact block can be accurately controlled, so that the accuracy of testing the building optical cable is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical cable performance test, specifically to a building engineering optical cable impact test device. BACKGROUND

[0002] The optical cable impact resistance performance test device is a device for testing the impact resistance performance of optical cables in building engineering. By simulating the impact situation, the structural integrity and fiber performance of the optical cable under impact can be tested, providing reliable data support for engineering design and construction.

[0003] The authorized patent with application number 201821782771.0 includes a base plate, a support, a locking assembly, and an impact unit. The support is fixed to the base plate. The locking assembly is provided with two groups, and the two groups of locking assemblies are oppositely arranged on the base plate. The two ends of the optical cable are connected to the two groups of locking assemblies, respectively. The impact unit is installed on the support and includes a weight arranged above the two groups of locking assemblies and a lifting assembly that drives the weight to lift.

[0004] The above-mentioned comparative document has the following problems:

[0005] It is difficult to precisely adjust the height of the weight, thereby making it difficult to precisely control the impact force received by the optical cable, and thus it is difficult to precisely measure the structure and performance of the optical cable after receiving different sizes of impact force, thereby making it difficult to measure the ultimate impact resistance of the optical cable, which affects the measurement effect.

[0006] Therefore, we improve it and propose a building engineering optical cable impact test device. CONTENT OF THE UTILITY MODEL

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] The utility model discloses a building engineering optical cable impact test device, including the base, the base upper end face symmetry fixed installation has left support frame and right support frame, and left support frame is located right support frame left side, and left support frame and right support frame upper end symmetry fixed installation is in the upper mounting plate lower end face, the upper mounting plate lower end face middle part position fixed mounting has the upper mounting block, and the upper mounting block lower end fixed mounting has the upper pulley;

[0009] The left support frame right end is provided with a mounting groove, and a threaded rod is rotatably installed at the inner rear end face of the mounting groove. A winding wheel is fixedly sleeved on the threaded rod and located inside the mounting groove. The front end of the threaded rod penetrates through the front end of the left support frame and extends to the front side of the left support frame, and a handle is fixedly connected to the front end of the threaded rod. A locking nut is threadedly sleeved on the threaded rod and located at the front side of the left support frame. A rope is wound around the winding wheel, and one end of the rope is fixedly connected to the winding wheel. The other end of the rope penetrates through the upper pulley and is fixedly connected to the upper end of the rectangular impact block.

[0010] As a preferred technical scheme of the utility model, two guide vertical rods are symmetrically and fixedly installed on the lower end of the upper mounting block, and the rectangular impact block is sleeved on the guide vertical rod in the vertical direction.

[0011] As a preferred technical scheme of the utility model, a distance sensor is fixedly installed on the lower end face of the upper mounting block and located above the rectangular impact block.

[0012] A controller is fixedly installed on the right end of the base, a display screen is fixedly installed on the front end face of the right supporting frame, the distance sensor is electrically connected with the controller, and the controller is electrically connected with the display screen.

[0013] As a preferred technical scheme of the utility model, two positioning assemblies are symmetrically and fixedly installed on the upper end face of the base and located on the front and back sides of the impact block.

[0014] As a preferred technical scheme of the utility model, the positioning assembly comprises a gantry positioning frame, a vertical screw rod is threaded through the upper end of the gantry positioning frame and arranged vertically, and a positioning pressing plate is rotatably installed on the lower end of the vertical screw rod.

[0015] As a preferred technical scheme of the utility model, an arc-shaped positioning groove is formed in the lower end of the positioning pressing plate.

[0016] As a preferred technical scheme of the utility model, a rubber damping pad is fixedly installed on the lower end face of the base.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] 1. The optical cable impact testing device for building engineering can first position the two ends of the building optical cable through the positioning assembly, then rotate the threaded rod through the handle, thereby driving the winding wheel to rotate and winding the rope, thereby driving the rectangular impact block to move upwards, tightening the locking nut can lock the threaded rod, thereby locking the rope, and the rectangular impact block moving upwards can be fixed, the building optical cable can be placed directly below the rectangular impact block, then the locking nut is loosened, the rectangular impact block falls down to impact the building optical cable, after the impact is completed, the building optical cable is taken out, whether the optical fiber in the building optical cable is broken, whether the attenuation change value is within the specified range value, and whether the sheath of the building optical cable is cracked are detected, so as to determine whether the impact resistance of the building optical cable meets the use requirement.

[0019] 2、The distance between the sensing end of the distance sensor and the base is X, the height of the rectangular impact block is Z, the distance information of the rectangular impact block can be collected through the distance sensor, and the information is transmitted to the controller, the distance information is converted into data Y by the controller, then the distance between the lower impact surface of the rectangular impact block and the base is X-Y-Z, which is recorded as W, the controller sends the data W to the display screen in real time, and the display screen can display the impact height of the rectangular impact block in real time, so that the height of the rectangular impact block can be accurately grasped, and the influence of the rectangular impact block at different heights on the building optical cable can be measured.

[0020] The utility model discloses can realize the impact test to building optical cable, and can accurately control the impact force size of rectangular impact block, thereby greatly improve the accuracy of building optical cable test. ACCURACY

[0021] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0022] Figure 1 It is a kind of building engineering optical cable impact testing device structure schematic view of the utility model;

[0023] Figure 2 It is a kind of building engineering optical cable impact testing device upside structure schematic view of the utility model;

[0024] Figure 3 It is a kind of building engineering optical cable impact testing device positioning assembly structure schematic view of the utility model.

[0025] In the drawing: 1, base;2, handle;3, left support frame;4, rope;5, upper mounting plate;6, upper pulley;7, upper mounting block;8, right support frame;9, display screen;10, rectangular impact block;11, guide vertical rod;12, controller;13, positioning assembly;14, distance sensor;15, winding wheel;16, mounting groove;1301, vertical screw;1302, gantry positioning frame;1303, positioning pressing plate. DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0027] Embodiment: as Figures 1-2As shown, the utility model discloses a building engineering optical cable impact testing device, including base 1, the upper end surface symmetry fixed mounting of base 1 has left support frame 3 and right support frame 8, and left support frame 3 is located right support frame 8 left side, and the upper end symmetry fixed mounting of left support frame 3 and right support frame 8 is in the lower end surface of upper mounting plate 5, the lower end surface middle position fixed mounting of upper mounting plate 5 has upper mounting block 7, and the lower end fixed mounting of upper mounting block 7 has upper pulley 6;

[0028] The right end of left support frame 3 is provided with a mounting groove 16, and a threaded rod is rotatably installed at the inner rear end face of the mounting groove 16. A winding wheel 15 is fixedly sleeved on the threaded rod and located inside the mounting groove 16. The front end of the threaded rod penetrates through the front end of the left support frame 3 and extends to the front side of the left support frame 3, and a handle 2 is fixedly connected to the front end of the threaded rod. A locking nut is threadedly sleeved on the threaded rod and located at the front side of the left support frame 3. The winding wheel 15 is wound with a rope 4, one end of which is fixedly connected to the winding wheel 15, and the other end of the rope 4 penetrates through the upper pulley 6 and is fixedly connected to the upper end of the rectangular impact block 10.

[0029] By rotating the threaded rod through the handle 2, the winding wheel 15 can be driven to rotate to wind the rope 4, thereby driving the rectangular impact block 10 to move upward. By tightening the locking nut, the threaded rod can be locked, thereby locking the rope 4, and the upwardly moving rectangular impact block 10 can be fixed. The building optical cable can be placed directly below the rectangular impact block 10, and then the locking nut can be loosened. At this time, the rectangular impact block 10 falls down to impact the building optical cable.

[0030] After the impact is completed, the building optical cable is taken out, and whether the optical fiber in the building optical cable is broken, whether the value of the attenuation change is within the specified range, and whether the sheath of the building optical cable is cracked are detected to determine whether the impact resistance of the building optical cable meets the use requirements.

[0031] In this embodiment, two guide vertical rods 11 are symmetrically fixedly installed at the lower end of the upper mounting block 7. The rectangular impact block 10 is slidably sleeved on the guide vertical rods 11 in the vertical direction. The distance between the lower end of the guide vertical rod 11 and the upper end of the base 1 is less than the height of the rectangular impact block 10, which can effectively prevent the rectangular impact block 10 from separating from the guide vertical rod 11 when falling.

[0032] By setting the guide vertical rod 11, the falling rectangular impact block 10 can be guided.

[0033] A distance sensor 14 is fixedly installed at the lower end of the upper mounting block 7 and located above the rectangular impact block 10.

[0034] A controller 12 is fixedly installed at the right end of the base 1, and a display screen 9 is fixedly installed at the front end of the right support frame 8. The distance sensor 14 is electrically connected to the controller 12, and the controller 12 is electrically connected to the display screen 9.

[0035] The distance sensor 14 senses the distance between the end and the base 1, the height of the rectangular impact block 10 is Z, the distance information of the rectangular impact block 10 can be collected through the distance sensor 14, and the information is transmitted to the controller 12, the controller 12 is a SC200 general-purpose controller, the controller 12 converts the distance information into data Y, then the distance between the lower end impact surface of the rectangular impact block 10 and the base 1 is X-Y-Z, which is W, the controller 12 sends the data W to the display screen 9 in real time, and the display screen 9 can display the impact height of the rectangular impact block 10 in real time, so that the staff can accurately grasp the height of the rectangular impact block 10, and the influence of the rectangular impact block 10 at different heights on the building optical cable can be measured.

[0036] As shown in Figures 2-3 The base 1 is symmetrically provided with two positioning assemblies 13 on the upper end surface, and the two positioning assemblies 13 are located on the front and rear sides of the impact block, the positioning assembly 13 comprises a gantry positioning frame 1302, a vertical screw rod 1301 is threaded through the upper end of the gantry positioning frame 1302 and arranged vertically, a positioning pressing plate 1303 is rotatably installed at the lower end of the vertical screw rod 1301, and an arc-shaped positioning groove is formed in the lower end of the positioning pressing plate 1303.

[0037] The building optical cable can be located in the two positioning assemblies 13 respectively, then the vertical screw rod 1301 is twisted to drive the positioning pressing plate 1303 to move downward, and the downward moving positioning pressing plate 1303 can fix the building optical cable on the upper end of the base 1 through the arc-shaped positioning groove.

[0038] As shown in Figures 1-2 The base 1 is symmetrically provided with two positioning assemblies 13 on the upper end surface, and the two positioning assemblies 13 are located on the front and rear sides of the impact block, the positioning assembly 13 comprises a gantry positioning frame 1302, a vertical screw rod 1301 is threaded through the upper end of the gantry positioning frame 1302 and arranged vertically, a positioning pressing plate 1303 is rotatably installed at the lower end of the vertical screw rod 1301, and an arc-shaped positioning groove is formed in the lower end of the positioning pressing plate 1303.

[0039] Through the rubber shock pad, the stability of the utility model in use can be improved.

[0040] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cable impact testing device for use in construction engineering, characterized in that Including base (1), the base (1) upper end face symmetry fixed mounting has left support frame (3) and right support frame (8), and left support frame (3) is located right support frame (8) left side, and left support frame (3) and right support frame (8) upper end symmetry fixed mounting on the lower end surface of upper mounting plate (5), the lower end surface of upper mounting plate (5) middle position fixed mounting has upper mounting block (7), and upper mounting block (7) lower end fixed mounting has upper pulley (6); Left support frame (3) right end is provided with installation groove (16), and the inside rear end surface of installation groove (16) is rotatably installed with threaded rod, and the threaded rod is fixedly sleeved with winding wheel (15) on the inside position of installation groove (16), the threaded rod front end penetrates the front end of left support frame (3), and extends to the front side of left support frame (3), and is fixedly connected with handle (2), and the threaded rod is threadedly sleeved with locking nut on the front side position of left support frame (3), winding wheel (15) is wound with rope (4), and one end of rope (4) is fixedly connected with winding wheel (15), the other end of rope (4) passes through upper pulley (6), and is fixedly connected with the upper end of rectangular impact block (10).

2. A cable impact testing device for use in construction engineering according to claim 1, characterized in that The lower end of the upper mounting block (7) is symmetrically fixedly installed with two guide vertical rods (11), and the rectangular impact block (10) is slidably sleeved on the guide vertical rods (11) in the vertical direction.

3. A cable impact testing device for use in construction engineering according to claim 2, characterized in that The lower end surface of the upper mounting block (7) is fixedly installed with a distance sensor (14) above the rectangular impact block (10). The base (1) right end is fixedly installed with controller (12), and the front end surface of right support frame (8) is fixedly installed with display screen (9), and the distance sensor (14) is electrically connected with the controller (12), and the controller (12) is electrically connected with the display screen (9).

4. A cable impact testing device for use in construction engineering according to claim 3, characterized in that The upper end surface of the base (1) is symmetrically fixedly installed with two positioning assemblies (13), and the two positioning assemblies (13) are respectively located on the front and rear sides of the impact block.

5. A cable impact testing device for use in construction engineering according to claim 4, characterized in that The positioning assembly (13) comprises a gantry positioning frame (1302), and a vertical screw rod (1301) is threadedly penetrated into the gantry positioning frame (1302) and vertically arranged, and a positioning pressing plate (1303) is rotatably installed at the lower end of the vertical screw rod (1301).

6. A cable impact testing device for use in construction engineering according to claim 5, characterized in that An arc-shaped positioning groove is formed in the lower end of the positioning pressing plate (1303).

7. A cable impact testing device for use in construction engineering according to claim 6, characterized in that A rubber shock pad is fixedly installed on the lower end surface of the base (1).

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