Tower crane motor positioning test frame

Abstract

The utility model relates to a tower crane motor positioning test frame, which belongs to the technical field of motor test and comprises a mounting bottom plate, a mounting base is fixedly mounted at the top of the mounting bottom plate, and a tower crane motor is bolted at the top of the mounting base through bolts and nuts. According to the tower crane motor positioning test frame, the mounting base is arranged at the top of the mounting bottom plate, the tower crane motor is bolted to the mounting base, the controller controls the tower crane motor to rotate, and the photoelectric rotating speed measuring head is adjusted to be aligned with the shaft sleeve on the surface of the output shaft of the tower crane motor through the rotating speed detection assembly; laser emitted by the photoelectric rotating speed measuring head is reflected to the photoelectric rotating speed measuring head through the reflective strip on one side of the detection plate, and the output rotating speed of the tower crane motor is detected, so that the problem that the performance of the tower crane motor needs to be tested before installation and the motor can operate normally after being installed on the tower crane is solved. At present, no special device for tower crane motor detection exists, so that the tower crane motor detection process is relatively tedious.

Description

Technical Field

[0001] The utility model relates to the technical field of motor testing, in particular to a positioning test rack for tower crane motors. Background Technique

[0002] A tower crane, also known as a tower hoist, is a common lifting device mainly used for the vertical and horizontal transportation of materials and the installation of building components in high-rise building construction. A tower crane consists of three parts: a metal structure, a working mechanism, and an electrical system. Among them, the metal structure includes a tower body, a jib, a base, etc., which is the main skeleton of the tower crane; the working mechanism includes four parts: hoisting, luffing, slewing, and traveling. These parts work together to enable the tower crane to complete various complex lifting operations; the electrical system consists of motors, controllers, distribution cabinets, connection lines, signal and lighting devices, etc., to ensure the power supply and signal control of the tower crane.

[0003] Tower crane motors are the power sources of each working mechanism of tower cranes, and their performance directly affects the operation efficiency and safety of tower cranes. There are various types of tower crane motors, including hoisting motors, slewing motors, trolley luffing motors, etc. Each motor has its specific functions and requirements. The main function of the hoisting motor is to control the up and down movement of the hook, and the slewing motor is used to control the rotation movement of the jib. The trolley luffing motor is used to drag the hanging bracket on the jib, and the trolley moves back and forth on the jib.

[0004] Before the installation of these tower crane motors, performance tests need to be carried out to ensure that the motors can operate normally after being installed on the tower crane. However, there is currently no special device for testing tower crane motors, which makes the testing process of tower crane motors more cumbersome, time-consuming and laborious. In view of this, this application proposes a positioning test rack for tower crane motors. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a positioning test rack for tower crane motors, which has the advantages of performing performance detection on tower crane motors, etc., and solves the problems that tower crane motors need to perform performance tests before installation to ensure that the motors can operate normally after being installed on the tower crane. However, there is currently no special device for testing tower crane motors, which makes the testing process of tower crane motors more cumbersome.

[0006] To achieve the above object, the utility model provides the following technical solution: A positioning test rack for tower crane motors, including an installation base plate, an installation base is fixedly installed on the top of the installation base plate, a tower crane motor is bolted and nut-bolted to the top of the installation base, a shaft sleeve is sleeved on the output end of the tower crane motor, a detection plate is fixedly installed on the surface of the shaft sleeve, a connection through hole is opened on the top of the detection plate, a reflective strip is fixedly installed on one side of the detection plate, and a rotational speed detection component is fixedly installed on the top of the installation base plate;

[0007] The rotational speed detection component includes a chute fixedly installed at the top of the installation base plate. A screw rod is rotatably installed on the inner side wall of the chute. A slider threadedly connected to the screw rod is slidably installed inside the chute. An optoelectronic rotational speed detector is fixedly installed at the top of the slider.

[0008] Furthermore, a first partition plate is fixedly installed at the top of the installation base plate. A moving motor is fixedly installed on one side of the first partition plate. The output end of the moving motor is fixedly connected to one end of the screw rod.

[0009] Furthermore, a protective cover is fixedly installed at the top of the installation base plate. A second partition plate is fixedly installed between the inner side walls of the first partition plate and the protective cover. A controller is fixedly installed at the top of the second partition plate.

[0010] Furthermore, four legs are fixedly installed at the bottom of the installation base plate. A support plate is fixedly installed at the bottom of the legs.

[0011] Furthermore, an acrylic door panel is hinged to the front of the protective cover aligned with the tower crane motor. A touch panel is fixedly installed on the front of the protective cover aligned with the controller. A counterweight assembly is arranged at the bottom of the installation base plate.

[0012] Furthermore, the counterweight assembly includes a pulling rope passing through the bottom of the installation base plate. A limiting plate is fixedly installed at one end of the pulling rope above the installation base plate. A hook is rotatably installed at the top of the limiting plate. A counterweight block is arranged at one end of the pulling rope below the installation base plate.

[0013] Furthermore, an installation frame is fixedly installed at the bottom of the installation base plate. A guide wheel is rotatably installed inside the installation frame. The pulling rope is wound around the surface of the guide wheel.

[0014] Compared with the prior art, the present utility model provides a positioning test rack for a tower crane motor, having the following beneficial effects:

[0015] For this positioning test rack for a tower crane motor, by arranging an installation base at the top of the installation base plate, bolting the tower crane motor to the installation base, controlling the rotation of the tower crane motor through the controller, adjusting the optoelectronic rotational speed detector to align with the bushing on the surface of the output shaft of the tower crane motor through the rotational speed detection component, and the laser emitted by the optoelectronic rotational speed detector is reflected to the optoelectronic rotational speed detector through the reflective strip on one side of the detection plate to detect the output rotational speed of the tower crane motor, it solves the problem that for a tower crane motor, performance testing is required before installation to ensure that the motor can operate normally after being installed on the tower crane. However, currently, there is no special device for detecting tower crane motors, making the detection process of tower crane motors relatively cumbersome. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 This is the front view of the structure of the present utility model;

[0018] Figure 3 This is the installation schematic diagram of the counterweight assembly of the present utility model;

[0019] Figure 4 This is the three-dimensional schematic diagram of the structure of the present utility model.

[0020] In the figure: 1, mounting base plate; 2, mounting base; 3, tower crane motor; 4, bushing; 5, detection plate; 51, connection through hole; 6, reflective strip; 7, chute; 8, screw; 9, slider; 10, photoelectric rotational speed detector; 11, first partition board; 12, moving motor; 13, second partition board; 14, controller; 15, protective cover; 16, leg; 17, support plate; 18, acrylic door panel; 19, touch panel; 20, counterweight assembly; 201, pulling rope; 202, limiting plate; 203, hook; 204, counterweight block; 21, mounting frame; 22, guide wheel. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment 1: Please refer to Figures 1 to 4 , a positioning and testing rack for a tower crane motor, comprising a mounting base plate 1, a mounting base 2 is fixedly installed on the top of the mounting base plate 1, a tower crane motor 3 is bolted and nut-bolted on the top of the mounting base 2, a bushing 4 is sleeved on the output end of the tower crane motor 3, a detection plate 5 is fixedly installed on the surface of the bushing 4, a connection through hole 51 is opened on the top of the detection plate 5, a reflective strip 6 is fixedly installed on one side of the detection plate 5, and a rotational speed detection component is fixedly installed on the top of the mounting base plate 1.

[0023] Among them, the rotational speed detection component includes a chute 7 fixedly installed on the top of the mounting base plate 1, a screw 8 is rotatably installed on the inner side wall of the chute 7, a slider 9 threaded with the screw 8 is slidably installed inside the chute 7, and a photoelectric rotational speed detector 10 is fixedly installed on the top of the slider 9. When the tower crane motor 3 is started, it drives the bushing 4 to rotate, drives the detection plate 5 to rotate. After aligning the photoelectric rotational speed detector 10 with the corresponding bushing 4, the light source is reflected by the reflective strip 6 to detect the rotational speed of the tower crane motor 3.

[0024] Meanwhile, a first partition plate 11 is fixedly installed on the top of the installation base plate 1. A moving motor 12 is fixedly installed on one side of the first partition plate 11. The output end of the moving motor 12 is fixedly connected to one end of the screw rod 8. The moving motor 12 drives the screw rod 8 to rotate, drives the slider 9 to slide inside the sliding groove 7, and drives the photoelectric tachometer head 10 to align with the corresponding shaft sleeve 4.

[0025] Among them, a protective cover 15 is fixedly installed on the top of the installation base plate 1. A second partition plate 13 is fixedly installed between the inner side walls of the first partition plate 11 and the protective cover 15. A controller 14 is fixedly installed on the top of the second partition plate 13.

[0026] Secondly, four legs 16 are fixedly installed on the bottom of the installation base plate 1. A support plate 17 is fixedly installed at the bottom of the legs 16.

[0027] An acrylic door panel 18 is hinged to the front side of the protective cover 15 aligned with the tower crane motor 3. A touch panel 19 is fixedly installed on the front side of the protective cover 15 aligned with the controller 14. Observe the operation of the tower crane motor 3 through the acrylic door panel 18.

[0028] Embodiment 2: On the basis of Embodiment 1, a counterweight assembly 20 is provided at the bottom of the installation base plate 1.

[0029] Among them, the counterweight assembly 20 includes a pulling rope 201 passing through the bottom of the installation base plate 1. A limiting plate 202 is fixedly installed at one end of the pulling rope 201 above the installation base plate 1. A hook 203 is rotatably installed on the top of the limiting plate 202. A counterweight 204 is provided at one end of the pulling rope 201 below the installation base plate 1.

[0030] Secondly, an installation frame 21 is fixedly installed on the bottom of the installation base plate 1. A guide wheel 22 is rotatably installed inside the installation frame 21. The pulling rope 201 is wound around the surface of the guide wheel 22. By hanging the hook 203 on the connection through hole 51 on the detection plate 5 and setting a counterweight 204 simulating a load at one end of the pulling rope 201, start the tower crane motor 3 to test whether the tower crane motor 3 can bear the corresponding load.

[0031] When this embodiment is in use, the controller 14 is controlled through the touch panel 19, the tower crane motor 3 is controlled to operate, the moving motor 12 is controlled to operate, so that the photoelectric tachometer head 10 is aligned with the corresponding shaft sleeve 4, the rotational speed of the tower crane motor 3 is detected, and the load-bearing condition of the tower crane motor 3 is tested by hanging the hook 203 on the connection through hole 51 on the detection plate 5.

[0032] The electrical components mentioned in the text are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer for control, and the existing publicly disclosed power connection technology will not be elaborated in the text.

[0033] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0034] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A tower crane motor positioning test stand, comprising a mounting base plate (1), characterized in that: A mounting base (2) is fixedly mounted on the top of the mounting base (1); a tower crane motor (3) is bolted to the top of the mounting base (2) via bolts and nuts; a shaft sleeve (4) is sleeved on the output end of the tower crane motor (3); a detection plate (5) is fixedly mounted on the surface of the shaft sleeve (4); a connecting through hole (51) is provided on the top of the detection plate (5); a reflective strip (6) is fixedly mounted on one side of the detection plate (5); and a rotation speed detection component is fixedly mounted on the top of the mounting base (1); The rotation speed detection component comprises a slide groove (7) fixedly mounted on the top of the mounting base plate (1); a screw rod (8) is rotatably mounted on the inner side wall of the slide groove (7); a slider (9) threadedly connected to the screw rod (8) is slidably mounted inside the slide groove (7); and a photoelectric rotation speed measuring head (10) is fixedly mounted on the top of the slider (9).

2. A tower crane motor positioning test stand according to claim 1, characterized in that: A first partition plate (11) is fixedly mounted on the top of the mounting base plate (1), a movable motor (12) is fixedly mounted on one side of the first partition plate (11), and an output end of the movable motor (12) is fixedly connected to one end of a screw rod (8).

3. A tower crane motor positioning test rack according to claim 2, characterized in that: A shield (15) is fixedly mounted on the top of the mounting base plate (1), a second partition (13) is fixedly mounted between the first partition (11) and the inner side wall of the shield (15), and a controller (14) is fixedly mounted on the top of the second partition (13).

4. A tower crane motor positioning test rack according to claim 3, characterized in that: Four supporting legs (16) are fixedly mounted on the bottom of the mounting base plate (1), and a supporting plate (17) is fixedly mounted on the bottom of the supporting legs (16).

5. A tower crane motor positioning test rack according to claim 4, characterized in that: An acrylic door panel (18) is hingedly connected to the front of the shield (15) aligned with the tower crane motor (3), a touch panel (19) is fixedly installed to the front of the shield (15) aligned with the controller (14), and a counterweight assembly (20) is arranged at the bottom of the mounting base plate (1).

6. A tower crane motor positioning test stand according to claim 5, characterized in that: The counterweight assembly (20) comprises a pull rope (201) passing through the bottom of the installation base plate (1); a limit plate (202) is fixedly mounted on one end of the pull rope (201) located above the installation base plate (1); a hook (203) is rotatably mounted on the top of the limit plate (202); and a counterweight block (204) is arranged on one end of the pull rope (201) located below the installation base plate (1).

7. A tower crane motor positioning test stand according to claim 6, characterized in that: A mounting frame (21) is fixedly mounted on the bottom of the mounting base plate (1), a guide wheel (22) is rotatably mounted inside the mounting frame (21), and a pull rope (201) is wound around the surface of the guide wheel (22).

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