Lifting platform device

Abstract

The utility model discloses a lifting platform device, which relates to the technical field of mechanical engineering and comprises a screw rod (driving), a square guide pillar, a lifting platform, a screw rod (driven), a round guide pillar, a motor, a synchronous belt and a synchronous wheel, the motor drives the synchronous wheel, the synchronous wheel drives the lead screw (driving) and the lead screw (driven) to rotate through the synchronous belt, and the lead screws rotate to adjust the height of the lifting platform. The square guide column and the round guide column limit the position of the lifting platform. The position of the lifting platform is finely adjusted through a square guide column and a round guide column by adopting a motion mode of a lead screw nut, so that the lifting platform runs stably in the lifting process, a loaded object cannot be displaced, meanwhile, the lifting platform can bear larger weight due to the characteristics of the lead screw nut, and the driven shaft is driven by the driving shaft; the stability of the lifting platform can be guaranteed, the performance of the motor can be utilized to the maximum extent, and the lifting platform is more economical.

Description

TECHNICAL FIELD

[0001] The lifting platform device covers multiple fields such as machinery, electricity, and hydraulic pressure, and mainly relates to the field of mechanical engineering technology. BACKGROUND

[0002] The lifting platform device is a device widely used in the fields of industry, logistics, and construction. The design and manufacture of the lifting platform need to consider various factors such as carrying capacity, stability, and operation convenience. In modern industrial production, the lifting platform has become an indispensable device, which greatly improves the efficiency of material handling and reduces labor costs.

[0003] Water immersion ultrasonic testing is a very important detection technology, which plays a crucial role in industry, construction, and other fields. This technology uses ultrasonic waves to detect defects and problems in materials, which can help ensure the safety and reliability of equipment and structures.

[0004] In ultrasonic testing, the posture of the object needs to be adjusted constantly to facilitate the detection of defects. When the object to be detected is too large, the water tank will be very deep, which is not convenient for unloading, and the depth of the object to be detected cannot be adjusted in time and quickly according to the needs. SUMMARY

[0005] The problem to be solved by the present application is that when the transported object is too large and heavy, the lifting platform is used instead of manual loading and unloading to realize automatic detection, and the relative position of the object to be detected and the detection probe can be adjusted by adjusting the height of the lifting platform, which improves the efficiency while ensuring the safety of the detection personnel.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] The application discloses a lifting platform device which comprises a driving screw rod 1, square guide columns 2, a lifting platform 7, a driven screw rod 19, round guide columns 25, a motor 28, a synchronous belt 29 and a synchronous wheel 30. The motor 28 drives the synchronous wheel 30, the synchronous wheel 30 drives the driving screw rod 1 and the driven screw rod 19 to rotate through the synchronous belt 29, and the rotation of the screw rod adjusts the height of the lifting platform. The square guide column 2 and the round guide column 25 limit the position of the lifting platform 7, thereby ensuring the stable lifting of the lifting platform. A screw nut 16 is sleeved on the driving screw rod 1, the screw nut 16 is sleeved with a screw nut clamping block No. 1 15, the screw nut clamping block No. 1 15 is connected with a screw nut clamping block No. 2 33 through screw cooperation of the rotating shaft 11 on the two sides, the screw nut clamping block No. 2 33 is connected with a square guide column clamping plate No. 1 3 and a lifting platform connecting frame side plate 12 through screw cooperation of the rotating shaft 11 on the two sides, the square guide column clamping plate No. 1 3 and the lifting platform connecting frame side plate 12 are connected with a lifting platform connecting frame main plate 9 through screw cooperation, the lifting platform connecting frame main plate 9 is connected with the lifting platform 7 through screw cooperation, one side of the square guide column clamping plate No. 1 3 clamps and fixes a square guide column clamping plate No. 3 5 through screw cooperation of the square guide column clamping plate No. 2 6, the opposite side of the square guide column clamping plate No. 1 3 and the square guide column clamping plate No. 2 6 is connected with a square guide column wear-resistant plate 4 through screw cooperation, the square guide column 2 is fixed on a fixed object, the square guide column wear-resistant plate 4 clamps the square guide column 2, a sprocket 14 is sleeved on the lower end of the driving screw rod 1, two bearings are sleeved below the sprocket 14 and are installed in a back-to-back mode, a bottom bearing flange seat 13 is sleeved outside the bearings, an axle stop ring is fixed below the bottom flange seat, a top bearing seat outer adjusting ring 22 is sleeved on the upper end of the driving screw rod 1, a top bearing seat inner adjusting ring 22 is sleeved inside the top bearing seat outer adjusting ring 22, bearings are arranged inside the outer adjusting ring and are installed in a face-to-face mode, a top bearing seat end cover 21 is installed on the upper end of the bearing seat through screw cooperation, the synchronous wheel 30 is arranged on the top end of the driving screw rod 1, a speed reducer 27 is fixed on a fixed object, the speed reducer 27 is provided with the motor 28 at one end, the speed reducer 27 is sleeved with the synchronous wheel 30, and the synchronous wheel 30 is driven through a belt pulley.

[0008] Screws are arranged around the top bearing seat outer adjusting ring 22, the lower end of the top bearing seat 20 is of a rectangular structure, screws are convenient to abut against, and the top bearing seat 20 is fixed and adjusted.

[0009] The square guide column wear-resistant plate 4 is made of PEEK material, the material is characterized in wear resistance, the square guide column wear-resistant plate 4 clamps the square guide column 2 on the two sides, and the lifting platform 7 can be prevented from being deviated leftward and rightward during lifting.

[0010] The driven screw rod 19 is sleeved with the screw nut 16, the screw nut 16 is sleeved with the screw nut clamping block 15, the screw nut clamping block 15 is sleeved with the screw nut clamping block No. 1 15, the screw nut clamping block No. 1 15 is connected with the screw nut clamping block No. 2 33 through the screw of the rotating shaft 11 on both sides, the screw nut clamping block No. 2 33 is connected with the lifting platform connecting frame side plate 12 through the screw on both sides, the lifting platform connecting frame side plate 12 is connected with the lifting platform connecting frame main plate 9 through the screw, the lifting platform connecting frame main plate 9 is connected with the lifting platform 7 through the screw, the driven screw rod 19 is sleeved with the chain wheel 14 at the lower end, the chain wheel 14 is sleeved with two bearings below, which are installed in the back-to-back form, the bearings are sleeved with the bottom bearing flange seat 13 outside, the shaft stop ring is fixed below the bottom flange seat, the top bearing seat outer adjusting ring 22 is sleeved with the top bearing seat outer adjusting ring 22 inside on the upper end of the driven screw rod 19, the bearings are installed in the face-to-face form inside the outer adjusting ring, and the top bearing seat end cover 21 is installed above the bearing seat through the screw.

[0011] The round guide pillar 25 is sleeved with the shaft sleeve, the shaft sleeve is sleeved with the round guide pillar lock block 17 outside, the round guide pillar lock block 17 is sleeved with the circumferential stop piece above through the screw, the round guide pillar lock block 17 is connected with the two round guide pillar clamping blocks No. 1 8 through the screw on both sides, the two round guide pillar clamping blocks No. 1 are connected with the round guide pillar clamping block No. 2 23 through the screw, the round guide pillar clamping block No. 2 23 is connected with the lifting platform 7 through the screw with the platform directional shaft, the round guide pillar 25 is provided with the round guide pillar support seat 10 at the bottom end, and the round guide pillar top cover 24 is arranged at the upper end of the round guide pillar 25.

[0012] The round guide pillar 25 is sleeved with the shaft sleeve, the shaft sleeve is made of high-molecular composite wear-resistant engineering plastic, has excellent wear resistance and smoothness, and can ensure that the lifting platform 7 does not deviate left and right during lifting. The lifting platform 7 is provided with the lifting platform cushion steel 26, the screw nut clamping block No. 2 33 is connected with the lifting platform connecting frame side plate 12 through the screw of the rotating shaft 11 on both sides, the lifting platform connecting frame side plate 12 is connected with the lifting platform connecting frame main plate 9 through the screw, and the lifting platform connecting frame main plate 9 is connected with the lifting platform 7 through the screw.

[0013] The round guide pillar 25 is sleeved with the shaft sleeve, the shaft sleeve is made of high-molecular composite wear-resistant engineering plastic, has excellent wear resistance and smoothness, and can ensure that the lifting platform 7 does not deviate left and right during lifting. The lifting platform 7 is provided with the lifting platform cushion steel 26, the screw nut clamping block No. 2 33 is connected with the lifting platform connecting frame side plate 12 through the screw of the rotating shaft 11 on both sides, the lifting platform connecting frame side plate 12 is connected with the lifting platform connecting frame main plate 9 through the screw, and the lifting platform connecting frame main plate 9 is connected with the lifting platform 7 through the screw.

[0014] Beneficial effect: a lifting platform device, including driving screw, square guide column, lifting platform, driven screw, round guide column, motor, synchronous belt, synchronous wheel; motor drives synchronous wheel, synchronous wheel drives driving screw and driven screw to rotate through synchronous belt, screw rotation adjusts lifting platform height; square guide column and round guide column limit the position of lifting platform. The movement mode of screw nut and fine adjustment of the position of lifting platform through square guide column and round guide column make the lifting platform run smoothly during lifting process, and the objects carried will not be displaced, and the characteristics of screw nut make the lifting platform can carry greater weight, and the form of driving shaft driving driven shaft can not only ensure the stability of lifting platform, but also can maximize the performance of motor, and is more economical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front structure schematic diagram of the lifting platform device of the application.

[0016] Figure 2 It is an assembly drawing structure schematic diagram of the driving screw of the lifting platform device of the application.

[0017] Figure 3 It is an assembly drawing structure schematic diagram of the driven screw of the lifting platform device of the application.

[0018] Figure 4 It is an assembly drawing structure schematic diagram of the round guide column 25 of the lifting platform device of the application.

[0019] Drawing mark: 1-driving screw, 2-square guide column, 3-square guide column clamp plate No.1, 4-square guide column wear plate, 5-square guide column clamp plate No.3, 6-square guide column clamp plate No.2, 7-lifting platform, 8-round guide column clamp block No.1, 9-lifting platform connecting frame main plate, 10-round guide column support seat, 11-rotating shaft, 12-lifting platform connecting frame side plate, 13-bottom bearing flange seat, 14-sprocket, 15-screw nut clamp block No.1, 16-screw nut, 17-round guide column lock block, 18-shaft sleeve stop piece, 19-driven screw, 20-top bearing seat, 21-top bearing seat end cover, 22-top bearing seat outer adjusting ring, 23-round guide column clamp block No.2, 24-round guide column top cover, 25-round guide column, 26-lifting platform pad steel, 27-reducer, 28-motor, 29-synchronous belt, 30-synchronous wheel, 32-shaft sleeve, 33-screw nut clamp block No.2. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical scheme of the application more clear and convenient to understand. The application is further described in detail below in combination with the drawings and examples, and the specific examples described herein are only used to explain the application, and are not used to limit the application.

[0021] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Referring to Figure 2 , the main lead screw 1 is sleeved with a lead screw nut 16, the lead screw nut 16 is sleeved with a lead screw nut clamping block No. 1 15, the lead screw nut clamping block No. 1 15 is connected with the lead screw nut clamping block No. 2 33 through the screw cooperation of the rotating shaft 11 on both sides, the lead screw nut clamping block No. 2 33 is connected with the square guide column clamping plate No. 1 3 and the lifting platform connecting frame side plate 12 through the screw cooperation of the rotating shaft 11 on both sides, the square guide column clamping plate No. 1 3 and the lifting platform connecting frame side plate 12 are connected with the lifting platform connecting frame main plate 9 through screw cooperation, the lifting platform connecting frame main plate 9 is connected with the lifting platform 7 through screw cooperation, one side of the square guide column clamping plate No. 1 3 is connected with the square guide column clamping plate No. 2 6 through screw cooperation to clamp and fix the square guide column clamping plate No. 3 5, the opposite side of the square guide column clamping plate No. 1 3 and the square guide column clamping plate No. 2 6 is connected with the square guide column wear-resistant plate 4 through screw cooperation to fix the square guide column 2 on the fixed object, the square guide column wear-resistant plate 4 clamps the square guide column 2, the lower end of the main lead screw 1 is sleeved with a chain wheel 14, two bearings are sleeved below the chain wheel 14, installed in back-to-back form, the outside of the bearings is sleeved with a bottom bearing flange seat 13, an axle retainer ring is fixed below the bottom flange seat, the upper end of the main lead screw 1 is sleeved with a top bearing seat outer adjusting ring 22, the inside of the top bearing seat outer adjusting ring 22 is sleeved with a top bearing seat outer adjusting ring 22, the inside of the outer adjusting ring is provided with a bearing, installed in face-to-face form, a top bearing seat end cover 21 is installed on the bearing seat in the upper part through screw cooperation, the main lead screw 1 is provided with a synchronous wheel 30 at the top end, a speed reducer 27 is fixed on the fixed object, the speed reducer 27 is provided with a motor 28 at one end, the shaft sleeve of the speed reducer 27 is provided with a synchronous wheel 30, the synchronous wheels 30 are driven through a belt pulley.

[0023] Referring to Figure 2 , the top bearing seat outer adjusting ring 22 is provided with screws around, the lower end of the top bearing seat 20 is of rectangular structure, facilitating the screw to push up, fix and adjust the top bearing seat 20.

[0024] Referring toFigure 1 The square guide pillar wear plate 4 is made of PEEK material, which has the characteristic of wear resistance. The two square guide pillar wear plates 4 sandwich the square guide pillar 2, which can ensure that the lifting platform 7 does not deviate left and right during lifting.

[0025] Referring to Figure 3 The driven screw rod 19 is sleeved with a screw nut 16, the screw nut 16 is sleeved with a screw nut clamping block 15, the screw nut clamping block 15 is sleeved with a screw nut clamping block No. 1 15, the two sides of the screw nut clamping block No. 1 15 are connected with the screw nut clamping block No. 2 33 through the screw cooperation of the rotating shaft 11, the two sides of the screw nut clamping block No. 2 33 are connected with the lifting platform connecting frame side plate 12 through the screw cooperation of the rotating shaft 11, the lifting platform connecting frame side plate 12 is connected with the lifting platform connecting frame main plate 9 through screw cooperation, the lifting platform connecting frame main plate 9 is connected with the lifting platform 7 through screw cooperation, the lower end of the driven screw rod 19 is sleeved with a chain wheel 14, two bearings are sleeved below the chain wheel 14, which are installed in a back-to-back manner, the outside of the bearings is sleeved with a bottom bearing flange seat 13, and an axle retainer ring is fixed below the bottom flange seat. The upper end of the driven screw rod 19 is sleeved with a top bearing seat outer adjusting ring 22, the inside of the top bearing seat outer adjusting ring 22 is sleeved with a top bearing seat outer adjusting ring 22, the inside of the outer adjusting ring is provided with a bearing, which is installed in a face-to-face manner, and the top bearing seat end cover 21 above the bearing seat is installed in screw cooperation.

[0026] Referring to Figure 4 The round guide pillar 25 is sleeved with a shaft sleeve, the outside of the shaft sleeve is sleeved with a round guide pillar lock block 17, the upper side of the round guide pillar lock block 17 is provided with a circumferential retainer plate through screw cooperation, the two sides of the round guide pillar lock block 17 are connected with two round guide pillar clamping blocks No. 1 88 through screw cooperation of the rotating shaft 11, the two round guide pillar clamping blocks No. 1 sandwich and fix the round guide pillar clamping block No. 2 23 through screw cooperation, the round guide pillar clamping block No. 2 23 is connected with the lifting platform 7 through screw cooperation with the platform directional shaft, the bottom end of the round guide pillar 25 is provided with a round guide pillar support seat 10, and the upper end of the round guide pillar 25 is provided with a round guide pillar top cover 24.

[0027] The round guide pillar 25 is sleeved with a shaft sleeve, which is made of high-molecular composite material wear-resistant engineering plastic, has excellent wear resistance and smoothness, and can ensure that the lifting platform 7 does not deviate left and right during lifting.

[0028] Referring to Figure 4 The upper end of the round guide pillar 25 is provided with a round guide pillar top cover 24, a part of the upper end of the round guide pillar 25 is cut off to form a plane, so that the screw can pass through the threaded hole of the round guide pillar top cover 24 to abut against the round guide pillar 25.

[0029] Referring to Figure 1This structure can drive the motor 28, so that the synchronous wheel 30 on the speed reducer 27 drives the driven screw 19 through the synchronous belt 29, and under the action of the square guide column 2 and the round guide column 25, stable lifting work can be completed, and deviation does not occur.

Claims

1. A lifting platform device, characterized in that: It includes a drive screw (1), a square guide column (2), a lifting platform (7), a driven screw (19), a round guide column (25), a motor (28), a synchronous belt (29), and a synchronous pulley (30); the motor (28) drives the synchronous pulley (30), and the synchronous pulley (30) drives the drive screw (1) and the driven screw (19) to rotate through the synchronous belt (29), and the rotation of the screw adjusts the height of the lifting platform; the square guide column (2) and the round guide column (25) limit the position of the lifting platform (7).

2. The lifting platform device according to claim 1, characterized in that it is active. A screw nut (16) is fitted on the screw rod (1), and a screw nut clamp 1 (15) is fitted on the screw nut (16). The screw nut clamp 1 (15) is connected to the screw nut clamp 2 (33) on both sides through the screws of the rotating shaft (11). A sprocket (14) is fitted on the lower end of the drive screw (1), and two bearings are fitted on the sprocket (14) in a back-to-back configuration. A bottom bearing flange seat (13) is fitted on the outside of the bearings, and a shaft retaining ring is installed below the bottom bearing flange seat (13) for fixing. An outer adjusting ring (22) is fitted on the upper end of the drive screw (1). The outer adjusting ring (22) of the bearing housing is fitted with a top bearing housing (20), which contains a bearing. The lower end of the top bearing housing (20) is rectangular, which is convenient for screws to hold, fix and adjust the top bearing housing (20). The top bearing housing end cover (21) above the bearing housing is installed with screws. The top of the drive screw (1) is fitted with a synchronous pulley (30). The reducer (27) is fixed on a fixed object. One end of the reducer (27) is fitted with a motor (28). The reducer (27) has a synchronous pulley (30) on its bushing. The synchronous pulleys (30) are driven by a belt pulley.

3. The lifting platform device according to claim 1, characterized in that: The square guide post (2) is fixed on the fixed object. The square guide post wear plate (4) is made of PEEK material. The square guide post wear plates (4) on both sides clamp the square guide post (2) to ensure that the lifting platform (7) does not shift left or right during the lifting process. The screw nut clamping block 2 (33) is connected to the square guide post clamping plate 1 (3) and the side plate (12) of the lifting platform connecting frame through the screws of the rotating shaft (11). The square guide post clamping plate 1 (3) and the side plate (12) of the lifting platform connecting frame are connected to the main board (9) of the lifting platform connecting frame through the screws. The main board (9) of the lifting platform connecting frame is connected to the lifting platform (7) through the screws. The square guide post clamping plate 1 (3) on one side clamps the square guide post clamping plate 3 (5) with the square guide post clamping plate 2 (6) through the screws. The square guide post clamping plate 1 (3) and the square guide post clamping plate 2 (6) on opposite sides are connected to the square guide post wear plate (4) through the screws.

4. The lifting platform device according to claim 1, characterized in that: The lifting platform (7) is equipped with a lifting platform pad steel (26). The screw nut clamp block No. 2 (33) is connected to the side plate (12) of the lifting platform connecting frame through the screws of the rotating shaft (11). The side plate (12) of the lifting platform connecting frame is connected to the main board (9) of the lifting platform connecting frame through the screws. The main board (9) of the lifting platform connecting frame is connected to the lifting platform (7) through the screws.

5. A lifting platform device according to claim 1, characterized in that: A screw nut (16) is fitted on the driven screw (19), and a screw nut clamp is fitted on the screw nut (16). The screw nut clamp 1 (15) is connected to the screw nut clamp 2 (33) on both sides through the screws of the rotating shaft (11). A sprocket (14) is fitted on the lower end of the driven screw (19). Two bearings are fitted on the lower part of the sprocket (14) and installed back to back. A bottom bearing flange seat (13) is fitted on the outside of the bearings. A shaft retaining ring is installed below the bottom flange seat. A top bearing seat outer adjustment ring (22) is fitted on the upper end of the driven screw (19). A bearing is installed inside the top bearing seat outer adjustment ring (22) and screws are installed around it. The bearings are installed face to face. The top bearing seat end cover (21) above the bearing seat is installed with screws.

6. A lifting platform device according to claim 1, characterized in that: The round guide column (25) is fitted with a bushing. The bushing is made of wear-resistant engineering plastic of high polymer composite material, which has excellent wear resistance and smoothness. At the same time, it can ensure that the lifting platform (7) does not shift left or right during the lifting process. The bushing is fitted with a round guide column locking block (17). A Zhou Tao baffle is installed on the top of the round guide column locking block (17) by screws. The two sides of the round guide column locking block (17) are connected to two round guide column clamping blocks No. 1 (8) by screws through the rotating shaft (11). The two round guide column clamping blocks No. 1 are clamped and fixed between the two round guide column clamping blocks No. 2 (23) by screws. The round guide column clamping block No. 2 (23) is connected to the lifting platform (7) by screws with the platform orientation shaft. The bottom of the round guide column (25) is fitted with a round guide column support seat (10), and the top of the round guide column (25) is fitted with a round guide column top cover (24).

7. A lifting platform device according to claim 1, characterized in that: The upper end of the round guide post (25) is fitted with a round guide post top cover (24). A portion of the upper end of the round guide post (25) is cut off to form a flat surface, so that the screw can pass through the threaded hole on the round guide post top cover (24) to press against the round guide post (25).

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