Flexible combined type lifting system for complex cavity type parts

Abstract

The invention discloses a flexible combined type lifting system for complex cavity parts, which comprises a frame body, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism and a lifting mechanism, and is characterized in that the frame body is provided with two parallel main beams; the bottoms of the main beams are connected with a transverse moving trolley in a sliding mode, and the transverse moving trolley stretches across the two main beams and moves in the longitudinal direction of the main beams. The electric hoist is arranged on the transverse moving trolley in a sliding manner; the top of the material taking clamping jaw is detachably connected with a lifting hook of the electric hoist; a plurality of claw bodies are symmetrically arranged at the bottom of the material taking clamping claw with respect to the center of the material taking clamping claw. Each claw body comprises an internal expansion type clamp and a driving device used for driving the internal expansion type clamp to be opened or closed. The control module is connected with the electric hoist and the driving devices and used for controlling the electric hoist to hoist parts and adjusting the state of the claw bodies by controlling the driving devices. The requirements for precise positioning and safe carrying of complex cavity parts can be met, and the construction efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of lifting devices, and more specifically, to a flexible combined lifting system for complex cavity parts. Background Art

[0002] With the acceleration of industrialization, the challenges of handling and installing heavy and non-standard parts, especially large cavity parts, are increasing. These cavity parts are not only large and heavy, but also have complex and changeable structural characteristics, such as irregular shapes and special spaces, which greatly increase the difficulty and risk of lifting operations. Due to these characteristics, traditional lifting equipment is difficult to meet the needs of precise positioning and safe handling, which not only affects work efficiency, but also may bring safety hazards. Summary of the invention

[0003] An object of the present invention is to solve at least the above problems and to provide at least the advantages which will be described hereinafter.

[0004] In order to achieve these purposes and other advantages according to the present invention, a flexible modular lifting system for complex cavity parts is provided, comprising:

[0005] The frame has two parallel main beams; the bottom of the main beams is slidably connected to a trolley, which spans the two main beams and moves longitudinally along the main beams;

[0006] An electric hoist, which is slidably arranged on the transverse trolley;

[0007] A material taking clamp, the top of which is detachably connected to the hook of the electric hoist; a plurality of claw bodies are symmetrically arranged at the bottom of the material taking clamp about the center thereof, and the claw bodies include an internal expansion clamp and a driving device for driving the internal expansion clamp to open or close;

[0008] A control module is connected to the electric hoist and each of the driving devices respectively, and is used to control the electric hoist to lift parts, and to adjust the state of each of the claws by controlling each of the driving devices.

[0009] Preferably, a plurality of columns are symmetrically arranged on the opposite sides of the two main beams, and a plurality of cross beams are arranged above the two main beams at intervals along the longitudinal direction thereof.

[0010] Preferably, the material picking clamp includes a load-bearing plate; a lifting ear is fixedly provided on the top of the load-bearing plate, and a connecting block is symmetrically provided on the bottom of the load-bearing plate about its center, the connecting block is arranged radially along the load-bearing plate, and a plurality of connecting holes are provided along its longitudinal direction.

[0011] Preferably, the internal expansion clamp includes a connecting rod and a sleeve, one end of the connecting rod is detachably connected to the connecting block, and the other end is fixedly connected to the outer wall of the sleeve, a screw is passed through the sleeve, and a slider is threadedly connected to the screw, and a plurality of support rods are symmetrically arranged about the center of the screw at one end close to the center of the load-bearing plate, and pull rods are respectively arranged on the outer periphery of the slider corresponding to each of the support rods, and both ends of each of the pull rods are respectively hinged to the support rod and the slider; the drive device is fixedly arranged on the end of the sleeve away from the support rod, and the output end of the drive device is coaxially and fixedly connected to the screw.

[0012] Preferably, a pressure block is hingedly connected to one end of the support rod away from the screw rod, and a compression spring is provided between the pressure block and the support rod.

[0013] Preferably, an anti-slip pad is fixedly provided on a side of the pressing block facing away from the support rod.

[0014] Preferably, a pressure sensor is embedded in the center of the anti-slip pad.

[0015] Preferably, the connecting rod is a telescopic structure.

[0016] The present invention has at least the following beneficial effects:

[0017] The flexible combined lifting system for complex cavity parts provided by the present invention can drive the parts to move longitudinally and transversely in the plane where the frame is located through the main beam and the transverse trolley. The positioning and fixation of the parts are achieved through the material-taking clamps, and the internal expansion clamps in the claws are extended into the inner cavity of the parts to fix the parts. Multiple claws can be flexibly selected according to the needs of the parts to adapt to the irregular shape of the parts. This solves the technical problem that the shapes of complex cavity parts are irregular and the inner cavity shapes are complex, and conventional hoists are difficult to meet the needs of accurate positioning and safe handling. The complex cavity parts can be quickly positioned to improve construction efficiency. In addition, the control module can adjust the position of the electric hoist according to the lifting requirements of the parts, and at the same time control the driving devices of each claw to control the opening or closing of the internal expansion clamps to fix or release the parts.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the flexible combined lifting system of the present invention;

[0020] Figure 2 It is a schematic diagram of the side structure of the material taking clamping claw of the present invention;

[0021] Figure 3 A top view of the bottom of the load-bearing plate of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the support rod of the present invention; DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0024] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] like Figures 1 to 4 As shown, the present invention provides a flexible combined lifting system for complex cavity parts, comprising:

[0026] The frame has two parallel main beams 1; the bottom of the main beams 1 is slidably connected with a trolley 4, the trolley 4 spans the two main beams 1 and moves longitudinally along the main beams 1;

[0027] An electric hoist 5, which is slidably arranged on the transverse trolley 4;

[0028] A material taking clamp, the top of which is detachably connected to the hook of the electric hoist 5; a plurality of claw bodies are symmetrically arranged at the bottom of the material taking clamp about its center, and the claw body includes an internal expansion clamp and a driving device 10 for driving the internal expansion clamp to open or close;

[0029] The control module is connected to the electric hoist 5 and each of the driving devices 10 respectively, and is used to control the electric hoist to lift parts, and to adjust the state of each of the claws by controlling each of the driving devices.

[0030] In this technical solution, the frame is firstly set up according to the parts lifting path, and the length of the main beam 1 needs to meet the displacement requirements of the parts lifting. Then the transverse trolley 4 is installed at the bottom of the main beam 1, and the sliding connection between the transverse trolley 4 and the main beam 1 can adopt the connection method of the transverse trolley in a conventional gantry crane. Then the electric hoist 5 is installed on the transverse trolley. Preferably, the electric hoist can adopt a European electric hoist, which has the characteristics of compact structure, light weight, small size, and easy operation, such as the commercially available CD1 / MD1 electric hoist; the electric hoist 5 moves longitudinally along the transverse trolley 4 through its own electric trolley. Then, through the main beam 1 and the transverse trolley 4, the electric hoist 5 drives the parts to move longitudinally and transversely within the plane where the frame is located. Considering that the complex cavity parts have irregular shapes and complex inner shapes, conventional hoists are difficult to meet the requirements of accurate positioning and safe handling. Therefore, the material-retrieving clamp is set up, and the parts are fixed by extending the internal expansion clamp in the claw body into the inner cavity of the part. Multiple claw bodies can be flexibly selected according to the needs of the parts to adapt to the irregular shape of the parts. The control module can be connected to the drive module in the transverse trolley and the electric hoist 5 to adjust the position of the electric hoist 5 according to the part lifting requirements, and at the same time control the drive device 10 of each claw body to control the opening or closing of the internal expansion clamp to fix or release the parts.

[0031] In another technical solution, a plurality of columns 3 are symmetrically arranged on the opposite sides of the two main beams 1, and a plurality of cross beams 2 are arranged longitudinally above the two main beams 1. The main beams 1, the columns 3 and the cross beams 2 together constitute the frame, which serves as the load-bearing structure of the lifting system.

[0032] In another technical solution, the material picking clamp includes a load-bearing plate 7; a lifting ear 6 is fixedly provided on the top of the load-bearing plate 7, and a connecting block 8 is symmetrically provided on the bottom of the load-bearing plate 7 about its center, and the connecting block 8 is provided along the radial direction of the load-bearing plate 7, and a plurality of connecting holes are provided along its longitudinal direction. The connecting block 8 is provided in a one-to-one correspondence with the claw body. The material picking clamp is used to fix parts. Considering the irregularity of the shape of complex cavity parts, a plurality of connecting blocks 8 are provided at the bottom of the load-bearing plate 7. When in use, the connecting block 8 at the corresponding position can be flexibly selected according to the shape characteristics of the parts, and then the claw body can be installed in the appropriate connecting hole on the selected connecting block 8; that is, by selecting appropriate connecting blocks 8 and connecting holes, parts of different outer dimensions can be adapted.

[0033] Further, the internal expansion clamp comprises a connecting rod 9 and a sleeve 11, one end of the connecting rod 9 is detachably connected to the connecting block 8, and the other end is fixedly connected to the outer wall of the sleeve 11, a screw 12 is inserted into the sleeve 11, a slider 13 is threadedly connected to the screw 12, a plurality of support rods 15 are symmetrically arranged about the center of the screw 12 at one end close to the center of the load-bearing plate 9, a pull rod 14 is arranged on the outer periphery of the slider 13 corresponding to each support rod 15, and the two ends of each pull rod 14 are respectively hinged to the support rod 15 and the slider 13; the drive device 10 is fixedly arranged at one end of the sleeve 11 away from the support rod 15, and the output end of the drive device 10 is coaxially fixedly connected to the screw 12. The internal expansion clamp is connected to the connecting block 8 via the connecting rod 9. The support rod 15 and the pull rod 14 are used to extend into a cavity of the part, and then the driving device 10 is turned on to drive the screw rod 12 to rotate. At this time, the slider 13 moves toward one end of the center of the load-bearing plate 7, and at the same time drives each of the pull rods 14 to open the corresponding support rod 15 until the end of the support rod 15 abuts against the inner cavity wall of the part, and the driving device 10 is closed to complete the fixation of the claw body and the part. When the part needs to be released, the driving device 10 is started again, and the screw rod 12 is driven to reverse. At this time, the slider 13 moves to the other end, and at the same time drives each of the pull rods 14 to close the corresponding support rod 15, so that it can withdraw from the inner cavity of the part. Preferably, the driving device 10 can use a micro motor, which is fixed to the end of the sleeve 11 through a support plate.

[0034] Considering that the contact area between the end of the support rod 15 and the inner cavity wall of the part is small, in order to increase the stability between the internal expansion clamp and the part, a pressure block 16 is hingedly connected to one end of the support rod 15 away from the screw rod 12, and a compression spring 17 is arranged between the pressure block 16 and the support rod 15. The contact area between the end of the support rod 15 and the inner cavity wall of the part is increased by the pressure block 16, and under the action of the compression spring 17, the pressure block 16 is always in contact with the inner cavity wall of the part. The two ends of the compression spring 17 are fixedly connected to the support rod 15 and the pressure block 16 respectively.

[0035] In order to further improve the stability of the internal expansion clamp during the part lifting process, an anti-slip pad is fixedly provided on the side of the pressing block 16 facing away from the support rod 15 .

[0036] Furthermore, a pressure sensor is embedded in the center of the anti-slip mat. The pressure sensor can be used to more intuitively determine whether each of the pressure blocks 16 is in close contact with the inner cavity wall of the part. The pressure sensor can be a micro pressure sensor, which is connected to the control module through a data transmission device. The control module receives the pressure data monitored by each of the pressure sensors, determines whether each of the pressure blocks 16 is in close contact with the inner cavity wall of the part, and provides a certain supporting force; if the requirements are met, the corresponding driving device 10 is turned off; if not, the corresponding driving device 10 is controlled to continue to drive the screw 12 to rotate, so that each of the support rods 15 continues to open until the pressure data monitored by the corresponding pressure sensor meets the set requirements. During the process of hoisting the parts, each of the pressure sensors can also be used to monitor in real time whether each of the internal expansion clamps maintains a stable clamping of the parts. If the pressure block 16 is loosened from the inner cavity wall of the part, the hoisting can be immediately suspended and adjusted to avoid unexpected situations, damage to the parts, and safety accidents.

[0037] In another technical solution, the connecting rod 9 is a telescopic structure. By adjusting the length of the connecting rod 9, parts of different heights can be adapted, further improving the applicability of the material-retrieving clamp. The connecting rod 9 can be a telescopic support rod commonly used in engineering construction.

[0038] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A flexible combined lifting system for complex cavity parts, characterized in that: include: The frame has two parallel main beams; the bottom of the main beams is slidably connected to a trolley, which spans the two main beams and moves longitudinally along the main beams; An electric hoist, which is slidably arranged on the transverse trolley; A material taking clamp, the top of which is detachably connected to the hook of the electric hoist; a plurality of claw bodies are symmetrically arranged at the bottom of the material taking clamp about the center thereof, and the claw bodies include an internal expansion clamp and a driving device for driving the internal expansion clamp to open or close; A control module is connected to the electric hoist and each of the driving devices respectively, and is used to control the electric hoist to lift parts, and to adjust the state of each of the claws by controlling each of the driving devices.

2. The flexible combined lifting system for complex cavity parts according to claim 1 is characterized in that: A plurality of columns are symmetrically arranged on one side of the two main beams which are away from each other, and a plurality of cross beams are arranged above the two main beams at intervals along the longitudinal direction thereof.

3. The flexible combined lifting system for complex cavity parts according to claim 1 is characterized in that: The material picking clamp includes a load-bearing plate; a lifting lug is fixedly arranged on the top of the load-bearing plate, and a connecting block is symmetrically arranged on the bottom of the load-bearing plate about its center, the connecting block is arranged radially along the load-bearing plate, and a plurality of connecting holes are arranged along its longitudinal direction.

4. The flexible combined lifting system for complex cavity parts as claimed in claim 3 is characterized in that: The internal expansion clamp includes a connecting rod and a sleeve, one end of the connecting rod is detachably connected to the connecting block, and the other end is fixedly connected to the outer wall of the sleeve, a screw is passed through the sleeve, and a slider is threadedly connected to the screw, and a plurality of support rods are symmetrically arranged about the center of the screw at one end close to the center of the load-bearing plate, and pull rods are respectively arranged on the outer periphery of the slider corresponding to each of the support rods, and both ends of each of the pull rods are respectively hinged to the support rod and the slider; the drive device is fixedly arranged on the end of the sleeve away from the support rod, and the output end of the drive device is coaxially and fixedly connected to the screw.

5. The flexible combined lifting system for complex cavity parts according to claim 4 is characterized in that: A pressure block is hingedly connected to one end of the support rod away from the screw rod, and a compression spring is arranged between the pressure block and the support rod.

6. The flexible combined lifting system for complex cavity parts according to claim 5 is characterized in that: An anti-skid pad is fixedly arranged on one side of the pressing block away from the supporting rod.

7. The flexible combined lifting system for complex cavity parts according to claim 6 is characterized in that: A pressure sensor is embedded in the center of the anti-slip pad.

8. The flexible combined lifting system for complex cavity parts according to claim 4, characterized in that: The connecting rod is a telescopic structure.

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