An electric rotary lifting and swinging boom

Abstract

The present invention discloses an electric rotating lifting swing boom, which relates to the technical field of swing booms and includes a box frame, wherein a telescopic rod is installed at the middle of the bottom end of the box frame. The electric rotating lifting swing boom can manually swing the left hanging plate or the cross auxiliary swing frame forward or backward before hoisting the equipment in mid-air, so that the left hanging plate and the cross auxiliary swing frame are displaced forward and backward along the longitudinal direction, and can adjust the spatial dislocation of the equipment hoisted on the left hanging plate and the cross auxiliary swing frame in a small range, so as to meet different use conditions, and the tongue groove on the surface of the right hanging plate is provided on the upper and lower sides of the two horizontal rows of assembly blocks, so that the tongue groove on the surface of the right hanging plate is correspondingly engaged with the assembly blocks on the left hanging plate, thereby expanding the lifting surface on both sides of the main frame of the boom in the horizontal direction, expanding the horizontal lifting space of the main frame of the boom, and adjusting and changing the safe working position that the main frame of the boom can be hoisted according to specific use requirements.

Description

Technical Field

[0001] The invention relates to the technical field of swing booms, in particular to an electric rotary lifting swing boom. Background Art

[0002] At present, the hoists on the market are divided into manual hoist devices, power rope hoist devices and hydraulic hoist devices, etc. Different operating methods have different working environments. There are rope-type hoists that are specially used on construction sites and can be used with cranes, and there are hoisting hoists that are specially used for lighting equipment on the stage. The lighting equipment needs to be hoisted and suspended at a certain height, and the hoisted equipment also needs to be rotated and adjusted in height up and down, as well as swaying flexibility within a certain range. Therefore, the design of the hoist needs to be developed to be safer and lighter.

[0003] The existing swing boom cannot be adjusted for spatial misalignment within a small range and can only be used under a single working condition. The lifting surface on both sides of the boom main frame cannot be expanded. The hoisting space of the boom is limited and cannot be adjusted. The safe working position that the boom main frame can be hoisted to cannot be adjusted according to specific usage requirements. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electric rotary lifting and swinging boom, comprising a box frame, a telescopic rod is installed at the middle of the bottom end of the box frame;

[0005] The drive assembly is also included, which is installed in the middle of the inner side of the box frame, and the drive assembly includes a stepper motor installed in the middle of the left side plate of the box frame, an active tooth is installed on the output end of the stepper motor, and is rotatably installed on the side of the left side plate of the box frame away from the stepper motor, an auxiliary tooth is rotatably installed in the middle of the right side plate of the box frame, and is arranged on a side close to the active tooth, and is rotatably installed with the right side plate of the box frame, a ring gear disk is installed in the middle of the bottom plate of the box frame, the active tooth and the auxiliary tooth are both meshed with the ring gear disk, the ring gear disk is installed with the stepper motor through the active tooth, the middle of the top end of the ring gear disk is connected with a vertical suspension rod, and the bottom of the vertical suspension rod is installed with the flange of the telescopic rod, the top of the vertical suspension rod is installed in the middle of the top plate of the box frame through a bearing, and the ring gear disk is rotatably installed with the box frame through the vertical suspension rod, which is used for limiting and guiding the ring gear disk;

[0006] A swing control rod, the swing control rod having a flange mounted on the bottom of the telescopic rod, the swing control rod comprising a first base plate having a flange mounted on the telescopic end of the telescopic rod, a cross plate block being rotatably mounted on the bottom of the first base plate, a double-ply plate body being clamped on the outer side of the cross plate block, and a swing control member being mounted on the inner middle part of the double-ply plate body;

[0007] The outer surface of the telescopic rod is covered with a cylinder, and the outer surface of the cylinder is symmetrically mounted with four connecting hinge blocks, and the middle of the connecting hinge block is mounted with a suspension rope through a bolt;

[0008] The swing control member comprises a large-diameter rod inserted in the middle of the double-ply plate body, and a central thick-diameter tube is sleeved on the middle of the outer surface of the large-diameter rod.

[0009] Preferably, a second base plate is rotatably mounted on the bottom of the double-ply plate body, and button teeth are connected to the bottom sides of the second base plate in a centrally symmetrical shape. Variable diameter grooves are provided on the middle sides of the cross disk block and the double-ply plate body, and are provided in a circular array. There are three groups of the same variable diameter grooves, totaling six. Each group of variable diameter grooves is centrally symmetrically arranged about the central axis of the double-ply plate body, and the diameters of the three groups of variable diameter grooves decrease successively in a clockwise direction.

[0010] Preferably, the middle part of the bottom end of the double-ply plate body and the middle part of the top end of the cross disk block are fixedly connected with a rotating chuck, the double-ply plate body is rotatably mounted with the second base disk via the rotating chuck, and the cross disk block is rotatably mounted with the first base disk via the rotating chuck.

[0011] Preferably, a boom main frame is installed at the bottom end of the swing control rod, and the boom main frame includes a left hanger plate and a right hanger plate, and the two are symmetrically installed on both sides of the bottom end of the swing control rod and arranged parallel to each other. The two ends between the left hanger plate and the right hanger plate are hinged with cross auxiliary swing frames, and there are two of them. A cross swing frame is hinged in the middle between the left hanger plate and the right hanger plate. The cross auxiliary swing frame has the same structure as the cross swing frame. Through the movable hinge cooperation of the cross auxiliary swing frame and the cross swing frame, the left hanger plate and the right hanger plate can be partially dislocated along the longitudinal direction with the cross swing frame as the center, and can be unilaterally offset forward or backward to partially change the adjustment and change of the local spatial position of the hoisted equipment by the boom main frame, so that the spatial position of the hoisted equipment can be adjusted more precisely and the operation is more stable and safe.

[0012] Preferably, a turntable is installed at the hinge in the middle of the cross pendulum frame, an oblique eight-slot is opened in the middle of the top of the turntable, a positioning pin is inserted at the outer side opening of the oblique eight-slot, and the second base plate is assembled in the oblique eight-slot on the top of the turntable through button teeth and positioning pins, wherein the second base plate is twisted and clamped in the oblique eight-slot by the button teeth, and the positioning pin is used to position the button teeth and insert them in the oblique eight-slot, so that the boom main frame and the pendulum control rod can be quickly assembled and disassembled, and the structures are firmly connected, the installation method is simple, and it is easy to operate.

[0013] Preferably, the left and right hanger plates are fixedly connected with assembling blocks on their back sides, and tongue grooves are provided on their back sides, wherein the tongue groove on the surface of the left hanger plate is provided between the two horizontal rows of assembling blocks, and the tongue groove on the surface of the right hanger plate is provided on the upper and lower sides of the two horizontal rows of assembling blocks, so that the tongue groove on the surface of the right hanger plate is correspondingly engaged with the assembling blocks on the left hanger plate, and the tongue groove on the surface of the left hanger plate is correspondingly engaged with the assembling blocks on the right hanger plate, so that more additional plate frames can be assembled with bolts together with the boom main frame, thereby expanding the lifting surface on both sides of the boom main frame in the horizontal direction, expanding the horizontal lifting space of the boom main frame, and being able to adjust and change the safe working position that the boom main frame can be lifted in accordance with specific usage requirements.

[0014] Preferably, additional plate frames are symmetrically installed on both sides of the boom main frame, and large bolts are installed at the bolts at the assembly points of the additional plate frames and the boom main frame. The additional plate frames are installed with the bolts of the boom main frame through the large bolts, and the end of the lifting rope away from the hinge block is installed with the bolts of the additional plate frames through the large bolts. The lifting rope is used to assist in lifting the two additional plate frames, which plays a role of supporting and limiting the range of movement. It can provide a layer of structural protection for the safe use of the additional plate frames during the overall swinging of the boom, eliminating the risk of the additional plate frames accidentally detaching from the boom main frame.

[0015] Preferably, the outer surface of the central large-diameter tube is connected to double-stacked rods in a circular array, which are three groups, totaling six, and each group of double-stacked rods is centrally symmetrically arranged about the central axis of the large-diameter rod, and the diameters of the three groups of double-stacked rods decrease successively in a clockwise direction, and arc-shaped hoop grooves are symmetrically opened at both ends of the outer surface of the large-diameter rod.

[0016] Preferably, both ends of the outer surface of the large diameter rod are symmetrically provided with offset guide grooves, and the side away from the end of the large diameter rod is connected to the arc hoop groove, and the double stacked rod is matched with the variable diameter groove, and the double stacked rod is inserted accordingly according to the change in diameter size and the change in the slot diameter size of the variable diameter groove, and can ensure the large diameter rod to be offset and shaken in a small range in the middle of the double plywood body, and the cross disk block is installed in combination with the large diameter rod and the double plywood body.

[0017] Preferably, the inner wall of the double plywood body is symmetrically installed with elastic guide rods, and the number is four, two in each group, symmetrically installed on the inner wall of the double plywood body, the elastic guide rods are elastically installed with the inner wall of the double plywood body, the large diameter rod is limitedly installed with the elastic guide rod through the arc hoop groove, and the elastic guide rod can be separated from the arc hoop groove along the guiding path of the offset guide groove, and the offset guide groove is used to prevent the elastic guide rod from easily separating from the arc hoop groove, and is designed to have a unique fold. The offset guide groove can effectively prevent the elastic guide rod from easily separating from the arc hoop groove, so that the large diameter rod can be stably installed in the middle of the double plywood body.

[0018] The present invention provides an electric rotary lifting and swinging boom, which has the following beneficial effects:

[0019] 1. The electric rotating lifting and swinging boom can manually swing the left hanging plate or the cross auxiliary swing frame forward or backward before hoisting the equipment into the air, so that the left hanging plate and the cross auxiliary swing frame are displaced front and back along the longitudinal direction. The equipment hoisted on the left hanging plate and the cross auxiliary swing frame at a close distance can be adjusted for spatial dislocation within a small range to meet different usage conditions.

[0020] Second, the electric rotary lifting and swinging boom can be separated from the arc hoop groove along the guiding path of the offset guide groove through the elastic guide rod, and the offset guide groove is used to prevent the elastic guide rod from being easily separated from the arc hoop groove. The offset guide groove is designed with unique folds to effectively prevent the elastic guide rod from being easily separated from the arc hoop groove, so that the large diameter rod can be stably installed in the middle of the double splint body.

[0021] 3. The electric rotary lifting and swinging boom can adjust the overall lifting height of the boom main frame by starting the telescopic rod to extend or retract. It can control the swing amplitude between the cross disk block and the double plywood body by changing the transformation insertion of the large-diameter rod between the three groups of reducing grooves of different calibers, and utilizing the different effective activity ranges of double plywood bodies of different diameters inside the reducing grooves of different calibers, so as to realize the swing movement of the boom within a specified range.

[0022] Fourth, the electric rotating lifting and swinging boom, through the active hinged cooperation of the cross auxiliary swing frame and the cross hanging swing frame, can make the left hanging plate and the right hanging plate partially dislocated along the longitudinal direction with the cross hanging swing frame as the center, and can shift forward or backward unilaterally to partially change the local spatial position of the hoisted equipment by the boom main frame, so as to adjust the spatial position of the hoisted equipment more precisely and make the operation more stable and safe.

[0023] 5. The electric rotating lifting and swinging boom has tongue grooves on the surface of the right hanging plate opened on the upper and lower sides of the two horizontal rows of assembling blocks, so that the tongue grooves on the surface of the right hanging plate correspond to the assembling blocks on the left hanging plate, and the tongue grooves on the surface of the left hanging plate correspond to the assembling blocks on the right hanging plate. Therefore, multiple additional plate frames can be assembled with bolts together with the boom main frame, thereby expanding the lifting surface on both sides of the boom main frame in the horizontal direction, expanding the horizontal lifting space of the boom main frame, and can adjust and change the safe working position that the boom main frame can be hoisted according to specific usage requirements.

[0024] 6. The electric rotating lifting and swinging boom uses a lifting rope to assist in the lifting of the two additional plate frames, thereby playing the role of supporting and limiting the range of movement. During the overall swinging process of the boom, it can provide a layer of structural protection for the safe use of the additional plate frames and eliminate the risk of the additional plate frames accidentally detaching from the main frame of the boom. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the external structure of an electric rotary lifting and swinging boom of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the drive assembly of the present invention;

[0027] Figure 3 This is a schematic diagram of the main frame structure of the boom of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the swing control rod of the present invention;

[0029] Figure 5 It is a schematic diagram of the disassembled structure of the second base plate and the cross pendulum frame of the present invention;

[0030] Figure 6 It is a schematic diagram of the disassembled structure of the sway control rod of the present invention;

[0031] Figure 7 It is a structural schematic diagram of the control element of the present invention;

[0032] Figure 8 It is a schematic diagram of the installation structure of the additional plate frame of the present invention.

[0033] In the figure: 1, box frame; 2, driving assembly; 21, stepping motor; 22, driving gear; 23, auxiliary gear; 24, ring gear plate; 25, hanging rod; 3, telescopic rod; 4, swing control rod; 41, first base plate; 42, cross plate block; 43, double clamping plate body; 44, swing control member; 45, second base plate; 46, button tooth; 47, variable diameter groove; 48, elastic guide rod; 49, rotating chuck; 441 , large diameter rod; 442, central large diameter tube; 443, double stacked rod; 444, arc hoop groove; 445, offset guide groove; 5, left hanging plate; 6, right hanging plate; 7, cross auxiliary swing frame; 8, cross hanging swing frame; 9, turntable; 10, cylinder; 11, connecting hinge block; 12, assembly block; 13, tongue groove; 14, positioning pin; 15, oblique eight groove; 16, lifting rope; 17, additional plate frame; 18, large bolt. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0035] The first embodiment, as Figures 1 to 8 As shown, the present invention provides a technical solution: an electric rotary lifting and swinging boom, comprising a box frame 1, a telescopic rod 3 is installed at the middle of the bottom end of the box frame 1;

[0036] It also includes a driving assembly 2, which is installed in the middle of the inner side of the box frame 1. The driving assembly 2 includes a stepper motor 21 installed in the middle of the left side plate of the box frame 1, and an active tooth 22 is installed on the output end of the stepper motor 21, and is rotatably installed on the side of the left side plate of the box frame 1 away from the stepper motor 21. An auxiliary tooth 23 is rotatably installed in the middle of the right side plate of the box frame 1, and is arranged close to a side of the active tooth 22, and is rotatably installed with the right side plate of the box frame 1. A ring gear disk 24 is installed in the middle of the bottom plate of the box frame 1, and the active tooth 22 and the auxiliary tooth 23 are both meshed with the ring gear disk 24. The ring gear disk 24 is installed with the stepper motor 21 through the active tooth 22. A vertical suspension rod 25 is connected to the middle of the top of the ring gear disk 24, and the bottom of the vertical suspension rod 25 is flange-mounted with the telescopic rod 3. The top of the vertical suspension rod 25 is installed in the middle of the top plate of the box frame 1 through a bearing. The ring gear disk 24 is rotatably installed with the box frame 1 through the vertical suspension rod 25, which is used for limiting and guiding the ring gear disk 24;

[0037] The swing control rod 4 is flange-mounted at the bottom of the telescopic rod 3. The swing control rod 4 comprises a first base plate 41 with a flange mounted at the telescopic end of the telescopic rod 3. A cross plate block 42 is rotatably mounted at the bottom of the first base plate 41. A double clamping plate body 43 is clamped on the outer side of the cross plate block 42. A swing control member 44 is mounted on the inner middle part of the double clamping plate body 43.

[0038] A cylinder 10 is mounted on the outer surface of the telescopic rod 3, and four connecting hinge blocks 11 are symmetrically mounted on the outer surface of the cylinder 10. A suspension rope 16 is mounted on the middle of the connecting hinge block 11 through bolts.

[0039] The swing control member 44 includes a large diameter rod 441 inserted in the middle of the double-ply plate body 43, and a central thick diameter tube 442 is sleeved on the middle of the outer surface of the large diameter rod 441.

[0040] When in use, the equipment to be hoisted can be bolted onto the assembly block 12 of the left hanging plate 5 and the cross auxiliary swing frame 7 by bolts, so as to realize the hoisting of the equipment or lamps; then, by starting the stepper motor 21, the active gear 22 and the auxiliary active gear 23 are simultaneously tightly meshed with the ring gear plate 24, and the telescopic rod 3 with the flange installed at the bottom of the hanging rod 25 can be rotated under the vertical positioning rotation guidance of the hanging rod 25, so that the equipment hoisted in the air can be rotated and adjusted, realizing the electric rotation function of the high hanging rod;

[0041] It is also possible to manually swing the left hanger plate 5 or the cross auxiliary swing frame 7 forward or backward before hoisting the equipment in mid-air, so that the left hanger plate 5 and the cross auxiliary swing frame 7 are displaced front to back along the longitudinal direction. The equipment hoisted on the left hanger plate 5 and the cross auxiliary swing frame 7 at a close distance can be adjusted for spatial dislocation within a small range to meet different usage conditions.

[0042] The second embodiment is based on the first embodiment. Figures 4 to 7 As shown, a second base plate 45 is rotatably mounted on the bottom of the double-plywood body 43, and button teeth 46 are connected to the bottom side of the second base plate 45 in a centrally symmetrical shape. Variable diameter grooves 47 are provided on the middle sides of the cross disk block 42 and the double-plywood body 43, and are provided in a circular array. There are three groups of the same variable diameter grooves 47, totaling six. Each group of variable diameter grooves 47 is centrally symmetrically arranged about the central axis of the double-plywood body 43, and the diameters of the three groups of variable diameter grooves 47 are successively reduced in a clockwise direction; a rotating chuck 49 is fixedly connected to the middle part of the bottom end of the double-plywood body 43 and the middle part of the top end of the cross disk block 42, and the double-plywood body 43 is rotatably mounted on the second base plate 45 through the rotating chuck 49, and the cross disk block 42 is rotatably mounted on the first base plate 41 through the rotating chuck 49.

[0043] The outer surface of the central thick-diameter tube 442 is connected with double-stacked rods 443 in a circular array, and there are three groups, totaling six. Each group of double-stacked rods 443 is centrally symmetrically arranged about the central axis of the large-diameter rod 441, and the diameters of the three groups of double-stacked rods 443 are successively reduced in a clockwise direction. The outer surface of the large-diameter rod 441 is symmetrically provided with arc-shaped hoop grooves 444 at both ends; the outer surface of the large-diameter rod 441 is also symmetrically provided with offset guide grooves 445 at both ends, and the side away from the end of the large-diameter rod 441 is connected with the arc-shaped hoop groove 444, and the double-stacked rods 443 are matched with the reducing grooves 47. The double-stacked rods 443 are correspondingly inserted according to the changes in diameter and the changes in the slot diameter of the reducing grooves 47, and can ensure the small-range offset and shaking of the large-diameter rod 441 in the middle of the double-ply plate body 43, and the cross disk block 42 is installed in combination with the double-ply plate body 43 through the large-diameter rod 441.

[0044] The inner wall of the double-plywood body 43 is symmetrically installed with elastic guide rods 48, and there are four of them, two in each group, which are symmetrically installed on the inner wall of the double-plywood body 43. The elastic guide rods 48 are elastically installed with the inner wall of the double-plywood body 43, and the large-diameter rod 441 is limitedly installed with the elastic guide rods 48 through the arc-shaped hoop groove 444.

[0045] When in use, the elastic guide rod 48 can be disengaged from the arc hoop groove 444 along the guiding path of the offset guide groove 445. The offset guide groove 445 is used to prevent the elastic guide rod 48 from easily disengaging from the arc hoop groove 444. The offset guide groove 445 is designed with unique folds to effectively prevent the elastic guide rod 48 from easily disengaging from the arc hoop groove 444, so that the large diameter rod 441 can be stably installed in the middle of the double splint body 43.

[0046] The overall hoisting height of the boom main frame can be adjusted by starting the telescopic rod 3 to extend or retract; the large-diameter rod 441 can be changed and inserted between the three groups of reducing grooves 47 of different calibers to utilize the different effective activity ranges of the double-ply plate bodies 43 of different diameters inside the reducing grooves 47 of different calibers to realize the control of the swing amplitude between the cross disk block 42 and the double-ply plate body 43, so as to realize the swing movement of the boom within a specified range.

[0047] The third embodiment, based on the first and second embodiments, please refer to Figure 1 , Figure 3 , Figure 5 and Figure 8 As shown, a main suspension frame is installed at the bottom end of the swing control rod 4, and the main suspension frame includes a left suspension plate 5 and a right suspension plate 6, and the two are symmetrically installed on both sides of the bottom end of the swing control rod 4 and are arranged parallel to each other. A cross auxiliary swing frame 7 is hinged at both ends between the left suspension plate 5 and the right suspension plate 6, and there are two of them. A cross swing frame 8 is hinged in the middle between the left suspension plate 5 and the right suspension plate 6, and the cross auxiliary swing frame 7 has the same structure as the cross swing frame 8.

[0048] A turntable 9 is installed at the hinge in the middle of the cross pendulum frame 8, and an oblique eight-slot 15 is opened in the middle of the top of the turntable 9, and a positioning pin 14 is inserted at the outer side opening of the oblique eight-slot 15. The second base plate 45 is assembled in the oblique eight-slot 15 at the top of the turntable 9 through the button teeth 46 and the positioning pin 14, wherein the second base plate 45 is twisted and clamped in the oblique eight-slot 15 through the button teeth 46, and the positioning pin 14 is used to position the button teeth 46 and insert it in the oblique eight-slot 15; the left hanging plate 5 and the right hanging plate 6 are fixedly connected with assembling blocks 12 on the back side surfaces, and the left hanging plate 5 and the right hanging plate 6 are opened on the back side surfaces, wherein the tongue groove 13 on the surface of the left hanging plate 5 is opened between two horizontal rows of assembling blocks 12, and can adjust and change the safe working position that the main frame of the boom can be hoisted according to specific usage requirements.

[0049] Additional plate frames 17 are symmetrically installed on both sides of the boom main frame, and large bolts 18 are installed on the bolts at the assembly point of the additional plate frame 17 and the boom main frame. The additional plate frame 17 is bolted to the boom main frame through the large bolts 18, and the end of the lifting rope 16 away from the connection hinge block 11 is bolted to the additional plate frame 17 through the large bolts 18.

[0050] When in use, through the active hinged cooperation of the cross auxiliary swing frame 7 and the cross hanging swing frame 8, the left hanging plate 5 and the right hanging plate 6 can be partially dislocated along the longitudinal direction with the cross hanging swing frame 8 as the center, and can be shifted forward or backward unilaterally to partially change the adjustment and change of the local spatial position of the hoisted equipment by the main frame of the boom, so that the spatial position of the hoisted equipment can be adjusted more precisely and the operation can be more stable and safe.

[0051] The button teeth 46 are positioned and inserted into the oblique eight grooves 15 by the positioning pins 14, so that the main frame of the boom and the swing control rod 4 can be quickly assembled and disassembled, and the structures are firmly connected, the installation method is simple, and the operation is easy.

[0052] By opening the tongue groove 13 on the surface of the right hanger plate 6 on the upper and lower sides of the two horizontal rows of assembling blocks 12, the tongue groove 13 opened on the surface of the right hanger plate 6 is correspondingly engaged with the assembling blocks 12 on the left hanger plate 5, and the tongue groove 13 opened on the surface of the left hanger plate 5 is correspondingly engaged with the assembling blocks 12 on the right hanger plate 6. Therefore, the additional additional plate frame 17 can be assembled with the main frame of the boom by bolts, thereby expanding the lifting surface on both sides of the main frame of the boom in the horizontal direction, expanding the horizontal lifting space of the main frame of the boom, and adjusting and changing the safe working position that the main frame of the boom can be hoisted according to specific usage requirements.

[0053] By using the lifting rope 16 to assist in the lifting of the two additional plate frames 17, the function of supporting and limiting the range of movement is achieved. During the overall swinging of the boom, a layer of structural protection can be provided for the safe use of the additional plate frames 17, eliminating the risk of the additional plate frames 17 accidentally detaching from the main frame of the boom.

[0054] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An electric rotary lifting and swinging boom, comprising a box frame (1), characterized in that: A telescopic rod (3) is installed at the middle of the bottom end of the box frame (1); The box frame (1) further comprises a driving assembly (2), the driving assembly (2) being mounted on the middle of the inner side of the box frame (1), the driving assembly (2) comprising a stepping motor (21) mounted on the middle of the left side plate of the box frame (1), the output end of the stepping motor (21) being mounted with a driving tooth (22), and being rotatably mounted on the side of the left side plate of the box frame (1) away from the stepping motor (21), the middle of the right side plate of the box frame (1) being rotatably mounted with an auxiliary driving tooth (23), and being arranged close to a side of the driving tooth (22), and being rotatably mounted with the right side plate of the box frame (1), the box frame (1 ) is installed at the middle of the bottom plate of the box frame (1), the driving teeth (22) and the auxiliary teeth (23) are meshed with the ring gear disc (24), the ring gear disc (24) is installed by transmission with the stepping motor (21) through the driving teeth (22), the middle of the top of the ring gear disc (24) is connected with a hanging rod (25), and the bottom of the hanging rod (25) is flange-mounted with the telescopic rod (3), the top of the hanging rod (25) is installed at the middle of the top plate of the box frame (1) through a bearing, and the ring gear disc (24) is rotatably installed with the box frame (1) through the hanging rod (25); A swing control rod (4), the swing control rod (4) having a flange mounted on the bottom of the telescopic rod (3), the swing control rod (4) comprising a first base plate (41) having a flange mounted on the telescopic end of the telescopic rod (3), a cross plate block (42) being rotatably mounted on the bottom of the first base plate (41), a double clamping plate body (43) being clamped on the outer side of the cross plate block (42), and a swing control member (44) being mounted on the inner middle portion of the double clamping plate body (43); A cylinder (10) is sleeved on the outer surface of the telescopic rod (3), and four connecting hinge blocks (11) are symmetrically mounted on the outer surface of the cylinder (10), and a suspension rope (16) is mounted in the middle of the connecting hinge blocks (11) via bolts; The swing control member (44) comprises a large diameter rod (441) inserted in the middle of the double-ply plate body (43), and a central large diameter tube (442) is sleeved on the middle of the outer surface of the large diameter rod (441); The outer surface of the central large diameter tube (442) is connected to double stacked rods (443) in a circular array, with three groups of double stacked rods (443) in total of six, and each group of double stacked rods (443) is centrally symmetrically arranged about the central axis of the large diameter rod (441), and the diameters of the three groups of double stacked rods (443) decrease in sequence in a clockwise direction, and arc-shaped hoop grooves (444) are symmetrically opened at both ends of the outer surface of the large diameter rod (441); Both ends of the outer surface of the large diameter rod (441) are symmetrically provided with dislocation guide grooves (445), and the side away from the end of the large diameter rod (441) is connected to the arc hoop groove (444). The double stacked rod (443) corresponds to the variable diameter groove (47). The double stacked rod (443) is inserted in correspondence with the change in diameter and the change in the slot diameter of the variable diameter groove (47), and can ensure that the large diameter rod (441) is offset and shaken in a small range in the middle of the double clamping plate body (43). The cross disk block (42) is assembled and installed with the double clamping plate body (43) through the large diameter rod (441); The inner wall surface of the double-ply plate body (43) is symmetrically mounted with elastic guide rods (48), and the number of the elastic guide rods (48) is four, and each two form a group, and are symmetrically mounted on the inner wall of the double-ply plate body (43). The elastic guide rods (48) are elastically mounted on the inner wall of the double-ply plate body (43), and the large-diameter rod (441) is limitedly mounted on the elastic guide rods (48) through an arc-shaped hoop groove (444).

2. The electric rotary lifting and swinging boom according to claim 1, characterized in that: A second base plate (45) is rotatably mounted on the bottom of the double-ply plate body (43), and the bottom side of the second base plate (45) is centrally symmetrically connected with button teeth (46). The middle side of the cross plate block (42) and the double-ply plate body (43) are both provided with diameter-changing grooves (47) in a circular array, and there are three groups of the same diameter-changing grooves (47).

3. The electric rotary lifting and swinging boom according to claim 2 is characterized in that: The middle part of the bottom end of the double-ply plate body (43) and the middle part of the top end of the cross disk block (42) are both fixedly connected with a rotating clamp (49); the double-ply plate body (43) is rotatably mounted on the second base disk (45) via the rotating clamp (49); and the cross disk block (42) is rotatably mounted on the first base disk (41) via the rotating clamp (49).

4. The electric rotary lifting and swinging boom according to claim 3 is characterized in that: A main suspension rod frame is installed at the bottom end of the swing control rod (4), and the main suspension rod frame includes a left suspension plate (5) and a right suspension plate (6), and the two are symmetrically installed on both sides of the bottom end of the swing control rod (4) and are arranged parallel to each other. Two cross auxiliary swing frames (7) are hingedly connected at both ends between the left suspension plate (5) and the right suspension plate (6), and a cross swing frame (8) is hingedly connected in the middle between the left suspension plate (5) and the right suspension plate (6). The cross auxiliary swing frame (7) has the same structure as the cross swing frame (8).

5. The electric rotary lifting and swinging boom according to claim 4 is characterized in that: A turntable (9) is installed at a hinged joint in the middle of the cross pendulum frame (8), an oblique eight-slot (15) is opened in the middle of the top of the turntable (9), a positioning pin (14) is inserted into the outer opening of the oblique eight-slot (15), and the second base plate (45) is assembled in the oblique eight-slot (15) at the top of the turntable (9) through button teeth (46) and the positioning pin (14).

6. The electric rotary lifting and swinging boom according to claim 5, characterized in that: The left hanging plate (5) and the right hanging plate (6) are both fixedly connected with assembly blocks (12) on their back sides, and tongue grooves (13) are provided on their back sides, wherein the tongue grooves (13) on the surface of the left hanging plate (5) are provided between two horizontal rows of assembly blocks (12).

7. The electric rotary lifting and swinging boom according to claim 4 is characterized in that: Additional plate frames (17) are symmetrically installed on both sides of the boom main frame, and large bolts (18) are installed at the bolts at the assembly point between the additional plate frame (17) and the boom main frame. The additional plate frame (17) is bolted to the boom main frame through the large bolts (18), and the end of the suspension rope (16) away from the connecting hinge block (11) is bolted to the additional plate frame (17) through the large bolts (18).

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