CN117105111A - Movable cantilever hanging bracket device - Google Patents

Abstract

The invention discloses a movable cantilever hanging bracket device which comprises a stand column and a rotary arm rotatably connected to the upper end of the stand column. The invention has the advantages of large lifting span, high stability, adjustable bearing of lifting parts and the like.

Description

Movable cantilever hanging bracket device

Technical Field

The invention relates to a mechanical assembly technology, in particular to a movable cantilever hanging bracket device.

Background

The working strength of the cantilever crane is light, the crane consists of a stand column, a rotary arm, a rotary driving device and an electric hoist, the lower end of the stand column is fixed on a concrete foundation through an anchor bolt, the cantilever is driven to rotate by a cycloidal pin gear speed reducer, and the electric hoist moves linearly left and right on cantilever I-steel and lifts heavy objects. The cantilever hanging bracket device is usually fixed on the ground or a wall body, has poor mobility, and limits the application range in the industries of machinery, construction, logistics and the like.

In order to improve the efficiency and convenience of use of boom hanger apparatuses, some movable boom hanger apparatuses have appeared in recent years. When the movable cantilever hanging frame is used for lifting articles in industries such as machinery, construction, logistics and the like, the movable cantilever hanging frame can have a larger range of working range, the span of the cantilever hanging frame device is further improved, and the movable cantilever hanging frame device has better applicability. In the lifting process, the coverage area of the movable cantilever lifting frame is large, and when articles are lifted and transported, the lifting frame can rotate along the circumferential direction when the original area of the part is spanned and transported to the target area, so that the movable cantilever lifting frame has flexible applicability, and the span is larger than that of the transmission cantilever lifting frame. However, when lifting by crane, be unfavorable for each article, and article can only hang and transport appointed region, need the manual work to carry out further location, because electric block can only follow revolving arm length direction and remove, when putting large-scale article, the position of inconvenient adjustment rope, the unavoidable article takes place the skew, and when handling to the target area, the position of adjustment handling article and rope state are inconvenient, lead to the instability in the handling process and pile up chaotic easily, influence result in use.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to solve the technical problems that: how to provide a movable cantilever hanging bracket device which is convenient for adjusting the direction of the lifted articles in the lifting process.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a mobilizable cantilever gallows device, includes the stand, rotate connect in the revolving arm of stand upper end, its characterized in that, install the removal subassembly on the revolving arm, the below rotation of removal subassembly is connected the hoist subassembly, the below of stand is provided with the ground rail subassembly, the stand lower extreme movably install in on the ground rail subassembly.

Through setting up the ground rail subassembly and at the portable mounting means of stand lower extreme for the gallows device can remove and fix a position in work area along the ground rail subassembly, improved the application range of cantilever gallows, need transport fixed position to the part of handling, but utilize horizontal pivoted hoist subassembly, combine revolving arm and ground rail subassembly, have higher flexibility, can realize in certain region will have the accurate handling of article or mechanical equipment of certain weight, and accurate adjustment its position, guarantee its accuracy, also make things convenient for subsequent installation simultaneously, perhaps can neatly put article, avoid scattered and disorderly to pile up.

Further, the moving assembly comprises two oppositely arranged wheel set fixing plates and a first driving motor vertically arranged on the side surfaces of the wheel set fixing plates, an output shaft of the first driving motor is in transmission connection with a driving wheel, and the two wheel set fixing plates are respectively and rotatably connected with a sliding wheel along the two ends of the length direction of the revolving arm; the rotary arm is positioned between the two wheel set fixing plates, and the two wheel set fixing plates are slidably arranged on the rotary arm through the driving wheel and the sliding wheel.

By mounting the movable movement assembly on the swivel arm, a horizontal movement of the spreader assembly on the swivel arm is achieved. And the combination of the driving wheel and the sliding wheel ensures that the moving assembly stably runs along the length direction of the rotary arm. In addition, the first drive motor provides power to the movement assembly so that the spreader assembly can be quickly and accurately moved into position.

Still further, the hoist subassembly includes fixed mounting two the overhead hoist seat on the wheelset fixed plate, the vertical second driving motor that is provided with in upper end of overhead hoist seat, the lower extreme of overhead hoist seat rotates and is connected with the mount pad, the upper end of mount pad with the second driving motor output shaft passes through gear drive and is connected, the connecting plate is installed to the bottom of mount pad, electric hoist is installed to the bottom surface of connecting plate.

Through the combination of the lifting seat and the second driving motor, the controllable steering of the lifting appliance component in the vertical direction is realized. The gear transmission connection mode adjusts the azimuth of the mounting seat, so that articles hoisted on the electric hoist can be azimuth-adjusted along with the mounting seat. Meanwhile, the cantilever hanging bracket device can realize accurate hanging and positioning of hanging objects through the arrangement of the electric hoist.

Furthermore, at least two electric hoists are arranged, and the two electric hoists are installed at the bottom of the connecting plate at intervals.

Through setting up two at least electric block, increased cantilever hanger device's hoist and mount stability and bearing capacity. Two electric hoists are respectively arranged at the bottom of the connecting plate, and can hoist an article with larger weight at the same time, or hoist two articles with smaller weight respectively, thereby improving the applicability of the cantilever hanging bracket device.

Further, the one end that the revolving arm is close to the stand still is connected with flexible arm, install hydraulic telescoping rod on the flexible arm, hydraulic telescoping rod is used for controlling flexible arm is flexible, the end-to-end connection of flexible arm has the balancing weight, hydraulic telescoping rod connects the switch board.

The telescopic boom is controlled to stretch out and draw back through the hydraulic telescopic rod, automatic balance adjustment of the cantilever hanging bracket device is achieved, balance weight is kept by means of the balancing weight, the rotary boom is kept in a horizontal state when the heavy objects are lifted, the lifted objects are prevented from being inclined, and therefore use and placement accuracy are affected.

Furthermore, the top surface on the revolving arm and the top of the upright post are in tensioning connection with a traction rope, the middle part of the traction rope is connected with a tension sensor for detecting the load of the revolving arm, and the tension sensor is electrically connected with the control cabinet.

The top surface and the tensioning of stand top are connected to the stay cord and the setting of tension sensor on the revolving arm for cantilever gallows device has the load detection function. The tension sensor can detect the load on the rotary arm in real time, and the telescopic arm is adjusted through the control cabinet, so that the process of lifting the heavy object is guaranteed not to incline, and the lifting precision and stability are improved.

Further, the ground rail assembly comprises a counterweight body positioned at the bottom, a connecting seat which is integrally U-shaped is arranged above the counterweight body, a sliding plate used for installing the upright post is arranged above the connecting seat, the tops of two sides in the width direction of the connecting seat extend back to form a limiting part, a guide rail is arranged on the upper surface of the counterweight body and positioned below the limiting part, a plurality of L-shaped guide blocks are fixedly connected to two sides of the sliding plate respectively, and the horizontal ends of the guide blocks are positioned below the limiting part and are in sliding connection with the guide rail; a rack is arranged on one inner side wall of the connecting seat along the length direction, a third driving motor is mounted on the sliding plate, an output shaft of the third driving motor is connected with a first transmission gear, and the first transmission gear is meshed with the rack.

The counterweight body increases the stability of the cantilever crane arrangement. The sliding connection mode of the sliding plate and the guide rail and the meshing drive of the third driving motor and the rack realize the stable movement and positioning of the upright post on the ground rail assembly.

Still further, the lower extreme coaxial arrangement of stand is circular shape objective table, objective table bottom surface coaxial arrangement has annular ring gear, just the bottom of objective table has the bracing piece of vertical setting along circumference equipartition, the bottom of bracing piece is connected with first gyro wheel, fourth driving motor is installed to the sliding plate up end, fourth driving motor output shaft have with annular ring gear meshed second drive gear.

The objective table at the lower end of the upright post rotates by utilizing the motor to drive the annular gear ring, in some narrow areas, the operation range of the rotary arm is not suitable, articles can be placed on the objective table, the rotary arm keeps a fixed direction, the objective table reciprocally rotates, and the objects in all areas on the objective table are lifted, wherein in order to ensure the stability of the objective table and the device, the objective table can be made to reciprocally move, namely, the articles on the two sides of the rotary arm are sequentially lifted.

Furthermore, a supporting beam is transversely arranged at the bottom of the counterweight body, and supporting feet are arranged at two ends of the supporting beam along the length direction.

Further, be provided with supporting component between the bottom of revolving arm with the stand, supporting component including vertical connection in the vertical beam of revolving arm bottom, vertical beam lower extreme is followed the radial sliding connection of stand has the ejector pin, the spiro union has the threaded rod in the ejector pin, the threaded rod with the tip rotatable coupling of vertical beam, the ejector pin is close to the one end of stand is vertical to be provided with two second gyro wheels, the other end of ejector pin is connected with the rolling disc, the cover is equipped with annular circle on the stand outer wall, two the lateral surface of second gyro wheel is pasted and is leaned on annular circle.

Thus, the support component provides further support for the rotary arm, and ensures the stability of the rotary arm.

In conclusion, the invention has the advantages of large lifting span, high stability, adjustable lifting component azimuth and the like.

Drawings

Fig. 1 is a schematic structural view of a cantilever crane apparatus.

Fig. 2 is a schematic diagram of the structure of the moving assembly and the spreader assembly.

Fig. 3 is a partial view of a ground rail assembly.

Fig. 4 is a side view of a ground rail assembly.

Fig. 5 is a schematic view of a support assembly.

Fig. 6 is a schematic view of the stage structure.

Detailed Description

The present invention will be described in further detail with reference to examples.

The specific implementation method comprises the following steps: as shown in fig. 1 to 6, a movable cantilever crane device comprises a vertical column 1, a rotary arm 2 rotatably connected to the upper end of the vertical column 1, a movable assembly 3 is mounted on the rotary arm 2, a lifting appliance assembly 4 is rotatably connected to the lower side of the movable assembly 3, a ground rail assembly 5 is arranged below the vertical column 1, and the lower end of the vertical column 1 is movably mounted on the ground rail assembly 5. The moving assembly 3 comprises two oppositely arranged wheel set fixing plates 31 and a first driving motor 32 vertically arranged on the side surface of the wheel set fixing plates 31, wherein the output shaft of the first driving motor 32 is in transmission connection with a driving wheel 311, and the two wheel set fixing plates 31 are respectively and rotatably connected with a sliding wheel 312 along the two ends of the length direction of the revolving arm 2; the swivel arm 2 is located between the two wheel set fixing plates 31, and the two wheel set fixing plates 31 are slidably mounted on the swivel arm 2 through the driving wheel 311 and the sliding wheel 312. The lifting appliance assembly 4 comprises lifting seats 41 fixedly mounted on two wheel set fixing plates 31, a second driving motor 42 is vertically arranged at the upper end of each lifting seat 41, an installation seat 43 is rotatably connected at the lower end of each lifting seat 41, the upper end of each installation seat 43 is connected with an output shaft of each second driving motor 42 through gear transmission, a connecting plate 431 is mounted at the bottom end of each installation seat 43, and an electric hoist 44 is mounted at the bottom surface of each connecting plate 431. The ground rail assembly 5 comprises a counterweight body 51 positioned at the bottom, a connecting seat 52 which is integrally U-shaped is arranged above the counterweight body 51, a sliding plate 53 used for mounting the upright 1 is arranged above the connecting seat 52, two tops of the two sides in the width direction of the connecting seat 52 extend back to form a limiting part 531, a guide rail 54 is arranged on the upper surface of the counterweight body 51, the guide rail 54 is positioned below the limiting part 531, a plurality of L-shaped guide blocks 532 are fixedly connected to two sides of the sliding plate 53 respectively, and the horizontal ends of the guide blocks 532 are positioned below the limiting part 531 and are in sliding connection with the guide rail 54; a rack 521 is disposed on an inner side wall of the connection seat 52 along a length direction, a third driving motor 55 is mounted on the sliding plate 53, an output shaft of the third driving motor 55 is connected to a first transmission gear 551, and the first transmission gear 551 is meshed with the rack 521.

In use, the cantilever crane device is installed on a place where lifting is required, the first driving motor 32 is controlled to drive the driving wheel 311 to slide to a designated position, and meanwhile, the sliding wheel 312 slides on the rotary arm 2 so as to maintain the balance state of the moving assembly 3. Then, the second driving motor 42 is controlled to drive the mounting seat 43 and the connection plate 431 to rotate along the lifting seat 41 so as to facilitate lifting. In the lifting process, the third driving motor 55 is controlled to drive the sliding plate 53 to slide along the rack 521.

In practice, at least two electric hoists 44 are provided to improve the hoisting stability and load, and two electric hoists 44 are mounted at intervals at the bottom of the connecting plate 431. The one end that the revolving arm 2 is close to stand 1 still is connected with flexible arm 6, and revolving arm 2 and flexible arm 6 are connected state to pass stand 1, revolving arm 2 and flexible arm 6 are located stand 1 both sides promptly, install hydraulic telescoping rod 61 on the flexible arm 6, hydraulic telescoping rod 61 is used for controlling flexible arm 6 is flexible, the end-to-end connection of flexible arm 6 has balancing weight 62, hydraulic telescoping rod 61 connects switch board 63. The top surface on the revolving arm 2 with the tensioning of stand 1 top is connected with the traction rope 21, the middle part of traction rope 21 is connected with and is used for detecting the tension sensor 22 of revolving arm 2 load, tension sensor 22 electric connection switch board 63.

When the device is implemented, the lower end of the upright 1 is coaxially provided with a circular objective table 7, the bottom surface of the objective table 7 is coaxially provided with an annular gear ring 71, support rods 72 which are vertically arranged are uniformly distributed at the bottom of the objective table 7 along the circumferential direction, the bottom ends of the support rods 72 are connected with first rollers 73, the upper end surface of the sliding plate 53 is provided with a fourth driving motor 74, and an output shaft of the fourth driving motor 74 is connected with a second transmission gear 75 meshed with the annular gear ring 71. A support beam 9 is transversely arranged at the bottom of the counterweight body 51, and support legs 91 are mounted at two ends of the support beam 9 along the length direction.

When implementing, be provided with supporting component 8 between the bottom of revolving arm 2 with stand 1, supporting component 8 including vertical connection in the vertical roof beam 81 of revolving arm 2 bottom, vertical roof beam 81 lower extreme is followed stand 1 radial sliding connection has ejector pin 82, the spiro union has threaded rod 83 in the ejector pin 82, threaded rod 83 with the tip rotatable coupling of vertical roof beam 81, ejector pin 82 is close to the one end of stand 1 is vertically provided with two second gyro wheels 84, the other end of ejector pin 82 is connected with rolling disc 85, the cover is equipped with annular ring 86 on the stand 1 outer wall, two the lateral surface of second gyro wheel 84 is leaned on annular ring 86.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The utility model provides a mobilizable cantilever gallows device, includes stand (1), rotate connect in revolving arm (2) of stand (1) upper end, a serial communication port, install on revolving arm (2) and remove subassembly (3), the below rotation of removing subassembly (3) is connected hoist subassembly (4), the below of stand (1) is provided with ground rail subassembly (5), stand (1) lower extreme movably install in on ground rail subassembly (5).

2. The cantilever crane device according to claim 1, wherein the moving assembly (3) comprises two oppositely arranged wheel group fixing plates (31) and a first driving motor (32) vertically arranged on the side surface of the wheel group fixing plates (31), an output shaft of the first driving motor (32) is in transmission connection with a driving wheel (311), and two wheel group fixing plates (31) are respectively in rotary connection with a sliding wheel (312) along two ends of the length direction of the rotary arm (2); the rotary arm (2) is positioned between the two wheel set fixing plates (31), and the two wheel set fixing plates (31) are slidably arranged on the rotary arm (2) through the driving wheel (311) and the sliding wheel (312).

3. Cantilever crane device according to claim 2, characterized in that the spreader assembly (4) comprises a lifting seat (41) fixedly mounted on two wheel set fixing plates (31), the upper end of the lifting seat (41) is vertically provided with a second driving motor (42), the lower end of the lifting seat (41) is rotationally connected with a mounting seat (43), the upper end of the mounting seat (43) is connected with the output shaft of the second driving motor (42) through a gear transmission, a connecting plate (431) is mounted at the bottom end of the mounting seat (43), and an electric hoist (44) is mounted at the bottom surface of the connecting plate (431).

4. A boom hanger apparatus as claimed in claim 3, wherein said electric hoist (44) is provided in at least two, and two of said electric hoists (44) are installed at a distance from the bottom of said connection plate (431).

5. Cantilever crane device according to claim 1, characterized in that the end of the swivel arm (2) close to the upright (1) is also connected with a telescopic arm (6), a hydraulic telescopic rod (61) is mounted on the telescopic arm (6), the hydraulic telescopic rod (61) is used for controlling the telescopic arm (6) to stretch and retract, the end of the telescopic arm (6) is connected with a balancing weight (62), and the hydraulic telescopic rod (61) is connected with a control cabinet (63).

6. The cantilever crane device according to claim 5, wherein the top surface of the swivel arm (2) and the top of the upright (1) are in tension connection with a traction rope (21), the middle part of the traction rope (21) is connected with a tension sensor (22) for detecting the load of the swivel arm (2), and the tension sensor (22) is electrically connected with the control cabinet (63).

7. The cantilever hanger device according to claim 1, wherein the ground rail assembly (5) comprises a counterweight body (51) positioned at the bottom, a connecting seat (52) which is integrally U-shaped is arranged above the counterweight body (51), a sliding plate (53) used for installing the upright post (1) is arranged above the connecting seat (52), two side tops of the connecting seat (52) in the width direction extend back to form a limiting part (531), a guide rail (54) is arranged on the upper surface of the counterweight body (51), the guide rail (54) is positioned below the limiting part (531), a plurality of L-shaped guide blocks (532) are fixedly connected to two sides of the sliding plate (53), and the horizontal end of the guide block (532) is positioned below the limiting part (531) and is in sliding connection with the guide rail (54); a rack (521) is arranged on one inner side wall of the connecting seat (52) along the length direction, a third driving motor (55) is installed on the sliding plate (53), an output shaft of the third driving motor (55) is connected with a first transmission gear (551), and the first transmission gear (551) is meshed with the rack (521).

8. The cantilever crane device according to claim 7, wherein the lower end of the upright (1) is coaxially provided with a circular object stage (7), the bottom surface of the object stage (7) is coaxially provided with an annular gear ring (71), support rods (72) vertically arranged are uniformly distributed at the bottom of the object stage (7) along the circumferential direction, the bottom ends of the support rods (72) are connected with first rollers (73), the upper end surface of the sliding plate (53) is provided with a fourth driving motor (74), and the output shaft of the fourth driving motor (74) is connected with a second transmission gear (75) meshed with the annular gear ring (71).

9. The cantilever crane device according to claim 7, wherein the bottom of the counterweight body (51) is transversely provided with a support beam (9), and both ends of the support beam (9) in the length direction are provided with support feet (91).

10. Cantilever crane device according to claim 1, characterized in that a support assembly (8) is arranged between the bottom of the swivel arm (2) and the upright (1), the support assembly (8) comprises a vertical beam (81) vertically connected to the bottom of the swivel arm (2), the lower end of the vertical beam (81) is connected with an ejector rod (82) in a sliding manner along the radial direction of the upright (1), a threaded rod (83) is screwed into the ejector rod (82), the threaded rod (83) is rotatably connected with the end part of the vertical beam (81), two second rollers (84) are vertically arranged at one end of the ejector rod (82) close to the upright (1), a rotating disc (85) is connected at the other end of the ejector rod (82), an annular ring (86) is sleeved on the outer wall of the upright (1), and the outer side surfaces of the two second rollers (84) are abutted to the annular ring (86).