Bridge crane with rotary electromagnetic suspended beam
By designing a limiting mechanism in a rotating electromagnetic beam-hanging bridge crane, the extrusion pressure of the electromagnetic adsorption block is transmitted to the limiting plate by using mechanical transmission, the clamping and anti-slip treatment of the items to be lifted is achieved, and the items during the lifting process are solved The adsorption and disengagement problem caused by dislocation improves the stability of the lifting device.
Patent Information
- Application Number
- CN202421045023.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-14
AI Technical Summary
During the lifting of heavy objects, the rotating electromagnetic beam bridge crane causes the object to be lifted to be misaligned with the bottom end of the electromagnetic adsorption block due to inertia, resulting in adsorption and disengagement, affecting normal lifting work.
A limiting mechanism is designed, including a moving rod, a limiting plate, an extrusion rod and a gear rack. The extrusion pressure of the electromagnetic adsorption block is transmitted to the limiting plate through mechanical transmission, so as to achieve clamping and anti-slip of the objects to be held. Handle to avoid position offset and slip.
It effectively avoids the positional deviation and slide of the items to be lifted during the lifting process, ensuring the stability and normal operation of the lifting device.
Smart Images
Figure CN222249675U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crane devices, in particular to a bridge crane with a rotating electromagnetic hanging beam. Background Art
[0002] When the current rotating electromagnetic hanging beam bridge crane is working, the crane uses the lifting trolley installed on the main beam to lift the objects to be lifted. The upper end of the support leg is connected to the main beam, and the lower end is connected to the traveling mechanism. The crane is driven by the motor installed on the traveling mechanism to achieve the effect of moving on the rails. At the same time, the lifting trolley can also walk on the main beam, and finally achieve the effect of lifting and moving heavy objects from one place to another. The lifting end of the crane adopts an electromagnetic adsorption block. The electromagnetic adsorption block is first energized to make the electromagnetic adsorption block have suction, and then the objects to be lifted can be adsorbed on the bottom end of the electromagnetic adsorption block, which is convenient for subsequent lifting steps.
[0003] However, during use, the current bridge crane with a rotating electromagnetic hanging beam uses an electromagnetic adsorption block to adsorb the top of the object to be lifted, and then lifts and transports the object. Due to the heavy weight of the object to be lifted, during the process of lifting and transporting the object, the object to be lifted is misaligned with the bottom end of the electromagnetic adsorption block due to inertia. When the misalignment area between the object and the bottom end of the electromagnetic adsorption block exceeds the suction force of the electromagnetic adsorption, the object to be lifted is separated from the electromagnetic adsorption block, affecting the normal lifting operation of the device. For this purpose, a bridge crane with a rotating electromagnetic hanging beam is provided. Utility Model Content
[0004] The utility model aims to provide a bridge crane with a rotating electromagnetic hanging beam to solve the problem in the background technology that the objects to be hoisted are misaligned with the electromagnetic adsorption block during the transportation process, thereby causing the electromagnetic adsorption block to separate from the objects.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge crane with a rotating electromagnetic hanging beam, comprising a lifting device body; a connecting rod, the connecting rod is arranged at the bottom end of the lifting device body, and the bottom end of the connecting rod is fixed with an electromagnetic adsorption block by bolts; a fixed seat, the fixed seat is fixed to the outer wall of the connecting rod by bolts, and the fixed seat is located above the electromagnetic adsorption block; a limiting mechanism, the limiting mechanism is arranged inside the fixed seat, and the limiting mechanism extends to both ends of the fixed seat, the limiting mechanism includes a moving rod sleeved inside the fixed seat, one end of the moving rod extends to the outside of the fixed seat, one end of the moving rod is fixed with a limiting plate by bolts, and the limiting plate is located below one end of the electromagnetic adsorption block.
[0006] By adopting the above technical solution, the limiting mechanism is used to limit the two ends of the heavy object after lifting to prevent the heavy object from position displacement and slipping. One end of the limiting plate is engraved with anti-slip patterns. The limiting plate is used to limit the heavy object after lifting and clamp one end of the heavy object.
[0007] Preferably, the limiting mechanism further comprises a second rack sleeved inside the fixing seat, one end of the second rack is fixedly connected to one end of the moving rod via a bolt, and a second spur gear is meshed at the top end of the second rack.
[0008] By adopting the above technical solution, the counterclockwise rotation of the second spur gear can drive the moving rod to move toward one end close to the fixed seat through mechanical transmission, thereby driving the limiting plate to move.
[0009] Preferably, a second connecting column is welded to one side of the second spur gear, and the second connecting column is rotatably connected to the inner wall of the fixed seat through a bearing, and a protrusion is fixed to the bottom end of the second rack by bolts, and a slide rail is sleeved on the bottom end of the protrusion, and the bottom end of the slide rail is fixedly connected to the inner wall of the fixed seat by bolts.
[0010] By adopting the above technical solution, the second connecting column is used to support the second spur gear, the protrusion and the slide rail are used to support the second rack, and the slide rail is used to ensure the stability of the horizontal movement of the second rack.
[0011] Preferably, a first spur gear is welded to a side of the second spur gear away from the second connecting column, a first rack is meshed at one end of the first spur gear, an extrusion rod is fixed to an end of the first rack away from the first spur gear by bolts, and a bottom end of the extrusion rod passes through a fixing seat and reaches below the electromagnetic adsorption block.
[0012] By adopting the above technical solution, the upward movement of the extrusion rod can drive the first rack to move upward through mechanical transmission, and the movement of the first rack can drive the first spur gear to rotate counterclockwise.
[0013] Preferably, a first connecting column is welded on a side of the first spur gear away from the second spur gear, one side of the first connecting column is connected to a limiting seat via a bearing, and the bottom end of the limiting seat is fixedly connected to the inner wall of the fixing seat via bolts.
[0014] By adopting the above technical solution, the first connecting column and the limiting seat are used to support the first spur gear, so as to ensure the stability of the first spur gear during the transmission of rotational force.
[0015] Preferably, a spring is fixedly connected to the top end of the extrusion rod, and the top end of the spring is fixedly connected to the inner wall of the fixing seat.
[0016] By adopting the above technical solution, the spring is used to ensure the initial position of the extrusion rod, and the spring is used to provide a moving force in the vertical direction of the extrusion rod.
[0017] Preferably, the end of the extrusion rod away from the first rack is fixed to a limiting block by bolts, the inner wall of the limiting block is sleeved with a limiting column, the top and bottom ends of the limiting column are respectively fixedly connected to the inner wall of the fixing seat by bolts, and the inner wall of the fixing seat is provided with a limiting groove, and the limiting groove matches the moving trajectory of the limiting block.
[0018] By adopting the above technical solution, the limiting block and the limiting column are used to limit the extrusion rod to prevent the extrusion rod from being separated from the fixing seat, and also to prevent the extrusion rod from moving in the horizontal direction.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] By setting a limit mechanism, the extrusion pressure generated by the contact between the object to be lifted and the electromagnetic adsorption block is derived through the magnetic force of the electromagnetic adsorption block after power is turned on, and the extrusion pressure is transmitted to the limit plate through mechanical transmission. The two limit plates move towards each other and contact and squeeze the two ends of the object, so that the two ends of the object to be lifted are clamped and limited after being adsorbed by the electromagnetic adsorption block, and the anti-slip treatment is taken on one end of the object through the anti-slip texture on one end of the limit plate, which further ensures that the object will not slip or shift in position during the lifting process, thereby ensuring the stability of the overall operation of the lifting device body. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;
[0023] Figure 3 This is a schematic diagram of the internal structure of the fixing seat of the utility model;
[0024] Figure 4 For the utility model Figure 3 A in the figure is an enlarged structural diagram.
[0025] In the figure: 1. lifting device body; 2. connecting rod; 3. electromagnetic adsorption block; 4. limiting mechanism; 401. moving rod; 402. limiting plate; 403. extrusion rod; 4031. limiting block; 4032. limiting column; 404. spring; 405. first rack; 406. first spur gear; 4061. first connecting column; 4062. limiting seat; 407. second spur gear; 4071. second connecting column; 408. second rack; 4081. protrusion; 4082. slide rail; 5. fixed seat; 501. limiting groove. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] The following is combined with Figure 1-Figure 4 The utility model is described in further detail.
[0028] See also Figure 1-Figure 4 The utility model provides an embodiment of a bridge crane with a rotating electromagnetic hanging beam: a bridge crane with a rotating electromagnetic hanging beam, comprising a lifting device body 1, the lifting device body 1 is used to control the device to lift heavy objects; a connecting rod 2, the connecting rod 2 is arranged at the bottom end of the lifting device body 1, the bottom end of the connecting rod 2 is fixed with an electromagnetic adsorption block 3 by bolts, the connecting rod 2 is used to support the electromagnetic adsorption block 3, and the electromagnetic adsorption block 3 is used to lift heavy objects; a fixing seat 5, the fixing seat 5 is fixed to the outer wall of the connecting rod 2 by bolts, and the fixing seat 5 is located above the electromagnetic adsorption block 3; a limiting mechanism 4, the limiting mechanism 4 is arranged inside the fixing seat 5, and the limiting mechanism 4 extends It extends to both ends of the fixed seat 5, and the limiting mechanism 4 is used to limit the two ends of the heavy object after lifting to prevent the heavy object from position displacement and slipping. The limiting mechanism 4 includes a moving rod 401 sleeved inside the fixed seat 5, and the moving rod 401 is provided with two groups. The two groups of moving rods 401 are symmetrically distributed at both ends of the connecting rod 2. One end of the moving rod 401 extends to the outside of the fixed seat 5, and one end of the moving rod 401 is fixed to the limiting plate 402 by bolts. The limiting plate 402 is located below one end of the electromagnetic adsorption block 3, and one end of the limiting plate 402 is engraved with anti-slip patterns. The limiting plate 402 is used to limit the heavy object after lifting and clamp one end of the heavy object.
[0029] It can be further explained that, through the magnetic force of the electromagnetic adsorption block 3 after power is turned on, the extrusion force generated by the contact between the object to be lifted and the electromagnetic adsorption block 3 is derived, and the extrusion force is transmitted to the limit plate 402 through mechanical transmission. The two limit plates 402 move towards each other and contact and squeeze the two ends of the object, so that the two ends of the object to be lifted after being adsorbed by the electromagnetic adsorption block 3 are clamped and limited.
[0030] See also Figure 3 and Figure 4The limiting mechanism 4 also includes a second rack 408 sleeved inside the fixing seat 5, one end of the second rack 408 is fixedly connected to one end of the moving rod 401 by a bolt, and the top of the second rack 408 is meshed with a second spur gear 407. The second spur gear 407 rotates counterclockwise to drive the moving rod 401 to move toward the end close to the fixing seat 5 through mechanical transmission, thereby driving the limiting plate 402 to move; a second connecting column 4071 is welded on one side of the second spur gear 407. The connecting column 4071 is rotatably connected to the inner wall of the fixing seat 5 through a bearing, a protrusion 4081 is fixed to the bottom end of the second rack 408 through a bolt, a slide rail 4082 is sleeved on the bottom end of the protrusion 4081, and the bottom end of the slide rail 4082 is fixedly connected to the inner wall of the fixing seat 5 through a bolt, the second connecting column 4071 is used to support the second spur gear 407, the protrusion 4081 and the slide rail 4082 are used to support the second rack 408, and the slide rail 4082 is used to ensure the horizontal movement of the second rack 408 The first spur gear 406 is welded to the side of the second spur gear 407 away from the second connecting column 4071, and one end of the first spur gear 406 is meshed with the first rack 405, and the end of the first rack 405 away from the first spur gear 406 is fixed with an extrusion rod 403 by bolts, and the bottom end of the extrusion rod 403 passes through the fixed seat 5 and reaches the bottom of the electromagnetic adsorption block 3. The extrusion rod 403 moves upward and can drive the first rack 405 to move upward through mechanical transmission. The movement of the first rack 405 can drive the first spur gear 406 to rotate counterclockwise; the first spur gear 406 is welded to the side of the second spur gear 407 away from the second spur gear 407, and one side of the first connecting column 4061 is connected to the limiting seat 4062 through a bearing, and the bottom end of the limiting seat 4062 is fixedly connected to the inner wall of the fixed seat 5 by bolts. The first connecting column 4061 and the limiting seat 4062 are used to support the first spur gear 406, so as to ensure the stability of the first spur gear 406 during the transmission of the rotating force.
[0031] It can be further explained that the rotation of the first spur gear 406 drives the second spur gear 407 to rotate counterclockwise, and the rotation of the second spur gear 407 drives the second rack 408 to move toward the end close to the spring 404, and the movement of the second rack 408 drives the moving rod 401 to move toward the inside of the fixed base 5, and the movement of the moving rod 401 drives the limit plate 402 to move.
[0032] See also Figure 3 and Figure 4The top of the extrusion rod 403 is fixedly connected with a spring 404, and the top of the spring 404 is fixedly connected to the inner wall of the fixing seat 5. The spring 404 is used to ensure the initial position of the extrusion rod 403, and the spring 404 is used to provide a vertical moving force for the extrusion rod 403; the end of the extrusion rod 403 away from the first rack 405 is fixed to a limiting block 4031 by bolts, and the inner wall of the limiting block 4031 is sleeved with a limiting column 4032, and the top and bottom ends of the limiting column 4032 are respectively fixedly connected to the inner wall of the fixing seat 5 by bolts, and a limiting groove 501 is provided on the inner wall of the fixing seat 5, and the limiting groove 501 matches the moving trajectory of the limiting block 4031. The limiting block 4031 and the limiting column 4032 are used to limit the extrusion rod 403 to prevent the extrusion rod 403 from being separated from the fixing seat 5, and also to prevent the extrusion rod 403 from moving in the horizontal direction.
[0033] It can be further explained that the top of the object squeezes the squeezing rod 403 to move upward, the spring 404 is squeezed by force, the squeezing rod 403 moves and drives the first rack 405 to move upward, and the movement of the first rack 405 drives the first spur gear 406 to rotate counterclockwise.
[0034] Working principle: When in use, firstly, the lifting device body 1 energizes the electromagnetic adsorption block 3, which becomes magnetic after being energized. The electromagnetic adsorption block 3 is moved to the top of the object to be lifted. The top of the object to be lifted contacts and is adsorbed to the bottom of the electromagnetic adsorption block 3 under the suction force of the electromagnetic adsorption block 3.
[0035] Secondly, when the object to be hung contacts the bottom end of the electromagnetic adsorption block 3, the top end of the object squeezes the squeezing rod 403 to move upward, the spring 404 is squeezed by force, the squeezing rod 403 moves and drives the first rack 405 to move upward, the first rack 405 moves to drive the first spur gear 406 to rotate counterclockwise, the first spur gear 406 rotates to drive the second spur gear 407 to rotate counterclockwise, the second spur gear 407 rotates to drive the second rack 408 to move toward the end close to the spring 404, the second rack 408 moves to drive the moving rod 401 to move toward the inside of the fixed seat 5, the moving rod 401 moves to drive the limiting plate 402 to move, when the top end of the object to be hung is adsorbed on the bottom end of the electromagnetic adsorption block 3, the limiting plate 402 moves and contacts and squeezes one end of the object to be hung, and the anti-slip texture engraved on one end of the limiting plate 402 is used to prevent the one end of the object from slipping;
[0036] Finally, the extrusion pressure generated by the contact between the object to be lifted and the electromagnetic adsorption block 3 is derived through the magnetic force of the electromagnetic adsorption block 3 after power is turned on, and the extrusion pressure is transmitted to the limit plate 402 through mechanical transmission. The two limit plates 402 move toward each other and contact and squeeze the two ends of the object, so that the two ends of the object to be lifted after being adsorbed by the electromagnetic adsorption block 3 are clamped and limited, and the anti-slip texture on one end of the limit plate 402 is used to prevent one end of the object from slipping and position shifting, thereby ensuring the stability of the overall operation of the lifting device body 1.
[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A bridge crane with a rotating electromagnetic hanging beam, characterized in that: include: A lifting device body (1); A connecting rod (2), the connecting rod (2) being arranged at the bottom end of the lifting device body (1), and the bottom end of the connecting rod (2) being fixed with an electromagnetic adsorption block (3) by means of bolts; A fixing seat (5), the fixing seat (5) being fixed to the outer wall of the connecting rod (2) by means of bolts, the fixing seat (5) being located above the electromagnetic adsorption block (3); A limiting mechanism (4), wherein the limiting mechanism (4) is arranged inside the fixing seat (5), and the limiting mechanism (4) extends to both ends of the fixing seat (5), the limiting mechanism (4) comprises a moving rod (401) sleeved inside the fixing seat (5), one end of the moving rod (401) extends to the outside of the fixing seat (5), one end of the moving rod (401) is fixed to a limiting plate (402) by means of bolts, and the limiting plate (402) is located below one end of the electromagnetic adsorption block (3).
2. The bridge crane with a rotating electromagnetic hanging beam according to claim 1, characterized in that: The limiting mechanism (4) further comprises a second rack (408) sleeved inside the fixing seat (5), one end of the second rack (408) being fixedly connected to one end of the moving rod (401) via a bolt, and a second spur gear (407) being meshed at the top end of the second rack (408).
3. The bridge crane with a rotating electromagnetic hanging beam according to claim 2, characterized in that: A second connecting column (4071) is welded to one side of the second spur gear (407), and the second connecting column (4071) is rotatably connected to the inner wall of the fixing seat (5) via a bearing. A protrusion (4081) is fixed to the bottom end of the second rack (408) via bolts, and a slide rail (4082) is sleeved on the bottom end of the protrusion (4081), and the bottom end of the slide rail (4082) is fixedly connected to the inner wall of the fixing seat (5) via bolts.
4. The bridge crane with a rotating electromagnetic hanging beam according to claim 2, characterized in that: A first spur gear (406) is welded to a side of the second spur gear (407) away from the second connecting column (4071); one end of the first spur gear (406) is meshed with a first rack (405); an end of the first rack (405) away from the first spur gear (406) is fixed with an extrusion rod (403) by bolts; the bottom end of the extrusion rod (403) passes through the fixing seat (5) and reaches below the electromagnetic adsorption block (3).
5. The bridge crane with a rotating electromagnetic hanging beam according to claim 4, characterized in that: A first connecting column (4061) is welded to a side of the first spur gear (406) away from the second spur gear (407); one side of the first connecting column (4061) is connected to a limit seat (4062) via a bearing; and the bottom end of the limit seat (4062) is fixedly connected to the inner wall of the fixing seat (5) via bolts.
6. The bridge crane with a rotating electromagnetic hanging beam according to claim 4, characterized in that: The top end of the extrusion rod (403) is fixedly connected to a spring (404), and the top end of the spring (404) is fixedly connected to the inner wall of the fixing seat (5).
7. The bridge crane with a rotating electromagnetic hanging beam according to claim 4, characterized in that: One end of the extrusion rod (403) away from the first rack (405) is fixed to a limit block (4031) by means of bolts; the inner wall of the limit block (4031) is sleeved with a limit column (4032); the top and bottom ends of the limit column (4032) are fixedly connected to the inner wall of the fixing seat (5) by means of bolts respectively; the inner wall of the fixing seat (5) is provided with a limit groove (501); the limit groove (501) matches the moving trajectory of the limit block (4031).