CN219384547U - Double-beam bridge crane with lifting limiting structure - Google Patents
Double-beam bridge crane with lifting limiting structure Download PDFInfo
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- CN219384547U CN219384547U CN202320514477.6U CN202320514477U CN219384547U CN 219384547 U CN219384547 U CN 219384547U CN 202320514477 U CN202320514477 U CN 202320514477U CN 219384547 U CN219384547 U CN 219384547U
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Abstract
The utility model relates to a double-beam bridge crane with a lifting limit structure, which comprises two end beams, a cart travelling mechanism, two main beams and a lifting trolley, wherein the lifting trolley comprises a trolley frame, the cart travelling mechanism and a lifting mechanism, the lifting mechanism comprises a steel wire rope, a movable pulley block and a lifting hook, two ends of the trolley frame are detachably connected with fixed boxes which are vertically distributed and have a cavity structure, the fixed boxes are respectively positioned between the two main beams, each fixed box is internally and slidably connected with a top rod, a buffer spring positioned in the fixed box is respectively arranged between the top ends of the top rods and the fixed boxes, the bottom ends of the top rods penetrate through the fixed boxes and are positioned obliquely below the main beams, a limiting plate which is horizontally distributed is detachably and fixedly connected between the bottom ends of the two top rods, a slide way is arranged on the limiting plate, the steel wire rope penetrates through the limiting plate, and the movable pulley block and the lifting hook are positioned right below the limiting plate.
Description
Technical Field
The utility model belongs to the technical field of cranes, and particularly relates to a double-beam bridge crane with a lifting limiting structure.
Background
At present, the existing double-beam bridge crane generally comprises a main beam, an end beam, a cart travelling mechanism, a lifting trolley and the like, wherein the lifting trolley comprises a trolley frame, the cart travelling mechanism, a lifting mechanism and the like, and lifting limiting structures are generally arranged on the trolley frame so as to prevent lifting hooks of the lifting mechanism from damaging the lifting trolley when a top is stamped, but the existing lifting limiting structures are mostly signal control devices such as limiting switches, and are not provided with mechanical limiting structures.
Disclosure of Invention
The utility model aims to provide a double-beam bridge crane with a lifting limiting structure, so as to solve the problems in the background art.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a double-beam bridge crane with promote limit structure, includes the end beam that two horizontal intervals set up, install cart travel mechanism on the end beam, be provided with two horizontal intervals set up and with the perpendicular girder of end beam between two end beams, sliding connection has the dolly that can follow girder removal between two girders, the dolly includes dolly frame, dolly travel mechanism and hoisting mechanism, hoisting mechanism includes wire rope, running block and lifting hook, the fixed box that fixedly connected with is vertical to be distributed and have cavity structure is all dismantled at the both ends of dolly frame, the fixed box all is located between two girders, and all sliding connection has the ejector pin that sets up with the fixed box coaxial line in every fixed box, the buffer spring that is located the fixed box is all installed between ejector pin top and the fixed box, and be located the oblique below of girder behind the ejector pin bottom, and can dismantle fixedly connected with the limiting plate of horizontal distribution between two ejector pin bottoms, set up on the limiting plate with the slide parallel with limiting plate length direction, wire rope passes through the assembly pulley, the limiting plate is located under the running block with the lifting hook.
Further, two guide rods which are vertically and oppositely distributed are fixedly connected in the fixed boxes on two sides of the ejector rod, a sliding plate which is coaxially arranged with the ejector rod is fixedly connected to the top end of the ejector rod, the two sides of the sliding plate are respectively sleeved on the guide rods and are in sliding connection with the guide rods, and buffer springs are arranged between the top surface of the sliding plate and the fixed boxes.
Furthermore, clamping grooves are formed in the end faces of the two ends of the limiting plate, the bottoms of the ejector rods are respectively located in the clamping grooves, and first connecting bolts which are horizontally distributed are connected between the limiting plates located on the two sides of the clamping grooves and the ejector rods in a threaded mode.
Further, the bottom of each ejector rod is horizontally provided with a plurality of threaded holes which are distributed along the length direction of the ejector rod at equal intervals.
Further, the limiting plate is split type structure, and the limiting plate includes the stopper that two levels set up relatively, all offered the spout on the side of stopper opposite side, form the slide between two spouts, and all be provided with the connecting plate of horizontal distribution between the both ends of two stoppers, all be connected through the second connecting bolt of vertical distribution between the both ends of connecting plate and the stopper, every draw-in groove all is cut apart into the groove structure of two equidimension.
Further, the inboard of every fixed box is all fixed mounting has the mounting panel of horizontal distribution, all install the power on the top surface of mounting panel and have the controller of digital button, install the laser range finder of vertical distribution on the bottom surface of mounting panel, the power is connected with controller, laser range finder electricity, controller and laser range finder, hoisting mechanism signal connection, be provided with the laser response region relative with laser range finder position on the top surface of limiting plate respectively.
By adopting the technical scheme, the utility model has the beneficial effects that:
on the basis that the existing double-beam bridge crane comprises a main beam, an end beam, a cart travelling mechanism and a trolley, a mechanical lifting limiting structure can be formed by arranging the fixed box, the ejector rod, the buffer spring and the limiting plate, so that the trolley can be prevented from being damaged when the lifting hook is subjected to top punching; in addition, because the limiting plate is positioned below the girder, when the lifting hook is subjected to top punching in the process of lifting the goods, the goods can be prevented from directly striking the girder, so that the girder is prevented from being damaged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a portion of the apparatus of FIG. 1;
FIG. 3 is a schematic perspective view of a portion of the apparatus of FIG. 2;
fig. 4 is a schematic structural view of fig. 3 in a split state.
Reference numerals: 1. a fixed box; 2. a push rod; 21. a threaded hole; 3. a buffer spring; 4. a limiting plate; 41. a slideway; 42. a clamping groove; 43. a first connecting bolt; 44. a limiting block; 45. a chute; 46. a connecting plate; 47. a second connecting bolt; 5. a lifting mechanism; 51. a wire rope; 52. a movable pulley block; 53. a lifting hook; 6. a trolley travel mechanism; 7. a trolley frame; 8. a main beam; 9. an end beam; 10. a cart travel mechanism; 11. a guide rod; 12. a slide plate; 13. a mounting plate; 14. a power supply; 15. a controller; 16. a laser range finder.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model provides a double-beam bridge crane with a lifting limiting structure, which comprises two end beams 9 horizontally arranged at intervals, wherein a cart travelling mechanism 10 is arranged on the end beams 9, two main beams 8 horizontally arranged at intervals and vertical to the end beams 9 are arranged between the two end beams 9, a trolley capable of moving along the main beams 8 is slidably connected between the two main beams 8, the trolley comprises a trolley frame 7, a trolley travelling mechanism 6 and a lifting mechanism 5, the lifting mechanism 5 comprises a steel wire rope 51, a movable pulley block 52 and a lifting hook 53, and the main beams 8, the end beams 9, the cart travelling mechanism 10 and the trolley are all in the prior art; the two ends of the trolley frame 7 are detachably and fixedly connected with fixing boxes 1 which are vertically distributed and have a cavity structure through bolts, the fixing boxes 1 are positioned between two main beams 8, each fixing box 1 is internally and slidably connected with a push rod 2 which is coaxially arranged with the fixing box 1, a buffer spring 3 positioned in the fixing box 1 is arranged between the top end of each push rod 2 and the fixing box 1, specifically, the push rod 2 compresses the buffer spring 3 in the upward sliding process, and the buffer spring 3 has a buffer effect in the compressed process; the bottom ends of the ejector rods 2 penetrate through the fixed box 1 and then are positioned obliquely below the main beam 8, a limiting plate 4 which is horizontally distributed is detachably and fixedly connected between the bottom ends of the two ejector rods 2, a slide way 41 which is parallel to the length direction of the limiting plate 4 is arranged on the limiting plate 4, a steel wire rope 51 penetrates through the limiting plate 4 through the slide way 41, a movable pulley block 52 and a lifting hook 53 are positioned right below the limiting plate 4, and in particular, the steel wire rope 51 moves left and right along the direction of a winding drum in the winding and unwinding process, so that the slide way 41 is arranged on the limiting plate 4 to avoid influencing the winding and unwinding of the steel wire rope 51; in addition, after the buffer spring 3 is fully compressed, the limiting plate 4 is still positioned obliquely below the main beam 8, and a mechanical lifting limiting structure can be formed by arranging the fixed box 1, the ejector rod 2, the buffer spring 3 and the limiting plate 4, so that the crane trolley can be prevented from being damaged when the lifting hook 53 is subjected to top punching; in addition, because the limiting plate 4 is positioned obliquely below the main beam 8, when the lifting hook 53 is lifted in the process of lifting the goods, the goods can be prevented from directly striking the main beam 8, so that the damage of the main beam 8 can be avoided.
Because ejector pin 2 can compress buffer spring 3 at the in-process that upwards slides, and two ejector pins 2 are the synchronous slip of going on and have the guide effect, but buffer spring 3 also can produce the bending at the in-process that is compressed sometimes, consequently, as shown in fig. 1 and 2, all fixedly connected with two perpendicular relative distributed guide bars 11 in the fixed box 1 that is located ejector pin 2 both sides, the slide 12 that the equal fixedly connected with in ejector pin 2 top set up with ejector pin 2 coaxial line, slide 12 both sides cover are established respectively on guide bar 11 and with guide bar 11 sliding connection, and all install between slide 12 top surface and the fixed box 1 buffer spring 3, specifically, through setting up guide bar 11 and slide 12, can improve ejector pin 2 stability in the in-process that slides, thereby can avoid buffer spring 3 to produce bending at the in-process that is compressed.
The limiting plate 4 and the ejector rod 2 are detachably and fixedly connected in the following concrete manner: as shown in fig. 1 to 4, the end surfaces at two ends of the limiting plate 4 are respectively provided with a clamping groove 42, the bottoms of the ejector rods 2 are respectively positioned in the clamping grooves 42, the limiting plates 4 positioned at two sides of the clamping grooves 42 and the ejector rods 2 are respectively connected with first connecting bolts 43 in a threaded manner, specifically, the heads of the first connecting bolts 43 are positioned outside the limiting plates 4, at this time, when in use, the clamping grooves 42 at two ends of the limiting plates 4 are aligned with the bottom ends of the two ejector rods 2, then the ejector rods 2 are respectively inserted into the clamping grooves 42 and slide upwards for the limiting plates 4, finally, the screw ends of the first connecting bolts 43 penetrate through the limiting plates 4 and are connected with the ejector rods 2 in a threaded manner, and the heads of the first connecting bolts 43 are abutted against the limiting plates 4, so that the limiting plates 4 can be conveniently dismounted between the two ejector rods 2.
Because the movable pulley block 52 and the lifting hook 53 are located under the limiting plate 4, the height range of the lifting mechanism 5 for lifting the goods can be limited, and therefore, as shown in fig. 1 and 2, the bottom of each ejector rod 2 is horizontally provided with a plurality of threaded holes 21 distributed along the length direction of the rod of the ejector rod 2 at equal intervals, so that the height position of the limiting plate 4 can be adjusted according to actual use conditions, and the height of the lifting mechanism 5 for lifting the goods can be adjusted.
Because the steel wire rope 51 penetrates through the limiting plate 4 through the slide way 41, and the movable pulley block 52 and the lifting hook 53 are also positioned right below the limiting plate 4, so that the steel wire rope 51 penetrates through the limiting plate 4 conveniently, therefore, as shown in fig. 3 and 4, the limiting plate 4 is of a split type structure, the limiting plate 4 comprises two limiting blocks 44 which are horizontally arranged oppositely, sliding grooves 45 are formed in the side surfaces of the opposite sides of the limiting blocks 44, the slide way 41 is formed between the two sliding grooves 45, connecting plates 46 which are horizontally distributed are arranged between the two ends of the two limiting blocks 44, the two ends of the connecting plates 46 are connected with the limiting blocks 44 through second connecting bolts 47 which are vertically distributed, and particularly, when the connecting plates 46 are connected with the limiting blocks 44, screw ends of the second connecting bolts 47 penetrate through the connecting plates 46 and are in threaded connection with the limiting blocks 44, and heads of the second connecting bolts 47 are abutted against the connecting plates 46; when the limiting device is used, the two limiting blocks 44 are firstly placed on two sides of the steel wire rope 51 respectively, and then the two limiting blocks 44 are connected through the connecting plate 46 and the second connecting bolt 47, so that the steel wire rope 51 can penetrate through the limiting plate 4 conveniently, in addition, each clamping groove 42 is divided into two groove structures with the same size, and therefore the limiting plate 4 and the ejector rod 2 can be connected conveniently.
Further, as shown in fig. 1 and fig. 2, the inner side of each fixing box 1 is fixedly provided with a horizontally distributed mounting plate 13, the top surface of the mounting plate 13 is provided with a power supply 14 and a controller 15 with digital keys, the bottom surface of the mounting plate 13 is provided with a vertically distributed laser range finder 16, the power supply 14 is electrically connected with the controller 15 and the laser range finder 16, the controller 15 is in signal connection with the laser range finder 16 and the lifting mechanism 5, the top surface of the limiting plate 4 is respectively provided with a laser sensing area opposite to the position of the laser range finder 16, specifically, the controller 15 is in signal connection with a brake of the lifting mechanism 5 or a power supply control switch of the lifting mechanism 5, when the laser range finder 16 detects that the limiting plate 4 ascends, information is fed back to the controller 15 to control the brake of the lifting mechanism 5 or power off the lifting mechanism 5, so that the lifting hook 53 is prevented from continuing to punch the top.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which are all within the scope of the claimed utility model. The scope of the utility model is defined by the appended claims and equivalents.
Claims (6)
1. The utility model provides a double-beam bridge crane with promote limit structure, includes the end beam that two horizontal intervals set up, install big car running gear on the end beam, be provided with two horizontal intervals between two end beams set up and with the perpendicular girder of end beam, sliding connection has the dolly that lifts by crane that can follow the girder and remove between two girders, the dolly includes dolly frame, dolly running gear and hoisting mechanism, hoisting mechanism includes wire rope, running gear and lifting hook, its characterized in that: the utility model discloses a trolley is characterized by comprising a trolley frame, wherein fixed boxes which are vertically distributed and have a cavity structure are detachably connected at two ends of the trolley frame, the fixed boxes are all located between two main beams, ejector rods which are coaxially arranged with the fixed boxes are fixedly connected in each fixed box, buffer springs which are located in the fixed boxes are all installed between the top ends of the ejector rods and the fixed boxes, the bottom ends of the ejector rods penetrate through the fixed boxes and then are located under the main beams, limiting plates which are horizontally distributed are detachably connected between the bottom ends of the two ejector rods, sliding ways which are parallel to the length direction of the limiting plates are arranged on the limiting plates, and steel wire ropes penetrate through the limiting plates through the sliding ways, and movable pulley blocks and lifting hooks are located under the limiting plates.
2. A double-girder bridge crane with lifting limiting structure according to claim 1, characterized in that: two guide rods which are vertically and oppositely distributed are fixedly connected in the fixed boxes at two sides of the ejector rod, a sliding plate which is coaxially arranged with the ejector rod is fixedly connected at the top end of the ejector rod, the two sides of the sliding plate are respectively sleeved on the guide rods and are in sliding connection with the guide rods, and buffer springs are respectively arranged between the top surface of the sliding plate and the fixed boxes.
3. A double-girder bridge crane with lifting limiting structure according to claim 1, characterized in that: clamping grooves are formed in the end faces of the two ends of the limiting plate, the bottoms of the ejector rods are respectively located in the clamping grooves, and first connecting bolts which are horizontally distributed are connected between the limiting plates located on the two sides of the clamping grooves and the ejector rods in a threaded mode.
4. A double-girder bridge crane with lifting limiting structure according to claim 3, characterized in that: the bottom of each ejector rod is horizontally provided with a plurality of threaded holes which are distributed along the length direction of the ejector rod at equal intervals.
5. A double-girder bridge crane with lifting limiting structure according to claim 3, characterized in that: limiting plate is split type structure, and the limiting plate includes the stopper that two levels set up relatively, all seted up the spout on the side of stopper opposite side, form the slide between two spouts, and all be provided with the connecting plate of horizontal distribution between the both ends of two stoppers, all be connected through the second connecting bolt of vertical distribution between the both ends of connecting plate and the stopper, every draw-in groove all is cut apart into the groove structure of two equidimension.
6. A double-girder bridge crane with lifting limiting structure according to claim 1, characterized in that: the inboard of every fixed box is all fixed mounting has the mounting panel of horizontal distribution, all install the power on the top surface of mounting panel and have the controller of digital button, install the laser range finder of vertical distribution on the bottom surface of mounting panel, the power is connected with controller, laser range finder electricity, controller and laser range finder, hoisting mechanism signal connection, be provided with the laser response region relative with laser range finder position on the top surface of limiting plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320514477.6U CN219384547U (en) | 2023-03-16 | 2023-03-16 | Double-beam bridge crane with lifting limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320514477.6U CN219384547U (en) | 2023-03-16 | 2023-03-16 | Double-beam bridge crane with lifting limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219384547U true CN219384547U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320514477.6U Active CN219384547U (en) | 2023-03-16 | 2023-03-16 | Double-beam bridge crane with lifting limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219384547U (en) |
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2023
- 2023-03-16 CN CN202320514477.6U patent/CN219384547U/en active Active
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