CN214653120U - Double-beam bridge crane with lifting limiting structure - Google Patents
Double-beam bridge crane with lifting limiting structure Download PDFInfo
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- CN214653120U CN214653120U CN202121147651.5U CN202121147651U CN214653120U CN 214653120 U CN214653120 U CN 214653120U CN 202121147651 U CN202121147651 U CN 202121147651U CN 214653120 U CN214653120 U CN 214653120U
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000004224 protection Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000009979 protective mechanism Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a two roof beam bridge crane with promote limit structure relates to the hoist field, a two roof beam bridge crane with promote limit structure, including a supporting beam, tie-beam, girder and first conducting rod, still including preventing unsettled protection machanism of travelling wheel, the mechanism of step up that avoids the goods to drop and carry out spacing stop gear to the couple, the girder is all installed at the both ends of tie-beam, and one side movable mounting that the girder is relative has electric block, the both sides at electric block both ends all are provided with collision pole, and collision pole is close to the one end of girder and installs first gyro wheel, the girder is close to one side of first gyro wheel and has seted up the second spout. The utility model discloses utilize the collision circle to promote first conducting rod, make the second conducting rod of first conducting rod upper end break away from with second chip lower extreme to the outage makes the hoist no longer rise, plays limiting displacement.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a double-beam bridge crane with promote limit structure.
Background
The double-beam bridge crane is generally used in large warehouses and is responsible for carrying large goods, in the carrying process of the goods, the goods often need to be braked after reaching a certain height, the existing crane does not have the function of automatic braking and needs manual control, and therefore the lifting appliance exceeds the allowable height.
Through retrieval, the prior art (201922295887.2) discloses a protection device for crane lifting limit, and provides a double-beam bridge crane, which comprises a first main beam and a second main beam which are arranged in parallel at intervals, wherein two parallel end beams are arranged between the first main beam and the second main beam.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two roof beam bridge crane with promote limit structure to propose in solving above-mentioned background art and need manual system to stop, easily take place misoperation's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a double-beam bridge crane with a lifting limit structure comprises a support beam, a connecting beam, a main beam, a first conducting rod, a protection mechanism for preventing travelling wheels from being suspended, a clamping mechanism for avoiding goods from falling off and a limit mechanism for limiting a hook;
the electric hoist is movably mounted on one side, opposite to the main beam, of the connecting beam, collision rods are arranged on two sides of two ends of the electric hoist, a first roller is mounted at one end, close to the main beam, of each collision rod, a second sliding groove is formed in one side, close to the first roller, of the main beam, each second sliding groove and the first roller form a sliding structure, limiting devices are mounted at two ends of the main beam, second rollers are mounted on two sides of the bottom end of the main beam, a third sliding groove is formed in a position, corresponding to the second roller, of one side of the supporting beam, a first sliding groove is formed in the top end of one side of the supporting beam of each third sliding groove, and the protection mechanism is arranged inside the first sliding grooves;
the limiting block is mounted at the bottom end of the electric hoist, a steel cable penetrates through the limiting block and is arranged inside the electric hoist, and the limiting mechanism is arranged on one side of the limiting block;
one side of the bottom end of the steel cable is hinged with a hook, and the clamping mechanism is arranged on two sides inside the hook.
Preferably, the limiting mechanism comprises a moving block, the moving block is fixedly sleeved on the outer side of the bottom end of the steel cable, the top end of the collision ring is provided with the collision ring, the bottom end of the limiting block is provided with a limiting groove, the top end of one side of the limiting block is provided with a second chip, the bottom end of one side of the limiting block is provided with a first chip, the inside of the first chip is movably provided with a first conducting rod, and the top end of the first conducting rod is movably provided with a second conducting rod.
Preferably, the second chip is U-shaped, and the second conducting rod is in sliding contact with the limiting block and the second chip.
Preferably, the limiting groove and the moving block are in the shape of a circular truncated cone with the same size, and the inner diameter of the collision ring is larger than the outer diameter of the limiting block.
Preferably, the protection mechanism includes slide, spring and slider, the spring evenly sets up in the upper and lower both sides of first spout, and the slide is installed to the relative one side of spring, the slider sets up in the inside of first spout, and the one end of slider extends to the outside of first spout to the slider is connected in the bottom of girder.
Preferably, the slide block and the first sliding groove are both T-shaped, and the slide block is in sliding contact with the sliding plate.
Preferably, step up the mechanism and include articulated piece, supporting rod, touch piece and arc groove, articulated piece is installed in the inside both sides of couple, and articulated piece relative one end all articulates there is the supporting rod, touch piece is installed on the top of supporting rod, and the bottom of supporting rod is opened and all is equipped with the arc groove.
Preferably, the clamping rods at the lower ends of the hinge blocks are installed in a staggered manner.
Compared with the prior art, the utility model provides a pair of double-beam bridge crane with promote limit structure has following beneficial effect:
1. the utility model provides a movable block, a collision ring, a second conducting rod and a second chip, wherein a steel cable rises to drive the movable block, so that the movable block enters a limit groove to limit a lifting appliance, meanwhile, the collision ring at the upper end of the movable block pushes the first conducting rod to separate the second conducting rod at the upper end of the first conducting rod from the lower end of the second chip, thereby cutting off the power, preventing the lifting appliance from rising any more, limiting, and manually dragging the second conducting rod upwards when the lifting appliance needs to be put down, so that the second conducting rod is in contact with the upper end of the second chip to be electrified, and the device returns to normal work;
2. the utility model provides a protection mechanism, when the lifting appliance moves to one end of the main beam, the other side is easy to tilt due to uneven stress, the slide block is limited by the first chute, the slide block moves upwards to be contacted with the slide plate, and the slide block is smoothly contacted with the slide plate through the tension of the spring, so that the main beam can move smoothly, and the phenomenon of hanging travelling wheels due to the separation of the second roller from the third chute can be prevented;
3. the utility model provides a have the mechanism of step-up, put into the couple with the goods, make the goods extrude the supporting rod downwards to the supporting rod takes place to rotate, supporting rod stall when the conflict piece contacts, the goods can be because the tight embedding of self reason is among the arc groove of both sides this moment, and then increases the stability of goods, prevents to lead to the goods unhook because of swaing.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 4 is an enlarged schematic view of the clamping mechanism of the present invention;
fig. 5 is an enlarged schematic view of the protection mechanism of the present invention.
In the figure: 1. a support beam; 2. a first chute; 3. a main beam; 4. a connecting beam; 5. a second chute; 6. a first roller; 7. an electric hoist; 8. a collision bar; 9. a limiting device; 10. a protection mechanism; 1001. a slide plate; 1002. a spring; 1003. a slider; 11. a limiting block; 12. a steel cord; 13. a moving block; 14. hooking; 15. a tightening mechanism; 1501. a hinged block; 1502. a clamping rod; 1503. a contact block; 1504. an arc groove; 16. a collision ring; 17. a second roller; 18. a third chute; 19. a limiting groove; 20. a first chip block; 21. a first conductive rod; 22. a second conductive rod; 23. and a second chip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: referring to fig. 1-5, a double-beam bridge crane with a lifting limit structure comprises a support beam 1, a connecting beam 4, a main beam 3, a first conductive rod 21, a protection mechanism 10 for preventing a travelling wheel from being suspended, a clamping mechanism 15 for preventing goods from falling off, and a limit mechanism for limiting a hook 14;
the two ends of the connecting beam 4 are both provided with a main beam 3, an electric hoist 7 is movably arranged on one side, opposite to the main beam 3, of the main beam 3, collision rods 8 are arranged on the two sides of the two ends of the electric hoist 7, a first idler wheel 6 is arranged at one end, close to the main beam 3, of each collision rod 8, a second sliding chute 5 is formed in one side, close to the first idler wheel 6, of the main beam 3, each second sliding chute 5 and the first idler wheel 6 form a sliding structure, limiting devices 9 are arranged at the two ends of the main beam 3, second idler wheels 17 are arranged on the two sides of the bottom end of the main beam 3, a third sliding chute 18 is formed in the position, corresponding to the second idler wheels 17, of one side of the supporting beam 1, the top end of the supporting beam 1 on one side of each third sliding chute 18 is provided with a first sliding chute 2, and the protection mechanism 10 is arranged inside the first sliding chutes 2;
the bottom end of the electric hoist 7 is provided with a limiting block 11, a steel cable 12 is arranged inside the electric hoist 7, the steel cable 12 penetrates through the limiting block 11, and the limiting mechanism is arranged on one side of the limiting block 11;
one side of the bottom end of the steel cable 12 is hinged with a hook 14, and the clamping mechanisms 15 are arranged on two sides inside the hook 14;
referring to fig. 1-5, the double-beam bridge crane with the lifting limit structure further includes a limit mechanism, the limit mechanism includes a moving block 13, the moving block 13 is fixedly sleeved outside the bottom end of the steel cable 12, the top end of the collision ring 16 is provided with the collision ring 16, the bottom end of the limit block 11 is provided with a limit groove 19, the top end of one side of the limit block 11 is provided with a second chip 23, the bottom end of one side of the limit block 11 is provided with a first chip block 20, a first conductive rod 21 is movably arranged inside the first chip block 20, and the top end of the first conductive rod 21 is movably provided with a second conductive rod 22;
the second chip 23 is U-shaped, and the second conducting rod 22 is in sliding contact with the limiting block 11 and the second chip 23;
the limiting groove 19 and the moving block 13 are in the shape of a truncated cone with the same size, and the inner diameter of the collision ring 16 is larger than the outer part of the limiting block 11;
specifically, as shown in fig. 1 and 3, the steel cable 12 is lifted to drive the moving block 13, so that the moving block 13 enters the limiting groove 19 to limit the lifting appliance, and meanwhile, the collision ring 16 at the upper end of the moving block 13 pushes the first conducting rod 21, so that the second conducting rod 22 at the upper end of the first conducting rod 21 is separated from the lower end of the second chip 23, and therefore, the power is cut off, the lifting appliance is not lifted any more, so that the limiting effect is achieved, when the lifting appliance needs to be put down, the second conducting rod 22 is manually dragged upwards, so that the second conducting rod 22 is in contact with the upper end of the second chip 23, and the device is electrified to return to normal operation.
the sliding block 1003 and the first sliding chute 2 are both T-shaped, and the sliding block 1003 is in sliding contact with the sliding plate 1001;
specifically, as shown in fig. 1, 2 and 5, when the spreader moves to one end of the main beam 3, the other side is tilted due to uneven stress, the sliding block 1003 is limited by the first sliding groove 2, the sliding block 1003 moves upwards to contact with the sliding plate 1001, the sliding block 1003 and the sliding plate 1001 are in smooth contact through the tension of the spring 1002, so that the main beam 3 can move smoothly, and the phenomenon of flying rollers due to the separation of the second roller 17 and the third sliding groove 18 can be prevented.
Example 3: the clamping mechanism 15 comprises a hinge block 1501, clamping rods 1502, abutting blocks 1503 and arc grooves 1504, the hinge block 1501 is installed on two sides inside the hook 14, the clamping rods 1502 are hinged to the opposite ends of the hinge block 1501, the abutting blocks 1503 are installed at the top ends of the clamping rods 1502, and the arc grooves 1504 are formed in the bottom ends of the clamping rods 1502;
the clamping rods 1502 at the lower end of the hinge block 1501 are installed in a staggered manner;
specifically, as shown in fig. 1 and 4, the goods are put into the hook 14, so that the goods press the clamping rod 1502 downwards, the clamping rod 1502 rotates, the clamping rod 1502 stops rotating when the collision block 1503 contacts, the goods can be tightly embedded into the arc grooves 1504 on two sides due to the gravity of the goods, the stability of the goods is improved, and the goods are prevented from being unhooked due to swinging.
The working principle is as follows: when the device is used;
the first innovation point implementation step:
the first step is as follows: the goods are put into the hook 14, so that the goods press the clamping rods 1502 downwards, and the clamping rods 1502 rotate;
the second step is that: when the collision block 1503 contacts, the clamping rod 1502 stops rotating, and at the moment, the goods can be tightly embedded into the arc grooves 1504 at the two sides due to the self gravity, so that the stability of the goods is increased, and the goods are prevented from being unhooked due to swinging.
When the lifting appliance moves to one end of the main beam 3, the stress on the main beam 3 is uneven, and the other side is easy to tilt;
the implementation step of the second innovation point:
the first step is as follows: carry on spacingly by first spout 2 to slider 1003, slider 1003 upward movement and the contact of slide 1001, through the tension of spring 1002, and slider 1003 and the smooth contact of slide 1001 for girder 3 can remove smoothly, can prevent to break away from because of second gyro wheel 17 and third spout 18, the unsettled phenomenon of travelling wheel appears.
The third innovation point implementation step:
the first step is as follows: the first sliding groove 2 is used for lifting to drive the moving block 13, so that the moving block 13 enters the limiting groove 19 to limit the lifting appliance;
the second step is that: meanwhile, the collision ring 16 at the upper end of the moving block 13 pushes the first conducting rod 21, so that the second conducting rod 22 at the upper end of the first conducting rod 21 is separated from the lower end of the second chip 23, and the power is cut off, so that the lifting appliance does not rise any more, and a limiting effect is achieved;
the third step: when the device needs to be put down, the second conducting rod 22 is manually dragged upwards, so that the second conducting rod 22 is in contact with the upper end of the second chip 23 and electrified, and the device returns to normal operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A double-beam bridge crane with a lifting limit structure comprises a support beam (1), a connecting beam (4), a main beam (3) and a first conducting rod (21), and is characterized by further comprising a protective mechanism (10) for preventing travelling wheels from being suspended, a clamping mechanism (15) for avoiding goods from falling off and a limit mechanism for limiting a hook (14);
the electric hoist is characterized in that main beams (3) are installed at two ends of the connecting beam (4), an electric hoist (7) is movably installed at one opposite side of each main beam (3), collision rods (8) are arranged at two sides of two ends of each electric hoist (7), a first roller (6) is installed at one end, close to each main beam (3), of each collision rod (8), a second sliding groove (5) is formed in one side, close to each first roller (6), of each main beam (3), each second sliding groove (5) and each first roller (6) form a sliding structure, limiting devices (9) are installed at two ends of each main beam (3), each second roller (17) is installed at two sides of the bottom end of each main beam (3), a third sliding groove (18) is formed in one side of each supporting beam (1) corresponding to the position of each second roller (17), each first sliding groove (2) is formed in the top end of each supporting beam (1) on one side of each third sliding groove (18), the protection mechanism (10) is arranged inside the first sliding chute (2);
the bottom end of the electric hoist (7) is provided with a limiting block (11), a steel cable (12) is arranged inside the electric hoist (7), the steel cable (12) penetrates through the limiting block (11), and the limiting mechanism is arranged on one side of the limiting block (11);
one side of the bottom end of the steel cable (12) is hinged with a hook (14), and the clamping mechanisms (15) are arranged on two sides of the interior of the hook (14).
2. The double-beam bridge crane with the lifting limit structure as claimed in claim 1, wherein: the limiting mechanism comprises a moving block (13), the moving block (13) is fixedly sleeved on the outer side of the bottom end of the steel cable (12), the top end of the collision ring (16) is provided with the collision ring (16), the bottom end of the limiting block (11) is provided with a limiting groove (19), the top end of one side of the limiting block (11) is provided with a second chip (23), the bottom end of one side of the limiting block (11) is provided with a first chip (20), a first conducting rod (21) is movably arranged inside the first chip (20), and the top end of the first conducting rod (21) is movably provided with a second conducting rod (22).
3. The double-beam bridge crane with the lifting limit structure as claimed in claim 2, wherein: the shape of second chip (23) is the U style of calligraphy, second conducting rod (22) and stopper (11) and second chip (23) sliding contact.
4. The double-beam bridge crane with the lifting limit structure as claimed in claim 2, wherein: the limiting groove (19) and the moving block (13) are in the shape of a circular truncated cone with the same size, and the inner diameter of the collision ring (16) is larger than the outer diameter of the limiting block (11).
5. The double-beam bridge crane with the lifting limit structure as claimed in claim 1, wherein: protection machanism (10) include slide (1001), spring (1002) and slider (1003), spring (1002) evenly set up in the upper and lower both sides of first spout (2), and slide (1001) are installed to spring (1002) relative one side, slider (1003) set up in the inside of first spout (2), and the one end of slider (1003) extends to the outside of first spout (2) to slider (1003) are connected in the bottom of girder (3).
6. The double-beam bridge crane with the lifting limit structure as claimed in claim 5, wherein: the sliding block (1003) and the first sliding groove (2) are both T-shaped, and the sliding block (1003) is in sliding contact with the sliding plate (1001).
7. The double-beam bridge crane with the lifting limit structure as claimed in claim 1, wherein: clamping mechanism (15) are including articulated piece (1501), clamping rod (1502), conflict piece (1503) and arc groove (1504), articulated piece (1501) is installed in couple (14) inside both sides, and articulated piece (1501) relative one end all articulates has clamping rod (1502), touch piece (1503) are installed to the top of clamping rod (1502), and open the bottom of clamping rod (1502) all is equipped with arc groove (1504).
8. The double-beam bridge crane with the lifting limit structure as claimed in claim 7, wherein: the clamping rods (1502) at the lower ends of the hinge blocks (1501) are installed in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147651.5U CN214653120U (en) | 2021-05-26 | 2021-05-26 | Double-beam bridge crane with lifting limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147651.5U CN214653120U (en) | 2021-05-26 | 2021-05-26 | Double-beam bridge crane with lifting limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214653120U true CN214653120U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121147651.5U Expired - Fee Related CN214653120U (en) | 2021-05-26 | 2021-05-26 | Double-beam bridge crane with lifting limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214653120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402937A (en) * | 2022-09-29 | 2022-11-29 | 中交一公局第五工程有限公司 | Lifting device for adding external admixture rock asphalt and field construction method |
| CN116513994A (en) * | 2023-06-27 | 2023-08-01 | 河南中原重工装备有限公司 | Bridge crane electric hoist |
-
2021
- 2021-05-26 CN CN202121147651.5U patent/CN214653120U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402937A (en) * | 2022-09-29 | 2022-11-29 | 中交一公局第五工程有限公司 | Lifting device for adding external admixture rock asphalt and field construction method |
| CN115402937B (en) * | 2022-09-29 | 2024-03-12 | 中交一公局第五工程有限公司 | Lifting device for adding asphalt of externally doped rock and field construction method |
| CN116513994A (en) * | 2023-06-27 | 2023-08-01 | 河南中原重工装备有限公司 | Bridge crane electric hoist |
| CN116513994B (en) * | 2023-06-27 | 2023-09-01 | 河南中原重工装备有限公司 | Bridge crane electric hoist |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |