CN217025037U

CN217025037U - Clamp holder for crane

Info

Publication number: CN217025037U
Application number: CN202220061206.5U
Authority: CN
Inventors: 孙作有; 隋岩
Original assignee: Dalian Sanhuan Hoisting Machinery Factory
Current assignee: Dalian Sanhuan Hoisting Machinery Factory
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-22
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a clamper for a crane, which comprises a fixed plate, wherein a pair of cavities are formed in the fixed plate, a supporting seat and a second supporting seat are respectively and fixedly arranged on the two inner side walls of the pair of cavities, a first rotating shaft and a second rotating shaft are respectively and movably inserted in the pair of supporting seats and the pair of second supporting seats, a traction roller is respectively and fixedly arranged between the pair of first rotating shafts and the pair of second rotating shafts, traction ropes are respectively wound on the pair of traction rollers, a transmission mechanism is arranged on the pair of second rotating shafts, a second cavity is formed in the lower wall of the fixed plate, a connecting plate is fixedly arranged at the lower end of the pair of traction ropes, a rotating mechanism is arranged on the connecting plate, the rotating angle of the rotating shafts can be controlled by controlling a second driving motor, the flexibility of the crane during transportation is improved, and the application range of the crane is enlarged, the practicality is strong, is fit for promoting.

Description

Clamp holder for crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a clamp holder for a crane.

Background

The crane has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, so that the crane is more and more widely developed and used in the market. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); stable operation, large lifting capacity and capability of lifting and walking in a specific range.

For example, utility model patent with publication number CN207877098U discloses a clamping device for marine crane, relates to crane accessory manufacturing field. This a clamping device for marine crane, including the mount, the back fixed mounting of mount inner wall has the motor frame, the back fixed mounting of motor frame inner wall has first motor, the output of first motor has the gear through shaft coupling fixed mounting, the inside of mount is provided with the tooth dental lamina, intermeshing between tooth dental lamina and the gear, the positive fixed mounting of mount inner wall has the bearing frame, the inside of bearing frame is fixed to be pegged graft and is had the connecting axle, however in the actual work, this utility model can only transport article from top to bottom, and unable rotation, the flexibility is not high, can receive certain limitation at work.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model discloses a clamp holder for a crane, which improves the problem of low transportation flexibility of the crane, the rotating mechanism is arranged on the connecting plate, the rotating angle of the rotating shaft can be controlled by controlling the second driving motor, the transportation flexibility of the crane is improved, the application range of the crane is expanded, the practicability is high, and the clamp holder is suitable for popularization.

In order to realize the purpose, the utility model is realized by the following technical scheme: a gripper for a crane comprises a fixed plate, wherein a pair of cavities are formed in the fixed plate, a supporting seat and a second supporting seat are respectively and fixedly arranged on two inner side walls of the pair of cavities, a first rotating shaft and a second rotating shaft are respectively movably inserted in the pair of supporting seats and the pair of second supporting seats, a traction roller is respectively and fixedly arranged between the pair of first rotating shafts and the pair of second rotating shafts, a traction rope is respectively wound on the pair of traction rollers, a transmission mechanism is arranged on the pair of second rotating shafts, a second cavity is formed in the lower wall of the fixed plate, a clamping mechanism is arranged in the second cavity, a connecting plate is fixedly arranged at the lower end of the pair of traction ropes, a third cavity is formed in the connecting plate, a sleeve is fixedly arranged on the lower wall surface of the connecting plate, a rotating mechanism is arranged in the third cavity, and a lower circular ring is fixedly arranged on the inner side wall of the sleeve, be equipped with the same recess of a plurality of specifications in the ring upper wall down, it is a plurality of there is the running roller respectively movable mounting in the same recess of specification, wall middle part fixed mounting has the third supporting seat under the connecting plate, the movable cartridge has the fixed axle in the third supporting seat, fixed axle lower extreme fixed mounting has the pivot, the cover is equipped with the ring on the pivot lateral wall, go up under the ring wall with a plurality of the same running roller of specification contacts, pivot lower extreme fixed mounting has the second connecting plate, wall both ends respectively fixed mounting have mounting panel () under the second connecting plate, and is a pair of be equipped with fixture in the mounting panel.

Preferably, the clamping mechanism comprises a pair of fourth cavities respectively formed in the pair of mounting plates, a hydraulic cylinder is respectively and fixedly mounted in each fourth cavity, a clamping plate is respectively and fixedly mounted at the telescopic end of each hydraulic cylinder, a pair of sliding grooves are respectively formed in one side wall of each mounting plate, sliding rods are respectively inserted into the two pairs of sliding grooves, and the other ends of the two pairs of sliding rods are respectively and fixedly mounted on the side walls of the pair of clamping plates.

Preferably, drive mechanism is including the suit respectively a pair of epaxial a pair of first driven gear of second pivot, the inside passageway that is equipped with of fixed plate, the passageway both ends respectively with a pair of the cavity intercommunication, movable mounting has the transfer line in the passageway, the transfer line both ends are overlapped respectively and are equipped with first driving gear and middle part cover and are equipped with second driven gear, and are a pair of first driven gear respectively with a pair of first driving gear meshing, wall fixed mounting has first driving motor on the fixed plate, first driving motor drive end cover is equipped with the second driving gear, the second driving gear with second driven gear meshing.

Preferably, the rotating mechanism comprises a second driving motor fixedly installed in the third cavity, a third driving gear is sleeved at the driving end of the second driving motor, a third driven gear is sleeved on the fixed shaft, and the third driving gear is meshed with the third driven gear.

Preferably, the clamping mechanism comprises an air cylinder fixedly installed in the second cavity, a clamping block is fixedly installed on the upper wall surface of the connecting plate, a clamping groove is formed in the upper wall of the fixing plate, and one end of the clamping groove is communicated with the second cavity.

Preferably, a plurality of auxiliary rollers are respectively installed on the bottom walls of the grooves with the same specification, and the lower ends of the main rollers with the same specification are in contact with the upper ends of the auxiliary rollers with the same specification.

Preferably, a bearing is fixedly installed on one side wall of the lower circular ring, and a rotating shaft is inserted in the bearing.

Advantageous effects

The utility model provides a clamp holder for a crane, which has the following beneficial effects:

1. a pair of cavities are arranged in a fixed plate, supporting seats are fixedly arranged on inner side walls of one pair of cavities respectively, second supporting seats are fixedly arranged on the other side walls of the one pair of cavities respectively, first rotating shafts are movably inserted in the pair of supporting seats respectively, second rotating shafts are movably inserted in the pair of second supporting seats respectively, a pair of first driven gears are sleeved on the second rotating shafts respectively and are meshed with a pair of first driving teeth sleeved at two ends of a transmission rod respectively, traction rollers are fixedly arranged between the second rotating shafts respectively, and a first driving motor runs and is meshed with the second driven gears through a second driving gear, so that the pair of traction rollers are controlled to lift.

2. There is pivot and internally mounted to have a second driving motor bottom movable mounting, and second driving motor drive end cover is equipped with the third driving gear, and the cover is equipped with third driven gear on the fixed axle, through the meshing between third driving gear and the third driven gear to the control pivot is rotatory together with other parts that the pivot below is connected, makes this utility model promote the flexibility.

3. When the clamping plates are controlled by the pair of hydraulic cylinders to clamp articles, the pair of clamping plates can be more stable by the two pairs of sliding rods, and the articles are clamped more firmly.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic top view of the lower ring of the present invention.

FIG. 3 is a schematic view of a partial enlarged structure of A of the present invention

In the figure: 1. a fixing plate; 2. a traction roller; 3. a first rotating shaft; 4. a hauling rope; 5. a first driven gear; 6. a first drive gear; 7. a transmission rod; 8. a second driven gear; 9. a second driving gear; 10. A first drive motor; 11. a connecting plate; 12. a second drive motor; 13. a cylinder; 14. a clamping block; 15. a sleeve; 16. an upper circular ring; 17. a lower circular ring; 18. a main roller; 19. an auxiliary roller; 20. A bearing; 21. a second connecting plate; 22. mounting a plate; 23. a hydraulic cylinder; 24. a clamping plate; 25. a rotating shaft; 26. a third driven gear.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1-3, a clamping device for a crane comprises a fixing plate 1, a pair of cavities is formed in the fixing plate 1, a supporting seat and a second supporting seat are respectively fixedly mounted on two inner side walls of the pair of cavities, a first rotating shaft 3 and a second rotating shaft are respectively movably inserted in the pair of supporting seats and the pair of second supporting seats, a pulling roller 2 is respectively fixedly mounted between the pair of first rotating shaft 3 and the pair of second rotating shaft, a pulling rope 4 is respectively wound on the pair of pulling roller 2, a transmission mechanism is arranged on the pair of second rotating shaft, a second cavity is formed in the lower wall of the fixing plate 1, a clamping mechanism is arranged in the second cavity, a connecting plate 11 is fixedly mounted at the lower end of the pair of pulling rope, a third cavity is formed in the connecting plate 11, a sleeve 15 is fixedly mounted on the lower wall of the connecting plate, and a rotating mechanism is arranged in the third cavity, the inner side wall of the sleeve 15 is fixedly provided with a lower ring 17, the upper wall of the lower ring 17 is internally provided with a plurality of grooves with the same specification, a plurality of grooves with the same specification are respectively and movably provided with a main roller 18, the middle part of the lower wall surface of the connecting plate 11 is fixedly provided with a third supporting seat, a fixed shaft is movably inserted in the third supporting seat, the lower end of the fixed shaft is fixedly provided with a rotating shaft 25, the side wall of the rotating shaft 25 is sleeved with an upper ring 16, the lower wall surface of the upper ring 16 is contacted with a plurality of main rollers 18 with the same specification, the lower end of the rotating shaft 25 is fixedly provided with a second connecting plate 21, two ends of the lower wall surface of the second connecting plate 21 are respectively and fixedly provided with mounting plates (22), a pair of mounting plates are internally provided with clamping mechanisms, each clamping mechanism comprises a pair of fourth cavities respectively arranged in the pair of mounting plates 22, and a pair of fourth cavities are respectively and fixedly provided with hydraulic cylinders 23, a clamping plate 24 is fixedly mounted at the telescopic end of each of the hydraulic cylinders 23, a pair of sliding grooves are respectively formed in one side wall of each of the mounting plates 22, sliding rods are respectively inserted into the two pairs of sliding grooves, the other ends of the two pairs of sliding rods are respectively fixedly mounted on the side walls of the clamping plates 24, the transmission mechanism comprises a pair of first driven gears 5 respectively sleeved on the pair of second rotating shafts, a channel is arranged in the fixing plate 1, the two ends of the channel are respectively communicated with the pair of cavities, a transmission rod 7 is movably mounted in the channel, a first driving gear 6 is respectively sleeved at the two ends of the transmission rod 7, a second driven gear 8 is sleeved at the middle part of the transmission rod 7, the pair of first driven gears 5 are respectively engaged with the pair of first driving gears 6, a first driving motor 10 is fixedly mounted on the upper wall surface of the fixing plate 1, and a second driving gear 9 is sleeved at the driving end of the first driving motor 10, the second driving gear 9 is engaged with the second driven gear 8, the rotating mechanism comprises a second driving motor 12 fixedly installed in the third cavity, a third driving gear is sleeved on a driving end of the second driving motor 12, a third driven gear 26 is sleeved on the fixed shaft, the third driving gear is engaged with the third driven gear 26, the clamping mechanism comprises a cylinder 13 fixedly installed in the second cavity, a clamping block 14 is fixedly installed on an upper wall surface of the connecting plate 11, a clamping groove is arranged in an upper wall of the fixed plate 11, one end of the clamping groove is communicated with the second cavity, a plurality of groove bottom walls with the same specification are respectively provided with an auxiliary roller 19, the lower end of a plurality of main rollers 18 with the same specification is contacted with the upper end of a plurality of auxiliary rollers 19 with the same specification, and a bearing 20 is fixedly installed on one side wall of the lower ring 17, a rotating shaft 25 is inserted into the bearing 20.

Example (b): when the device is used, the first driving motor 10 is started, the driving end of the first driving motor drives the second driving gear 9 to be meshed with the second driven gear 8 sleeved on the transmission rod 7, so as to drive the first driving gear 6 sleeved at two ends of the transmission rod 7 to be meshed with the pair of first driven gears 5 respectively sleeved on the second rotating shaft, as the other ends of the pair of second rotating shafts are fixedly connected with one sides of the traction rollers 2 respectively, when the first driving motor 10 is started, the pair of traction rollers 2 can be controlled to rotate, when the pair of traction rollers 2 rotate, the traction ropes 4 wound on the pair of traction rollers can be wound or unwound along with the first driving gear, so as to control the connecting plate 11 fixedly connected with the lower ends of the pair of traction ropes 4 to lift, when the connecting plate 11 rises to the highest position, the clamping block 14 fixedly mounted on the upper wall surface of the connecting plate can be inserted into the clamping groove on the fixing plate 1, so as to realize fixation, the second driving motor 12 is started, a third driving gear sleeved on a telescopic end of the hydraulic cylinder is meshed with a third driven gear 26 sleeved on the fixed shaft, so that a rotating shaft 25 fixedly installed at the lower end of the fixed shaft rotates, a plurality of grooves are formed in a lower ring 17, a main roller 18 and an auxiliary roller 19 are respectively and movably installed in the grooves, when the main roller 18 rotates, an upper ring 16 fixedly installed on the side wall of the main roller applies pressure to the main rollers 18 to rotate the main rollers 18, so that the friction resistance caused by rotation is reduced, the auxiliary rollers 19 are respectively and movably installed on the bottom walls of the grooves to share the pressure applied to the main rollers 18, so that the service life of the main rollers 18 is prolonged, a pair of hydraulic cylinders 23 is started, the telescopic end of the hydraulic cylinder pushes a pair of clamping plates 24 to move oppositely, so as to clamp an object, a pair of sliding grooves are respectively formed in a pair of mounting plates 22, sliding rods are respectively inserted in the two pairs of sliding grooves, the other ends of the two pairs of sliding rods are respectively fixed on the side walls of the pair of clamping plates 24, the pair of holding plates 24 can be made stable while holding the object.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gripper for a crane comprises a fixing plate (1) and is characterized in that a pair of cavities are formed in the fixing plate (1), a pair of supporting seats and a second supporting seat are fixedly mounted on two inner side walls of the cavities respectively, a pair of supporting seats and a pair of second supporting seats are movably inserted into a first rotating shaft (3) and a second rotating shaft respectively, a pair of first rotating shaft (3) and a pair of second rotating shaft are fixedly mounted between the first rotating shaft (2) and the second rotating shaft respectively, a traction rope (4) is wound on the pair of traction rollers (2) respectively, a transmission mechanism is arranged on the pair of second rotating shafts, a second cavity is formed in the lower wall of the fixing plate (1), a clamping mechanism is arranged in the second cavity, a connecting plate (11) is fixedly mounted at the lower end of the traction rope, a third cavity is formed in the connecting plate (11), and a sleeve (15) is fixedly mounted on the lower wall of the connecting plate, a rotating mechanism is arranged in the third cavity, a lower circular ring (17) is fixedly arranged on the inner side wall of the sleeve (15), a plurality of grooves with the same specification are arranged in the upper wall of the lower circular ring (17), a main roller (18) is respectively and movably arranged in the grooves with the same specification, a third supporting seat is fixedly arranged in the middle of the lower wall surface of the connecting plate (11), a fixed shaft is movably inserted in the third supporting seat, a rotating shaft (25) is fixedly arranged at the lower end of the fixed shaft, an upper ring (16) is sleeved on the side wall of the rotating shaft (25), the lower wall surface of the upper circular ring (16) is contacted with a plurality of main rollers (18) with the same specification, the lower end of the rotating shaft (25) is fixedly provided with a second connecting plate (21), two ends of the lower wall surface of the second connecting plate (21) are respectively fixedly provided with a mounting plate (22), and a pair of clamping mechanisms are arranged in the mounting plates.

2. The crane clamp holder according to claim 1, wherein the clamping mechanism comprises a pair of fourth cavities respectively formed in a pair of the mounting plates (22), a hydraulic cylinder (23) is respectively and fixedly mounted in the pair of fourth cavities, clamping plates (24) are respectively and fixedly mounted at telescopic ends of the pair of hydraulic cylinders (23), a pair of sliding grooves are respectively formed in one side wall of the pair of mounting plates (22), sliding rods are respectively inserted into the two pairs of sliding grooves, and the other ends of the two pairs of sliding rods are respectively and fixedly mounted on the side walls of the pair of clamping plates (24).

3. A crane gripper according to claim 1, wherein said transmission mechanism comprises a pair of first driven gears (5) fitted around a pair of said second shafts, respectively, a channel is arranged in the fixed plate (1), two ends of the channel are respectively communicated with the pair of cavities, a transmission rod (7) is movably arranged in the channel, two ends of the transmission rod (7) are respectively sleeved with a first driving gear (6), the middle part of the transmission rod (7) is sleeved with a second driven gear (8), the pair of first driven gears (5) are respectively meshed with the pair of first driving gears (6), a first driving motor (10) is fixedly arranged on the upper wall surface of the fixed plate (1), a second driving gear (9) is sleeved at the driving end of the first driving motor (10), the second driving gear (9) is meshed with the second driven gear (8).

4. A crane gripper according to claim 1, wherein said rotating mechanism comprises a second driving motor (12) fixedly mounted in said third cavity, a driving end of said second driving motor (12) is sleeved with a third driving gear, said fixed shaft is sleeved with a third driven gear (26), and said third driving gear is engaged with said third driven gear (26).

5. A crane holder according to claim 1, wherein said clamping mechanism comprises a cylinder (13) fixedly mounted in said second cavity, a clamping block (14) is fixedly mounted on the upper wall surface of said connecting plate (11), a clamping groove is provided in the upper wall of said fixing plate (1), and one end of said clamping groove is communicated with said second cavity.

6. A crane gripper according to claim 1, wherein a plurality of said recesses of the same size are provided with auxiliary rollers (19) on their bottom walls, respectively, and a plurality of said main rollers (18) of the same size are provided with their lower ends in contact with upper ends of a plurality of said auxiliary rollers (19) of the same size.

7. A crane gripper according to claim 1, wherein a bearing (20) is fixedly mounted on a side wall of the lower ring (17), and a rotating shaft (25) is inserted into the bearing (20).