CN219751673U - Crane grab convenient to disassemble and assemble - Google Patents

Abstract

The left side and the right side of the surface of the sliding block are respectively hinged with a first hinge rod, the front side and the rear side of the inner side of the grab bucket are respectively provided with a connecting part, one end of the connecting part is detachably connected with the outer side of the grab bucket and the other end of the hinge rod, and the other end of the connecting part is detachably connected with the inner side of the grab bucket and the mounting plate; when the device is used, the mounting holes on the grab buckets can be directly corresponding to the connecting holes on the first hinge rod and the connecting holes on the mounting plate respectively when the two grab buckets are required to be mounted, then the two pin rods on the connecting part penetrate through the mounting holes and the connecting holes, the grab buckets can be mounted, the pin rods can not slip off under the blocking of the stop blocks in the use process, the guard plate can be taken off when the grab buckets are dismounted, one of the control knobs in the connecting part is directly rotated, the whole connecting part can be dismounted, and a user can conveniently dismount the grab buckets.

Description

Crane grab convenient to disassemble and assemble

Technical Field

The utility model belongs to the field of hoisting equipment machinery, and particularly relates to a crane grab convenient to disassemble and assemble.

Background

The crane with the grab bucket as the lifting tool can perform operations such as unloading, piling, transporting, taking, feeding and the like in raw material preparation operation, the grab bucket bridge crane is widely applicable to lifting operations of common goods and waste materials of various factories and mines, the special lifting tool with the grab bucket is configured to perform special operations, the existing crane is mainly controlled by cables and is connected through pin shafts in use, repeated opening and closing grabbing is performed in use, the grab bucket mainly operates in reciprocating motion, the pin shafts are high in abrasion, periodic oiling maintenance is needed, the grab bucket is detached when needed, replacement is convenient, and the pin shafts are troublesome to install and detach one by one when the grab bucket is installed and detached, so that the use efficiency of the grab bucket is affected.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the crane grab which is convenient to disassemble and assemble, and the problems in the background art are effectively solved.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model provides a hoist grab bucket convenient to dismouting, includes grab bucket, grab bucket totally two bilateral symmetry distributes respectively, two the common detachable of upside of grab bucket is connected with a mounting panel, the upper end fixedly connected with installing frame of mounting panel, the curb plate surface sliding connection of the front side both sides of installing frame has the slider that can reciprocate in step, the left and right sides on slider's surface articulates respectively has first articulated lever, the inboard front and back both sides of grab bucket are provided with connecting portion respectively, the one end of connecting portion is connected with the outside of grab bucket and the other end detachable of articulated lever, the other end of connecting portion is connected with the inboard of grab bucket and the mounting panel detachable.

Preferably, the connecting part comprises two pin rods, the outer side and the inner side of the surface of the grab bucket are respectively provided with a mounting hole, one end of the first hinging rod connected with the outer side of the grab bucket and the surface of the mounting plate connected with the inner side of the grab bucket are respectively provided with a connecting hole, and the two pin rods are respectively arranged in the mounting holes and the connecting holes which are arranged in a coaxial center on two sides correspondingly; the upper side and the lower side of the outer side of the surface of the pin rod are respectively provided with a mounting groove, the inside of each mounting groove is respectively fixedly connected with a vertically arranged mounting shaft, the inside of each mounting groove is respectively provided with a stop block which can move up and down in a sliding fit manner, the stop blocks are respectively connected with the mounting shafts in a sliding manner, the stop blocks can be hidden in the mounting grooves, the surfaces of the mounting shafts are respectively sleeved with a pushing spring, and the pushing springs are respectively positioned at the inner sides of the stop blocks; rectangular grooves are formed in the outer ends of the stop blocks respectively, baffle plates are fixedly connected to the outer ends of the mounting rods respectively, and the baffle plates are located in the rectangular grooves.

Preferably, the outer ends of the stop blocks are respectively provided with an inclined plane inclined inwards.

Preferably, the rear sides of the two mounting grooves are provided with an annular groove, the annular groove and the pin rod are coaxial, the middle part of the rear end of the annular groove is provided with a through hole, a central rod is rotationally connected with the through hole, the two sides of the central rod, which correspond to one end in the annular groove, are respectively and fixedly connected with an inclined groove plate, the surfaces of the inclined groove plates are provided with inclined grooves, the inner ends of the two upper stop blocks and the lower stop blocks are respectively and fixedly connected with a pin shaft, and the pin shafts are respectively and slidably matched with the inclined grooves.

Preferably, one end of the central rod, which is far away from the chute plate, is fixedly connected with a control knob respectively, one end of the pin rod, which corresponds to the control knob, is provided with a groove, and the control knob is hidden in the groove.

Preferably, the inner ends of the two pin rods are respectively detachably provided with a guard plate, one ends of the guard plates corresponding to the grooves are respectively fixedly connected with a matching sleeve which can be embedded in the grooves, and the guard plates are connected with the ends of the two pin rods through the matching sleeves.

Preferably, the surfaces of the central rod positioned in the groove are respectively fixedly connected with a linkage belt wheel, the surfaces of the two linkage belt wheels positioned at the same connecting part are sleeved with a transmission belt, and the surfaces of the pin rods are provided with openings for transmission of the transmission belt.

Preferably, the upper end fixedly connected with protection box of mounting panel, the inside fixedly connected with motor of protection box, the output fixedly connected with first bevel gear of motor, the left side meshing of first bevel gear has second bevel gear, second bevel gear rotates with the protection box inner wall to be connected, the middle part fixedly connected with thumb wheel of second bevel gear, the downside meshing of thumb wheel has the sheave, the middle part fixedly connected with transfer line of sheave, the surface of transfer line rotates with the protection box surface respectively to be connected, the both ends of transfer line are fixedly connected with swinging arms respectively, the other end of swinging arms articulates there is the articulated pole of second, the other end of the articulated pole of second articulates with the slider respectively.

The utility model has novel structure, ingenious conception and simple and convenient operation, and has the following advantages compared with the prior art:

when the device is used, the mounting holes on the grab buckets can be directly corresponding to the connecting holes on the first hinge rod and the connecting holes on the mounting plate respectively when the two grab buckets are required to be mounted, then the two pin rods on the connecting part penetrate through the mounting holes and the connecting holes, the grab buckets can be mounted, the pin rods can not slip off under the blocking of the stop blocks in the use process, the guard plate can be taken off when the grab buckets are dismounted, one of the control knobs in the connecting part is directly rotated, the whole connecting part can be dismounted, and a user can conveniently dismount the grab buckets.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a crane grab which is convenient to disassemble and assemble.

Fig. 2 is a schematic sectional view of a protective box of a crane grab, which is convenient to disassemble and assemble.

Fig. 3 is a first schematic view of a guard plate mounting structure of a crane grab which is convenient to disassemble and assemble.

Fig. 4 is a schematic structural view of a connecting part of a crane grab which is convenient to disassemble and assemble.

Fig. 5 is a schematic diagram of a stopper mounting structure of a crane grab which is convenient to disassemble and assemble.

Fig. 6 is a schematic diagram of a chute plate driving structure of a crane grab which is convenient to disassemble and assemble.

Fig. 7 is a schematic diagram of a control knob mounting structure of a crane grab which is convenient to disassemble and assemble.

Fig. 8 is a second schematic view of a guard plate mounting structure of a crane grab which is convenient to disassemble and assemble.

Fig. 9 is a first schematic view of a grab bucket opening and closing driving structure of a crane grab bucket convenient to disassemble and assemble.

Fig. 10 is a second schematic diagram of a grab bucket opening and closing driving structure of a crane grab bucket convenient to disassemble and assemble.

In the figure: 1-grab bucket, 2-mounting plate, 3-mounting frame, 4-curb plate, 5-first articulated lever, 6-slider, 7-pin, 8-dog, 9-backplate, 10-mounting axle, 11-push spring, 12-center pole, 13-chute board, 14-round pin axle, 15-rectangular channel, 16-control knob, 17-recess, 18-linkage pulley, 19-drive belt, 20-cooperation cover, 21-motor, 22-first bevel gear, 23-second bevel gear, 24-drive lever, 25-swinging rod, 26-second articulated lever, 27-thumb wheel, 28-sheave, 29-protection box, 30-spout.

Detailed Description

The following are specific embodiments of the present utility model, and the technical solutions of the present utility model are further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-10, the utility model provides a crane grab bucket convenient to disassemble and assemble, which comprises a grab bucket 1, wherein the grab bucket 1 is symmetrically distributed in a left-right mode, the upper sides of the grab buckets 1 are detachably connected with a mounting plate 2, the upper end of the mounting plate 2 is fixedly connected with a mounting frame 3, the surfaces of side plates 4 on the two sides of the front side of the mounting frame 3 are slidably connected with a sliding block 6 capable of synchronously moving up and down, the left side and the right side of the surface of the sliding block 6 are respectively hinged with a first hinge rod 5, the front side and the rear side of the inner side of the grab bucket 1 are respectively provided with a connecting part, one end of each connecting part is detachably connected with the outer side of the grab bucket 1 and the other end of each hinge rod, and the other end of each connecting part is detachably connected with the inner side of the grab bucket 1 and the mounting plate 2.

The grab bucket 1 is connected with the mounting plate 2 through the connecting part when the device is used, the grab bucket 1 can be conveniently detached through the connecting part when the device is detached, the device is extremely convenient to install and detach, the transport of the grab bucket 1 is convenient, the mounting efficiency of the grab bucket 1 is improved, and the grab bucket 1 is convenient to use; when using grab bucket 1, can control opening and shutting of two grab buckets 1 under the drive of first articulated rod 5 through two slider 6 simultaneous up-and-down movements, not only conveniently transport the material, need not connect the cable moreover, stability when having improved grab bucket 1 and open to be favorable to the installation and the dismantlement of grab bucket 1, facilitate the user to use, spout 30 has been seted up on the surface of curb plate 4, slider 6 and spout 30 sliding connection can improve the stability of grab bucket 1 when opening and shutting.

The connecting part comprises two pin rods 7, wherein the outer side and the inner side of the surface of the grab bucket 1 are respectively provided with mounting holes, one end of the first hinging rod 5 connected with the outer side of the grab bucket 1 and the surface of the mounting plate 2 connected with the inner side of the grab bucket 1 are respectively provided with connecting holes, and the two pin rods 7 are respectively arranged in the mounting holes and the connecting holes which are arranged corresponding to the coaxial centers of the two sides; the upper side and the lower side of the outer side of the surface of the pin rod 7 are respectively provided with a mounting groove, the inside of each mounting groove is respectively fixedly connected with a vertically arranged mounting shaft 10, the inside of each mounting groove is respectively in sliding fit with a stop block 8 which can move up and down, the stop blocks 8 are respectively in sliding connection with the mounting shafts 10, the stop blocks 8 can be hidden in the mounting grooves, the surfaces of the mounting shafts 10 are respectively sleeved with a pushing spring 11, and the pushing springs 11 are respectively positioned at the inner sides of the stop blocks 8; the outer ends of the stop blocks 8 are respectively provided with a rectangular groove 15, the outer ends of the mounting rods are respectively fixedly connected with a baffle plate, and the baffle plates are positioned in the rectangular grooves 15; the grab bucket 1 is hinged through the rotation fit of the mounting hole and the connecting hole with the pin rod 7 respectively when being opened, and in order to conveniently realize the installation and the disassembly of the pin rod 7, the stop blocks 8 in the mounting groove are protruded out of the surface of the pin rod 7 in normal state under the pushing of the pushing spring 11, when being installed, only the two stop blocks 8 are controlled to move inwards to be hidden in the mounting groove, the pin rod 7 can pass through the mounting hole and the connecting hole, the butt joint of the grab bucket 1 with the first hinging rod 5 and the mounting plate 2 is realized, after one end of the mounting stop block 8 passes through the mounting hole and the connecting hole, the stop blocks 8 can be pushed to protrude out of the mounting groove again without being blocked under the pushing of the restoring spring, the pin rod 7 cannot be separated, the pin rod 7 is installed, the pin rod 7 can be pulled out by just pushing the stop blocks 8 on two sides to be hidden in the mounting groove when being disassembled, the operation is simple and convenient, and the disassembly efficiency is high.

In order to improve the disassembly efficiency of the pin rod 7, the outer ends of the stop blocks 8 are respectively provided with inclined planes inclined inwards, when the pin rod 7 is installed, the inclined plane parts of the stop blocks 8 are stressed to move inwards and squeeze the pushing springs 11, the pressure of the stop blocks 8 disappears after one ends of the installation stop blocks 8 are separated from the installation holes and the connection holes, and the stop blocks 8 move outwards to reset under the pushing of the pushing springs 11, so that the disassembly efficiency of the pin rod 7 is greatly improved, and the use by a user is facilitated.

In order to facilitate controlling the two baffle blocks 8 to move inwards when the pin rod 7 is disassembled, the rear sides of the two mounting grooves are provided with an annular groove which is coaxial with the pin rod 7, the middle part of the rear end of the annular groove is provided with a through hole, the through hole is rotationally connected with a central rod 12, two sides of the central rod 12 corresponding to one end in the annular groove are respectively fixedly connected with an inclined groove plate 13, the surfaces of the inclined groove plates 13 are provided with inclined grooves, the inner ends of the two baffle blocks 8 which correspond up and down are respectively fixedly connected with a pin roll 14, and the pin rolls 14 are respectively in sliding fit with the inclined grooves; can control center pole 12 and rotate when the operation, can drive chute board 13 simultaneously and rotate when center pole 12 rotates, because chute and round pin axle 14 sliding fit, can drive dog 8 to the medial movement through the promotion of chute when control center pole 12 rotates, realize that control dog 8 hides the mounting groove, conveniently dismantle round pin pole 7.

In order to facilitate the user to rotate the center rod 12, one end of the center rod 12 far away from the chute plate 13 is fixedly connected with a control knob 16 respectively, the user drives the center rod 12 to rotate by rotating the control knob 16, the circumferential surface of the control knob 16 begins to use a plurality of strip-shaped grooves respectively, the control knob 16 is used for facilitating the user to rotate, the user operates conveniently, a groove 17 is formed in one end of the pin 7 corresponding to the control knob 16, the control knob 16 is hidden in the groove 17, the groove 17 is used for protecting the control knob 16, and the risk that the pin 7 accidentally drops due to the fact that the material is mistakenly touched to the control knob 16 when the material is grabbed is avoided.

In order to further improve the protection effect to control knob 16, stability when increasing pin 7 and use, the inner of two pin 7 is detachable respectively installs a backplate 9, backplate 9 and recess 17 correspond the one end respectively fixedly connected with can inlay the cooperation cover 20 in recess 17, backplate 9 is connected through cooperation cover 20 and recess 17 and installs at two pin 7 tip, cooperation cover 20 can adopt the rubber material to make, can improve the fastness when installing in recess 17, and then improve the fastness when backplate 9 installs, can carry out abundant protection to empty box knob through backplate 9 of installation, the convenience of use uses.

In order to facilitate the user to simultaneously control the two control knobs 16 in the single connecting part to simultaneously rotate, improve the disassembly and assembly efficiency of the user on the pin 7, the surfaces of the center rod 12 positioned in the groove 17 are fixedly connected with the linkage belt wheels 18 respectively, the surfaces of the two linkage belt wheels 18 positioned in the same connecting part are sleeved with a transmission belt 19, the surface of the pin 7 is provided with an opening for the transmission belt 19, and when one control knob 16 is rotated, the other control knob 16 can synchronously rotate under the transmission of the linkage belt wheels 18 and the transmission belt 19, so that the stop block 8 in the single connecting part is conveniently controlled by the user to simultaneously move inwards, and the quick disassembly of the pin 7 is realized.

The upper end of the mounting plate 2 is fixedly connected with a protection box 29, the inside of the protection box 29 is fixedly connected with a motor 21, the output end of the motor 21 is fixedly connected with a first bevel gear 22, the left side of the first bevel gear 22 is meshed with a second bevel gear 23, the second bevel gear 23 is rotationally connected with the inner wall of the protection box 29, the middle part of the second bevel gear 23 is fixedly connected with a deflector wheel 27, the lower side of the deflector wheel 27 is meshed with a grooved pulley 28, the middle part of the grooved pulley 28 is fixedly connected with a transmission rod 24, the surface of the transmission rod 24 is rotationally connected with the surface of the protection box 29 respectively, two ends of the transmission rod 24 are fixedly connected with swinging rods 25 respectively, the other end of the swinging rods 25 are hinged with second hinging rods 26, and the other ends of the second hinging rods 26 are hinged with sliding blocks 6 respectively; the motor 21 is used for driving the two grab buckets 1 to open and close, the motor 21 can adopt a positive and negative rotation motor 21, the driving wheel 27 can be driven to rotate under the engagement of the first bevel gear 22 and the second bevel gear 23 when the motor 21 rotates positively, the transmission rod 24 can be driven to rotate ninety degrees under the engagement of the driving wheel 27 and the grooved wheel 28 when the driving wheel 27 rotates, the sliding block 6 can be pushed to move upwards under the transmission of the swinging rod 25 and the second hinging rod 26 when the transmission rod 24 rotates, the effect of controlling the two grab buckets 1 to open is achieved, the two grab buckets 1 can be driven to close when the motor 21 rotates reversely, the opening and closing of the grab buckets 1 are achieved, a control circuit of the motor 21 and the motor 21 is in the prior art, the repeated description is omitted, the self-locking effect is achieved in the transmission process of the driving wheel 27 and the grooved wheel 28, the stability of the grab bucket 1 during use is improved, and the use effect of the device is improved.

The device can directly correspond the mounting holes on the grab buckets 1 with the connecting holes on the first hinging rods 5 and the connecting holes on the mounting plate 2 respectively when two grab buckets 1 are required to be mounted in use, then the grab buckets 1 can be mounted by penetrating the mounting holes and the connecting holes between the two pin rods 7 on the connecting parts, the pin rods 7 can not slip under the blocking of the stop blocks 8 in the use process, the guard plate 9 can be taken off when the grab buckets 1 are dismounted, one of the control knobs 16 in the connecting parts can be directly rotated, the whole connecting part can be dismounted, the grab buckets 1 can be dismounted by a user conveniently, the positive and negative rotation of the motor 21 can be directly controlled when the grab buckets 1 are used for controlling, and the use is convenient.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (8)

1. The utility model provides a hoist grab bucket convenient to dismouting, includes grab bucket (1), and grab bucket (1) share two bilateral symmetry respectively distributes, its characterized in that: two the common detachable mounting panel (2) that is connected with in upside of grab bucket (1), the upper end fixedly connected with mounting panel (2) of mounting panel (3), curb plate (4) surface sliding connection of the front side both sides of mounting panel (3) have slider (6) that can reciprocate in step, the left and right sides on the surface of slider (6) articulates respectively has first articulated rod (5), both sides are provided with connecting portion respectively around grab bucket (1) inboard, the one end of connecting portion is connected with the outside of grab bucket (1) and the detachable of the other end of articulated rod, the other end of connecting portion is connected with the inboard of grab bucket (1) and the detachable of mounting panel (2).

2. A crane grab for easy removal and installation as claimed in claim 1, wherein: the connecting part comprises two pin rods (7), wherein the outer side and the inner side of the surface of the grab bucket (1) are respectively provided with mounting holes, one end of the first hinging rod (5) connected with the outer side of the grab bucket (1) and the surface of the mounting plate (2) connected with the inner side of the grab bucket (1) are respectively provided with connecting holes, and the two pin rods (7) are respectively arranged in the mounting holes and the connecting holes which are correspondingly arranged on the coaxial centers of the two sides; the upper side and the lower side of the outer side of the surface of the pin rod (7) are respectively provided with a mounting groove, the inside of the mounting groove is respectively fixedly connected with a vertically arranged mounting shaft (10), the inside of the mounting groove is respectively in sliding fit with a stop block (8) capable of moving up and down, the stop block (8) is respectively in sliding connection with the mounting shaft (10), the stop block (8) can be hidden in the mounting groove, the surface of the mounting shaft (10) is respectively sleeved with a pushing spring (11), and the pushing springs (11) are respectively positioned at the inner sides of the stop blocks (8); rectangular grooves (15) are respectively formed in the outer ends of the stop blocks (8), baffle plates are respectively fixedly connected to the outer ends of the mounting rods, and the baffle plates are located in the rectangular grooves (15).

3. A crane grab for easy removal and installation as claimed in claim 2, wherein: the outer ends of the stop blocks (8) are respectively provided with inclined planes which incline inwards.

4. A crane grab for easy removal and installation as claimed in claim 3, wherein: an annular groove is formed in the rear side of the two mounting grooves, the annular groove is coaxial with the pin rod (7), a through hole is formed in the middle of the rear end of the annular groove, a center rod (12) is connected in the through hole in a rotating mode, inclined groove plates (13) are fixedly connected to two sides, corresponding to one end, of the center rod (12) located in the annular groove respectively, inclined grooves are formed in the surfaces of the inclined groove plates (13), pin shafts (14) are fixedly connected to the inner ends of the two upper and lower corresponding stop blocks (8) respectively, and the pin shafts (14) are in sliding fit with the inclined grooves respectively.

5. The easy-to-disassemble crane grab of claim 4, wherein: one end of the center rod (12) far away from the chute plate (13) is fixedly connected with a control knob (16) respectively, one end of the pin rod (7) corresponding to the control knob (16) is provided with a groove (17), and the control knob (16) is hidden in the groove (17).

6. A crane grab for easy removal and installation as claimed in claim 2, wherein: the inner ends of the two pin rods (7) are respectively detachably provided with a guard plate (9), one ends of the guard plates (9) corresponding to the grooves (17) are respectively fixedly connected with a matching sleeve (20) which can be embedded in the grooves (17), and the guard plates (9) are connected with the grooves (17) through the matching sleeves (20) and are arranged at the ends of the two pin rods (7).

7. A crane grab for easy removal and installation as claimed in claim 2, wherein: the surface of the central rod (12) positioned in the groove (17) is fixedly connected with a linkage belt wheel (18) respectively, the surfaces of the two linkage belt wheels (18) positioned at the same connecting part are sleeved with a transmission belt (19), and the surface of the pin rod (7) is provided with an opening for the transmission of the transmission belt (19).

8. A crane grab for easy removal and installation as claimed in claim 2, wherein: the upper end fixedly connected with protection box (29) of mounting panel (2), the inside fixedly connected with motor (21) of protection box (29), the output fixedly connected with first bevel gear (22) of motor (21), the left side meshing of first bevel gear (22) has second bevel gear (23), the middle part fixedly connected with thumb wheel (27) of second bevel gear (23) and protection box (29) inner wall rotation are connected, the downside meshing of thumb wheel (27) has sheave (28), the middle part fixedly connected with transfer line (24) of sheave (28), the surface of transfer line (24) is connected with protection box (29) surface rotation respectively, the both ends of transfer line (24) are fixedly connected with swinging arms (25) respectively, the other end of swinging arms (25) articulates there is second articulated arm (26), the other end of second articulated arm (26) articulates with slider (6) respectively.