CN212101670U

CN212101670U - Crane with load protection device

Info

Publication number: CN212101670U
Application number: CN202020733754.9U
Authority: CN
Inventors: 韩召朋; 杨克华; 李先阳; 李宽
Original assignee: HENAN JUREN CRANE GROUP CO Ltd
Current assignee: HENAN JUREN CRANE GROUP CO Ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-08
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a hoist with load protection device, including first pneumatic cylinder, third fixed plate, first slide bar and device shell, fixed stabilizer blade is installed to the bottom of device shell, and the one end of fixed stabilizer blade all installs first fixed plate, the second fixed plate is evenly installed on the top in the device shell outside, and the top of second fixed plate installs the second motor, second motor output end installs the lead screw that runs through to first fixed plate top through the bearing, and the outside of lead screw all is provided with the nut, the nut is kept away from the bottom of device shell one end and is installed first motor, and the output of first motor installs first gear. This hoist with load protection device extrudees the second articulated rod through the roof and extrudees fixed stabilizer blade simultaneously, and the rethread first articulated rod extrudees the second spring for the device can cushion the device when using, improves the life of device.

Description

Crane with load protection device

Technical Field

The utility model relates to a hoisting equipment technical field specifically is a hoist with load protection device.

Background

With the development of society and the continuous progress of science and technology, a device crane appears in the building industry and the transportation industry, the crane is a special equipment for lifting and carrying heavy objects such as building components, semi-finished parts, gravels or barreled fuel, and the traditional crane with a load protection device can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. most of existing devices of cranes with load protection devices in the current market can hoist articles in the using process, the devices can use large force in the hoisting process, and the service life of the devices is short due to long-time use;

2. most of existing devices of cranes with load protection devices in the current market cannot be installed quickly when being installed and used, so that the speed is low when the devices are installed, and the progress of building construction is easy to slow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist with load protection device to solve the long problem of dragging the construction progress slowly of life and installation time of the device that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crane with a load protection device comprises a first hydraulic cylinder, a third fixing plate, a first slide bar and a device shell, wherein a fixing support leg is installed at the bottom end of the device shell, a first fixing plate is installed at one end of the fixing support leg, a second fixing plate is evenly installed at the top end of the outer side of the device shell, a second motor is installed at the top end of the second fixing plate, a lead screw penetrating through the top end of the first fixing plate is installed at the output end of the second motor through a bearing, nuts are arranged on the outer side of the lead screw, a first motor is installed at the bottom end, away from one end of the device shell, of each nut, a first gear is installed at the output end of the first motor, fourth fixing plates are vertically installed at two ends of the inner bottom end of the device shell, a second slide bar is transversely installed at the bottom end, away from one end of the device shell, and second springs are, and the outside of second spring one end second slide bar all is provided with the second slider, the top of second slider all articulates there is first articulated rod, and the top of first articulated rod articulates there is the roof.

Preferably, the drill bit that runs through first fixed plate is evenly provided with on first fixed plate top, and the second gear that meshes mutually with first gear is installed on drill bit outside top, the nut is kept away from the top of device shell one end and is all installed the third fixed plate, and the one end that the device shell was kept away from to the third fixed plate all installs first pneumatic cylinder.

Preferably, the first hydraulic cylinder is close to device shell one end bottom and all installs the first ejector pin that runs through to the drill bit bottom, and the even articulated fourth hinge rod that has in bottom of first ejector pin, the one end of fourth hinge rod all articulates there is the third hinge pole, and the one end that the fourth hinge pole was kept away from to the third hinge pole articulates there is the arm-tie.

Preferably, a second hydraulic cylinder is installed at one end, far away from the device shell, of the top end of the third fixing plate, a second ejector rod penetrating through the bottom end of the first ejector rod is installed at the bottom end of the second hydraulic cylinder, and pull blocks connected with the pull plate in a sliding mode are installed at the bottom end of the second ejector rod.

Preferably, a first sliding rod is transversely installed at the top end, close to one end of the device shell, of the fourth fixing plate, and first guide rods are arranged at one ends, close to the device shell, of the outer sides of the first sliding rods.

Preferably, the outside of first slide bar all is provided with first slider, and first slider top all articulates has the articulated second hinge rod mutually with the roof bottom, the hoist body is installed on the top of roof.

Compared with the prior art, the beneficial effects of the utility model are that: the crane with the load protection device;

1. by installing the top plate, the fixed support legs and the second spring, the second hinge rod is extruded through the top plate, the fixed support legs are extruded at the same time, and the second spring is extruded through the first hinge rod, so that the device can be buffered when in use, and the service life of the device is prolonged;

2. meanwhile, the device is provided with a drill bit, a second ejector rod and a first hydraulic cylinder, the drill bit is driven to rotate by a first motor, the drill bit is pushed out to a certain position by the first hydraulic cylinder and then is driven to move by the second hydraulic cylinder, and a fourth hinge rod and a third hinge rod are driven to rotate to fix a first fixing plate on the ground, so that the building construction efficiency is improved;

3. meanwhile, the device is provided with the drill bit, the second motor and the screw rod, the screw rod is driven to rotate by the second motor, and the drill bit is dragged out by the nut, so that the device can be disassembled quickly after being used.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

In the figure: 1. a first fixing plate; 2. a drill bit; 3. a first ejector rod; 4. a second ejector rod; 5. a first hydraulic cylinder; 6. a second hydraulic cylinder; 7. a first motor; 8. a second fixing plate; 9. a second motor; 10. a crane body; 11. a top plate; 12. a screw rod; 13. a nut; 14. a first gear; 15. a third fixing plate; 16. a second gear; 17. a first guide bar; 18. a fixed leg; 19. a first slider; 20. a second spring; 21. a second slider; 22. a first hinge lever; 23. a fourth fixing plate; 24. a second hinge lever; 25. a first slide bar; 26. a third hinge rod; 27. a device housing; 28. pulling a plate; 29. pulling the block; 30. a second slide bar; 31. a fourth hinge lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-5, the present invention provides an embodiment: a crane with a load protection device comprises a first hydraulic cylinder 5, a third fixing plate 15, a first sliding rod 25 and a device shell 27, wherein a fixing support 18 is installed at the bottom end of the device shell 27, and a first fixing plate 1 is installed at one end of each fixing support 18;

the top end of the first fixing plate 1 is uniformly provided with drill bits 2 penetrating through the first fixing plate 1, the top ends of the outer sides of the drill bits 2 are provided with second gears 16 meshed with the first gears 14, the top ends of the ends, far away from the device shell 27, of the nuts 13 are provided with third fixing plates 15, one ends, far away from the device shell 27, of the third fixing plates 15 are provided with first hydraulic cylinders 5, when the device is used, the first fixing plate 1 is fixed through the drill bits 2, and meanwhile, the first ejector rods 3 are pushed to the ground bottom through the first hydraulic cylinders 5, so that the device can be fixed more quickly when the device is used;

the bottom end of one end, close to the device shell 27, of the first hydraulic cylinder 5 is provided with a first ejector rod 3 penetrating to the bottom end of the drill bit 2, the bottom end of the first ejector rod 3 is uniformly hinged with a fourth hinged rod 31, one end of the fourth hinged rod 31 is hinged with a third hinged rod 26, one end, far away from the fourth hinged rod 31, of the third hinged rod 26 is hinged with a pull plate 28, the pull plate 28 is driven to move through the second ejector rod 4 during use, and meanwhile, the fourth hinged rod 31 and the third hinged rod 26 are driven to rotate, so that the device can be better fixed during use;

the second hydraulic cylinders 6 are mounted at the top ends of the third fixing plates 15, which are far away from the device shell 27, the second ejector rods 4 penetrating through the bottom ends of the first ejector rods 3 are mounted at the bottom ends of the second hydraulic cylinders 6, the pull blocks 29 connected with the pull plates 28 in a sliding mode are mounted at the bottom ends of the second ejector rods 4, the second ejector rods 4 are driven to move through the second hydraulic cylinders 6 during use, and meanwhile, the second ejector rods 4 are driven to move with the pull plates 28 through the pull blocks 29, so that the device can be better fixed and disassembled during use, and the use efficiency of the device is improved;

the top end of the outer side of the device shell 27 is uniformly provided with a second fixing plate 8, the top end of the second fixing plate 8 is provided with a second motor 9, the type of the second motor 9 can be MSME-5AZG1, the output end of the second motor 9 is provided with a screw rod 12 penetrating to the top end of the first fixing plate 1 through a bearing, the outer sides of the screw rods 12 are provided with nuts 13, the bottom end of one end, away from the device shell 27, of each nut 13 is provided with a first motor 7, the type of each first motor 7 can be MSME-011G1, the output end of each first motor 7 is provided with a first gear 14, and the two ends of the bottom end in the device shell 27 are vertically provided with fourth fixing plates 23;

a first sliding rod 25 is transversely installed at the top end of the fourth fixing plate 23 close to one end of the device shell 27, a first guide rod 17 is arranged at one end, close to the device shell 27, of the outer side of the first sliding rod 25, and the first guide rod 17 on the outer side of the first sliding rod 25 is extruded through the first sliding block 19 during use, so that the device can be better buffered during use, and the service life of the device is prolonged;

the outer sides of the first sliding rods 25 are provided with first sliding blocks 19, the top ends of the first sliding blocks 19 are hinged with second hinged rods 24 hinged with the bottom end of the top plate 11, the top end of the top plate 11 is provided with the crane body 10, the first sliding blocks 19 are extruded through the second hinged rods 24 when the crane is used, meanwhile, the first sliding blocks 19 can absorb shock when moving, and the service life of the crane is prolonged;

and the bottom end of the fourth fixing plate 23 far away from one end of the device housing 27 is transversely provided with a second slide bar 30, two ends of the outer side of the second slide bar 30 are both provided with second springs 20, the outer side of the second slide bar 30 at one end of each second spring 20 is both provided with a second sliding block 21, the top ends of the second sliding blocks 21 are both hinged with first hinge rods 22, and the top ends of the first hinge rods 22 are hinged with a top plate 11 which is used for passing through.

The working principle is as follows: when the crane with the load protection device is used, the screw rod 12 is driven to rotate through the second motor 9 to drive the nut 13 to move, meanwhile, the first motor 7 drives the first gear 14 to rotate, the first gear 14 drives the second ejector rod 4 to rotate in the rotating process to drill holes to the ground, after the holes are drilled, the first hydraulic cylinder 5 drives the drill bit 2 to move into the holes, meanwhile, the second hydraulic cylinder 6 drives the second ejector rod 4 to move upwards, when the second ejector rod 4 moves upwards, the pull plate 28 is driven to move, when the pull plate 28 moves, the fourth hinge rod 31 hinged with the pull plate 28 is driven to rotate with the third hinge rod 26, so that the device can be installed quickly when being used, an article to be hoisted is hoisted through the crane body 10, after the hoisting is finished, the crane body 10 extrudes the top plate 11 to extrude the second hinge rod 24 at the bottom end of the top plate 11 to extrude the second hinge rod 24 through the crane body 10 First slider 19 extrudes first guide arm 17 in the first slide bar 25 outside, and roof 11 extrudes first articulated pole 22 simultaneously, extrudes the removal to second slider 21 simultaneously, extrudes the second spring 20 in the second slide bar 30 outside through second slider 21 for the device can cushion the device when using, and above do the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A crane with a load protection device, comprising a first hydraulic cylinder (5), a third fixed plate (15), a first slide bar (25) and a device housing (27), characterized in that: the bottom of the device shell (27) is provided with a fixed support leg (18), one end of the fixed support leg (18) is provided with a first fixed plate (1), the top of the outer side of the device shell (27) is uniformly provided with a second fixed plate (8), the top of the second fixed plate (8) is provided with a second motor (9), the output end of the second motor (9) is provided with a lead screw (12) penetrating to the top end of the first fixed plate (1) through a bearing, the outer side of the lead screw (12) is provided with a nut (13), the bottom of the end, far away from the device shell (27), of the nut (13) is provided with a first motor (7), the output end of the first motor (7) is provided with a first gear (14), the two ends of the inner bottom of the device shell (27) are vertically provided with a fourth fixed plate (23), and the bottom of the end, far away from the device shell (27), of the fourth fixed plate (23, both ends in second slide bar (30) outside all are provided with second spring (20), and the outside of second slide bar (30) of second spring (20) one end all is provided with second slider (21), the top of second slider (21) all articulates there is first articulated rod (22), and the top of first articulated rod (22) articulates there is roof (11).

2. A crane with a load protection device as claimed in claim 1, wherein: first fixed plate (1) top evenly is provided with drill bit (2) that run through first fixed plate (1), and drill bit (2) outside top install with first gear (14) engaged with second gear (16), third fixed plate (15) are all installed on the top that device shell (27) one end was kept away from in nut (13), and first pneumatic cylinder (5) are all installed to the one end that device shell (27) were kept away from in third fixed plate (15).

3. A crane with a load protection device as claimed in claim 2, wherein: first pneumatic cylinder (5) are close to device shell (27) one end bottom and all install first ejector pin (3) that run through to drill bit (2) bottom, and the even articulated fourth hinge rod (31) that has in bottom of first ejector pin (3), the one end of fourth hinge rod (31) all articulates there is third hinge pole (26), and the one end that fourth hinge rod (31) were kept away from in third hinge pole (26) articulates there is arm-tie (28).

4. A crane with a load protection device as claimed in claim 2, wherein: the one end of device shell (27) is kept away from on third fixed plate (15) top all installs second pneumatic cylinder (6), and second pneumatic cylinder (6) bottom install run through to second ejector pin (4) of first ejector pin (3) bottom, second ejector pin (4) bottom all install with arm-tie (28) sliding connection's draw piece (29).

5. A crane with a load protection device as claimed in claim 1, wherein: a first sliding rod (25) is transversely installed at the top end of one end, close to the device shell (27), of the fourth fixing plate (23), and first guide rods (17) are arranged at one ends, close to the device shell (27), of the outer sides of the first sliding rods (25).

6. A crane with a load protection device as claimed in claim 5, wherein: the crane is characterized in that first sliding blocks (19) are arranged on the outer sides of the first sliding rods (25), second hinged rods (24) hinged with the bottom end of the top plate (11) are hinged to the top ends of the first sliding blocks (19), and the crane body (10) is installed on the top end of the top plate (11).