CN209143556U - A kind of crane that stability is good - Google Patents

Abstract

The utility model discloses a kind of good cranes of stability, including shell, support plate is fixedly connected at left and right sides of the shell, driving motor is fixedly connected at the top of the shell, drive shaft is fixedly connected on the output shaft of the driving motor, the bottom end of the drive shaft through shell and extends to inside it.The utility model passes through driving motor, drive shaft, first gear, rolling bearing, threaded shaft, second gear, threaded block, sliding slot, sliding block, set casing, hook, telescopic rod, reset spring and cylinder cooperate, when carrying out lifting operation, the article of lifting is limited using set casing, when rope is unstable or when generation article hoisting falls, article can be limited in certain area, it prevents in article drop event, article four dissipates, improve the stability of device, it is conducive to provide the operating environment of safety and stability, it brings great convenience to user.

Description

A kind of crane that stability is good

Technical field

The utility model relates to crane technical field, the good crane of specially a kind of stability.

Background technique

Crane refers to more movement hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods.Also known as day Vehicle, hanging, crane.The work characteristics that lifting equipment has is to do intermittent exercise, i.e., in a working cycles feeding, migration, The corresponding mechanism of the movements such as unloading is to work alternatively, and crane develops in the market and using more and more extensive.Crane Matching wirerope kind includes phosphorized coating steel wire rope, galvanized steel wire rope and bright wire rope.Crane mainly included Rise mechanism, operating mechanism, jib lubbing mechanism, swing mechanism and metal structure etc..Lifting mechanism is the groundwork mechanism of crane, It is made of mostly hangar system and winch, also has and weight is gone up and down by hydraulic system.Operating mechanism is transported to vertical equity It moves weight or adjusts the operating position of crane, be usually made of motor, retarder, brake and wheel.Jib lubbing mechanism It is only provided on jib-type crane, amplitude reduces when cantilever crane is steeved, and amplitude increases when bending down, balance-dividing luffing and non-equilibrium change Two kinds of width.Swing mechanism is made of turn round cantilever crane driving device and rotary supporting device.Metal structure is crane Skeleton, primary load-carrying members such as gantry, cantilever crane and door frame can be box structure or truss structure, can also be web structure, have Fashioned iron can be used as backbar.Common crane stability is not satisfactory, when carrying out lifting operation, due to rope and shakiness Fixed, article, which is easy to produce, in hoisting process falls off, and stability is insufficient, is unfavorable for providing the operating environment of safety and stability, to making User brings great inconvenience.

Utility model content

The purpose of this utility model is to provide a kind of good cranes of stability, have the good advantage of stability, solve The not satisfactory problem of common crane stability.

To achieve the above object, the utility model provides the following technical solutions: a kind of crane that stability is good, including shell Body is fixedly connected to support plate at left and right sides of the shell, driving motor is fixedly connected at the top of the shell, described Drive shaft is fixedly connected on the output shaft of driving motor, the bottom end of the drive shaft through shell and extends in it Portion is fixedly connected with first gear positioned at the bottom end of the drive shaft of enclosure interior, the support plate close to shell side and The position of corresponding first gear opens up fluted, and rolling bearing, two rolling bearings are fixedly connected on the inner wall of the groove Between be flexibly connected by threaded shaft, the surface of the threaded shaft is fixedly connected with second gear, the first gear with Second gear intermeshing, the surface of the threaded shaft and be located at second gear on the right side of be threaded with threaded block, it is described Sliding slot is offered at the top of inner walls, and sliding block, the bottom of the sliding block and screw thread are connected on the inner wall of the sliding slot It is fixedly connected at the top of block, the bottom of the inner walls offers through slot, and the bottom of the threaded block is provided with set casing, institute The bottom of set casing is stated through through slot and is extended to outside it, the bottom of the threaded block through set casing and extends in it Portion, the bottom of the threaded block inside set casing are provided with hook, and telescopic rod, institute are fixedly connected on the right side of the set casing It states telescopic rod to be fixedly connected far from one end of set casing with support plate, the surface of the telescopic rod is socketed with reset spring, is located at The position of the support plate in left side and corresponding set casing is fixedly connected with mounting plate, is fixedly connected with gas at the top of the mounting plate Cylinder, the right end of the cylinder through support plate and extend to its it is external be fixedly connected on the left of set casing.

Preferably, the bottom of the support plate is fixedly connected with pedestal, the top of the pedestal and the side far from shell It is fixedly connected with fixed plate, the fixed plate is fixedly connected far from the side of pedestal with support plate.

Preferably, protecting crust compatible with driving motor is provided at the top of the shell.

Preferably, the bottom of the shell and be located at through slot at left and right sides of be respectively and fixedly provided with limited block, the limited block is remote The side of shrinking away from theshell body is fixedly connected with support plate.

Preferably, the bottom of the mounting plate is fixedly connected with fixed block, the fixed block close to support plate side with Support plate is fixedly connected.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through driving motor, drive shaft, first gear, rolling bearing, threaded shaft, the second tooth Wheel, threaded block, sliding slot, sliding block, set casing, hook, telescopic rod, reset spring and cylinder cooperate, and are carrying out lifting operation When, the article of lifting is limited using set casing, when rope is unstable or when generation article hoisting falls, can be incited somebody to action Article is limited in certain area, is prevented in article drop event, and article four dissipates, and is improved the stability of device, is conducive to provide The operating environment of safety and stability, brings great convenience to user.

2, the utility model is cooperated by pedestal and fixed plate, plays the work that firm support is carried out to support plate With, by be arranged protecting crust play the role of protecting driving motor, by be arranged limited block play to shell into The fixed effect of row is played the role of limiting mounting plate, prevents from being caused due to external force by the way that fixed block is arranged Mounting plate occurs being broken or tilt.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the structure of the utility model main view；

Fig. 2 is the partial enlarged view of A-A in the utility model Fig. 1；

Fig. 3 is the structural schematic diagram of the utility model right view.

In figure: 1 shell, 2 support plates, 3 driving motors, 4 drive shafts, 5 first gears, 6 grooves, 7 rolling bearings, 8 spiral shells Line shaft, 9 second gears, 10 threaded blocks, 11 sliding slots, 12 sliding blocks, 13 through slots, 14 set casings, 15 hooks, 16 telescopic rods, 17 are answered Position spring, 18 mounting plates, 19 cylinders, 20 pedestals, 21 fixed plates, 22 protecting crusts, 23 limited blocks, 24 fixed blocks.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3, a kind of crane that stability is good, including shell 1, the left and right sides of shell 1 is please referred to be fixedly connected with There is a support plate 2, the bottom of support plate 2 is fixedly connected with pedestal 20, the top of the pedestal 20 and side far from shell 1 is fixedly connected There is fixed plate 21, side of the fixed plate 21 far from pedestal 20 is fixedly connected with support plate 2, mutual by pedestal 20 and fixed plate 21 Cooperation plays the role of carrying out support plate 2 firm support, and the top of shell 1 is fixedly connected with driving motor 3, shell 1 Top is provided with protecting crust 22 compatible with driving motor 3, is played by setting protecting crust 22 and is protected to driving motor 3 The effect of shield, drive shaft 4 is fixedly connected on the output shaft of driving motor 3, and the bottom end of drive shaft 4 through shell 1 and is prolonged It extends to inside it, the bottom end of the drive shaft 4 inside shell 1 is fixedly connected with first gear 5, and support plate 2 is close to shell 1 Side and the position of corresponding first gear 5 open up fluted 6, be fixedly connected with rolling bearing 7 on the inner wall of groove 6, two It is flexibly connected between rolling bearing 7 by threaded shaft 8, the surface of threaded shaft 8 is fixedly connected with second gear 9, the first tooth Wheel 5 is threaded with threaded block with the intermeshing of second gear 9, the surface of threaded shaft 8 and the right side for being located at second gear 9 10, offer sliding slot 11 at the top of 1 inner wall of shell, be connected with sliding block 12 on the inner wall of sliding slot 11, the bottom of sliding block 12 with The top of threaded block 10 is fixedly connected, and the bottom of 1 inner wall of shell offers through slot 13, the bottom of shell 1 and is located at through slot 13 The left and right sides is respectively and fixedly provided with limited block 23, and side of the limited block 23 far from shell 1 is fixedly connected with support plate 2, is limited by setting Position block 23 plays the role of that shell 1 is fixed, and the bottom of threaded block 10 is provided with set casing 14, the bottom of set casing 14 It through through slot 13 and extends to outside it, the bottom of threaded block 10 through set casing 14 and extends to inside it, is located at set casing The bottom of threaded block 10 inside 14 is provided with hook 15, and the right side of set casing 14 is fixedly connected with telescopic rod 16, telescopic rod 16 One end far from set casing 14 is fixedly connected with support plate 2, and the surface of telescopic rod 16 is socketed with reset spring 17, positioned at left side The position of support plate 2 and corresponding set casing 14 is fixedly connected with mounting plate 18, and the bottom of mounting plate 18 is fixedly connected with fixed block 24, fixed block 24 is fixedly connected close to the side of support plate 2 with support plate 2, is played by the way that fixed block 24 is arranged to mounting plate 18 effects limited prevent from causing mounting plate 18 to occur being broken or tilt due to external force, and the top of mounting plate 18 is solid Surely it is connected with cylinder 19, the right end of cylinder 19 runs through support plate 2 and extends to its outside to be fixedly connected with the left side of set casing 14, Pass through driving motor 3, drive shaft 4, first gear 5, rolling bearing 7, threaded shaft 8, second gear 9, threaded block 10, sliding slot 11, sliding block 12, set casing 14, hook 15, telescopic rod 16, reset spring 17 and cylinder 19 cooperate, and are carrying out lifting operation When, the article of lifting is limited using set casing 14, it, can when rope is unstable or when generation article hoisting falls Article is limited in certain area, is prevented in article drop event, article four dissipates, and improves the stability of device, is conducive to mention For the operating environment of safety and stability, bring great convenience to user.

In use, suspending items from hook 15, rope is pulled, article is lifted, while starting driving motor 3, driven Dynamic motor 3 drives drive shaft 4, and drive shaft 4 drives first gear 5, and first gear 5 drives and its intermeshing second tooth 9 rotation of wheel, second gear 9 drive threaded shaft 8 to rotate, and the left and right ends of threaded shaft 8 are mutually rotated with rolling bearing 7, Since threaded block 10 is threadedly coupled with threaded shaft 8, and threaded block 10 is limited by sliding block 12 and sliding slot 11, so that threaded block 10 It moves right on 8 surface of threaded shaft, threaded block 10 drives hook 15 to move right, and 15 drive article of hook moves right, together Shi Qidong cylinder 19, cylinder 19 drives set casing 14 to move right, by external controller so that the mobile frequency of cylinder 19 with The mobile speed of threaded block 10 is identical, and set casing 14 generates extruding, telescopic rod 16 and reset to telescopic rod 16 and reset spring 17 Spring 17 is in compressive state, when being transported to suitable position, is put down hook 15 by rope, and hook 15 drives article phase Lower movement, staff take out article from hook 15.

In summary: the good crane of the stability passes through driving motor 3, drive shaft 4, first gear 5, the axis of rolling It holds 7, threaded shaft 8, second gear 9, threaded block 10, sliding slot 11, sliding block 12, set casing 14, hook 15, telescopic rod 16, reset Spring 17 and cylinder 19 cooperate, and solve the problems, such as that common crane stability is not satisfactory.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of good crane of stability, including shell (1), it is characterised in that: the left and right sides of the shell (1) is fixed It is connected with support plate (2), is fixedly connected with driving motor (3) at the top of the shell (1), the output of the driving motor (3) It is fixedly connected on axis drive shaft (4), the bottom end of the drive shaft (4) through shell (1) and extends to inside it, is located at The bottom end of the internal drive shaft (4) of shell (1) is fixedly connected with first gear (5), and the support plate (2) is close to shell (1) Side and the position of corresponding first gear (5) open up fluted (6), be fixedly connected with rolling on the inner wall of the groove (6) Bearing (7) is flexibly connected between two rolling bearings (7) by threaded shaft (8), and the surface of the threaded shaft (8) is fixed It is connected with second gear (9), the first gear (5) and second gear (9) are intermeshed, the surface of the threaded shaft (8) And be located on the right side of second gear (9) and be threaded with threaded block (10), sliding slot is offered at the top of shell (1) inner wall (11), it is connected with sliding block (12) on the inner wall of the sliding slot (11), bottom and threaded block (10) of the sliding block (12) Top is fixedly connected, and the bottom of shell (1) inner wall offers through slot (13), and the bottom of the threaded block (10) is provided with solid Determine shell (14), the bottom of the set casing (14) through through slot (13) and extends to outside it, the bottom of the threaded block (10) It through set casing (14) and extends to inside it, the bottom for being located at set casing (14) internal threaded block (10) is provided with hook (15), it is fixedly connected with telescopic rod (16) on the right side of the set casing (14), the telescopic rod (16) is far from set casing (14) One end is fixedly connected with support plate (2), and the surface of the telescopic rod (16) is socketed with reset spring (17), the support positioned at left side The position of plate (2) and corresponding set casing (14) is fixedly connected with mounting plate (18), is fixedly connected at the top of the mounting plate (18) Have cylinder (19), the right end of the cylinder (19), which runs through support plate (2) and extends to its external left side with set casing (14), to be consolidated Fixed connection.

2. a kind of good crane of stability according to claim 1, it is characterised in that: the bottom of the support plate (2) It being fixedly connected with pedestal (20), the side of the top of the pedestal (20) and separate shell (1) is fixedly connected with fixed plate (21), The fixed plate (21) is fixedly connected far from the side of pedestal (20) with support plate (2).

3. a kind of good crane of stability according to claim 1, it is characterised in that: set at the top of the shell (1) It is equipped with and driving motor (3) compatible protecting crust (22).

4. a kind of good crane of stability according to claim 1, it is characterised in that: the bottom of the shell (1) and It is respectively and fixedly provided at left and right sides of through slot (13) limited block (23), side and branch of the limited block (23) far from shell (1) Fagging (2) is fixedly connected.

5. a kind of good crane of stability according to claim 1, it is characterised in that: the bottom of the mounting plate (18) It is fixedly connected with fixed block (24), the fixed block (24) is fixedly connected close to the side of support plate (2) with support plate (2).