CN214192355U - Crane with safety protection function - Google Patents

Abstract

The utility model discloses a hoist with safety protection function, including becoming to install the lifting hook under the width of cloth dolly, there is the hook piece through the screw fixation in the inboard top of lifting hook, and the liner is installed to the inboard bottom of lifting hook, and the nylon rope is installed to the ladder that climbs, and the nylon rope passes the gasket slotted hole on the waist support belt, and the inside both sides of gasket are connected with the elastic band respectively, are connected with the public piece of eye-splice through the eye-splice female member between the elastic band. This hoist with safety protection function, use the lifting hook to lift by crane the goods, the goods that has set up hook piece and liner on the lifting hook and prevented to lift by crane produces to slide and drops and cause the accident in promoting the in-process, the security has been improved, when using the ladder that climbs, install the waist protection band that provides the protection for the people of different types, the size that accords with the type is fixed with the public piece of eye-splice by the eye-splice female member on the elastic band and eye-splice, avoid harming the waist because of the size is inconsistent, the waist protection band still is provided with the nylon rope, good wearability has, the effect of safety protection has been provided for the operator.

Description

Crane with safety protection function

Technical Field

The utility model relates to a hoist technical field specifically is a hoist with safety protection function.

Background

Along with the high-speed development of Chinese urbanization construction, the crane has the characteristics of strong flexibility and large bearing capacity, and can conveniently play more and more important roles in building construction, cargo carrying and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist with safety protection function has safety protection's advantage, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a crane with a safety protection function comprises a cab, wherein a tower cap is arranged above the cab, a crane boom pull rod, a balance arm pull rod and a steel wire rope are respectively arranged on the tower cap, the balance arm pull rod and the steel wire rope which are positioned on the left side of the tower cap are fixedly connected onto a balance arm through a clamping plate, a balancing weight is arranged at the tail end of the balance arm, the crane boom pull rod and the steel wire rope which are positioned on the right side of the tower cap are fixedly connected onto the crane boom through the clamping plate, an amplitude-variable steel wire rope and an amplitude-variable trolley are respectively arranged on the crane boom, a lifting hook is arranged below the amplitude-variable trolley, and the amplitude-variable trolley is connected with the amplitude-variable steel wire rope;

a base bearing platform is arranged at the bottom end below the cab, a tower body is welded on the base bearing platform, a base section and a lifter are respectively arranged outside the tower body, and a climbing ladder is arranged inside the base section;

the two sides of the climbing ladder are both provided with slide rails, slide blocks are arranged on the slide rails, nylon ropes are arranged in the slide blocks, the nylon ropes penetrate through gasket groove holes in the waist protecting belts to be connected with the slide blocks, two sides in the gaskets are respectively and fixedly connected with elastic belts, and the elastic belts are connected with male plug-in buckle parts through female plug-in buckle parts;

the upper portion of the inner side of the lifting hook is provided with a hook sheet fixed through a screw, and the bottom end of the inner side of the lifting hook is provided with a liner.

Preferably, steel plates are mounted on two sides above the lifting hook.

Preferably, a pulley piece connected with a fixing rod is arranged between two sides above the steel plate respectively, and the first screw is fixedly connected to the pulley piece through a first fixing plug-in.

Preferably, a second screw is arranged between two sides below the steel plate and penetrates through the second fixing plug-in unit to be provided with a lifting hook, and a third screw is fixedly connected onto the second fixing plug-in unit through the third fixing plug-in unit.

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

the crane with the safety protection function has the advantages that an operator can use the elevator to reach a cab, a sight blind angle can be avoided on the cab, the crane can be operated more safely, the collision damage caused by disassembly and assembly can be reduced by a tower cap on the cab, the counter weight on the balance arm can be increased and adjusted at will according to different weights of lifted goods, the whole balance of the crane is guaranteed, the operator can use a lifting hook on an amplitude variation trolley to lift the goods, the lifting hook is provided with a hook piece and a liner to prevent the lifted goods from sliding and falling off in the lifting process to cause accidents, the safety is improved, a climbing ladder can be used in maintenance and inspection, a waist protection belt for protecting people of different body types is arranged on the climbing ladder, the size position conforming to the body type can be fixed through the female plug-in piece and the male plug-in piece on the elastic belt, and the size is prevented from being inconsistent, the waist is hurt by uneven stress, and the waist protecting belt is also provided with a nylon rope, so that the waist protecting belt has good wear resistance, is not easy to damage, and provides a safety protection effect for an operator.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a structural view of the step ladder of the present invention;

FIG. 3 is a partial structure view of the hook of the present invention;

fig. 4 is a diagram of the structure of the pulley assembly of the present invention.

In the figure: 1. a cab; 2. a tower cap; 3. a boom pull rod; 4. a balance arm pull rod; 5. a wire rope; 6. a splint; 7. a balance arm; 8. a balancing weight; 9. a cargo boom; 10. a variable amplitude steel wire rope; 11. a variable amplitude trolley; 12. a hook; 13. a base platform; 14. a tower body; 15. a base section; 16. an elevator; 17. climbing a ladder; 18. a slide rail; 19. a slider; 20. a waist protecting band; 21. a gasket; 22. a nylon cord; 23. an elastic band; 24. a female plug-in fastener; 25. a male part is inserted and buckled; 26. a steel plate; 27. fixing the rod; 28. a pulley member; 29. a first screw; 30. a first fixed insert; 31. a second screw; 32. a second fixed insert; 33. a third screw; 34. a third fixed insert; 35. a hook sheet; 36. a liner.

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, a crane with safety protection function includes a cab 1, a place for an operator to control a machine, the operator controls the machine in the cab 1, the problem of view shielding can be solved, a blind angle of sight is avoided, working efficiency is improved, and the crane is safe and easy to operate, a tower cap 2 is installed above the cab 1 for connecting a boom pull rod 3 and a balance arm pull rod 4, collision damage caused by disassembly and assembly can be reduced, the boom pull rod 3 is installed on the tower cap 2 respectively for suspending a trolley boom in a variable amplitude manner, a tension rigging at a specified position is balanced by the balance arm pull rod 4, a tension rigging for lifting an object and a steel wire rope 5 can transmit long-distance load, the bearing capacity is large, the overload capacity is strong, the balance arm pull rod 4 and the steel wire rope 5 positioned at the left side of the tower cap 2 are fixedly connected by a clamp plate 6 to play a stable and firm role on a balance arm 7, and a safety factor is convenient for the personnel to install and overhaul on the balance arm 7, the tail end of a balance arm 7 is provided with a balancing weight 8 to play a role in keeping the balance of the machine, the weight is added according to the strength of the vehicle, if the weight is too heavy, the strength of the vehicle is possibly damaged when the vehicle is lifted, the weight can be disassembled, a boom pull rod 3 and a steel wire rope 5 which are positioned on the right side of a tower cap 2 are fixedly connected on a boom 9 by a clamping plate 6 to support the lifting weight of a container and have certain lifting height and width, the boom 9 is respectively provided with an amplitude-variable steel wire rope 10 which can drive the boom to change the amplitude, and an amplitude-variable trolley 11 which can move back and forth along a track on the boom, a lifting hook 12 is arranged below the amplitude-variable trolley 11 to lift the goods, the amplitude-variable trolley 11 is connected with the amplitude-variable steel wire rope 10, the lifting hook 12 and a heavy object also move horizontally to realize amplitude along with the back and forth of the amplitude-variable trolley 11, and a base bearing platform 13 is arranged at the bottom end below a cab 1 to bear the load, the integral foundation structure is supported, the tower body 14 is welded on the foundation bearing platform 13 to bear large pressure, bending, torsion and shearing load effects, the strength, rigidity, stability and fatigue resistance are important to check, the foundation sections 15 are respectively installed outside the tower body 14 and are all installed at the lowest end of the tower crane, the wall thickness of the foundation sections 15 is larger than that of common sections, the compression resistance degree is high, the elevator 16 is used for an operator to take to reach the cab 1, and the climbing ladder 17 is installed inside the foundation sections 15 to facilitate the operator to climb maintenance equipment.

Referring to fig. 2, the two sides of the climbing ladder 17 are both provided with slide rails 18 capable of vertically moving, the slide rails 18 are provided with mold assemblies, the slide blocks 19 can slide at a certain angle in the direction perpendicular to the mold opening and closing direction, the mold assemblies continuously slide along with the climbing of an operator during work, nylon ropes 22 arranged inside the slide blocks 19 have good wear resistance and are not easy to damage, and provide safety protection for the operator, the nylon ropes 22 penetrate through a waist protecting belt 20 to support the waist of the operator, the stress balance is adjusted to provide certain supporting force, the waist of the operator is protected from being twisted or aching in the working process, slotted holes of a gasket 21 on the waist protecting belt 20 are connected with the slide blocks 19, the two sides inside the gasket 21 are respectively and fixedly connected with elastic belts 23, the elastic belts 23 can be freely contracted according to the sizes of operators with different shapes, the proper positions are selected for wearing, the elastic belts 23 are connected and fixed through female plug-in pieces 24 and male pieces 25, and the elastic belts 23 with adjusted sizes are convenient for the climbing of the operator The waist part.

Referring to fig. 3-4, a hook piece 35 fixed by a screw is provided above the inner side of the hook 12 to prevent the goods from falling off, a pad 36 is provided at the bottom end of the inner side of the hook 12 to have sufficient compressive strength to prevent sliding during lifting, and improve safety, steel plates 26 are provided on both sides above the hook 12 to support the fixing media between the components, pulley members 28 connected by fixing rods 27 are provided between both sides above the steel plates 26, a first screw 29 is fixedly connected to the pulley member 28 by a first fixing plug-in unit 30 to horizontally fix the pulley member 28 for stabilizing, a second screw 31 provided between both sides below the steel plates 26 passes through a second fixing plug-in unit 32 to install the hook 12, and a third screw 33 is fixedly connected to the second fixing plug-in unit 32 by a third fixing plug-in unit 34 to horizontally fix the second fixing plug-in unit 32 for stabilizing.

The working principle is as follows: an operator performs designated operation on a crane constructed by facilities of fixed foundations including a foundation bearing platform 13, a foundation section 15 and a tower body 14 in the using process, the operator can reach a cab 1 by using a lifter 16, the problem of view shielding can be solved on the cab 1, a sight blind angle is avoided, the operation of the crane is convenient and safer, a tower cap 2 on the cab 1 can reduce collision damage caused by disassembly and assembly and safely protect a boom pull rod 3 and a balance arm pull rod 4, a counterweight block 8 on a balance arm 7 can be randomly increased and adjusted according to different weights of lifted cargos, the balance of the whole crane is guaranteed, the operator can drive an arm support to change amplitude by using a variable amplitude steel wire rope 10 on the boom 9 to control a variable amplitude trolley 11 to move back and forth along a track on the boom, and meanwhile, the cargos are lifted by using a lifting hook 12 on the variable amplitude trolley 11, the lifting hook 12 is provided with the hook piece 35 and the liner 36 to prevent the lifted goods from sliding and falling off in the lifting process to cause accidents, the safety is improved, an operator can use the climbing ladder 17 to work when the crane is maintained and checked, the waist protecting belt 20 for providing protection for people of different body types is installed on the climbing ladder 17, the size position which accords with the body type can be fixed through the female plug-in part 24 and the male plug-in part 25 on the elastic belt 23 during use, the phenomenon that the waist of the operator is injured due to uneven stress caused by inconsistent sizes is avoided, the waist protecting belt 20 is further provided with the nylon rope 22 which penetrates through the sliding block 19, the wear resistance is good, and the safety protection effect is not easily damaged.

In summary, the following steps: the crane with the safety protection function has the advantages that an operator can use the lifter 16 to reach the cab 1, a sight blind angle can be avoided on the cab 1, the crane can be operated more safely, the collision damage caused by disassembly and assembly can be reduced by the tower cap 2 on the cab 1, the counterweight block 8 on the balance arm 7 can be increased and adjusted at will according to different weights of lifted goods, the whole balance of the crane is guaranteed, the operator can use the lifting hook 12 on the amplitude variation trolley 11 to lift the goods, the lifting hook 12 is provided with the hook piece 35 and the liner 36 to prevent the lifted goods from sliding and falling off in the lifting process to cause accidents, the safety is improved, the climbing ladder 17 can be used during maintenance and inspection, the waist protection belt 20 for protecting people of different body types is installed on the climbing ladder 17, and the size position conforming to the body type can be fixed through the female plug-in 24 and the male plug-in 25 on the elastic belt 23, the waist is prevented from being injured due to uneven stress caused by different sizes, the waist protecting belt 20 is further provided with the nylon rope 22, the waist protecting belt has good wear resistance and is not easy to damage, and a safety protection effect is provided for operators.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A crane with safety protection function comprises a cab (1), a tower cap (2) is arranged above the cab (1), a boom pull rod (3), a balance arm pull rod (4) and a steel wire rope (5) are respectively arranged on the tower cap (2), the balance arm pull rod (4) and the steel wire rope (5) which are positioned on the left side of the tower cap (2) are fixedly connected onto a balance arm (7) through a clamping plate (6), a balancing weight (8) is arranged at the tail end of the balance arm (7), the boom pull rod (3) and the steel wire rope (5) which are positioned on the right side of the tower cap (2) are fixedly connected onto a boom (9) through the clamping plate (6), an amplitude-variable steel wire rope (10) and an amplitude-variable trolley (11) are respectively arranged on the boom (9), a lifting hook (12) is arranged below the amplitude-variable trolley (11), and the amplitude-variable trolley (11) is connected with the amplitude-variable steel wire rope (10); a basic bearing platform (13) is installed at the bottom end below the cab (1), a tower body (14) is welded on the basic bearing platform (13), a basic section (15) and a lifter (16) are respectively welded outside the tower body (14), and a climbing ladder (17) is installed inside the basic section (15); the climbing ladder is characterized in that slide rails (18) are mounted on two sides of the climbing ladder (17), a slide block (19) is mounted on each slide rail (18), a nylon rope (22) is mounted inside each slide block (19), each nylon rope (22) penetrates through a slotted hole of a gasket (21) on the waist protecting belt (20) to be connected with the corresponding slide block (19), elastic belts (23) are fixedly connected to two sides inside each gasket (21), and the elastic belts (23) are connected with male plug-in buckle parts (25) through female plug-in buckle parts (24); hook piece (35) fixed through the screw are arranged above the inner side of lifting hook (12), and pad (36) is installed at the bottom end of the inner side of lifting hook (12).

2. A safety-guard crane as claimed in claim 1, wherein steel plates (26) are mounted on both sides above the hook (12).

3. A safety crane as claimed in claim 2, wherein the pulley member (28) is connected to the fixing rod (27) between the upper two sides of the steel plate (26), and the first screw (29) is fixedly connected to the pulley member (28) via a first fixing insert (30).

4. A crane with safety protection function as claimed in claim 2, wherein a second screw (31) is arranged between two sides below the steel plate (26) and passes through the second fixing plug-in unit (32) to install the hook (12), and a third screw (33) is fixedly connected to the second fixing plug-in unit (32) through the third fixing plug-in unit (34).

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