CN209276023U - A kind of protection device about rope jumping - Google Patents

Abstract

The utility model discloses a kind of protection device about rope jumping, including lifting equipment；At least one pulley being connect with lifting equipment；Around as the wirerope in pulley；It further include the limit assembly being set on the outside of pulley；Limit assembly increases the height of pulley outer wall in the opposite direction of wirerope stress, prevents wirerope from deviating from work；The limit assembly includes the first limiting section that at least one is set on the outside of pulley；The L-shaped setting of first limiting section, connect with lifting equipment on one side, and another side is close to pulley outer wall；First limiting section is higher than the outer wall of pulley close to the height on one side of pulley.The utility model provides a kind of protection device about rope jumping, in effectivelying prevent crane routine use while wirerope obscission, avoid the wear problem when escape in the use of wirerope, and multistage protection measure is set, when generation wirerope falls off, parking in time, avoids the generation of more major break down.

Description

A kind of protection device about rope jumping

Technical field

The utility model belongs to safety device field, specifically, being related to a kind of protection device about rope jumping.

Background technique

The demand of crane market increases in recent years, to the stringent using safe also relative requirement of crane, to original Technological improvement it is particularly important, industrial and mining enterprises' driving using more, traffic safety is the most important thing, and current crane is semiclosed There is security risks for formula suspension hook, especially hit top limit (upper limit) be even more important, once failure, in fact it could happen that considerable safety and Equipment breakdown tangles gib head during decline in addition in operation because of reasons such as hoisting height or operation errors Or landing, cause wirerope loose and is disengaged from the groove.Currently, the gib head pulley of driving is made of pulley blocks and shell, because of lifting height Height, accidentally will result in gib head landing, wirerope is loose, and wirerope is caused to deviate from from pulley, cause wirerope disorderly or Damage；Existing lifting position-limit is Weight type limit, encounters weight when gib head rising and holds up weight, makes operation power power loss, Rise stopping, but because gib head shell is circle, it is easy to slide weight, limit is caused to be failed, cause to hit useful event.

Application No. is the Chinese patents of CN201520770479.7 to disclose a kind of anti-lifting position-limit failure and gib head of driving a vehicle Steel cable slot disengaging device, which is characterized in that one piece of limit anti-falling steel plate is fixedly mounted in gib head upper shell, limits anti-falling steel plate Both ends are provided with wirerope card slot, and the wirerope being wound on gib head pulley groove is respectively fitted over the wirerope card slot of limit anti-falling steel plate In, cavity is provided on sealing groove plate, sealing groove plate is covered by cavity thereon at the both ends of limit anti-falling steel plate strip cord card slot.

Application No. is the Chinese patents of CN201720727829.0 to disclose a kind of door machine trunk beam head pulley wire rope Groove separation preventing device, in which: including groove separation preventing device bracket, the fixing end of groove separation preventing device bracket is mounted on door machine trunk beam head On the pulley spindle of pulley, and groove separation preventing device bracket can be rotated by axis of pulley spindle, and the movable end of groove separation preventing device bracket extends to Door machine trunk beam head pulley front, and the movable end is fixed with the sleeve being vertically arranged, the internal diameter of sleeve and wirerope it is straight Diameter is adapted, steel wire penetrating sleeve and pile warp door machine trunk beam head pulley.

Although the above-mentioned prior art proposes the technical solution about preventing wire rope from falling, above two technical solution is deposited Structure is complicated, the anticreep of wirerope is prevented using pure mechanic structure scheme, or generating friction with wirerope contact surface, increased Add wirerope to damage, needs to change wirerope after leading to long-time use.

Therefore, it is necessary to improve to shortcomings and deficiencies of the prior art, a kind of protection device about rope jumping is provided, is being had While effect prevents wirerope obscission in crane routine use, the abrasion when escape in the use of wirerope is avoided Problem, and multistage protection measure is set, when generation wirerope falls off, stops in time, avoid the generation of more major break down.

In view of this special to propose the utility model.

Utility model content

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide one kind can overcome it is above-mentioned Problem or the protection device about rope jumping at least being partially solved the above problem.

In order to solve the above technical problems, the basic idea of the utility model adopting the technical scheme is: a kind of preventing wire rope from falling Device, including

Lifting equipment；

At least one pulley being connect with lifting equipment；

Around as the wirerope in pulley；

Further include

The limit assembly being set on the outside of pulley；

Limit assembly increases the height of pulley outer wall in the opposite direction of wirerope stress, prevents wirerope from taking off at work Out.

Wherein, the limit assembly includes

At least one is set to the first limiting section on the outside of pulley；

The L-shaped setting of first limiting section, connect with lifting equipment on one side, and another side is close to pulley outer wall；

First limiting section is higher than the outer wall of pulley close to the height on one side of pulley.

Further, described

First limiting section is connected as being detachably connected with lifting equipment；

In one embodiment, the first limiting section and lifting equipment are being detachably connected of being bolted；

In one embodiment, the side that the first limiting section is connect with lifting equipment is provided at least one and cooperates with bolt First through hole.

Further, described

First limiting section is two outsides for being symmetrically disposed on pulley；

In one embodiment, it is connected between two the first limiting sections by interconnecting piece；

It in one embodiment, is to be fixedly connected between interconnecting piece and the first limiting section；

It in one embodiment, is welding between interconnecting piece and the first limiting section.

Also further, the limit assembly further includes

The first limiting section is set to close to one side of pulley outer wall, second limiting section parallel with pulley axial direction；

Distance of second limiting section away from the pulley center of circle is greater than the radius of pulley.

In addition, described

Second limit includes the connecting rod connecting with the first limiting section and the casing for being placed on connecting rod；

Under external force, casing is around link rotatable；

In one embodiment, connecting rod is to be detachably connected with the first limiting section；

In one embodiment, connecting rod two end is provided with screw thread, and it is logical that second is provided at the first limiting section and connecting rod cooperation Hole, connecting rod are connected in the other side by nut after passing through through-hole.

Further, described

Casing is made of wear-resistant material；

In one embodiment, the material of casing is nylon.

Further, described

Second limiting section includes rotatable connecting rod and the bearing with connecting rod cooperation；

Bearing is set to the second through hole of the first limiting section and the cooperation of the second limiting section.

Also, it is described

Limit assembly further includes that the third limit of signal is sent to lifting equipment control terminal after colliding with wirerope Portion；

In one embodiment, the signal that third limiting section is sent to lifting equipment control terminal is stop signal.

Further, the third limiting section at least one be set to interconnecting piece.

After adopting the above technical scheme, the utility model has the advantages that compared with prior art

1, the utility model lifting equipment fixed pulley two sides be arranged anti-drop device, fixed pulley two sides wirerope by The opposite direction of power increases height, prevents in lifting equipment in use, wirerope escape bring security risk；

2, by the cooperation of a variety of limit assemblies, the multi-stage protection to preventing wire rope from falling is realized, so that lifting equipment makes Safety in is further guaranteed.

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.

Detailed description of the invention

The a part of attached drawing as the utility model, is further understood from the utility model for providing, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. Obviously, the accompanying drawings in the following description is only some embodiments, to those skilled in the art, is not paying creation Property labour under the premise of, can also be obtained according to these attached drawings other accompanying drawings.

In the accompanying drawings:

Fig. 1 is the first schematic diagram of the utility model protection device about rope jumping；

Fig. 2 is the second schematic diagram of the utility model protection device about rope jumping.

In figure: 1, lifting equipment；2, pulley；3, wirerope；4, limit assembly；5, the first limiting section；6, first through hole；7, Second limiting section；8, connecting rod；9, casing；10, the second through-hole；11, third limiting section；12, interconnecting piece

It should be noted that these attached drawings and verbal description are not intended to limit the design of the utility model in any way Range, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this Utility model, but be not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary. For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain Justice.

In industrial and mineral and processing enterprise, crane is all indispensable auxiliary tool, it is mobile especially in workshop and When hoisting large-size equipment, moveable bridge crane is even more to play the role of critical, fortune above and below suspension hook progress in work Row moves back and forth, and then realizes the self-locking opening and closing of suspender, but in use, due to frequently being made in pumping Tight, relaxation cases are formed at roller wirerope 3, easily cause wirerope 3 de- in 2 position of movable pulley when motion amplitude is larger Slot, and overhead traveling crane top fixed pulley 2 apart from ground farther out, failure is not easy to be found in time, cannot such as find failure in time, It will cause rubbing after 3 escape of wirerope with fixed pulley 2, causing wirerope 3 and shaft, abrasion causes to be broken for a long time, produces The security risk of generating apparatus, the utility model is based on this expansion, specific as follows.

First simple schematic diagram of Fig. 1 main presentation 3 anti-drop device of wirerope described in the utility model, wherein lifting equipment 1 since structure is excessively huge, is only made that easy example, furthermore the second through-hole 10 due to connecting rod 8 be fitted close, Therefore, only the position of the second through-hole 10 is marked, third limiting section 11 also only lists installation site, in this reality In novel, third limiting section 11 can be realized by the conventional mechanical limit switch of setting or photoelectric limit switch, therefore, Do not do excessive introduction about the construction, in addition, Fig. 1 main presentation be casing 9 and connecting rod 8 cooperation, connecting rod 8 pass through external spiral shell Mother's fixed setting.

Second simple schematic diagram of Fig. 2 main presentation 3 anti-drop device of wirerope described in the utility model, the master of Fig. 2 and Fig. 1 It distinguishes and is the second limiting section 7, the second limiting section 7 of Fig. 2 is that connecting rod 8 is cooperated by bearing and the second through-hole 10, and connecting rod 8 can Rotation, and the second through-hole 10 is not listed due to being fitted close with bearing, position is identical as the position of Fig. 1.

As shown in Figure 1 to Figure 2,3 anti-drop device of a kind of wirerope described in the utility model, including lifting equipment 1, at least one A pulley 2 being connect with lifting equipment 1；Around as the wirerope 3 in pulley 2；It further include the limit group for being set to 2 outside of pulley Part 4；Limit assembly 4 increases the height of 2 outer wall of pulley in the opposite direction of 3 stress of wirerope, prevents wirerope 3 from taking off at work Out, specifically, lifting equipment 1 described in the utility model is bridge crane used in workshop, is mainly used for lifting Large scale equipment or workpiece, in use, normal pumping and wirerope 3 caused to be jumped from fixed pulley 2 due to wirerope 3 It is de-, it such as handles not in time, will lead to the generation of safety accident.

Further, limit assembly 4 described in the utility model includes at least one first limit for being set to 2 outside of pulley Position portion 5；The L-shaped setting of first limiting section 5, connect with lifting equipment 1 on one side, and another side is close to 2 outer wall of pulley；First limiting section 5 are higher than the outer wall of pulley 2 close to the height on one side of pulley 2.

Further, first limiting section 5 is connected as being detachably connected with lifting equipment 1.

In one embodiment, outside including 3 anti-drop device of wirerope described above, described first limiting section 5 with rise Heavy equipment 1 is being detachably connected of being bolted, and when upkeep operation or when not needing limit assembly 4, can pass through disassembly First limiting section 5 realizes that further, the side that the first limiting section 5 is connect with lifting equipment 1 is provided at least one and spiral shell The first through hole 6 of bolt cooperation.

In one embodiment, outside including 3 anti-drop device of wirerope described above, first limiting section 5 is two A outside for being symmetrically disposed on pulley 2, on the axis direction of fixed pulley 2, two the first limiting sections 5 are symmetrical arranged, and two the It is connected between one limiting section 5 by interconnecting piece 12, further, is fixedly connected between interconnecting piece 12 and the first limiting section 5, example Such as welding.

In one embodiment, outside including 3 anti-drop device of wirerope described above, the limit assembly 4 further includes The first limiting section 5 is set to close to one side of 2 outer wall of pulley, second limiting section 7 parallel with 2 axial direction of pulley, the second limit Distance of the position portion 7 away from 2 center of circle of pulley is greater than the radius of pulley 2, and second limit includes the connecting rod connecting with the first limiting section 5 8 and it is placed on the casing 9 of connecting rod 8, under external force, casing 9 is rotated around connecting rod 8, when wirerope 3 is jumped from fixed pulley 2 When de-, sliding friction is generated with the second limiting section 7, and the second limiting section 7 can also limit the escape of wirerope 3.

In one embodiment, outside including 3 anti-drop device of wirerope described above, the connecting rod 8 and the first limit Portion 5 is to be detachably connected, and further, 8 both ends of connecting rod are provided with screw thread, and the is provided at the first limiting section 5 and 8 cooperation of connecting rod Two through-holes 10, connecting rod 8 are connected in the other side by nut after passing through through-hole, and connecting rod 8 is a shaft, and front end is provided with screw hole, wears It after crossing through-hole, in the another side of the first limiting section 5, is connect by bolt with the screw hole of 8 front end of connecting rod, realizes the fixation of connecting rod 8.

In one embodiment, outside including 3 anti-drop device of wirerope described above, the casing 9 is wear-resistant material It is made, such as nylon etc., in the escape from fixed pulley 2 of wirerope 3, is contacted with the generation of the second limiting section 7, wear-resistant material and rolling Dynamic friction matches, and extends the service life of the second limiting section 7.

In one embodiment, outside including 3 anti-drop device of wirerope described above, second limiting section 7 is also wrapped Include another structure, the rotatable shaft of the second limiting section 7 and the bearing with shaft cooperation, bearing are set to the It is different from the second limiting section 7 in last scheme at one limiting section 5 and the second through-hole 10 of the second limiting section 7 cooperation, shaft The settable screw hole in front end is not provided with screw hole, and in the present embodiment, shaft can generate rotation under the action of bearing, Avoid the setting of casing 9.

In one embodiment, outside including 3 anti-drop device of wirerope described above, the limit assembly 4 further includes After colliding with wirerope 3, the third limiting section 11 of signal is sent to 1 control terminal of lifting equipment；Third limiting section 11 to rise The signal that 1 control terminal of heavy equipment is sent is stop signal, and after 3 escape of wirerope, the first limiting section 5 and the second limiting section 7 are When failing to generate effective effect to wirerope 3, wirerope 3 and third limiting section 11 are collided, and third limiting section 11 passes through transmission Stop signal avoids the generation of safety accident so that crane is out of service, the third limiting section 11 at least one be set to Interconnecting piece 12, interconnecting piece 12 connect two the first limiting sections 5, and close to 3 one end of wirerope, third limiting section 11 can pass through Bolt or other dismountable modes and interconnecting piece 12, which are realized, to be fixed, the third limiting section 11 be mechanical limit switch or Person's photoelectric limit switch or Hall limit switch, but not limited to this, other are able to achieve the limiting component of the function in this reality Apply example protection in the range of.

In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the utility model Embodiment can be practiced without these specific details.In some instances, be not been shown in detail well known method, Structure and technology, so as not to obscure the understanding of this specification.

Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more in each utility model aspect A, in the description above to the exemplary embodiment of the utility model, each feature of the utility model is divided together sometimes Group is into single embodiment, figure or descriptions thereof.However, the method for the disclosure should not be construed to reflect following meaning Figure: the requires of the utility model features more more than feature expressly recited in each claim i.e. claimed. More precisely, as reflected in the following claims, it is in terms of utility model single less than disclosed above All features of embodiment.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment party Formula, wherein separate embodiments of each claim as the utility model itself.

Other than such feature and/or at least some of process or unit exclude each other, it can use and appoint What combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed All process or units of any method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint The claims, abstract and drawings) disclosed in each feature can with an alternative feature that provides the same, equivalent, or similar purpose come Instead of.

In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this Within the scope of type and form different embodiments.For example, in the following claims, embodiment claimed It is one of any can in any combination mode come using.

The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model, And those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.In right In it is required that, any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" is not arranged Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more A such element.In the unit claims listing several devices, several in these devices can be by same One hardware branch embodies.The use of word first, second, and third does not indicate any sequence.It can be by these lists Word is construed to title.

The above is only the preferred embodiment of the utility model, not makees in any form to the utility model Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with The technical staff of this patent is not departing within the scope of technical solutions of the utility model, when the technology contents work using above-mentioned prompt A little equivalent embodiment changed or be modified to equivalent variations out, but all contents without departing from technical solutions of the utility model, Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still belong to In the range of the utility model.

Claims (10)

1. a kind of protection device about rope jumping, including

Lifting equipment (1)；

At least one pulley (2) being connect with lifting equipment (1)；

Around as the wirerope (3) in pulley (2)；

It is characterized by also including

The limit assembly (4) being set on the outside of pulley (2)；

Limit assembly (4) increases the height of pulley (2) outer wall in the opposite direction of wirerope (3) stress, prevents wirerope (3) from existing Deviate from work.

2. a kind of protection device about rope jumping according to claim 1, it is characterised in that: the limit assembly (4) includes

At least one is set to the first limiting section (5) on the outside of pulley (2)；

First limiting section (5) L-shaped setting, connect with lifting equipment (1) on one side, and another side is close to pulley (2) outer wall；

First limiting section (5) is higher than the outer wall of pulley (2) close to the height on the one side of pulley (2).

3. a kind of protection device about rope jumping according to claim 2, it is characterised in that: described

First limiting section (5) is connected as being detachably connected with lifting equipment (1)；

First limiting section (5) and lifting equipment (1) are being detachably connected of being bolted；

The side that first limiting section (5) is connect with lifting equipment (1) is provided with the first through hole of at least one and bolt cooperation (6)。

4. a kind of protection device about rope jumping according to claim 2, it is characterised in that: described

First limiting section (5) is two outsides for being symmetrically disposed on pulley (2)；

It is connected between two the first limiting sections (5) by interconnecting piece (12)；

It is to be fixedly connected between interconnecting piece (12) and the first limiting section (5)；

It is welding between interconnecting piece (12) and the first limiting section (5).

5. a kind of protection device about rope jumping according to claim 2, it is characterised in that: the limit assembly (4) further includes

It is set to the one side of the first limiting section (5) close to pulley (2) outer wall, second limit parallel with pulley (2) axial direction Portion (7)；

Distance of second limiting section (7) away from pulley (2) center of circle is greater than the radius of pulley (2).

6. a kind of protection device about rope jumping according to claim 5, it is characterised in that: described

Second limit includes the connecting rod (8) connecting with the first limiting section (5) and the casing (9) for being placed on connecting rod (8)；

Under external force, casing (9) is rotated around connecting rod (8)；

Connecting rod (8) is to be detachably connected with the first limiting section (5)；

Connecting rod (8) both ends are provided with screw thread, are provided with the second through-hole (10), connecting rod at the first limiting section (5) and connecting rod (8) cooperation (8) it is connected in the other side by nut after passing through through-hole.

7. a kind of protection device about rope jumping according to claim 6, it is characterised in that: described

Casing (9) is made of wear-resistant material；

The material of casing (9) is nylon.

8. a kind of protection device about rope jumping according to claim 5, it is characterised in that: described

Second limiting section (7) includes rotatable connecting rod (8) and the bearing with connecting rod (8) cooperation；

Bearing is set at the second through-hole (10) of the first limiting section (5) and the second limiting section (7) cooperation.

9. -8 any a kind of protection device about rope jumping according to claim 1, it is characterised in that: described

Limit assembly (4) further includes that after colliding with wirerope (3), the third of signal is sent to lifting equipment (1) control terminal Limiting section (11)；

The signal that third limiting section (11) is sent to lifting equipment (1) control terminal is stop signal.

10. a kind of protection device about rope jumping according to claim 9, it is characterised in that: the third limiting section (11) is extremely Few one is set to interconnecting piece (12).