CN208120591U - A kind of construction site crane - Google Patents

Abstract

The utility model discloses a kind of construction site cranes,Its structure includes the first suspending head,Second suspending head,Deflecting wheel,Lifting rope,Lift head,Warning device,Cross bar,Support column,Hydraulic stem,First headstock,Wheel,Protective plate,Car body,Second headstock,First suspending head is parallel to the second suspending head,Deflecting wheel is installed on the right side of lifting rope,Lift head is installed on the right side of deflecting wheel,Lifting rope stress is moved to the left,Tension block is pulled on to be moved to the left,Under the action of the second convex block and the first convex block,Dynamometry block will push piston to be moved to the left,Hydraulic oil in hydraulic cavities is squeezed,Under the action of the first spring and second spring,The mobile of dynamometry block will become extremely difficult,If under the promotion of piston,Right probe is in contact with left probe,Lifting gravity is then represented beyond the specified bearing capacity of crane,Dynamometer will warn to staff,Load-bearing object is detected by warning device,Reduce security risk.

Description

A kind of construction site crane

Technical field

The utility model is a kind of construction site crane, belongs to crane technical field.

Background technique

So-called crane, crane refer to more movement cranes of vertical-lift in a certain range and horizontal carrying heavy goods Tool, also known as overhead traveling crane, hanging, crane, wheel-mounted crane are mainly characterized by：It travels driver's cabin with lifting control cabinl pulpit conjunction two One, developed by crawler crane, the gantry of bridge crane along be laid on two sides it is overhead on track it is longitudinally running, can To make full use of the space handling material below gantry, not by the obstruction of ground installation, it is that use scope is most wide, quantity is most A kind of hoisting machinery.

Prior art discloses application No. is：201720904260.0 a kind of construction site crane, structure includes Crane, the bottom end of the crane is equipped with turntable, and the turntable is flexibly connected with crane, the turntable Side is equipped with fastening adjustment device, and the bottom end of the turntable is equipped with firm banking, and the side of the crane is equipped with more A equally distributed fixed steel loop is equipped with intelligent terminal at the top of the crane, and the side of the intelligent terminal is equipped with Rise suspending head, but the prior art for the object of crane loading can only be determined with by the experience of staff without departing from The carrying capacity of crane itself be easy to cause and extracts weight beyond lifting amount, to cause security risk.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of construction site crane, to solve The existing delivery that can only be determined with by the experience of staff for the object of crane loading without departing from crane itself Amount be easy to cause and extracts weight beyond lifting amount, thus the problem of causing security risk.

To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of construction site Heavy-duty machine, structure includes the first suspending head, the second suspending head, deflecting wheel, lifting rope, lift head, warning device, cross bar, support column, hydraulic Bar, the first headstock, wheel, protective plate, car body, the second headstock, first suspending head are parallel to the second suspending head, the deflecting wheel peace Loaded on the right side of lifting rope, the lift head is installed on the right side of deflecting wheel, and the warning device lower end is mutually welded with cross bar upper end, described For support column perpendicular to car body, the hydraulic stem is installed on car body upper end, and the wheel is installed on car body lower end, the protective plate with Car body mutually welds, and second headstock is installed on wheel upper end, and first headstock is installed on the right side of cross bar, the warning device Including shell, piston, tension block, the second convex block, the first convex block, the first spring, dynamometry block, dynamometer, right probe, the second bullet Spring, left probe, hydraulic cavities, the shell are installed on the left of hydraulic cavities, and hydraulic cavities, institute are equipped between the piston and second spring It states tension block to be integrated with the first convex block, second convex block is integrated with dynamometry block, first spring It is installed on the right side of dynamometry block, the dynamometer is installed on the left of right probe, and the left probe is installed on second spring upper end.

Further, the cross bar is installed on hydraulic stem upper end.

Further, the cross bar is perpendicular to support column.

Further, the lifting rope is installed on the left of shell.

Further, car body is equipped between first headstock and the second headstock.

Further, the second spring uses titanium alloy material, and firm elastic potential energy is big.

Further, the cross bar uses iron and steel material quality, firm to be unlikely to deform.

Beneficial effect

A kind of construction site crane of the utility model, lifting rope stress are moved to the left, pull on tension block and be moved to the left, Under the action of second convex block and the first convex block, dynamometry block will push piston to be moved to the left, and the hydraulic oil in hydraulic cavities is squeezed, Under the action of first spring and second spring, the mobile of dynamometry block will become extremely difficult, if under the promotion of piston, right probe It being in contact with left probe, then represents lifting gravity beyond the specified bearing capacity of crane, dynamometer will warn to staff, Load-bearing object is detected by warning device, reduces security risk.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural schematic diagram of construction site crane of the utility model；

Fig. 2 is a kind of structural schematic diagram of construction site crane warning device of the utility model.

In figure：First suspending head -1, the second suspending head -2, deflecting wheel -3, lifting rope -4, lift head -5, warning device -6, cross bar - 7, support column -8, hydraulic stem -9, the first headstock -10, wheel -11, protective plate -12, car body -13, the second headstock -14, shell - 601, piston -602, tension block -603, the second convex block -604, the first convex block -605, the first spring -606, dynamometry block -607, survey Power device -608, right probe -609, second spring -610, left probe -611, hydraulic cavities -612.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1, Fig. 2 are please referred to, the utility model provides a kind of construction site crane technical solution：Its structure includes first Suspending head 1, the second suspending head 2, deflecting wheel 3, lifting rope 4, lift head 5, warning device 6, cross bar 7, support column 8, hydraulic stem 9, the first vehicle First 10, wheel 11, protective plate 12, car body 13, the second headstock 14, first suspending head 1 are parallel to the second suspending head 2, the deflecting Wheel 3 is installed on 4 right side of lifting rope, and the lift head 5 is installed on 3 right side of deflecting wheel, 6 lower end of warning device and 7 upper end of cross bar It mutually welds, for the support column 8 perpendicular to car body 13, the hydraulic stem 9 is installed on 13 upper end of car body, and the wheel 11 is installed on vehicle 13 lower end of body, the protective plate 12 are welded with 13 phase of car body, and second headstock 14 is installed on 11 upper end of wheel, first vehicle First 10 are installed on the right side of cross bar 7, and the warning device 6 includes shell 601, piston 602, tension block 603, the second convex block 604, the One convex block 605, the first spring 606, dynamometry block 607, dynamometer 608, right probe 609, second spring 610, left probe 611, liquid Chamber 612 is pressed, the shell 601 is installed on 612 left side of hydraulic cavities, hydraulic cavities are equipped between the piston 602 and second spring 610 612, the tension block 603 is integrated with the first convex block 605, and second convex block 604 is integrated with dynamometry block 607 Structure, first spring 606 are installed on 607 right side of dynamometry block, and the dynamometer 608 is installed on right 609 left side of probe, described Left probe 611 is installed on 610 upper end of second spring, and the cross bar 7 is installed on 9 upper end of hydraulic stem, and the cross bar 7 is perpendicular to support Column 8, the lifting rope 4 is installed on 601 left side of shell, car body 13 is equipped between first headstock 10 and the second headstock 14, described Second spring 610 uses titanium alloy material, and firm elastic potential energy is big, and the cross bar 7 uses iron and steel material quality, firm to be unlikely to deform.

First spring 606 described in this patent is a kind of using the elastic machine components come work, is made of elastic material Part deformation occurs under external force, remove external force after again restore to the original state, 9 hydraulic cylinder of hydraulic stem be by hydraulic energy turn Become mechanical energy, do the hydraulic actuator of straight reciprocating motion (or pendulum motion), its structure is simple, reliable operation, uses It when realizing reciprocating motion, can remove deceleration device from, and not have drive gap, and movement is steady, therefore various mechanical It is used widely in hydraulic system.

Carry out using when crane loading, 4 stress of lifting rope is moved to the left, pull on tension block 603 and be moved to the left, Under the action of the second convex block 604 and the first convex block 605, dynamometry block 607 will push piston 602 to be moved to the left, by hydraulic cavities 612 In hydraulic oil squeeze, under the action of the first spring 606 is with second spring 610, the mobile of dynamometry block 607 will become to be stranded very much Difficulty then represents lifting gravity beyond crane volume if right probe 609 is in contact with left probe 611 under the promotion of piston 602 Determine bearing capacity, dynamometer 608 will warn to staff.

The utility model solves that the object of crane loading can only be determined with by the experience of staff and does not have Carrying capacity beyond crane itself be easy to cause extraction weight to exceed lifting amount, thus the problem of causing security risk, this Utility model is combined with each other by above-mentioned component, and lifting rope stress is moved to the left, and is pulled on tension block and is moved to the left, convex second Under the action of block and the first convex block, dynamometry block will push piston to be moved to the left, and the hydraulic oil in hydraulic cavities be squeezed, in the first bullet Under the action of spring and second spring, the mobile of dynamometry block will become extremely difficult, if under the promotion of piston, right probe and left spy Head is in contact, then represents lifting gravity beyond the specified bearing capacity of crane, and dynamometer will warn to staff, pass through report Alarm device detects load-bearing object, reduces security risk.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of construction site crane, it is characterised in that：Its structure includes the first suspending head (1), the second suspending head (2), deflecting wheel (3), lifting rope (4), lift head (5), warning device (6), cross bar (7), support column (8), hydraulic stem (9), the first headstock (10), vehicle (11), protective plate (12), car body (13), the second headstock (14) are taken turns, first suspending head (1) is parallel to the second suspending head (2), described Deflecting wheel (3) is installed on the right side of lifting rope (4), and the lift head (5) is installed on the right side of deflecting wheel (3), under the warning device (6) End is mutually welded with cross bar (7) upper end, and the support column (8) is installed on car body (13) perpendicular to car body (13), the hydraulic stem (9) Upper end, the wheel (11) are installed on car body (13) lower end, and the protective plate (12) is mutually welded with car body (13), second vehicle Head (14) is installed on wheel (11) upper end, and first headstock (10) is installed on the right side of cross bar (7), warning device (6) packet Include shell (601), piston (602), tension block (603), the second convex block (604), the first convex block (605), the first spring (606), Dynamometry block (607), dynamometer (608), right probe (609), second spring (610), left probe (611), hydraulic cavities (612), institute It states shell (601) to be installed on the left of hydraulic cavities (612), hydraulic cavities is equipped between the piston (602) and second spring (610) (612), the tension block (603) is integrated with the first convex block (605), second convex block (604) and dynamometry block (607) it is integrated, first spring (606) is installed on the right side of dynamometry block (607), dynamometer (608) installation On the left of right probe (609), the left probe (611) is installed on second spring (610) upper end.

2. a kind of construction site crane according to claim 1, it is characterised in that：The cross bar (7) is installed on hydraulic Bar (9) upper end.

3. a kind of construction site crane according to claim 1, it is characterised in that：The cross bar (7) is perpendicular to support Column (8).

4. a kind of construction site crane according to claim 1, it is characterised in that：The lifting rope (4) is installed on shell (601) left side.

5. a kind of construction site crane according to claim 1, it is characterised in that：First headstock (10) and second Car body (13) are equipped between headstock (14).