CN202785380U

CN202785380U - Small crane

Info

Publication number: CN202785380U
Application number: CN 201220281921
Authority: CN
Inventors: 宋鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-15
Filing date: 2012-06-15
Publication date: 2013-03-13
Anticipated expiration: 2022-06-15

Abstract

The utility model discloses a small crane. The small crane comprises a hoisting mechanism, a hoisting rotating arm mechanism, a pedestal, a wire drawing device and a bracket, wherein the hoisting mechanism is mounted on the pedestal, the bracket consists of a screw rod, a lower support rod and an ejector rod, a power driving device and a switch device are arranged on the pedestal, the screw rod is controlled by a lifting jack on the pedestal to be lifted and fallen, the wire drawing device comprises a clamping device and a rope guiding wheel support seat which are integrated, the clamping device can be sleeved onto the screw rod in upward and downward sliding manners, and a rope guiding wheel in the rope guiding wheel support seat can rotatably guide a steel wire rope along a support shaft of the rope guiding wheel support seat. A bolt penetrates through a clamping piece on a clamping ring to form a clamping structure sleeved onto the outer circumference surface of the screw rod with the clamping device to ensure that the mounting of the clamping device is firm and reliable; and a wireless remote control receiving device is matched with a remote controller to remotely control the small crane to work, so that the remote control can be realized, and the application range of the small crane is extended.

Description

A kind of little loop wheel machine

Technical field

The utility model relates to a kind of little loop wheel machine, belongs to the technical field of Slung-Load element or device.

Background technology

At present, in order to satisfy people's handling smallclothes weight from export-oriented building, building inner room, and at the house interior carrying heavy goods, people have designed multi-form little loop wheel machine, wherein the applicant had also once applied for multinomial little loop wheel machine patent, as the patent No. be 200620119277.7 and the patent No. be 200720103304.6 utility model patent.These little loop wheel machines in use, all be to control little loop wheel machine work by the line traffic control handle, but the personnel such as high-risk place and particular surroundings can not be close the place, because personnel can not be near controlling little loop wheel machine, so that the work such as can't use that little loop wheel machine is carried, the mode of this line traffic control has limited its range of use.And little loop wheel machine of the prior art also exists bus cable device that unreliable, as to use inconvenient operation situation is installed, and can not satisfy people's needs.

The utility model content

The purpose of this utility model is to provide a kind of bus cable device that the little loop wheel machine of failure-free is installed, and solves the shortcoming that prior art exists.

The utility model adopts following technical scheme to realize:

A kind of little loop wheel machine, described little loop wheel machine comprises hoisting mechanism, handling whirling arm mechanism, pedestal, bus cable device and support, described hoisting mechanism is installed on the pedestal, described support is made of successively screw rod, lower fulcrum bar and push rod, be provided with Power Drive Unit and switching device on the described pedestal, screw rod is subjected to the jack control lifting on the pedestal, it is characterized in that, described bus cable device comprises binding clasp and row's rope sheave bearing of one, binding clasp can slide up and down to be socketed on screw rod, and the row's rope sheave in row's rope sheave bearing is along its pivot shaft guide steel wire rope rotationally.

Further, described binding clasp is the annulus with opening, symmetrical intermediate plate and the binding clasp in opening both sides that one bolt passes binding clasp forms the clamping structure that can slide up and down that is socketed in the screw rod outer peripheral face, described row's rope sheave bearing two ends are for being with reeded supporting blade, the middle part of described pivot shaft is coaxially connected with row's rope sheave, two ends by fastening nuts in the groove of supporting blade.

Further, described switching device is wireless remote control receiving device, and the circuit of operating handle is arranged in parallel on described wireless remote control receiving device and the machine, for the little loop wheel machine work of remote control that matches with remote controller.

Further, described Power Drive Unit is combustion engine or electrical motor.

The useful technique effect that the utility model possesses is:

The bus cable device that bolt, binding clasp and row's rope sheave bearing form can either slide up and down to be socketed on the lower fulcrum bar, can utilize again the row's rope sheave guide steel wire rope in the bearing to advance, and guarantees that binding clasp is solid and reliable, and the installation site is adjustable arbitrarily; The wireless remote control receiving device little loop wheel machine work of remote control that matches with remote controller can realize remote control, has enlarged the range of use of little loop wheel machine.

Description of drawings

Fig. 1 is the integral structure scheme drawing of the little loop wheel machine of the utility model.

Fig. 2 is the structural representation of the bus cable device of little loop wheel machine.

Fig. 3 is the lateral plan of bus cable device.

The specific embodiment

By following description to embodiment; to more help public understanding the utility model; but can't the specific embodiment that the applicant is given be considered as the restriction to technical solutions of the utility model, any definition to parts or technical characterictic change and/or to integral structure do form and immaterial conversion all should be considered as the protection domain that the technical solution of the utility model limits.

Little loop wheel machine of the present utility model as shown in Figure 1 to Figure 3, little loop wheel machine comprises hoisting mechanism, whirling arm mechanism, pedestal 1, bus cable device 3 and support 2, hoisting mechanism is installed on the pedestal 1, support is made of screw rod 23, lower fulcrum bar 22 and push rod 21, the top cap 10 on support 2 tops is made of the gusset of seat board, installation sleeve, several one-tenth radial arrangement, is distributed with several through holes on the seat board.Be provided with Power Drive Unit 11 and switching device 12 on the pedestal 1, wherein switching device 12 is wireless remote control receiving device, the circuit of operating handle is arranged in parallel on wireless remote control receiving device and the machine, for the little loop wheel machine work of remote control that matches with remote controller, can realize remote control, enlarged the range of use of little loop wheel machine, Power Drive Unit 11 is preferably combustion engine or electrical motor.Screw rod 23 is subjected to the jack control lifting on the pedestal 1, bus cable device 3 comprises binding clasp 31 and row's rope sheave bearing 35 of one, binding clasp 31 can slide up and down to be socketed on screw rod 23, and the row's rope sheave 37 in row's rope sheave bearing 35 is along its pivot shaft 38 guide steel wire rope rotationally.Binding clasp 31 is for having the annulus of opening, bolt 34 passes the symmetrical intermediate plate 32 in opening both sides of binding clasp 31, form the clamping structure that can slide up and down that is socketed in screw rod 23 outer peripheral faces with binding clasp 31, row's rope sheave bearing 35 two ends are for being with reeded supporting blade 36, the middle part of pivot shaft 38 be coaxially connected with row rope sheave 37, two ends by fastening nuts in the groove of supporting blade 36.So both guaranteed that bus cable device 3 and screw rod 23 fixed securely, guaranteed again that steel rope can be in the guiding lower slider of row's rope sheave 37.

Handling whirling arm mechanism 4 comprises that arm 41, support sleeve 42, arm tow 43, arm 41 is hingedly mounted on the support sleeve 42, the arm of being made by steel rope tow 43 two ends respectively with support sleeve 42 and arm 41 near captiveing joint at the leading portion place, the axis of the axis of arm 41 and support sleeve 42 is in the same plane, handling whirling arm mechanism 4 is sleeved on by support sleeve 42 on the push rod 21 of support 2, and support sleeve 42 lower ends are supported on the bearing that arranges on the push rod 21; Link to each other with suspension hook 9 behind the pulley that the steel rope 5 of hoisting mechanism arranges through rope guides 3 and and arm 41 middle parts and leading portion end of passing support sleeve 42 tops, be provided with the anticollision device 44 with support sleeve 42 cooperatings on the arm 41, simultaneously also be provided with the position limiting structure that is consisted of by trigger point and travel switch between arm 41 and the support sleeve 42, the trigger point by body with its on be provided with the shock absorber of being made by spring and consist of; Hog frame is made of lower fulcrum bar, screw rod, push rod equally, with support 2 differences is, push rod is made of multistage, is threaded connection between adjacent two sections push rods.

During work, at first little loop wheel machine is fixed in the room, its concrete steps are: adjust screw rod 23 the top cap 10 of support 2 is leaned on top ceiling, be screwed into clamped spiked by the through hole on the cap seat board of top to top ceiling, adjustable reinforcing device is installed, and at the push rod section joint of hog frame welding securing rod.Then, by adjusting the luffing angle of arm, it is stretched out outside the window, can carry out hanging in weight outside the building in the room or in the room, carry out the lift heavy operation that weight is carried.After the arm back segment arranges anticollision device 44, when upwards overturning arm, can avoid making the trigger point break travel switch because arm upwards excessively overturns.Because in practical work process, to carry out continually the pitching operation of arm, like this after between arm back segment and the support sleeve position limiting structure that is made of trigger point and travel switch being set, utilize travel switch can cut off the work of hoisting mechanism, thereby arm is limited on minimal security angle or the position greater than the minimal security angle, to guarantee the use safety of little loop wheel machine.After screw rod 23 arranged bus cable device 3, bus cable device 3 can move adjusting in direction up and down according to the tightness of steel rope 5, effectively prevents from causing confusion in the steel rope folding and unfolding process, to guarantee the normal operation of hoisting mechanism.Because the handling whirling arm mechanism in the little loop wheel machine is supported on the support 2 fully, and support self is fixed in the mode of pushing tow up and down, therefore, can level indicator be set at lower fulcrum bar 22, guarantee the squareness of support 2, can guarantee that support is in good strained condition, guarantees the safety of little loop wheel machine.

In another embodiment, the position limiting structure on the handling whirling arm mechanism also can be made lower setting: position limiting structure is made of travel switch 12 and fork 11, and fork 11 is hingedly mounted on the swing rod of arm 41 front ends setting.Swing rod is U-shaped, after the contacting of fork 11 downward upsets and disengaging and travel switch 12, leans on the web of swing rod.The free end of fork 11 be positioned at suspension hook 9 directly over, like this, upwards in the rise process, will touch fork 14 at suspension hook 9, by 12 work of fork 14 trigger switches, and cut off the work of hoisting mechanism, thereby realize the restriction to suspension hook 9 rising end positions.Simultaneously also can adopt brake gear in the little loop wheel machine, it can effectively be controlled turning of little loop wheel machine and stops, the work efficiency when having improved time emptying hook.

Certainly; the utility model can also have other various embodiments; in the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1. little loop wheel machine, described little loop wheel machine comprises hoisting mechanism, handling whirling arm mechanism, pedestal, bus cable device and support, described hoisting mechanism is installed on the pedestal, described support is made of screw rod, lower fulcrum bar and push rod, be provided with Power Drive Unit and switching device on the described pedestal, screw rod is subjected to the jack control lifting on the pedestal, it is characterized in that, described bus cable device comprises binding clasp and row's rope sheave bearing of one, binding clasp can slide up and down to be socketed on the screw rod, and the row's rope sheave in row's rope sheave bearing is along its pivot shaft guide steel wire rope rotationally.

2. little loop wheel machine according to claim 1, it is characterized in that, described binding clasp is the annulus with opening, symmetrical intermediate plate and the binding clasp in opening both sides that one bolt passes binding clasp forms the clamping structure that can slide up and down that is socketed in the screw rod outer peripheral face, described row's rope sheave bearing two ends are for being with reeded supporting blade, the middle part of described pivot shaft is coaxially connected with row's rope sheave, two ends by fastening nuts in the groove of supporting blade.

3. little loop wheel machine according to claim 1 and 2 is characterized in that, described switching device is wireless remote control receiving device, and the circuit of operating handle is arranged in parallel on described wireless remote control receiving device and the machine, for the little loop wheel machine work of remote control that matches with remote controller.

4. a kind of little loop wheel machine according to claim 1 and 2 is characterized in that, described Power Drive Unit is combustion engine or electrical motor.