CN211945955U

CN211945955U - Electric gear type ground anchor for crane

Info

Publication number: CN211945955U
Application number: CN202022296122.3U
Authority: CN
Inventors: 董日磊
Original assignee: Henan Qihua Crane Technology R&d Co ltd
Current assignee: Henan Qihua Crane Technology R&d Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2020-11-17
Anticipated expiration: 2030-10-15

Abstract

An electric gear type ground anchor for a crane comprises a clamping base and a box body, wherein the box body is fixed on a lower end beam of the crane, a cover body is fixed on the box body, a fixing plate is fixed in the box body, a speed reducing motor is fixed on the left side of the fixing plate, a power output shaft of the speed reducing motor extends out of the fixing plate, a gear is fixed at the end part of the power output shaft of the speed reducing motor, a guide structure is arranged in the box body, the guide structure comprises a guide wheel support which is fixed at the bottom end of the box body and is L-shaped, a fixing shaft is assembled on the guide wheel support, a rotatable guide wheel is arranged on the fixing shaft, a rack is arranged between the guide wheel and the gear, the transmission; the lower right corner of box is fixed with the sleeve, and slidable is equipped with the joint post in the sleeve, and fixed connection can be dismantled with the bottom of rack to the top of joint post. The utility model discloses simple structure through the joint post with joint pipe joint, realize the fixed action, operation convenient to use.

Description

Electric gear type ground anchor for crane

Technical Field

The utility model belongs to the technical field of crane equipment, especially, relate to an electric gear formula earth anchor for hoist.

Background

The crane is used as the most important one of material handling machinery, is widely applied in various industries, and has to be a portal crane in the industries of machine manufacturing, metallurgy, steel, container shipping at wharf and the like, wherein the lifting range of the portal crane for outdoor use can be from several tons to dozens of tons or even hundreds of tons, the self volume and the occupied area are large, so the portal crane is generally installed at an outer place, the windward area of the portal crane is large, in some areas with frequent wind damage, the portal crane is likely to be moved along a slide rail without being operated under the thrust action of strong wind in a non-working state, and the potential safety hazard of personal safety and economic loss is caused. At present, in order to avoid the phenomenon of tackle caused by the action of wind force, various types of rail clamping devices are mostly used for stabilizing equipment except for a braking system of the equipment, and a special iron shoe device and an electric anchoring device are also adopted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current hoist anchoring device structure complicacy, use inconvenient problem, provide an electric gear formula earth anchor for hoist, including joint base and box, the joint base includes the unable adjustment base that the level set up, and unable adjustment base sets up in the underground of hoist walking track tip, is fixed with vertical setting and the ascending joint pipe of opening on the unable adjustment base, is fixed with a plurality of reinforcing plate around the joint pipe, and the reinforcing plate plays the effect of fixed enhancement, and the mouth of pipe of joint pipe is a little higher than ground. The box body is fixed on a lower end beam of the crane, a lifting lug for lifting and taking the box body for carrying is arranged at the top end of the box body, a cover body matched with the box body is detachably fixed on the box body, a plurality of wire inlet and outlet holes are formed in the cover body, and cables can enter and exit through the wire inlet and outlet holes. The fixed plate of vertical setting is fixed with in the box, and the left side of fixed plate is fixed with the gear motor that the level set up, and the fixed plate plays the effect of fixed stay to gear motor, and gear motor's power output shaft extends the fixed plate, and gear motor's power output shaft's end fixing has the gear. Be equipped with guide structure in the box, guide structure is including fixing the leading wheel support that is the L type in the box bottom, the fixed axle that the level set up is assembled on the leading wheel support, the fixed axle sets up two at least, and each fixed axle from the top down can dismantle the fixing on the leading wheel support side by side, all be equipped with rotatable leading wheel on the fixed axle, be equipped with the rack of vertical setting between leading wheel and the gear, the transmission flank of tooth and the gear engagement of rack, the smooth surface and the leading wheel roller press-fit of rack, gear rotation drives rack reciprocating linear motion in vertical direction, leading wheel and gear cooperation, make the rack can only be reciprocating linear motion in vertical direction, the leading wheel plays the guide effect. The lower right corner of box is fixed with the sleeve of vertical setting, and slidable is equipped with the joint post in the sleeve, and fixed connection can be dismantled with the bottom of rack to the top of joint post, and the sleeve is extended to the bottom of joint post, and the joint post is at the pull of rack and is driven down, follows the rack and is reciprocal linear motion in the sleeve.

Preferably, a travel switch is detachably fixed on the fixing plate above the rack, and when the rack moves upwards to a certain height and touches the travel switch, the speed reduction motor stops rotating.

Preferably, be fixed with the proximity switch support on the box inside wall of sleeve top, can dismantle the proximity switch who is fixed with the level setting on the proximity switch support, correspond proximity switch on the rack and seted up spacing through-hole, when the rack downstream, when spacing through-hole moved the proximity switch position, proximity switch sensed the signal, gear motor stall, restart gear motor, but rack direction upward movement.

Preferably, the external diameter of joint post is less than the internal diameter of joint pipe, and when the hoist was used up, when needing to fix, moves the orbital tip with the hoist, starts gear motor, and the joint post moves down, until pegging graft in the joint pipe.

Preferably, the proximity switch, the speed reduction motor, the travel switch and the guide wheel are all prior art. And the proximity switch, the speed reducing motor and the travel switch are all connected with the PLC.

The scheme has the following advantages:

the gear, the rack and the guide wheel are matched for use, so that the rack can reciprocate in the vertical direction to realize clamping between the clamping column and the clamping pipe; the arrangement of the travel switch plays a role in upper limit on the rack, and the arrangement of the proximity switch plays a role in lower limit on the rack; the clamping base is used for clamping the clamping column, so that the crane is fixed more stably; the gear motor is arranged to provide power for the gear and the rack; telescopic setting up to the joint post plays limiting displacement, can guarantee that the joint post moves in vertical direction to can insert smoothly and advance in the joint pipe.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic view of the guiding structure of the present invention;

fig. 4 is a schematic view of the structure of the rack and pinion of the present invention;

FIG. 5 is a schematic view of the structure of the guide wheel of the present invention;

FIG. 6 is a schematic structural view of the box body of the present invention;

fig. 7 is a schematic structural view of the cover body of the present invention;

fig. 8 is a schematic structural view of the clamping base of the present invention.

Reference numerals: 1. clamping the base; 2. a box body; 3. a cover body; 4. a guide structure; 11. a fixed base; 12. clamping the connecting pipe; 13. a reinforcing plate; 21. lifting lugs; 22. a fixing plate; 23. a reduction motor; 24. a gear; 31. an inlet and outlet wire hole; 41. a guide wheel bracket; 42. a fixed shaft; 43. a guide wheel; 44. a rack; 441. a limiting through hole; 45. a sleeve; 46. a clamping column; 47. a travel switch; 48. a proximity switch.

Detailed Description

As shown in fig. 1-8, an electric gear type ground anchor for crane comprises a clamping base 1 and a box body 2, wherein the clamping base 1 comprises a fixing base 11 horizontally arranged, the fixing base 11 is arranged underground at the end part of a crane walking track, a clamping pipe 12 which is vertically arranged and has an upward opening is fixed on the fixing base 11, a plurality of reinforcing plates 13 are fixed around the clamping pipe 12, the reinforcing plates 13 play a role in fixing and reinforcing, and the pipe orifice of the clamping pipe 12 is slightly higher than the ground. The box body 2 is fixed on a lower end beam of the crane, the top end of the box body 2 is provided with a lifting lug 21 used for lifting and taking for carrying, a cover body 3 matched with the box body 2 is detachably fixed on the box body 2, the cover body 3 is provided with a plurality of wire inlet and outlet holes 31, and the wire inlet and outlet holes 31 can be used for the inlet and outlet of cables. A vertically arranged fixing plate 22 is fixed in the box body 2, a horizontally arranged speed reducing motor 23 is fixed on the left side of the fixing plate 22, the fixing plate 22 plays a role in fixing and supporting the speed reducing motor 23, a power output shaft of the speed reducing motor 23 extends out of the fixing plate 22, and a gear 24 is fixed at the end of the power output shaft of the speed reducing motor 23. The box body 2 is internally provided with a guide structure 4, the guide structure 4 comprises a guide wheel support 41 fixed at the bottom end of the box body 2 and in an L shape, fixing shafts 42 horizontally arranged are assembled on the guide wheel support 41, at least two fixing shafts 42 are arranged, each fixing shaft 42 is fixed on the guide wheel support 41 in a parallel and detachable mode from top to bottom, rotatable guide wheels 43 are arranged on the fixing shafts 42, a vertically arranged rack 44 is arranged between each guide wheel 43 and the corresponding gear 24, the transmission tooth surface of each rack 44 is meshed with the corresponding gear 24, the smooth surface of each rack 44 is matched with the corresponding guide wheel 43 in a rolling mode, the gears 24 drive the racks 44 to reciprocate in the vertical direction, the guide wheels 43 are matched with the gears 24, the racks 44 can only reciprocate in the vertical direction, and the guide wheels 43 play a role in guiding. The lower right corner of box 2 is fixed with the sleeve 45 of vertical setting, and slidable is equipped with joint post 46 in the sleeve 45, and fixed connection can be dismantled with the bottom of rack 44 in the top of joint post 46, and sleeve 45 extends out to the bottom of joint post 46, and joint post 46 follows rack 44 and is reciprocal linear motion in sleeve 45 under the drive of the pulling of rack 44.

Preferably, a travel switch 47 is detachably fixed on the fixing plate 22 above the rack 44, and when the rack 44 moves upward to a certain height and touches the travel switch 47, the speed reduction motor 23 stops rotating.

Preferably, a proximity switch bracket is fixed on the inner side wall of the box body 2 above the sleeve 45, a proximity switch 48 horizontally arranged is detachably fixed on the proximity switch bracket, a limit through hole 441 is formed in the rack 44 corresponding to the proximity switch 48, when the rack 44 moves downwards, the limit through hole 441 moves to the position of the proximity switch 48, the proximity switch 48 senses a signal, the speed reduction motor 23 stops rotating, the speed reduction motor 23 is started again, and the rack 44 can move upwards.

Preferably, the outer diameter of the clamping column 46 is smaller than the inner diameter of the clamping pipe 12, when the crane is used and needs to be fixed, the crane is moved to the end of the rail, the speed reduction motor 23 is started, and the clamping column 46 moves downwards until being inserted into the clamping pipe 12.

Preferably, the proximity switch 48, the reduction motor 23, the travel switch 47 and the guide wheel 43 are all prior art. And the proximity switch 48, the speed reducing motor 23 and the travel switch 47 are all connected with the PLC controller.

The use process comprises the following steps:

the utility model discloses during the use, with the hoist remove suitable position, start gear motor 23 through PLC, gear motor 23 drives rack 44 and moves down, joint post 46 pegs graft downwards in joint pipe 12, until spacing through-hole 441 on rack 44 passes through proximity switch 48, proximity switch 48 counts once, transmits the signal of gathering to the PLC controller, under the effect of PLC controller, gear motor 23 stall, joint post 46 pegs graft in joint pipe 12, realizes the fixed to the hoist; when the crane needs to be used, the gear motor 23 is started through the PLC, the rack 44 drives the clamping column 46 to move upwards, after the rack 44 moves to a proper position, the rack 4 touches the travel switch 47, the gear motor 23 stops rotating, the clamping column 46 moves out of the clamping pipe 12 at the moment, and the crane can freely move on the rail.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides an electric gear formula earth anchor for hoist, includes joint base and box, and the box is fixed on hoist lower extreme roof beam, can dismantle on the box and be fixed with lid, its characterized in that: a vertically arranged fixed plate is fixed in the box body, a horizontally arranged gear motor is fixed on the left side of the fixed plate, a power output shaft of the gear motor extends out of the fixed plate, a gear is fixed at the end part of the power output shaft of the gear motor, a guide structure is arranged in the box body and comprises a guide wheel bracket which is fixed at the bottom end of the box body and is L-shaped, a horizontally arranged fixed shaft is assembled on the guide wheel bracket, a rotatable guide wheel is arranged on the fixed shaft, a vertically arranged rack is arranged between the guide wheel and the gear, the transmission tooth surface of the rack is meshed with the gear, and the smooth surface of the rack is in press fit with the; the lower right corner of box is fixed with the sleeve of vertical setting, and slidable is equipped with the joint post in the sleeve, and fixed connection can be dismantled with the bottom of rack to the top of joint post.

2. The electric gear type ground anchor for the crane according to claim 1, wherein: the fixed shafts are at least two, and the fixed shafts are detachably fixed on the guide wheel bracket from top to bottom in parallel.

3. The electric gear type ground anchor for the crane according to claim 2, wherein: the clamping base comprises a fixing base which is horizontally arranged, a clamping pipe which is vertically arranged and has an upward opening is fixed on the fixing base, and a plurality of reinforcing plates are fixed around the clamping pipe.

4. The electric gear type ground anchor for the crane according to claim 3, wherein: a plurality of wire inlet and outlet holes are formed in the cover body.

5. The electric gear type ground anchor for the crane according to claim 4, wherein: a travel switch is detachably fixed on the fixed plate above the rack.

6. The electric gear type ground anchor for the crane according to claim 5, wherein: a proximity switch bracket is fixed on the inner side wall of the box body above the sleeve, and a horizontally arranged proximity switch is detachably fixed on the proximity switch bracket; and the rack is provided with a limit through hole corresponding to the proximity switch.

7. The electric gear type ground anchor for the crane according to claim 6, wherein: the top end of the box body is provided with a lifting lug.

8. The electric gear type ground anchor for cranes of claim 7, wherein: the outer diameter of the clamping column is smaller than the inner diameter of the clamping pipe.