CN220550624U - Fixed base structure assembly for electric steel grabbing machine - Google Patents

Abstract

The utility model discloses a fixed base structure assembly for an electric steel grabbing machine, which comprises a fixed base and a rotary platform, wherein the fixed base is connected with the rotary platform through a slewing bearing, a current collector is arranged between the fixed base and the rotary platform, a strength and rigidity enhancing structure is arranged on the fixed base, the current collector comprises a stator and a rotor, the stator is connected with the rotary platform through a fourth unthreaded hole, and the rotor is connected with a rotor bracket assembly through a shifting fork pin shaft. The utility model has high stability in operation through enhancing the strength and the rigidity, the slewing bearing position between the slewing platform and the fixed base does not generate tremble or light swinging, and the problem that the current collector is difficult to assemble and maintain is solved through the novel current collector fixing structure.

Description

Fixed base structure assembly for electric steel grabbing machine

Technical Field

The utility model relates to the field of engineering machinery, in particular to a fixed base structure assembly for an electric steel grabbing machine.

Background

The steel grabbing machine is developed from a hydraulic excavator, the big arm and the small arm are grabbing arms, and the accessory is a steel grabbing device (mainly quincuncial grabbing, 3+2 grabbing, electromagnetic chuck and the like) and is mainly suitable for grabbing, lifting and loading waste metals, industrial wastes, construction wastes and the like. The steel grabbing machine is divided into a fuel oil type and an electric type according to power allocation, and a fuel oil engine and an electric motor are respectively and independently allocated. The movable walking frame is arranged according to the movable type and the fixed type of the working range, and the movable walking frame moves and works according to the working place; the fixed type is not provided with a walking frame, and only a fixed base is arranged for operation at a fixed position.

Due to the limitation of the working environment and the structure of the fixed base, when the electric steel grabbing machine provided with the fixed base works, the vibration and the light swing of the installation seat part of the slewing bearing between the slewing platform and the fixed base occur, and the service lives of the slewing motor and the slewing bearing are influenced. And the current collector disposed in the middle of the stationary base is difficult to assemble and maintain.

Referring to fig. 1 to 3, a conventional fixing base structure assembly of an electric steel grabbing machine comprises a fixing base 10, a rotary platform 3 and a current collector 4, wherein the fixing base 10 is connected with the rotary platform 3 through a rotary support 5, the current collector 4 is divided into a stator and a rotor, the stator is connected with the rotary platform 3, the rotor is connected with a mounting pin hole 101 on a current collector fixing seat 100 through a plug pin pulling shaft 24, the current collector fixing seat 100 is a bending plate, reinforcing plates 102 are arranged at the lower parts of two sides of the bending plate, and the reinforcing plates 102 are connected with the fixing base 10 in a welding mode;

the fixed base structure assembly has two disadvantages:

on the one hand, the structure strength is weak, when the steel grabbing machine works, the vibration and light swinging state occurs at the position of the slewing bearing 5 between the slewing platform 3 and the fixed base 10, and the stability is poor during the operation;

on the other hand, the whole weight of the rotary platform 3 is heavy, the volume is huge, the current collector 4 stator is fixed on the upper part of the rotary platform, when the rotary platform 3 and the fixed base 10 are integrally assembled, the shifting fork pin shaft 24 on the lower part of the rotor shifting disc 26 and the mounting pin hole 101 on the current collector fixing seat 100 are difficult to align and assemble, and the time and labor are wasted, and the efficiency is extremely low.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the fixed base structure assembly for the electric steel grabbing machine, which is capable of reasonably enhancing the structural strength and rigidity, improving the stability of a fixed base, and optimizing the assembly layout structure of the shifting fork pin shaft of the shifting disc and the current collector fixing base so as to facilitate the assembly and maintenance of the current collector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the fixed base is connected with the rotary platform through a slewing bearing, a current collector is arranged between the fixed base and the rotary platform, the fixed base comprises a supporting ring, a slewing bearing mounting seat plate is arranged at the upper end of the supporting ring, a base is arranged at the lower end of the supporting ring, a overhauling hole and a threading hole are formed in the side wall of the supporting ring, a second unthreaded hole is formed in the slewing bearing mounting seat plate, and a third unthreaded hole is formed in the base;

the fixing base is characterized in that a strength and rigidity enhancing structure is arranged on the fixing base;

the strength and rigidity enhancement structure is characterized in that a plurality of rib plates are arranged between a base of the fixed base and the supporting ring;

a reinforcing ring is arranged on the periphery of the overhaul hole on the support ring;

a separation ring is arranged above the access hole on the inner side of the support ring;

the inner side of the supporting ring is provided with a plurality of vertical rib plates, the lower ends of the rib plates are connected with the base, and the upper ends of the rib plates are connected with the separation ring;

the vertical rib plates at two sides of the access hole are provided with second rib plates below the access hole;

no reinforcing ribs are arranged in the area between the separation ring and the slewing bearing mounting seat plate;

an access hole cover plate is arranged on the reinforcing ring;

a U-shaped handle is arranged on the manhole cover plate;

the current collector comprises a stator and a rotor;

the rotor comprises a hollow transmission shaft and a poking disc arranged at the lower end of the hollow transmission shaft, a poking fork pin shaft is arranged on the poking disc, and a second cable threading hole is formed in the bottom of the hollow transmission shaft;

the bottom of the stator is provided with a fourth unthreaded hole, the bottom of the stator is also provided with a rotor mounting hole, and the upper end of the side wall is provided with a first cable threading hole;

the current collector stator is connected with the rotary platform through a fourth unthreaded hole, and the rotor is connected with the rotor bracket assembly through a shifting fork pin shaft;

the rotor bracket assembly comprises a mounting bracket and a fixing plate arranged below the mounting bracket;

the mounting bracket is an inverted U-shaped bracket, the U-shaped leg of the mounting bracket is provided with a connecting hole and is connected with the fixed plate, and the top of the mounting bracket is provided with a wiring groove;

thickened pin holes are formed in two sides of the wiring groove, the fixing plate is bent to be in an open trapezoid shape, and mounting holes are formed in two ends of the top of the fixing plate;

the separation ring is provided with corresponding fixing plate mounting holes;

the trapezoid wings of the fixing plate are provided with wire pressing hoops;

the wire pressing hoop fixes an external input cable, penetrates into the second cable threading hole and enters the collector, an electric appliance cable on the rotary platform enters the collector from the first cable threading hole, and the input cable is connected with the electric appliance cable through a rotary wire connector;

the input cable is connected with the electric appliance cable through a brush holder and an electric brush;

the wire pressing hoop is arranged on two trapezoidal wings, one wing is two;

the fixed base is arranged on the fixed seat;

the fixed seat is connected with the fixed base through a third thickened washer and a third lengthened bolt, the fixed base is connected with the slewing bearing through a second thickened washer and a second lengthened bolt, and the slewing bearing is connected with the slewing platform through a first thickened washer and a first lengthened bolt;

the current collector stator is connected with the rotary platform through a first gasket and a first bolt, the manhole cover plate is connected with the manhole reinforcing ring through a second gasket and a second bolt, the current collector rotor is inserted into the thickened pin hole through a shifting fork pin shaft and is connected with the mounting support, the mounting support is connected with the fixing plate through a third gasket and a third bolt, the fixing plate is connected with the fixing base through a fourth gasket and a fourth bolt, and the wire pressing hoop is fixed on two wings of the fixing plate through a fifth gasket and a fifth bolt.

Compared with the prior art, the utility model has the following beneficial effects:

1) The whole structure is reasonably reinforced, and a reasonable buffer area is reserved so as to release stress;

2) The lower part and the upper part of the fixed base are respectively fastened by using the thickened gasket and the lengthened bolt, so that the tensile strength and the yield strength of the bolt are improved, the lengthened bolt is buffered and protected, and the service life of the lengthened bolt is prolonged;

3) The stability is high during operation, and vibration and light swing of the slewing bearing position between the slewing platform and the fixed base are avoided;

4) The problem that the current collector is difficult to assemble and maintain is solved.

Drawings

FIG. 1 is a schematic view of a conventional prior art fixed base structure assembly for an electric steel grab;

FIG. 2 is a schematic view of the stationary base structure of FIG. 1;

fig. 3 is a schematic view of the structure of the current collector of fig. 1;

FIG. 4 is a schematic view of a stationary base structure assembly for an electric steel grab according to the present utility model;

FIG. 5 is a schematic view of the stationary base structure of FIG. 4 according to the present utility model;

FIG. 6 is a schematic view of another angular configuration of the stationary base of FIG. 4 according to the present utility model;

fig. 7 is a schematic view of the current collector installation of fig. 4 in accordance with the present utility model;

FIG. 8 is a schematic view of the current collector and rotor support assembly of the present utility model installed;

fig. 9 is a schematic view of the rotor support assembly of the present utility model.

In the figure: 100. a current collector fixing seat; 101. mounting pin holes; 102. a reinforcing plate;

1. a first gasket; 2. a first bolt; 3. a rotary platform; 4. a current collector; 5. a slewing bearing; 6. a first thickened washer; 7. a first extension bolt; 8. a second thickened washer; 9. a second extension bolt; 10. a fixed base; 11. a third thickened washer; 12. a third extension bolt; 13. a fixing seat; 14. a manhole; 15. a support ring; 16. a slewing bearing mounting seat plate; 17. a second light aperture; 18. a base; 19. a third light aperture; 20. a threading hole; 21. a first cable threading hole; 22. a hollow drive shaft; 23. a fourth aperture; 24. a shifting fork pin shaft; 25. a second cable threading hole; 26. a toggle plate; 27. a spacer ring; 28. rib plates; 29. a manhole reinforcing ring; 30. rib plates; 31. a threaded hole; 32. a second rib plate; 33. a manhole cover plate; 34. a second gasket; 35. a second bolt; 36. a mounting bracket; 37. a fixing plate; 38. a third gasket; 39. a third bolt; 40. wire-pressing hoops; 41. a fourth gasket; 42. a fourth bolt; 43. a fifth gasket; 44. a fifth bolt; 45. and thickening the pin holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 4 to 6, a fixed base structure assembly of an electric steel grabbing machine comprises a fixed base 10 and a rotary platform 3, wherein the fixed base 10 is connected with the rotary platform 3 through a rotary support 5, a current collector 4 is arranged between the fixed base 10 and the rotary platform 3, the relay 4 is a transfer station in which an external power grid is connected with an upper electrical system of the rotary platform 3 through a lower fixed base 10, and a strength and rigidity enhancing structure is arranged on the fixed base 10;

the fixed base 10 comprises a supporting ring 15, a slewing bearing installation seat plate 16 is arranged at the upper end of the supporting ring 15, a base 18 is arranged at the lower end of the supporting ring, a manhole 14 and a threading hole 20 are arranged on the side wall of the supporting ring, a second unthreaded hole 17 is arranged on the slewing bearing installation seat plate 16 and is used for being connected with the slewing bearing 5, a third unthreaded hole 19 is arranged on the base 18 and is used for being connected with the fixed base 13, the manhole 14 is used for installing an internal current collector 4 of the fixed base 10, and an external power grid transmission cable is connected and maintained;

the strength and rigidity enhancement structure is that a plurality of rib plates 30 are arranged between the base 18 and the support ring 15 of the fixed base 10 so as to promote the strength and rigidity of the lower part of the fixed base 10, and the rib plates 30 avoid the third light holes 19 when being distributed;

the reinforcement ring 29 is arranged on the periphery of the manhole 14 on the support ring 15 to strengthen the structural strength of the outer side of the manhole 14, the reinforcement ring 29 is provided with a manhole cover plate 33 to prevent dust from entering the inside of the base body of the fixed base and ensure the inside of the fixed base to be clean so as to avoid the premature corrosion and damage of internal electric appliances, on the other hand, the strength of the periphery of the manhole is further enhanced after the manhole cover plate 33 is installed, and a separation ring 27 is arranged on the inner side of the support ring 15 above the manhole 14;

the inner side of the supporting ring 15 is provided with a plurality of vertical rib plates 28, the lower end of the rib plate 28 is connected with the base 18, the upper end of the rib plate 28 is connected with the separation ring 27, rib plates 28 on two sides of the access hole 14 are arranged below the access hole 14, the second rib plates 32 and the rib plates 28 form a frame-shaped reinforcing structure with the separation ring 27 relative to the access hole 14, so that the strength and the rigidity of the circumference of the access hole 14 are enhanced, and the overall strength and the rigidity of the fixed base 10 are improved;

a region A without reinforcement exists between the separation ring 27 and the slewing bearing mounting seat plate 18, and no reinforcement measures are used in the region to ensure that the region has proper buffering and toughness, and the region can play a role in buffering when the region faces the instant huge impact, so that the slewing bearing 5 and the fixed base 10 are protected;

the U-shaped handle is arranged on the manhole cover plate 33, the outline size of the manhole cover plate 33 is large, the weight is heavy, and the U-shaped handle is additionally arranged, so that the cover plate is convenient to install on one hand, and the safety degree of installing and detaching the cover plate by an operator is improved on the other hand;

specifically, the fixed seat 13 is connected with the fixed base 10 through a third thickened washer 11 and a third lengthened bolt 12, the fixed base 10 is connected with the slewing bearing 5 through a second thickened washer 8 and a second lengthened bolt 9, the slewing bearing 5 is connected with the slewing platform 3 through a first thickened washer 6 and a first lengthened bolt 7, and the thickened washer and the lengthened bolt have higher tensile strength and yield strength, so that the strength and stability of the structure can be improved;

example 2:

referring to fig. 4 and fig. 7 to 9, the collector 4 includes a stator and a rotor, the rotor includes a hollow transmission shaft 22, a dial 26 disposed on the hollow transmission shaft 22, a second cable threading hole 25 is disposed at the bottom of the hollow transmission shaft 22, a shift fork pin 24 is disposed on the dial 26, a fourth unthreaded hole 23 is disposed at the bottom of the stator and is used for connecting with the rotary platform 3, a rotor mounting hole is disposed at the bottom, a first cable threading hole 21 is disposed at the upper end, and the hollow transmission shaft 22 of the rotor is mounted in the rotor mounting hole, so as to complete the assembly of the collector 4;

the stator at the upper part of the collector 4 is connected with the rotary platform 3 through a fourth unthreaded hole 23, and the rotor is connected with the rotor bracket assembly through a shifting fork pin shaft 24;

the rotor bracket assembly comprises a mounting bracket 36 and a fixing plate 37 arranged below the mounting bracket 36, the mounting bracket 36 is an inverted U-shaped bracket, a connecting hole is formed in a U-shaped leg of the mounting bracket 36 and is connected with the fixing plate 37, a wiring groove is formed in the top of the mounting bracket, space is provided for the wiring hole, thickened pin holes 45 are formed in two sides of the wiring groove and are connected with a shifting fork pin shaft 24 in a rotor, the connecting strength is increased through the thickened pin holes, the fixing plate 37 is bent to be an open trapezoid, mounting holes are formed in two ends of the top of the fixing plate 37, a corresponding fixing plate mounting hole 31 is formed in a separation ring 27, wire-pressing hoops 40 are arranged on trapezoid wings of the fixing plate 37 and are used for fixing an external input cable so as to prevent the cable from shaking, the joint is loosened to cause faults, and the wire-pressing hoops 40 are arranged on two trapezoid wings so as to be convenient for adjusting the layout trend of the cable according to actual requirements;

specifically, the stator of the current collector 4 is connected with the rotary platform 3 through a first washer 1 and a first bolt 2, the manhole cover plate 33 is connected with the manhole reinforcing ring 29 through a second washer 34 and a second bolt 35, the rotor of the current collector 4 is inserted into a thickened pin hole 45 through a shifting fork pin shaft 24 and is connected with a mounting bracket 36, the mounting bracket 36 is connected with a fixing plate 37 through a third washer 38 and a third bolt 39, the fixing plate 37 is connected with a fixing base 10 through a fourth washer 41 and a fourth bolt 42, and the wire pressing hoops 40 are fixed on two wings of the fixing plate 37 through a fifth washer 43 and a fifth bolt 44;

in combination with the two embodiments, during assembly, firstly, the mounting bracket 36 and the fixing plate 37 are assembled together to form a rotor bracket assembly, then the stator and the rotor of the current collector 4 are assembled together, then the current collector 4 is mounted on the rotary platform 3, then the fixed seat 13, the fixed base 10, the rotary support 5 and the rotary platform 3 are assembled in sequence, finally, the rotor bracket assembly enters the fixed base 10 from the overhaul hole 14, the thickened pin holes 45 on the mounting bracket 36 are aligned with the shifting fork pin shafts 24 on the shifting disc 26 upwards, the assembly is completed, and finally, the rotor bracket assembly and the fixed base 10 are fixed through the threaded holes 31 on the separation ring 27;

the external input cable is fixed by using the wire pressing hoop 40, penetrates into the second cable threading hole 25 and enters the collector 4, the electric appliance cable on the rotary platform 3 enters the hub 4 from the first cable threading hole 21, and the input cable is connected with the electric appliance cable through a rotary wire connector.

All parts themselves which are not discussed in the present application and all parts connection modes in the present application belong to the known technology in the technical field. The preparation can be directly applied and is not repeated.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The fixed base structure assembly for the electric steel grabbing machine comprises a fixed base and a rotary platform, wherein the fixed base is connected with the rotary platform through a slewing bearing, and a current collector is arranged between the fixed base and the rotary platform;

the fixed base comprises a supporting ring, a slewing bearing mounting seat plate is arranged at the upper end of the supporting ring, a base is arranged at the lower end of the supporting ring, a manhole and a threading hole are formed in the side wall of the supporting ring, a second unthreaded hole is formed in the slewing bearing mounting seat plate, and a third unthreaded hole is formed in the base;

the fixing base is characterized in that a strength and rigidity enhancing structure is arranged on the fixing base;

the strength and rigidity enhancement structure is characterized in that a plurality of rib plates are arranged between a base of the fixed base and the supporting ring;

a reinforcing ring is arranged on the periphery of the overhaul hole on the support ring;

a separation ring is arranged above the access hole on the inner side of the support ring;

the inner side of the supporting ring is provided with a plurality of vertical rib plates, the lower ends of the rib plates are connected with the base, and the upper ends of the rib plates are connected with the separation ring;

the rib plates at two sides of the access hole are provided with second rib plates below the access hole.

2. The fixed base structure assembly for an electric steel grab of claim 1, wherein no reinforcing ribs are provided in the area between the spacer ring and the slewing bearing mounting plate.

3. The fixed base structure assembly for an electric steel grab of claim 2, wherein the reinforcing ring is provided with an access panel.

4. A fixed base structure assembly for an electric steel grab as claimed in claim 3, wherein said access panel is provided with a U-shaped handle.

5. The stationary base structure assembly for an electric steel grab of claim 4, wherein said current collector includes a stator and a rotor;

the rotor comprises a hollow transmission shaft and a poking disc arranged at the lower end of the hollow transmission shaft, a poking fork pin shaft is arranged on the poking disc, and a second cable threading hole is formed in the bottom of the hollow transmission shaft;

the stator bottom is provided with the fourth unthreaded hole, and the bottom still is provided with the rotor mounting hole, and the lateral wall upper end is provided with first cable through wires hole.

6. The fixed base structure assembly for an electric steel grab of claim 5, wherein the collector stator is connected to the rotary platform through a fourth aperture, and the rotor is connected to the rotor support assembly through a fork pin.

7. The fixed base structure assembly for an electric steel grab of claim 6, wherein the rotor bracket assembly comprises a mounting bracket and a fixed plate disposed below the mounting bracket;

the mounting bracket is an inverted U-shaped bracket, the U-shaped leg of the mounting bracket is provided with a connecting hole and is connected with the fixed plate, and the top of the mounting bracket is provided with a wiring groove;

thickened pin holes are formed in two sides of the wiring groove, the fixing plate is bent to be in an open trapezoid shape, and mounting holes are formed in two ends of the top of the fixing plate;

the separation ring is provided with corresponding fixing plate mounting holes;

the trapezoid wings of the fixing plate are provided with wire pressing hoops.

8. The fixed base structure assembly for an electric steel grabbing machine according to claim 7, wherein the wire pressing hoop is used for fixing an external input cable, penetrating into the second cable threading hole and entering into the collector, the electric appliance cable on the rotary platform enters into the collector from the first cable threading hole, and the input cable is connected with the electric appliance cable through a rotary wire connector.

9. The fixed base structure assembly for an electric steel grab of claim 8, wherein the input cable is connected with the electric cable through a brush holder and a brush.

10. The fixed base structure assembly for an electric steel grabbing machine according to any one of claims 8 and 9, wherein the wire pressing hoop is arranged on two trapezoidal wings, one wing being two;

the fixed base is connected with the fixed seat;

the fixed seat is connected with the fixed base through a third thickened washer and a third lengthened bolt, the fixed base is connected with the slewing bearing through a second thickened washer and a second lengthened bolt, and the slewing bearing is connected with the slewing platform through a first thickened washer and a first lengthened bolt;

the current collector stator is connected with the rotary platform through a first gasket and a first bolt, the manhole cover plate is connected with the manhole reinforcing ring through a second gasket and a second bolt, the current collector rotor is inserted into the thickened pin hole through a shifting fork pin shaft and is connected with the mounting support, the mounting support is connected with the fixing plate through a third gasket and a third bolt, the fixing plate is connected with the fixing base through a fourth gasket and a fourth bolt, and the wire pressing hoop is fixed on two wings of the fixing plate through a fifth gasket and a fifth bolt.