CN115156880A - Engineering machinery equipment - Google Patents
Engineering machinery equipment Download PDFInfo
- Publication number
- CN115156880A CN115156880A CN202210691197.2A CN202210691197A CN115156880A CN 115156880 A CN115156880 A CN 115156880A CN 202210691197 A CN202210691197 A CN 202210691197A CN 115156880 A CN115156880 A CN 115156880A
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- Prior art keywords
- mounting
- pin
- stretching mechanism
- limiting
- disassembled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses an engineering mechanical device, comprising: a pull pin device comprising a pivotally mounted tensioning mechanism; the pin shafts to be assembled and disassembled are arranged around the periphery of the pull pin device; the engineering mechanical equipment is simple in structure, safe and reliable, can be used for mounting or dismounting the pin shafts to be mounted and dismounted in different positions, different specifications and different strokes, and improves the mounting and dismounting efficiency of the pin shafts to be mounted and dismounted.
Description
Technical Field
The invention relates to the technical field of engineering equipment, in particular to engineering mechanical equipment.
Background
Each part of large-scale engineering machinery equipment (such as a tower crane or an excavator) is stressed greatly, a large-scale pin shaft with a large diameter is required to be adopted in the connection design of the parts, meanwhile, because the stress is large, an ear plate for installing the large-scale pin shaft is thick, the connected large-scale pin shaft has the characteristics of large diameter, long length and heavy weight, the diameter of the large-scale pin shaft at some parts even reaches more than 150mm, the length is more than 400mm, the weight reaches hundreds of kilograms, the large-scale pin shaft is almost impossible to carry by manpower or knock by manpower, and great difficulty is caused for the installation and the disassembly of the large-scale pin shaft.
In the actual production process, adopt the device of pulling the round pin to assist the installation to above-mentioned large-scale round pin axle more, but pull the round pin device among the prior art and go on ann to tear open to single large-scale round pin axle in same position more, pull the round pin device and need follow the difference of large-scale round pin axle position and remove, work efficiency is lower, complex operation and adaptability are relatively poor.
Disclosure of Invention
The invention aims to provide engineering mechanical equipment which is simple in structure, can be used for mounting or dismounting pin shafts to be mounted or dismounted at different circumferential positions under the condition of dismounting a pull pin device, improves the working efficiency and is simple to operate.
In order to achieve the above object, the present invention provides a construction machine including:
a pull pin device comprising a pivotally mounted tensioning mechanism;
the pin shafts to be assembled and disassembled are arranged around the periphery of the pull pin device;
wherein, the stretching mechanism can pivot and move so as to be connected with each pin shaft to be assembled and disassembled respectively.
In an embodiment of the invention, the pull pin device further comprises a swivel mounting base with a swivel support, and the stretching mechanism is detachably mounted on the swivel mounting base.
In an embodiment of the invention, the pull pin device further comprises a hinge mount, the stretching mechanism being detachably mounted on the hinge mount to pivot with the hinge mount.
In an embodiment of the present invention, the hinge mounting seat includes a hinge shaft and a mounting seat body, a pivot hole for inserting the hinge shaft is provided at the bottom of the mounting seat body, and the stretching mechanism is detachably mounted on the mounting seat body.
In the embodiment of the invention, the pivot hole is a waist-shaped hole, and the length direction of the waist-shaped hole is vertical to the length direction of the mounting groove.
In an embodiment of the present invention, the pull pin device further includes a limiting member for limiting the pivoting of the hinge mount.
In the embodiment of the invention, the engineering mechanical equipment is provided with a first limiting hole, the hinged mounting seat is provided with a second limiting hole, and the limiting part comprises a limiting pin shaft with one end penetrating through the second limiting hole and detachably connected with the first limiting hole.
In the embodiment of the invention, the section of the installation seat body is U-shaped.
In an embodiment of the present invention, a first clamping column and a second clamping column protruding outward are respectively formed on two radial sides of the stretching mechanism, and a first clamping groove and a second clamping groove for the first clamping column and the second clamping column to be clamped into are respectively formed on two side walls of the installation base.
In an embodiment of the present invention, there are a plurality of first card slots and a plurality of second card slots, and the plurality of first card slots and the plurality of second card slots are distributed at intervals along an axial direction of the mounting groove.
Through the technical scheme, the engineering mechanical equipment comprises the pull pin device and the plurality of pin shafts to be assembled and disassembled, the plurality of pin shafts to be assembled and disassembled are arranged on the peripheral side of the pull pin device, the stretching mechanism can move in a pivoting mode to be connected with the pin shafts to be assembled and disassembled respectively, the structure is simple, safety and reliability are achieved, the engineering mechanical equipment can be used for assembling or disassembling the pin shafts to be assembled and disassembled at different positions, different specifications and different strokes, and the assembling and disassembling efficiency of the pin shafts to be assembled and disassembled is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
fig. 1 is a first view structural schematic diagram of engineering machinery equipment in an embodiment of the invention;
FIG. 2 is a second perspective structural view (with a swivel mount) of the construction machine according to the embodiment of the present invention;
FIG. 3 is a second perspective structural view (with hinged mounting) of the construction machinery apparatus in an embodiment of the present invention;
fig. 4 is a first perspective structural view of the mounting base according to the embodiment of the present invention;
fig. 5 is a second perspective view of the mounting base according to the embodiment of the present invention;
fig. 6 is a schematic top view structure diagram of the fixing base in the embodiment of the present invention.
Description of the reference numerals
1. First clamping column of stretching mechanism 101
102. Second clamping column 2 pin shaft to be assembled and disassembled
3. Mounting seat 301 mounting groove
302. Pivot hole 303 second limit hole
304. First card slot 305 and second card slot
4. Articulated shaft of slewing bearing 5
6. Locating part 7 upper bracket
8. Fixing seat 801 first limit hole
9. Hydraulic system 10 pin shaft mounting lug plate
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given by way of illustration and explanation only, not limitation.
In an embodiment of the present invention, a novel engineering mechanical device is provided, where the engineering mechanical device includes a tower crane, an excavator, and the like, and in this embodiment, the engineering mechanical device is preferably a tower crane, as shown in fig. 1 to 6, and the engineering mechanical device includes:
the pin pulling device comprises a stretching mechanism 1 which is pivotally arranged;
the pin shafts 2 to be assembled and disassembled are arranged around the pin pulling device;
wherein, the stretching mechanism 1 can move pivotally to connect each pin shaft 2 to be assembled and disassembled respectively.
Specifically, the engineering mechanical equipment comprises an upper support 7, a fixed seat 8 and a plurality of pin shaft mounting lug plates 10, wherein the fixed seat 8 is welded on the upper support 7, a stretching mechanism 1 is pivotally mounted on the fixed seat 8, the pin shaft mounting lug plates 10 are arranged on one side of the fixed seat 8, the two pin shaft mounting lug plates 10 are arranged in parallel at intervals, pin shaft mounting holes for the pin shafts 2 to be mounted and dismounted to pass through are formed in the pin shaft mounting lug plates 10, four pin shaft mounting lug plates 10 are arranged in the embodiment, and the pin shaft mounting lug plates are arranged on two opposite sides of the fixed seat 8 in pairs (the engineering mechanical equipment can also be provided with more pin shaft mounting lug plates 10 and pin shafts 2 to be mounted and dismounted on the peripheral side of a pin pulling device according to actual requirements); further, the pin shaft 2 to be assembled and disassembled in the embodiment is a large pin shaft with a diameter of more than 150mm, a length of more than 400mm and a weight of hundreds of kilograms, and the pin pulling device is used for installing or disassembling the pin shafts 2 to be assembled and disassembled at different circumferential positions on the engineering mechanical equipment.
The stretching mechanism 1 in this embodiment includes hydraulic cylinder, is equipped with the connector on hydraulic cylinder's the flexible end (being hydraulic cylinder's piston rod), and the one end of treating the dress and tearing round pin axle 2 is equipped with the connection ear seat, and the connection can be dismantled with connection ear seat accessible round pin axle realization to the connector.
The engineering mechanical equipment in the embodiment further comprises a hydraulic system 9 in driving connection with the stretching mechanism 1, when the pin shaft 2 to be assembled and disassembled is installed, the pin shaft 2 to be assembled and disassembled is firstly placed at a preset position, the hydraulic system 9 is started to drive the telescopic end of the hydraulic oil cylinder to extend out, so that the connector and the connecting lug seat are connected together through the connecting pin shaft, then the hydraulic system 9 is started again to enable the telescopic end of the hydraulic oil cylinder to retract, the hydraulic oil cylinder drives the pin shaft 2 to be assembled and disassembled to slowly move and sequentially pass through the pin shaft installation holes in the two pin shaft installation lug plates 10 until a shaft shoulder at one end, far away from the connecting lug seat, of the pin shaft 2 to be assembled and disassembled is contacted with the pin shaft installation lug plates 10 to realize axial limiting of the pin shaft 2 to be assembled and disassembled, and therefore, installation of the pin shaft 2 to be assembled and disassembled is completed;
when the pin shaft 2 to be assembled and disassembled is disassembled, the hydraulic system 9 is started firstly to drive the telescopic end of the hydraulic oil cylinder to extend out, so that the connector and the connecting lug seat are connected together through the connecting pin shaft, then the hydraulic system 9 is started again to enable the telescopic end of the hydraulic oil cylinder to continue to extend forwards, the pin shaft 2 to be assembled and disassembled connected with the hydraulic oil cylinder is pushed to move in the direction away from the fixed seat 8, the pin shaft 2 to be assembled and disassembled is sequentially withdrawn from the two pin shaft mounting holes until the pin shaft 2 to be assembled and disassembled is completely withdrawn from the pin shaft mounting lug plate 10, and the pin shaft 2 to be assembled and disassembled is disassembled;
when the pin shaft 2 to be assembled and disassembled at different circumferential positions needs to be assembled or disassembled, the stretching mechanism 1 is pivoted to adjust the orientation position of the stretching mechanism 1, the connecting head is connected with the pin shaft 2 to be assembled and disassembled at other circumferential positions, and then the hydraulic system 9 is started, so that the pin shaft 2 to be assembled and disassembled is pulled into or withdrawn from the pin shaft mounting hole by the stretching mechanism 1.
The engineering mechanical equipment can install or dismantle the pin shaft 2 to be assembled and disassembled within the limited space, the large stroke or the 360-degree range without moving the pin pulling device, so that the working efficiency is improved, and the assembling and disassembling workload of the pin shaft 2 to be assembled and disassembled is reduced.
In one embodiment of the invention, the pull pin device further comprises a swivel mounting with a swivel bearing 4, on which the tensioning mechanism 1 is detachably mounted. Specifically, slewing bearing includes slewing bearing 4 and installation pedestal 3, slewing bearing 4 sets up on fixed mounting seat, installation pedestal 3 sets up on slewing bearing 4, be formed with mounting groove 301 on the installation pedestal 3, 1 detachably of tensile mechanism installs in mounting groove 301, slewing bearing 4 drives installation pedestal 3 and tensile mechanism 1 when rotating and rotates, and then changes the orientation of tensile mechanism 1, so that wait to adorn on the different circumferential position and tear round pin axle 2 open and install or dismantle, make and pull round pin device operation laborsaving and safe and reliable.
In one embodiment of the invention, the pull pin device further comprises a hinged mounting on which the stretching mechanism 1 is detachably mounted to pivot following the hinged mounting. Specifically, articulated mount pad includes articulated shaft 5 and installation pedestal 3, the bottom of installation pedestal 3 is equipped with and supplies articulated shaft 5 male pivot hole 302, be formed with mounting groove 301 on the installation pedestal 3, 1 detachably of straining device installs in mounting groove 301, the articulated center of this articulated mount pad is located articulated mount pad axial ascending intermediate position department, make the both ends of installation pedestal 3 pivot around articulated center, and then drive the 1 pivot together of straining device of installing on installation pedestal 3, change the orientation of straining device 1, so that wait to adorn on the different circumference positions and tear round pin axle 2 and install or dismantle.
In an embodiment of the present invention, the pivot hole 302 is a waist-shaped hole, and the length direction of the waist-shaped hole is perpendicular to the length direction of the mounting groove 301, and the mounting base body 3 is pushed along the length direction of the waist-shaped hole, so that the mounting base body 3 moves relative to the pivot shaft, and the position of the stretching mechanism 1 in the length direction of the waist-shaped hole (i.e. the Y direction in fig. 5) can be changed, so that when a plurality of pins 2 to be mounted and dismounted are arranged in different length directions of the waist-shaped hole at the same circumferential position point, the mounting base body 3 is pushed to mount or dismount the plurality of pins 2 to be mounted and dismounted.
In an embodiment of the present invention, the pin pulling device further includes a limiting member 6 for limiting the pivot of the hinge mount, specifically, a first limiting hole 801 is disposed on the mount 8 of the engineering mechanical equipment, a second limiting hole 303 is formed on the mount base 3 of the hinge mount, the limiting member 6 includes a limiting pin shaft having one end passing through the second limiting hole 303 and detachably connected to the first limiting hole 801, the bottom end of the limiting pin shaft passes downward through the second limiting hole 303 and is inserted into the first limiting hole 801, so as to limit the pivot of the hinge mount, when the orientation of the stretching mechanism 1 needs to be changed, the limiting pin shaft is taken out from the first limiting hole 801 and the second limiting hole 303, so that the mount base 3 pivots around the hinge shaft 5 to adjust the orientation position of the stretching mechanism 1, and after the orientation of the stretching mechanism 1 is adjusted, the limiting pin shaft passes through the second limiting hole 303 and is inserted into the first limiting hole 801 on the mount 8, so that the orientation of the stretching mechanism 1 is adjusted.
Similarly, in the embodiment of the present invention with the swivel mount, the fixing base 8 is provided with a first limiting hole 801, the mounting base 3 of the swivel mount is provided with a second limiting hole 303, and the limiting element 6 includes a limiting pin, one end of which passes through the second limiting hole 303 and is detachably connected with the first limiting hole 801, so as to limit the pivoting of the swivel mount.
Further, when the pivot hole 302 is a kidney-shaped hole, the second limiting hole 303 can also be a kidney-shaped hole, so as to avoid affecting the movement of the mounting base 3.
In an embodiment of the present invention, the pin pulling device further includes a pad (not shown in the figure) for adjusting the height of the hinge mount, further, the pad is disposed between the hinge mount and the fixing base 8 and has different thickness specifications, and the use of the pads with different thicknesses can realize adjustment of different heights of the hinge mount and the stretching mechanism 1 (i.e., adjustment of the position in the Z direction in fig. 4), thereby satisfying the installation or removal requirements of the pin shafts 2 to be installed or removed with different diameters.
In an embodiment of the present invention, the cross section of the mounting base 3 is U-shaped, the mounting base 3 with such a cross section shape has a simple structure, the volume of the mounting groove 301 is large, the stretching mechanism 1 can be fully accommodated, and the present invention has the advantages of material saving and production and manufacturing difficulty reduction.
In an embodiment of the present invention, the first clamping column 101 and the second clamping column 102 protruding outward are respectively formed on two radial sides of the stretching mechanism 1, the first clamping column 101 and the second clamping column 102 are formed on the hydraulic cylinder, the first clamping groove 304 and the second clamping groove 305 for clamping the first clamping column 101 and the second clamping column 102 are respectively formed on two side walls of the installation base 3, and the first clamping groove 304 and the second clamping groove 305 are both semicircular, and this shape is convenient for clamping or taking out the first clamping column 101 and the second clamping column 102, thereby improving the installation or disassembly efficiency of the stretching mechanism 1.
In an embodiment of the present invention, the number of the first card slots 304 and the second card slots 305 is multiple, and the multiple first card slots 304 and the multiple second card slots 305 are distributed at intervals along the axial direction of the mounting groove 301, so that when the first card posts 101 and the second card posts 102 are clamped in the first card slots 304 and the second card slots 305 at different axial positions of the mounting groove 301, the position of the stretching mechanism 1 in the axial direction of the mounting groove 301 (i.e., the position in the X direction in fig. 4) can be changed, and further, the stroke of the pulling pin device is adjusted, so as to meet the mounting or dismounting requirements of the pin shafts with different lengths.
The invention provides engineering mechanical equipment which comprises a pull pin device and a plurality of pin shafts to be assembled and disassembled, wherein the plurality of pin shafts to be assembled and disassembled are arranged around the pull pin device, and a stretching mechanism can be pivoted and moved to be respectively connected with the pin shafts to be assembled and disassembled.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the specific features in any suitable way, and the invention will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention.
Claims (10)
1. A work machine, characterized in that it comprises:
a pin pulling device comprising a pivotally mounted stretching mechanism (1);
the pin shafts (2) to be assembled and disassembled are arranged around the periphery of the pull pin device;
the stretching mechanism (1) can move in a pivoting mode to be connected with the pin shafts (2) to be assembled and disassembled respectively.
2. The work machine arrangement according to claim 1, characterized in that the pull pin device further comprises a swivel mounting with a swivel bearing (4), on which swivel mounting the stretching mechanism (1) is detachably mounted.
3. The work machine arrangement according to claim 1, characterized in that the pull pin device further comprises a hinged mounting on which the stretching mechanism (1) is detachably mounted to pivot following the hinged mounting.
4. The construction machinery equipment according to claim 3, wherein the hinge mounting seat comprises a hinge shaft (5) and a mounting seat body (3), a bottom of the mounting seat body is provided with a pivot hole for inserting the hinge shaft, and the stretching mechanism is detachably mounted on the mounting seat body.
5. The construction machinery according to claim 4, wherein the pivot hole (302) is a kidney-shaped hole, and a length direction of the kidney-shaped hole is perpendicular to a length direction of the mounting groove (301).
6. The work machine arrangement according to any of claims 3-5, characterized in that the pull pin device further comprises a limit stop (6) for limiting the pivoting of the hinge mounting.
7. The engineering mechanical equipment as claimed in claim 6, wherein a first limiting hole (801) is formed in the engineering mechanical equipment, a second limiting hole (303) is formed in the hinge mounting seat, and the limiting member (6) comprises a limiting pin shaft with one end penetrating through the second limiting hole (303) and detachably connected with the first limiting hole (801).
8. The construction machinery device according to claim 4, wherein the mounting base body is U-shaped in cross section.
9. The engineering mechanical equipment according to claim 8, wherein a first clamping column (101) and a second clamping column (102) which protrude outwards are respectively formed on two radial sides of the stretching mechanism (1), and a first clamping groove (304) and a second clamping groove (305) for clamping the first clamping column (101) and the second clamping column (102) are respectively formed on two side walls of the installation base body.
10. The construction machinery device according to claim 9, wherein the first card slot (304) and the second card slot (305) are plural in number, and the plural first card slots (304) and the plural second card slots (305) are distributed at intervals along the axial direction of the mounting groove (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691197.2A CN115156880A (en) | 2022-06-17 | 2022-06-17 | Engineering machinery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691197.2A CN115156880A (en) | 2022-06-17 | 2022-06-17 | Engineering machinery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115156880A true CN115156880A (en) | 2022-10-11 |
Family
ID=83485402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210691197.2A Pending CN115156880A (en) | 2022-06-17 | 2022-06-17 | Engineering machinery equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115156880A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221030A (en) * | 2011-06-17 | 2011-10-19 | 长沙中联重工科技发展股份有限公司 | Hydro-cylinder assembly with adjustable stroke and pin inserting and drawing mechanism of positioning device |
| CN110465910A (en) * | 2019-09-20 | 2019-11-19 | 吕梁学院 | A kind of portable hydraulic bracket cylinder detaching device for pin shaft |
| CN211594279U (en) * | 2019-11-07 | 2020-09-29 | 南通隆生电子机械有限公司 | Pneumatic discharging device |
| CN216687152U (en) * | 2021-12-21 | 2022-06-07 | 湖南中联重科履带起重机有限公司 | Auxiliary pin pulling support, truss type arm support and crane |
-
2022
- 2022-06-17 CN CN202210691197.2A patent/CN115156880A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221030A (en) * | 2011-06-17 | 2011-10-19 | 长沙中联重工科技发展股份有限公司 | Hydro-cylinder assembly with adjustable stroke and pin inserting and drawing mechanism of positioning device |
| CN110465910A (en) * | 2019-09-20 | 2019-11-19 | 吕梁学院 | A kind of portable hydraulic bracket cylinder detaching device for pin shaft |
| CN211594279U (en) * | 2019-11-07 | 2020-09-29 | 南通隆生电子机械有限公司 | Pneumatic discharging device |
| CN216687152U (en) * | 2021-12-21 | 2022-06-07 | 湖南中联重科履带起重机有限公司 | Auxiliary pin pulling support, truss type arm support and crane |
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