CN113146204A - Mobile impact type large-scale pin shaft replacing device and method - Google Patents
Mobile impact type large-scale pin shaft replacing device and method Download PDFInfo
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- CN113146204A CN113146204A CN202110390555.1A CN202110390555A CN113146204A CN 113146204 A CN113146204 A CN 113146204A CN 202110390555 A CN202110390555 A CN 202110390555A CN 113146204 A CN113146204 A CN 113146204A
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- drill rod
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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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Abstract
The invention discloses a mobile impact type large-scale pin shaft replacing device and method, and the technical scheme is as follows: the method comprises the following steps: the impact device comprises an impact device body, a fine adjustment mechanism, an adjusting mechanism and a movable supporting assembly, wherein the impact device body comprises an impact drill rod and an impact moving mechanism, and the impact moving mechanism can provide circulating reciprocating power for the impact drill rod; the fine adjustment mechanism comprises a pulley which is contacted with the bottom of the impact drill rod, and the pulley is connected with the impact moving mechanism through a connecting bracket; the adjusting mechanism is positioned below the impact drill rod and comprises a lead screw which is rotationally connected with the impact moving mechanism, and the lead screw is provided with a manual pull rod; the movable supporting component is used for supporting the impact device body and is arranged at the bottom of the impact moving mechanism. The invention can improve the safety of maintenance operation, improve the working efficiency and improve the resource utilization rate.
Description
Technical Field
The invention relates to the technical field of equipment maintenance, in particular to a device and a method for replacing a movable impact type large pin shaft.
Background
The traction pin is a key part for connecting a rear axle and a girder of the dump truck, bears the tensile force and the impact of heavy-load goods, and is generally phi 140mm in diameter, 500mm in length, about 45Kg in weight and heavier. In the daily troubleshooting of vehicles, the faults of traction bearing fragmentation, traction seat cracks, traction bearing clamping plate bolt breakage, traction pin abrasion and the like usually occur, and in these cases, the traction pin is usually required to be replaced or knocked out for maintenance. When the traction pin is disassembled in daily maintenance, the traditional method is that the overhead traveling crane is used for hoisting the rear part of a car hopper, the gap between the traction pin and a girder traction seat hanging lug is adjusted, a fork of the forklift is hung with a hanging strip, a hanging strip is hung with a hanging hammer (a longer and heavier solid iron rod), 4 or 5 persons use the swinging hammer to beat the pin, and the overhead traveling crane and the forklift are matched, so that maintenance work of the traction pin and other components can be completed within about 4-6 hours.
The inventors found that the above conventional method has the following problems: 1) the potential safety hazard of operation is large, the impact position of the suspension hammer is inaccurate, the impact force is unstable, and the personnel injury accidents are easy to cause; 2) the maintenance operation is very time-consuming and low in efficiency, the daily production work arrangement is seriously influenced, and the uncontrollable factors of the maintenance time are many. If the shoulder and the traction bearing are clamped and stuck due to pin abrasion, the impact force of the hammer is small, the pin cannot be hit, and the pin can be hit only by cutting the pin in sections by using a high-temperature gas cutting tool. 3) Because such trouble shooting time is longer, occupy the maintenance place for a long time and overhaul the shared resource (overhead traveling crane, fork truck, etc.), occupy and overhaul manpower resources, space resources, equipment resources, etc., be unfavorable for daily production to overhaul, etc..
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a mobile impact type large-scale pin shaft replacing device and method, which can improve the safety of maintenance operation, improve the working efficiency and improve the resource utilization rate.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a mobile impact type large pin replacing device, including:
the impact device body comprises an impact drill rod and an impact moving mechanism, and the impact moving mechanism can provide circulating reciprocating power for the impact drill rod;
the fine adjustment mechanism comprises a pulley which is contacted with the bottom of the impact drill rod, and the pulley is connected with the impact moving mechanism through a connecting bracket;
the adjusting mechanism is positioned below the impact drill rod and comprises a lead screw which is rotationally connected with the impact moving mechanism, and the lead screw is provided with a manual pull rod;
and the movable supporting component is used for supporting the impact device body and is arranged at the bottom of the impact moving mechanism.
As a further implementation manner, the impact moving mechanism comprises a frame body and a moving main body installed inside the frame body, the impact drill rod is connected with the moving main body, and the axis of the impact drill rod is horizontally arranged.
As a further implementation mode, the pulley is connected with the connecting support through the pulley mounting plate, and the connecting support is detachably connected with the impact moving mechanism.
As a further implementation manner, the connecting bracket is composed of two connecting plates, one end of each connecting plate forms a first opening, and the other end of each connecting plate forms a second opening; the first opening size is larger than the second opening size.
As a further implementation manner, the movable support assembly comprises a support frame and a cart, the support frame is mounted at one end of the bottom of the impact device body, and the other end of the bottom of the impact device body is detachably connected with the cart.
As a further implementation mode, one end of the screw rod is rotationally connected with the support frame through a pull rod, and the other end of the screw rod is rotationally connected with the impact moving mechanism through a rotating sleeve; the angle of the supporting frame can be changed by rotating the manual lever.
As a further implementation mode, a second roller is installed at the bottom of the supporting frame.
As a further implementation, the cart includes a support plate, a first roller mounted at a bottom of the support plate, and an adjustment support.
As a further implementation mode, a hydraulic power source is arranged above the supporting plate, and a damping rubber pad is installed at the bottom of the hydraulic power source.
In a second aspect, the embodiment of the invention further provides a method for replacing the movable impact type large pin shaft, the replacement device is adopted, under the action of the hydraulic drive source, the impact moving mechanism outputs the circular impact force, the impact moving mechanism transmits the impact force to the impact drill rod, and the impact drill rod adjusts the working position through the fine adjustment mechanism to complete the action of the impact traction pin.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
(1) the impact drill rod of one or more embodiments of the invention performs reciprocating impact motion under the action of the impact moving mechanism, realizes impact on the traction pin, has high impact efficiency and stable impact force, has impact speed more than 10 times of that of the original manual hammering method, saves maintenance time and improves the service efficiency of vehicles.
(2) One or more embodiments of the invention are provided with a fine adjustment mechanism, the impact position is accurate, and the fine adjustment mechanism can be adjusted according to actual needs; easy operation and control.
(3) One or more embodiments of the invention save manpower, operate safely, have greatly reduced the original unpredictable job risk; and saves the overhaul space resources and the equipment resources.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;
FIG. 2 is a schematic illustration of a hydraulic power source according to one or more embodiments of the present disclosure;
FIG. 3 is a schematic view of an impact drill rod and a micro-adjustment mechanism according to one or more embodiments of the present invention;
FIG. 4 is a schematic illustration of a portion of a micro-adjustment mechanism according to one or more embodiments of the present disclosure;
FIG. 5 is a schematic diagram of an adjustment mechanism according to one or more embodiments of the present disclosure;
FIG. 6 is a schematic illustration of an adjustment support portion according to one or more embodiments of the present disclosure;
the device comprises a hydraulic power source 1, a hydraulic power source 2, an impact drill rod 3, an adjusting mechanism 4, a fine adjustment mechanism 5, an impact moving mechanism 6, an adjusting support piece 7, an electric appliance control box 8, a support plate 9, a first roller 10, a second roller 11, a support frame 12, a connecting support 13, a pulley 14, a penetrating pin 15, a pulley mounting plate 16, a screw rod 17, a manual pull rod 18, a pull rod 19 and a rotating sleeve.
Detailed Description
The first embodiment is as follows:
the embodiment provides a mobile impact type large pin shaft replacing device, wherein a large pin shaft refers to a traction pin for connecting a rear axle of a dump truck and a crossbeam; as shown in fig. 1, the replacing device comprises an impact device body, an adjusting mechanism 3, a fine adjustment mechanism 4, a movable supporting component, a hydraulic power source 1 and an electrical appliance control box 7, wherein the movable supporting component is installed at the bottom of the impact device body, the adjusting mechanism 3 is connected below the impact device body, and the fine adjustment mechanism 4 is installed at one end of the impact device body.
And an electrical appliance control box 7 is installed on one side of the impact device body, and the impact device body is connected with the hydraulic power source 1 through a pipeline. The electrical control box 7 mainly comprises electronic components such as a relay, a current controller, an alarm lamp and an emergency stop button, and is not repeated herein for the existing structure.
Further, the movable support assembly comprises a support frame 11 and a trolley, the support frame 11 is installed at one end of the bottom of the impact device body, and the other end of the bottom of the impact device body is detachably connected with the trolley. The hydraulic power source 1 is arranged on the cart, and the impact cyclic reciprocating action is realized by controlling a small electric cabinet of the hydraulic power source 1 and a remote controller control electromagnetic valve in a remote control mode.
In this embodiment, the top of the supporting frame 11 is rotatably connected to the main body of the impact device, and it is a triangular supporting frame structure, and the bottom is provided with the second roller 10.
The cart comprises a supporting plate 8, an adjusting supporting piece 6, a first roller 9 and a pushing hand, and the hydraulic power source 1 and the impact device body are both arranged on the upper surface of the supporting plate 8. As shown in fig. 2, a shock absorbing rubber pad is installed at the bottom of the hydraulic power source 1 to reduce vibration.
In this embodiment, there are two adjusting supports 6, one first roller 9, two adjusting supports 6 mounted at one end of the bottom of the supporting plate 8, and a first roller 9 mounted at the other end of the bottom of the supporting plate 8; the first roller 9 and the two adjusting supports 6 form a triangular structure.
Preferably, as shown in fig. 6, the adjusting support member 6 is a high-strength anchor, the high-strength anchor is in threaded connection with the support plate 8, and the support height is adjusted by rotating the threads, so that the whole mechanism can be prevented from collapsing or generating extra vibration due to large span during normal operation. It is understood that in other embodiments, the number of the first rollers 9 and the adjusting supports 6 may be other.
Further, the impact device body comprises an impact drill rod 2 and an impact moving mechanism 5, the impact drill rod 2 is connected with the impact moving mechanism 5, the impact moving mechanism 5 drives the impact drill rod 2 to reciprocate, and the impact drill rod 2 transmits the circulating impact force of the power source to the pin shaft to be replaced. The impact moving mechanism 5 is connected with an electric appliance control box 7, and the impact moving mechanism 5 is controlled to start and stop through the electric appliance control box 7.
Further, the impact moving mechanism 5 includes a frame body and a moving body installed inside the frame body; in this embodiment, the frame body is the type of falling L, and backup pad 8 is connected to the frame body bottom. The impact drill rod 2 is connected with the moving body, and the axis of the impact drill rod 2 is horizontally arranged. In this embodiment, the moving body is a hydraulic breaker head, and the impact force is generated by the impact drill rod 2 by supplying hydraulic oil to the hydraulic breaker head.
Preferably, for a drag pin with a diameter of 140, the diameter of the impact shank 2 is 53, which results in an optimal impact effect.
As shown in fig. 3 and 4, the fine adjustment mechanism 4 is connected to the frame body and located below the impact rod 2. Further, the fine adjustment mechanism 4 comprises a connecting bracket 12, a pulley mounting plate 15 and a pulley 13; the connecting bracket 12 is composed of two connecting plates, the connecting plates are special-shaped plates, one ends of the two connecting plates form a first opening for connecting the frame body, and the other ends of the two connecting plates form a second opening for connecting the pulley 13; wherein the first opening size is larger than the second opening size.
Furthermore, the connecting plate comprises a first section, a second section and a third section which are connected into a whole, wherein the second section is an inclined section, and the first section is parallel to the third section. The first section is detachably connected with the frame body, such as bolted connection. The pulley 13 is connected to the third section of the connection plate by a pulley mounting plate 15.
Furthermore, the number of the pulley mounting plates 15 is two, the pulley 13 is rotatably connected between the two pulley mounting plates 15, and the pulley mounting plates 15 are connected with the connecting plate through the through pins 14; the pulley 13 is in contact with the impact drill rod 2 and plays a role in guiding and supporting the impact drill rod 2. By adjusting the inclination angle of the pulley mounting plate 15, the impact drill rod 2 is ensured to keep a correct free floating position, and the influence on maintenance and replacement operation caused by abrasion of an impact body shaft hole during operation of the device is avoided.
As shown in fig. 5, the adjusting mechanism 3 includes a screw 16 and a manual lever 17, the manual lever 17 is axially installed along the screw 16, one end of the screw 16 is connected to the supporting frame 11 through a pull rod 18, and the other end is connected to the frame body through a rotating sleeve 19. The impact position is preliminarily set through the adjusting mechanism 3, so that the replacing device is more suitable for complex operation environments.
Furthermore, one end of the pull rod 18 is hinged with the support frame 11, the other end of the pull rod is provided with a threaded hole, and the lead screw 16 penetrates through the threaded hole of the pull rod 18; the end of the lead screw 16 forms a hinge structure with the frame body through a rotating sleeve 19. Due to the difference of the positions of the pin shafts, the screw rod 16 is rotated by rotating the manual plate rod 17, the support frame 11 is pulled by the pull rod 18 under the action of the threaded hole, the angle of the support frame 11 is adjusted, and therefore the impact position is positioned.
The advantage of the steady efficient of this embodiment utilization hydraulic transmission, the control of passing through the solenoid valve with great pressure, the circulation acts on round pin epaxially to realize the purpose of mechanical automation operation, convert artifical hammering into the impact part and strike, make work safer, change in the operation more, more save the manual work.
Example two:
the embodiment provides a method for replacing a movable impact type large pin shaft, the replacing device of the first embodiment is adopted, a motor is controlled to rotate through a remote controller to drive a pump station to output hydraulic power, power distribution is controlled through a control electromagnetic valve, a circulating impact force is output by an impact moving mechanism 5, the impact moving mechanism 5 transmits the impact force to an impact drill rod 2, and the impact drill rod 2 impacts a traction pin through accurate working position adjustment, so that the mounting or dismounting operation is realized.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a remove large-scale round pin axle of impacted style and change device which characterized in that includes:
the impact device body comprises an impact drill rod and an impact moving mechanism, and the impact moving mechanism can provide circulating reciprocating power for the impact drill rod;
the fine adjustment mechanism comprises a pulley which is contacted with the bottom of the impact drill rod, and the pulley is connected with the impact moving mechanism through a connecting bracket;
the adjusting mechanism is positioned below the impact drill rod and comprises a lead screw which is rotationally connected with the impact moving mechanism, and the lead screw is provided with a manual pull rod;
and the movable supporting component is used for supporting the impact device body and is arranged at the bottom of the impact moving mechanism.
2. The device for replacing the large mobile impact pin shaft according to claim 1, wherein the impact moving mechanism comprises a frame body and a moving body arranged inside the frame body, the impact drill rod is connected with the moving body, and the axis of the impact drill rod is horizontally arranged.
3. A mobile impact type large pin shaft replacing device according to claim 1, wherein the pulley is connected with the connecting bracket through a pulley mounting plate, and the connecting bracket is detachably connected with the impact moving mechanism.
4. A mobile impact type large pin shaft replacing device according to claim 3, wherein the connecting bracket is composed of two connecting plates, one end of each connecting plate forms a first opening, and the other end of each connecting plate forms a second opening; the first opening size is larger than the second opening size.
5. The device for replacing the large movable impact pin shaft according to claim 1, wherein the movable support assembly comprises a support frame and a cart, the support frame is mounted at one end of the bottom of the impact device body, and the other end of the bottom of the impact device body is detachably connected with the cart.
6. The device for replacing the large mobile impact pin shaft according to claim 5, wherein one end of the screw rod is rotatably connected with the support frame through a pull rod, and the other end of the screw rod is rotatably connected with the impact moving mechanism through a rotating sleeve; the angle of the supporting frame can be changed by rotating the manual lever.
7. A mobile impact large pin shaft replacing device according to claim 6, wherein the bottom of the support frame is provided with a second roller.
8. A mobile impact large pin shaft replacing device according to claim 5, wherein the cart comprises a support plate, a first roller mounted at the bottom of the support plate and an adjusting support member.
9. The device for replacing the large mobile impact pin shaft according to claim 8, wherein a hydraulic power source is arranged above the supporting plate, and a damping rubber pad is arranged at the bottom of the hydraulic power source.
10. A method for replacing a large movable impact pin shaft is characterized in that a replacing device according to any one of claims 1 to 9 is adopted, a circular impact force is output by an impact moving mechanism under the action of a hydraulic driving source, the impact moving mechanism transmits the impact force to an impact drill rod, and the impact drill rod adjusts the working position through a fine adjustment mechanism to complete the action of an impact traction pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390555.1A CN113146204A (en) | 2021-04-12 | 2021-04-12 | Mobile impact type large-scale pin shaft replacing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390555.1A CN113146204A (en) | 2021-04-12 | 2021-04-12 | Mobile impact type large-scale pin shaft replacing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113146204A true CN113146204A (en) | 2021-07-23 |
Family
ID=76890022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110390555.1A Pending CN113146204A (en) | 2021-04-12 | 2021-04-12 | Mobile impact type large-scale pin shaft replacing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113146204A (en) |
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2021
- 2021-04-12 CN CN202110390555.1A patent/CN113146204A/en active Pending
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