CN217551696U - Automatic arm support bearing press-fitting device for crank arm aerial work platform - Google Patents
Automatic arm support bearing press-fitting device for crank arm aerial work platform Download PDFInfo
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- CN217551696U CN217551696U CN202221099174.4U CN202221099174U CN217551696U CN 217551696 U CN217551696 U CN 217551696U CN 202221099174 U CN202221099174 U CN 202221099174U CN 217551696 U CN217551696 U CN 217551696U
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Abstract
The utility model discloses an automatic press mounting device for a cantilever crane bearing of a high-altitude crank working platform, which comprises a frame, a movable pressing mechanism, a centering mechanism, a hydraulic system and a fixed pressing mechanism; the machine frame is provided with a moving end and a fixed end, the moving pressing mechanism is installed at the moving end of the machine frame in a sliding mode, the centering mechanism, the hydraulic system and the fixed pressing mechanism are all installed at the fixed end of the machine frame, the centering mechanism is located between the moving pressing mechanism and the fixed pressing mechanism, and the hydraulic system is located between the centering mechanism and the fixed pressing mechanism; the movable pressing mechanism and the fixed pressing mechanism are used for pressing the arm support bearing; the centering mechanism is used for centering and clamping the arm support bearing; the hydraulic system is used for providing driving force. The utility model discloses an automatic pressure equipment device of crank arm aerial working platform cantilever crane bearing has solved the problem that crank arm connecting rod bearing assembly efficiency is low, can promote crank arm cantilever crane connecting rod bearing pressure equipment efficiency and pressure equipment quality, reduces intensity of labour.
Description
Technical Field
The utility model relates to an automatic pressure equipment device of bent arm high altitude construction platform cantilever crane bearing belongs to the high altitude construction platform field.
Background
The arm type aerial work platform comprises a telescopic arm type and a crank arm type, the structural form of the crank arm type arm support is a multi-connecting-rod mechanism, and a composite bearing needs to be installed between a connecting rod and a connecting rod. Because of the crank arm connecting rod bearing capacity is big, the compound bearing specification model of junction is great, and compound bearing and shaft hole are interference fit, and the assembly resistance is very big, and because of the material of compound bearing is that glass fiber is unsuitable to adopt the frozen mode of liquid nitrogen to assemble, simultaneously, for guaranteeing bearing assembly quality, do not allow to scribble the lubricating grease in the shaft hole.
The composite bearing of the conventional crank arm connecting rod is assembled in a mode of knocking by a spacer bush and a copper rod, and the labor intensity is high. Meanwhile, the bearings are symmetrically positioned and distributed on two sides of the workpiece, and the workpiece can be assembled only by turning the workpiece for 2 times, so that paint is collided and scratched. In order to guarantee the production requirement of the line body, the connecting rod bearing needs to be preassembled, the press-assembling station needs to be reserved, the waste of the field is caused, and the waste of the action is caused by the once hoisting process.
At present, the bearing press mounting is vertical and horizontal according to the placing style of a workpiece, wherein the vertical type is a standard press machine, and the horizontal type is a C-shaped press machine. For a crank arm aerial work platform, a horizontal press is generally adopted, as shown in figure 1, the crank arm aerial work platform comprises a rack 1, a hydraulic system and the like, a power source adopts hydraulic pressure, an actuating mechanism adopts a hydraulic oil cylinder 2, and the size of the rack and the specification of the hydraulic oil cylinder are designed according to the specification and the press-fitting force requirement of a workpiece.
The horizontal press needs to be matched with a travelling crane for hoisting, the press is hoisted to the position of a workpiece to be pressed and mounted through the travelling crane during use, the axis of the press-mounting shaft is manually adjusted to be parallel to the axis of the bearing to be pressed and mounted, and the problem that the shaft sleeve is extruded to fall off or is extruded to be damaged due to the fact that the axis is not parallel is avoided. Meanwhile, in order to ensure the press-fitting stability, the supporting end is a fixed end during press-fitting, the bearing cannot be installed, the bearing can only be pressed at a movable end, only one bearing can be pressed at a time, and the efficiency is low.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides an automatic pressure equipment device of bent arm high altitude construction platform cantilever crane bearing.
In order to realize the aim, the crank arm aerial work platform arm support bearing automatic press-fitting device comprises a frame, a movable pressing mechanism, a centering mechanism, a hydraulic system and a fixed pressing mechanism, wherein the movable pressing mechanism is arranged on the frame;
the machine frame is provided with a moving end and a fixed end, the moving pressing mechanism is installed at the moving end of the machine frame in a sliding mode, the centering mechanism, the hydraulic system and the fixed pressing mechanism are installed at the fixed end of the machine frame, the centering mechanism is located between the moving pressing mechanism and the fixed pressing mechanism, and the hydraulic system is located between the centering mechanism and the fixed pressing mechanism;
the movable pressing mechanism and the fixed pressing mechanism are used for pressing the arm support bearing; the centering mechanism is used for centering and clamping the arm support bearing; the hydraulic system is used for providing driving force.
As an improvement, the moving end is provided with a sliding rail, and the moving pressing mechanism is arranged on the sliding rail.
As an improvement, the fixed pressing mechanism comprises a fixed pressing frame, a pressing mechanism and a self-adaptive mechanism;
the pressing mechanism and the self-adaptive mechanism are both installed on the fixed pressing frame, the pressing mechanisms are symmetrically arranged on the fixed pressing frame, and pressing oil cylinders are arranged on two sides of the pressing mechanism.
As an improvement, the centering mechanism comprises a centering frame, a positive and negative screw rod and a clamping mechanism, the positive and negative screw rod and the clamping mechanism are both installed on the centering frame, and the positive and negative screw rod drives the clamping mechanism to realize centering and clamping.
As an improvement, the hydraulic system adopts a variable pump.
As an improvement, the device also comprises a control system which is respectively connected with the movable pressing mechanism, the centering mechanism, the hydraulic system and the fixed pressing mechanism.
Compared with the prior art, the utility model discloses an automatic pressure equipment device of crank arm aerial work platform cantilever crane bearing has solved the problem that crank arm connecting rod bearing assembly efficiency is low, can promote crank arm cantilever crane connecting rod bearing pressure equipment efficiency and pressure equipment quality, reduces intensity of labour.
Drawings
FIG. 1 is a schematic view of a conventional horizontal press;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic diagram of the internal structure of the centering mechanism of the present invention;
fig. 4 is a schematic structural view of the fixing and pressing mechanism of the present invention;
in the figure: 1. the device comprises a frame, 11, a slide rail, 12, a fixed end, 2, a hydraulic oil cylinder, 3, a movable pressing mechanism, 4, a centering mechanism, 41, a clamping mechanism, 42, a positive and negative screw rod, 5, a hydraulic system, 6, a fixed pressing mechanism, 61, a fixed pressing frame, 62, a pressing mechanism, 63 and a pressing oil cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 2-4, an automatic press-fitting device for a cantilever crane bearing of a crank arm high-altitude operation platform comprises a frame 1, a movable pressing mechanism 3, a centering mechanism 4, a hydraulic system 5 and a fixed pressing mechanism 6;
the machine frame 1 is provided with a moving end and a fixed end 12, the moving pressing mechanism 3 is installed at the moving end of the machine frame 1 in a sliding mode, the centering mechanism 4, the hydraulic system 5 and the fixed pressing mechanism 6 are all installed at the fixed end 12 of the machine frame 1, the centering mechanism 4 is located between the moving pressing mechanism 3 and the fixed pressing mechanism 6, and the hydraulic system 5 is located between the centering mechanism 4 and the fixed pressing mechanism 6;
the movable pressing mechanism 3 and the fixed pressing mechanism 6 are used for pressing the arm support bearing; the centering mechanism 4 is used for centering and clamping the arm support bearing; the hydraulic system 5 is used for providing driving force.
As an improvement of the embodiment, as shown in fig. 2, the moving end is provided with a slide rail 11, the moving pressing mechanism 3 is mounted on the slide rail 11, and the slide rail 11 enables the moving pressing mechanism 3 to move more conveniently.
As an improvement of the embodiment, as shown in fig. 2 and 4, the fixed pressing mechanism 6 includes a fixed pressing frame 61, a pressing mechanism 62, and an adaptive mechanism, and the adaptive mechanism is used for controlling automatic fitting when the shaft sleeves at the two ends are pressed asynchronously, so as to offset a displacement difference; the pressing mechanism 62 and the self-adaptive mechanism are both mounted on the fixed pressing frame 61, the pressing mechanism 62 is symmetrically arranged on the fixed pressing frame 61, pressing oil cylinders 63 are arranged on two sides of the pressing mechanism 62, and the arm support bearing is pressed by means of the pressing oil cylinders 63 and the pressing mechanism 62.
As an improvement of the embodiment, as shown in fig. 2, the structure of the movable pressing mechanism 3 is basically similar to that of the fixed pressing mechanism 6, the movable pressing mechanism 3 mainly comprises a pressing mechanism, a self-adaptive mechanism and a front and back traveling mechanism, the pressing mechanism is also symmetrically arranged and respectively pressed by the pressing cylinders on two sides, the self-adaptive mechanism is used for controlling automatic fitting when shaft sleeves at two ends are pressed asynchronously, and offsetting displacement difference, and the front and back traveling mechanism is used for adjusting the distance between the movable pressing mechanism 3 and the fixed pressing mechanism 6 so as to meet the press-fitting requirements of products with different lengths.
As an improvement of the embodiment, as shown in fig. 2 and 3, the centering mechanism 4 includes a centering frame, a positive and negative lead screw 42 and a clamping mechanism 41, the positive and negative lead screw 42 and the clamping mechanism 41 are both mounted on the centering frame, and the positive and negative lead screw 42 drives the clamping mechanism 41 to realize centering and clamping of the arm support bearing.
As an improvement of the embodiment, the hydraulic system 5 adopts a variable pump design, the non-working flow is large, the working flow is small at high pressure, the waste of an invalid process is reduced, meanwhile, the press-mounting quality is improved by a slow-pressing technology, the light-load high-speed operation and the heavy-load low-speed operation are realized, and the working efficiency is improved.
As an improvement of the embodiment, the press-fitting machine further comprises a control system which is respectively connected with the movable pressing mechanism 3, the centering mechanism 4, the hydraulic system 5 and the fixed pressing mechanism 6, and the control system is used for carrying out logic control on the hydraulic system 5, the movable pressing mechanism 3, the centering mechanism 4 and the fixed pressing mechanism 6 to realize automatic press-fitting; the control system adopts a pressure feedback and time delay control design, the press fitting resistance is increased after the contact during the work, the pressure of the hydraulic system is increased, whether the press fitting is finished or not is judged according to a set pressure feedback value, the retreating position is controlled in a time delay mode after the press fitting is finished, the invalid stroke is reduced for the next press fitting, and the work efficiency is improved.
Description of the operation flow:
(1) according to the size of the workpiece to be pressed, the position of the movable pressing mechanism 3 is adjusted, and the workpiece to be pressed is hoisted to the pressing device;
(2) placing the composite bearing of the workpiece to be pressed on a corresponding position to be pressed;
(3) pressing down a press-fitting command, wherein the press-fitting device automatically performs press-fitting in the sequence of centering → fixed end → movable end, and automatically completes press-fitting of the composite bearing at the corresponding position;
(4) pressing down a loosening command, automatically loosening the press-mounting device, wherein the loosening sequence is fixed end → movable end → centering, and after complete loosening, hanging away the workpiece to prepare for press-mounting of the next workpiece;
(5) and (5) repeating the steps (1) to (4) until the press mounting is finished.
The utility model discloses a bent arm aerial working platform cantilever crane bearing automatic press fitting device adopts the pressure control technique, realizes the automatic press fitting of many axle sleeves, adopts the time delay design simultaneously, effectively reduces equipment cost can realize the optimum position that moves back, reduces invalid press fitting stroke, promotes work efficiency; the efficient pressure equipment machine wireless control design can realize that the line limit material is gone on with the mode of getting promptly, has optimized the line limit material, cancels the partial shipment station, has reduced work piece turnover hoist and mount number of times, reduces intensity of labour.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (6)
1. The automatic press-fitting device for the crank arm high-altitude operation platform arm support bearing comprises a rack (1), and is characterized by further comprising a movable pressing mechanism (3), a centering mechanism (4), a hydraulic system (5) and a fixed pressing mechanism (6);
the movable pressing mechanism is characterized in that a movable end and a fixed end (12) are arranged on the rack (1), the movable pressing mechanism (3) is installed at the movable end of the rack (1) in a sliding mode, the centering mechanism (4), the hydraulic system (5) and the fixed pressing mechanism (6) are installed at the fixed end (12) of the rack (1), the centering mechanism (4) is located between the movable pressing mechanism (3) and the fixed pressing mechanism (6), and the hydraulic system (5) is located between the centering mechanism (4) and the fixed pressing mechanism (6);
the movable pressing mechanism (3) and the fixed pressing mechanism (6) are used for pressing the arm support bearing; the centering mechanism (4) is used for centering and clamping the arm support bearing; the hydraulic system (5) is used for providing driving force.
2. The automatic press-fitting device for the crank arm high-altitude operation platform arm support bearing as claimed in claim 1, wherein the moving end is provided with a sliding rail (11), and the moving pressing mechanism (3) is arranged on the sliding rail (11).
3. The automatic press-fitting device for the cantilever crane bearing of the crank arm aerial work platform as claimed in claim 1, wherein the fixed pressing mechanism (6) comprises a fixed pressing frame (61), a pressing mechanism (62) and a self-adaptive mechanism;
the pressing mechanism (62) and the self-adaptive mechanism are both installed on the fixed pressing frame (61), the pressing mechanism (62) is symmetrically arranged on the fixed pressing frame (61), and pressing oil cylinders (63) are arranged on two sides of the pressing mechanism (62).
4. The automatic press-fitting device for the cantilever crane bearing of the crank arm aerial work platform as claimed in claim 1, wherein the centering mechanism (4) comprises a centering frame, a positive and negative lead screw (42) and a clamping mechanism (41), the positive and negative lead screw (42) and the clamping mechanism (41) are both mounted on the centering frame, and the positive and negative lead screw (42) drives the clamping mechanism (41) to realize centering and clamping.
5. The automatic press-fitting device for the crank arm high-altitude operation platform arm support bearing as claimed in claim 1, wherein the hydraulic system (5) adopts a variable pump.
6. The automatic press-fitting device for the crank arm high-altitude operation platform arm support bearing as claimed in claim 1, further comprising a control system respectively connected with the moving pressing mechanism (3), the centering mechanism (4), the hydraulic system (5) and the fixed pressing mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221099174.4U CN217551696U (en) | 2022-05-10 | 2022-05-10 | Automatic arm support bearing press-fitting device for crank arm aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221099174.4U CN217551696U (en) | 2022-05-10 | 2022-05-10 | Automatic arm support bearing press-fitting device for crank arm aerial work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217551696U true CN217551696U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221099174.4U Active CN217551696U (en) | 2022-05-10 | 2022-05-10 | Automatic arm support bearing press-fitting device for crank arm aerial work platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217551696U (en) |
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2022
- 2022-05-10 CN CN202221099174.4U patent/CN217551696U/en active Active
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