CN213793570U - Civil air defense door straightening device - Google Patents
Civil air defense door straightening device Download PDFInfo
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- CN213793570U CN213793570U CN202022860203.1U CN202022860203U CN213793570U CN 213793570 U CN213793570 U CN 213793570U CN 202022860203 U CN202022860203 U CN 202022860203U CN 213793570 U CN213793570 U CN 213793570U
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- air defense
- civil air
- defense door
- straightening device
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Abstract
The utility model discloses a civil air defense door straightening device, which comprises a base, wherein a mounting plate is arranged in the middle of the base in parallel, and a plurality of upper pinch rollers and a plurality of lower pinch rollers are arranged between the mounting plates; the upper pinch rollers are mutually connected through a transmission chain in a transmission way, and a transmission shaft of the upper pinch roller at one side is sequentially connected with the speed reducer and the driving motor in a transmission way; the lower pinch roller frame is arranged on the movable frame, the movable frame is horizontally arranged, the base is provided with a hydraulic jacking cylinder, and the output end of the hydraulic jacking cylinder is fixedly connected with the bottom surface of the movable frame. The utility model discloses can solve the problem that civil air defense is with angle steel aligning precision and inefficiency among the prior art, simple structure, accuracy are good, efficient.
Description
Technical Field
The utility model relates to the field of machining, concretely relates to people's air defense door straightener.
Background
The civil air defense equipment is an important component part for national defense and preparation, and mainly comprises protective equipment, chemical defense equipment and the like, wherein the protective equipment is mainly formed by welding various steel structures, and the welding quantity of the structures is relatively large. At present, a door frame component in protective equipment is composed of a plurality of angle steels, pressure-bearing strips, inclined flat steels and the like with different specifications, and domestic civil air defense enterprises mainly adopt manual assembly of the angle steels firstly and then carry out full-welding operation processes of the pressure-bearing strips and the inclined flat steels aiming at welding of civil air defense door frames, so that the problems of low welding speed, low productivity and the like exist.
Because the maximum length of the angle steel in the door frame structure reaches about 10m, after full welding is completed, the angle steel is distorted and deformed to a large extent, so that the structural flatness and the straightness of the final door frame cannot meet the design requirements of drawings, and the protective airtight protection effect on a protective area in a war state cannot be realized.
Therefore, it is critical and important to improve the welding efficiency of the civil air defense door frame and the overall productivity of the civil air defense enterprise and solve the problem of deformation of the angle steel in the door frame.
Currently, there are straightening devices on the market for civil air defense door frames, but the number is very small and the structural forms are different. A point-correction type jack straightening device is designed by civil defense enterprises, but the problem that the angle steel is partially bent can be solved, the problem that personnel needs to continuously and repeatedly perform manual measurement, and the measurement accuracy and the straightening efficiency are relatively low exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned among the prior art, provide one kind can solve the people's air defense door straightener of the problem of angle steel aligning precision and efficiency not enough for people's air defense door among the prior art.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the civil air defense door straightening device comprises a base, wherein a mounting plate is arranged in the middle of the base in parallel, and a plurality of upper pressing wheels and a plurality of lower pressing wheels are arranged between the mounting plates; the upper pinch rollers are mutually connected through a transmission chain in a transmission way, and a transmission shaft of the upper pinch roller at one side is sequentially connected with the speed reducer and the driving motor in a transmission way; the lower pinch roller frame is arranged on the movable frame, the movable frame is horizontally arranged, the base is provided with a hydraulic jacking cylinder, and the output end of the hydraulic jacking cylinder is fixedly connected with the bottom surface of the movable frame.
The utility model provides an above-mentioned people's air defense door straightener's main beneficial effect lies in:
the utility model provides a people's air defense door straightener, through a plurality of pinch rollers of going up and pinch roller cooperation down, guarantee to correspond the crooked aligning effect that is used for the angle steel of growing up of people's air defense door. The angle steel between the lower press wheels on the device is straightened by hydraulic pressure through arranging a horizontal movable frame and a hydraulic jacking cylinder; the upper pressing wheel is driven to rotate by the driving motor, so that the angle steel is driven to automatically move forwards, the long and large angle steel is automatically straightened, manpower is saved, and the efficiency is improved.
Drawings
FIG. 1 is a schematic view showing the construction of a civil air defense door straightening device.
Figure 2 is an external view of the civil air defense door straightening device.
Figure 3 is a top view of the civil air defense door straightening apparatus.
Fig. 4 is a schematic structural view of the movable frame.
The device comprises a base 1, a base 11, a mounting plate 12, a rotating bearing 13, a guide sliding block 14, a guide seat 2, a driving motor 21, a support 22, a speed reducer 23, a transmission chain 24, a transmission gear 25, a transmission shaft 3, a pressing wheel 31, a movable frame 32, a hydraulic jacking cylinder 33, a guide shaft 4, an upper pressing wheel 41, a fixed wheel 42, a mounting ring piece 43, a connecting ring piece 44 and a retainer ring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, it is a schematic structural view of a manguard door straightening device.
The utility model discloses a people's air defense door straightener includes base 1, as shown in fig. 2 and 3, parallel arrangement has mounting panel 11 in the middle of the base 1, is provided with a plurality of pinch rollers 4 and a plurality of pinch roller 3 down between mounting panel 11, through last pinch roller 4 and 3 cooperations of pinch roller down, meets with the top and bottom of angle steel to realize the straightening of the angle steel of growing up.
The upper pinch rollers 4 are in transmission connection with each other through the transmission chain 23, the transmission shaft 25 of each upper pinch roller 4 positioned on the same side is provided with the transmission gear 24, and the transmission gear 24 is in fit connection with the transmission chain 23 so as to realize the transmission between the upper pinch rollers 4. And a transmission shaft 25 of the upper pressure wheel 4 on the other side opposite to the transmission gear 24 is in transmission connection with the speed reducer 22 and the driving motor 2 in turn. The driving motor 2 and the decelerator 22 are mounted on the mounting plate 11 through a bracket 21.
The lower pinch roller 3 is erected on a movable frame 31, as shown in fig. 4, the movable frame 31 is horizontally arranged, a hydraulic jacking cylinder 32 is arranged on the base 1, and the output end of the hydraulic jacking cylinder 32 is fixedly connected with the bottom surface of the movable frame 31.
Specifically, a guide seat 14 is installed at the bottom of the base 1, and a guide slider 13 having the same height as the guide seat 14 is arranged on the installation plate 11. The guide seat 14 and the guide sliding block 13 are connected with the side surfaces of the angle steel, which are not connected with the upper pressing wheel 4 and the lower pressing wheel 3, so that part of the weight of the angle steel is borne, and the angle steel is prevented from deforming in the straightening process.
Preferably, the upper pressing wheel 4 includes a fixed wheel 41 sleeved on the transmission shaft 25, and a plurality of mounting ring pieces 42 and connecting ring pieces 43 are detachably mounted on the fixed wheel 41. The outer diameter of the connecting ring 43 is smaller than the outer diameter of the mounting ring 42.
The two sides of the upper pressure wheel 4 are symmetrically provided with retaining rings 44, the retaining rings 44 are sleeved on the transmission shaft 25, and the outer diameter of the retaining rings 44 is larger than the outer diameter of the fixed wheel 41 and smaller than the outer diameter of the connecting ring piece 43. The position of the mounting ring plate 42 and the connecting ring plate 43 is restricted by the retainer ring 44.
The mounting plate 11 is symmetrically provided with detachable rolling bearings 12, and the transmission shaft 25 is erected on the rolling bearings 12. By removing the rotary bearing 12, the drive shaft 25 can be pulled out of the retainer ring 44 to remove the mounting ring segments 42 and the connecting ring segments 43.
The thickness of the connecting ring pieces 43 is different from each other, and the thickness of the mounting ring pieces 42 is different from each other. The angle steel is suitable for civil air defense doors of different sizes.
Preferably, the outer side surfaces of the mounting ring plate 42 and the connecting ring plate 43 are frosted surfaces to ensure the fixing effect.
A plurality of guide shafts 33 are arranged between the movable frame 31 and the base 1 to ensure that the movable frame 31 is maintained in a horizontal state in the up-and-down movement process.
The following is the working principle explanation of the civil air defense door straightening device provided by the scheme:
the angle steel for the civil air defense door frame extends into the device from one side of the guide seat and then pushes the angle steel to the position of one end and the lower pinch roller 3 at the other side, one side surface of the angle steel is horizontal and is lapped with the guide slide block 13, and the other side surface of the angle steel is vertically arranged and is positioned between the grooves formed by the two adjacent mounting ring sheets 42. Then the device is started to make the hydraulic jacking cylinder 32 work and straighten the angle steel between the lower pinch rollers 3. And maintaining the state of the hydraulic jacking cylinder 32, starting the driving motor 2, and driving the angle steel to continuously move, so that automatic straightening is realized.
The foregoing description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
Claims (10)
1. A civil air defense door straightening device is characterized by comprising a base, wherein a mounting plate is arranged in the middle of the base in parallel, and a plurality of upper pressing wheels and a plurality of lower pressing wheels are arranged between the mounting plates;
the upper pinch rollers are mutually connected through a transmission chain in a transmission way, and a transmission shaft of the upper pinch roller at one side is sequentially connected with the speed reducer and the driving motor in a transmission way;
the lower pinch roller frame is arranged on the movable frame, the movable frame is horizontally arranged, the base is provided with a hydraulic jacking cylinder, and the output end of the hydraulic jacking cylinder is fixedly connected with the bottom surface of the movable frame.
2. The civil air defense door straightening device according to claim 1, wherein a guide seat is installed at the bottom of the base, and a guide slide block with the same height as the guide seat is arranged on the installation plate.
3. The civil air defense door straightening device according to claim 2, wherein the upper pressing wheel comprises a fixed wheel sleeved on the transmission shaft, and a plurality of mounting ring sheets and connecting ring sheets are arranged on the fixed wheel.
4. The civil air defense door straightening device according to claim 3, wherein the outer diameter of the connecting ring pieces is smaller than the outer diameter of the mounting ring pieces.
5. The civil air defense door straightening device according to claim 4, wherein the two sides of the upper pressure wheel are symmetrically provided with check rings, the check rings are sleeved on the transmission shaft, and the outer diameters of the check rings are larger than that of the fixed wheel and smaller than that of the connecting ring piece.
6. The civil air defense door straightening device according to claim 5, wherein the connecting ring pieces are different in thickness from each other, and the mounting ring pieces are different in thickness from each other.
7. The civil air defense door straightening device according to claim 6, wherein the outer side surfaces of the mounting ring sheet and the connecting ring sheet are frosted surfaces.
8. The civil air defense door straightening device according to claim 7, wherein a plurality of guide shafts are arranged between the movable frame and the base.
9. The civil air defense door straightening device according to claim 1, wherein the drive motor and the reducer are mounted on the mounting plate through a support.
10. The civil air defense door straightening device according to claim 1, wherein the mounting plates are symmetrically provided with detachable rotating bearings, and the transmission shaft is erected on the rotating bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022860203.1U CN213793570U (en) | 2020-12-03 | 2020-12-03 | Civil air defense door straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022860203.1U CN213793570U (en) | 2020-12-03 | 2020-12-03 | Civil air defense door straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213793570U true CN213793570U (en) | 2021-07-27 |
Family
ID=76942223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022860203.1U Active CN213793570U (en) | 2020-12-03 | 2020-12-03 | Civil air defense door straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213793570U (en) |
-
2020
- 2020-12-03 CN CN202022860203.1U patent/CN213793570U/en active Active
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