CN220226642U - Rotating rod type bearing supporting device - Google Patents
Rotating rod type bearing supporting device Download PDFInfo
- Publication number
- CN220226642U CN220226642U CN202321386135.7U CN202321386135U CN220226642U CN 220226642 U CN220226642 U CN 220226642U CN 202321386135 U CN202321386135 U CN 202321386135U CN 220226642 U CN220226642 U CN 220226642U
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- cover body
- lifting
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- plate
- base
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- 230000007123 defense Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a rotary rod type bearing support device which comprises a base, a lifting driving device and a cover body, wherein the cover body is arranged on the base and can vertically move relative to the base, the lifting driving device is arranged in the cover body and is matched with the base and used for driving the cover body to lift when in use, a support frame is fixed on one side of the cover body, the support frame synchronously lifts along with the lifting of the cover body, and the support frame is used for supporting a civil air defense door upwards from the bottom of the civil air defense door in a use state. The utility model adjusts the height of the supporting frame by the vertical movement of the cover body relative to the base so as to adapt to the support of the civil air defense doors with different heights, and the utility model is wholly movable, so that the utility model can be placed at a proper position according to actual needs so as to support different civil air defense doors, thereby improving the universality of the utility model on the whole, the base in the utility model can be directly placed on the ground without arranging a foundation pit on the ground, and avoiding damaging the ground of civil air defense projects.
Description
Technical Field
The utility model relates to a rotary rod type bearing support device, and belongs to the field of civil air defense engineering.
Background
The civil air defense door is civil air defense protection equipment for preventing and relieving disasters, and comprises a steel shell and concrete reinforcing steel bars filled in the steel shell, so that the weight of the civil air defense door is large, under normal conditions, the civil air defense door is in an open state to serve as a passage for pedestrians to pass through, and in an open state for a long time, the stress deformation of the hinge parts of the civil air defense door and a door frame can be caused, and the opening and closing of the civil air defense door are affected.
In order to solve the problems, the Chinese patent of the utility model with the authority of CN215485568U discloses a civil air defense door convenient to open and close, which comprises a door body and a door frame, wherein one side of the door body is hinged with the door frame, a foundation pit is arranged on the ground at the normally open position of the door body, a top door assembly is arranged in the foundation pit and used for supporting the door body from the lower part of the door body, the top door assembly is two hydraulic cylinders, piston rods of the two hydraulic cylinders are vertically upwards arranged, the end part of each piston rod is fixedly connected with a supporting block, a cover plate is arranged on the upper cover plate of the foundation pit, and a through hole for the piston rod of the hydraulic cylinder to penetrate out is formed in the cover plate.
The device that above-mentioned patent disclosed that its was used for supporting people's air defense door because need set up the foundation ditch on ground, top door subassembly set up in the foundation ditch, the position of foundation ditch is invariable, and cover the apron at the foundation ditch upper cover, so the top door subassembly position that sets up in the foundation ditch is also relatively fixed, it is inconvenient removal on the whole, can not remove it to suitable position according to actual need, so its top door subassembly is that every people's air defense door is dedicated, the commonality is relatively poor, and the top door subassembly of above-mentioned patent is the pneumatic cylinder, so it needs to set up hydraulic oil feeding system again, the structure of entire system is complicated, the cost is higher, and it sets up the foundation ditch on ground, also be the destruction to people's air defense engineering to a certain extent.
Disclosure of Invention
The utility model aims to provide a rotary rod type bearing support device, which solves the technical defects that the support device of the civil air defense door in the prior art cannot adjust the position according to the needs and has poor universality.
In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a screw-rod type bearing support device, includes the base, goes up and down drive arrangement and the cover body, but the cover body sets up on the base and relative base vertical movement, goes up and down the drive arrangement in the cover body and with the base cooperation for drive the cover body goes up and down when using, one side of the cover body is fixed with the support frame, and the support frame goes up and down in step along with the lift of the cover body, and the support frame is used for upwards supporting the people's air defense door from the bottom of people's air defense door under the user state. The utility model adjusts the height of the supporting frame by the vertical movement of the cover body relative to the base so as to adapt to the support of the civil air defense doors with different heights, and the utility model is wholly movable, so that the utility model can be placed at a proper position according to actual needs so as to support different civil air defense doors, thereby improving the universality of the utility model on the whole, the base in the utility model can be directly placed on the ground without arranging a foundation pit on the ground, and avoiding damaging the ground of civil air defense projects.
As a further improvement of the utility model, the base comprises a supporting plate and a supporting column, the supporting plate is used for being placed on the ground in a use state, the bottom end of the supporting column is fixed with the supporting plate, the cover body is covered on the supporting column, the supporting column is sleeved with a lifting sleeve in threaded fit with the lifting sleeve, the lifting sleeve is connected with a lifting driving device and the cover body, and the lifting driving device drives the lifting sleeve to rotate and is used for driving the cover body to lift. The supporting plate is placed on the ground when in use, the contact area between the supporting plate and the ground is increased, and the supporting column is used for being connected with the cover body and the lifting driving device, so that the cover body can move in the vertical direction, and the supporting plate is suitable for civil air defense doors with different heights.
As a further improvement of the utility model, the lifting driving device is a worm and gear mechanism, two ends of a worm of the worm and gear mechanism are rotationally connected with the cover body, at least one end of the worm extends out of the cover body, a hand wheel is arranged behind the worm extending out of the cover body, a worm wheel of the worm and gear mechanism is sleeved on the lifting sleeve and fixedly connected with the lifting sleeve, a lifting plate which rotates relative to the lifting sleeve is sleeved on the lifting sleeve, the lifting plate is connected with the cover body, and the worm rotates to synchronously lift the lifting sleeve, the lifting plate, the cover body and the supporting frame through the worm wheel. According to the utility model, the worm wheel is driven to rotate by the worm, and then the lifting sleeve and the worm synchronously rotate to enable the lifting sleeve to rotate relative to the supporting column, so that the lifting sleeve can not rotate, and can lift on the supporting column while rotating, thereby driving the worm wheel and worm mechanism, the lifting plate and the cover body to synchronously move up and down.
As a further improvement of the utility model, the bottom end of the lifting sleeve is outwards protruded along the radial direction away from the central line to form an annular supporting ring, the bottom end of the worm wheel of the worm gear mechanism is supported by the supporting ring and is fixedly connected with the supporting ring, and the lifting plate is positioned above the worm wheel. According to the utility model, the worm wheel is supported by the step formed at the outer diameter variation part of the lifting sleeve, so that the worm is conveniently connected with the lifting sleeve.
As a further improvement of the utility model, the lifting sleeve is sleeved with a thrust ball bearing A, the lower base of the thrust ball bearing A is supported by the top of the worm wheel, and the lifting plate is supported by the upper base of the thrust ball bearing A. According to the utility model, the push ball bearing A is arranged between the worm wheel and the lifting plate, so that the lifting plate is not contacted with the worm wheel, and the friction force of relative rotation between the lifting plate and the lifting sleeve is smaller under the action of the push ball bearing A, so that the lifting adjustment of the cover body and the support frame is facilitated.
As a further improvement of the utility model, the utility model also comprises a thrust ball bearing B and more than one fixing nut, wherein the lower base of the thrust ball bearing B is supported by the lifting plate, and the fixing nut is arranged on the support column to be in threaded fit with the support column and press the upper base of the thrust ball bearing B downwards. The utility model is provided with the fixing nut and the thrust ball bearing B, the top of the lifting plate is limited, the lifting plate and the lifting sleeve are prevented from generating relative motion in the vertical direction, and meanwhile, the relative rotation of the lifting plate and the lifting sleeve is not greatly hindered.
As a further improvement of the utility model, the lifting sleeve is also sleeved with a stop nut, and the stop nut is positioned between the thrust ball bearing B and the fixed nut. The utility model is provided with the backstop nut, thereby enhancing the fastening effect of the utility model.
As a further improvement of the utility model, the support column is of hollow structure. The support column is arranged to be of a hollow structure, so that the weight of the utility model is reduced as a whole, and the material consumption of the utility model is reduced.
As a further improvement of the utility model, the bottom of the cover body is provided with a connecting plate A and a connecting plate B, the connecting plate A and the connecting plate B are parallel, two ends of the worm are respectively connected with the connecting plate A and the connecting plate B in a rotating way, two sides of the lifting plate are respectively fixedly connected with the connecting plate A and the connecting plate B, the connecting plate A and the connecting plate B are respectively fixedly connected with the cover body, and the other two sides of the lifting plate are fixedly connected with the cover body. When the cover body is installed, the side connecting plate A, the connecting plate B, the lifting plate and the lifting driving device can be installed on the supporting column, and then the cover body, the connecting plate A, the connecting plate B and the lifting plate are installed, so that the cover body is convenient to install integrally.
As a further improvement of the utility model, a handle is fixed on the top of the cover body for lifting and moving the cover body in the use state. According to the utility model, the lifting handle is arranged on the cover body, so that the cover body can be conveniently moved according to the requirement when in use.
In summary, the beneficial effects of the utility model are as follows: the utility model can move to proper positions according to the needs to support different civil air defense doors, and the utility model changes the height of the supporting frame through the relative movement of the cover body and the base, thereby being suitable for the support of the civil air defense doors with different heights, having good universality, having simple structure, and being convenient for the vertical movement of the cover body and being integrally convenient for the support of the civil air defense doors.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a right side view of the present utility model.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a B-B cross-sectional view of fig. 2.
Wherein: 1. a base; 2. a cover body; 3. a support frame; 4. a support plate; 5. a support column; 6. a lifting sleeve; 7. a worm; 8. a hand wheel; 9. a worm wheel; 10. a lifting plate; 11. a support ring; 12. a thrust ball bearing A; 13. a thrust ball bearing B; 14. a fixing nut; 15. a stop nut; 16. a connecting plate A; 17. a connecting plate B; 18. a handle.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
The utility model relates to a rotary rod type bearing support device shown in fig. 1 to 4, which comprises a base 1, a lifting driving device and a cover body 2, wherein the cross section of the cover body 2 is rectangular, the cover body 2 is arranged on the base 1 and can vertically move relative to the base 1, the lifting driving device is arranged in the cover body 2 and matched with the base 1, the lifting driving device is used for driving the cover body 2 to vertically move relative to the base 1 when in use, a support frame 3 is fixed on one side of the cover body 2, the width of the support frame 3 is slightly smaller than the width of the cover body 2, the support frame 3 is plate-shaped, triangular reinforcing plates are arranged at two sides of the bottom of the support frame 3 and are used for increasing the connection strength of the support frame 3 and the cover body 2, the support frame 3, the cover body 2 and the reinforcing plates are fixed by welding, the support frame 3 is synchronously lifted along with the lifting of the cover body 2, and the support frame 3 is synchronously lifted along with the lifting of the cover body 2 from the bottom of a civil air-defense door in a use state, and the utility model can adjust the height of the support frame 3 according to the height of the bottom of the cover body 2, so that the support frame 3 is suitable for different civil air-defense doors.
The base 1 in the utility model comprises a supporting plate 4 and a supporting column 5, wherein the supporting plate 4 is rectangular plate-shaped, the supporting plate 4 is used for being placed on the ground to support the utility model in a using state, a plurality of through holes A penetrating through the supporting plate 4 are formed in the supporting plate 4, in the using state, the supporting plate 4 can be fixed on the ground through bolts to improve the stability in the using state of the utility model, the bottom end of the supporting column 5 is fixedly connected with the supporting plate 4, the supporting column 5 is vertical to the supporting plate 4, the supporting column 5 is preferably arranged in a hollow structure to reduce the whole weight of the utility model, the supporting column 5 and the supporting plate 4 can be fixed in a welding mode, the cover body 2 is covered on the supporting column 5, a lifting sleeve 6 in threaded fit with the supporting column 5 is sleeved on the supporting column 5, external threads are arranged on the supporting column 5 in the utility model, internal threads of the lifting sleeve 6 are matched with the external threads on the supporting column 5, the lifting sleeve 6 is connected with a lifting driving device and the cover body 2, and the lifting device drives the lifting sleeve 6 to rotate on the supporting column 5, so that the lifting driving device is used for driving the cover body 2 to lift.
The lifting driving device in the utility model preferably adopts a worm and gear mechanism, two ends of a worm 7 of the worm and gear mechanism are rotatably connected with a cover body 2, at least one end of the worm 7 extends out of the cover body 2, the utility model optimally enables one end of the worm 7 to extend out of the cover body 2, a hand wheel 8 is arranged at one end of the worm 7 extending out of the cover body 2, the hand wheel 8 is rotated to drive the worm 7 to rotate, a worm wheel 9 of the worm and gear mechanism is sleeved on a lifting sleeve 6 and fixedly connected with the lifting sleeve 6, so that the lifting sleeve 6 synchronously rotates along with the worm wheel 9, a lifting plate 10 which rotates relatively to the worm wheel is sleeved on the lifting sleeve 6, the utility model preferably provides a through hole B which penetrates through the lifting plate 10, the through hole B is a round hole, the aperture of the through hole B is larger than the outer diameter of the lifting sleeve 6, so as to ensure the lifting plate 10 to rotate relatively to the lifting sleeve 6, the lifting plate 10 is connected with the cover body 2, and the worm 7 rotates to drive the lifting sleeve 6, the lifting plate 10, the cover body 2 and a supporting frame 3 to synchronously lift.
In order to facilitate the fixed connection of the worm wheel 9 and the lifting sleeve 6, the bottom end of the lifting sleeve 6 is outwards protruded along the radial direction far away from the central line to form an annular supporting ring 11, the bottom end of the worm wheel 9 of the worm wheel and worm mechanism is supported by the supporting ring 11 and is fixedly connected with the supporting ring 11, a plurality of fixing holes are uniformly formed on the supporting ring 11 along the circumferential direction, the worm wheel 9 is detachably arranged on the lifting sleeve 6 by adopting bolts which penetrate through the fixing holes and are in threaded fit with the worm wheel 9, and no relative rotation between the worm wheel 9 and the lifting sleeve 6 is ensured, and the lifting plate 10 is positioned above the worm wheel 9.
The lifting sleeve 6 is sleeved with the thrust ball bearing A12, the lower base of the thrust ball bearing A12 is supported by the top of the worm wheel 9, and the lifting plate 10 is supported by the upper base of the thrust ball bearing A12, so that the thrust ball bearing A12 is arranged between the worm wheel 9 and the lifting plate 10, and the relative rotation between the lifting plate 10 and the lifting sleeve 6 is facilitated. The utility model is preferably provided with a thrust ball bearing B13 and more than one fixing nut 14, the lower base of the thrust ball bearing B13 is supported by the lifting plate 10, the fixing nuts 14 are arranged on the supporting column 5 and are in threaded fit with the supporting column 5, and the upper base of the thrust ball bearing B13 is pressed downwards, the utility model is preferably provided with two fixing nuts 14, the two fixing nuts 14 are both arranged on the lifting sleeve 6 and are in threaded fit with the lifting sleeve, and the utility model is provided with external threads at the upper part of the lifting sleeve 6 so as to be matched with the fixing nuts 14, so that the lifting plate 10 and the lifting sleeve 6 are prevented from sliding relatively in the vertical direction and can only rotate relatively. The lifting sleeve 6 is also sleeved with the retaining nut 15, the retaining nut 15 is positioned between the thrust ball bearing B13 and the fixed nut 14, and the retaining nut 15 enhances the fastening effect of the lifting sleeve.
In order to facilitate the installation of the middle cover body 2 of the utility model, the bottom of the cover body 2 is provided with a connecting plate A16 and a connecting plate B17, the connecting plate A16 and the connecting plate B17 are parallel, two ends of a worm 7 are respectively connected with the connecting plate A16 and the connecting plate B17 in a rotating way, a hand wheel 8 is installed after the worm 7 passes through the connecting plate A16, two sides of a lifting plate 10 are respectively and fixedly connected with the connecting plate A16 and the connecting plate B17, the lifting plate 10 and the connecting plate A16 and the connecting plate B17 of the utility model are respectively and detachably connected by bolts, the connecting plate A16 and the connecting plate B17 are respectively and detachably connected with the cover body 2 by more than one bolt, the other two sides of the lifting plate 10 and the cover body 2 are detachably connected by bolts, the side wall heights of the cover body 2 used for being connected with the connecting plate A16 and the connecting plate B17 are smaller than the side wall heights of the other two sides, namely the sum of the side wall heights of the connecting plate A16 and the side of the cover body 2 is equal to the sum of the side wall heights of the cover body 2 and the side of the cover body 2, and the sum of the side wall heights of the side cover body 2 is equal to the thickness of the other thickness of the cover body 2 is equal to the thickness of the cover body 2.
The handle 18 is fixed on the top of the cover body 2 and is used for lifting and moving the cover body 2 in a use state, so that the whole cover body is convenient to move according to the requirement when in use, and the handle 18 is welded on the top end of the cover body 2.
Parts of the above description not specifically described are either prior art or may be implemented by prior art. Moreover, the embodiments of the present utility model are described in the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are to be considered as technical scope of the present utility model.
Claims (10)
1. A swivel rod type bearing support device, its characterized in that: including base (1), lift drive and cover body (2), cover body (2) set up on base (1) and can move perpendicularly relative to base (1), lift drive set up in cover body (2) and with base (1) cooperation for drive cover body (2) go up and down when using, one side of cover body (2) is fixed with support frame (3), and support frame (3) are along with the lift and synchronous lift of cover body (2), and support frame (3) are used for upwards supporting the people's air defense door from the bottom of people's air defense door under the user state.
2. The turnbuckle load bearing support device of claim 1, wherein: the base (1) comprises a supporting plate (4) and a supporting column (5), wherein the supporting plate (4) is used for being placed on the ground in a use state, the bottom end of the supporting column (5) is fixed with the supporting plate (4), the cover body (2) is covered on the supporting column (5), the supporting column (5) is sleeved with a lifting sleeve (6) in threaded fit with the lifting sleeve, the lifting sleeve (6) is connected with a lifting driving device and the cover body (2), and the lifting driving device drives the lifting sleeve (6) to rotate and is used for driving the cover body (2) to lift.
3. The turnbuckle load bearing support device of claim 2, wherein: the lifting driving device is a worm and gear mechanism, two ends of a worm (7) of the worm and gear mechanism are rotationally connected with the cover body (2), at least one end of the worm (7) extends out of the cover body (2), a hand wheel (8) is arranged behind the cover body (2) of the worm (7), a worm wheel (9) of the worm and gear mechanism is sleeved on the lifting sleeve (6) and fixedly connected with the lifting sleeve (6), a lifting plate (10) which rotates relative to the lifting sleeve is sleeved on the lifting sleeve (6), the lifting plate (10) is connected with the cover body (2), and the worm (7) rotates to drive the lifting sleeve (6), the lifting plate (10), the cover body (2) and the supporting frame (3) to synchronously lift.
4. A swivelling lever load bearing support device as claimed in claim 3, wherein: the bottom end of the lifting sleeve (6) protrudes outwards along the radial direction towards the direction far away from the central line to form an annular supporting ring (11), the bottom end of the worm wheel (9) of the worm gear mechanism is supported by the supporting ring (11) and is fixedly connected with the supporting ring (11), and the lifting plate (10) is positioned above the worm wheel (9).
5. The turnbuckle load bearing support device of claim 4 wherein: the lifting sleeve (6) is sleeved with a thrust ball bearing A (12), the lower base of the thrust ball bearing A (12) is supported by the top of the worm wheel (9), and the lifting plate (10) is supported by the upper base of the thrust ball bearing A (12).
6. The turnbuckle load bearing support device of claim 5 wherein: the device further comprises a thrust ball bearing B (13) and more than one fixing nut (14), wherein the lower base of the thrust ball bearing B (13) is supported by the lifting plate (10), and the fixing nuts (14) are arranged on the support column (5) and are in threaded fit with the support column (5) and compress the upper base of the thrust ball bearing B (13) downwards.
7. The turnbuckle load bearing support device of claim 6 wherein: the lifting sleeve (6) is also sleeved with a stop nut (15), and the stop nut (15) is positioned between the thrust ball bearing B (13) and the fixed nut (14).
8. The turnbuckle load bearing support device of any one of claims 2 to 7, wherein: the support column (5) is of a hollow structure.
9. The turnbuckle load bearing support device of any one of claims 3 to 7, wherein: the bottom of the cover body (2) is provided with a connecting plate A (16) and a connecting plate B (17), the connecting plate A (16) is parallel to the connecting plate B (17), two ends of the worm (7) are respectively connected with the connecting plate A (16) and the connecting plate B (17) in a rotating way, two sides of the lifting plate (10) are respectively fixedly connected with the connecting plate A (16) and the connecting plate B (17), the connecting plate A (16) and the connecting plate B (17) are both fixedly connected with the cover body (2), and the other two sides of the lifting plate (10) are fixedly connected with the cover body (2).
10. The turnbuckle load bearing support device of claim 1, wherein: the top of the cover body (2) is fixed with a handle (18) for lifting and moving the cover body (2) in a use state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321386135.7U CN220226642U (en) | 2023-06-02 | 2023-06-02 | Rotating rod type bearing supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321386135.7U CN220226642U (en) | 2023-06-02 | 2023-06-02 | Rotating rod type bearing supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226642U true CN220226642U (en) | 2023-12-22 |
Family
ID=89184072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321386135.7U Active CN220226642U (en) | 2023-06-02 | 2023-06-02 | Rotating rod type bearing supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226642U (en) |
-
2023
- 2023-06-02 CN CN202321386135.7U patent/CN220226642U/en active Active
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