CN219299190U - Chain transmission suspended door - Google Patents
Chain transmission suspended door Download PDFInfo
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- CN219299190U CN219299190U CN202320780657.9U CN202320780657U CN219299190U CN 219299190 U CN219299190 U CN 219299190U CN 202320780657 U CN202320780657 U CN 202320780657U CN 219299190 U CN219299190 U CN 219299190U
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- cross beam
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Abstract
The utility model discloses a chain transmission suspension door which comprises a main portal frame, an auxiliary portal frame, a door row body and a driving mechanism, wherein the door row body is connected in the main portal frame in a sliding manner, the driving mechanism is used for driving the door row body to horizontally reciprocate, and the door row body comprises an upper cross beam, a lower cross beam and a plurality of main vertical rods vertically arranged between the upper cross beam and the lower cross beam; the lower beam is a hollow cavity structure with a cavity inside, a pulley block in the supporting frame pulley block mechanism is arranged in the cavity of the lower beam, and the driving mechanism comprises a driving member, a driving gear fixedly arranged at the power output end of the driving member and a transmission member meshed with the driving gear; the transmission component comprises a fixed support arranged on the ground, a rotating shaft arranged on the fixed support in a rotating way, a transmission gear and a chain wheel respectively fixedly arranged at two ends of the rotating shaft, and a chain arranged in a cavity of the lower cross beam, wherein the transmission gear is meshed with the driving gear, and the chain wheel is meshed with the chain. The utility model has the advantages of convenient installation and strong operation stability, and is suitable for the entrances and exits of various places such as enterprises, workshops and the like.
Description
Technical Field
The utility model relates to a suspension door, in particular to a chain transmission suspension door.
Background
The suspended door is an electric door which can be opened and closed in a suspended manner without wheels or running tracks and pre-buried guide rails, can still run stably on uneven ground or when snow and ice are accumulated on the ground, and is widely applied to the entrance and exit of large places such as enterprises, plants, communities and the like. However, the existing suspended door has the following defects:
(1) The driving mechanism of the existing suspended door generally comprises a driving motor, a gear assembly and a rack, when the suspended door works, the door row body is opened and closed through a transmission mode of the gear and the rack, however, the tooth pitch of the rack in the existing suspended door is generally larger, and the stability of the gear and the rack in the transmission process is poor, so that the running stability of the suspended door is affected. In addition, rack size in the current suspended door is great, and manufacturing cost is high to the rack is easy to wear in the use, and later maintenance replacement cost is also high, simultaneously because the size of rack is big, weight is big, needs two people to lift up the rack and cooperate the installation on the bottom end rail during the installation, and the installation is very inconvenient and the degree of difficulty is big, and the installation is wasted time and energy.
(2) The existing suspended door is generally provided with two fixed supporting pulley blocks at intervals, the pulley blocks in the fixed supporting pulley blocks are arranged in a cavity of the lower cross beam, the bottom of the suspended door can be supported, the height of the fixed supporting pulley blocks is fixed, when the ground for installing the suspended door is not horizontal, after the door row body is assembled on the two fixed supporting pulley blocks, the door row body can incline, and the running stability of the suspended door is affected.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide a chain transmission suspension door so as to achieve the purposes of reducing production cost, reducing maintenance cost and improving running stability.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the chain transmission suspension door comprises a main portal frame, an auxiliary portal frame, a door row body in sliding connection with the main portal frame, and a driving mechanism for driving the door row body to horizontally reciprocate, wherein the door row body comprises an upper cross beam, a lower cross beam and a plurality of main vertical rods vertically arranged between the upper cross beam and the lower cross beam; the lower beam is a hollow cavity structure with a cavity inside, a pulley block in a supporting frame pulley block mechanism fixedly arranged on the ground is arranged in the cavity of the lower beam, and the driving mechanism comprises a driving member, a driving gear fixedly arranged at the power output end of the driving member and a transmission member meshed with the driving gear; the transmission component comprises a fixed support arranged on the ground, a rotating shaft arranged on the fixed support in a rotating manner, a transmission gear and a chain wheel respectively fixedly arranged at two ends of the rotating shaft, and a chain arranged in a cavity of the lower cross beam, wherein the transmission gear is meshed with the driving gear, and the chain wheel is meshed with the chain.
As a limitation of the utility model, the supporting frame pulley block mechanism comprises a fixed supporting pulley block fixedly arranged on the ground and positioned between the main portal frames and an adjustable supporting pulley block fixedly arranged on the ground and positioned at the rear end of the lower beam; the adjustable supporting pulley block comprises a bottom plate fixedly arranged on the ground, a plurality of screw rods arranged on the bottom plate, a movable plate connected to the screw rods in a sliding manner, a limiting piece which is connected to each screw rod in a threaded manner and used for limiting the movable plate, a supporting plate arranged on the movable plate and a plurality of pulley blocks arranged on the supporting plate; the pulley block comprises guide wheels connected to two sides of the supporting plate through connecting rods, and the guide wheels are rotationally connected with the connecting rods.
As another limitation of the utility model, the door row body further comprises a barrier unit and a diagonal draw bar, wherein the barrier unit and the diagonal draw bar are arranged between the upper cross beam and the lower cross beam and are positioned between two adjacent main vertical rods, and the barrier unit is composed of a plurality of auxiliary vertical rods which are arranged at intervals.
As a further limitation of the utility model, two sides of each fence unit of the door row body are respectively provided with an X-shaped cross inclined rod, wherein four end parts of each cross inclined rod are fixedly connected with four end parts of the same side surfaces of two main vertical rods which are close to the fence unit.
As a still further limitation of the present utility model, the upper beam is slidably connected to the main gantry by two clamping wheels disposed on the main gantry on both sides of the upper beam.
As a further limitation of the utility model, a rear riding wheel is also arranged for supporting the tail part of the lower cross beam in the door row body; the rear riding wheel comprises a riding wheel bracket and a roller wheel rotatably connected to the riding wheel bracket.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
(1) The utility model is provided with a driving mechanism which comprises a driving member, a driving gear, a transmission gear, a chain wheel and a chain, wherein the driving member drives the driving gear to rotate when in operation, the driving gear drives the transmission gear and the chain wheel to rotate, then the chain wheel drives the chain to horizontally move, and finally the chain drives the door row body to move. The utility model realizes the movement of the door row body by adopting the mode of the chain wheel and the chain transmission, and the transmission stability between the chain wheel and the chain is higher due to the smaller pitch of the chain, thereby effectively improving the running stability of the utility model. In addition, the chain adopted by the utility model has small size and light weight, on one hand, the production cost can be reduced, the cost is correspondingly reduced when the chain needs to be maintained and replaced in the later period, on the other hand, when the chain is installed, only one person is required to easily pick up the chain, and then the two ends of the chain are respectively assembled in the cavity of the lower beam, so that the installation is time-saving and labor-saving, and the installation is simple and convenient.
(2) The adjustable support pulley block and the fixed support pulley block are arranged, when the ground for installing the suspended door is not level, the height of the adjustable support pulley block is adjusted, so that the door row body is in a horizontal state after the suspended door is installed, and the running stability of the suspended door is effectively improved.
(3) The door row body adopts a structural form of combining an upper cross beam, a lower cross beam, a main vertical rod, a diagonal draw bar, a barrier unit and an X-shaped crossed diagonal draw bar, so that the strength of the door row body structure is improved, and the stability of the door row body structure is effectively improved.
(4) The utility model is provided with two clamping wheels which can limit the upper cross beam of the door row body so as to prevent the upper part of the door row body from shaking during operation.
In summary, the utility model has reasonable structure and convenient installation, and by adopting the form of chain wheel and chain transmission and matching with the adjustable supporting pulley block, the clamping wheel and the rear riding wheel, the running stability of the utility model is effectively improved, the use experience of users is improved, and the adopted chain has small size and light weight, thereby reducing the production cost, the maintenance and replacement cost and being convenient for workers to install. The utility model is suitable for the entrances and exits of various places such as enterprises, factories, communities and the like.
Drawings
The utility model will be described in more detail below with reference to the accompanying drawings and specific examples.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic side view of a driving mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a driving mechanism according to an embodiment of the present utility model;
FIG. 4 is a schematic view of an adjustable support pulley block according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a rear supporting roller in an embodiment of the present utility model;
FIG. 6 is a schematic diagram of the connection relationship between the clamping wheel and the upper beam and the main portal frame in the embodiment of the utility model;
in the figure: 1. a main portal frame; 2. an upper cross beam; 3. a lower cross beam; 4. a main vertical rod; 5. a crossed diagonal rod; 6. a diagonal draw bar; 7. a driving mechanism; 8. a fixed support pulley block; 9. an adjustable support pulley block; 10. a rear riding wheel; 11. an auxiliary portal frame; 12. an auxiliary vertical rod; 13. a clamping wheel; 14. a clamping wheel bracket; 71. a driving motor; 72. a drive gear; 73. a fixed bracket; 74. a rotating shaft; 75. a bearing; 76. a transmission gear; 77. a sprocket; 78. a chain; 91. a bottom plate; 92. a screw rod; 93. a moving plate; 94. a support plate; 95. pulley block; 96. a first adjustment nut; 97. a second adjustment nut; 101. a riding wheel bracket; 102. a horizontal round bar; 103. and a roller.
Detailed Description
Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are presented for purposes of illustration and understanding only, and are not intended to limit the utility model.
Embodiment a chain drive suspended door
As shown in fig. 1, the present embodiment includes a main gantry 1, a sub-gantry 11, a row body slidably connected in the main gantry 1, and a driving mechanism 7 for driving the row body to reciprocate horizontally.
The auxiliary portal frame 11 is of an existing structure, is arranged on one side far away from the main portal frame 1, and is matched with the door row body to open and close the channel.
The door row body comprises an upper cross beam 2, a lower cross beam 3, a plurality of main vertical rods 4 vertically arranged between the upper cross beam 2 and the lower cross beam 3, a barrier unit and a diagonal draw bar 6, wherein the barrier unit is arranged between the upper cross beam 2 and the lower cross beam 3 and positioned between two adjacent main vertical rods 4, the length of the upper cross beam 2 is smaller than that of the lower cross beam 3, the barrier unit is composed of a plurality of auxiliary vertical rods 12 which are arranged at intervals, and in the embodiment, the barrier unit is composed of eleven auxiliary vertical rods 12; one end of the diagonal draw bar 6 is connected with one end of the upper cross beam 2, which is far away from the auxiliary portal frame 11, and the other end of the diagonal draw bar is connected with one end of the lower cross beam 3, which is far away from the auxiliary portal frame 11. Further, two sides of each barrier unit are respectively provided with an X-shaped cross inclined rod 5, wherein four end parts of each cross inclined rod 5 are fixedly connected with four end parts of the same side surfaces of two main vertical rods 4 which are close to the barrier unit. Specifically, the lower cross beam 3 is an existing structure and is a hollow cavity structure with a cavity inside.
As shown in fig. 2 and 3, the driving mechanism 7 comprises a driving member, a driving gear 72 fixedly arranged at the power output end of the driving member, and a transmission member meshed with the driving gear 72; the transmission member comprises a fixed bracket 73 arranged on the ground, a rotating shaft 74 rotatably arranged on the fixed bracket 73, a transmission gear 76 and a chain wheel 77 respectively fixedly arranged at two ends of the rotating shaft 74, and a chain 78 arranged in a cavity of the lower cross beam 3, wherein the chain 78 is arranged in a through length way along the length direction of the lower cross beam 3, two ends of the chain 78 are fixed on the lower cross beam 3 through bolts, the transmission gear 76 is meshed with the driving gear 72, and the chain wheel 77 is meshed with the chain 78. In the present utility model, the driving means employs a driving motor 71, and a rotation shaft 74 is rotatably provided on a fixing bracket 73 through a bearing 75.
As shown in fig. 6, the upper beam 2 is slidably connected with the main gantry 1 through two clamping wheels 13 disposed on the main gantry 1 and located on two sides of the upper beam 2, the clamping wheels 13 are pulleys of an existing structure, specifically, the clamping wheels 13 are disposed on the main gantry 1 through a clamping wheel bracket 14, and the clamping wheels 13 are rotatably connected to the clamping wheel bracket 14.
The pulley block 95 in the supporting frame pulley block mechanism fixed on the ground is arranged in the cavity of the lower cross beam 3. The supporting frame pulley block mechanism comprises a fixed supporting pulley block 8 which is fixedly arranged on the ground and positioned between the main portal frames 1 and an adjustable supporting pulley block 9 which is fixedly arranged on the ground and positioned at the rear end of the lower cross beam 3. As shown in fig. 4, the adjustable supporting pulley block 9 comprises a bottom plate 91 fixed on the ground, a plurality of screw rods 92 arranged on the bottom plate 91, a movable plate 93 slidably connected on the screw rods 92, a limiting piece for limiting the movable plate 93, a supporting plate 94 arranged on the movable plate 93 and a plurality of pulley blocks 95 arranged on the supporting plate 94, wherein the bottom plate 91, the movable plate 93 and the supporting plate 94 are of an existing plate-shaped structure, the pulley blocks 95 comprise guide wheels connected to two sides of the supporting plate through connecting rods, and the guide wheels are rotationally connected with the connecting rods.
Further, in this embodiment, as shown in fig. 4, the adjustable supporting pulley group 9 includes a bottom plate 91 fixed on the ground, four screw rods 92 disposed at four corners on the bottom plate 91, a moving plate 93 provided with four positioning holes, a supporting plate 94 vertically disposed on the moving plate 93, and four pulley groups 95 disposed on the supporting plate 94, where positions and dimensions of the four positioning holes on the moving plate 93 are adapted to positions and dimensions of the four screw rods 92, so that the moving plate 93 is slidably disposed on the four screw rods 92, and a limiting member is screwed on each screw rod 92, and includes a first adjusting nut 96 disposed on an upper surface of the moving plate 93, and a second adjusting nut 97 disposed on a lower surface of the moving plate 93. Two pulley blocks 95 are arranged at the upper end of the supporting plate 94 side by side, the top in the cavity of the lower cross beam 3 is propped against the two pulley blocks 95, and the other two pulley blocks 95 are correspondingly arranged at the lower end of the supporting plate 94 side by side, and the two pulley blocks 95 are propped against the bottom in the cavity of the lower cross beam 3. The fixed supporting pulley block 8 is of an existing structure, and is different from the adjustable supporting pulley block 9 in that the screw rod 92 and the moving plate 93 are not included, and the rest of the structure is the same and is not described herein.
In order to improve the stability of the utility model, the utility model is also provided with a rear riding wheel 10 for supporting the tail part of the lower beam 3 in the door row body, as shown in fig. 5, the tail part of the lower beam 3 in the door row body is placed on the rear riding wheel 10, and the rear riding wheel 10 comprises a riding wheel bracket 101 and a roller 103 which is rotatably connected on the riding wheel bracket 101 through a horizontal round rod 103.
The adjusting method of the adjustable supporting pulley block 9 comprises the following steps: when the height of the adjustable support pulley block 9 needs to be adjusted down, the second adjusting nuts 97 on each screw rod 92 need to be rotated in sequence, so that each second adjusting nut 97 moves downwards to the same height as required, the moving plate 93 slides downwards to be in contact with the second adjusting nuts 97 under the action of gravity, then the first adjusting nuts 96 on each screw rod 92 are screwed in sequence to fix the position of the moving plate 93, and similarly, when the height of the adjustable support pulley block 9 needs to be adjusted up, only the first adjusting nuts 96 on each screw rod 92 need to be rotated in sequence, so that each first adjusting nut 96 moves upwards to the same height as required, then an installer lifts the moving plate 93 to be in contact with one adjusting nut 96, and then screws the second adjusting nuts 97 on each screw rod 92 in sequence to fix the position of the moving plate 93.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but the present utility model is described in detail with reference to the foregoing embodiment, and it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The chain transmission suspension door comprises a main portal frame, an auxiliary portal frame, a door row body in sliding connection with the main portal frame, and a driving mechanism for driving the door row body to horizontally reciprocate, wherein the door row body comprises an upper cross beam, a lower cross beam and a plurality of main vertical rods vertically arranged between the upper cross beam and the lower cross beam; the lower beam is a hollow cavity structure with a cavity inside, and a pulley block in the supporting frame pulley block mechanism fixedly arranged on the ground is arranged in the cavity of the lower beam, and is characterized in that: the driving mechanism comprises a driving member, a driving gear fixedly arranged at the power output end of the driving member and a transmission member meshed with the driving gear;
the transmission component comprises a fixed support arranged on the ground, a rotating shaft arranged on the fixed support in a rotating manner, a transmission gear and a chain wheel respectively fixedly arranged at two ends of the rotating shaft, and a chain arranged in a cavity of the lower cross beam, wherein the transmission gear is meshed with the driving gear, and the chain wheel is meshed with the chain.
2. A chain driven suspended door as claimed in claim 1, wherein: the support frame pulley block mechanism comprises a fixed support pulley block which is fixedly arranged on the ground and positioned between the main portal frames, and an adjustable support pulley block which is fixedly arranged on the ground and positioned at the rear end of the lower beam;
the adjustable supporting pulley block comprises a bottom plate fixedly arranged on the ground, a plurality of screw rods arranged on the bottom plate, a movable plate connected to the screw rods in a sliding manner, a limiting piece which is connected to each screw rod in a threaded manner and used for limiting the movable plate, a supporting plate arranged on the movable plate and a plurality of pulley blocks arranged on the supporting plate; the pulley block comprises guide wheels connected to two sides of the supporting plate through connecting rods, and the guide wheels are rotationally connected with the connecting rods.
3. A chain driven suspended door as claimed in claim 1 or 2, characterised in that: the door row body further comprises a barrier unit and a diagonal draw bar, wherein the barrier unit and the diagonal draw bar are arranged between the upper cross beam and the lower cross beam and between two adjacent main vertical rods, and the barrier unit is composed of a plurality of auxiliary vertical rods arranged at intervals.
4. A chain driven floating door as defined in claim 3, wherein: two sides of each barrier unit of the gate row body are respectively provided with an X-shaped cross inclined rod, wherein four end parts of each cross inclined rod are fixedly connected with four end parts of the same side surfaces of two main vertical rods which are close to the barrier unit.
5. The chain driven floating door of claim 4 wherein: the upper beam is in sliding connection with the main portal frame through two clamping wheels arranged on the main portal frame and positioned on two sides of the upper beam.
6. The chain driven suspended door of claim 5, wherein: the rear riding wheel is used for supporting the tail part of the lower cross beam in the door row body; the rear riding wheel comprises a riding wheel bracket and a roller wheel rotatably connected to the riding wheel bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320780657.9U CN219299190U (en) | 2023-04-11 | 2023-04-11 | Chain transmission suspended door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320780657.9U CN219299190U (en) | 2023-04-11 | 2023-04-11 | Chain transmission suspended door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299190U true CN219299190U (en) | 2023-07-04 |
Family
ID=86949578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320780657.9U Active CN219299190U (en) | 2023-04-11 | 2023-04-11 | Chain transmission suspended door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116988703A (en) * | 2023-09-27 | 2023-11-03 | 广东图特精密五金科技股份有限公司 | Different-direction linkage hanging wheel for sliding door |
-
2023
- 2023-04-11 CN CN202320780657.9U patent/CN219299190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116988703A (en) * | 2023-09-27 | 2023-11-03 | 广东图特精密五金科技股份有限公司 | Different-direction linkage hanging wheel for sliding door |
| CN116988703B (en) * | 2023-09-27 | 2023-12-05 | 广东图特精密五金科技股份有限公司 | Different-direction linkage hanging wheel for sliding door |
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