CN214880044U - Platform load limiting structure - Google Patents
Platform load limiting structure Download PDFInfo
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- CN214880044U CN214880044U CN202121056900.XU CN202121056900U CN214880044U CN 214880044 U CN214880044 U CN 214880044U CN 202121056900 U CN202121056900 U CN 202121056900U CN 214880044 U CN214880044 U CN 214880044U
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- fixedly connected
- platform
- fixed plate
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- 238000005303 weighing Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model discloses a platform load limit structure, concretely relates to mechanical structure field, including work platform and base, work platform's side fixedly connected with symmetric distribution's first fixed plate, the bottom of first fixed plate is rotated through the free bearing and is connected with the spring holder, the side fixedly connected with symmetric distribution's of base second fixed plate, the top of second fixed plate is passed through the free bearing and is connected with the one end rotation of keeping away from first fixed plate of spring holder, the inside of base is provided with clamping mechanism, the top clamp of base presss from both sides the lower flat board that has the four corners to distribute. The utility model discloses utilize the four-point principle of weighing, increase the check weighing machine structure for fire control platform and high altitude platform operator's life guarantee is advanced perfect again, changes the situation that platforms such as range estimation, weighing are inaccurate in the past and reach, and the structure is simplified, application scope is wide, do not receive the arm support structure restriction, be convenient for installation, maintenance.
Description
Technical Field
The utility model relates to a limit structure, more specifically says, the utility model relates to a platform load limit structure.
Background
The elevating platform fire truck is provided with a hydraulic elevating platform for fire fighters to ascend to rescue high-rise buildings, tall facilities, oil tanks and other fires, rescue trapped personnel, rescue valuable goods and materials and complete other rescue tasks.
However, in actual use, the existing working platform of the fire engine has no load limiting device, generally, the weight value limitation of the graphic representation of the label and the amplitude limit limitation of the graphic representation of the working amplitude range are limited, the loaded value of the working platform can only be estimated by experience, so that the accurate scientific value cannot be reached, the working utilization rate of the working platform cannot be fully and reasonably utilized, the safety guarantee has no basis, the efficiency is low, and the economy is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior art problem, embodiments of the present invention provide a platform load limiting structure to solve the problems presented in the above background art.
Platform load limit structure, including work platform and base, work platform's side fixedly connected with symmetric distribution's first fixed plate, the bottom of first fixed plate is rotated through the free bearing and is connected with the spring holder, the second fixed plate of the side fixedly connected with symmetric distribution of base, the top of second fixed plate is passed through the free bearing and is rotated with the one end of keeping away from first fixed plate of spring holder and be connected, the inside of base is provided with clamping mechanism, the top clamp of base has the lower flat board of four corners distribution, work platform's bottom fixed mounting has the last flat board of four corners distribution, fixed mounting has weighing sensor between last flat board and the lower flat board.
In order to realize the purpose that the drive plate moves inside the base, clamping mechanism includes the drive seat, the surface of drive seat passes through the inner wall sliding connection of guide rail and base, the bottom fixedly connected with drive plate of drive seat, the top of drive seat is connected with the bottom touching of lower dull and stereotyped, the fixed surface of drive plate installs a plurality of guide pulley, the surface of guide pulley rolls with the inner wall of base and links up, the side fixedly connected with symmetric distribution's of drive plate control block, the surface of control block is connected with the control connecting rod through linking the rotation of axle.
In order to realize the purpose that the control panel moves in the base, the control panel is connected with the inside of base through guide rail sliding and is symmetrically distributed, the surface of control panel is connected with the one end of control connecting rod far away from the control block through the connecting axle and is rotated.
In order to realize the purpose that the control shaft rotates in the base, the control shaft which is symmetrically distributed is rotatably connected in the base through a bearing seat, a control gear is sleeved on the surface of the control shaft in a fixed mode, a control rack is fixedly connected to the top of the control plate, and the control rack is meshed with the control gear.
In order to realize the purpose that the clamping rod rotates inside and outside the base, the surface of the control shaft is fixedly sleeved with a control sleeve, and the surface of the control sleeve is fixedly connected with the clamping rod penetrating through the base.
In order to realize the purpose of fixing the lower flat plate and the weighing sensor, one end of the clamping rod extending out of the base is fixedly connected with a clamping ball, a limiting groove is formed in the side face of the lower flat plate, and the inner wall of the limiting groove is connected with the clamping ball in a clamped mode.
In order to achieve the purpose of automatic reset of the driving plate, a compression spring is fixedly connected to the bottom of the driving plate, and one end, far away from the driving plate, of the compression spring is fixedly connected with the inner wall of the base.
The utility model discloses a technological effect and advantage:
1. compared with the prior art, the fire fighting platform and high-altitude platform operator has the advantages that by arranging the weighing sensor, when the top of the working platform is loaded, the four-point weighing principle is utilized, and signals are transmitted to the electric appliance for control through the weighing sensor between the upper flat plate and the lower flat plate, the purpose of sending signals to stop load is realized, so that the life guarantee of the fire fighting platform and the high-altitude platform operator is further improved, and the inaccurate and inaccurate conditions of the conventional visual inspection, estimation, weighing and the like of the platform are changed;
2. through setting up clamping mechanism, compared with the prior art, through the removal of dull and stereotyped extrusion drive seat down, drive the initiative board and remove inside the base, thereby drive the control block and remove inside the base, utilize the rotation linkage effect of control connecting rod, it removes to drive the control panel, utilize the control rack to be connected with control gear engagement, drive control shaft and control sleeve rotate inside the base, thereby drive clamp rod and rotation, and then make and press from both sides tight ball and spacing groove chucking, thereby simplify equipment fixing and dismantlement procedure, the equipment of being convenient for maintains the maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the structural schematic diagram of the working platform and the base of the present invention.
Fig. 3 is a schematic structural view of the clamping mechanism of the present invention.
The reference signs are: 1. a working platform; 2. a base; 3. a first fixing plate; 4. a spring seat; 5. a second fixing plate; 6. a lower flat plate; 7. an upper flat plate; 8. a weighing sensor; 9. a driving seat; 10. a driving plate; 11. a guide wheel; 12. a control block; 13. a control link; 14. a control panel; 15. a control shaft; 16. a control gear; 17. a control rack; 18. a control sleeve; 19. a clamping lever; 20. clamping the ball; 21. a limiting groove; 22. compressing the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The platform load limiting structure shown in the attached figure 1-2 comprises a working platform 1 and a base 2, wherein the side surface of the working platform 1 is fixedly connected with a first fixing plate 3 which is symmetrically distributed, the bottom of the first fixing plate 3 is rotatably connected with a spring seat 4 through a hinged support, the side surface of the base 2 is fixedly connected with a second fixing plate 5 which is symmetrically distributed, the top of the second fixing plate 5 is rotatably connected with one end, far away from the first fixing plate 3, of the spring seat 4 through a hinged support, the top of the base 2 is clamped with a lower flat plate 6 which is four-angle distributed, the bottom of the working platform 1 is fixedly provided with an upper flat plate 7 which is four-angle distributed, a weighing sensor 8 is fixedly arranged between the upper flat plate 7 and the lower flat plate 6, when the top of the working platform 1 is loaded, the load is stopped by sending a signal by utilizing a four-point weighing principle and transmitting the signal to an electric appliance for control through the weighing sensor 8 between the upper flat plate 7 and the lower flat plate 6.
The platform load limiting structure shown in the attached figures 1 and 3 comprises a base 2, a clamping mechanism is arranged inside the base 2, the clamping mechanism comprises a driving seat 9, the surface of the driving seat 9 is connected with the inner wall of the base 2 in a sliding manner through a guide rail, the bottom of the driving seat 9 is fixedly connected with a driving plate 10, the top of the driving seat 9 is connected with the bottom of a lower flat plate 6 in a touching manner, a plurality of guide wheels 11 are fixedly arranged on the surface of the driving plate 10, the surface of each guide wheel 11 is connected with the inner wall of the base 2 in a rolling manner, control blocks 12 which are symmetrically distributed are fixedly connected to the side surfaces of the driving plate 10, control connecting rods 13 are rotatably connected to the surfaces of the control blocks 12 through connecting shafts, control plates 14 which are symmetrically distributed are slidably connected to the inside of the base 2 through guide rails, the surfaces of the control plates 14 are rotatably connected with one ends, far away from the control blocks 12, of the control rods 13 through the connecting shafts 15 which are symmetrically distributed are rotatably connected to the inside of the base 2 through bearing seats, the surface of the control shaft 15 is fixedly sleeved with a control gear 16, the top of the control plate 14 is fixedly connected with a control rack 17, the control rack 17 is meshed with the control gear 16, the surface of the control shaft 15 is fixedly sleeved with a control sleeve 18, the surface of the control sleeve 18 is fixedly connected with a clamping rod 19 penetrating through the base 2, one end of the clamping rod 19 extending out of the base 2 is fixedly connected with a clamping ball 20, the side surface of the lower flat plate 6 is provided with a limit groove 21, the inner wall of the limit groove 21 is clamped with the clamping ball 20, the bottom of the active plate 10 is fixedly connected with a compression spring 22, one end of the compression spring 22 far away from the active plate 10 is fixedly connected with the inner wall of the base 2, the driving seat 9 is extruded by the lower flat plate 6 to move, the active plate 10 is driven to move in the base 2, so as to drive the control block 12 to move in the base 2, and the rotary connection action of the control connecting rod 13 is utilized, the control plate 14 is driven to move, the control rack 17 is meshed with the control gear 16 to be connected, the control shaft 15 and the control sleeve 18 are driven to rotate inside the base 2, the clamping rod 19 is driven to rotate, the clamping ball 20 is clamped with the limiting groove 21, and therefore the equipment installation and disassembly procedures are simplified, and the equipment is convenient to maintain.
The utility model discloses the theory of operation: when the platform load limiting structure is used, when the top of the working platform 1 is loaded, the four-point weighing principle is utilized, signals are transmitted to an electric appliance to be controlled through the weighing sensor 8 between the upper flat plate 7 and the lower flat plate 6, the load is sent out, the driving seat 9 is extruded through the lower flat plate 6 to move, the driving plate 10 is driven to move inside the base 2, the control block 12 is driven to move inside the base 2, the control plate 14 is driven to move through the rotating connection effect of the control connecting rod 13, the control rack 17 is meshed and connected with the control gear 16, the control shaft 15 and the control sleeve 18 are driven to rotate inside the base 2, the clamping rod 19 is driven to rotate, the clamping ball 20 is clamped with the limiting groove 21, the equipment installation and disassembly procedures are simplified, and the equipment is convenient to maintain.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Platform load limit structure, including work platform (1) and base (2), its characterized in that: the utility model discloses a quick-witted support of work platform, including work platform, first fixed plate (3) of side fixedly connected with symmetric distribution of work platform (1), the bottom of first fixed plate (3) is rotated through the free bearing and is connected with spring holder (4), second fixed plate (5) of side fixedly connected with symmetric distribution of base (2), the top of second fixed plate (5) is passed through the free bearing and is rotated with the one end of keeping away from first fixed plate (3) of spring holder (4) and is connected, the inside of base (2) is provided with clamping mechanism, the top of base (2) presss from both sides tightly has lower flat board (6) that the four corners distributes, the bottom fixed mounting of work platform (1) has last flat board (7) that the four corners distributes, fixed mounting has weighing sensor (8) between last flat board (7) and lower flat board (6).
2. The platform load limiting structure of claim 1, wherein: clamping mechanism includes drive seat (9), the inner wall sliding connection of guide rail and base (2) is passed through on the surface of drive seat (9), the bottom fixedly connected with drive plate (10) of drive seat (9), the top of drive seat (9) is connected with the bottom touching of lower dull and stereotyped (6), the fixed surface of drive plate (10) installs a plurality of guide pulley (11), the surface of guide pulley (11) rolls with the inner wall of base (2) and links up, side fixedly connected with symmetric distribution's of drive plate (10) control block (12), the surface of control block (12) is connected with control connecting rod (13) through linking the rotation of axle.
3. The platform load limiting structure of claim 2, wherein: the inside of base (2) has control panel (14) of symmetric distribution through guide rail sliding connection, the surface of control panel (14) is connected with the one end rotation that control connecting rod (13) kept away from control block (12) through the connecting axle.
4. The platform load limiting structure of claim 3, wherein: the inside of base (2) is connected with control shaft (15) of symmetric distribution through the bearing frame swivelling joint, control gear (16) have been cup jointed to the fixed surface of control shaft (15), the top fixedly connected with control rack (17) of control panel (14), control rack (17) are connected with control gear (16) meshing.
5. The platform load limiting structure of claim 4, wherein: the surface of the control shaft (15) is fixedly sleeved with a control sleeve (18), and the surface of the control sleeve (18) is fixedly connected with a clamping rod (19) penetrating through the base (2).
6. The platform load limiting structure of claim 5, wherein: the clamping rod (19) stretches out one end fixed surface inside the base (2) and is connected with a clamping ball (20), a limiting groove (21) is formed in the side face of the lower flat plate (6), and the inner wall of the limiting groove (21) is connected with the clamping ball (20) in a clamping mode.
7. A platform load-limiting structure according to any one of claims 2 to 6, wherein: the bottom of the driving plate (10) is fixedly connected with a compression spring (22), and one end, far away from the driving plate (10), of the compression spring (22) is fixedly connected with the inner wall of the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056900.XU CN214880044U (en) | 2021-05-17 | 2021-05-17 | Platform load limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056900.XU CN214880044U (en) | 2021-05-17 | 2021-05-17 | Platform load limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214880044U true CN214880044U (en) | 2021-11-26 |
Family
ID=78891474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121056900.XU Expired - Fee Related CN214880044U (en) | 2021-05-17 | 2021-05-17 | Platform load limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214880044U (en) |
-
2021
- 2021-05-17 CN CN202121056900.XU patent/CN214880044U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |