CN211178981U - Impact test device for forklift overhead guard - Google Patents
Impact test device for forklift overhead guard Download PDFInfo
- Publication number
- CN211178981U CN211178981U CN201921807933.6U CN201921807933U CN211178981U CN 211178981 U CN211178981 U CN 211178981U CN 201921807933 U CN201921807933 U CN 201921807933U CN 211178981 U CN211178981 U CN 211178981U
- Authority
- CN
- China
- Prior art keywords
- frame body
- overhead guard
- steel frame
- impact
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of fork truck overhead guard, concretely relates to fork truck overhead guard impact test device. The steel frame body is erected on the underframe mechanism; the upper end of the steel frame body is provided with a hoisting mechanism through a fixing plate, the hoisting mechanism comprises a rotating shaft, a roller and a pneumatic clutch are respectively sleeved on the rotating shaft, the input end of the rotating shaft is connected with the output end of a reduction gearbox through the pneumatic clutch, and the input end of the reduction gearbox is connected with the output end of a motor; the roller is hung with an impact block through a steel cable, so that the impact block is hung above the overhead guard of the forklift; and starting the motor, and enabling the impact block to be lifted or to fall under the action of gravity through locking and separation of the pneumatic clutch so as to complete the impact test on the forklift overhead guard. The utility model discloses the convenience is to the lifting by crane of impact block, and the test degree of accuracy is high simultaneously.
Description
Technical Field
The utility model belongs to the technical field of fork truck overhead guard, concretely relates to fork truck overhead guard impact test device.
Background
According to the requirement of the standard GB/T5143-2008, when the forklift overhead guard is subjected to an impact test, 3600mm long building board splicing blocks 800-1000 mm wide building board splicing blocks with the weight of 1360kg are required to be freely released from corresponding heights and smashed right above the overhead guard. The existing domestic forklift enterprises generally adopt a mode of connecting a traveling crane with a disengaging mechanism to lift a heavy block to carry out impact tests on the forklift overhead guard. The test method has the disadvantages that firstly, the lifting height of the weight is difficult to control accurately, secondly, the weight is easy to swing in the moment of falling impact to cause impact force deviation, and thirdly, the weight is formed by splicing building templates, so that certain potential safety hazards exist in the phenomenon that fragments are easy to splash after the weight is impacted.
SUMMERY OF THE UTILITY MODEL
The weak point that exists to prior art, the utility model provides a fork truck overhead guard impact test device solves the problem among the above-mentioned background art, can the free control impact block lift by crane the height, still need to guarantee simultaneously that the impact block can not appear swing phenomenon and then guarantee fork truck overhead guard impact test's quality suddenly whereabouts impact process.
The utility model discloses a concrete technical scheme does:
a forklift overhead guard impact test device comprises a plate-shaped chassis mechanism, a steel frame body and a hoisting mechanism, wherein the steel frame body is vertically arranged on the chassis mechanism, and the hoisting mechanism is horizontally arranged at the upper end of the steel frame body through a fixing plate 5;
the hoisting mechanism comprises a rotating shaft 41, a roller 42, a pneumatic clutch 43, a reduction gearbox 44 and a motor 45;
the roller 42 and the pneumatic clutch 43 are sleeved on the rotating shaft 41, the roller 42 is suspended with the impact block 6 through a steel cable 46, so that the impact block 6 is suspended inside the steel frame body, and the pneumatic clutch 43 is communicated with a compressed air input port through a compressed air input pipe 431;
the output end of the motor 45 is connected with the input end of the reduction box 44, and the output end of the reduction box 44 is connected with the rotating shaft 41 through the pneumatic clutch 43;
during testing, the forklift overhead guard 1 is fixed on an underframe mechanism in the steel frame body; starting the motor 45 and locking the pneumatic clutch 43, and enabling the rotating shaft 41 to be powered to rotate so that the impact block 6 is lifted; and (3) stopping the motor 45, separating the pneumatic clutch 43, and enabling the impact block 6 to descend under the action of gravity when the rotating shaft 41 loses power so as to finish the impact test on the forklift overhead guard 1.
Further, the steel frame body comprises an upper frame body and a lower frame body, the upper frame body comprises a pair of upper door frames 21 which are parallel to each other, the lower frame body comprises a pair of lower door frames 22 which are parallel to each other, the pair of upper door frames 21 are erected on the pair of lower door frames 22, and the cross beams of the pair of upper door frames 21 are perpendicular to the cross beams of the pair of lower door frames 22; the impact block 6 is located between a pair of upper gantries 21.
Further, the impact block 6 is a rectangular parallelepiped block, the length direction of the rectangular parallelepiped block is parallel to the cross beams of the pair of upper door frames 21, and the width of the rectangular parallelepiped block is matched with the distance between the pair of upper door frames 21, so that the impact block 6 is horizontally positioned between the pair of upper door frames 21 and can vertically move up and down.
Further, two sides of the upper frame body extending in the longitudinal direction are uniformly provided with protective nets 211.
Further, the longitudinal extension length of the lower frame body is greater than that of the upper frame body, and a horizontal reinforcing rod is arranged between the lower parts of the upper door frames 21.
Further, chassis mechanism includes the shaft-like trench iron 3 that four above parallel were laid, the bottom and the 3 fixed connection of trench iron of steel frame body, and the longitudinal direction of extension of steel frame body is the same with the extending direction of trench iron 3.
Further, the fixed plate 5 is horizontally erected in the middle of the upper end of the steel frame body, the mounting plate 51 is horizontally arranged at the upper end of the fixed plate 5, the rotating shaft 41 is fixed on the mounting plate 51 through a shaft seat, and the axial direction of the rotating shaft 41 is the same as the longitudinal extension direction of the steel frame body.
Furthermore, the mounting plate 51 and the fixing plate 5 are provided with notches corresponding to the roller 42, so that the overhanging end of the steel cable 46 wound on the roller 42 sequentially passes through the notches of the mounting plate 51 and the fixing plate 5, and the impact block 6 is hung.
The utility model has the advantages of as follows:
1. in the impact test device for the forklift overhead guard of the utility model, the impact block is lifted or put down, and the impact block is positioned in the steel frame body, so that the offset and the danger are avoided; meanwhile, the output end of a motor in the lifting mechanism is connected with the input end of the reduction gearbox, the rotating shaft is connected with the output end of the reduction gearbox through the pneumatic clutch, when the pneumatic clutch is locked, the rotating shaft rotates to drive the roller to rotate, and then the impact block is lifted, when the pneumatic clutch is separated, the rotating shaft loses external force to rotate, but the impact block falls under the action of gravity, an impact test is carried out on the forklift overhead guard, the lifting difficulty of the impact block can be greatly reduced, and the test accuracy is further ensured.
2. The utility model discloses a steel frame body fixes on the subway plate, the impact block hangs up or descends in steel frame body's last frame, the impact block is the cuboid block simultaneously, and the length direction of cuboid block and the crossbeam of a pair of last portal are parallel, the width of cuboid block and a pair of distance between the last portal cooperate, further inject the impact block level and be located between a pair of last portal, and reciprocate perpendicularly, can prevent that the impact block from appearing the swing phenomenon at the in-process that falls down, assurance test accuracy and security.
3. The utility model discloses the both sides equipartition of the longitudinal extension of last framework is equipped with the protection network, prevents to strike the phenomenon that the piece splashes after the piece strikes, eliminates the potential safety hazard easily.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the hoisting mechanism of the present invention.
Wherein: 1-a forklift overhead guard; 21-a pair of upper gantries; 22-a pair of lower gantries; 211-protective screening; 3-ground trough iron; 41-rotating shaft; 42-a roller; 43-a pneumatic clutch; 431-compressed air inlet pipe; 44-reduction gearbox; 45-motor; 46-a steel cord; 5, fixing a plate; 51-a mounting plate; 6-impact block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
A forklift overhead guard impact test device comprises an underframe mechanism, a steel frame body and a hoisting mechanism, wherein the steel frame body is vertically positioned on the underframe mechanism, and the hoisting mechanism is horizontally arranged at the upper end of the steel frame body through a fixing plate 5;
the hoisting mechanism comprises a rotating shaft 41, a roller 42, a pneumatic clutch 43, a reduction gearbox 44 and a motor 45;
the roller 42 and the pneumatic clutch 43 are both sleeved on the rotating shaft 41, the roller 42 is suspended with the impact block 6 through a steel cable 46, so that the impact block 6 is suspended inside the steel frame body, the output end of the motor 45 is connected with the input end of the reduction gearbox 44, and the output end of the reduction gearbox 44 is connected with the rotating shaft 41 through the pneumatic clutch 43; meanwhile, the reduction gearbox 44 has an electrified protection function, and the reduction gearbox 44 cannot rotate reversely under the action of the gravity of the impact block 6 after the motor 45 stops working.
The pneumatic clutch 43 is communicated with the compressed air inlet through the compressed air inlet pipe 431, when the compressed air is introduced into the compressed air inlet pipe 431, the pneumatic clutch 43 is locked, and the pneumatic clutch 43 is combined with the rotating shaft 41 at the moment, so that the torque transmitted by the motor 45 through the reduction gearbox 44 is transmitted to the rotating shaft 41; when the input of the compressed air is stopped, the pneumatic clutch 43 is disengaged, and at this time, the pneumatic clutch 43 and the rotary shaft 41 are separated, and the rotary shaft 41 loses power.
During testing, the forklift overhead guard 1 is fixed on the underframe mechanism and is positioned inside the steel frame body; starting the motor 45 and locking the pneumatic clutch 43, and enabling the rotating shaft 41 to be powered to rotate so that the impact block 6 is lifted; and (3) stopping the motor 45, separating the pneumatic clutch 43, and enabling the impact block 6 to descend under the action of gravity when the rotating shaft 41 loses power so as to finish the impact test on the forklift overhead guard 1.
The steel frame body comprises an upper frame body and a lower frame body, the upper frame body comprises a pair of upper door frames 21 which are parallel to each other, the lower frame body comprises a pair of lower door frames 22 which are parallel to each other, the pair of upper door frames 21 are erected on the pair of lower door frames 22, and the cross beams of the pair of upper door frames 21 are perpendicular to the cross beams of the pair of lower door frames 22; the impact block 6 is located between a pair of upper gantries 21.
The impact block 6 is a cuboid block, the length direction of the cuboid block is parallel to the cross beams of the pair of upper door frames 21, and the width of the cuboid block is matched with the distance between the pair of upper door frames 21, so that the impact block 6 is horizontally positioned between the pair of upper door frames 21 and can vertically move up and down. The impact block 6 is prevented from generating offset swing when falling, and potential safety hazards are prevented.
Two sides of the longitudinal extension of the upper frame body are uniformly provided with protective nets 211. The phenomenon that fragments are easy to splash after the impact block 6 impacts is prevented.
The longitudinal extension of the lower frame is greater than the longitudinal extension of the upper frame, and a horizontal stiffener is provided between the lower portions of each upper mast 21. The strength of the whole steel frame body is increased.
The chassis mechanism comprises six rod-shaped subway 3 which are arranged in parallel, the bottom end of the steel frame body is fixedly connected with the subway 3, and the longitudinal extension direction of the steel frame body is the same as the extension direction of the subway 3.
The fixed plate 5 is horizontally erected in the middle of the upper end of the steel frame body, the mounting plate 51 is horizontally arranged at the upper end of the fixed plate 5, the rotating shaft 41 is fixed on the mounting plate 51 through a shaft seat, and the axial direction of the rotating shaft 41 is the same as the longitudinal extending direction of the steel frame body. The installation plate 51 is arranged to facilitate the installation of the hoisting mechanism and simultaneously facilitate the ensuring of the coaxiality of the installation of the roller 42, the pneumatic clutch 43, the reduction gearbox 44 and the like.
The mounting plate 51 and the fixing plate 5 are provided with notches corresponding to the roller 42, so that the overhanging end of the steel cable 46 wound on the roller 42 sequentially passes through the notches of the mounting plate 51 and the fixing plate 5, and the impact block 6 is hung.
The specification and model of specific parts in the test device and technical parameters are as follows: the pneumatic clutch 43 is a pneumatic clutch of NAC10 type; the impact block 6 is made of a building-grade plate material, the size of the impact block is 3600mm x 900mm, and the weight of the impact block is 2500 Kg; the height range of the impact block 6 lifted relative to the forklift overhead guard 1 is as follows: 0-4000 mm; the model of the motor 45 is a speed reducing motor S57-V1.14P-70.04-M1-0-A, and the control voltage is 220V.
During the test, the following operation steps are carried out:
step (1): positioning and installing the forklift overhead guard 1 and the steel frame body on the underframe mechanism, so that the forklift overhead guard 1 is positioned inside the steel frame body and is positioned right below the impact block 6;
step (2): starting the motor, introducing compressed air into the compressed air input pipe 431 to lock the pneumatic clutch 43, slowly driving the rotating shaft 41 to rotate by the rotation of the motor 45 through the reduction gearbox 44 at the moment, rotating the rotating shaft 41 to rotate the roller 42, and hoisting the impact block 6;
and (3): when the impact block 6 is lifted to the test height, the motor 45 is shut down; when the impact block 6 is in a stable state, stopping introducing compressed air into the pneumatic clutch 43, separating the pneumatic clutch 43, and enabling the impact block 6 to fall under the action of gravity to perform an impact test on the forklift overhead guard 1;
and (4): and (4) repeating the steps (2) to (3) to carry out multiple impact tests on the forklift canopy guard 1 by the impact block 6. And completing the impact test of the forklift overhead guard.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a fork truck overhead guard impact test device which characterized in that: the steel frame lifting mechanism comprises a plate-shaped underframe mechanism, a steel frame body and a lifting mechanism, wherein the steel frame body is vertically arranged on the underframe mechanism, and the lifting mechanism is horizontally arranged at the upper end of the steel frame body through a fixing plate (5);
the hoisting mechanism comprises a rotating shaft (41), a roller (42), a pneumatic clutch (43), a reduction gearbox (44) and a motor (45);
the rotary shaft (41) is sleeved with the rotary drum (42) and the pneumatic clutch (43), the impact block (6) is suspended on the rotary drum (42) through a steel cable (46), the impact block (6) is located inside the steel frame body, and the pneumatic clutch (43) is communicated with a compressed air inlet through a compressed air input pipe (431);
the output end of the motor (45) is connected with the input end of the reduction box (44), and the output end of the reduction box (44) is connected with the rotating shaft (41) through the pneumatic clutch (43);
during testing, the forklift overhead guard (1) is fixed on an underframe mechanism in the steel frame body; starting a motor (45), locking a pneumatic clutch (43), and enabling a rotating shaft (41) to rotate by power so that an impact block (6) is hoisted; and (3) stopping the motor (45), separating the pneumatic clutch (43), losing power of the rotating shaft (41) to enable the impact block (6) to descend under the action of gravity, and completing the impact test on the forklift overhead guard (1).
2. The impact test device for the forklift overhead guard according to claim 1, characterized in that: the steel frame body comprises an upper frame body and a lower frame body, the upper frame body comprises a pair of upper door frames (21) which are parallel to each other, the lower frame body comprises a pair of lower door frames (22) which are parallel to each other, the pair of upper door frames (21) are erected on the pair of lower door frames (22), and the cross beams of the pair of upper door frames (21) and the pair of lower door frames (22) are vertical; the impact block (6) is positioned between a pair of upper door frames (21).
3. The impact test device for the forklift overhead guard according to claim 2, characterized in that: the impact block (6) is a cuboid block, the length direction of the impact block is parallel to the cross beams of the pair of upper door frames (21), and the width of the cuboid block is matched with the distance between the pair of upper door frames (21), so that the impact block (6) is horizontally positioned between the pair of upper door frames (21) and can vertically move up and down.
4. The impact test device for the forklift overhead guard according to claim 2, characterized in that: two sides of the upper frame body extending longitudinally are uniformly provided with protective nets (211).
5. The impact test device for the forklift overhead guard according to claim 2, characterized in that: the longitudinal extension length of the lower frame body is larger than that of the upper frame body, and a horizontal reinforcing rod is arranged between the lower parts of the upper door frames (21).
6. The impact test device for the forklift overhead guard according to claim 1, characterized in that: the chassis mechanism comprises more than four rod-shaped ground channel irons (3) which are arranged in parallel, the bottom end of the steel frame body is fixedly connected with the ground channel irons (3), and the longitudinal extending direction of the steel frame body is the same as the extending direction of the ground channel irons (3).
7. The impact test device for the forklift overhead guard according to claim 1, characterized in that: the fixed plate (5) is horizontally erected in the middle of the upper end of the steel frame body, the mounting plate (51) is horizontally arranged at the upper end of the fixed plate (5), the rotating shaft (41) is fixed on the mounting plate (51) through the shaft seat, and the axial direction of the rotating shaft (41) is the same as the longitudinal extending direction of the steel frame body.
8. The impact test device for the forklift overhead guard according to claim 7, wherein: the mounting plate (51) and the fixing plate (5) are provided with notches corresponding to the roller (42), so that the overhanging end of the steel cable (46) wound on the roller (42) sequentially passes through the notches on the mounting plate (51) and the fixing plate (5) to suspend the impact block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807933.6U CN211178981U (en) | 2019-10-25 | 2019-10-25 | Impact test device for forklift overhead guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807933.6U CN211178981U (en) | 2019-10-25 | 2019-10-25 | Impact test device for forklift overhead guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178981U true CN211178981U (en) | 2020-08-04 |
Family
ID=71809928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921807933.6U Active CN211178981U (en) | 2019-10-25 | 2019-10-25 | Impact test device for forklift overhead guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211178981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849634A (en) * | 2019-10-25 | 2020-02-28 | 安徽合力股份有限公司 | Impact test device for forklift overhead guard |
| CN111982539A (en) * | 2020-09-15 | 2020-11-24 | 吉林大学 | Vehicle or rack protective guard detection test bed |
-
2019
- 2019-10-25 CN CN201921807933.6U patent/CN211178981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849634A (en) * | 2019-10-25 | 2020-02-28 | 安徽合力股份有限公司 | Impact test device for forklift overhead guard |
| CN111982539A (en) * | 2020-09-15 | 2020-11-24 | 吉林大学 | Vehicle or rack protective guard detection test bed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211178981U (en) | Impact test device for forklift overhead guard | |
| CN110228743B (en) | Overhead two-to-one suspension ratio construction elevator for elevator shaft traction and operation method thereof | |
| CN107043060A (en) | A kind of installation method of inverse formula installation lift | |
| CN205590191U (en) | Prevent overload formula building tower crane | |
| CN212459241U (en) | Bridge tunnel foundation bearing capacity detection device | |
| CN107401164A (en) | A kind of mechanical piling machine in small building building site | |
| CN110849634A (en) | Impact test device for forklift overhead guard | |
| CN206308626U (en) | Operating platform for installing bridge pier pier shaft top hanging basket | |
| CN210480530U (en) | Elevator shaft traction overhead two-to-one suspension ratio construction elevator | |
| CN218893051U (en) | Step stone traction track device | |
| CN101768925B (en) | Mounting equipment of beam falling prevention stopping block and construction method thereof | |
| CN105033600B (en) | Mill liner disassembly and assembly auxiliary tool and working method thereof | |
| CN213902806U (en) | Novel stone falling impact test device for tunnel escape pipe | |
| CN206318647U (en) | Hoist bridge motor dismantling device | |
| CN205816653U (en) | A kind of precast stair steel reinforcement cage colligation operating platform | |
| CN111891919B (en) | Method for replacing and hoisting window cleaning machine of high building | |
| CN109763638A (en) | A kind of high-altitude overhanging facade special type working vehicle and its construction method | |
| CN212052563U (en) | Scaffold for water conservancy construction | |
| CN209097990U (en) | A kind of engineering construction lift car protective device | |
| CN209740630U (en) | Intelligent detection system for hanging basket anti-falling device | |
| CN206635823U (en) | Weight for engineering foundation pile strain detecting lifts percussion mechanism | |
| CN106744182A (en) | The multi-functional mounting platform of elevator hoistways part | |
| CN207361625U (en) | A kind of tunnel fixed gantry crane | |
| CN204702444U (en) | The aerial self-locking of tower crane hoist rope and system for unlocking | |
| CN104261271B (en) | Mobile hoisting suspension bracket equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |