CN114018655A - Fast disassembling structure of impactor - Google Patents
Fast disassembling structure of impactor Download PDFInfo
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- CN114018655A CN114018655A CN202111126972.1A CN202111126972A CN114018655A CN 114018655 A CN114018655 A CN 114018655A CN 202111126972 A CN202111126972 A CN 202111126972A CN 114018655 A CN114018655 A CN 114018655A
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- 230000036541 health Effects 0.000 abstract description 2
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- 238000009530 blood pressure measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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Abstract
The invention discloses a quick disassembling structure of a striker, which comprises the striker and a disassembling device for quickly disassembling the striker; the impactor comprises a top disc, a plurality of impact discs, a bottom disc, bolts and nuts; the dismounting device comprises a cover plate, a chain wheel transmission assembly and a dismounting assembly, wherein the chain wheel transmission assembly is arranged on the cover plate, and the dismounting assembly is assembled below the chain wheel transmission assembly; the chain wheel transmission assembly comprises at least one primary chain wheel transmission shaft, a plurality of secondary chain wheel transmission shafts and a chain belt; the disassembling component comprises a spanner in floating connection with each secondary chain wheel transmission shaft, and the spanner is driven by the secondary chain wheel transmission shaft to rotate; and under the working state that the impactor is assembled with the dismounting device, each wrench is matched with each bolt in a one-to-one alignment mode. The invention improves the structure of the impactor on one hand, and designs a special dismounting device aiming at the improved structure of the impactor on the other hand, thereby greatly shortening the dismounting speed of the impactor and ensuring the personal health and safety of personnel.
Description
Technical Field
The invention relates to the technical field of air pressure measurement, in particular to a quick disassembling structure of an impactor for a high-temperature and high-pressure use environment.
Background
In the field of air sampling, an impact type sampling is commonly used, an air exhaust device is connected with an air outlet of an impactor, air enters the impactor from an air inlet of the impactor, and a sampling vessel arranged behind each stage of impact disc collects sampling targets in a grading manner.
A conventional impact sampler can refer to a utility model patent (hereinafter referred to as "comparison document 1") entitled "large flow impactor for air sampling" with a patent number "CN 201720426607.5" issued at 20171215 by chinese patent CN206756540U (see fig. 1 and fig. 2 of comparison document 1), reference 1 discloses a large-flow impactor for air sampling, which comprises a front end cover 1, a rear end cover 2, an impact disc 3 and a sampling vessel 5, wherein 6 impact discs 3 are arranged, the front end cover 1, the 6 impact discs 3 and the rear end cover 2 are sequentially stacked and mounted, through holes are formed in the circumference of the impact disc 3 close to the outer side, counter bores are formed in the front end cover 1 and the rear end cover 2, can realize dismantling the connection between front end housing 1, rear end housing 2 and the striking dish 3 through polished rod bolt and nut, sampling ware 5 is installed in the sieve tray front cavity of striking dish 3 through the sampling ware support column. When the impactor is used on site, sampling is carried out firstly, collected aerosol is attached to a sampling vessel of the impact disc 3 after sampling is finished, and personnel detach the impact disc 3 and then collect relevant sampling data.
Because current impacter that is used for collecting dirty gas that harms greatly to the human body has strict requirement to leaking the rate of leakage (mth Pa/s), among the current impacter each front end housing, rear end cap, striking dish the assembly mode like comparison document 1, be provided with the through-hole on the circumference that leans on the outside, it is fixed to penetrate bolt and nut in the through-hole again, tears bolt and nut apart one by one, needs five six minutes and can dismantle a plurality of bolts, nut and accomplish. When the device is used for collecting dirty gas which is harmful to human bodies, the dismounting speed is required to be higher and better, and the contact time of an operator contacting with the impactor is shortened. When an operator dismantles a conventional impactor for collecting dirty gas which has great harm to human bodies, the contact requirement time is short, the damage to the health and safety of the human bodies caused by harmful substances is avoided, the existing impactor is long in structural disassembly time, the operator needs to take protective equipment (protective gloves) to disassemble, and the impactor is heavy and poor in convenience and further prolongs the disassembly time.
In view of this, how to solve the problems of long disassembly time, increased pollution probability of operators, insufficient convenience and the like of the conventional impactor for collecting dirty gas which is harmful to human bodies is the subject to be researched and solved by the invention.
Disclosure of Invention
The invention provides a quick disassembling structure of an impactor, and aims to solve the problems that an existing conventional impactor for collecting dirty gas which is harmful to human bodies is long in disassembling time, increases pollution probability of operators, is not convenient and fast enough and the like.
In order to achieve the purpose, the invention provides a quick disassembling structure of a striker, which comprises the striker and a disassembling device for quickly disassembling the striker;
the impactor comprises a top disc, a plurality of impact discs and a base disc, wherein the top disc, the plurality of impact discs and the base disc are sequentially stacked and installed, and the top disc, the plurality of impact discs and the base disc are fixedly connected through bolts and nuts;
the dismounting device comprises a cover plate, a chain wheel transmission assembly and a dismounting assembly, wherein the chain wheel transmission assembly is arranged on the cover plate, and the dismounting assembly is assembled below the chain wheel transmission assembly;
the cover plate is connected with the top disc in a matching mode and used for assembling the disassembling device into the impactor when the impactor is disassembled;
the chain wheel transmission assembly comprises at least one primary chain wheel transmission shaft, a plurality of secondary chain wheel transmission shafts and a chain belt; the primary chain wheel transmission shaft and the secondary chain wheel transmission shaft are rotationally connected to the cover plate;
the top of the first-stage chain wheel transmission shaft penetrates through the upper surface of the cover plate, the penetrating part of the first-stage chain wheel transmission shaft is connected with the external torque output mechanism, and the external torque output mechanism provides the rotating torque of the first-stage chain wheel transmission shaft;
the secondary chain wheel transmission shafts are arranged on the cover plate, the positions and the number of the secondary chain wheel transmission shafts correspond to those of bolts in the impactor one by one, and the bottoms of the secondary chain wheel transmission shafts are connected with the disassembling assembly in a matched mode;
the primary chain wheel transmission shaft and the secondary chain wheel transmission shaft are both fixedly provided with transmission chain wheels, the transmission chain wheels are meshed and connected through chain belts, and the primary chain wheel transmission shaft drives the secondary chain wheel transmission shaft to synchronously rotate through the meshed transmission of the transmission chain wheels and the chain belts when rotating;
the disassembling component comprises a spanner in floating connection with each secondary chain wheel transmission shaft, and the spanner is driven by the secondary chain wheel transmission shaft to rotate; and under the working state that the impactor is assembled with the dismounting device, each wrench is matched with each bolt in a one-to-one alignment mode.
The invention is explained below:
1. in the technical scheme of the invention, in order to overcome the problems of long disassembly time, increased pollution probability of operators, insufficient convenience and the like of the conventional impactor for collecting dirty gas which is seriously harmful to human bodies, the structure of the impactor is improved on one hand, and a special disassembly device is designed for the improved structure of the impactor on the other hand, when the impactor and the special disassembly device are used in a matched mode, an inventor verifies that the impactor can be disassembled in about 15 seconds, because the disassembly time is very short, the exposure time of the operators to dangerous substances is very short, the operators can even directly operate without protective equipment and can be within a safety threshold value of human body contact, and the two devices supplement each other to further improve the disassembly speed.
2. In the technical scheme, a plurality of quick-release grooves are formed in the circumferential direction of the impactor, and each quick-release groove penetrates through the top disc, the plurality of impact discs and the chassis in the vertical direction to allow a bolt to penetrate through the impactor in the vertical direction;
wherein the quick release groove is provided with a side opening which is opened on the peripheral surface of the impactor; the quick-release groove is used for the bolt to pass through from the up-down direction of the quick-release groove or from the side opening direction; the design ensures that the screw-fit stroke of the bolt and the nut can be very short in the process of dismounting the bolt from the nut, the bolt can be quickly screwed out from the nut, and after the fit relation between the bolt and the nut is released, the bolt can be immediately and directly moved out from the opening direction of the circumferential outer side of the quick-release groove without taking out a long polished rod bolt from the upper and lower directions of the through hole like the prior art, so that the bolt screwing-out time is reduced, and the bolt moving-out time is also reduced;
specifically, the upper end of the side opening extends to the top surface of the top plate, and the lower end of the side opening extends to the bottom surface of the bottom plate, so that a bolt can penetrate through the striker from the opening direction;
the width of the side opening is greater than or equal to the width of the bolt body and smaller than the width of the bolt head and the width of the nut;
the top surface of the top disc is provided with a top counter bore corresponding to the upper end of the side opening and used for assembling the head of the positioning bolt; the aperture of the top counter bore is larger than the width of the side opening;
the bottom surface of the chassis is provided with a bottom counter bore corresponding to the lower end of the side opening for assembling and positioning the nut; the aperture of the bottom counter bore is larger than the width of the side opening;
the bottom counter bore is provided with a circumferential limiting part, a circumferential limiting surface is arranged on the nut corresponding to the circumferential limiting part, and the nut is limited to rotate along the axis of the bolt through the matching of the circumferential limiting part and the circumferential limiting surface; specifically, the bottom counter bore is a square counter bore, the nut is a square nut, and the nut is kept in a stationary state when the bolt rotates through the matching.
3. In the technical scheme, the transmission chain wheels on the first-stage chain wheel transmission shaft and the second-stage chain wheel transmission shaft are positioned on the same horizontal plane, the diameter of the transmission chain wheel on the first-stage chain wheel transmission shaft is larger than that of the transmission chain wheel on each second-stage chain wheel transmission shaft, so that the torque is reasonably distributed, the first-stage chain wheel transmission shaft can completely meet the requirement of driving ten and ten torque transmission requirements of the second-stage chain wheel transmission shaft under the condition that the received external torque is not too large, the synchronism is good, the bolts below the wrench can be simultaneously applied with force to spiral, the bolt releasing time is shortened, the operation mode is consistent, and the impactor can be detached in the shortest time when the personnel operate.
4. In the technical scheme, the wrench is provided with an upper limiting surface which faces downwards; a lower limiting surface is arranged on the secondary chain wheel transmission shaft corresponding to the upper limiting surface, faces upwards, and forms the limitation on the downward displacement of the wrench through the abutting fit of the upper limiting surface and the lower limiting surface; the design utilizes the structural characteristics of the secondary chain wheel transmission shaft and the wrench, so that the transmission and the wrench are more reasonable in pressing, and meanwhile, the matching structure of the part is more compact and the strength is higher.
5. In the technical scheme, the lower end part of the secondary chain wheel transmission shaft is provided with an accommodating hole arranged along the axial direction of the secondary chain wheel transmission shaft, the opening of the accommodating hole faces downwards, an elastic part is arranged in the accommodating hole, one action end of the elastic part is connected with the top of the accommodating hole, the other action end of the elastic part is connected with the wrench, and the wrench is in floating connection with the secondary chain wheel transmission shaft under the elastic deformation action of the elastic part and the guiding action of the accommodating hole; through the design of floating connection, when the dismounting device is assembled in the impactor and an individual wrench is not corresponding to the countersunk head of the bolt head, the wrench at the position can float on the surface of the bolt head, at the moment, the floating connection relation does not need to specially spend time for adjusting the position of the wrench, only the first-stage chain wheel transmission shaft is communicated with the external torque output mechanism to drive the second-stage chain wheel transmission shaft and the wrench to rotate, the wrench can correspond to the countersunk head of the bolt head after rotating for a certain angle under the action of elastic deformation of the elastic part in the rotation process of the wrench, so that the wrench can be matched with the bolt to perform next screwing-out, and the time of the operation can be completed within a few tenths of seconds.
6. In the above technical solution, the cover plate includes an upper cover plate and a lower cover plate; the upper cover plate and the lower cover plate are used for carrying out good positioning installation on all parts of the dismounting device and carrying out good matching butt joint on the impactor.
7. In the technical scheme, the impactor comprises the air inlet part arranged at the center of the top plate, the upper cover plate and the lower cover plate are provided with the vertically through positioning holes in the centers, and when the dismounting device is assembled in the impactor, the air inlet part penetrates through the positioning holes of the upper cover plate and the lower cover plate, so that the dismounting device and the impactor are quickly assembled, and the assembling time is shortened.
8. In the technical scheme, the impactor is including locating the buffer of top dish circumference, be equipped with the spacing groove that is used for passing the buffer in the below of apron down, when dismounting device assembles the impactor, be connected with the spacing groove cooperation by the buffer, constitute the impactor spacing to dismounting device, prevent apron and the sprocket drive subassembly thereon, assemble the dismounting subassembly and the bolt position of sprocket drive subassembly and take place horizontal displacement, realize the quick assembly of dismounting device and impactor with this, reduce the assemble duration, and can guarantee that the assembly is stable, avoid dismantling the in-process waste time of makeing mistakes.
9. In the technical scheme, the upper cover plate and the lower cover plate are respectively provided with a ball bearing corresponding to the first-stage chain wheel transmission shaft and the second-stage chain wheel transmission shaft, the first-stage chain wheel transmission shaft and the second-stage chain wheel transmission shaft are arranged in the ball bearings, friction force in a dynamic torque transmission process is reduced in a rolling mode, the transmission efficiency of mechanical power is improved, and the requirements on synchronism and torque are improved.
10. In the technical scheme, the bottom of the transmission chain wheel is sleeved with a limit column with the same height, and the bottom of the limit column is abutted against the upper surface of a ball bearing on the lower cover plate; a limiting ring is arranged on the upper surface of the transmission chain wheel on the secondary chain wheel transmission shaft, the limiting ring and the secondary chain wheel transmission shaft are integrally formed, and the upper surface of the limiting ring is abutted to the lower surface of a ball bearing on the upper cover plate; a gasket is arranged on the upper surface of the transmission chain wheel on the primary chain wheel transmission shaft; the structural strength and the synchronism are improved through the method.
11. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled in any other manner that does not materially affect the operation of the device, unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
12 in the present application, the terms "center," "upper," "lower," "axial," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation or positional configuration shown in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
13. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Due to the application of the scheme, compared with the prior art, the invention has the following advantages and effects:
1. according to the scheme, on one hand, the structure of the impactor is improved, on the other hand, a special dismounting device is designed for the improved structure of the impactor, when the dismounting device is used in a matched mode, the striker can be dismounted within 15 seconds, due to the fact that the dismounting time is very short, the exposure time of an operator exposed to dangerous substances is very short, the operator can directly operate without protective equipment and can be within a safety threshold value of human body contact, and therefore the dismounting speed is further improved.
2. According to the scheme of the invention, the design of the impactor can ensure that the screw rod can be quickly screwed out of the nut, so that the fixed state of the top disc, the plurality of impact discs and the base disc can be quickly released, and the time for screwing out the screw rod from the nut and separating from the impactor is only a few seconds.
3. According to the scheme of the invention, the design of the dismounting device can provide the rotating torque of the primary chain wheel transmission shaft through the external torque output mechanism, the primary chain wheel transmission shaft drives the secondary chain wheel transmission shaft to synchronously rotate through the meshing transmission of each transmission chain wheel and the chain belt when rotating, the wrench rotates under the driving of the secondary chain wheel transmission shaft, and the wrench quickly demounts the bolts which are matched in one-to-one alignment, when the wrench and the bolt are matched in one-to-one alignment, the wrench and the transmission shaft of the secondary chain wheel are in floating connection, the wrench can be gradually matched with the bolt in alignment under the condition of rotation, the wrench can be ensured to be correctly matched with the corresponding bolt in the shortest time, therefore, when the bolts are screwed out, the bolts cannot be omitted, all the bolts can be screwed out by hundreds, and the impactor is fast, accurate and safe to disassemble without leakage.
Drawings
FIG. 1 is a schematic perspective view of a striker and a dismounting device in a quick dismounting structure of the striker according to an embodiment of the present invention in a use state;
FIG. 2 is a front view of the striker and the detaching device in the quick-detaching structure of the striker according to the embodiment of the present invention in a use state;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a right side view of the striker and the detaching device in the quick-detaching structure of the striker according to the embodiment of the present invention in a use state;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
FIG. 6 is a schematic view showing an assembling direction of a striker and a disassembling device in a quick disassembling structure of the striker according to an embodiment of the present invention during an assembling process;
FIG. 7 is a schematic perspective view of a striker in a quick release configuration of the striker according to an embodiment of the present invention;
FIG. 8 is a front view of a striker in a quick release configuration in accordance with an embodiment of the present invention;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;
FIG. 10 is a first schematic perspective view of a detachment apparatus in a striker quick detachment structure according to an embodiment of the present invention;
FIG. 11 is a schematic perspective view of a second dismounting device in a quick dismounting structure of a striker according to an embodiment of the present invention;
FIG. 12 is a front view of a dismounting device in a quick-release structure for a striker in accordance with an embodiment of the present invention;
FIG. 13 is a cross-sectional view taken along line D-D of FIG. 12;
FIG. 14 is a drawing showing a detaching device in a quick-detach structure of a striker according to an embodiment of the present invention;
FIG. 15 is a cross-sectional view taken along line E-E of FIG. 14;
FIG. 16 is a schematic perspective view of a dismounting device with an upper cover removed for a quick dismounting structure of a striker in accordance with an embodiment of the present invention;
FIG. 17 is a front view of a dismounting device in a quick-release structure of a striker, shown with an upper cover removed, in accordance with an embodiment of the present invention;
FIG. 18 is a sectional view taken along line F-F of FIG. 17;
FIG. 19 is a drawing showing a disassembled device with an upper cover removed from the disassembled device in the quick release structure for a striker in accordance with an embodiment of the present invention;
FIG. 20 is a sectional view taken along line G-G of FIG. 19;
FIG. 21 is a schematic view of a driving sprocket of a first-stage sprocket driving shaft and a second-stage sprocket driving shaft in a striker quick-release structure according to an embodiment of the present invention, engaged with a chain belt for transmission;
FIG. 22 is a first schematic perspective view of a second sprocket drive shaft coupled to a wrench in a quick release configuration of an impactor in accordance with an embodiment of the present invention;
FIG. 23 is a schematic perspective view of a second embodiment of a striker quick release assembly according to the present invention, showing a secondary sprocket shaft coupled to a wrench;
FIG. 24 is a front view of a secondary sprocket drive shaft coupled to a wrench in a quick release configuration of an impactor in accordance with an embodiment of the present invention;
FIG. 25 is a sectional view taken along line H-H in FIG. 24.
The drawings are shown in the following parts:
1. a striker;
101. a quick-release groove; 1011. a side opening; 11. a top tray; 111. jacking counter bores; 12. a striking plate; 13. a chassis; 131. a bottom counter bore; 1311. a circumferential limiting part; 14. a bolt; 15. a nut; 151. a circumferential limiting surface; 16. an air intake portion; 17. a buffer;
2. disassembling the device;
21. a cover plate; 210. positioning holes; 211. an upper cover plate; 212. a lower cover plate; 213. a limiting groove;
22. a sprocket drive assembly; 221. a primary sprocket drive shaft; 2211. a gasket; 222. a secondary sprocket drive shaft; 2221. a housing hole; 2222. a lower limiting surface; 2223. a limiting ring; 223. a chain belt; 224. a drive sprocket; 2241. a limiting column; 225. a ball bearing;
23. disassembling the assembly; 231. a wrench; 2311. an upper limiting surface; 232. an elastic member.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
As shown in fig. 1 to 25, the quick disassembling structure of the striker 1 according to the embodiment of the present invention includes the striker 1 and the disassembling device 2 for quickly disassembling the striker 1, the assembling direction and process of the disassembling device 2 and the striker 1 during the assembling process can be shown in fig. 6, and the schematic diagram of the disassembling device 2 after being assembled to the striker can be shown in fig. 1 to 5. The parts of the striker 1, the dismounting device 2 and how the dismounting device 2 is fitted into the striker 1 and how the dismounting device 2 is used to quickly dismount the striker 1 will be described separately below.
As shown in fig. 7 to 9, the striker 1 includes a top plate 11, a plurality of striking plates 12, and a bottom plate 13, wherein the top plate 11, the plurality of striking plates 12, and the bottom plate 13 are sequentially stacked and mounted, and the top plate 11, the plurality of striking plates 12, and the bottom plate 13 are fixedly connected by bolts 14 and nuts 15. The striker 1 further includes an air inlet portion 16 provided in the center of the top plate 11, and a damper 17 provided in the circumferential direction of the top plate 11.
Specifically, a plurality of quick-release grooves 101 are formed in the circumferential direction of the striker 1, and each quick-release groove 101 penetrates through the top plate 11, the plurality of striker plates 12 and the base plate 13 in the vertical direction, so that a bolt 14 penetrates through the striker 1 in the vertical direction; wherein, the quick release groove 101 has a side opening 1011, and the side opening 1011 is opened on the peripheral surface of the striker 1; the quick-release slot 101 allows the bolt 14 to pass through the quick-release slot 101 from the vertical direction or from the side opening 1011 direction; by means of the design, when the quick-release bolt is assembled or disassembled, the bolt 14 can be combined with or separated from the quick-release groove 101 from the up-down direction or/and the opening direction, and locking is achieved through the nut 15; the opening direction is the horizontal direction in fig. 2, the design enables the screw matching stroke of the bolt 14 and the nut 15 to be short in the process that the bolt 14 is dismounted from the nut 15, the bolt 14 can be quickly screwed out of the nut 15, and after the bolt 14 and the nut 15 are disengaged, the bolt 14 can be immediately and directly moved out from the opening direction of the circumferential outer side of the quick-release groove 101 without taking out a long polished rod bolt 14 from the upper and lower direction of a through hole like the prior art, so that the screwing-out time of the bolt 14 is reduced, and the moving-out time of the bolt 14 is also reduced;
specifically, the upper end of the side opening 1011 extends to the top surface of the top plate 11, and the lower end extends to the bottom surface of the bottom plate 13, so that the bolt 14 passes through the striker 1 from the opening direction;
the width of the side opening 1011 is greater than or equal to the width of the rod body of the bolt 14 and smaller than the width of the head of the bolt 14 and the width of the nut 15; the head of the bolt 14 is prevented from coming out of the side opening 1011 at the side in the locked state;
the top surface of the top disc 11 corresponding to the upper end of the side opening 1011 is provided with a top counter bore 111 for assembling the head of the positioning bolt 14; and the aperture of the top counter bore 111 is larger than the width of the side opening 1011; the structure is that when the bolt 14 locks the impactor 1, the head of the bolt 14 is embedded into the top counter bore 111, and the positioning of the upper end of the bolt 14 is realized through the top counter bore 111;
the bottom surface of the chassis 13 corresponding to the lower end of the side opening 1011 is provided with a bottom counter bore 131 for assembling and positioning the nut 15; and the aperture of the bottom counter bore 131 is larger than the width of the side opening 1011; the nut 15 is configured to be embedded in the bottom counterbore 131 when the nut 15 is engaged with the bolt 14 to lock the striker 1, and the positioning of the lower end of the bolt 14 is achieved by the bottom counterbore 131.
Through the design of the top counterbore 111 and the bottom counterbore 131, the head of the bolt 14 and the nut 15 can be more stably and reliably combined on the striker 1, and the stability of the locking state of the striker 1 is further improved.
By forming a side opening 1011 on the side of the quick-release groove 101, when disassembling, when the head of the bolt 14 is separated from the top counterbore 111 and the nut 15 is separated from the bottom counterbore 131, the rod body of the bolt 14 can directly move out of the periphery of the striker 1 through the side opening 1011, and the quick-release groove 101 does not need to be pulled out from the up-down direction, so that the time for displacement in the length direction of the quick-release groove 101 is saved.
Preferably, the bottom counter bore 131 is provided with a circumferential limiting part 1311, a circumferential limiting surface 151 is arranged on the nut 15 corresponding to the circumferential limiting part 1311, and the rotation of the nut 15 along the axis of the bolt 14 is limited by the cooperation of the circumferential limiting part 1311 and the circumferential limiting surface 151; specifically, the bottom counter bore 131 is a square counter bore, the nut 15 is a square nut 15, and through the matching, the nut 15 is kept in a stationary state when the bolt 14 rotates.
Disassembling device 2 parts
As shown in fig. 10 to 25, the detaching device 2 includes a cover plate 21, a sprocket assembly 22 mounted on the cover plate 21, and a detaching assembly 23 assembled below the sprocket assembly 22;
as shown in the sectional views of fig. 3 and 5 and in the perspective views of fig. 6, 10 and 11, the cover plate 21 is coupled to the top plate 11 for mounting the dismounting device 2 to the striker 1 when the striker 1 is dismounted. Specifically, the cover plate 21 includes an upper cover plate 211 and a lower cover plate 212; good positioning and mounting of the individual components of the dismounting device 2 and good mating abutment of the striker 1 are carried out by the upper cover plate 211 and the lower cover plate 212. The upper cover plate 211 and the lower cover plate 212 are provided with a vertically through positioning hole 210 at the centers thereof, and when the dismounting device 2 is assembled in the striker 1, the air inlet part 16 penetrates through the positioning holes 210 of the upper cover plate 211 and the lower cover plate 212, so that the dismounting device 2 and the striker 1 can be quickly assembled, and the assembling time is reduced; the limiting groove 213 for penetrating the buffer 17 is arranged below the lower cover plate 212, when the dismounting device 2 is assembled in the impactor 1, the buffer 17 is in fit connection with the limiting groove 213 to limit the dismounting device 2 by the impactor 1, the cover plate 21, the chain wheel transmission assembly 22 on the cover plate, the dismounting assembly 23 assembled on the chain wheel transmission assembly 22 and the bolt 14 are prevented from generating horizontal displacement, so that the quick assembly of the dismounting device 2 and the impactor 1 is realized, the assembly time is reduced, the assembly stability can be ensured, and the time waste caused by errors in the dismounting process is avoided.
The sprocket drive assembly 22 comprises at least one primary sprocket drive shaft 221, a plurality of secondary sprocket drive shafts 222, and a chain belt 223; the primary chain wheel transmission shaft 221 and the secondary chain wheel transmission shaft 222 are rotationally connected to the cover plate 21;
the top of the first-stage chain wheel transmission shaft 221 penetrates through the upper surface of the cover plate 21, the penetrating part of the first-stage chain wheel transmission shaft 221 is connected with an external torque output mechanism, and the external torque output mechanism provides the rotating torque of the first-stage chain wheel transmission shaft 221; it should be noted that the external torque output mechanism generally adopts a handheld electric component composed of a motor and a reducer, and can also adopt an air gun mode, and the invention is not limited to this.
The secondary chain wheel transmission shafts 222 are arranged on the cover plate 21, the positions and the number of the secondary chain wheel transmission shafts correspond to those of the bolts 14 in the impactor 1 one by one, and the bottoms of the secondary chain wheel transmission shafts 222 are connected with the disassembling assemblies 23 in a matched mode;
the first-stage chain wheel transmission shaft 221 and the second-stage chain wheel transmission shaft 222 are both fixedly provided with transmission chain wheels 224, the transmission chain wheels 224 are meshed and connected through chain belts 223, when the first-stage chain wheel transmission shaft 221 rotates, the second-stage chain wheel transmission shaft 222 is driven to synchronously rotate through the meshed transmission of the transmission chain wheels 224 and the chain belts 223, and the schematic diagram of the meshed transmission of the transmission chain wheels 224 and the chain belts 223 of the first-stage chain wheel transmission shaft 221 and the second-stage chain wheel transmission shaft 222 can refer to fig. 21. Specifically, the transmission chain wheels 224 on the primary chain wheel transmission shaft 221 and the secondary chain wheel transmission shafts 222 are located on the same horizontal plane, the diameter of the transmission chain wheel 224 on the primary chain wheel transmission shaft 221 is larger than that of the transmission chain wheel 224 on each secondary chain wheel transmission shaft 222, so that the torque is reasonably distributed, the torque transmission requirements of driving ten or ten secondary chain wheel transmission shafts 222 under the condition that the received external torque of the primary chain wheel transmission shaft 221 is not too large can be completely met, the synchronism is good, the bolts 14 below the wrench 231 can be simultaneously applied with force and screwed, the releasing time and the operation mode of the bolts 14 are consistent, and the striker 1 can be released in the shortest time when being operated by a person. The upper cover plate 211 and the lower cover plate 212 are respectively provided with a ball bearing 225 corresponding to the first-stage chain wheel transmission shaft 221 and the second-stage chain wheel transmission shaft 222, the first-stage chain wheel transmission shaft 221 and the second-stage chain wheel transmission shaft 222 are arranged in the ball bearings 225, friction force in a dynamic torque transmission process is reduced in a rolling mode, mechanical power transmission efficiency is improved, synchronism is improved, and torque requirements are reduced. Preferably, the bottom of the transmission chain wheel 224 is sleeved with a limit column 2241 with the same height, and the bottom of the limit column 2241 is abutted against the upper surface of the ball bearing 225 on the lower cover plate 212; a limiting ring 2223 is arranged on the upper surface of the transmission chain wheel 224 on the secondary chain wheel transmission shaft 222, the limiting ring 2223 and the secondary chain wheel transmission shaft 222 are integrally formed, and the upper surface of the limiting ring 2223 is abutted against the lower surface of a ball bearing 225 on the upper cover plate 211; a washer 2211 is arranged on the upper surface of the transmission chain wheel 224 on the primary chain wheel transmission shaft 221; the structural strength and the synchronism are improved through the method.
As shown in fig. 22 to 25, the detaching assembly 23 includes a wrench 231 floatingly connected to each secondary sprocket drive shaft 222, and the wrench 231 is driven by the secondary sprocket drive shaft 222 to rotate; in the working state of assembling the striker 1 and the dismounting device 2, the wrenches 231 are matched with the bolts 14 in one-to-one alignment, the bolts 14 are annularly arranged on the striker 1, and the wrenches 231 are annularly arranged on the dismounting device 2 according to the number and the spacing of the bolts 14. Specifically, the wrench 231 is provided with an upper limiting surface 2311, and the upper limiting surface 2311 faces downward; a lower limiting surface 2222 is arranged on the secondary chain wheel transmission shaft 222 corresponding to the upper limiting surface 2311, the lower limiting surface 2222 faces upwards, and the downward displacement of the wrench 231 is limited by the abutting fit of the upper limiting surface 2311 and the lower limiting surface 2222; the design utilizes the structural characteristics of the secondary chain wheel transmission shaft 222 and the wrench 231, so that the transmission and the wrench 231 are more reasonably pressed, and the matching structure of the part is more compact and has higher strength. Preferably, the lower end of the secondary sprocket drive shaft 222 is provided with a containing hole 2221 arranged along the axial direction of the secondary sprocket drive shaft 222, the opening of the containing hole 2221 faces downward, an elastic member 232 is arranged in the containing hole 2221, one acting end of the elastic member 232 is connected with the top of the containing hole 2221, the other acting end of the elastic member 232 is connected with the wrench 231, and the wrench 231 forms a floating connection with the secondary sprocket drive shaft 222 under the elastic deformation action of the elastic member 232 and the guiding action of the containing hole 2221; through the design of the floating connection, when the dismounting device 2 is assembled in the impactor 1 and a separate wrench 231 is not corresponding to the countersunk head of the bolt 14, the wrench 231 can float on the surface of the head of the bolt 14, at this time, the floating connection relationship does not need to take time to adjust the position of the wrench 231, as long as the primary sprocket transmission shaft 221 is connected with the external torque output mechanism to drive the secondary sprocket transmission shaft 222 and the wrench 231 to rotate, the wrench 231 can correspond to the countersunk head of the bolt 14 after rotating for a certain angle under the elastic deformation effect of the elastic element 232 in the rotation process of the wrench 231, so that the wrench 231 can be matched with the bolt 14 to perform the next screwing-out operation, and the operation time can be completed within a few tenths of seconds. In addition, the elastic member 232 may be a compression spring, but the embodiment of the present invention is not limited thereto, and other elements, such as a compression spring tube, a torsion spring, etc., which can also make the wrench 231 have a downward displacement tendency by using elastic deformation, can be understood and accepted by those skilled in the art, and therefore, the related mechanisms will not be described again.
The following description is given of how the dismounting device 2 is quickly fitted into the striker 1: referring to the above-mentioned structure of the striker 1 and the detaching device 2 in the embodiment of the present invention, after sampling the striker 1, when the detaching device 2 is assembled into the striker 1, the entire part of the detaching device 2 is taken up, the cover plate 21 of the detaching device 2 is aligned with the top plate part of the striker 1, the wrench 231 is inserted into the counterbore of the bolt 14, and the wrench 231 and the bolt 14 are connected in one-to-one alignment, and particularly, the air inlet portion 16 of the striker 1 can pass through the positioning holes 210 of the upper cover plate 211 and the lower cover plate 212 of the detaching device 2, and the bumper 17 of the striker 1 is connected with the limiting groove 213 of the detaching device 2 in a matching manner to form the limitation of the striker 1 on the detaching device 2, so as to achieve the rapid assembly of the detaching device 2 and the striker 1, reduce the assembly time, ensure the stable assembly, and avoid the time waste caused by errors in the detaching process. It follows that the process of fitting the dismounting device 2 to the striker 1 is very fast, even simplified in two steps, pick-up and set-down, and that the operator can quickly fit it by just a few training sessions, taking only a few seconds during the fitting process.
The following description is given of how the dismounting device 2 quickly demounts the striker 1: referring to the above description of the striker 1 portion and the structure of the detaching device 2 portion and the assembly of the detaching device 2 to the striker 1 in the embodiment of the present invention, after the dismounting device 2 and the impactor 1 are assembled, a single wrench 231 does not correspond to the countersunk head of the bolt 14, at this time, the position of the wrench 231 does not need to be adjusted by specially spending time, only an external torque output mechanism is started to output torque, the primary chain wheel transmission shaft 221 is driven to drive the secondary chain wheel transmission shaft 222 and the wrench 231 to rotate, and the wrench 231 can correspond to the countersunk head extending into the head of the bolt 14 after rotating for a certain angle under the action of a floating connection mode in the rotation process of the wrench 231, therefore, the wrench 231 can be engaged with the bolt 14 to perform the next screwing-out, and the wrench 231 and the bolt 14 can be corrected and adjusted in position within a few tenths of a second, and can be automatically started by the dismounting device 2. Meanwhile, due to the design of the chain wheel transmission assembly 22 in the dismounting device 2, the torque input from the external torque output mechanism can be quickly, stably and synchronously transmitted to the secondary chain wheel transmission shaft 222 and the wrench 231, so that the wrench 231 can quickly unscrew the bolt 14 from the nut 15, and the time from the time when the wrench 231 contacts the bolt 14 to the time when the bolt 14 is unscrewed is very short and only takes a few seconds. Further, with the special design of the striker 1, the bolt 14 is detached from the nut 15 and the detaching device 2 is removed, and the bolt 14 can be quickly removed from the side opening 1011, so that the top plate 11, the plurality of striking plates 12 and the bottom plate 13 of the striker 1 are completely detached.
To sum up, the quick dismounting structure of the striker 1 according to the embodiment of the present invention, on one hand, improves the structure of the striker 1 itself, and on the other hand, designs a special dismounting device 2 for the improved structure of the striker 1, and quickly dismount the striker 1 by using the two devices in cooperation, for the dismounting requirement of the striker 1 with a very high time requirement, the assembling process of the dismounting device 2 and the dismounting process of the striker 1, the respective structures and the structures of the parts needing to be matched are optimally designed, and the problems of how to align the dismounting device 2 and the striker 1, how to match the wrench 231 and the bolt 14 one-to-one correspondingly, and how to quickly remove the dismounted bolt 14 are optimized in the two processes, and the respective steps independently play their respective roles and also cooperate with each other to form a coherent organic combination process, therefore, the whole disassembly process can be completed within a dozen seconds, and the problems that the conventional impactor 1 for collecting dirty gas which is harmful to human bodies is long in disassembly time, the pollution probability of operators is increased, and the impactor is not convenient enough are solved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a structure is dismantled fast to impinger which characterized in that: comprises a striker (1) and a dismounting device (2) for quickly dismounting the striker (1);
the impactor (1) comprises a top disc (11), a plurality of impact discs (12) and a base disc (13), wherein the top disc (11), the plurality of impact discs (12) and the base disc (13) are sequentially stacked and mounted from top to bottom, and the top disc (11), the plurality of impact discs (12) and the base disc (13) are fixedly connected through bolts (14) and nuts (15);
the dismounting device (2) comprises a cover plate (21), a chain wheel transmission assembly (22) arranged on the cover plate (21) and a dismounting assembly (23) assembled below the chain wheel transmission assembly (22);
the cover plate (21) is connected with the top disc (11) in a matching manner and is used for assembling the disassembling device (2) into the impactor (1) when the impactor (1) is disassembled;
the chain wheel transmission assembly (22) comprises at least one primary chain wheel transmission shaft (221), a plurality of secondary chain wheel transmission shafts (222) and a chain belt (223); the primary chain wheel transmission shaft (221) and the secondary chain wheel transmission shaft (222) are rotationally connected to the cover plate (21);
the top of the first-stage chain wheel transmission shaft (221) penetrates through the upper surface of the cover plate (21), the penetrating part of the first-stage chain wheel transmission shaft (221) is connected with an external torque output mechanism, and the external torque output mechanism provides the rotating torque of the first-stage chain wheel transmission shaft (221);
the secondary chain wheel transmission shafts (222) are arranged on the cover plate (21) and correspond to the bolts (14) in the impactor (1) one by one, and the bottoms of the secondary chain wheel transmission shafts (222) are connected with the disassembling component (23) in a matched mode;
the primary chain wheel transmission shaft (221) and the secondary chain wheel transmission shaft (222) are both fixedly provided with transmission chain wheels (224), the transmission chain wheels (224) are meshed and connected through chain belts (223), and the primary chain wheel transmission shaft (221) drives the secondary chain wheel transmission shaft (222) to synchronously rotate through the meshed transmission of the transmission chain wheels (224) and the chain belts (223) when rotating;
the disassembling component (23) comprises a spanner (231) in floating connection with each secondary chain wheel transmission shaft (222), and the spanner (231) is driven by the secondary chain wheel transmission shafts (222) to rotate; in the working state that the impactor (1) and the dismounting device (2) are assembled, each wrench (231) and each bolt (14) are matched in a one-to-one alignment mode.
2. The striker quick-release structure according to claim 1, characterized in that: a plurality of quick-release grooves (101) are formed in the circumferential direction of the impactor (1), each quick-release groove (101) penetrates through the top disc (11), the plurality of impact discs (12) and the base disc (13) in the vertical direction, and a bolt (14) penetrates through the impactor (1) in the vertical direction;
wherein the quick release groove (101) is provided with a side opening (1011), and the side opening (1011) is arranged on the peripheral surface of the impactor (1); the upper end of the side opening (1011) extends to the top surface of the top disc (11), the lower end extends to the bottom surface of the bottom disc (13), and a bolt (14) passes through the impactor (1) from the opening direction;
the width of the side opening (1011) is greater than or equal to the width of the rod body of the bolt (14) and is smaller than the width of the head of the bolt (14) and the width of the nut (15);
the top surface of the top disc (11) corresponding to the upper end of the side opening (1011) is provided with a top counter bore (111) for assembling the head of a positioning bolt (14); the aperture of the top counter bore (111) is larger than the width of the side opening (1011);
the bottom surface of the chassis (13) corresponding to the lower end of the side opening (1011) is provided with a bottom counter bore (131) for assembling and positioning the nut (15); the aperture of the bottom counter bore (131) is larger than the width of the side opening (1011);
the bottom counter bore (131) is provided with a circumferential limiting part (1311), a circumferential limiting surface (151) is arranged on the nut (15) corresponding to the circumferential limiting part (1311), and the nut (15) is limited to rotate along the axis of the bolt (14) through the cooperation of the circumferential limiting part (1311) and the circumferential limiting surface (151).
3. The striker quick-release structure according to claim 1, characterized in that: the transmission chain wheels (224) on the primary chain wheel transmission shaft (221) and the secondary chain wheel transmission shaft (222) are positioned on the same horizontal plane, and the diameter of the transmission chain wheel (224) on the primary chain wheel transmission shaft (221) is larger than that of the transmission chain wheel (224) on each secondary chain wheel transmission shaft (222).
4. The striker quick-release structure according to claim 1, characterized in that: an upper limiting surface (2311) is arranged on the wrench (231), and the upper limiting surface (2311) faces downwards; a lower limiting surface (2222) is arranged on the secondary chain wheel transmission shaft (222) corresponding to the upper limiting surface (2311), the lower limiting surface (2222) faces upwards, and the wrench (231) is limited in downward displacement through the abutting fit of the upper limiting surface (2311) and the lower limiting surface (2222).
5. The striker quick-release structure according to claim 1, characterized in that: the lower end part of the secondary chain wheel transmission shaft (222) is provided with a containing hole (2221) arranged along the axial direction of the secondary chain wheel transmission shaft (222), the opening of the containing hole (2221) faces downwards, an elastic part (232) is arranged in the containing hole (2221), one action end of the elastic part (232) is connected with the top of the containing hole (2221), the other action end of the elastic part is connected with the wrench (231), and the wrench (231) forms floating connection with the secondary chain wheel transmission shaft (222) under the elastic deformation action of the elastic part (232) and the guiding action of the containing hole (2221).
6. The striker quick-release structure according to claim 1, characterized in that: the cover plate (21) includes an upper cover plate (211) and a lower cover plate (212).
7. The striker quick-release structure according to claim 6, characterized in that: the impactor (1) comprises an air inlet part (16) arranged at the top center of the top disc (11), the centers of an upper cover plate (211) and a lower cover plate (212) are provided with positioning holes (210) which are vertically communicated, and when the dismounting device (2) is assembled in the impactor (1), the air inlet part (16) penetrates through the positioning holes (210) of the upper cover plate (211) and the lower cover plate (212).
8. The striker quick-release structure according to claim 6, characterized in that: the impactor (1) comprises a buffer (17) arranged in the circumferential direction of the top disc (11), a limiting groove (213) used for penetrating through the buffer (17) is arranged below the lower cover plate (212), and when the dismounting device (2) is assembled into the impactor (1), the buffer (17) is connected with the limiting groove (213) in a matched mode to limit the dismounting device (2) by the impactor (1).
9. The striker quick-release structure according to claim 6, characterized in that: the upper cover plate (211) and the lower cover plate (212) are respectively provided with a ball bearing (225) corresponding to the first-stage chain wheel transmission shaft (221) and the second-stage chain wheel transmission shaft (222), and the first-stage chain wheel transmission shaft (221) and the second-stage chain wheel transmission shaft (222) are arranged in the ball bearings (225).
10. The striker quick-release structure according to claim 9, characterized in that: the bottom of the transmission chain wheel (224) is sleeved with a limit column (2241) with the same height, and the bottom of the limit column (2241) is abutted against the upper surface of a ball bearing (225) positioned on the lower cover plate (212); a limiting ring (2223) is arranged on the upper surface of the transmission chain wheel (224) on the secondary chain wheel transmission shaft (222), the limiting ring (2223) and the secondary chain wheel transmission shaft (222) are integrally formed, and the upper surface of the limiting ring (2223) is abutted against the lower surface of a ball bearing (225) on the upper cover plate (211); and a washer (2211) is arranged on the upper surface of the transmission chain wheel (224) on the primary chain wheel transmission shaft (221).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111126972.1A CN114018655B (en) | 2021-09-26 | 2021-09-26 | Quick detaching structure of impactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111126972.1A CN114018655B (en) | 2021-09-26 | 2021-09-26 | Quick detaching structure of impactor |
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| CN114018655B CN114018655B (en) | 2023-12-22 |
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| CN114018655B (en) | 2023-12-22 |
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