CN220473167U - Linkage adjusting mechanism - Google Patents
Linkage adjusting mechanism Download PDFInfo
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- CN220473167U CN220473167U CN202321185000.4U CN202321185000U CN220473167U CN 220473167 U CN220473167 U CN 220473167U CN 202321185000 U CN202321185000 U CN 202321185000U CN 220473167 U CN220473167 U CN 220473167U
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- 238000012360 testing method Methods 0.000 description 5
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Abstract
The utility model discloses a linkage adjusting mechanism which comprises a stay column adjusting assembly and a combined transmission assembly, wherein the stay column adjusting assembly is arranged at the lower end part of a stay rod and comprises a first combined transmission system and a second combined transmission system; the combined transmission assembly comprises a coarse adjustment assembly and a fine adjustment assembly, the coarse adjustment assembly is matched with the first combined transmission system, and the fine adjustment assembly is matched with the second combined transmission system; the adjusting mechanism can realize independent and linkage adjustment of the stay bar when in use through the stay bar adjusting assembly and the joint transmission assembly, can rapidly finish the height and centering adjustment process of the pole passing component, and has the characteristics of simple structure, convenient use, high height and centering adjustment efficiency.
Description
Technical Field
The utility model belongs to the technical field of experimental equipment, and particularly relates to a linkage adjusting mechanism.
Background
The Hopkinson bar is a test system widely used for testing mechanical properties of materials under the action of high strain rate impact load, and has extremely important significance and wide application in the fields of deep resource development, weapon equipment research and development, tunnel chamber construction and the like. The precision and reliability of the test result are important bases for judging the quality of a set of test equipment, and the control of the low-loss effective transmission of high-strain rate pulses in the Hopkinson bar is a key means for ensuring the test precision.
In the Hopkinson bar test, in order to ensure that the incident bar and the transmission bar are at the same height, and simultaneously ensure the absolute level of the transmitting device and the transmitting device when in use, the transmitting device and the transmitting device are required to be subjected to height adjustment and centering operation, so that the bar passing components of the transmitting device and the transmitting device are at the same height, and simultaneously the bar passing components are ensured to be aligned with the center of the base when in use, thus realizing centering adjustment of the transmitting device and the transmitting device, and further ensuring the precision of the Hopkinson bar test; in the current Hopkinson bar experimental equipment, for example, the patent of the utility model with the application number of CN201922065723 discloses a coaxial auxiliary bracket of a Hopkinson bar, the bracket can realize convenient and stable support of the Hopkinson bar through novel locking long bolts, L-shaped bases, penetrating cylinders and other mechanical designs, but when the bracket is particularly used, the bracket does not consider the problems of loss and flatness of a supporting device in the stress wave transmission process, so that the experimental precision of the bracket is lower when the bracket is used; the utility model patent with the application number of CN202211254459 discloses an accurate alignment device for aligning an incidence rod and a transmission rod of a separated Hopkinson rod, and the accurate alignment of the Hopkinson rod and the low-loss transmission of stress waves can be realized through the design of an adjustable supporting device and a universal ball, but the alignment and leveling process is complicated by matching with a dial indicator, so that the adjustment efficiency is influenced, and the experimental use is inconvenient.
Therefore, there is a need to design a linkage adjustment mechanism to adjust the height of the rod passing member while adjusting the alignment of the transmitting device and the transmitting device to solve the above-mentioned problems of the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a linkage adjusting mechanism which can realize independent and linkage adjustment of a stay bar when in use through the arrangement of a stay bar adjusting component and a joint transmission component, can rapidly complete the height and centering adjusting process of a pole passing component, and has the characteristics of simple structure, convenient use and high height and centering adjusting efficiency.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a linkage adjusting mechanism which is arranged in a base and comprises a stay column adjusting component and a joint transmission component;
the stay bar adjusting assembly is arranged at the lower end part of the stay bar and comprises a first combined transmission system and a second combined transmission system;
the combined transmission assembly comprises a coarse adjustment assembly and a fine adjustment assembly, the coarse adjustment assembly is matched with the first combined transmission system, and the fine adjustment assembly is matched with the second combined transmission system.
Preferably, the first combined transmission system is symmetrically arranged in the base and comprises a first transmission gear, a first adjusting gear and a first transmission chain;
the first transmission gear is rotatably arranged in the base;
the first transmission chain is arranged between the first transmission gear and the first adjusting gear and meshed with the first transmission gear and the first adjusting gear;
the first adjusting gear is arranged on the stay bar and is connected with the stay bar in a threaded manner.
Preferably, the coarse adjustment assembly comprises a fourth transmission gear and a fifth transmission gear;
the fourth transmission gear is arranged in the base through a fixed block and meshed with the fifth transmission gear, and an adjusting rod is further arranged on the fourth transmission gear;
the fifth transmission gear is arranged on the base through a gear installation rod and meshed with the first transmission gear.
Preferably, the second combined transmission system is symmetrically arranged and comprises a second transmission gear, a second adjusting gear and a second transmission chain;
the second transmission gear is rotatably arranged in the base;
the second transmission chain is arranged between the second transmission gear and the second adjusting gear and meshed with the second transmission gear and the second adjusting gear;
the second adjusting gear is arranged on the stay bar and is connected with the stay bar in a threaded manner.
Preferably, the fine adjustment assembly comprises an adjusting rack, a mounting piece and a sixth transmission gear;
the mounting piece is arranged on the outer side of the base shell, and an adjusting chute is arranged on the mounting piece;
the adjusting rack is movably arranged on the mounting piece and meshed with the sixth transmission gear;
the sixth transmission gear is arranged on the base through a gear installation rod and meshed with the second transmission gear.
Preferably, a sliding block is further arranged on the lower side of the adjusting rack, and the sliding block is matched with the adjusting sliding groove.
The beneficial effects of the utility model are as follows: the utility model discloses a linkage adjusting mechanism, which is improved compared with the prior art in that:
the utility model designs a linkage adjusting mechanism which comprises a stay bar adjusting component and a joint transmission component, wherein the stay bar adjusting component is arranged at the lower end part of a stay bar and is matched with the joint transmission component for use so as to adjust the height and the relative height of the stay bar, and when the linkage adjusting mechanism is used:
1. the relative height of the stay bar in the base can be quickly adjusted through the cooperation of the first combined transmission system and the coarse adjustment assembly, so that the relative height of the stay bar in the base can be quickly adjusted, and the whole height adjusting process is completed;
2. the second combined transmission system is matched with the fine adjustment assembly to carry out fine adjustment on the relative height of the stay bars in the base, so that the four stay bars are regulated together and independently, the accurate centering of the supporting surface in the vertical direction is realized, and the experimental precision and the regulation efficiency are improved;
3. through the demountable installation of fourth drive gear, five drive gear and installed part, can in time realize adjusting alone and the linkage of vaulting pole is adjusted, and can effectively avoid because outside flexible influence to the experimental result, have simple structure, convenient to use, advantage that height and centering are adjusted efficiently.
Drawings
Fig. 1 is a schematic diagram of the structure of an emitting device or a transmitting device.
Fig. 2 is a cross-sectional view of the base of the present utility model.
Fig. 3 is a view showing the installation effect of the linkage adjustment mechanism of the present utility model.
Fig. 4 is a schematic structural view of the linkage adjustment mechanism of the present utility model.
Fig. 5 is a schematic structural view of a fifth transmission gear of the present utility model.
Fig. 6 is a schematic structural diagram of a coarse tuning assembly according to the present utility model.
Fig. 7 is a schematic structural diagram of the fine tuning assembly of the present utility model.
Fig. 8 is a schematic structural view of an adjusting rack of the present utility model.
Wherein: 1. the hydraulic actuator comprises a rod passing component, a supporting rod, a base, a cover plate, a pair of middle plates, a supporting column adjusting mechanism, 41, a rough adjusting component, 411, a fixed block, 412, a fourth transmission gear, 413, an adjusting rod, 414, a fifth transmission gear, 42, a fine adjusting component, 421, an adjusting rack, 4211, a sliding block, 422, a mounting piece, 4221, an adjusting sliding groove, 423, a sixth transmission gear, 5, a combined transmission mechanism, 51, a gear mounting rod, 52, a first transmission gear, 53, a first adjusting gear, 54, a first transmission chain, 55, a second transmission gear, 56, a second transmission chain, 57 and a second adjusting gear.
Detailed Description
In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.
Example 1: a linkage adjustment mechanism shown in fig. 1-8 is arranged in a base 3 and is used for adjusting the heights of four stay bars 2 in use to adjust the height of an upper pole passing component 1, and comprises a stay bar adjustment component 4 and a joint transmission component 5, wherein the stay bar adjustment component 4 is arranged at the lower end part of the stay bar 2 and is matched with the joint transmission component 5 for use to adjust the heights and relative heights of the stay bars 2.
Preferably, in order to facilitate the relative height of the four supporting rods 2 in the base 3, the combined transmission assembly 5 is designed to comprise a first combined transmission system and a second combined transmission system, wherein the first combined transmission system is symmetrically arranged and comprises a first transmission gear 52, a first adjusting gear 53 and a first transmission chain 54, the first transmission gear 52 is rotatably arranged in a base shell of the base 3, the first transmission chain 54 is arranged between the first transmission gear 52 and the first adjusting gear 53 and is meshed with the first transmission gear 52 and the first adjusting gear 53, and the first adjusting gear 53 is arranged on the supporting rod 2 and is in threaded connection with the supporting rod 2, and in use, the first adjusting gear 53 is driven to rotate through the rotation of the first transmission gear 52 so as to adjust the relative height of the supporting rod 2 in the base 3;
the second combined transmission system is symmetrically arranged and comprises a second transmission gear 55, a second adjusting gear 57 and a second transmission chain 56, wherein the second transmission gear 55 is rotatably arranged in a base shell of the base 3, the second transmission chain 56 is arranged between the second transmission gear 55 and the second adjusting gear 57 and is meshed with the second transmission gear 55 and the second adjusting gear 57, and the second adjusting gear 57 is arranged on the supporting rod 2 and is in threaded connection with the supporting rod 2, namely, when the second combined transmission system is in use, the second transmission gear 55 is rotated to drive the second adjusting gear 57 to rotate so as to adjust the relative height of the supporting rod 2 in the base 3; through the setting of first joint transmission system and second joint transmission system when using, can realize the coordinated adjustment and the individual regulation to the height of vaulting pole 2 when using, and then adjust the relative height of vaulting pole 2 in base 3 for the laser that laser emission device launched can just be in the middle of centering dish 32, accomplishes the laser centering process, guarantees the absolute level of upper portion pole structure of crossing.
Preferably, in order to be convenient for being matched with the combined transmission mechanism 5 for use, the relative height of the stay bar 2 in the base 3 is adjusted, the stay bar adjusting mechanism 4 is designed to comprise a coarse adjustment assembly 41 and a fine adjustment assembly 42 which are arranged on the base shell of the base 3, wherein the coarse adjustment assembly 41 is matched with the first combined transmission system for use, and comprises a fourth transmission gear 412 and a fifth transmission gear 414, and the fourth transmission gear 412 is arranged in the base 3 through a fixed block 411 and is meshed with the fifth transmission gear 414; an adjusting rod 413 is further arranged on the fourth transmission gear 412; the fifth transmission gear 414 is installed outside the base housing through a gear installation rod 51 and is meshed with the first transmission gear 52; namely, when in use, the fourth transmission gear 412 is driven to rotate by the adjusting rod 413, the fourth transmission gear 412 drives the fifth transmission gear 414 to rotate, and the fifth transmission gear 414 drives the first transmission gear 52 to rotate by the meshing force with the first transmission gear 52, so that the relative height of the supporting rod 2 in the base 3 is quickly adjusted;
the fine adjustment assembly 42 is matched with the second combined transmission system for use, and comprises an adjusting rack 421, a mounting piece 422 and a sixth transmission gear 423, wherein the mounting piece 422 is fixedly arranged on the outer side of the base shell 31, and an adjusting chute 4221 is arranged on the mounting piece 422; the adjusting rack 421 is movably mounted on the mounting piece 422 and is meshed with the sixth transmission gear 423, the sixth transmission gear 423 is mounted on the outer side of the base shell 31 through the gear mounting rod 51 and is meshed with the second transmission gear 55, namely, when the laser beam passing through the lower side of the rod component 1 can be centered at the center of the top plate 31 of the base 3 rapidly by moving the position of the adjusting rack 421 on the mounting piece 422 to drive the sixth transmission gear 423 to rotate and driving the second transmission gear 55 to rotate in the rotating process of the sixth transmission gear 423.
Preferably, the fixing block 411 is a cube with a locking structure inside, and is used for fixing the fourth transmission gear 412 after the adjustment is finished, so that the fourth transmission gear 412 can be conveniently taken down and installed when in use, the centering effect after the adjustment is ensured, and the centering effect is prevented from being influenced by external coiling.
Preferably, in order to facilitate the sliding installation of the adjusting rack 421 on the mounting piece 422, a sliding block 4211 is further disposed at the lower side of the adjusting rack 421, and the sliding block 4211 is matched with the adjusting chute 4221, that is, when in use, the sliding block 4211 is engaged in the adjusting chute 4221 to slide.
Preferably, in order to reduce the influence of the coiling of the coarse adjustment assembly 41 and the fine adjustment assembly 42 on the relative height of the stay bar 2 in the base 3 in the non-use state, and to adjust the height of the individual stay bar 2, centering is achieved, the gear mounting bar 51 and the mounting member 422 are detachably mounted on the side wall of the base housing 31, so as to facilitate the detachment in the non-use state.
The use process and the use flow of the linkage adjusting mechanism in this embodiment include:
firstly, before the hopkinson rod experiment is carried out, according to the position of laser emitted by a laser emitting device at the lower part of the rod passing component 1 on the upper side of the base 3 on the centering disc 32, a fifth transmission gear 414 and a mounting piece 422 are arranged at the deflection side of the laser beam, so that the sixth transmission gear 423 is driven to rotate by moving the position of an adjusting rack 421 on the mounting piece 422, the second transmission gear 55 is driven to rotate in the rotation process of the sixth transmission gear 423, and the relative position of the first adjusting gear 53 or the second adjusting gear 57 and the supporting rod 2 is adjusted, so that the relative height of the supporting rod 2 in the base 3 is finely adjusted, and the laser beam can be centered at the center of the centering disc 32 of the base 3 quickly;
secondly, after centering is completed, according to the experiment height requirement, the mounting piece 422 is removed again, and the fifth transmission gear 414 is mounted at each corresponding position, so that the whole adjusting mechanism forms a linkage adjusting structure, the fourth transmission gear 412 is mounted, the fourth transmission gear 412 is driven to rotate by the adjusting rod 413, the fourth transmission gear 412 drives the fifth transmission gear 414 to rotate, the fifth transmission gear 414 drives the first transmission gear 52 to rotate by the meshing force with the first transmission gear 52, and the relative height of the supporting rod 2 in the base 3 is quickly adjusted, so that the whole height adjusting process is completed;
finally, after the adjustment is completed, the fourth transmission gear 412, the fifth transmission gear 414 and the mounting piece 422 are removed when the experiment is performed, and the centering position and the height of the rod passing member 1 are prevented from being influenced by external flexure.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A linkage adjustment mechanism which is characterized in that: comprises a stay column adjusting component and a combined transmission component;
the stay bar adjusting assembly is arranged at the lower end part of the stay bar and comprises a first combined transmission system and a second combined transmission system;
the combined transmission assembly comprises a coarse adjustment assembly and a fine adjustment assembly, the coarse adjustment assembly is matched with the first combined transmission system, and the fine adjustment assembly is matched with the second combined transmission system;
the first combined transmission system is symmetrically arranged in the base and comprises a first transmission gear, a first adjusting gear and a first transmission chain;
the first transmission gear is rotatably arranged in the base;
the first transmission chain is arranged between the first transmission gear and the first adjusting gear and meshed with the first transmission gear and the first adjusting gear;
the first adjusting gear is arranged on the stay bar and is connected with the stay bar in a threaded manner.
2. A linkage adjustment mechanism according to claim 1, wherein: the coarse adjustment assembly comprises a fourth transmission gear and a fifth transmission gear;
the fourth transmission gear is arranged in the base through a fixed block and meshed with the fifth transmission gear, and an adjusting rod is further arranged on the fourth transmission gear;
the fifth transmission gear is arranged on the base through a gear installation rod and meshed with the first transmission gear.
3. A linkage adjustment mechanism according to claim 1, wherein: the second combined transmission system is symmetrically arranged and comprises a second transmission gear, a second adjusting gear and a second transmission chain;
the second transmission gear is rotatably arranged in the base;
the second transmission chain is arranged between the second transmission gear and the second adjusting gear and meshed with the second transmission gear and the second adjusting gear;
the second adjusting gear is arranged on the stay bar and is connected with the stay bar in a threaded manner.
4. A linkage adjustment mechanism according to claim 3, wherein: the fine adjustment assembly comprises an adjusting rack, a mounting piece and a sixth transmission gear;
the mounting piece is arranged on the outer side of the base shell, and an adjusting chute is arranged on the mounting piece;
the adjusting rack is movably arranged on the mounting piece and meshed with the sixth transmission gear;
the sixth transmission gear is arranged on the base through a gear installation rod and meshed with the second transmission gear.
5. The linkage adjustment mechanism of claim 4, wherein: the lower side of the adjusting rack is also provided with a sliding block, and the sliding block is matched with the adjusting chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185000.4U CN220473167U (en) | 2023-05-17 | 2023-05-17 | Linkage adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185000.4U CN220473167U (en) | 2023-05-17 | 2023-05-17 | Linkage adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220473167U true CN220473167U (en) | 2024-02-09 |
Family
ID=89801494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321185000.4U Active CN220473167U (en) | 2023-05-17 | 2023-05-17 | Linkage adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220473167U (en) |
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2023
- 2023-05-17 CN CN202321185000.4U patent/CN220473167U/en active Active
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