CN214116177U - Quick connecting device of paver longitudinal wave appearance - Google Patents
Quick connecting device of paver longitudinal wave appearance Download PDFInfo
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- CN214116177U CN214116177U CN202022844250.7U CN202022844250U CN214116177U CN 214116177 U CN214116177 U CN 214116177U CN 202022844250 U CN202022844250 U CN 202022844250U CN 214116177 U CN214116177 U CN 214116177U
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- longitudinal wave
- paver
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Abstract
The utility model discloses a quick connecting device for a longitudinal wave instrument of a paver, which comprises a connecting column and a connecting sleeve, wherein a step hole is formed from one end to the other end of the connecting column in a through manner, the step hole comprises a first through hole and a second through hole of a coaxial line, and the aperture of the first through hole is larger than that of the second through hole; the inner wall of the second through hole is provided with a guide groove with the same length as the second through hole along the axial direction of the inner wall; the inner wall of the second through hole is also provided with a limiting groove along the self axial direction, the limiting groove is downwards arranged from one end close to the first through hole, and the length of the limiting groove is smaller than that of the second through hole; the outer circumferential surface of the connecting sleeve is internally provided with a threaded hole along the radial direction of the connecting sleeve in a penetrating way, and a limiting rod is fixed on the outer circumferential surface of the connecting sleeve along the radial direction of the connecting sleeve; the outer circumference of the connecting sleeve is in clearance fit with the second through hole, the limiting rod can slide along the guide groove, and the limiting rod can be clamped in the limiting groove. The utility model discloses be convenient for longitudinal wave appearance quick installation and dismantlement, labour saving and time saving, and the connection is reliable.
Description
Technical Field
The utility model belongs to the technical field of the paver, concretely relates to paver compressional wave appearance quick connect device.
Background
The paver longitudinal wave appearance is the important instrument in the paver road surface construction, and the longitudinal wave appearance needs frequent dismouting in the paver road surface construction, and the traditional connected mode of longitudinal wave appearance is: firstly, a connecting sleeve fixedly connected with a paver is sleeved on a connecting head of a longitudinal wave instrument, then a screw is screwed into the connecting sleeve from a threaded hole formed in the outer circumferential surface of the connecting sleeve, and the connecting head of the longitudinal wave instrument is tightly jacked by the screw to realize connection. The defect of the connection mode is that when the longitudinal wave instrument needs to be disassembled, the longitudinal wave instrument can be disassembled after the screw is unscrewed from the connecting sleeve every time; when the longitudinal wave instrument needs to be installed, the screws are required to be screwed into the connecting sleeves at each time to be fixedly connected with the longitudinal wave instrument, time and labor are wasted, frequent disassembly is prone to damage phenomena such as screw breakage and wire slipping, the strong vibration of the paver during working easily causes loosening of the screws on the connecting sleeves, the phenomena of failure such as loosening and falling of the connection of the longitudinal wave instrument during construction operation are directly caused, problems are brought to pavement construction operation, and the construction quality of a highway is even influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a paver longitudinal wave appearance quick connecting device, the quick installation and the quick dismantlement of the longitudinal wave appearance of being convenient for, labour saving and time saving just connects the requirement that reliably can satisfy high-grade road surface construction.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a quick connecting device for a longitudinal wave instrument of a paver comprises a connecting column and a connecting sleeve, wherein a step hole is formed in one end of the connecting column to the other end of the connecting column in a penetrating mode, the step hole comprises a first through hole and a second through hole which are coaxial, and the aperture of the first through hole is larger than that of the second through hole; the inner wall of the second through hole is provided with a guide groove with the same length as the second through hole along the axial direction of the inner wall; the inner wall of the second through hole is also provided with a limiting groove along the self axial direction, the limiting groove is downwards arranged from one end close to the first through hole, and the length of the limiting groove is smaller than that of the second through hole; the outer circumferential surface of the connecting sleeve is provided with a threaded hole which penetrates inwards along the radial direction of the connecting sleeve, and a limiting rod is fixed outwards along the radial direction of the connecting sleeve; the outer circumferential surface of the connecting sleeve is in clearance fit with the second through hole, the limiting rod can slide along the guide groove, and the limiting rod can be clamped in the limiting groove; the spliced pole is used for fixing on the paver, the adapter sleeve is used for fixed longitudinal wave appearance.
Furthermore, the connecting device further comprises a first pressing plate, a second pressing plate and an elastic piece, wherein the first pressing plate is fixedly covered at one end, provided with the first through hole, of the connecting column, the second pressing plate is in clearance fit in the first through hole, one end of the elastic piece abuts against the end face, close to the second pressing plate, of the first pressing plate, and the other end of the elastic piece abuts against the end face, close to the first pressing plate, of the second pressing plate.
Furthermore, a first convex block is fixed on the end face of the first pressing plate close to the second pressing plate, a second convex block is fixed on the end face of the second pressing plate close to the first pressing plate, one end of the elastic piece is sleeved on the first convex block, and the other end of the elastic piece is sleeved on the second convex block.
Furthermore, a connecting rod is fixed on the end face, far away from the second pressing plate, of the first pressing plate, and the connecting rod is used for being fixedly connected with the spreading machine.
Further, the elastic member is a spring.
Further, the first pressure plate is connected with the connecting column through a bolt.
Furthermore, the number of the guide grooves is two, and the two guide grooves are arranged oppositely;
the limiting grooves are four in number, two of the limiting grooves are arranged just opposite to each other, the other two limiting grooves are arranged just opposite to each other, and each limiting groove is arranged close to the guide groove.
Furthermore, the threaded holes are three and are uniformly distributed along the circumferential direction of the connecting sleeve.
When the longitudinal wave instrument is installed on the paver, the connecting sleeve is sleeved on the connecting head of the longitudinal wave instrument, a bolt is screwed in from the threaded hole to fix the connecting head of the longitudinal wave instrument, a limiting rod on the connecting sleeve is aligned with the bottom of the guide groove in the second through hole, the connecting sleeve is pushed upwards until the limiting rod slides out from the top of the guide groove, the connecting sleeve is rotated to align the limiting rod with the limiting groove in the second through hole, and then the limiting rod is clamped in the limiting groove to finish installation;
when the longitudinal wave instrument is disassembled from the paver, the connecting sleeve is pushed upwards to enable the limiting rod to be separated from the limiting groove, then the connecting sleeve is rotated to enable the limiting rod on the connecting sleeve to be aligned with the top of the guide groove in the second through hole, and then the connecting sleeve moves downwards until the limiting rod slides out of the bottom of the guide groove, and then the disassembly is completed.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model provides a quick connecting device of paver longitudinal wave appearance, divide into two kinds of operating modes when using, the first is when installing the longitudinal wave appearance to the paver, establish the adapter sleeve on the connector head of longitudinal wave appearance, twist the bolt from the screw hole and fix the connector head of longitudinal wave appearance, after aligning the gag lever post on the adapter sleeve with the bottom of the guide slot in the second through-hole, promote the adapter sleeve upwards, until after the gag lever post slips off from the top of guide slot, rotate the adapter sleeve, after the gag lever post aligns with the spacing groove on the second through-hole, make the gag lever post block in the spacing groove, accomplish the installation; and the second method is that when the longitudinal wave instrument is disassembled from the paver, the connecting sleeve is pushed upwards to separate the limiting rod from the limiting groove, and then the connecting sleeve is rotated to align the limiting rod on the connecting sleeve with the top of the guide groove in the second through hole, so that the connecting sleeve moves downwards until the limiting rod slides out from the bottom of the guide groove, and then the disassembly is completed. To sum up, the utility model discloses be convenient for longitudinal wave appearance quick installation and quick dismantlement, labour saving and time saving, and connect the requirement that can reliably satisfy high-grade road surface construction.
Further, the utility model discloses a connecting device still includes first clamp plate, second clamp plate and elastic component, the fixed one end that covers first through-hole has been seted up on the spliced pole of first clamp plate, second clamp plate clearance fit is in first through-hole, the one end of elastic component supports on the terminal surface that is close to the second clamp plate on first clamp plate, the other end of elastic component supports on the terminal surface that is close to first clamp plate on the second clamp plate, when installing the longitudinal wave appearance on to the paver, under the spring action of first clamp plate and second clamp plate and elastic component, can make the gag lever post on the adapter sleeve automatically get into the spacing inslot, quick fixed locking can be realized to this design, accomplish the quick installation of longitudinal wave appearance.
Further, the utility model discloses a second lug on first lug on the first clamp plate and the second clamp plate fixes a position the elastic component for the working property of elastic component is more reliable.
Furthermore, a connecting rod is fixed on the end face, far away from the second pressing plate, of the first pressing plate, and the connecting rod is convenient to be fixedly connected with the spreading machine.
Furthermore, the elastic part is a spring, so that the cost is low and the reliability is high.
Further, the utility model discloses a first clamp plate passes through bolted connection with the spliced pole, and the two is connected for dismantling promptly, the connecting device's of being convenient for maintenance.
Furthermore, the two guide grooves are arranged oppositely, so that the limiting rod on the connecting sleeve can smoothly slide in or slide out from the second through hole; the spacing groove has four, and wherein two spacing grooves are just to setting up, and two other spacing grooves are just to setting up, and every spacing groove all is close to the guide slot setting, and after the gag lever post on the adapter sleeve followed the guide slot top roll-off, behind the swivel joint cover, the entering spacing inslot that the gag lever post can be quick, and no matter anticlockwise or clockwise rotation adapter sleeve, the homoenergetic enough makes the quick entering spacing inslot of gag lever post.
Furthermore, the threaded holes are three and uniformly distributed along the circumferential direction of the connecting sleeve, so that reliable connection of the longitudinal wave instrument is ensured.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the rapid connecting device for a longitudinal wave instrument of a paver of the present invention when connected with the longitudinal wave instrument;
FIG. 2 is an explosion diagram of the rapid connecting device for a longitudinal wave instrument of a paver of the present invention when it is matched with the longitudinal wave instrument;
FIG. 3 is a schematic view of a cross-sectional structure of the rapid connecting device for a longitudinal wave instrument of a paver of the present invention when connected with the longitudinal wave instrument;
FIG. 4 is a schematic view of the connecting column structure of the rapid connecting device for the longitudinal wave instrument of the paver of the present invention;
fig. 5 is a schematic view of a connecting sleeve structure of the rapid connecting device for the longitudinal wave instrument of the paver of the present invention;
fig. 6 is a schematic structural view of a first pressing plate of the rapid connecting device for a longitudinal wave instrument of a paver of the present invention;
fig. 7 is a schematic structural view of a second pressing plate of the rapid connecting device for a longitudinal wave instrument of a paver of the present invention;
fig. 8 is a schematic structural view of an elastic member of the rapid connecting device for a longitudinal wave instrument of a paver of the present invention;
fig. 9 is a schematic view of a connecting rod structure of the rapid connecting device for the longitudinal wave instrument of the paver of the present invention;
FIG. 10 is a schematic diagram of a compressometer structure.
In the figure: 1-connecting column; 101-a first via; 102-a second via; 2-a guide groove; 3-limiting groove; 4-connecting sleeves; 5-a threaded hole; 6-a limiting rod; 7-a first platen; 8-a second platen; 9-an elastic member; 10-a first bump; 11-a second bump; 12-a connecting rod; 13-bolt holes; 14-compressometer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As a certain embodiment of the utility model, combine fig. 1 and fig. 2 to show, the utility model discloses a paver compressional wave appearance quick connecting device, including spliced pole 1, adapter sleeve 4, first clamp plate 7, second clamp plate 8, elastic component 9 and connecting rod 12, as shown in fig. 4, spliced pole 1 is the cylinder, and the one end of spliced pole 1 is link up to the other end and has been seted up the step hole, and the step hole includes first through-hole 101 and the second through-hole 102 of coaxial line, and the aperture of first through-hole 101 is greater than the aperture of second through-hole 102.
As shown in fig. 4, the inner wall of the second through hole 102 is provided with two guide grooves 2 having the same length as the second through hole 102 along the axial direction thereof, in this embodiment, the two guide grooves 2 are arranged oppositely, that is, the center connecting line of the two guide grooves 2 passes through the center of the second through hole 102.
As shown in fig. 4, the inner wall of the second through hole 102 is further provided with a limiting groove 3 along the axial direction, the limiting groove 3 is formed downwards from one end close to the first through hole 101, and the length of the limiting groove 3 is smaller than that of the second through hole 102, in this embodiment, there are four limiting grooves 3, two of the limiting grooves 3 are arranged right opposite to each other, the other two limiting grooves 3 are arranged right opposite to each other, and each limiting groove 3 is arranged close to the guide groove 2.
As shown in fig. 5, the connection sleeve 4 is a cylinder, a threaded hole 5 is formed in the outer circumferential surface of the connection sleeve 4 in a penetrating manner along the radial direction, the connection sleeve 4 is used for fixing the longitudinal wave instrument 14, specifically, after the connection head of the longitudinal wave instrument 14 extends into the connection sleeve 4, a screw is screwed into the connection sleeve 4 from the threaded hole 5, the screw abuts against the annular groove of the connection head of the longitudinal wave instrument 14, the longitudinal wave instrument 14 and the connection sleeve 4 are fixed, and after the screw abuts against the annular groove of the connection head of the longitudinal wave instrument 14, the other end of the screw completely extends into the threaded hole 5, that is, the screw does not affect the smoothness of the outer circumferential surface of the connection sleeve 4. In this embodiment, threaded hole 5 has three, and three threaded hole 5 is along the circumference equipartition setting of adapter sleeve 4, ensures that the firm reliable head with compressional wave appearance 14 of screw is fixed.
As shown in fig. 5, a limiting rod 6 is fixed on the outer circumferential surface of the connecting sleeve 4 along the radial direction, the limiting rod 6 can slide along the guide groove 2, and the limiting rod 6 can be clamped in the limiting groove 3. In this embodiment, two limiting rods 6 are fixed on the outer circumferential surface of the connecting sleeve 4, and the two limiting rods 6 are arranged opposite to each other, that is, the axes of the two limiting rods 6 pass through the center of the connecting sleeve 4.
As shown in fig. 2 and 3, when the connecting sleeve 4 extends into the second through hole 102, the outer circumferential surface of the connecting sleeve 4 is in clearance fit with the second through hole 102.
As shown in fig. 1, fig. 2, fig. 3, fig. 6, fig. 7 and fig. 8, the first pressing plate 7 is fixedly covered on the connecting column 1, one end of the first through hole 101 is formed in the connecting column, the second pressing plate 8 is in clearance fit in the first through hole 101, one end of the elastic element 9 abuts against the end surface, close to the second pressing plate 8, of the first pressing plate 7, and the other end of the elastic element 9 abuts against the end surface, close to the first pressing plate 7, of the second pressing plate 8. In the present embodiment, as shown in fig. 4 and 6, bolt holes 13 are respectively formed in corresponding positions on the first pressing plate 7 and the connecting column 1, and the first pressing plate 7 and the connecting column 1 are detachably connected by bolts.
As shown in fig. 6, a first bump 10 is fixed on the end surface of the first pressing plate 7 close to the second pressing plate 8, as shown in fig. 7, a second bump 11 is fixed on the end surface of the second pressing plate 8 close to the first pressing plate 7, one end of the elastic element 9 is sleeved on the first bump 10, the other end of the elastic element 9 is sleeved on the second bump 11, and the elastic element 9 is more stably and conveniently mounted by the first bump 10 and the second bump 11. As shown in fig. 8, the elastic member 9 is a spring.
As shown in fig. 1, 2, 3 and 9, a connecting rod 12 is fixed on an end surface of the first pressing plate 7 far from the second pressing plate 8, and the connecting rod 12 is used for being fixedly connected with the spreading machine, that is, the whole connecting device is connected with the spreading machine through the connecting rod 12.
In a specific embodiment, the utility model relates to a paver compressional wave appearance quick connecting device, from the three screw hole 5 of 40 mm's the upwards height evenly distributed in the bottom of adapter sleeve 4, 3M 6's awl end holding screw and screw hole 5 are fixed with the head with compressional wave appearance 14. The diameters of the two limiting rods 6 are 6mm, and the lengths from the end parts of the two limiting rods 6 to the outer circumferential surface of the connecting sleeve 4 are both 5 mm. The length of the connecting column 1 is 70mm, the diameter of the first through hole 101 is 80mm, the depth of the first through hole is 48mm, and the diameter of the second through hole 102 is 64mm, and the depth of the second through hole is 22 mm. The groove depth of the two guide grooves 2 is 5.5mm, the groove width is 8mm, and the groove length is 22mm, so that the two limiting rods 6 on the outer circumferential surface of the connecting sleeve 4 can conveniently slide in the guide grooves 2. The four limiting grooves 3 are arranged oppositely in pairs, the included angle formed by the connecting line of the centers of the two limiting grooves 3 arranged oppositely and the connecting line of the centers of the two guide grooves 2 is 30 degrees, the two groups of limiting grooves 3 are used for positioning the longitudinal wave instrument 14 in pavement construction, and the four limiting grooves 3 are 5.5mm in depth, 6mm in width and 6mm in length. One end of the connecting column 1, which is provided with the first through hole 101, is fixedly connected with the first pressure plate 7 and the connecting column 1 through 4M 5 screws.
When the connecting sleeve 4 on the connecting head of the longitudinal wave instrument 14 is jacked upwards from the end of the second through hole 102 along the guide groove 2, the two limiting rods 6 on the outer side of the connecting sleeve 4 slide upwards along the guide groove 2, and when the connecting sleeve 4 slides out of the upper end of the guide groove 2, the connecting sleeve 4 rotates by 30 degrees (both anticlockwise and clockwise), and under the elastic force action of the first pressing plate 7, the second pressing plate 8 and the elastic part 9 of the connecting device, the limiting rods 6 on the connecting sleeve 4 automatically enter a group of limiting grooves 3, so that quick fixing and locking are realized, and the installation process of the longitudinal wave instrument 14 is completed; when the longitudinal wave instrument 14 is disassembled, the longitudinal wave instrument 14 is jacked up to reversely rotate the connecting sleeve 4 by 30 degrees, so that the limiting rod 6 on the connecting sleeve 4 enters the guide groove 2, and the longitudinal wave instrument 14 is withdrawn (namely, the longitudinal wave instrument 14 is disassembled).
The utility model relates to a paver compressional wave appearance quick connect device's application method specifically is: when the longitudinal wave instrument 14 is installed on a paver, the connecting rod 12 is fixed on the paver, the connecting sleeve 4 is sleeved on the connecting head of the longitudinal wave instrument 14, a bolt is screwed in from the threaded hole 5 to fix the connecting head of the longitudinal wave instrument 14, the limiting rod 6 on the connecting sleeve 4 is aligned with the bottom of the guide groove 2 in the second through hole 102, the connecting sleeve 4 is pushed upwards until the limiting rod 6 slides out from the top of the guide groove 2, the connecting sleeve 4 is rotated to align the limiting rod 6 with the limiting groove 3 on the second through hole 102, and the limiting rod 6 is automatically clamped in the limiting groove 3 under the elastic force action of the first pressing plate 7, the second pressing plate 8 and the elastic piece 9 of the connecting device to complete installation.
When the longitudinal wave instrument 14 is disassembled from the paver, the connecting sleeve 4 is pushed upwards to separate the limiting rod 6 from the limiting groove 3, then the connecting sleeve 4 is rotated to align the limiting rod 6 on the connecting sleeve 4 with the top of the guide groove 2 in the second through hole 102, and then the connecting sleeve 4 moves downwards until the limiting rod 6 slides out from the bottom of the guide groove 2, and then the disassembly is completed.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The quick connecting device for the longitudinal wave instrument of the paver is characterized by comprising a connecting column (1) and a connecting sleeve (4), wherein a step hole is formed in the connecting column (1) from one end to the other end in a penetrating mode and comprises a first through hole (101) and a second through hole (102) which are coaxial, and the aperture of the first through hole (101) is larger than that of the second through hole (102); the inner wall of the second through hole (102) is provided with a guide groove (2) with the same length as the second through hole (102) along the axial direction of the inner wall; a limiting groove (3) is further formed in the inner wall of the second through hole (102) along the axial direction of the limiting groove, the limiting groove (3) is formed downwards from one end close to the first through hole (101), and the length of the limiting groove (3) is smaller than that of the second through hole (102); the outer circumferential surface of the connecting sleeve (4) is provided with a threaded hole (5) which penetrates inwards along the radial direction of the connecting sleeve, and a limiting rod (6) is fixed outwards along the radial direction of the connecting sleeve (4); the outer circumferential surface of the connecting sleeve (4) is in clearance fit with the second through hole (102), the limiting rod (6) can slide along the guide groove (2), and the limiting rod (6) can be clamped in the limiting groove (3); the connecting column (1) is used for being fixed on the paver, and the connecting sleeve (4) is used for fixing the longitudinal wave instrument.
2. The quick connecting device of paver compressometer of claim 1, characterized in that, connecting device still includes first clamp plate (7), second clamp plate (8) and elastic component (9), first clamp plate (7) is fixed to be covered seted up on spliced pole (1) the one end of first through-hole (101), second clamp plate (8) clearance fit is in first through-hole (101), the one end of elastic component (9) is supported on first clamp plate (7) on the terminal surface that is close to second clamp plate (8), the other end of elastic component (9) supports on second clamp plate (8) on the terminal surface that is close to first clamp plate (7).
3. The quick connecting device for the longitudinal wave instrument of the paver of claim 2, characterized in that a first bump (10) is fixed on the end surface of the first pressing plate (7) close to the second pressing plate (8), a second bump (11) is fixed on the end surface of the second pressing plate (8) close to the first pressing plate (7), a sleeve of the elastic member (9) is arranged on the first bump (10), and the other sleeve of the elastic member (9) is arranged on the second bump (11).
4. The quick connecting device for the longitudinal wave instrument of the paver of claim 2, characterized in that a connecting rod (12) is fixed on the end face of the first pressing plate (7) far away from the second pressing plate (8), and the connecting rod (12) is used for being fixedly connected with the paver.
5. The quick connection device for a paver compressometer as claimed in claim 2, characterized in that said elastic member (9) is a spring.
6. The quick connecting device for the paver compressometer as defined in claim 2, wherein the first pressing plate (7) is connected with the connecting column (1) by bolts.
7. The quick connecting device for the longitudinal wave instrument of the spreading machine as claimed in claim 1, wherein the number of the guide grooves (2) is two, and the two guide grooves (2) are arranged oppositely;
the number of the limiting grooves (3) is four, wherein two limiting grooves (3) are arranged just opposite to each other, the other two limiting grooves (3) are arranged just opposite to each other, and each limiting groove (3) is arranged close to the guide groove (2).
8. The quick connecting device for the longitudinal wave instrument of the spreading machine as claimed in claim 1, wherein the number of the threaded holes (5) is three, and the three threaded holes (5) are uniformly distributed along the circumferential direction of the connecting sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022844250.7U CN214116177U (en) | 2020-11-30 | 2020-11-30 | Quick connecting device of paver longitudinal wave appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022844250.7U CN214116177U (en) | 2020-11-30 | 2020-11-30 | Quick connecting device of paver longitudinal wave appearance |
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| Publication Number | Publication Date |
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| CN214116177U true CN214116177U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022844250.7U Active CN214116177U (en) | 2020-11-30 | 2020-11-30 | Quick connecting device of paver longitudinal wave appearance |
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|---|---|
| CN (1) | CN214116177U (en) |
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- 2020-11-30 CN CN202022844250.7U patent/CN214116177U/en active Active
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