CN216975991U - Two-way butt joint removable support formula trombone slide construction equipment - Google Patents
Two-way butt joint removable support formula trombone slide construction equipment Download PDFInfo
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- CN216975991U CN216975991U CN202123054360.4U CN202123054360U CN216975991U CN 216975991 U CN216975991 U CN 216975991U CN 202123054360 U CN202123054360 U CN 202123054360U CN 216975991 U CN216975991 U CN 216975991U
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Abstract
The application discloses removable support formula trombone slide construction equipment of two-way butt joint. The method comprises the following steps: the device comprises a pull tube and a damage device, wherein the pull tube is designed to comprise a replacement tube and a protection tube which are arranged in a sliding manner from outside to inside in sequence; the replacing pipe comprises a replaceable outer wall and a replaceable reserved pipe which are arranged in a sliding mode from outside to inside in sequence; a destruction device including a destruction tube for replacing the replaceable outer wall and the replaceable reserve tube; the outer wall of the destroying pipe is provided with a destroying piece used for destroying the replaceable outer wall; one end of the damage pipe is connected with an outer wall and a reserved pipe which are sequentially arranged in a sliding mode from outside to inside, and the free ends of the outer wall and the reserved pipe are connected with a driving shaft of the first driving device; the replaceable reserved pipe is drawn out from one side of the pull pipe, one end of the destroying pipe is inserted between the replaceable outer wall and the protective pipe, the first driving device is driven, the destroying device is driven to move along the axis of the destroying device in the direction far away from the first driving device, the destroying part destroys the replaceable outer wall, and the replaceable outer wall and the replaceable reserved pipe are replaced by the outer wall and the reserved pipe.
Description
Technical Field
The utility model relates to a trombone slide construction field, concretely relates to removable support formula trombone slide construction equipment of two-way butt joint.
Background
Along with the continuous and stable growth of economy in China, the urbanization process is further accelerated, the demand of underground pipelines in China is increased year by year, people adopt a pipe-pulling construction process to lay the underground pipelines, the pipe-pulling construction refers to a construction mode of penetrating the pipelines into the ground without damaging the ground surface structure, the repairing technology is simple to operate and quick in construction, particularly when a road or a building is arranged above the pipelines, the construction area is small, the influence on the environment is small but the influence on the geographical environment is caused, but the pipes can be scratched in the underground pipe-pulling construction process to cause damage to pipe-pulling bodies, and therefore the bidirectional butt joint replaceable support type pipe-pulling construction device is provided for solving the problems.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a reversible support-type double-butt pipe-pulling work apparatus with replaceable outer walls.
In a first aspect, the present application provides a removable support formula trombone slide construction equipment of two-way butt joint, includes:
the pull tube comprises a replacement tube and a protection tube which are arranged in a sliding manner from outside to inside in sequence;
the replacing pipe comprises a replaceable outer wall and a replaceable reserved pipe which are arranged in a sliding mode from outside to inside in sequence;
the destroying device comprises a destroying pipe, a destroying part is arranged on the outer wall of the destroying pipe, one end of the destroying pipe is connected with an outer wall and a reserved pipe which are sequentially arranged in a sliding mode from outside to inside, and the free ends of the outer wall and the reserved pipe are connected with a driving shaft of the first driving device;
the replaceable reserved pipe is pulled out from one side of the pull pipe, one end of the destroying pipe is inserted between the replaceable outer wall and the protective pipe, the first driving device is driven to drive the destroying device to move along the axis of the destroying device in the direction far away from the first driving device, the destroying piece destroys the replaceable outer wall, and the replaceable outer wall and the replaceable reserved pipe are replaced by the outer wall and the reserved pipe.
According to the technical scheme provided by the embodiment of the application, the pull tube comprises:
a first butt pipe having one end connected to a driving shaft of the second driving device;
the second pair of connecting pipes are coaxially arranged with the first pair of connecting pipes, and one ends of the second pair of connecting pipes, which are far away from the first pair of connecting pipes, are connected with a driving shaft of a third driving device;
and driving the second driving device and the third driving device to drive the first butt joint pipe and the second butt joint pipe to mutually approach along the axis direction until the first butt joint pipe and the second butt joint pipe are mutually butted.
According to the technical scheme provided by the embodiment of the application, the first butting pipe comprises: a first replacement pipe and a first protection pipe;
the first replacement pipe and the first protection pipe can move along the axis of the first replacement pipe and the axis of the first protection pipe in a direction away from the second driving device under the driving of the second driving device.
According to the technical scheme provided by the embodiment of the application, the second pair of connection pipes comprises: a second replacement tube and a second protection tube;
the second replacement pipe and the second protection pipe can move along the axis of the second replacement pipe in the direction far away from the third driving device under the driving of the third driving device until the first replacement pipe is butted with the second replacement pipe to form a replacement pipe, and the first protection pipe is butted with the second protection pipe to form a protection pipe.
According to the technical scheme provided by the embodiment of the application, the first replaceable pipe is provided with a first replaceable outer wall and a first replaceable reserved pipe in a sliding mode from outside to inside in sequence;
the first protection pipe is sequentially provided with a first propelling pipe, a first outer pipe and a first inner pipe in a sliding manner from outside to inside;
the first propelling pipe, the first outer pipe and the first inner pipe can move along the axis of the first propelling pipe in the direction far away from the second driving device under the driving of the second driving device in sequence.
According to the technical scheme provided by the embodiment of the application, the second replaceable pipe is provided with a second replaceable outer wall and a second replaceable reserved pipe in a sliding mode from outside to inside in sequence;
the second protecting pipe is sequentially provided with a second propelling pipe, a second outer pipe and a second inner pipe in a sliding manner from outside to inside;
the second propulsion pipe, the second outer pipe and the second inner pipe can move along the axis of the second propulsion pipe in the direction away from the third driving device under the driving of the third driving device in sequence until the second propulsion pipe, the second propulsion pipe and the second inner pipe are in one-to-one correspondence with the first propulsion pipe respectively, and the first outer pipe and the first inner pipe are in butt joint.
According to the technical scheme provided by the embodiment of the application, the first propulsion pipe and the second propulsion pipe can be connected through a bolt; the first outer pipe and the second outer pipe can be connected through bolts; the first inner pipe and the second inner pipe can be connected through bolts.
According to the technical scheme provided by the embodiment of the application, the free end of the first butt joint pipe is provided with a first propelling piece; a second pushing sheet is arranged at the free end of the second butt joint pipe;
the first propelling piece is pushed to be flat by the first propelling pipe, and the second propelling piece is pushed to be flat by the second propelling pipe, so that the first propelling piece and the second propelling piece can be butted.
According to the technical scheme provided by the embodiment of the application, a first reserved space is arranged between the outer wall and the first propelling pipe; and a second reserved space is arranged between the outer wall and the second propelling pipe.
In conclusion, the technical scheme specifically discloses a specific structure of a bidirectional butt joint replaceable support type stay tube construction device. The pipe drawing device is designed with a drawing pipe, which comprises a replacement pipe and a protection pipe which are arranged in a sliding manner from outside to inside in sequence and is used for providing multiple protection for a construction pipe; the replacing pipe comprises a replaceable outer wall and a replaceable reserved pipe which are arranged in a sliding mode from outside to inside in sequence; a breaking device comprising a breaking tube for replacing the replaceable outer wall and the replaceable reserve tube; the outer wall of the destroying pipe is provided with a destroying piece, and the destroying piece is used for destroying the replaceable outer wall; one end of the damage pipe is connected with an outer wall and a reserved pipe which are sequentially arranged in a sliding mode from outside to inside, and the free ends of the outer wall and the reserved pipe are connected with a driving shaft of the first driving device; the replaceable reserved pipe is drawn out from one side of the pull pipe, one end of the destroying pipe is inserted between the replaceable outer wall and the protective pipe, the first driving device is driven, the destroying device is driven to move along the axis of the destroying device in the direction far away from the first driving device, the destroying part destroys the replaceable outer wall, and the replaceable outer wall and the replaceable reserved pipe are replaced by the outer wall and the reserved pipe.
The utility model discloses a removable trombone slide outer wall that damages of this scheme to solve the problem of trombone slide construction in-process pipeline damage.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a bidirectional butt joint replaceable support type pipe pulling construction device.
Fig. 2 is a schematic view of a butt joint pipe structure of a bidirectional butt joint replaceable support type pipe pulling construction device.
Reference numbers in the figures: 1. the outer wall can be replaced; 2. the reserved pipe can be replaced; 3. a destruction device; 4. destroying the tube; 5. an outer wall; 6. reserving a pipe; 7. a first docking pipe; 8. a second driving device; 9. a second pair of adapter tubes; 10. a third driving device; 11. a first propulsion pipe; 12. a first outer tube; 13. A first inner tube; 14. a second propulsion pipe; 15. a second outer tube; 16. a second inner tube; 17. a first propulsion sheet; 18. a second propulsion sheet; 19. a first reserved space; 20. a second reserved space; 21. a first replaceable outer wall; 22. a second replaceable outer wall.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
Please refer to fig. 1, which illustrates a schematic structural diagram of a first embodiment of a bidirectional butt joint replaceable supporting type pipe pulling construction device provided by the present application, including:
the pull tube comprises a replacement tube and a protection tube which are arranged in a sliding manner from outside to inside in sequence;
the replacing pipe comprises a replaceable outer wall 1 and a replaceable reserved pipe 2 which are arranged in a sliding mode from outside to inside in sequence;
the destroying device 3 comprises a destroying pipe 4, a destroying part is arranged on the outer wall of the destroying pipe 4, one end of the destroying pipe 4 is connected with an outer wall 5 and a reserved pipe 6 which are arranged in a sliding mode from outside to inside in sequence, and the free ends of the outer wall 5 and the reserved pipe 6 are connected with a driving shaft of the first driving device;
removable reservation pipe 2 is taken out from trombone slide one side, will destroy 4 one ends of pipe and insert between removable outer wall 1 and protection tube, the first drive arrangement of drive, drive to destroy device 3 and remove to the direction of keeping away from first drive arrangement along its axis, destroy the piece and destroy removable outer wall 1, outer wall 5 and reservation pipe 6 replace removable outer wall 1 and removable reservation pipe 2.
In the embodiment, the pull pipe comprises a replacement pipe and a protection pipe which are arranged in a sliding manner from outside to inside in sequence and are used for providing multiple protection for the construction pipe;
a breaking device 3 for replacing the replaceable outer wall 1 and the replaceable reserve tube 2;
the damage device 3 comprises a damage pipe 4, and the damage pipe 4 is sleeved outside the protection pipe;
the destroying piece is arranged on the outer wall of the destroying pipe 4 and is used for destroying the replaceable outer wall 1;
the outer wall 5 and the reserved pipe 6 are arranged at one end of the damage pipe, and the outer wall 5 is sleeved on the reserved pipe 6 in a sliding manner;
the driving shaft of the first driving device is connected with the outer wall 5 and the free end of the reserve pipe 6 and is used for driving the breaking device 3 to move along the axis of the first driving device in the direction far away from the first driving device;
removable reservation pipe 2 is taken out from trombone slide one side, will destroy 4 one ends of pipe and insert between removable outer wall 1 and protection tube, the first drive arrangement of drive, drive to destroy device 3 and remove to the direction of keeping away from first drive arrangement along its axis, destroy the piece and destroy removable outer wall 1, outer wall 5 and reservation pipe 6 replace removable outer wall 1 and removable reservation pipe 2.
As shown in fig. 2, the pulling tube includes: the first butt joint pipe 7 is used for providing multiple protection for the construction pipe;
a second driving device 8, one end of which is provided with a driving shaft, the driving shaft of the second driving device 8 is connected with the first butt joint pipe 7 and is used for driving the first butt joint pipe 7 to move along the axis thereof;
the second pair of connecting pipes 9 are coaxially arranged with the first pair of connecting pipes 7 and are used for providing multiple protection for the construction pipe;
a third driving device 10, one end of which is provided with a driving shaft, and the driving shaft of the third driving device 10 is connected with one end of the second butt joint pipe 9 far away from the first butt joint pipe 7 and is used for driving the second butt joint pipe 9 to move along the axis thereof;
and driving the second driving device 8 and the third driving device 10 to drive the first butt joint pipe 7 and the second butt joint pipe 9 to mutually approach along the axial direction until the butt joint is realized.
As shown in fig. 2, specifically, the first butting pipe 7 includes: a first replacement pipe and a first protection pipe;
the first replacement pipe is used for being replaced after being butted with the second replacement pipe;
the first protection pipe is used for protecting the construction pipe after being butted with the second protection pipe;
the first replacement pipe and the first protection pipe are movable along their axes in a direction away from the second driving device 8 by the second driving device 8.
As shown in fig. 2, in particular, the second pair of nipples 9 includes: a second replacement tube and a second protection tube;
the second replacement pipe is used for replacing the first replacement pipe after being butted with the first replacement pipe;
the second protection pipe is used for protecting the construction pipe after being butted with the first protection pipe;
the second replacement pipe and the second protection pipe can move along the axis of the second replacement pipe in the direction away from the third driving device 10 under the driving of the third driving device 10 until the first replacement pipe is butted with the second replacement pipe to form a replacement pipe, and the first protection pipe is butted with the second protection pipe to form a protection pipe.
As shown in fig. 2, specifically, the first replaceable pipe is provided with a first replaceable outer wall 21 and a first replaceable reserved pipe 2 in sequence from outside to inside;
the first protecting tube is provided with a first propelling tube 11, a first outer tube 12 and a first inner tube 13 in sequence from outside to inside in a sliding manner; the first propelling pipe 11 is used for pushing the first propelling piece 17 to make the outer wall horizontal; the first outer pipe 12 is used for butt joint of two-way outer pipes and protecting the inner pipes; the first inner pipe 13 is used for providing a construction space for the construction pipe 13;
the first propulsion tube 11, the first outer tube 12 and the first inner tube 13 are sequentially driven by the second driving device 8 to move along the axis thereof in a direction away from the second driving device 8.
As shown in fig. 2, specifically, the second replaceable pipe is provided with a second replaceable outer wall 22 and a second replaceable reserved pipe 2 in sequence from outside to inside;
the second protecting pipe is provided with a second propelling pipe 14, a second outer pipe 15 and a second inner pipe 16 in sequence from outside to inside in a sliding manner; the second propelling pipe 14 is used for pushing the second propelling piece 18 to make the outer wall horizontal; the second outer pipe 15 is used for butt joint of the two-way outer pipes and protecting the inner pipe; the second inner pipe 16 is used for providing a construction space for the construction pipe;
the second propulsion tube 14, the second outer tube 15 and the second inner tube 16 can move along the axis thereof in the direction away from the third driving device 10 under the driving of the third driving device 10 in sequence until being butted with the first propulsion tube 11, the first outer tube 12 and the first inner tube 13 in a one-to-one correspondence respectively.
As shown in fig. 1, alternatively, the first propulsion pipe 11 and the second propulsion pipe 14 may be connected by bolts; the first outer pipe 12 and the second outer pipe 15 can be connected through bolts; the first inner pipe 13 and the second inner pipe 16 may be connected by bolts.
As shown in fig. 2, the first propelling piece 17 is arranged at the free end of the first butt joint pipe 7 and used for excavating soil;
the second propelling piece 18 is arranged at the free end of the second butt joint pipe 9 and used for excavating soil;
the first propelling piece 17 is pushed to be flat by the first propelling pipe 11, and the second propelling piece 18 is pushed to be flat by the second propelling pipe 14, so that the first propelling piece 17 is butted with the second propelling piece 18.
As shown in fig. 2, a first reserved space 19 is provided between the outer wall 5 and the first propulsion pipe 11, and is used for providing a space for the butt joint of the first propulsion pipe 11 and the second propulsion pipe 14;
and the second reserved space 20 is arranged between the outer wall 5 and the second propelling pipe 14 and is used for providing a space for the butt joint of the first propelling pipe 11 and the second propelling pipe 14.
As shown in fig. 2, the method further includes: the construction pipe is used for laying a pipeline;
a fourth driving device, one end of which is provided with a driving shaft for driving the connecting piece to move along the axial direction;
one end of the connecting piece is connected with the driving shaft of the fourth driving device, and the other end of the connecting piece is connected with one end of the construction pipe and is used for dragging the construction pipe under the driving of the fourth driving device;
the connecting piece can drive the construction pipe to move towards the direction close to the fourth driving device along the axial direction of the first inner pipe 13 and the second inner pipe 16 under the driving of the fourth driving device until the construction pipe is laid in the first inner pipe 13 and the second inner pipe 16.
Specifically, the connector includes:
the first connecting piece is of a groove body structure, and a buckling piece is arranged in the first connecting piece and used for protecting the second connecting piece and the third connecting piece;
the first through hole is arranged at the bottom of the groove body structure and is used for penetrating through the third connecting piece;
the second connecting piece is of a groove body structure, is buckled in the first connecting piece through a buckling piece and is used for protecting the third connecting piece;
the second through hole is formed in the bottom of the groove body structure, and the first through hole and the second through hole are correspondingly formed and are used for penetrating through the third connecting piece;
and the number of the third connecting pieces is at least one, and the third connecting pieces penetrate through the first through holes and the second through holes to be connected with the construction pipes and are used for connecting the construction pipes.
The specific operation mode is as follows:
driving a second driving device 8 and a third driving device 10 to drive the first propelling pipe 11 and the second propelling pipe 14 to approach each other until the first propelling piece 17 and the second propelling piece 18 are pushed flat, so that the first propelling piece 17 is parallel to the replaceable reserved pipe 2, and the second propelling piece 18 is parallel to the replaceable reserved pipe 2 until the first propelling piece and the second propelling piece are butted with each other; then, the first outer tube 12 and the second outer tube 15 are pushed to approach each other until the first outer tube and the second outer tube are butted with each other; then, the first inner tube 13 and the second inner tube 16 are pushed to be close to each other until being butted to form a pull tube;
when the trombone slide outer wall damages and needs to be changed or change as required, take out removable reservation pipe 2 from trombone slide one side, will destroy 4 one ends of pipe and insert between removable outer wall 1 and the protection tube, drive first drive arrangement, drive destruction device 3 and remove to the direction of keeping away from first drive arrangement along its axis, destroy the piece and destroy removable outer wall 1, outer wall 5 and reservation pipe 6 replace removable outer wall 1 and removable reservation pipe 2, realize the pipeline and change.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. The utility model provides a removable support formula trombone slide construction equipment of two-way butt joint which characterized in that includes:
the pull tube comprises a replacement tube and a protection tube which are arranged in a sliding manner from outside to inside in sequence;
the replacing pipe comprises a replaceable outer wall (1) and a replaceable reserved pipe (2) which are arranged in a sliding mode from outside to inside in sequence;
the breaking device (3) comprises a breaking pipe (4), a breaking part is arranged on the outer wall of the breaking pipe (4), one end of the breaking pipe (4) is connected with an outer wall (5) and a reserved pipe (6) which are sequentially arranged in a sliding mode from outside to inside, and the free ends of the outer wall (5) and the reserved pipe (6) are connected with a driving shaft of the first driving device;
the replaceable reserved pipe (2) is drawn out from one side of the pulling pipe, one end of the destroying pipe (4) is inserted between the replaceable outer wall (1) and the protective pipe, the first driving device is driven to drive the destroying device (3) to move along the axis of the destroying device in the direction far away from the first driving device, the destroying piece destroys the replaceable outer wall (1), and the replaceable outer wall (1) and the replaceable reserved pipe (2) are replaced by the outer wall (5) and the reserved pipe (6).
2. The apparatus of claim 1, wherein the pull pipe comprises:
a first adapter tube (7) having one end connected to a drive shaft of a second drive device (8);
the second pair of connecting pipes (9), the second pair of connecting pipes (9) and the first pair of connecting pipes (7) are coaxially arranged, and one ends of the second pair of connecting pipes, which are far away from the first pair of connecting pipes (7), are connected with a driving shaft of a third driving device (10);
and driving the second driving device (8) and the third driving device (10) to drive the first butt joint pipe (7) and the second butt joint pipe (9) to mutually approach along the axis direction until the butt joint is realized.
3. A bi-directional butt joint interchangeable support type stay pipe construction device according to claim 2, wherein the first butt joint pipe (7) comprises: a first replacement pipe and a first protection pipe;
the first replacement pipe and the first protection pipe can move along the axis of the first replacement pipe and the axis of the first protection pipe in a direction away from the second driving device (8) under the driving of the second driving device (8).
4. A bi-directional butt joint interchangeable support type pipe drawing construction device according to claim 3, wherein the second butt joint pipe (9) comprises: a second replacement tube and a second protection tube;
the second replacement pipe and the second protection pipe can move along the axis of the second replacement pipe in the direction away from the third driving device (10) under the driving of the third driving device (10) until the first replacement pipe is butted with the second replacement pipe to form a replacement pipe, and the first protection pipe and the second protection pipe are butted to form a protection pipe.
5. The bidirectional butt joint replaceable support type pipe drawing construction device as claimed in claim 4, wherein: the first replacement pipe is sequentially provided with a first replaceable outer wall (21) and a first replaceable reserved pipe (2) in a sliding mode from outside to inside;
the first protection pipe is provided with a first propelling pipe (11), a first outer pipe (12) and a first inner pipe (13) in sequence from outside to inside in a sliding manner;
the first propelling pipe (11), the first outer pipe (12) and the first inner pipe (13) can be driven by the second driving device (8) to move along the axis of the first propelling pipe in a direction away from the second driving device (8) in sequence.
6. The bidirectional butt joint replaceable support type pipe drawing construction device as claimed in claim 5, wherein: the second replacement pipe is sequentially provided with a second replaceable outer wall (22) and a second replaceable reserved pipe (2) in a sliding mode from outside to inside;
the second protecting pipe is sequentially provided with a second propelling pipe (14), a second outer pipe (15) and a second inner pipe (16) in a sliding manner from outside to inside;
the second propulsion pipe (14), the second outer pipe (15) and the second inner pipe (16) can be driven by the third driving device (10) in sequence and move along the axis of the second propulsion pipe in the direction away from the third driving device (10) until the second propulsion pipe and the first propulsion pipe (11) are respectively in one-to-one correspondence, and the first outer pipe (12) and the first inner pipe (13) are in butt joint.
7. The bidirectional butt joint replaceable support type pipe drawing construction device as claimed in claim 6, wherein: the first propulsion pipe (11) and the second propulsion pipe (14) can be connected through bolts; the first outer pipe (12) and the second outer pipe (15) can be connected through bolts; the first inner pipe (13) and the second inner pipe (16) can be connected by bolts.
8. The two-way butt joint replaceable support type pipe drawing construction device according to claim 7, characterized in that: the free end of the first butt joint pipe (7) is provided with a first pushing sheet (17); the free end of the second butt joint pipe (9) is provided with a second propelling piece (18);
the first propelling sheet (17) is pushed to be flat through the first propelling pipe (11), the second propelling sheet (18) is pushed to be flat through the second propelling pipe (14), and the first propelling sheet (17) and the second propelling sheet (18) can be butted.
9. The bidirectional butt joint replaceable support type pipe drawing construction device as claimed in claim 6, wherein: a first reserved space (19) is arranged between the outer wall (5) and the first propelling pipe (11); a second reserved space (20) is arranged between the outer wall (5) and the second propelling pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054360.4U CN216975991U (en) | 2021-12-07 | 2021-12-07 | Two-way butt joint removable support formula trombone slide construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054360.4U CN216975991U (en) | 2021-12-07 | 2021-12-07 | Two-way butt joint removable support formula trombone slide construction equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216975991U true CN216975991U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123054360.4U Active CN216975991U (en) | 2021-12-07 | 2021-12-07 | Two-way butt joint removable support formula trombone slide construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975991U (en) |
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2021
- 2021-12-07 CN CN202123054360.4U patent/CN216975991U/en active Active
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