CN221421658U - Self-propelled hydraulic trestle - Google Patents
Self-propelled hydraulic trestle Download PDFInfo
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- CN221421658U CN221421658U CN202322958959.3U CN202322958959U CN221421658U CN 221421658 U CN221421658 U CN 221421658U CN 202322958959 U CN202322958959 U CN 202322958959U CN 221421658 U CN221421658 U CN 221421658U
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- trestle
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- landing stage
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a self-propelled hydraulic trestle, which relates to the technical field of hydraulic trestles and comprises a supporting base and a trestle body, wherein four screws are rotatably arranged on the inner wall of the top of the supporting base. When the landing stage body is used, when one side of the landing stage body needs to be prolonged, the lifting plate is driven to move upwards through the transmission component, and when the lifting plate moves upwards, the extension plate is driven to slide in the direction away from the landing stage body under the action of the connection component, so that one side of the landing stage body is prolonged, and when two sides need to be regulated, only two lifting motors need to be started. When the landing stage body is in use, the rotating shaft and the two threaded sleeves are driven to synchronously rotate through the linkage assembly, and then the two screw rods are driven to synchronously move upwards.
Description
Technical Field
The utility model relates to the technical field of hydraulic trestle, in particular to a self-propelled hydraulic trestle.
Background
Trestle is a temporary bridge structure shaped like a bridge, used for loading and unloading goods or boarding and disembarking passengers or specially used for traffic, mechanical arrangement and overhead operation on construction sites, in stations, ports, mines or factories. In civil engineering, temporary bridge facilities built for transporting materials, equipment and personnel are divided into wooden trestle and steel trestle according to the adopted materials.
The patent with the publication number CN216765547U discloses a tunnel inverted arch construction hydraulic self-propelled walking trestle, which can adjust the transverse distance and the vertical supporting distance of a trestle shell, but can not play a better protection function for workers in actual use, the workers are easy to step on the phenomena of empty falling and the like when walking on the trestle, the safety performance is lower, and the self-propelled hydraulic trestle is provided for the problems.
Disclosure of utility model
The application aims to provide a self-propelled hydraulic trestle, which solves the problems that the self-propelled hydraulic trestle cannot achieve a better protection function for workers, the workers are easy to step on the trestle and fall down when walking, and the safety performance is low.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a self-propelled hydraulic trestle, includes support base, trestle body, the top inner wall of support base rotates installs four screw rods, the bottom of trestle body with four the screw rods is all rotated and is connected, two of every looks adaptation be provided with drive assembly on the screw rod jointly, two of every looks adaptation the screw rod is last to be installed the lifter plate by common screw thread, rectangular channel has all been seted up to the both sides portion of trestle body, two equal slidable mounting has the extension board in the rectangular channel, two the lateral part of extension board all is provided with the reinforcing component, two the bottom of extension board all is connected with two respectively through coupling assembling the lifter plate, the transmission chamber has been seted up in the trestle body, the relative inner wall of transmission chamber rotates and installs pivot, two thread bush, the pivot is connected with two through the link assembly between the thread bush equal screw rod is installed to the thread bush, two equal fixed mounting in the top of screw rod has the bottom plate, two equal fixed mounting in the bottom plate of screw rod has the bottom plate, two the bottom plate has the bottom plate between two and two top plate and two to set up the protection assembly.
Preferably, the transmission assembly comprises two first gears, the two first gears are respectively and fixedly sleeved on the two screw rods, the two first gears are provided with first chains in a meshed mode, the inner wall of the bottom of the supporting base is provided with a motor groove, a lifting motor is arranged in the motor groove, and an output shaft of the lifting motor is connected with one end portion of one screw rod.
Preferably, the four screws are fixedly sleeved with limiting plates.
Preferably, the reinforcing component comprises a plurality of reinforcing columns, a plurality of circular grooves are formed in the side portions of the extension plates, one ends of the reinforcing columns are fixedly mounted on the inner walls of the side portions of the rectangular grooves, and the other ends of the reinforcing columns are respectively and slidably mounted in the circular grooves.
Preferably, the connecting assembly comprises two connecting rods, two square plates are fixedly arranged at the bottom of the extension plate, one ends of the two connecting rods are respectively and rotatably arranged at the bottoms of the two square plates, the other ends of the two connecting rods are respectively and rotatably arranged at the side parts of the lifting plates, two avoidance holes are formed in the inner wall of the bottom of the rectangular groove, and the two avoidance holes are respectively matched with the two square plates.
Preferably, the linkage assembly comprises three second gears, the three second gears are respectively and fixedly sleeved on the rotating shaft and the two threaded sleeves, the three second gears are jointly meshed with each other and provided with a second chain, the bottom of the trestle body is fixedly provided with a protection motor, and an output shaft of the protection motor is connected with the bottom end of the rotating shaft.
Preferably, the protection assembly comprises a plurality of protection rods, a plurality of sliding holes are formed in the top of the trestle body, the protection rods are respectively and slidably mounted in the sliding holes, the top ends of the protection rods are fixedly mounted at the bottom of the top plate, and the bottom ends of the protection rods are fixedly mounted at the top of the bottom plate.
In summary, the utility model has the technical effects and advantages that:
1. According to the utility model, when the trestle body is in use, the protective motor is started to drive the rotating shaft to rotate, and then the two threaded sleeves are driven to synchronously rotate under the combined action of the three second gears and the second chain, and then the two screw rods are driven to synchronously move upwards.
2. According to the utility model, when one side of the trestle body needs to be prolonged, one lifting motor is started, and then the two screws are driven to synchronously rotate under the action of the two first gears and the first chain, so that the lifting plate is driven to move upwards, and when the lifting plate moves upwards, the extending plate is driven to slide in the direction away from the trestle body under the action of the two connecting rods, so that one side of the trestle body is prolonged, and when two sides need to be regulated, only the two lifting motors are started, so that the service length of the trestle body can be increased, and the practicability is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a self-propelled hydraulic trestle in an embodiment of the present application;
FIG. 2 is a schematic view of a partial cross-section of a support base according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic view of a partial cut-away structure of a trestle body according to an embodiment of the present application;
fig. 5 is an enlarged schematic view of a threaded sleeve and a second gear according to an embodiment of the present application.
In the figure: 1. a support base; 2. trestle body; 3. a screw; 4. a lifting plate; 5. a first gear; 6. a first chain; 7. a lifting motor; 8. a limiting plate; 9. an extension plate; 10. a reinforcing column; 11. a square plate; 12. a connecting rod; 13. a rotating shaft; 14. a thread sleeve; 15. a second gear; 16. a second chain; 17. a screw rod; 18. a top plate; 19. a bottom plate; 20. a protective rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to a self-propelled hydraulic trestle shown in fig. 1-5, including supporting base 1, trestle body 2, four screw rods 3 are installed in the rotation of the top inner wall of supporting base 1, the bottom of trestle body 2 is all rotationally connected with four screw rods 3, be provided with drive assembly on two screw rods 3 of every looks adaptation jointly, lift plate 4 is installed to common screw thread on two screw rods 3 of every looks adaptation, rectangular channel has all been seted up to the both sides portion of trestle body 2, all slidable mounting has extension board 9 in the two rectangular channel, the lateral part of two extension boards 9 all is provided with the reinforcing component, the bottom of two extension boards 9 all is connected with two lift plate 4 respectively through coupling assembling, the transmission chamber has been seted up in the trestle body 2, pivot 13 is installed in the rotation of the relative inner wall of transmission chamber, two thread bush 14, be connected through the coupling assembling between pivot 13 and the two thread bush 14, lead screw 17 is all fixedly installed on the top of two lead screw 17, bottom plate 19 is all fixedly installed to the bottom plate 19, bottom plate 19 is all provided with protection between two bottom plate 19 and two top plate assembly.
By means of the structure, when the landing stage body 2 is required to be prolonged on one side, the lifting plate 4 is driven to move upwards through the transmission component, the extension plate 9 is driven to slide away from the landing stage body 2 under the action of the connection component when the lifting plate 4 moves upwards, one side of the landing stage body 2 is further prolonged, when two sides are required to be adjusted, only the two lifting motors 7 are required to be started, and therefore the use length of the landing stage body 2 can be improved, and the practicability is improved. When the trestle body 2 is used, the rotating shaft 13 and the two threaded sleeves 14 are driven to synchronously rotate through the linkage assembly, and then the two screw rods 17 are driven to synchronously move upwards, when the two screw rods 17 synchronously move upwards, the two top plates 18, the two bottom plates 19 and the protection assembly are driven to synchronously move upwards, the protection function is achieved on two side parts of the trestle body 2, the safety performance of the trestle body 2 in use is improved, and the protection function is achieved.
As shown in fig. 3, the transmission assembly includes two first gears 5, two first gears 5 are fixedly sleeved on two screw rods 3 respectively, first chains 6 are installed on the two first gears 5 in a mutual engagement manner, a motor groove is formed in the inner wall of the bottom of the support base 1, a lifting motor 7 is installed in the motor groove, an output shaft of the lifting motor 7 is connected with the end part of one screw rod 3, and the arrangement has the advantages that the two screw rods 3 can be driven to synchronously rotate through the arrangement of the two first gears 5, so that the lifting plate 4 is prevented from being blocked in the lifting process.
As shown in FIG. 3, the four screws 3 are fixedly sleeved with the limiting plates 8, and the limiting plate has the advantage that the limiting function of the lifting plate 4 during upward movement can be achieved through the arrangement of the limiting plates 8.
As shown in fig. 4, the reinforcing component comprises a plurality of reinforcing columns 10, a plurality of circular grooves are formed in the side portion of the extension plate 9, one ends of the reinforcing columns 10 are fixedly mounted on the inner wall of the side portion of the rectangular groove, and the other ends of the reinforcing columns 10 are slidably mounted in the circular grooves respectively.
As shown in fig. 3, the connecting assembly comprises two connecting rods 12, two square plates 11 are fixedly installed at the bottom of the extension plate 9, one ends of the two connecting rods 12 are respectively and rotatably installed at the bottoms of the two square plates 11, the other ends of the two connecting rods 12 are respectively and rotatably installed at the side parts of the lifting plate 4, two avoidance holes are formed in the inner wall of the bottom of the rectangular groove, the two avoidance holes are respectively matched with the two square plates 11, and the arrangement has the advantage that the horizontal movement of the extension plate 9 can be driven by the vertical movement of the lifting plate 4 through the arrangement of the two connecting rods 12.
As shown in fig. 5, the linkage assembly comprises three second gears 15, the three second gears 15 are respectively and fixedly sleeved on the rotating shaft 13 and the two threaded sleeves 14, the second chains 16 are mounted on the three second gears 15 in a meshed mode, a protection motor is fixedly mounted at the bottom of the trestle body 2, an output shaft of the protection motor is connected with the bottom end of the rotating shaft 13, and the linkage assembly has the advantages that through the arrangement of the three second gears 15, the synchronous rotation function of driving the two threaded sleeves 14 through rotation of the rotating shaft 13 can be achieved.
As shown in fig. 1, the protection assembly comprises a plurality of protection rods 20, a plurality of sliding holes are formed in the top of the trestle body 2, the protection rods 20 are respectively slidably mounted in the sliding holes, the top ends of the protection rods 20 are fixedly mounted at the bottom of the top plate 18, the bottom ends of the protection rods 20 are fixedly mounted at the top of the bottom plate 19, and the protection assembly has the advantages that the protection assembly can play a better protection function on workers through the arrangement of the protection rods 20 and improve the safety of the trestle body 2 in use.
The working principle of the utility model is as follows: when using the device, the user can install external drive device in the bottom of supporting base 1, make things convenient for follow-up drive device to displace, when needs are prolonged one side of landing stage body 2, start one of them elevator motor 7, and then drive two screw rods 3 synchronous rotation under the effect of two first gears 5 and first chain 6, and then drive lifter plate 4 upward movement, drive extension board 9 to keeping away from landing stage body 2 direction and slide under the effect of two connecting rods 12 when lifter plate 4 upward movement, and then realize prolonging one side of landing stage body 2, when need adjust both sides, only need start two elevator motor 7 can, set up like this, can promote landing stage body 2's length of use, the practicality is improved. When the trestle body 2 is in use, the protection motor is started to drive the rotating shaft 13 to rotate, then the two threaded sleeves 14 are driven to synchronously rotate under the combined action of the three second gears 15 and the second chain 16, and then the two screw rods 17 are driven to synchronously move upwards, when the two screw rods 17 synchronously move upwards, the two top plates 18, the two bottom plates 19 and the plurality of protection rods 20 are driven to synchronously move upwards, the protection function is achieved on two side parts of the trestle body 2, the safety performance of the trestle body 2 in use is improved, and the protection function is achieved.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a self-propelled hydraulic trestle, includes support base (1), landing stage body (2), its characterized in that: the utility model provides a screw rod protection device, including support base (1), landing stage body (2), screw rod (3), drive assembly, pivot (13), two thread bush (14) are installed to the bottom of landing stage body (2) all rotation of four screw rods (3) are connected, two of every looks adaptation be provided with drive assembly on screw rod (3) jointly, rectangular channel has all been seted up to the both sides portion of landing stage body (2), two equal slidable mounting in the rectangular channel extension board (9), two the lateral part of extension board (9) all is provided with the enhancement subassembly, two the bottom of extension board (9) all is connected with two respectively through coupling assembling lifter (4), set up the drive chamber in landing stage body (2), pivot (13), two thread bush (14) are installed in the relative inner wall rotation of drive chamber, are connected through the subassembly between pivot (13) and two thread bush (14), two thread bush (14) are all provided with extension board (9), two screw rod (17) all have two screw rod (17) and two roof fixed connection top (17) have two roof plate (17) respectively.
2. The self-propelled hydraulic trestle according to claim 1, characterized in that: the transmission assembly comprises two first gears (5), the two first gears (5) are respectively and fixedly sleeved on the two screw rods (3), the two first gears (5) are meshed together and mounted with a first chain (6), a motor groove is formed in the inner wall of the bottom of the support base (1), a lifting motor (7) is mounted in the motor groove, and an output shaft of the lifting motor (7) is connected with one end portion of one screw rod (3).
3. The self-propelled hydraulic trestle according to claim 1, characterized in that: limiting plates (8) are fixedly sleeved on the four screws (3).
4. The self-propelled hydraulic trestle according to claim 1, characterized in that: the reinforcing component comprises a plurality of reinforcing columns (10), a plurality of round grooves are formed in the side portions of the extension plates (9), one ends of the reinforcing columns (10) are fixedly mounted on the inner walls of the side portions of the rectangular grooves, and the other ends of the reinforcing columns (10) are respectively and slidably mounted in the round grooves.
5. The self-propelled hydraulic trestle according to claim 1, characterized in that: the connecting assembly comprises two connecting rods (12), two square plates (11) are fixedly arranged at the bottom of the extension plate (9), one ends of the connecting rods (12) are respectively rotatably arranged at the bottoms of the two square plates (11), the other ends of the connecting rods (12) are respectively rotatably arranged at the side parts of the lifting plate (4), two avoidance holes are formed in the inner wall of the bottom of the rectangular groove, and the two avoidance holes are respectively matched with the two square plates (11).
6. The self-propelled hydraulic trestle according to claim 1, characterized in that: the linkage assembly comprises three second gears (15), the three second gears (15) are respectively and fixedly sleeved on the rotating shaft (13) and the two threaded sleeves (14), the second gears (15) are meshed with each other to install a second chain (16), a protection motor is fixedly installed at the bottom of the trestle body (2), and an output shaft of the protection motor is connected with the bottom end of the rotating shaft (13).
7. The self-propelled hydraulic trestle according to claim 1, characterized in that: the protection assembly comprises a plurality of protection rods (20), a plurality of sliding holes are formed in the top of the trestle body (2), the protection rods (20) are respectively and slidably mounted in the sliding holes, the top ends of the protection rods (20) are fixedly mounted at the bottom of the top plate (18), and the bottom ends of the protection rods (20) are fixedly mounted at the top of the bottom plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322958959.3U CN221421658U (en) | 2023-11-01 | 2023-11-01 | Self-propelled hydraulic trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322958959.3U CN221421658U (en) | 2023-11-01 | 2023-11-01 | Self-propelled hydraulic trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221421658U true CN221421658U (en) | 2024-07-26 |
Family
ID=92008525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322958959.3U Active CN221421658U (en) | 2023-11-01 | 2023-11-01 | Self-propelled hydraulic trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221421658U (en) |
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2023
- 2023-11-01 CN CN202322958959.3U patent/CN221421658U/en active Active
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