CN212022600U - Novel container trailer maintenance support - Google Patents
Novel container trailer maintenance support Download PDFInfo
- Publication number
- CN212022600U CN212022600U CN202020680006.9U CN202020680006U CN212022600U CN 212022600 U CN212022600 U CN 212022600U CN 202020680006 U CN202020680006 U CN 202020680006U CN 212022600 U CN212022600 U CN 212022600U
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- Prior art keywords
- support
- support column
- novel container
- bracing piece
- supporting
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- 238000012423 maintenance Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of container logistics technique and specifically relates to a novel container trailer maintenance support is related to, it is including being used for supporting the support roof and four support columns of installing terminal surface under the support roof of trailer, the support column is the cavity cylinder, the inside bracing piece that is provided with of support column, be provided with the drive on the support column bracing piece pivoted drive assembly, be provided with the screw thread section on the bracing piece, screw thread section position department threaded connection has the sliding block, the sliding block with support column sliding connection, terminal surface fixedly connected with pulley under the sliding block. The utility model discloses the effect that has is: the stress position is not easy to damage, and the locking is not easy to lose efficacy.
Description
Technical Field
The utility model belongs to the technical field of container commodity circulation technique and specifically relates to a novel container trailer maintenance support is related to.
Background
The container is a tool capable of carrying packaged or unpackaged goods for transportation and is convenient to load, unload and carry by mechanical equipment. The biggest success of the container lies in the standardization of the product and a whole set of transportation system established by the container, which can realize the standardization of a large natural object carrying dozens of tons, and gradually realize the logistics system matched with ships, ports, routes, roads, transfer stations, bridges, tunnels and multimodal transportation on the global scale on the basis of the standardization. When the container is to be transported, the container trailer needs to be used, the damage rate of the container trailer is high, and the maintenance requirement is large. When the container trailer is maintained, the trailer is required to be integrally supported, so that a walking system and a suspension system of the container trailer are in an unstressed state, the trailer can be maintained and constructed, and the trailer support is implemented by a forklift, a jack, a support and the like. Fork truck, jack and support mode exist the unstable structure and take a lot of work and energy when implementing, have great potential safety hazard.
Chinese patent with publication number CN209208732U discloses a novel container trailer maintenance support, which comprises a trailer supporting top plate and a pair of supporting columns, wherein one end of each supporting column is fixedly connected with the bottom surface of the trailer supporting top plate, a sliding mechanism and an up-down switching mechanism are arranged in each supporting column, the up-down switching mechanism can drive the sliding mechanism to move along the supporting direction of the supporting column, so that the sliding mechanism extends out of or retracts into the supporting column, and the sliding mechanism can drive the maintenance support to move when extending out of the supporting column, and the sliding mechanism is a walking wheel. And when the walking wheels are exposed, the walking wheels are locked by using the pin shafts.
When the novel container trailer maintenance bracket slides, the gravity stress of a container is concentrated on the pin rod, and the pin rod is easy to damage, so that the locking is disabled, and an improvement space is provided.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a novel container trailer maintenance support, its effect that has is: the stress position is not easy to damage, and the locking is not easy to lose efficacy.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a novel container trailer maintenance support, its is including the support roof and four support columns of installing terminal surface under the support roof that are used for supporting the trailer, the support column is the cavity cylinder, the inside bracing piece that is provided with of support column, be provided with the drive on the support column bracing piece pivoted drive assembly, be provided with the screw thread section on the bracing piece, screw thread section position department threaded connection has the sliding block, the sliding block with support column sliding connection, terminal surface fixedly connected with pulley under the sliding block.
Through adopting above-mentioned technical scheme, this novel container trailer maintenance support is when using, and it is rotatory through drive assembly drive bracing piece, and the bracing piece drives the sliding block when rotatory and slides in vertical direction, and then drives the pulley and remove, from the lift that realizes the pulley, and when the pulley was located operating condition, the pulley supported through the flank of screw, and threaded connection stress surface is far greater than the atress area of round pin axle, and consequently the stress position is not fragile, and locking is difficult for becoming invalid, has prolonged life.
The utility model discloses further set up to: the driving assembly comprises a rotating gear, a driven gear and a transmission mechanism;
the rotating gear is rotationally connected to the outer wall of the supporting column, the driven gear is located inside the supporting column, the rotating gear and the driven gear are in rack transmission, and the driven gear drives the supporting rod to rotate through the transmission mechanism.
Through adopting above-mentioned technical scheme, through rotatory running gear, running gear drives driven gear and rotates, then on transmitting to the bracing piece through drive mechanism, realizes the rotation of bracing piece.
The utility model discloses further set up to: the reference circle diameter of the rotating gear is smaller than that of the driven gear.
Through adopting above-mentioned technical scheme, the linear velocity of rotating gear and driven gear equals, and driven gear's rotational speed is less than rotating gear's rotational speed promptly, increases the distance through the speed reduction for operating personnel alright rotate rotating gear through less power.
The utility model discloses further set up to: the transmission mechanism comprises a transmission worm and a helical gear, the transmission worm and the driven gear rotate coaxially, the transmission worm is meshed and matched with the helical gear, and the expansion helical angle of the transmission worm is smaller than the friction angle of the transmission worm and the helical gear.
By adopting the technical scheme, the unfolding spiral angle of the transmission worm is smaller than the friction angle of the transmission worm in contact with the helical gear, namely the self-locking condition is met between the transmission worm and the helical gear, the supporting rod cannot rotate reversely, and the stability of the pulley in the using process is ensured without additionally arranging a locking piece.
The utility model discloses further set up to: the rotating gear is provided with a handle, and the support column is provided with a handle.
By adopting the technical scheme, the handle is convenient for an operator to rotate the rotating gear, and when the operator rotates the rotating gear, the other hand can hold the handle, so that the force is conveniently applied by the operator.
The utility model discloses further set up to: the support column inner wall is fixedly connected with a support bracket for supporting the support rod, and the support bracket is connected with the support rod through a bearing.
Through adopting above-mentioned technical scheme, realize the rotation of bracing piece and connect.
The utility model discloses further set up to: the bearing is a thrust bearing.
By adopting the technical scheme, the supporting rod is mainly stressed in the axial direction, and the bearing is selected as the thrust bearing, so that the separation between the supporting rod and the bearing caused by overlarge force in the axial direction can be reduced.
The utility model discloses further set up to: the support column inner wall is opened there is the guide way, the sliding block both sides extend there is the guide block, the guide block with the cooperation of sliding of guide way.
Through adopting above-mentioned technical scheme, realize the sliding connection between sliding block and the support column.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the novel container trailer maintenance bracket is used, the stressed position is not easy to damage, the locking is not easy to lose efficacy, and the service life is prolonged;
2. this novel container trailer maintenance support has guaranteed the stability of pulley in the use when need not to add the retaining member.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a perspective view of a support post according to an embodiment of the present invention.
In the figure, 1, a top plate is supported; 2. a support pillar; 21. a grip; 22. a support bracket; 23. a bearing; 24. a guide groove; 3. a support bar; 31. a threaded segment; 4. a drive assembly; 41. a rotating gear; 411. a handle; 42. a driven gear; 43. a transmission mechanism; 431. a drive worm; 432. a helical gear; 5. a slider; 51. a guide block; 6. a pulley.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a novel container trailer maintenance support, it is including being used for supporting roof 1 and four support columns 2 of installing terminal surface under roof 1 of trailer, support column 2 is the cavity cylinder, 2 inside bracing pieces 3 that are provided with of support column, be provided with 3 pivoted drive assembly 4 of drive bracing piece on the support column 2, be provided with screw thread section 31 on the bracing piece 3, screw thread section 31 position department threaded connection has sliding block 5, sliding block 5 and 2 sliding connection of support column, terminal surface fixedly connected with pulley 6 under sliding block 5.
Referring to fig. 1 and 2, in particular, the driving assembly 4 includes a rotating gear 41, a driven gear 42 and a transmission mechanism 43; the rotating gear 41 is rotatably connected to the outer wall of the support column 2, the driven gear 42 is located inside the support column 2, the rotating gear 41 and the driven gear 42 are in rack transmission, and the driven gear 42 drives the support rod 3 to rotate through the transmission mechanism 43. When the device is used, the rotating gear 41 rotates, the rotating gear 41 drives the driven gear 42 to rotate, and then the driven gear is transmitted to the supporting rod 3 through the transmission mechanism 43, so that the supporting rod 3 rotates.
Further, the pitch diameter of the rotating gear 41 is smaller than the pitch diameter of the driven gear 42. In the present embodiment, the ratio of the pitch diameter of the rotating gear 41 to the pitch diameter of the driven gear 42 is 1: 10. The linear speeds of the rotating gear 41 and the driven gear 42 are equal, that is, the rotating speed of the driven gear 42 is less than that of the rotating gear 41, and the operator can rotate the rotating gear 41 with less force by reducing speed and increasing distance.
Referring to fig. 1 and 2, specifically, the transmission mechanism 43 includes a transmission worm 431 and a helical gear 432, the transmission worm 431 and the driven gear 42 rotate coaxially, the transmission worm 431 and the helical gear 432 are engaged, and an expansion helix angle of the transmission worm 431 is smaller than a friction angle of the transmission worm 431 and the helical gear 432, that is, a self-locking condition is satisfied between the transmission worm 431 and the helical gear 432, so that the support rod 3 cannot rotate reversely, a locking member is not required to be added, and the stability of the pulley 6 in the use process is ensured.
Referring to fig. 1 and 2, a handle 411 is fixedly connected to the rotary gear 41, and a grip 21 is fixedly connected to the support post 2. The handle 411 is provided to facilitate the rotation of the rotary gear 41 by the operator, and when the operator rotates the rotary gear 41, the other hand can hold the grip 21, thereby facilitating the application of force by the operator.
Referring to fig. 1 and 2, a support bracket 22 for supporting the support rod 3 is fixedly connected to the inner wall of the support column 2, the support bracket 22 is connected to the support rod 3 through a bearing 23, the outer wall of the support rod 3 is sleeved with an inner ring of the bearing 23, and the support bracket 22 is installed and matched with an outer ring of the bearing 23.
In the present embodiment, the bearing 23 is a thrust bearing. The supporting rod 3 is mainly stressed in the axial direction, and the bearing 23 is selected as a thrust bearing, so that the separation between the supporting rod 3 and the bearing 23 caused by overlarge force in the axial direction can be reduced.
Referring to fig. 1 and 2, the inner wall of the support post 2 is provided with a guide groove 24, two sides of the sliding block 5 extend to form guide blocks 51, and the guide blocks 51 are in sliding fit with the guide groove 24 to realize sliding connection between the sliding block 5 and the support post 2.
The implementation principle of the embodiment is as follows:
this novel container trailer maintenance support when using, it is rotatory through 4 drive support bars of drive assembly 3, drive sliding block 5 when bracing piece 3 is rotatory and slide in vertical direction, and then drive pulley 6 and remove, from the lift that realizes pulley 6, when pulley 6 is located operating condition, pulley 6 supports through the flank of screw, threaded connection stress surface is far greater than the atress area of round pin axle, therefore the atress position is not fragile, locking is difficult for becoming invalid, has prolonged life.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a novel container trailer maintenance support which characterized in that: it is including supporting roof (1) and four support columns (2) of installing terminal surface under supporting roof (1) that are used for supporting the trailer, support column (2) are the cavity cylinder, support column (2) inside is provided with bracing piece (3), be provided with the drive on support column (2) bracing piece (3) pivoted drive assembly (4), be provided with screw thread section (31) on bracing piece (3), screw thread section (31) position department threaded connection has sliding block (5), sliding block (5) with support column (2) sliding connection, terminal surface fixedly connected with pulley (6) under sliding block (5).
2. The novel container trailer service rack of claim 1, characterized in that: the driving assembly (4) comprises a rotating gear (41), a driven gear (42) and a transmission mechanism (43);
the rotating gear (41) is rotatably connected to the outer wall of the supporting column (2), the driven gear (42) is located inside the supporting column (2), the rotating gear (41) and the driven gear (42) are in rack transmission, and the driven gear (42) drives the supporting rod (3) to rotate through the transmission mechanism (43).
3. The novel container trailer service rack of claim 2, characterized in that: the pitch circle diameter of the rotating gear (41) is smaller than the pitch circle diameter of the driven gear (42).
4. The novel container trailer service rack of claim 2, characterized in that: the transmission mechanism (43) comprises a transmission worm (431) and a bevel gear (432), the transmission worm (431) and the driven gear (42) rotate coaxially, the transmission worm (431) is meshed with the bevel gear (432) in a matching mode, and the unfolding spiral angle of the transmission worm (431) is smaller than the contact friction angle of the transmission worm (431) and the bevel gear (432).
5. The novel container trailer service rack of claim 2, characterized in that: the rotating gear (41) is provided with a handle (411), and the supporting column (2) is provided with a handle (21).
6. The novel container trailer service rack of claim 1, characterized in that: fixedly connected with is used for supporting on support column (2) inner wall support holder (22) of bracing piece (3), support holder (22) with bracing piece (3) are connected through bearing (23).
7. The novel container trailer service rack of claim 6, characterized in that: the bearing (23) is a thrust bearing.
8. The novel container trailer service rack of claim 1, characterized in that: support column (2) inner wall is opened there are guide way (24), sliding block (5) both sides extend has guide block (51), guide block (51) with guide way (24) cooperation of sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020680006.9U CN212022600U (en) | 2020-04-28 | 2020-04-28 | Novel container trailer maintenance support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020680006.9U CN212022600U (en) | 2020-04-28 | 2020-04-28 | Novel container trailer maintenance support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212022600U true CN212022600U (en) | 2020-11-27 |
Family
ID=73496258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020680006.9U Expired - Fee Related CN212022600U (en) | 2020-04-28 | 2020-04-28 | Novel container trailer maintenance support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212022600U (en) |
-
2020
- 2020-04-28 CN CN202020680006.9U patent/CN212022600U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 Termination date: 20210428 |