CN212667244U - Automatic covering device for truck ceiling - Google Patents
Automatic covering device for truck ceiling Download PDFInfo
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- CN212667244U CN212667244U CN202021527022.0U CN202021527022U CN212667244U CN 212667244 U CN212667244 U CN 212667244U CN 202021527022 U CN202021527022 U CN 202021527022U CN 212667244 U CN212667244 U CN 212667244U
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- connecting rod
- awning
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Abstract
The utility model belongs to the truck field of reforming transform, concretely relates to automatic covering device of truck roof. The utility model provides an adopt pneumatic cylinder driven four-bar linkage truck tarpaulin to cover device automatically, the beneficial effects of the utility model are that: the hydraulic cylinder driven four-bar mechanism combined structure realizes automatic covering and storage of the truck canopy, has a simple structure compared with the prior art, reduces transmission of parts such as belt pulleys, storage ropes and the like in intermediate links, reduces the failure rate of the device, and improves the efficiency of covering and storing the canopy.
Description
Technical Field
The utility model belongs to the truck field of reforming transform, concretely relates to automatic covering device of truck roof.
Background
With the demand of standardized logistics transportation and increasingly strict environmental requirements, the cargo compartment tarpaulin covering during truck transportation has become a hard demand.
The existing truck awning cloth is manual and automatic, and manual awning covering needs workers to manually cover the awning cloth in a truck cargo compartment and fix the awning cloth. The existing automatic covering tarpaulin is mostly a retractable covering tarpaulin of a motor-driven winch or a reel type retractable covering tarpaulin, the structure is complex, a plurality of precise parts are involved, the tarpaulin is easy to damage in the processes of loading, unloading and transporting when heavy objects such as muck are transported, and the covering and storing speeds are slow.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an adopt hydraulic cylinder driven four-bar linkage truck tarpaulin automatic covering device, the utility model discloses an realize through following technical scheme.
An automatic truck roof covering device, comprising: the front connecting rod, the front driving connecting rod and the front driving rod are connected with the middle awning, and the rear connecting rod, the rear driving rod connecting rod and the rear driving rod are connected with the middle awning and the rear awning; namely, the front canopy, the middle canopy and the rear canopy are movably connected and foldable through the supporting arms and the connecting rods, and three canopies (the front canopy, the middle canopy and the rear canopy) are directly covered on a cargo compartment or are folded and placed at the top of a cockpit through the supporting arms rotating around a shaft;
the middle awning covers the middle part of the cargo compartment, the front awning covers the front part of the cargo compartment, and the rear awning covers the rear part of the cargo compartment;
the side walls of the left side and the right side of the cargo compartment are respectively symmetrically provided with two support arm connecting shafts, the two support arm connecting shafts on the same side are arranged in tandem, the two support arm connecting shafts on the left side and the right side of the middle awning are respectively symmetrically provided with two support arm connecting shafts, and the two support arm connecting shafts on the same side are arranged in tandem (the direction of the vehicle head is front, and the direction of the parking space is back); the connecting holes are formed in the two ends of the front supporting arm and the rear supporting arm, the cargo compartment, the front supporting arm, the rear supporting arm and the middle awning form a four-bar mechanism through 4 supporting arm connecting shafts located on the same side, the four-bar mechanism is arranged on the left side and the right side of the truck, the connecting holes in the two ends of the front supporting arm are respectively connected with the two supporting arm connecting shafts close to the front, and the rear supporting arm is connected with the two connecting shafts close to the rear and used for supporting and containing the middle awning to the top of a truck cab;
a hydraulic cylinder fixing shaft is also arranged on the side wall of the cargo compartment and is arranged behind the two support arm connecting shafts, and the end part of the cylinder body of the hydraulic cylinder is connected with the hydraulic cylinder fixing shaft; the rear supporting arm is provided with a piston connecting shaft, the piston end part of the hydraulic cylinder is connected with the piston connecting shaft, the rear supporting arm is driven to rotate through the movement of the piston of the hydraulic cylinder, and the middle tent is driven to cover the middle part of the cargo compartment or be accommodated to the top of the cockpit;
two groups of connecting rod shafts are symmetrically arranged on the side walls of the two sides of the middle awning, two connecting rod shafts are arranged in each group and are respectively used for connecting the front awning and the rear awning, and two connecting rod shafts are also symmetrically arranged on the side walls of the front awning and the rear awning; the front driving connecting rod, the front connecting rod, the middle awning and the front awning form a four-connecting-rod mechanism through 4 connecting rod shafts on the same side; the rear driving connecting rod, the rear connecting rod, the middle awning and the rear awning form a four-connecting-rod mechanism through 4 connecting rod shafts on the same side; the two groups of four-bar mechanisms are also arranged on the left side and the right side of the truck, so that the tarpaulin is stressed symmetrically left and right when being covered, and the abrasion and deformation caused by the weight bias are avoided;
the middle part of the front driving connecting rod and the middle upper part of the front supporting arm are both provided with a connecting rod shaft, one end of the front driving connecting rod is movably connected with the middle part of the front driving connecting rod through the connecting rod shaft, and the other end of the front driving rod is movably connected with the front supporting arm through the connecting rod shaft and is used for accommodating and covering the front tent;
the upper end part of the rear supporting arm is provided with a connecting rod shaft, and the connecting rod shaft is positioned at the upper part of the connecting hole, namely the connecting rod shaft is higher than the connecting hole for connecting the rear supporting arm and the middle tent in the covering state of the tent cloth; the rear driving connecting rod is provided with a sliding groove, the sliding groove is parallel to the direction of the rear driving connecting rod and is arranged on the side surface or the bottom surface, one end of the rear driving rod is movably connected with the rear supporting arm through a connecting rod shaft, the other end of the rear driving rod is provided with a sliding block, the sliding block is movably connected with the rear driving rod and can rotate freely, and the sliding block is embedded into the sliding groove and is movably connected with the sliding groove.
Furthermore, the supporting arm connecting shafts arranged on the side walls of the cargo compartment are respectively an A shaft and a B shaft (the A shaft is in front and the B shaft is in back), the supporting arm connecting shafts arranged on the side walls of the middle awning are respectively a C shaft and a D shaft (the C shaft is in front and the D shaft is in back), and the A shaft, the C shaft and the front shaft are respectively connected with the A shaft and the D shaftThe supporting arms are connected, the B shaft and the D shaft are respectively connected with the rear supporting arm, and the positions of the A shaft, the B shaft, the C shaft and the D shaft are respectively A (x)1，y1）、B（x2，y2）、C（x3，y3）、D（x4，y4) And A (x)1，y1）-B（x2，y2）=C（x3，y3）-D（x4，y4) I.e., the relative positions of the a and B axes are the same as the relative positions of the C and D axes.
Furthermore, the front driving connecting rod, the front connecting rod, the middle awning and the front awning form a four-bar mechanism through 4 connecting rod shafts on the same side; the rear driving connecting rod, the rear connecting rod, the middle awning and the rear awning form a 4-connecting-rod mechanism through 4 connecting rod shafts on the same side; the position relations of the connecting rod shafts of the two groups of 4-link mechanisms are the same as the position relations of the shafts A, B, C and D.
Further, the front support arm is of a folded arm type structure, Aa (x 1, y 1) is a position where the front support arm is connected to the axis a, and Cc (x) is a position where the front support arm is connected to the axis C3，y3) The position of the break point is E (x)5，y5），（x5-x3）2+（y5-y3）2＞（x4-x3）2+（y4-y3）2The length of the upper half part of the folding arm is larger than the distance between the C shaft and the D shaft, the upper end of the rear supporting arm is connected with the D shaft when the folding arm is folded, and the folding point E has a limiting effect on the front supporting arm below the rear supporting arm, so that the three folded tarpaulins can not fall down on the top of the driving cabin.
Further, since the middle-upper portion of the front support arm is provided with the link shaft provided at the middle-upper portion of section CcE, and the fold arm CcE is almost parallel to the roof when three pieces of tarpaulin are stored, the link shaft for fixing the drive lever is provided to the fold arm CcE, so that the drive lever is also parallel to the roof in the stored state, thereby making the stored front tarpaulin occupy less space.
Furthermore, the rear supporting arm is connected with the shaft B at a position Bb and connected with the shaft D at a position Dd; the rear supporting arm is of a lightning-shaped double-folded arm structure, the positions of two folding points are F and G respectively, wherein the folding point F is close to Bb, and the folding point G is close to Dd.
Furthermore, the hydraulic cylinder fixing shaft is arranged on the right side of the shaft A, the piston fixing shaft is arranged at a folding point D, and the lightning-shaped rear supporting arm is arranged, so that the length of the power arm when the hydraulic cylinder is driven is increased, the device is driven to be more labor-saving, and the lightning-shaped rear supporting arm can be better and is limited after being stored for the front supporting arm.
Furthermore, the middle tent, the front tent and the rear tent are all composed of a circular arch-shaped top and two cuboid side walls, the canopy can be directly made of thin plates, or the circular arch-shaped top and the cuboid side walls are a framework, the framework is covered with tent cloth, and the mode of covering the tent cloth is favorable for reducing the weight of the device.
Further, the device is still including setting up in taking in the cover, takes in the cover and sets up in the top of truck cockpit, and the bottom shape of taking in the cover is high thick end before, the high both sides in middle part are low, and this structure can avoid taking in the cover ponding.
Furthermore, the hydraulic pump of the hydraulic cylinder is in signal connection with the hydraulic pump of the truck unloading, when the hydraulic pump of the truck unloading is turned on and the dump truck is lifted, the hydraulic pump of the hydraulic cylinder is also turned on to retract the roof, so that the damage caused by collision of a load during unloading is reduced.
The utility model has the advantages that: the four-bar mechanism combined structure driven by the hydraulic cylinder realizes automatic covering and storage of the truck canopy, compared with the prior art, the four-bar mechanism combined structure is simple in structure, transmission of parts such as belt pulleys and storage ropes in intermediate links is reduced, the failure rate of the device is reduced, and the canopy covering and storage efficiency is improved; the device can be suitable for cargo compartments with different sizes and specifications, and has strong universality; the dome-shaped roof shape meets the loading requirement higher than that of a cargo compartment; the arrangement of the storage cover realizes wind resistance in the operation process of collecting the truck by the truck top cover.
Drawings
FIG. 1 is a right side view of the canopy when stowed;
FIG. 2 is a perspective view of the canopy when stowed;
FIG. 3 is a right side view of the canopy during canopy coverage;
FIG. 4 is a perspective view of the canopy during covering;
FIG. 5 is a right side view of the canopy in the covered position;
FIG. 6 is a perspective view of the canopy in a covered state;
fig. 7 is a schematic diagram showing the relative positions of the support arm connecting shaft and the folding points of the front support arm and the rear support arm.
In FIGS. 1-6: a cargo compartment 1, a front awning 2, a middle awning 3, a rear awning 4, a front supporting arm 5, a rear supporting arm 6, a hydraulic cylinder 7, a front connecting rod 8, a front driving connecting rod 9, a front driving rod 10, a rear connecting rod 11, a rear driving connecting rod 12, a rear driving rod 13 and a storage cover 14,
in fig. 7: axis a is A, B, axis B, C, axis C, D, axis D, break point E, break point F, and break point G.
Detailed Description
As shown in fig. 1-7: an automatic truck roof covering device, comprising: the front awning 2, the middle awning 3 and the rear awning 4 are arranged on the cargo compartment 1, and the front awning comprises a front supporting arm 5, a rear supporting arm 6 and a hydraulic cylinder 7 which are connected with the cargo compartment 1 and the middle awning 3, and also comprises a front connecting rod 8, a front driving connecting rod 9 and a front driving rod 10 which are connected with the middle awning 3 and the front awning 2, and also comprises a rear connecting rod 11, a rear driving rod 13 connecting rod and a rear driving rod 13 which are connected with the middle awning 3 and the rear awning 4; namely, the front canopy 2, the middle canopy 3 and the rear canopy 4 are movably connected and foldable through the supporting arms and the connecting rods, and three canopies (the front canopy 2, the middle canopy 3 and the rear canopy 4) are directly covered on the cargo compartment 1 or are folded and placed at the top of the cockpit through the supporting arms rotating around the shafts;
the middle awning 3 covers the middle part of the cargo compartment 1, the front awning 2 covers the front part of the cargo compartment 1, and the rear awning 4 covers the rear part of the cargo compartment 1;
the side walls of the left side and the right side of the cargo compartment 1 are respectively symmetrically provided with two support arm connecting shafts, the two support arm connecting shafts on the same side are arranged in tandem, the two support arm connecting shafts on the left side and the right side of the middle awning 3 are respectively symmetrically provided with two support arm connecting shafts, and the two support arm connecting shafts on the same side are arranged in tandem (the direction of the car head is front, and the direction of the parking space is back); the two ends of the front supporting arm 5 and the rear supporting arm 6 are respectively provided with a connecting hole, the cargo compartment 1, the front supporting arm 5, the rear supporting arm 6 and the middle awning 3 form a four-bar linkage mechanism through 4 supporting arm connecting shafts positioned on the same side, the left side and the right side of the truck are respectively provided with the four-bar linkage mechanism, the connecting holes at the two ends of the front supporting arm 5 are respectively connected with the two supporting arm connecting shafts close to the front, and the rear supporting arm 6 is connected with the two connecting shafts close to the rear and is used for supporting and storing the middle awning 3 to the top of a truck cab;
the side wall of the cargo compartment 1 is also provided with a hydraulic cylinder 7 fixed shaft which is arranged behind the two support arm connecting shafts, and the end part of the cylinder body of the hydraulic cylinder 7 is connected with the hydraulic cylinder 7 fixed shaft; a piston connecting shaft is arranged on the rear supporting arm 6, the piston end part of the hydraulic cylinder 7 is connected with the piston connecting shaft, the rear supporting arm 6 is driven to rotate through the piston movement of the hydraulic cylinder 7, and the middle awning 3 is further driven to cover the middle part of the cargo compartment 1 or be accommodated to the top of the cab;
two groups of connecting rod shafts are symmetrically arranged on the side walls of the two sides of the middle awning 3, two connecting rod shafts are arranged in each group and are respectively used for connecting the front awning 2 and the rear awning 4, and two connecting rod shafts are also symmetrically arranged on the side walls of the front awning 2 and the rear awning 4; the front driving connecting rod 9, the front connecting rod 8, the middle awning 3 and the front awning 2 form a four-bar linkage through 4 connecting rod shafts on the same side; the rear driving connecting rod 12, the rear connecting rod 11, the middle awning 3 and the rear awning 4 form a four-bar mechanism through 4 connecting rod shafts on the same side; the two groups of four-bar mechanisms are also arranged on the left side and the right side of the truck, so that the tarpaulin is stressed symmetrically left and right when being covered, and the abrasion and deformation caused by the weight bias are avoided;
the middle part of the front driving connecting rod 9 and the middle upper part of the front supporting arm 5 are both provided with a connecting rod shaft, one end of the front driving rod 10 is movably connected with the middle part of the front driving connecting rod 9 through the connecting rod shaft, and the other end of the front driving rod 10 is movably connected with the front supporting arm 5 through the connecting rod shaft and used for containing and covering the front awning 2;
the upper end part of the rear supporting arm 6 is provided with a connecting rod shaft, and the connecting rod shaft is positioned at the upper part of the connecting hole, namely, the connecting rod shaft is higher than the connecting hole of the rear supporting arm 6 and the middle awning 3 in the awning cloth covering state; the rear driving connecting rod 12 is provided with a sliding groove which is parallel to the direction of the rear driving connecting rod 12 and is arranged on the side surface or the bottom surface, one end of the rear driving rod 13 is movably connected with the rear supporting arm 6 through a connecting rod shaft, the other end of the rear driving rod 13 is provided with a sliding block, the sliding block is movably connected with the rear driving rod 13 and can rotate freely, and the sliding block is embedded into the sliding groove and is movably connected with the sliding groove.
The supporting arm connecting shafts arranged on the side wall of the cargo compartment 1 are respectively an A shaft and a B shaft (the A shaft is in front and the B shaft is in back), the supporting arm connecting shafts arranged on the side wall of the middle awning 3 are respectively a C shaft and a D shaft (the C shaft is in front and the D shaft is in back), the A shaft and the C shaft are connected with the front supporting arm 5, the B shaft and the D shaft are respectively connected with the back supporting arm 6, and the positions of the A shaft, the B shaft, the C shaft and the D shaft are respectively A (x)1，y1）、B（x2，y2）、C（x3，y3）、D（x4，y4) And A (x)1，y1）-B（x2，y2）=C（x3，y3）-D（x4，y4) I.e., the relative positions of the a and B axes are the same as the relative positions of the C and D axes.
The front driving connecting rod 9, the front connecting rod 8, the middle awning 3 and the front awning 2 form a four-bar linkage through 4 connecting rod shafts on the same side; the rear driving connecting rod 12, the rear connecting rod 11, the middle awning 3 and the rear awning 4 form a 4-connecting-rod mechanism through 4 connecting rod shafts on the same side; the position relations of the connecting rod shafts of the two groups of 4-link mechanisms are the same as the position relations of the shafts A, B, C and D.
The front support arm 5 has a folded arm structure, Aa (x 1, y 1) is the position where the front support arm 5 is connected to the axis a, and Cc (x) is the position where the front support arm 5 is connected to the axis C3，y3) The position of the break point is E (x)5，y5），（x5-x3）2+（y5-y3）2＞（x4-x3）2+（y4-y3）2Namely, the length of the upper half part of the folding arm is greater than the distance between the C shaft and the D shaft, the upper end of the rear supporting arm 6 is connected with the D shaft when the folding arm is folded, and the folding point E has a limiting effect on the front supporting arm 5 below the rear supporting arm 6, so that the three folded tarpaulins can not fall down on the top of the driving cabin.
The middle-upper portion of the front support arm 5 is provided with a link shaft provided at the middle-upper portion of section AaE, and the knuckle arm AaE is almost parallel to the roof when three pieces of tarpaulin are stored, so the link shaft for fixing the drive lever is provided at the knuckle arm AaE, so that the drive lever is also parallel to the roof in the stored state, so that the stored front roof 2 occupies less space.
The rear supporting arm 6 is connected with the shaft B at the Bb position and connected with the shaft D at the Dd position; the rear support arm 6 is of a lightning-shaped double-folded arm structure, and the positions of two folding points are F and G respectively, wherein the folding point F is close to Bb, and the folding point G is close to Dd. The pneumatic cylinder 7 fixed axle sets up in the right side of A axle, and the piston fixed axle sets up in breakpoint D, and the setting of the back supporting arm 6 of lightning form is favorable to increasing the length of the power arm when pneumatic cylinder 7 drives to make the drive the device more laborsaving, the back supporting arm 6 of lightning form can be better in addition accomodate the back spacing for preceding supporting arm 5.
The middle awning 3, the front awning 2 and the rear awning 4 are all composed of a circular arch-shaped top and two cuboid side walls, the awning can be directly made of thin plates, or the circular arch-shaped top and the cuboid side walls are frames, the frames are covered with awning cloth, and the mode of covering the awning cloth is favorable for reducing the weight of the device.
The device is still including setting up in taking in cover 14, takes in cover 14 and sets up in the top of truck cockpit, and the bottom shape of taking in cover 14 is preceding high thick end, the high both sides in middle part are low, and this structure can avoid taking in cover 14 interior ponding.
The hydraulic pump of the hydraulic cylinder 7 is in signal connection with the hydraulic pump of the truck unloading, when the hydraulic pump of the truck unloading is opened and the dump truck is not lifted for unloading, the hydraulic pump of the hydraulic cylinder 7 is also opened, the ceiling is folded, and the damage caused by collision of a load during unloading is reduced.
The utility model discloses a use does: when the roof needs to be covered, the hydraulic cylinder 7 is retracted, the rear supporting arm 6 is pulled to rotate clockwise around the axis B, the middle canopy 3, the front canopy 2 and the rear canopy 4 are linked through the three groups of four-bar mechanisms to cover the cargo compartment 1, and when the roof needs to be folded, the hydraulic cylinder 7 is stretched to drive the rear supporting arm 6 to rotate anticlockwise, so that the roof is folded into the storage cover 14 at the top of the cockpit.
Claims (10)
1. An automatic truck roof covering device, comprising: the front awning, the middle awning and the rear awning are arranged on the cargo compartment, and the front awning, the middle awning and the rear awning also comprise a front supporting arm, a rear supporting arm and a hydraulic cylinder which are connected with the cargo compartment and the middle awning, a front connecting rod, a front driving connecting rod and a front driving rod which are connected with the middle awning and the front awning, and a rear connecting rod, a rear driving connecting rod and a rear driving rod which are connected with the middle awning and the rear awning;
the middle awning covers the middle part of the cargo compartment, the front awning covers the front part of the cargo compartment, and the rear awning covers the rear part of the cargo compartment;
the side walls of the left side and the right side of the cargo compartment are respectively symmetrically provided with two support arm connecting shafts, the left side wall and the right side wall of the middle awning are respectively symmetrically provided with two support arm connecting shafts, two ends of the front support arm and the rear support arm are respectively provided with a connecting hole, and the cargo compartment, the front support arm, the rear support arm and the middle awning form a four-bar mechanism through 4 support arm connecting shafts positioned on the same side;
the side wall of the cargo compartment is also symmetrically provided with a hydraulic cylinder fixing shaft, and the end part of the cylinder body of the hydraulic cylinder is connected with the hydraulic cylinder fixing shaft; a piston connecting shaft is arranged on the rear supporting arm, and the piston end part of the hydraulic cylinder is connected with the piston connecting shaft; hydraulic cylinders are symmetrically arranged on the left side and the right side;
two groups of connecting rod shafts are symmetrically arranged on the side walls of the two sides of the middle awning, each group is two, and two connecting rod shafts are symmetrically arranged on the side walls of the front awning and the rear awning respectively; the front driving connecting rod, the front connecting rod, the middle awning and the front awning form a four-connecting-rod mechanism through 4 connecting rod shafts on the same side; the rear driving connecting rod, the rear connecting rod, the middle awning and the rear awning form a 4-connecting-rod mechanism through 4 connecting rod shafts on the same side;
the middle part of the front driving connecting rod and the middle upper part of the front support arm are both provided with a connecting rod shaft, one end of the front driving connecting rod is movably connected with the middle part of the front driving connecting rod through the connecting rod shaft, and the other end of the front driving connecting rod is movably connected with the front support arm through the connecting rod shaft;
the upper end part of the rear supporting arm is provided with a connecting rod shaft, and the connecting rod shaft is positioned at the upper part of the connecting hole; the rear driving connecting rod is provided with a sliding groove, one end of the rear driving rod is movably connected with the rear supporting arm through a connecting rod shaft, the other end of the rear driving rod is provided with a sliding block, and the sliding block is movably connected with the sliding groove.
2. The automatic truck top covering device as claimed in claim 1, wherein the support arm connecting shafts provided to the side walls of the cargo compartment are an a-axis and a B-axis, respectively, the support arm connecting shafts provided to the side walls of the middle canopy are a C-axis and a D-axis, respectively, the a-axis and the C-axis are connected to the front support arm, the B-axis and the D-axis are connected to the rear support arm, respectively, and the positions of the a-axis, the B-axis, the C-axis and the D-axis are a (x) respectively1，y1）、B（x2，y2）、C（x3，y3）、D（x4，y4) And A (x)1，y1）-B（x2，y2）=C（x3，y3）-D（x4，y4）。
3. The automatic truck top covering device as claimed in claim 2, wherein the front driving link, the front link, the middle canopy and the front canopy form a four-link mechanism by 4 link shafts on the same side; the rear driving connecting rod, the rear connecting rod, the middle awning and the rear awning form a 4-connecting-rod mechanism through 4 connecting rod shafts on the same side; the position relations of the connecting rod shafts of the two groups of 4-link mechanisms are the same as the position relations of the shafts A, B, C and D.
4. The automatic truck top covering device as claimed in claim 2, wherein the front support arm is of a folded arm type structure, and the front support arm is connected to the axis a at a position Aa (x 1, y 1) and connected to the axis C at a position Cc (x 8932)3，y3) The position of the break point is E (x)5，y5），（x5-x3）2+（y5-y3）2＞（x4-x3）2+（y4-y3）2。
5. The automatic truck top covering device as claimed in claim 4, wherein the middle upper portion of the front support arm is provided with a link shaft provided at the middle upper portion of section CcE.
6. The automatic truck top covering device as claimed in claim 2, wherein the rear supporting arm is connected to the B axis at a position Bb and connected to the D axis at a position Dd; the rear supporting arm is of a lightning-shaped double-folded arm structure, the positions of two folding points are F and G respectively, wherein the folding point F is close to Bb, and the folding point G is close to Dd.
7. The automatic truck top covering device as claimed in claim 6, wherein the cylinder fixing shaft is disposed at a right side of the a axis, and the piston connecting shaft is disposed at a folding point G.
8. The automatic truck top covering device as claimed in claim 1, wherein the middle top, the front top and the rear top are all made of a dome-shaped top and two rectangular side walls, the dome-shaped top and the rectangular side walls are a frame, and the frame is covered with a piece of tarpaulin.
9. The automatic covering device for the truck top cover as claimed in claim 1, further comprising a receiving cover disposed on the top of the truck cab, wherein the bottom of the receiving cover is shaped as a front high thick bottom and a middle high two sides low.
10. The automatic truck top cover apparatus as claimed in claim 1, wherein the hydraulic pump of the hydraulic cylinder is signal-connected to a hydraulic pump for unloading the truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527022.0U CN212667244U (en) | 2020-07-29 | 2020-07-29 | Automatic covering device for truck ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527022.0U CN212667244U (en) | 2020-07-29 | 2020-07-29 | Automatic covering device for truck ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212667244U true CN212667244U (en) | 2021-03-09 |
Family
ID=74816157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021527022.0U Expired - Fee Related CN212667244U (en) | 2020-07-29 | 2020-07-29 | Automatic covering device for truck ceiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212667244U (en) |
-
2020
- 2020-07-29 CN CN202021527022.0U patent/CN212667244U/en not_active Expired - Fee Related
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| 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: 20210309 Termination date: 20210729 |