CN213062985U - Unloading platform with retractable protective net bag - Google Patents
Unloading platform with retractable protective net bag Download PDFInfo
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- CN213062985U CN213062985U CN202021262118.9U CN202021262118U CN213062985U CN 213062985 U CN213062985 U CN 213062985U CN 202021262118 U CN202021262118 U CN 202021262118U CN 213062985 U CN213062985 U CN 213062985U
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Abstract
The utility model relates to a retractable discharging platform of a protective net bag, which comprises a base, a left side plate, a right side plate, a tail sealing plate, a protective unit and a locking structure, wherein the protective unit comprises the protective net bag and two mounting rods, the two mounting rods are arranged at intervals left and right, and the length of the mounting rods extends along the front and back direction; the protection unit has a retraction state for pulling the protection net bag to the tail sealing plate and a protection state for unfolding the protection net bag by adjusting the positions of the two mounting rods; the locking structure is used for locking the mounting rod and the corresponding side plate when the protection unit is in a folded state and a protection state. The unloading platform is used for solving the problem that the unloading platform in the prior art is low in hoisting efficiency.
Description
Technical Field
The utility model relates to a platform of unloading that protection string bag can be retrieved.
Background
In a building construction site, materials among floors are generally transferred through a tower crane, and the unloading platform is a transfer station for transferring materials of a lower floor slab to an upper floor slab. Among the prior art, in order to make the platform of unloading can place the longer pipe of length, can set up a breach on the tail shrouding of the platform of unloading usually, so that the pipe can extend to the platform of unloading outside from breach department, and drop away in order to prevent constructor from the breach department on the tail shrouding, can be at tuck net skeleton of outside welding of tail shrouding, then ligature protection tuck net on the tuck net skeleton, so, even constructor drops away from the breach department on the tail shrouding, also can fall on the protection tuck net, can avoid the emergence of major incident.
The security that constructor's security though can improve the ligature protection string bag on the platform of unloading, nevertheless when hoist and mount platform of unloading, because the string bag skeleton is longer, the conflict takes place with other structures in the construction place for the string bag skeleton often appears, and then leads to the hoist and mount efficiency of the platform of unloading to be lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a platform of unloading that protection string bag is recoverable for solve the lower problem of platform hoist and mount efficiency of unloading among the prior art.
In order to achieve the purpose, the utility model provides a platform of unloading that protection string bag can be retrieved adopts following technical scheme:
this platform of unloading that protection string bag can be retrieved includes:
the base comprises two main beams extending forwards and backwards, and the two main beams are arranged at left and right intervals;
the left side plate is fixedly arranged on the main beam close to the left of the base;
the right side plate is fixedly arranged on the main beam close to the right of the base;
the tail sealing plate is fixedly arranged at the rear part of the base, and forms an accommodating space with an opening at the upper side and the front side together with the base, the left side plate and the right side plate;
the protection unit comprises a protection net bag and two installation rods, the two installation rods are arranged at intervals left and right, the length of the two installation rods extends in the front-back direction, the two installation rods are respectively installed on the left side plate and the right side plate in a position-adjustable mode in the front-back direction, the lower portion of the protection net bag is fixed on the tail sealing plate or the base, the upper portion of the protection net bag is fixed on the two installation rods, and the protection unit is used for receiving constructors when the constructors fall from notches in the tail sealing plate;
the protection unit has a retraction state for pulling the protection net bag to the tail sealing plate and a protection state for unfolding the protection net bag by adjusting the positions of the two mounting rods;
and the locking structure is used for locking the mounting rod and the corresponding side plate when the protection unit is in a folded state and a protection state.
The utility model provides a platform of unloading that protection string bag can be retrieved's beneficial effect is: this protection unit in platform of unloading has and packs up state and protection state, can transfer protection unit to packing up the state when the platform of unloading of hoist and mount, so, installation pole and protection network can not stretch out tail shrouding rear side overlength distance, just can not influence the hoist and mount of the platform of unloading yet, can improve the hoist and mount efficiency of the platform of unloading, after the platform installation of unloading is accomplished, can transfer protection unit to protection state for improve the security of construction.
Furthermore, the corresponding mounting rods on the left side plate and the right side plate are respectively provided with a mounting pipe extending forwards and backwards, and the two mounting rods are respectively inserted into the mounting pipes on the corresponding side plates and can move along the axial direction of the mounting pipes. The position of installation pole is adjusted through the installation pipe, and is simple and convenient, and the installation pipe can also lead the installation pole.
Furthermore, the left side plate comprises a left side framework and a left wall plate installed on the left side framework, the left side framework is provided with at least one left longitudinal section extending forwards and backwards, and one left longitudinal section is of a tubular structure and forms an installation pipe on the left side plate; the right side board includes right side skeleton and installs the right wallboard on the right side skeleton, and right side skeleton has at least one right longitudinal section bar that extends from beginning to end, and one of them right longitudinal section bar is tubular structure and constitutes the installation pipe on the right side board. The special installation pipe is not needed to be arranged independently, and the installation pipe is formed by utilizing the section bars on the corresponding side plate frameworks, so that the complexity of the structure is reduced, and meanwhile, the cost is saved.
Furthermore, two through holes penetrating through the pipe wall along the left-right direction are respectively formed in the pipe walls of the two mounting pipes which are opposite to each other, the two through holes of each mounting pipe are arranged at intervals along the front-back direction, each mounting pipe is provided with an insertion hole with an axis extending left and right, the insertion hole in the mounting rod is coaxial with the through hole close to the front of the mounting pipe when the protection unit is in a retracted state, the insertion hole in the mounting rod is coaxial with the through hole close to the back of the mounting pipe when the protection unit is in a protection state, a nut is fixedly welded on each mounting pipe corresponding to the two through holes, the axis of the nut is collinear with the axis of the through hole, and the mounting rod and the corresponding side plate are locked by screwing the matched bolt in the nut and; the matched bolt forms a locking structure. The locking structure is simple and easy to realize.
Furthermore, the rear portion of the installation rod is provided with a sliding groove extending forwards and backwards, a plurality of hanging pieces are installed in the sliding groove, the upper portion of the protective net bag is tied to the hanging pieces, and when the installation rod is inserted into the installation pipe, the hanging pieces can move backwards relative to the installation rod and are concentrated at the rear end of the installation rod. Set up like this, made things convenient for the fixed mounting of protection string bag, can follow the length direction interval of installation pole simultaneously and arrange each pendant to make the protection string bag can fix on the installation pole through a plurality of points along the length direction of installation pole, thereby improve the protective effect of protection string bag.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a left side view of an embodiment of a discharge platform with a retractable protective net bag provided by the present invention;
fig. 2 is a bottom view of an embodiment of the discharge platform with a retractable protection string bag provided by the present invention (the stop block and the hanging ring are not shown);
fig. 3 is a rear view of an embodiment of the discharge platform with a retractable protection net (the stop block and the hanging ring are not shown) provided by the present invention;
fig. 4 is a schematic structural view of a mounting rod in an embodiment of the discharge platform with a retractable protection string bag provided by the present invention.
In the drawings: 1-main beam, 2-bottom cross brace, 3-bottom plate, 4-left wall plate, 5-left vertical section bar, 6-left longitudinal section bar, 7-right vertical section bar, 8-right longitudinal section bar, 9-tail plate, 11-notch, 12-installation rod, 13-nut, 14-matched bolt, 15-jack, 16-pendant, 17-binding hole, 18-protective net bag, 19-limiting block, 20-hanging ring, 21-first tail section bar, 22-second tail section bar and 23-third tail section bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes the present invention with reference to the accompanying drawings.
The utility model provides an embodiment of the platform of unloading that the protection string bag can be retrieved:
as shown in fig. 1-3, the platform of unloading includes a base, the base includes two main beams 1 extending from front to back, two main beams 1 are arranged along the left and right direction at intervals, a plurality of bottom crossbars 2 are welded and fixed between the middle and rear portions of two main beams 1, the bottom crossbars 2 extend along the left and right direction, each bottom crossbars 2 are arranged along the front and rear direction at intervals, a bottom plate 3 is welded and fixed on the upper side of each bottom crossbars 2, the left and right ends of the bottom plate 3 are stopped at the opposite sides of two main beams 1, the rear end of the bottom plate 3 is stopped at the front side of the rearmost bottom crossbars 2, and the front end of the bottom plate 3 is stopped at the rear side of the foremost bottom crossbars 2.
As shown in fig. 1 and 3, the discharging platform further comprises a left side plate and a right side plate, the left side plate comprises a left side framework and a left wall plate 4 welded and fixed on the right side surface of the left side framework, the left side framework comprises two left longitudinal sectional materials 6, the two left longitudinal sectional materials 6 are arranged at intervals along the up-down direction, the length of the two left longitudinal sectional materials 6 extends along the front-back direction, the two left longitudinal sectional materials 6 are both of a square pipe structure, the two left longitudinal sectional materials 6 are connected through a plurality of left vertical sectional materials 5, the length of the left vertical sectional material 5 extends along the up-down direction, the left vertical sectional materials 5 are arranged at intervals along the front-back direction, the left vertical sectional materials 5 between the two left longitudinal sectional materials 6 are respectively welded and fixed with the two left longitudinal sectional materials 6, the lower side of the lower left longitudinal sectional material 6 is also welded and fixed with a plurality of left vertical sectional materials 5, the upper side of, the corresponding left vertical section 5 is coaxial, and the lower end of the left vertical section 5 positioned below the lower left longitudinal section 6 is welded and fixed on the left main beam 1, so that the left side plate and the base are welded and fixed; the lower extreme of left wallboard 4 connects and rather than welded fastening with bottom plate 3, and the rear end of left wallboard 4 extends to left vertical section bar 5 department and rather than welded fastening that leans on the back, and the upper end of left wallboard 4 extends to left vertical section bar 6 department and rather than welded fastening that leans on, and the front end of left wallboard 4 extends to left vertical section bar 5 department and rather than welded fastening that leans on the front. The right side plate comprises a right side framework and a right side plate welded and fixed on the left side surface of the right side framework, the right side framework comprises two right longitudinal sectional materials 8, the two right longitudinal sectional materials 8 are arranged at intervals in the vertical direction, the length of the right longitudinal sectional materials extends in the front-back direction, the two right longitudinal sectional materials 8 are of a square tube structure, the two right longitudinal sectional materials 8 are connected through a plurality of right vertical sectional materials 7, the length of the right vertical sectional materials 7 extends in the vertical direction, the right vertical sectional materials 7 are arranged at intervals in the front-back direction, the right vertical sectional materials 7 between the two right longitudinal sectional materials 8 are respectively welded and fixed with the two right longitudinal sectional materials 8, the lower side of the lower right longitudinal sectional material 8 is also welded and fixed with a plurality of right vertical sectional materials 7, the number of the right vertical sectional materials 7 on the upper side and the lower side of the lower right longitudinal sectional material 8 is the same and one-to one correspondence, the corresponding right vertical sectional materials 7 are, thereby realizing the welding fixation of the right side plate and the base; the lower end of the right wall plate is connected with the bottom plate 3 and is welded and fixed with the bottom plate, the rear end of the right wall plate extends to the position of the right vertical section bar 7 which is most against the rear and is welded and fixed with the right vertical section bar, the upper end of the right wall plate extends to the position of the right vertical section bar 8 which is above the right wall plate and is welded and fixed with the right vertical section bar, and the front end of the right wall plate extends to the position of the right vertical section bar 7 which is most against the front and is welded.
As shown in fig. 3, the left longitudinal section 6 on the upper side of the left side plate and the right longitudinal section 8 on the upper side of the right side plate are equal in height, and the left longitudinal section 6 on the lower side of the left side plate and the right longitudinal section 8 on the lower side of the right side plate are equal in height.
As shown in fig. 3, the discharging platform further includes a tail sealing plate, the tail sealing plate includes a tail plate 9 and a tail skeleton, the tail skeleton includes a first tail section 21, a second tail section 22 and a third tail section 23, the first tail section 21 is provided with one, the left end of the first tail section is welded at the tail of the lower left longitudinal section 6, the right end of the first tail section is welded at the tail of the lower right longitudinal section 8, the first tail section 21 is welded to be parallel to the rearmost bottom cross brace 2 in the base and to be located right above the rearmost bottom cross brace 2 in the base; two second tail sectional materials 22 are arranged, the length of each second tail sectional material 22 is smaller than that of each first tail sectional material 21, the left end of one second tail sectional material 22 is welded to the tail portion of the corresponding left longitudinal sectional material 6, the right end of the other second tail sectional material 22 is overhung, the right end of the other second tail sectional material 22 is welded to the tail portion of the corresponding right longitudinal sectional material 8, the left end of the other second tail sectional material is overhung, the two second tail sectional materials 22 are arranged at intervals in the left-right direction, and the two second tail sectional materials 22 are parallel to the first tail sectional materials 21 and are positioned right above the first tail sectional materials 21; the number of the third tail sectional materials 23 is two, one end of one third tail sectional material 23 is welded at the overhanging end of the second tail sectional material 22 close to the left, the other end of the other third tail sectional material 23 is welded on the first tail sectional material 21, one end of the other third tail sectional material 23 is welded at the overhanging end of the second tail sectional material 22 close to the right, the other end of the other third tail sectional material 23 is welded on the first tail sectional material 21, the third tail sectional material 23 close to the left is inclined from top to bottom and from the left to the right, and the third tail sectional material 23 close to the right is inclined from top to bottom and from; two third tail section bars 23 and the first tail section bar 21 enclose a gap together, the tail plate 9 is welded on the front side surface of the tail framework, the upper end of the tail plate 9 extends to the two second tail section bars 22 and is welded and fixed with the same, the left end of the tail plate 9 extends to the left vertical section bar 5 and is welded and fixed with the same, the right end of the tail plate 9 extends to the right vertical section bar 7 and is welded and fixed with the same, the lower end of the tail plate 9 extends to the bottom plate 3 and is welded and fixed with the same, and the tail plate 9 is provided with an avoiding gap corresponding to the gap on the tail framework, so that the tail sealing plate is provided with a gap 11 which extends downwards from the upper end surface of the tail sealing plate and penetrates forwards and backwards.
Tail shrouding, left side board, right side board and base enclose into an upside and the open accommodation space of front side together, and this accommodation space is used for placing the material of transporting, and the setting of breach 11 for this platform of unloading can transport the longer pipe of length.
As shown in fig. 1-4, the discharging platform further comprises a protection unit, and the protection unit comprises two mounting rods 12 and a protection net bag 18; the rear ends of the lower left longitudinal section 6 and the lower right longitudinal section 8 are both opened, and two mounting rods 12 are respectively inserted into the lower left longitudinal section 6 and the lower right longitudinal section 8 from the rear side; two through holes which penetrate left and right are formed in the left side pipe wall of the left longitudinal section bar 6 which is close to the lower portion, the two through holes are arranged at intervals along the front-back direction, a nut 13 is fixedly welded to the two corresponding through holes in the left side pipe wall of the left longitudinal section bar 6 which is close to the lower portion, the axis of the nut 13 is collinear with the axis of the corresponding through hole, and an insertion hole 15 which extends left and right in axis is formed in the through hole in the left side mounting rod 12 which is close to the lower portion and corresponds to the; two through holes which penetrate left and right are formed in the right side pipe wall of the lower right longitudinal section 8 and are arranged at intervals along the front-back direction, nuts 13 are welded and fixed to the two corresponding through holes in the right side pipe wall of the lower right longitudinal section 8, the axes of the nuts 13 are collinear with the axes of the corresponding through holes, and insertion holes 15 which extend left and right in the axis direction are formed in the through holes in the right side installation rod 12 corresponding to the lower right longitudinal section 8; the left mounting rod 12 can move back and forth in the lower left longitudinal section bar 6, when the insertion hole 15 on the mounting rod 12 is coaxial with the front through hole on the left longitudinal section bar 6, the mounting rod 12 can be locked with the left longitudinal section bar 6 by screwing the matched bolt 14 into the nut 13 and inserting the matched bolt 14 into the insertion hole 15, and when the insertion hole 15 on the mounting rod 12 is coaxial with the rear through hole on the left longitudinal section bar 6, the mounting rod 12 can be locked with the left longitudinal section bar 6 by screwing the matched bolt 14 into the nut 13 and inserting the matched bolt 14 into the insertion hole 15; the right mounting rod 12 can move back and forth in the lower right longitudinal section bar 8, when the insertion hole 15 on the mounting rod 12 is coaxial with the forward through hole on the right longitudinal section bar 8, the mounting rod 12 can be locked with the right longitudinal section bar 8 by screwing the matching bolt 14 into the nut 13 and inserting the matching bolt 14 into the insertion hole 15, and when the insertion hole 15 on the mounting rod 12 is coaxial with the backward through hole on the right longitudinal section bar 8, the mounting rod 12 can be locked with the right longitudinal section bar 8 by screwing the matching bolt 14 into the nut 13 and inserting the matching bolt 14 into the insertion hole 15. The lower left longitudinal section 6 forms a mounting pipe for mounting the mounting rod 12 on the left side plate, the lower right longitudinal section 8 forms a mounting pipe for mounting the mounting rod 12 on the right side plate, and the matching bolt 14 forms a locking structure.
As shown in fig. 1 and 4, a sliding groove extending forward and backward is formed in the lower side of the rear portion of the mounting rod 12, the sliding groove is T-shaped, a plurality of hanging pieces 16 are slidably mounted in the sliding groove, the upper portion of each hanging piece 16 is T-shaped and is matched with the size of the sliding groove, each hanging piece 16 can slide forward and backward along the corresponding sliding groove and cannot fall off the corresponding sliding groove, and a through binding hole 17 is formed in the lower portion of each hanging piece 16; the upper portion of protection string bag 18 passes the binding hole 17 on pendant 16 and realizes tying up on each pendant 16 through the ligature rope respectively, and the lower part ligature of protection string bag 18 is fixed in the lower part of tail shrouding, is equipped with a plurality of solid fixed rings (not shown in the figure) on the trailing flank of the lower part of the tailboard 9 of tail shrouding, and each solid fixed ring is arranged along left right direction, and the lower part ligature of protection string bag 18 is on each solid fixed ring.
When the discharging platform is used, when the inserting holes 15 on the two mounting rods 12 respectively correspond to the through holes at the back of the left longitudinal section 6 and the right longitudinal section 8 and are locked through the matched bolts 14, the protective net bag 18 is spread on the back side of the tail sealing plate and used for improving the safety of the discharging platform, and at the moment, the protective unit is in a protective state; when the jacks 15 on the two mounting rods 12 respectively correspond to the through holes in the right longitudinal section bar 8 and the left longitudinal section bar 6 which are close to the front and are locked by the matched bolts 14, the protection string bag 18 is folded, the protection unit is in a folded state at the moment, when the protection unit is in the folded state, the rear end of the mounting rod 12 is close to the tail sealing plate, and the hanging pieces 16 on the mounting rod 12 are concentrated at the rear end of the sliding groove, so that the protection string bag 18 is pulled to the tail sealing plate to be folded.
As shown in fig. 1, a limiting block 19 is welded and fixed on the lower side of each of the two main beams 1, and when the unloading platform is installed on a floor slab, the two limiting blocks 19 are attached to the outer side surface of the floor slab or the outer side surface of the corresponding beam. Three lifting rings 20 are welded on the two main beams 1 respectively, the lifting rings 20 are used for lifting the unloading platform, and when the unloading platform is installed, one end of a steel wire rope is bound on the lifting rings 20, the other end of the steel wire rope is bound on an upper floor, so that the unloading platform is reinforced.
This platform of unloading hoist and mount before, adjust protection unit to packing up the state earlier, then will unload the platform hoist and mount to the floor that corresponds, it has few font reinforcing bars to pre-buried on the floor board of corresponding floor, two girders 1 of the platform of unloading can insert in few font reinforcing bars on the floor board and realize unloading the fixed of platform through filling the wedge, then tie up rings 20 with special wire rope one end, the other end is fixed on upper floor board, thereby realize unloading the reinforcement of platform, after unloading the platform installation, can carry out material transportation work after adjusting protection unit to protection state.
In the above embodiment, the left mounting bar is mounted in the lower left longitudinal profile in the left side plate, and the right mounting bar is mounted in the lower right longitudinal profile in the right side plate. In other embodiments, a mounting tube can be welded and fixed on the left side surface of the left side plate and the right side surface of the right side plate respectively, the axis of the mounting tube extends forwards and backwards, the rear end of the mounting tube is open, and the two mounting rods can be respectively mounted in the corresponding mounting tubes and can be used as well; can also set up the perforation of interval arrangement around two on the installation pole, the left side at the left side board all sets up two installation positions with the right side of right side board, two installation positions are along preceding back direction interval arrangement, every installation position sets up two nuts, then can pass the perforation and the screw in nut on the installation pole through two bolts after the installation position that the installation pole corresponds the difference and realize the fixed of installation pole in, when the installation pole is fixed in the installation position department that leans on the front, the protection unit is in the state of packing up, when the installation pole is fixed in the installation position department that leans on the back, the protection unit is in the protection state.
In the above embodiment, the lower part of the protection net bag is fixed on the lower part of the tail sealing plate. In other embodiments, the lower part of the protective net bag can be fixed on the rear end surface of the base and can be used as well.
In the above embodiment, the mounting rod is provided with the sliding groove, the plurality of hanging pieces are mounted in the sliding groove, and the upper part of the protective net bag is fixed on each hanging piece. In other embodiments, only the upper portion of the protective net can be fixed to the rear end of the mounting rod, and the same can be used.
In the above embodiment, the through holes and the nuts are arranged on the left longitudinal section and the right longitudinal section, the installation rod is provided with the insertion holes, and the installation rod is locked by the matched bolts during use. In other embodiments, threaded through holes may be provided in the lower left longitudinal section and the lower right longitudinal section, and screws are disposed in the threaded through holes, so that the mounting rod may be locked by tightening the mounting rod with the screws.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. A discharge platform with a retractable protective net bag comprises:
the base comprises two main beams extending forwards and backwards, and the two main beams are arranged at left and right intervals;
the left side plate is fixedly arranged on the main beam close to the left of the base;
the right side plate is fixedly arranged on the main beam close to the right of the base;
the tail sealing plate is fixedly arranged at the rear part of the base, and forms an accommodating space with an opening at the upper side and the front side together with the base, the left side plate and the right side plate;
it is characterized by also comprising:
the protection unit comprises a protection net bag and two installation rods, the two installation rods are arranged at intervals left and right, the length of the two installation rods extends in the front-back direction, the two installation rods are respectively installed on the left side plate and the right side plate in a position-adjustable mode in the front-back direction, the lower portion of the protection net bag is fixed on the tail sealing plate or the base, the upper portion of the protection net bag is fixed on the two installation rods, and the protection unit is used for receiving constructors when the constructors fall from notches in the tail sealing plate;
the protection unit has a retraction state for pulling the protection net bag to the tail sealing plate and a protection state for unfolding the protection net bag by adjusting the positions of the two mounting rods;
and the locking structure is used for locking the mounting rod and the corresponding side plate when the protection unit is in a folded state and a protection state.
2. The discharge platform with the retractable protection string bag as claimed in claim 1, wherein the corresponding mounting rods on the left side plate and the right side plate are respectively provided with a mounting tube extending forwards and backwards, and the two mounting rods are respectively inserted into the mounting tubes on the corresponding side plates and can move along the axial direction of the mounting tubes.
3. The discharge platform with the retractable protection net bag as claimed in claim 2, wherein the left side plate comprises a left side frame and a left wall plate arranged on the left side frame, the left side frame is provided with at least one left longitudinal section extending forwards and backwards, one of the left longitudinal sections is of a tubular structure and forms a mounting pipe on the left side plate; the right side board includes right side skeleton and installs the right wallboard on the right side skeleton, and right side skeleton has at least one right longitudinal section bar that extends from beginning to end, and one of them right longitudinal section bar is tubular structure and constitutes the installation pipe on the right side board.
4. The unloading platform with the retractable protection string bag as claimed in claim 2 or 3, wherein the two through holes penetrating through the pipe wall along the left-right direction are respectively formed in the pipe walls of the two opposite mounting pipes, the two through holes of each mounting pipe are arranged at intervals along the front-rear direction, each mounting pipe is provided with an insertion hole with a left-right extending axis, the insertion hole on the mounting rod is coaxial with the through hole on the mounting pipe close to the front when the protection unit is in a retracted state, the insertion hole on the mounting rod is coaxial with the through hole on the mounting pipe close to the rear when the protection unit is in a protection state, a nut is respectively welded and fixed on the mounting pipe corresponding to the two through holes, the axis of the nut is collinear with the axis of the through hole, and when the unloading platform is used, the mounting rod is screwed in the nut through a matched bolt; the mating bolt constitutes the locking structure.
5. The discharge platform with the retractable protection string bag as claimed in claim 2 or 3, wherein the rear part of the mounting rod is provided with a sliding groove extending forwards and backwards, a plurality of hanging pieces are arranged in the sliding groove, the upper part of the protection string bag is tied on each hanging piece, and each hanging piece can move backwards relative to the mounting rod when the mounting rod is inserted into the mounting pipe and is concentrated at the rear end of the mounting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262118.9U CN213062985U (en) | 2020-07-02 | 2020-07-02 | Unloading platform with retractable protective net bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262118.9U CN213062985U (en) | 2020-07-02 | 2020-07-02 | Unloading platform with retractable protective net bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213062985U true CN213062985U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021262118.9U Active CN213062985U (en) | 2020-07-02 | 2020-07-02 | Unloading platform with retractable protective net bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213062985U (en) |
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2020
- 2020-07-02 CN CN202021262118.9U patent/CN213062985U/en active Active
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