CN213502433U - Panel transportation bracket device - Google Patents

Abstract

The utility model relates to the technical field of plate transportation, in particular to a plate transportation bracket device, which comprises a tray structure, an operation holding rod and a pulley unit; the tray structure comprises a rectangular bearing plate, at least two bearing beams are arranged at the bottom of the rectangular bearing plate, wherein the two bearing beams are respectively arranged along the edges of the left side and the right side of the rectangular bearing plate, in the two bearing beams, two ends of each bearing beam are respectively provided with a suspension connecting plate, and suspension holes are formed in the suspension connecting plates; the pulley unit comprises four folding and unfolding pulley mechanisms which are arranged at the bottom of the tray structure and are arranged in a rectangular structure. The technical scheme is suitable for two use scenes of consignment and lifting, can realize that the bracket device can smoothly consign the plates on the ground without matching with a forklift, not only avoids high investment, but also is particularly suitable for a short-distance and small-space working environment.

Description

Panel transportation bracket device

Technical Field

The utility model relates to a transportation technical field of panel especially relates to a panel transportation bracket device.

Background

In the fields of modern manufacturing industry, building industry and the like, the application of plates is very common, and the plates are inconvenient to carry due to the fact that part of the plates have the characteristics of large area, fragility and/or heavy weight, so that the plates are generally carried by the plate bracket. In the plate processing workshop and in some building sites, two requirements of consignment (namely transportation on the ground) and lifting (transportation of the plate from the ground to a high place or transportation of the plate from the high place to the ground) are met, and although the existing bracket can meet the requirement, most of the brackets are matched with a forklift to realize consignment, so that higher input cost is generated, and particularly, the transportation road is limited and the forklift is not convenient to move in the face of short-distance transportation in the workshop. The bottom of a small part of brackets is provided with the pulleys, but the reliability of the pulley structure of the existing bracket is not high, and larger dangerous factors exist, namely, the brackets can easily slide due to the existence of the pulleys, so that the brackets are only suitable for ground consignment and are not convenient to hoist to high places. In summary, the conventional bracket is not highly applicable.

Disclosure of Invention

To the above problem, this real technical scheme provides a panel transportation bracket device, simple structure, design benefit, preparation background, and convenient to use.

The purpose of the utility model is realized through the following technical scheme:

a panel transportation bracket device is characterized in that: comprises a tray structure, an operation holding rod and a pulley unit; the tray structure includes rectangle bearing board, rectangle bearing board bottom is provided with two piece at least load crossbeams, end portion supporting beam mainly used supports rectangle bearing board, the stability of rectangle bearing board has been improved to a certain extent, prevent that rectangle bearing board warp promptly, it is preferred, set up three load crossbeams, and three load crossbeams are parallel to each other, and arrange at rectangle bearing board bottom equidistance, the supporting beam in the middle of can effectively prevent to produce in the middle of the rectangle bearing board and cave in, share its both sides supporting beam's mechanical pressure, so, when guaranteeing that the tray structure is stable reliable, the quantity of control preparation material as far as, and the weight of restriction tray structure. The bearing cross beam is of a hollow cuboid structure, the structure ensures stable and reliable supporting effect, reduces the input of material cost to the maximum extent and reduces the weight of the pallet structure to the maximum extent. Wherein two load beams set up along the edge on rectangle bearing board left side and right side respectively, and in these two load beams, the both ends of every load beam are provided with respectively suspends the connecting plate in midair, suspend and be provided with the hole of suspending in midair on the connecting plate, further make this technical scheme be applicable to the place of handling, the tip that supports the crossbeam based on the tip has great usable area, can support and suspend the connecting plate large tracts of land fixed connection in midair, has ensured this technical scheme's reliability, has improved the security of this technical scheme handling use. The front side and/or the rear side of the rectangular bearing plate are/is provided with mounting plates, the mounting plates are provided with positioning structures, and the operation holding rod is detachably connected with the mounting plates through the positioning structures; the pulley unit comprises four folding and unfolding pulley mechanisms which are arranged at the bottom of the tray structure and are arranged in a rectangular structure, the four folding and unfolding pulley mechanisms are arranged in the rectangular structure, the four folding and unfolding pulley mechanisms are used as vertexes, the four folding and unfolding pulley mechanisms are sequentially connected to form a closed loop structure which is rectangular, and the folding and unfolding pulley mechanisms are pulley mechanisms which can be folded and unfolded randomly according to needs.

Furthermore, the folding and unfolding pulley mechanism comprises an upper end connecting seat, a lower end connecting seat and a pulley, the pulley is rotatably connected with the lower end connecting seat, and the lower end connecting seat is arranged at the bottom of the upper end connecting seat; a central column and a through stud are arranged in the upper end connecting seat, and the central column and the through stud are parallel to each other; the upper end connecting seat is provided with a shaft penetrating hole for accommodating the central shaft piece and a threaded hole for accommodating the adjusting and positioning bolt, the shaft penetrating hole axially penetrates through the central column, and the threaded hole axially penetrates through the stud.

Preferably, the folding and unfolding pulley mechanism further comprises a rotating seat, and the upper end connecting seat and the lower end connecting seat are rotatably connected through the rotating seat, so that the transportation direction can be changed conveniently when the plates are transported on the ground.

Preferably, two bearing beams are arranged along the edges of the left side and the right side of the rectangular bearing plate, and two ends of each bearing beam are respectively tightly attached to the two suspension connecting plates and provided with mounting grooves for arranging the upper end connecting seats; one side of the mounting groove is fixedly connected with an auxiliary connecting plate with a bearing beam, and the auxiliary connecting plate is parallel to the corresponding suspension connecting plate; the suspension connecting plate is matched with the auxiliary connecting plate and is used for connecting the upper end connecting seat.

Preferably, the suspension connecting plate is provided with a central through hole I and an 1/4 arc waist groove concentrically arranged with the central through hole I; a central through hole II and a retracting positioning through hole and an extending positioning through hole which are respectively in one-to-one correspondence with the two end parts of the 1/4 arc waist groove are coaxially arranged on the auxiliary connecting plate and the central through hole I; the central shaft element simultaneously penetrates through the central through hole I, the shaft penetrating hole and the central through hole II, so that the upper end connecting seat is rotatably connected with the suspension connecting plate and the auxiliary connecting plate; and the adjusting and positioning bolt sequentially penetrates through the 1/4 arc waist groove and the threaded hole and is matched with the retracting positioning through hole or the extending positioning through hole to fix the upper end connecting seat.

Preferably, the bottom of mounting groove is provided with the arc smooth plate, the top of upper end connecting seat is the semi-circular arc structure with arc smooth plate clearance fit.

Preferably, the positioning structure comprises a positioning column and a positioning stud, one end of the positioning column is fixedly connected with the mounting plate, a threaded through hole is formed in the positioning column in a radial penetrating mode, and the positioning stud is spirally connected with the positioning column through the threaded through hole. Further, in this technical scheme, in order to facilitate adjusting the positioning stud, the positioning stud includes the stud body, and one end of the stud body is provided with the handwheel.

In order to facilitate easy detachment of the operation holding rod, the weight of the operation holding rod needs to be controlled, preferably, the operation holding rod is of a hollow tubular structure, the hollow tubular structure not only limits the weight of the operation holding rod, but also lays a good foundation for connection with a positioning structure; namely, the operation holding rod comprises a hand holding part and a connecting part which is detachably connected with the mounting plate; the end part of the connecting part is sleeved outside the positioning column and is in clearance fit with the positioning column; and two sides of the end part of the connecting part are respectively provided with a U-shaped groove and a positioning hole which are matched with the positioning stud.

Preferably, the bottom of the rectangular bearing plate is provided with a plurality of reinforcing ribs which are perpendicular to the bearing cross beam, and the reinforcing ribs are positioned between the rectangular bearing plate and the bearing cross beam, so that the stability of the rectangular bearing plate is improved, and the rectangular bearing plate is prevented from bending and deforming.

Preferably, the top of the rectangular bearing plate is provided with a barrier side wall along the front side edge and the rear side edge respectively for preventing the plate from falling.

The beneficial technical effect that this technical scheme brought does:

1) compared with the prior art, the technical scheme is suitable for two use scenes of consignment and lifting, and the pulley units are arranged at the bottom of the tray structure, so that the bracket device can smoothly consign the plates on the ground without matching with a forklift, thereby not only avoiding high investment, but also being particularly suitable for a short-distance and small-space working environment; the folding and unfolding pulley mechanism in the pulley unit can be folded and extended at will according to use requirements, and the pulley can be folded when the ground is lifted to a high place so as to meet the requirement of high place parking, eliminate the risk factor of unstable parking caused by the pulley and ensure the reliability of the technical scheme;

2) according to the connecting structure of the folding and unfolding pulley mechanism and the tray structure, the central shaft piece is used as the axis, the positioning bolt is adjusted to be matched with the 1/4 arc waist groove and the folding positioning through hole or the extending positioning through hole, so that the folding and unfolding pulley mechanism can smoothly and stably rotate and position, the folding and unfolding pulley mechanism can be further folded and extended, the structure is simple and easy to realize, and the operation is convenient and fast; the rotating seat is arranged in the folding and unfolding pulley mechanism, so that the full-rotation movement of the pulleys is realized, the change of the transportation direction is facilitated when the plates are transported on the ground, and the technical scheme is more convenient to use;

3) the technical scheme is provided with the detachable operation handle, so that the bracket device can be conveniently controlled to move on the ground, and meanwhile, the operation handle is detached from the bracket device under the special position condition that the movement space is limited so as to avoid hindering the loading and unloading of the plates, namely, the plates can be conveniently placed on the bracket device or unloaded from the bracket device; in addition, the connecting structure (namely the matching structure of the positioning structure, the U-shaped groove of the connecting part and the positioning hole) of the operation handle is stable and reliable, simple and ingenious in design and convenient to operate;

4) this technical scheme has designed load crossbeam and strengthening rib, has carried out dual reinforcement to the layer board structure, makes this technical scheme's structure more stable, has higher safe in utilization guarantee.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present embodiment;

FIG. 2 is a schematic view of the overall side structure of the present embodiment;

FIG. 3 is a front view of the connection structure of the pallet means and the retractable pulley mechanism in an extended state;

FIG. 4 is an enlarged schematic view taken at A in FIG. 3;

FIG. 5 is a front view of the connection structure of the pallet apparatus and the retractable pulley mechanism in the retracted state;

FIG. 6 is a side view of the connection structure between the pallet means and the retractable pulley mechanism in an extended state;

FIG. 7 is an enlarged view of the point B in FIG. 6;

FIG. 8 is a schematic top view of the tray structure;

FIG. 9 is a bottom view of the tray structure;

fig. 10 is a side view of the pulley mechanism;

fig. 11 is a front view of the pulley mechanism;

FIG. 12 is a schematic view of the relative positions of the auxiliary connecting plate and the retractable pulley mechanism;

FIG. 13 is a left side view of the connecting portion of the operation grip;

FIG. 14 is a right side view of the operation grip connecting portion;

FIG. 15 is a schematic view of the structure of the adjusting positioning bolt;

FIG. 16 is a schematic view of a positioning stud structure;

in the figure:

1. a rectangular bearing plate; 2. a force bearing cross beam; 3. a suspension connection plate; 4. a hanging hole; 5. mounting a plate; 6. a positioning structure; 6.1, a positioning column; 6.2, positioning a stud; 6.3.1, a stud body; 6.3.2, a hand wheel disc; 7. operating the holding rod; 7.1, a hand holding part; 7.2, a connecting part; 7.3, a U-shaped groove; 7.4, positioning holes; 8. a pulley retracting mechanism; 8.1, connecting the upper end with a base; 8.1.1, a semi-arc structure; 8.2, a lower end connecting seat; 8.3, a rotating seat; 8.4, a pulley; 8.5 a central column; 8.6 penetrating a stud; 8.7, a shaft penetrating hole; 8.8, a threaded hole; 9. a central shaft member; 10. adjusting the positioning bolt; 10.1, adjusting a hand wheel; 10.2, a threaded bolt body; 10.3, positioning a cylinder; 11. mounting grooves; 12. an auxiliary connecting plate; 13. a central through hole I; 14. 1/4 circular arc waist groove; 15. a central through hole II; 16. retracting and positioning the through hole; 17. stretching and positioning the through hole; 18. an arc-shaped smooth plate; 19. reinforcing ribs; 20. a barrier side wall; 21. and (4) a groove.

Detailed Description

The present invention is further described with reference to the following drawings and examples, which should not be construed as limiting the invention to the following examples, and all modifications and improvements of the present invention in the field are intended to be included within the scope of the present invention as claimed.

Example 1

The embodiment discloses a plate transportation bracket device, which is used as a basic embodiment of the utility model and comprises a tray structure, an operation holding rod 7 and a pulley 8.4 unit; the tray structure comprises a rectangular bearing plate 1, at least two bearing beams 2 are arranged at the bottom of the rectangular bearing plate 1, the bearing beams 2 are of hollow cuboid structures, the two bearing beams 2 are respectively arranged along the edges of the left side and the right side of the rectangular bearing plate 1, in the two bearing beams 2, two ends of each bearing beam 2 are respectively provided with a suspension connecting plate 3, and suspension holes 4 are formed in the suspension connecting plates 3; the front side and/or the rear side of the rectangular bearing plate 1 are/is provided with a mounting plate 5, the mounting plate 5 is provided with a positioning structure 6, and the operation holding rod 7 is detachably connected with the mounting plate 5 through the positioning structure 6; the pulley 8.4 unit comprises four folding and unfolding pulley mechanisms 8 which are arranged at the bottom of the tray structure and are arranged in a rectangular structure.

In practical use, for example, in an environment where a space is relatively narrow such as a production workshop, when a large number of boards need to be consigned on the ground, it is first determined that the folding and unfolding pulley mechanisms 8 are in an extended state, the boards are stacked on the rectangular support plate 1 one by one, the operation holding rods 7 are installed, the bracket devices are pushed or pulled by the operation holding rods 7 to consign the boards to destinations, specifically, if the mounting plates 5 are arranged on one of the front side and the rear side of the rectangular support plate 1, the operation holding rods 7 are directly fixed on the mounting plates 5, if the mounting plates 5 are arranged on both the front side and the rear side of the rectangular support plate 1, the operation holding rods 7 can be selected to be fixed nearby, and in some special cases, one operation holding rod 7 can be respectively fixed on the mounting plates 5 on the front side and the rear side, so that two persons can apply force to move the bracket devices at the same time. When needs transport the eminence with panel from subaerial, for example, add man-hour to panel in the workshop, utilize the vacuum adsorption manipulator to remove panel one by one on the lathe in proper order and process, before this, need place panel in on objects such as the step of take the altitude, the vacuum adsorption manipulator of being convenient for adsorbs panel, in this technical scheme, can adopt handling equipment bracket device to leave ground, specifically, pull down operation holding rod 7, handling equipment realizes hanging bracket device off ground through hanging in midair hole 4, bracket device leaves ground after, manual taking in four receipts exhibition pulley mechanism 8 in proper order, it stably parks to control handling equipment again to remove bracket device to the step, at this moment, load beam 2 can regard as main bearing structure. When the bracket device needs to be placed back to the ground, the lifting equipment is used for moving the bracket device, and the four folding and unfolding pulley mechanisms 8 are sequentially unfolded before the bracket device falls to the ground. Compared with the prior art, the technical scheme is suitable for two use scenes of consignment and lifting, and the pulley 8.4 units are arranged at the bottom of the tray structure, so that the bracket device can smoothly consign the plates on the ground without matching with a forklift, thereby not only avoiding high investment cost, but also being particularly suitable for a short-distance and small-space working environment; the folding and unfolding pulley mechanism 8 in the pulley 8.4 unit can be folded and unfolded at will according to use requirements, the pulley 8.4 can be folded when the ground is lifted to a high place so as to meet the requirement of high place parking, the risk factor of unstable parking caused by the pulley 8.4 is eliminated, the reliability of the technical scheme is ensured, and meanwhile, the pulley 8.4 can be unfolded before landing so as to meet the requirement of ground consignment when the ground is lifted to the ground from the high place, so that the technical scheme has higher applicability; in addition, the detachable operation handle is arranged in the technical scheme, so that the bracket device can be conveniently controlled to move on the ground, and meanwhile, the operation handle is detached from the bracket device under the special position condition that the moving space is limited so as to avoid the interference of the plate loading and unloading, namely, the plate can be conveniently placed on the bracket device or unloaded from the bracket device.

Example 2

The embodiment discloses a plate transportation bracket device, which is a preferred embodiment of the present invention, that is, in embodiment 1, a folding and unfolding pulley mechanism 8 includes an upper end connecting seat 8.1, a lower end connecting seat 8.2 and a pulley 8.4, the pulley 8.4 is rotatably connected with the lower end connecting seat 8.2, and the lower end connecting seat 8.2 is arranged at the bottom of the upper end connecting seat 8.1; a central column and a through stud are arranged in the upper end connecting seat 8.1, and the central column and the through stud are parallel to each other; a shaft penetrating hole 8.7 for accommodating the central shaft element 9 and a threaded hole 8.8 for accommodating the adjusting and positioning bolt 10 are formed in the upper end connecting seat 8.1, the shaft penetrating hole 8.7 axially penetrates through the central column, and the threaded hole 8.8 axially penetrates through the stud; two bearing beams 2 are arranged along the edges of the left side and the right side of the rectangular bearing plate 1, and two ends of each bearing beam 2 are respectively tightly attached to the two suspension connecting plates 3 and provided with mounting grooves 11 for arranging the upper end connecting seats 8.1; an auxiliary connecting plate 12 is fixedly connected with the force bearing beam 2 on one side of the mounting groove 11, and the auxiliary connecting plate 12 is parallel to the corresponding suspension connecting plate 3; the suspension connecting plate 3 is matched with the auxiliary connecting plate 12 and is used for connecting the upper end connecting seat 8.1; the suspension connecting plate 3 is provided with a central through hole I13 and an 1/4 arc waist groove 14 which is concentric with the central through hole I13; a central through hole II 15, a retraction positioning through hole 16 and an extension positioning through hole 17 which are respectively in one-to-one correspondence with the two end parts of the 1/4 arc waist groove 14 are coaxially arranged on the auxiliary connecting plate 12 and the central through hole I13; the central shaft part 9 simultaneously penetrates through the central through hole I13, the through shaft hole 8.7 and the central through hole II 15, so that the upper end connecting seat 8.1 is rotatably connected with the suspension connecting plate 3 and the auxiliary connecting plate 12; the adjusting and positioning bolt 10 passes through the 1/4 arc waist slot 14 and the threaded hole 8.8 in sequence and then is matched with the retracting positioning through hole 16 or the extending positioning through hole 17, so that the upper end connecting seat 8.1 is fixed.

In the technical scheme, in the practical use, when the folding and unfolding pulley mechanism 8 is in the extending state, the whole folding and unfolding pulley mechanism 8 is in the vertical placement state, namely the upper end connecting seat 8.1, the lower end connecting seat 8.2 and the pulley 8.4 are in a vertical line, at the moment, the adjusting and positioning bolt 10 is sequentially positioned at one end of the 1/4 arc waist groove 14, sequentially penetrates through the 1/4 arc waist groove 14 and the threaded hole 8.8 and then is inserted into the extending and positioning through hole 17, and based on a two-point positioning principle (the principle is realized by matching the adjusting and positioning bolt 10 with the central shaft part 9), the folding and unfolding pulley mechanism 8 is fixed in the extending state; when the folding and unfolding pulley mechanism 8 needs to be folded, the adjusting and positioning bolt 10 is rotated to enable the adjusting and positioning bolt 10 to exit from the extending and positioning through hole 17, the central shaft part 9 is taken as an axis, the folding and unfolding pulley mechanism 8 is rotated to enable the adjusting and positioning bolt 10 to move to the other end of the 1/4 circular arc waist groove 14 along the 1/4 circular arc waist groove 14, the adjusting and positioning bolt 10 is rotated again to enable the adjusting and positioning bolt 10 to be inserted into the extending and positioning through hole 17 to be folded and positioned in the positioning through hole 16, still based on the two-point positioning principle, the folding and unfolding pulley mechanism 8 is fixed in a folded state, and at the moment, the upper end connecting seat 8.1, the lower end connecting seat 8.2 and the pulley. This technical scheme's receipts exhibition pulley mechanism 8 and tray structure's connection structure to center pin 9 is the axle center, adjusts positioning bolt 10 cooperation 1/4 circular arc waist groove 14 and packs up location perforation 16 or extend location perforation 17 cooperation, makes smooth and stable rotation and the location of receipts exhibition pulley mechanism 8, further realizes that receipts exhibition pulley mechanism 8 packs up and extends, simple structure, easily realization, and the simple operation.

Example 3

The embodiment discloses a plate transportation bracket device, as an optimized implementation scheme of the utility model, in embodiment 2, the adjusting positioning bolt 10 includes an adjusting hand wheel 10.1 and a threaded bolt body 10.2, the adjusting hand wheel 10.1 is coaxially provided with a positioning cylinder 10.3, the threaded bolt body 10.2 is coaxially arranged with the positioning cylinder 10.3, one end of the threaded bolt body 10.2 is fixedly connected with the positioning cylinder 10.3, and the structure of the adjusting positioning bolt 10 is as shown in fig. 15; the suspension connecting plate 3 is provided with grooves 21 for accommodating the positioning cylinders 10.3 at positions corresponding to the two ends of the 1/4 circular arc waist groove 14.

In this technical scheme, the threaded bolt body 10.2 runs through 1/4 circular arc waist groove 14, screw hole 8.8 gold and extension location perforation 17 (pack up location perforation 16), it is fixed to realize fixed upper end connecting seat 8.1, simultaneously, in the fixed period of upper end connecting seat 8.1, location cylinder 10.3 is in corresponding recess 21, so alright make as far as adjust positioning bolt 10 both ends atress balanced, in order to increase the life who adjusts positioning bolt 10, the safety in utilization guarantee of this technical scheme has still been improved simultaneously.

Example 4

The embodiment discloses a plate transportation bracket device, which is taken as a preferred embodiment of the utility model, namely, in the embodiment 2, the bottom of a rectangular bearing plate 1 is provided with a plurality of reinforcing ribs 19 which are vertical to a bearing beam 2, and the reinforcing ribs 19 are arranged between the rectangular bearing plate 1 and the bearing beam 2; the top of the rectangular bearing plate 1 is provided with a baffle side wall 20 along the front side edge and the rear side edge respectively for preventing plates from falling; the bottom of the mounting groove 11 is provided with an arc-shaped smooth plate 18, and the top of the upper end connecting seat 8.1 is in a semi-arc structure 8.1.1 in clearance fit with the arc-shaped smooth plate 18; the folding pulley mechanism 8 further comprises a rotating seat 8.3, and the upper end connecting seat 8.1 is rotatably connected with the lower end connecting seat 8.2 through the rotating seat 8.3.

In the technical scheme, the force-bearing cross beam 2 and the reinforcing ribs 19 are designed, and the supporting plate structure is doubly reinforced, so that the structure of the technical scheme is more stable, and higher safety use guarantee is provided; the arrangement of the side wall 20 of the partition ensures that the technical scheme is suitable for bearing plates with small bearing area and preventing the plates from falling; the matching structure of the arc smooth plate 18 and the upper end connecting seat 8.1 can ensure that the arc smooth plate 18 provides certain supporting force, and further lightens the mechanical burden of the central shaft element 9 and the adjusting positioning bolt 10.

Example 5

The embodiment discloses a plate transportation bracket device, as an optimal implementation scheme of the utility model, namely, in embodiment 1, a positioning structure 6 comprises a positioning column 6.1 and a positioning stud 6.2, one end of the positioning column 6.1 is fixedly connected with a mounting plate 5, a threaded through hole is radially arranged on the positioning column 6.1 in a penetrating manner, and the positioning stud 6.2 is spirally connected with the positioning column 6.1 through the threaded through hole; the operation holding rod 7 is of a hollow tubular structure and comprises a hand holding part 7.1 and a connecting part 7.2 which is detachably connected with the mounting plate 5; the end part of the connecting part 7.2 is sleeved outside the positioning column 6.1 and is in clearance fit with the positioning column 6.1; two sides of the end part of the connecting part 7.2 are respectively provided with a U-shaped groove 7.3 and a positioning hole 7.4 which are used for being matched with the positioning stud 6.2.

In the technical file, when the operation holding rod 7 needs to be installed, the positioning stud 6.2 is rotated, the end part of the rotating positioning column 6.1 is retreated into the threaded through hole, then the end part of the connecting part 7.2 is sleeved on the positioning column 6.1, in the process, the U-shaped groove 7.3 is clamped on two sides of the positioning stud 6.2 until the bottom of the U-shaped groove 7.3 is contacted with the positioning stud 6.2, the positioning hole 7.4 and the threaded through hole are in a coaxial state, the positioning stud 6.2 is rotated, the positioning stud 6.2 penetrates through the positioning hole 7.4, and therefore the operation holding rod 7 is fixed on the installation plate 5. The connecting structure of the operation handle in the technical scheme (namely the matching structure of the positioning structure 6, the connecting part 7.2U-shaped groove 7.3 and the positioning hole 7.4) is stable and reliable, simple and ingenious in design and convenient to operate.

For further convenience in operation, the positioning stud 6.2 may be structured as shown in fig. 16, and includes a stud body 6.3.1, and a hand wheel disc 6.3.2 is provided at one end of the stud body 6.3.1.

Claims (10)

1. A panel transportation bracket device is characterized in that: comprises a tray structure, an operation holding rod (7) and a pulley (8.4) unit;

the tray structure comprises a rectangular bearing plate (1), at least two bearing beams (2) are arranged at the bottom of the rectangular bearing plate (1), the bearing beams (2) are of hollow cuboid structures, the two bearing beams (2) are respectively arranged along the edges of the left side and the right side of the rectangular bearing plate (1), in the two bearing beams (2), two ends of each bearing beam (2) are respectively provided with a suspension connecting plate (3), and suspension holes (4) are formed in the suspension connecting plates (3); the front side and/or the rear side of the rectangular bearing plate (1) are/is provided with a mounting plate (5), the mounting plate (5) is provided with a positioning structure (6), and the operation holding rod (7) is detachably connected with the mounting plate (5) through the positioning structure (6); the pulley (8.4) unit comprises four folding and unfolding pulley mechanisms (8) which are arranged at the bottom of the tray structure and are arranged in a rectangular structure.

2. A sheet transport tray assembly according to claim 1, wherein: the folding and unfolding pulley mechanism (8) comprises an upper end connecting seat (8.1), a lower end connecting seat (8.2) and a pulley (8.4), the pulley (8.4) is rotatably connected with the lower end connecting seat (8.2), and the lower end connecting seat (8.2) is arranged at the bottom of the upper end connecting seat (8.1); a central column and a through stud are arranged in the upper end connecting seat (8.1), and the central column and the through stud are parallel to each other; the upper end connecting seat (8.1) is provided with a shaft penetrating hole (8.7) used for accommodating the central shaft element (9) and a threaded hole (8.8) used for accommodating the adjusting and positioning bolt (10), the shaft penetrating hole (8.7) axially penetrates through the central column, and the threaded hole (8.8) axially penetrates through the stud.

3. A sheet transport tray assembly according to claim 2, wherein: the folding and unfolding pulley mechanism (8) further comprises a rotating seat (8.3), and the upper end connecting seat (8.1) is rotatably connected with the lower end connecting seat (8.2) through the rotating seat (8.3).

4. A sheet transport tray assembly according to claim 2, wherein: two bearing beams (2) are arranged along the edges of the left side and the right side of the rectangular bearing plate (1), and two ends of each bearing beam (2) are respectively tightly attached to the two suspension connecting plates (3) and provided with mounting grooves (11) for mounting the upper end connecting seats (8.1); an auxiliary connecting plate (12) is fixedly connected with the force bearing cross beam (2) on one side of the mounting groove (11), and the auxiliary connecting plate (12) is parallel to the corresponding suspension connecting plate (3); the suspension connecting plate (3) is matched with the auxiliary connecting plate (12) and is used for connecting the upper end connecting seat (8.1).

5. A sheet transport tray assembly according to claim 4, wherein: the suspension connecting plate (3) is provided with a central through hole I (13) and an 1/4 arc waist groove (14) which is concentric with the central through hole I (13); a central through hole II (15) and a retracting positioning through hole (16) and an extending positioning through hole (17) which are respectively in one-to-one correspondence with two end parts of the 1/4 arc waist groove (14) are coaxially arranged on the auxiliary connecting plate (12) and the central through hole I (13); the central shaft element (9) simultaneously penetrates through the central through hole I (13), the shaft penetrating hole (8.7) and the central through hole II (15), so that the upper end connecting seat (8.1) is rotatably connected with the suspension connecting plate (3) and the auxiliary connecting plate (12); the adjusting and positioning bolt (10) penetrates through the 1/4 arc waist groove (14) and the threaded hole (8.8) in sequence and then is matched with the retracting positioning through hole (16) or the extending positioning through hole (17), so that the upper end connecting seat (8.1) is fixed.

6. A sheet transport tray assembly according to claim 4, wherein: the bottom of mounting groove (11) is provided with arc smooth plate (18), the top of upper end connecting seat (8.1) is and arc structure (8.1.1) with arc smooth plate (18) clearance fit.

7. A sheet transport tray assembly according to claim 1, wherein: location structure (6) include reference column (6.1) and positioning stud (6.2), the one end and mounting panel (5) fixed connection of reference column (6.1), radially run through on reference column (6.1) and be provided with the screw thread and perforate, positioning stud (6.2) are through screw thread perforation and reference column (6.1) screwed connection.

8. A sheet transport tray assembly according to claim 7, wherein: the operation holding rod (7) is of a hollow tubular structure and comprises a hand holding part (7.1) and a connecting part (7.2) which is detachably connected with the mounting plate (5); the end part of the connecting part (7.2) is sleeved outside the positioning column (6.1) and is in clearance fit with the positioning column (6.1); two sides of the end part of the connecting part (7.2) are respectively provided with a U-shaped groove (7.3) and a positioning hole (7.4) which are used for being matched with the positioning stud (6.2).

9. A sheet transport tray assembly according to claim 1, wherein: the bottom of the rectangular bearing plate (1) is provided with a plurality of reinforcing ribs (19) which are perpendicular to the bearing beam (2), and the reinforcing ribs (19) are positioned between the rectangular bearing plate (1) and the bearing beam (2).

10. A sheet transport tray assembly according to claim 1, wherein: and the top of the rectangular bearing plate (1) is provided with a separation side wall (20) used for preventing the plate from falling along the front side edge and the rear side edge respectively.

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