Upper locking mechanism of concrete prefabricated part shelf capable of being piled upTechnical Field
The invention belongs to the technical field of a concrete prefabricated part shelf, and particularly relates to an upper locking mechanism of a concrete prefabricated part shelf capable of being piled up.
Background
Along with the continuous perfection of the green building construction technology and the increase of the popularization of the market, the concrete prefabricated member is widely applied in the fields of buildings, traffic, water conservancy and the like, and the variety is as follows: prefabricated reinforced concrete composite floor slab, wallboard, stair, balcony, piping lane, air conditioner board and enclosure etc. building prefabricated product, assembled reinforced concrete structure is one of the important direction of china's building structure development, and it is favorable to the development of the building industrialization of china, improves production efficiency energy saving, development green building. Compared with a cast-in-place construction method, the assembly type construction method is more in line with the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of green construction, reduces negative effects on the environment, including noise reduction, dust prevention, environmental pollution reduction, clean transportation, site interference reduction, water, electricity, material and other resources and energy, and follows the principle of sustainable development.
The tray is used as an indispensable logistics appliance in the loading, unloading, transporting and distributing processes of the concrete prefabricated part, and is widely applied to logistics and storage industries. At present, most concrete prefabricated part manufacturing enterprises use laminated slab trays which are single-layer, and because of the limitation of relevant standards, each tray of laminated slabs can only be stacked by 6-8 slabs, a large amount of stacking fields are required. It is statistically determined that the laminated slab occupies approximately 2/3% of the finished product yard area in the construction plant. And all concrete prefabricated part manufacturing enterprises have the common problem that the part stacking site is seriously insufficient.
Part of concrete prefabricated component manufacturing enterprises develop and use the laminated plate tray with two layers, and the supporting legs of the tray with two layers and the tray with the bottom layer are welded into a whole. The upper layer and the lower layer of the tray can not be used universally and can not be used flexibly. And the supporting legs are transported to a construction site along with the bottom layer tray and cannot be disassembled to be recycled in a factory, so that the investment of enterprises is increased.
But also partial concrete prefabricated component manufacturing enterprises have developed and used demountable installation's superimposed sheet goods shelves, are formed by connecting tray and landing leg, and the tray can't be locked with the landing leg after the installation, shakes after piling up and shakes, has the potential safety hazard, needs further improvement.
Disclosure of Invention
In order to solve the problems, the invention discloses an upper locking mechanism of a stackable concrete prefabricated part goods shelf, which can lock the positions above supporting legs and the positions below a tray instantly, is novel and practical, can be quickly installed and disassembled, can stack and stack, and provides reliable safety guarantee for stacking and transporting stacked plates.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an upper locking mechanism of a stackable concrete prefabricated part goods shelf comprises a locking box, wherein the locking box is divided into an outer locking area, a positioning area and an inner locking area from the front to the rear, a square tube is inserted in the positioning area, the inner ends above the outer locking area and the inner locking area are provided with a long strip hole, the inner parts of the outer locking area and the inner locking area are respectively provided with a set of instantaneous locking device, the instantaneous locking device comprises a transverse plate, a vertical plate, a forking plate, a hook plate, a U-shaped plate, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are wound with springs, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod penetrate through the outer locking area and are fixed at two ends of the outer locking area, the middle part of the transverse plate is fixed on the first connecting rod, one end, close to the long strip, the diaphragm is kept away from rectangular hole one end and is connected the riser lower extreme, divide fork board one end is connected to the riser upper end, divide the fork board middle part to fix on connecting rod two, and the slope of the fork board other end is downward, and the head of the fork board other end is circular, and the fork board lower extreme is equipped with the opening, the hook plate is the L type, and the hook plate tail end is equipped with protruding the colluding, protruding colluding sets up in the opening below, the hook plate department of bending is fixed on connecting rod three, diaphragm, riser, branch fork board, hook plate setting are in outer lock district left side, the U template setting is on outer lock district right side, and the inside circular slot that is equipped with of U template, U template keep flat and the circular slot direction is facing to the rectangular hole, and the free end of U template below is longer than the free end of top, and the free end inboard of U template below is equipped with the semicircular slot, and the free end.
As an improvement of the invention, a positioning rod is arranged below the free end below the U-shaped plate.
As an improvement of the invention, the elongated hole is in a bell mouth shape with a large upper part and a small lower part.
As an improvement of the invention, the transverse plate, the vertical plate and the bifurcation plate are connected through a pin shaft.
As an improvement of the invention, a pull ring is arranged below the pull rope.
The invention discloses a use method of an upper locking mechanism of a stackable concrete prefabricated part shelf, which comprises the following steps:
locking and unlocking
The tray is horizontally hung, the stud on the side surface of the tray is aligned with the strip hole, the cross-shaped steel plate below the tray is aligned with the square tube, the tray is descended, the cross-shaped steel plate below the tray is inserted into the square tube for coarse positioning, the stud enters the strip hole and falls into the circular groove inside the U-shaped plate (at the moment, the convex hook is not embedded in the notch), the stud can press the free end below the U-shaped plate to the horizontal position, the other end of the forked plate rebounds, the circular head of the stud props against the semicircular groove, and the whole structure is in a transient locking state,
second, unlocking
The pulling rope is pulled downwards, the transverse plate is far away from one end of the strip hole to push the vertical plate upwards, the head part at the other end of the forked plate is driven to leave the semicircular groove and rotate downwards, so that the convex hook is embedded in the opening,
thirdly, loosening
Hang the tray up, the pintle leaves the circular slot and drives the free end rotation of U template top, makes the U template up rotatory around connecting rod four, and the free end of U template below can inwards push up (toward keeping away from rectangular hole direction top) hook plate top, makes the hook plate rotatory around connecting rod three, and protruding colluding breaks away from the opening, and diaphragm, riser and fork plate return under the spring action, and the pintle leaves the locking box from the rectangular hole, and whole device gets into the unclamped state.
The invention has the beneficial effects that:
the upper locking mechanism of the stackable concrete prefabricated part goods shelf can lock the positions above the supporting legs and the positions below the tray instantly, is novel and practical, can be quickly installed and disassembled, can stack up and stack, does not need to be operated by an operator by ascending a height, and provides reliable safety guarantee for stacking and transporting the stacked plates.
Drawings
Fig. 1 shows a locked state of the upper lock mechanism according to the present invention.
Fig. 2 shows the unlocked state of the upper locking mechanism according to the present invention.
Fig. 3 shows the upper lock mechanism according to the present invention in a released state.
Fig. 4 is an external view of the present invention.
Fig. 5 is a partially enlarged view of the upper lock mechanism according to the present invention in a locked state.
Fig. 6 is an installation view of the upper lock mechanism according to the present invention.
Fig. 7 is a schematic locking diagram of a double U-shaped plate of an upper locking mechanism according to the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in the figure, the upper locking mechanism of the stackable concrete prefabricated part goods shelf comprises alocking box 1, thelocking box 1 is divided into anouter locking area 2, apositioning area 3 and aninner locking area 4 from front to back, an opening is formed above thepositioning area 3, asquare tube 5 is inserted into the positioning area, the inner ends of the upper parts of the outer locking area and the inner locking area are provided with along hole 6, the longitudinal section of thelong hole 6 is in a horn shape, the upper part is large, the lower part is small, a set of instant locking devices are respectively arranged inside the outer locking area and the inner locking area, each instant locking device comprises atransverse plate 7, a vertical plate 8, aforking plate 9, ahook plate 10, aU-shaped plate 11, a first connectingrod 12, a second connectingrod 13, a third connectingrod 14 and a fourth connectingrod 15, springs (capable of rotating) are wound on the first connectingrod 12, the second connectingrod 13, the third connectingrod 14 and the fourth connectingrod 15, the first connectingrod 12, the second connectingrod 13, the third connectingrod 14 and the fourth connectingrod 15 penetrate through the, the middle of thetransverse plate 7 is fixed on a first connectingrod 12, one end of thetransverse plate 7, which is close to the strip hole, is provided with a pull hole 16, the pull hole 16 is connected with apull rope 17 which passes through the lower part of an outer locking area, one end of thetransverse plate 7, which is far away from the strip hole, is connected with the lower end of a vertical plate 8, the upper end of the vertical plate 8 is connected with one end of a forkedplate 9, the middle of the forked plate is fixed on a second connectingrod 13, theother end 18 of the forked plate inclines downwards, the head part of theother end 18 of the forked plate is circular, the lower end of the forked plate is provided with anotch 19, the hook plate is L-shaped, the tail end of the hook plate is provided with aconvex hook 20, theconvex hook 20 is arranged below thenotch 19, the bending part of thehook plate 10 is fixed on a third connectingrod 14, thetransverse plate 7, the vertical plate 8, the forkedplate 9 and thehook plate 10 are arranged on the left side of, thefree end 22 of U template below is longer than thefree end 23 of top, and thefree end 22 inboard of U template below is equipped withhalf slot 24, and thefree end 23 of U template top is equipped withchamfer 25, and the tail end ofU template 11 is fixed on connecting rod four 15, and thefree end 18 below of U template below is equipped with locatinglever 26.
Thetransverse plate 7, the vertical plate 8 and thebifurcation plate 9 are connected through apin shaft 27 and rotate smoothly.
According to the invention, thepull ring 28 is arranged below thepull rope 17, an operator can stand on the ground by using the iron hook to hook thepull ring 28 to pull downwards, and the climbing operation is not needed, so that the safety is improved.
The invention discloses a use method of an upper locking mechanism of a stackable concrete prefabricated part shelf, which comprises the following steps:
locking and unlocking
Thetray 29 is horizontally hung, thestud 30 on the side face of the tray is aligned with thestrip hole 6, thecross steel plate 31 below the tray is aligned with thesquare tube 5, thetray 29 is lowered, thecross steel plate 31 below the tray is inserted into thesquare tube 5 for coarse positioning, thestud 30 enters thestrip hole 6 and falls into thecircular groove 21 inside the U-shaped plate (the convex hook is not embedded in the notch at the moment), the stud can press thefree end 22 below the U-shaped plate down to the horizontal position (thepositioning rod 26 plays a limiting role and can only be in the horizontal state to prevent thefree end 22 below the U-shaped plate from rotating downwards), theother end 18 of the forked plate rebounds, the circular head of the forked plate props against thesemicircular groove 24, and the whole structure is changed into an instant locking state as shown in figures
Second, unlocking
Pulling thepulling rope 17 downwards, pushing the vertical plate 8 upwards by thetransverse plate 7 far away from one end of the strip hole, driving the head of theother end 18 of the forking plate to leave thesemi-circular groove 24 and rotate downwards, so that theconvex hook 20 is embedded in thegap 19, as shown in figure 2, loosening the pulling rope, and then keeping thetransverse plate 7, the vertical plate 8, theforking plate 9 and thehook plate 10 on the left in an abnormal state,
thirdly, loosening
Thetray 29 is lifted upwards, thestud 30 leaves thecircular groove 21 and drives thefree end 23 above the U-shaped plate to rotate, the U-shapedplate 22 rotates upwards around the four 15 connecting rods, thefree end 22 below the U-shaped plate can push the hook plate upwards (towards the direction of keeping away from the strip hole), as shown in fig. 3, thehook plate 10 rotates around the three 14 connecting rods, theconvex hook 20 is separated from thenotch 19, thetransverse plate 7, the vertical plate 8 and theforking plate 9 return to a normal state under the action of a spring, thestud 30 leaves thelocking box 1 from thestrip hole 6, and the whole device enters a loosening state.
According to the upper locking mechanism of the stackable concrete prefabricated part goods shelf, when the round head part of theother end 18 of the bifurcation plate abuts against thesemicircular groove 24 of the U-shaped plate, the upper part of the supportingleg 32 and the lower part of thetray 29 can be locked instantly, thefree end 22 below the U-shaped plate cannot move upwards, thestud 30 is locked, when the supporting leg is loosened, thetray 29 and the supportingleg 32 can be separated by pulling the pull rope (theconvex hook 20 is embedded in thenotch 19, when the tray is hung upwards, thefree end 22 below the U-shaped plate can touch the back of the hook plate, so that theconvex hook 20 is separated from thenotch 19, and all mechanisms return to the original positions).
As shown in figure 7, the invention can also set up the double-locking structure in thelocking box 1, set up the U-shaped board 11 (the position staggers from beginning to end) on both sides of therectangular hole 6, twoU-shaped boards 11 block thestud 30 when the lock is dead, increase one safety, improve the locking force.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.