CN214021847U

CN214021847U - Sand screening machine for construction machinery

Info

Publication number: CN214021847U
Application number: CN202023045497.9U
Authority: CN
Inventors: 王赪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-24
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a sand screening machine for construction machinery, which comprises a bracket, a screen and a discharge plate, wherein an extension mechanism is arranged on the discharge plate, the extension mechanism comprises an extension plate and a triangular block, the end part of the extension plate is provided with an inserting strip, a threaded hole is arranged in the inserting strip, the lower surface of the triangular block is provided with a fixed block, the inside of the fixed block is respectively provided with a moving groove and a threaded groove, and the end part of the inserting strip can pass through the moving groove and extend to the outside of the side surface of the fixed block; the utility model discloses an extension mechanism of design is convenient for can prolong the length of play flitch, makes the stone and the debris that come out can increase with the interval between the qualified sand that comes out from the hang plate, can let be difficult to mix together between stone and debris and the qualified sand, and labour saving and time saving has improved the screening effect of screening sand machine for screening efficiency.

Description

Sand screening machine for construction machinery

Technical Field

The utility model belongs to the technical field of the screening sand machine, concretely relates to screening sand machine for construction machinery.

Background

The construction machine is a general name of mechanical equipment used in engineering construction and urban and rural construction, is also called as "construction machine" and "engineering machine" in china, and a sand screening machine is used to screen sand during construction.

When the existing sand screening machine is used, sand is screened in a screen, larger stones and sundries in the sand can fall out of one end of the screen and fall into a discharge plate, qualified sand is screened out of a slope plate below the screen, but after one end of the sand screening machine is used, more and more stones and sundries are piled up on the ground from the discharge plate, the stones and the sundries piled up at last can be mixed with the qualified sand on the slope plate easily, and the sand mixed together is further subjected to secondary screening again, so that the screening efficiency is reduced, time and labor are wasted, and inconvenience is brought to work of operators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening sand machine for construction machinery, in order to solve and to propose current screening sand machine when using in the above-mentioned background art, the sand is screened in the screen cloth, great stone and debris in the sand can come out from the one end of screen cloth and fall into out on the flitch, screen qualified sand and just fall out on the hang plate below from the screen cloth, but after using one end time, stone and debris that come out from going out the flitch pile up more and more subaerial, last accumulational stone and debris can come out qualified sand on with the hang plate and mix together easily, lead to mix sand together still to carry out the secondary screening again, not only reduced screening efficiency, also waste time and energy, the problem of inconvenience is brought for operating personnel's work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screening sand machine for construction machinery, includes support, screen cloth and play flitch, it extends the mechanism to be provided with on the play flitch, it includes extension board and three hornblocks to extend the mechanism, the tip of extension board is provided with the cutting, the inside threaded hole that sets up of cutting, three hornblocks's lower surface is provided with the fixed block, shifting chute and thread groove have been seted up respectively to the inside of fixed block, the tip of cutting can pass the shifting chute extends to the side of fixed block is outside, the inside threaded connection of thread groove has the screw rod, the top of screw rod extends to the inside of screw hole.

Preferably, the bottom of the screw rod is provided with a mounting disc, two side faces of the mounting disc are provided with holding rods, and the screw rod is connected with the threaded hole in a screwing mode through threads.

Preferably, the front of support is provided with the controller, be provided with the switch on the controller and revolve the handle, the top of controller is provided with protection mechanism, protection mechanism includes that safety cover and two sets of second magic are pasted, the both sides face of safety cover all is provided with first magic and pastes, first magic paste with connect through pasting between the second magic paste.

Preferably, the support is provided with hang plate and two sets of fixed strips respectively, and is two sets of be provided with the feeder hopper between the fixed strip.

Preferably, a rotating column is arranged on the screen, two groups of fixing frames are arranged on the upper surface of the support, two end portions of the rotating column can penetrate through the fixing frames and extend to the outside of the side face of each fixing frame, and a driven wheel is arranged at one end of the rotating column.

Preferably, the front of support still is provided with the fixing base, the top of fixing base is provided with gear motor, gear motor's work end is provided with the action wheel, the action wheel with the outside from the driving wheel is provided with drive chain.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an extension mechanism of design is convenient for can prolong the length of play flitch, makes the stone and the debris that come out can increase with the interval between the qualified sand that comes out from the hang plate, can let be difficult to mix together between stone and debris and the qualified sand, and labour saving and time saving has improved the screening effect of screening sand machine for screening efficiency.

(2) The utility model discloses a protection mechanism of design, the switch of being convenient for on the non-operation controller is revolved the time can be revolved the switch and is protected, prevents that operating personnel from touch the switch carelessly and revolve the condition that leads to the switch to revolve the appearance rotation, influences the screening sand machine and use, and the protection is effectual, and easy operation has promoted operating personnel's convenient operation nature.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of an extending mechanism of the present invention;

FIG. 3 is a schematic sectional view of the fixing block and the cutting strip of the present invention;

fig. 4 is a schematic structural view of the protection mechanism of the present invention;

FIG. 5 is a schematic sectional view of the protective cover of the present invention;

in the figure: 1. a controller; 2. an extension plate; 3. a discharge plate; 4. a fixed seat; 5. a reduction motor; 6. screening a screen; 7. a feed hopper; 8. a fixing strip; 9. a fixed mount; 10. a support; 11. an inclined plate; 12. a triangular block; 13. a fixed block; 14. cutting; 15. mounting a disc; 16. a moving groove; 17. a screw; 18. a threaded hole; 19. a thread groove; 20. a holding rod; 21. a protective cover; 22. a switch knob; 23. a first magic tape; 24. the second magic tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sand screening machine for construction machinery comprises a support 10, a screen 6 and a discharge plate 3, wherein an extension mechanism is arranged on the discharge plate 3 and comprises an extension plate 2 and a triangular block 12, an inserting strip 14 is arranged at the end part of the extension plate 2, a threaded hole 18 is formed in the inserting strip 14, a fixed block 13 is arranged on the lower surface of the triangular block 12, a moving groove 16 and a threaded groove 19 are respectively formed in the fixed block 13, the end part of the inserting strip 14 can penetrate through the moving groove 16 and extend to the outside of the side surface of the fixed block 13, a screw rod 17 is connected with the inner thread of the threaded groove 19, the top of the screw rod 17 extends to the inside of the threaded hole 18, a mounting disc 15 is arranged at the bottom of the screw rod 17, holding rods 20 are arranged on the two side surfaces of the mounting disc 15, the screw rod 17 is connected with the threaded hole 18 in a threaded manner, the length of the discharge plate 3 can be conveniently prolonged through the designed extension mechanism, the distance between stones and sundries which can be, can make the stone and debris and qualified sand be difficult to mix together, labour saving and time saving has improved the screening effect of screening sand machine for screening efficiency.

In this embodiment, it is preferred, the front of support 10 is provided with controller 1, it revolves 22 to be provided with the switch on the controller 1, controller 1's top is provided with protection machanism, protection machanism includes that safety cover 21 and two sets of second magic subsides 24, the both sides face of safety cover 21 all is provided with first magic subsides 23, first magic subsides 23 and second magic are pasted and are connected through pasting between 24, protection machanism through the design, it can protect switch 22 to be convenient for revolve when not operating controller 1 on the switch revolves 22, prevent that operating personnel from touch switch revolving 22 carelessly and lead to the switch to revolve 22 the rotation to appear, influence the condition that the sand screening machine used, the protecting effect is good, and the operation is simple, the convenient operation of operating personnel has been promoted.

In this embodiment, preferably, the bracket 10 is respectively provided with an inclined plate 11 and two sets of fixing strips 8, and a feeding hopper 7 is arranged between the two sets of fixing strips 8.

In this embodiment, preferably, a rotating column is disposed on the screen 6, two sets of fixing frames 9 are disposed on the upper surface of the bracket 10, both ends of the rotating column can penetrate through the fixing frames 9 and extend to the outside of the side surface of the fixing frames 9, and a driven wheel is disposed at one end of the rotating column.

In this embodiment, preferably, the front surface of the support 10 is further provided with a fixing seat 4, the top of the fixing seat 4 is provided with a reduction motor 5, the working end of the reduction motor 5 is provided with a driving wheel, and the driving wheel and the outer portion of the driven wheel are provided with a transmission chain.

The utility model discloses a theory of operation and use flow:

when the utility model is used, the end part of the cutting 14 on the extension plate 2 passes through the moving groove 16 to a proper position, at the moment, the threaded hole 18 is matched with the top position of the screw rod 17, then holding the holding rod 20 to rotate upwards to drive the mounting plate 15 to rotate, the mounting plate 15 drives the screw 17 to follow the rotation, then the top of the screw 17 is inserted into the threaded hole 18, the extension plate 2 can be fixed, the extension plate 2 can extend the distance of the stones and sundries on the discharge plate 3 to fall into the ground, when the extension board 2 needs to be detached, the holding rod 20 is held again to rotate in the downward direction, the mounting disc 15 is driven to rotate, the mounting disc 15 drives the screw rod 17 to rotate, then the top of the screw rod 17 is separated from the threaded hole 18, the extension board 2 can be moved leftwards at the moment, the end part of the inserting strip 14 is driven to be separated from the moving groove 16, and the extension board 2 can be detached at the moment;

when the switch knob 22 is not operated, the protection cover 21 covers the switch knob 22, the first magic tape 23 on the protection cover 21 is adhered to the second magic tape 24, the protection cover 21 can be installed, when the switch knob 22 is operated, the second magic tape 24 is torn from the first magic tape 23, and then the protection cover 21 is taken down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screening sand machine for construction machinery, includes support (10), screen cloth (6) and play flitch (3), its characterized in that: be provided with on play flitch (3) and extend the mechanism, it includes extension board (2) and three hornblocks (12) to extend the mechanism, the tip of extension board (2) is provided with cutting (14), threaded hole (18) are seted up to the inside of cutting (14), the lower surface of three hornblocks (12) is provided with fixed block (13), shifting chute (16) and thread groove (19) have been seted up respectively to the inside of fixed block (13), the tip of cutting (14) can pass shifting chute (16) and extend to the side of fixed block (13) is outside, the inside threaded connection of thread groove (19) has screw rod (17), the top of screw rod (17) extends to the inside of threaded hole (18).

2. The sand sieving machine for construction machinery according to claim 1, wherein: the bottom of screw rod (17) is provided with mounting disc (15), the both sides face of mounting disc (15) all is provided with holding rod (20), screw rod (17) with through the screw thread closure connection between screw hole (18).

3. The sand sieving machine for construction machinery according to claim 1, wherein: the front of support (10) is provided with controller (1), it revolves handle (22) to be provided with the switch on controller (1), the top of controller (1) is provided with protection mechanism, protection mechanism includes that safety cover (21) and two sets of second magic are pasted (24), the both sides face of safety cover (21) all is provided with first magic and pastes (23), first magic paste (23) with connect through pasting between second magic subsides (24).

4. The sand sieving machine for construction machinery according to claim 1, wherein: the support (10) is provided with an inclined plate (11) and two groups of fixing strips (8) respectively, and a feed hopper (7) is arranged between the two groups of fixing strips (8).

5. The sand screen for construction machinery according to claim 4, wherein: the screen cloth (6) is provided with a rotating column, the upper surface of the support (10) is provided with two groups of fixing frames (9), two end parts of the rotating column can penetrate through the fixing frames (9) and extend to the outside of the side surfaces of the fixing frames (9), and one end of the rotating column is provided with a driven wheel.

6. The sand screen for construction machinery according to claim 5, wherein: the front of support (10) still is provided with fixing base (4), the top of fixing base (4) is provided with gear motor (5), the work end of gear motor (5) is provided with the action wheel, the action wheel with the outside from the driving wheel is provided with drive chain.