CN218643439U

CN218643439U - Buffering and limiting device for shovel rod of electric shovel

Info

Publication number: CN218643439U
Application number: CN202222480686.1U
Authority: CN
Inventors: 殷二朋; 杨顺堂; 韩耀萱; 潘子朝; 潘紫云; 潘爱军
Original assignee: Qian'an Jianxin Metal Structure Co ltd
Current assignee: Qian'an Jianxin Metal Structure Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-03-17
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to an electric shovel pole buffering stop device, including bulldozing and holding up handle and shovel pole body, the right side that bulldozes and holding up the handle is equipped with buffer gear, the through-hole has been seted up to the inside of shovel pole body, the inside sliding connection of through-hole has the stopper, the inner chamber of shovel pole body is equipped with fixed establishment, fixed establishment is including seting up the screw hole on shovel pole body right side, the inside threaded connection of screw hole has the threaded rod, the left side of threaded rod is rotated through the bearing frame and is connected with the movable plate, the left side of movable plate is fixed with two and runs through and extend to the inside fixture block of through-hole. This electric shovel pole buffering stop device, through the fixed establishment that sets up, rotatory handle drives the threaded rod rotatory to make the movable plate remove left, and drive two fixture blocks simultaneously and remove together, make the fixture block card go into the inside of draw-in groove, accomplish spacingly, easy operation, the convenience is dismantled and is installed labour saving and time saving to the stopper.

Description

Buffering and limiting device for shovel rod of electric shovel

Technical Field

The utility model relates to an electric shovel pole technical field specifically is electric shovel pole buffering stop device.

Background

The main transmission mode of the pushing mechanism of the electric shovel is that a pushing motor drives a shaft gear of a speed reducer, an overload clutch and a large pushing gear, and the pushing motor drives the shaft gear, the overload clutch and the large pushing gear to be in meshed transmission with a shovel rod rack in a pushing and supporting handle through supporting shovel rod gears on two sides, so that the rotary motion of the gears is converted into the linear motion of the rack, and the extension of a shovel rod in the supporting handle is realized.

With the development of science and technology in China, the requirement on the electric shovel rod is more and more, for example, chinese patent (publication No. CN 204691767U) discloses a buffering and limiting device for the electric shovel rod, which limits the limit position of the electric shovel rod by adopting the flexible contact collision of a rubber buffer block and a limiting block, is safe and reliable, ensures the stability of transmission, and simultaneously reduces the complicated work of daily maintenance and replacement of safety tooth screws and abrasion of safety tooth spare parts by post personnel.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electric shovel pole buffering stop device possesses the stopper and dismantles advantages such as convenient, has solved the stopper and has passed through the nut and fix the inside at shovel pole body, need just can dismantle the nut through other instruments, and the operation is inconvenient, the problem of wasting time and energy.

In order to achieve the above purpose, the utility model provides a following technical scheme: the electric shovel rod buffering and limiting device comprises a pushing and pressing handle and a shovel rod body, wherein a buffering mechanism is arranged on the right side of the pushing and pressing handle, a through hole is formed in the shovel rod body, a limiting block is connected to the inside of the through hole in a sliding mode, and a fixing mechanism is arranged in an inner cavity of the shovel rod body;

the fixing mechanism is including seting up the screw hole on shovel pole body right side, the inside threaded connection of screw hole has the threaded rod, the left side of threaded rod rotates through the bearing frame and is connected with the movable plate, the left side of movable plate is fixed with two and runs through and extend to the inside fixture block of through-hole, fixing mechanism is still including seting up two draw-in grooves on stopper right side, fixing mechanism is still including being fixed in the dead lever between the shovel pole body inner chamber left and right sides.

Further, the movable plate is connected to the outer surface of the fixed rod in a sliding mode, and the upper side and the lower side of the movable plate are connected to the upper side and the lower side of the inner cavity of the shovel rod body in a sliding mode respectively.

Further, the left side laminating of movable plate is in the left side of shovel pole body inner chamber, fixture block sliding connection is in the inside of draw-in groove, the right side of threaded rod is fixed with rotatory handle.

Furthermore, the outer surface of stopper is fixed with the baffle, the lower surface butt in the upper surface of shovel pole body of baffle, shovel pole body sliding connection pushes up the inside of holding up the handle.

Further, buffer gear is including being fixed in the fixed plate that bulldozes the right side of holding up the handle, the right side of fixed plate is fixed with fixed block and two rod covers, the left side of rod cover inner chamber is fixed with first spring, the right side of first spring is fixed with the carriage release lever, two the right side of carriage release lever is fixed with the buffer board, two one side that the rod cover is relative all is fixed with the slide bar, the surface slip cover of slide bar is equipped with the slider, the surface of slide bar has cup jointed the second spring, the right side of slider articulates there is the hinge bar.

Further, the right side of the hinged rod is hinged to the left side of the buffer plate, and the moving rod is connected to the inside of the rod sleeve in a sliding mode.

Furthermore, two opposite sides of the sliding rods are respectively fixed to the upper side and the lower side of the fixing block, and a rubber pad is fixed to the right side of the buffer plate.

Further, two chutes are formed in the right side of the fixing plate, the sliding block is T-shaped, and the sliding block is connected to the inside of the chutes in a sliding mode.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this electric shovel pole buffering stop device, through the fixed establishment that sets up, rotatory handle drives the threaded rod rotatory to make the movable plate remove left, and drive two fixture blocks simultaneously and remove together, make the fixture block card go into the inside of draw-in groove, accomplish spacingly, easy operation, the convenience is dismantled and is installed labour saving and time saving to the stopper.

2. This electric shovel pole buffering stop device, through the buffer gear who sets up, the buffer board removes left, drives the carriage release lever and removes left to extrude first spring, and the buffer board can drive two hinge bars and remove left, make slider relative movement through the hinge bar, and extrude the second spring, slider and carriage release lever reset, make the buffer board remove right, and buffering effect is good, is favorable to protecting the stopper.

Drawings

FIG. 1 is a schematic view of the present invention;

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

fig. 3 is a schematic structural diagram of the buffering mechanism of the present invention.

In the figure: the device comprises a push handle 1, a shovel rod body 2, a fixing mechanism 3, a clamping groove 301, a clamping block 302, a threaded rod 303, a fixing rod 304, a moving plate 305, a threaded hole 306, a limiting block 4, a buffering mechanism 5, a fixing plate 501, a rod sleeve 502, a first spring 503, a moving rod 504, a buffering plate 505, a hinge rod 506, a fixing block 507, a second spring 508, a sliding block 509, a sliding rod 510 and a through hole 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Please refer to fig. 1-2, electric shovel pole buffering stop device in this embodiment, including bulldozing handrail 1 and

shovel pole body

2, 2 sliding connection of shovel pole body bulldoze the inside of handrail 1, the right side that bulldozes handrail 1 is equipped with buffer gear 5, through-hole 6 has been seted up to the inside of shovel pole body 2, the inside sliding connection of through-hole 6 has stopper 4, protect stopper 4 through buffer gear 5, the inner chamber of shovel pole body 2 is equipped with fixed establishment 3 for fixed stopper 4, the convenience is dismantled and is installed stopper 4.

Wherein, the external fixed surface of stopper 4 has the baffle, and the lower surface butt of baffle is in the upper surface of shovel pole body 2, makes things convenient for fixed establishment 3 to carry on spacingly to spacing hole.

Fixing mechanism 3 is including seting up in the screw hole 306 on shovel pole body 2 right side, the inside threaded connection of screw hole 306 has threaded rod 303, the left side of threaded rod 303 rotates through the bearing frame and is connected with movable plate 305, it removes to drive movable plate 305 through the rotation of threaded rod 303, the left side laminating in the left side of shovel pole body 2 inner chamber of movable plate 305, the upper and lower both sides difference sliding connection in the upper and lower both sides of shovel pole body 2 inner chamber of movable plate 305, stability when increasing movable plate 305 and removing, the left side of movable plate 305 is fixed with two and runs through and extend to the inside fixture block 302 of through-hole 6, fixing mechanism 3 is still including seting up two draw-in grooves 301 on stopper 4 right side, fixing mechanism 3 is still including being fixed in the dead lever 304 between the 2 inner chamber left and right sides of shovel pole body, movable plate 305 sliding connection is in the surface of dead lever 304, further increase the stability when movable plate 305 removes.

The clamping block 302 is slidably connected inside the clamping groove 301, the clamping block 302 slides inside the clamping groove 301 to fix the limiting block 4, and the rotating handle is fixed on the right side of the threaded rod 303 to facilitate rotating the threaded rod 303.

In the fixing mechanism 3 in this embodiment, the rotating handle is rotated to drive the threaded rod 303 to rotate, and the moving plate 305 is moved leftward and drives the two clamping blocks 302 to move together, so that the clamping blocks 302 are clamped into the clamping grooves 301, thereby completing the limiting.

Referring to fig. 3, for buffering, the buffering mechanism 5 in this embodiment includes a fixing plate 501 fixed on the right side of the push handle 1, a fixing block 507 and two rod sleeves 502 are fixed on the right side of the fixing plate 501, a first spring 503 is fixed on the left side of an inner cavity of the rod sleeve 502, a moving rod 504 is fixed on the right side of the first spring 503, the moving rod 504 is reset by the first spring 503, the moving rod 504 is slidably connected inside the rod sleeve 502 to increase stability of the moving rod 504 when moving, buffer plates 505 are fixed on the right sides of the two moving rods 504 for contacting with the limit block 4, a rubber pad is fixed on the right side of the buffer plate 505 to prevent the limit block 4 from being damaged when the buffer plate 505 contacts with the limit block 4, slide rods 510 are fixed on opposite sides of the two rod sleeves 502, opposite sides of the two slide rods 510 are respectively fixed on upper and lower sides of the fixing block 507, a slide block 509 is slidably sleeved on outer surfaces of the slide rods 510, a second spring 508 is sleeved on outer surfaces of the slide rods 510 for resetting the slide block 509, a hinge rod 506 is hinged to the right side of the slide block 509, the hinge rod 506 is hinged to hinge the left side of the buffer plate 505, the hinge rod 506, the slide block 509 is hinged to drive the slide block 506 to move, and push the slide block to slide.

Wherein, two spouts have been seted up on the right side of fixed plate 501, and slider 509 is the T shape, and slider 509 sliding connection is inside the spout, stability when increasing slider 509 and removing.

In the damping mechanism 5 of this embodiment, the damping plate 505 moves to the left to drive the moving rod 504 to move to the left and press the first spring 503, and the damping plate 505 drives the two hinge rods 506 to move to the left, the sliding block 509 moves relatively through the hinge rods 506 and presses the second spring 508, and the sliding block 509 and the moving rod 504 are reset to move the damping plate 505 to the right.

The working principle of the above embodiment is as follows:

(1) Inside inserting stopper 4 into through-hole 6, the baffle butt of stopper 4 surface is behind the upper surface of shovel pole body 2, rotatory handle, rotatory handle drives threaded rod 303 rotatory to drive movable plate 305 and move left, and movable plate 305 can slide at the surface of dead lever 304, stability when increasing movable plate 305 and removing, when movable plate 305 removed, can drive two fixture blocks 302 and remove together, and make fixture block 302 block into the inside of draw-in groove 301, accomplish spacing to stopper 4.

(2) When the limiting block 4 moves leftwards, the left side of the limiting block 4 contacts the right side of the buffer plate 505 and then drives the buffer plate 505 to move leftwards, when the buffer plate 505 moves leftwards, the moving rod 504 is driven to move leftwards in the rod sleeve 502 and press the first spring 503, meanwhile, the buffer plate 505 drives the two hinge rods 506 to move leftwards, the two sliders 509 are driven to move relatively through the two hinge rods 506 and press the second spring 508, after the limiting block 4 stops contacting the buffer plate 505, the first spring 503 and the second spring 508 reset, the first spring 503 enables the moving rod 504 to drive the buffer plate 505 to move rightwards, the second spring 508 drives the sliders 509 to reset and drives the hinge rods 506 to reset, and therefore the buffer plate 505 moves rightwards.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. Electric shovel pole buffering stop device holds up handle (1) and shovel pole body (2) including bulldozing, its characterized in that: a buffer mechanism (5) is arranged on the right side of the pushing and pressing handrail (1), a through hole (6) is formed in the shovel rod body (2), a limiting block (4) is connected to the inside of the through hole (6) in a sliding mode, and a fixing mechanism (3) is arranged in an inner cavity of the shovel rod body (2);

fixed establishment (3) are including seting up in screw hole (306) on shovel pole body (2) right side, the inside threaded connection of screw hole (306) has threaded rod (303), the left side of threaded rod (303) is rotated through the bearing frame and is connected with movable plate (305), the left side of movable plate (305) is fixed with two and runs through and extend to inside fixture block (302) of through-hole (6), fixed establishment (3) are still including seting up in two draw-in grooves (301) on stopper (4) right side, fixed establishment (3) are still including being fixed in dead lever (304) between the shovel pole body (2) inner chamber left and right sides.

2. The electric shovel rod buffering and limiting device of claim 1, wherein: the movable plate (305) is connected to the outer surface of the fixed rod (304) in a sliding mode, and the upper side and the lower side of the movable plate (305) are connected to the upper side and the lower side of the inner cavity of the shovel rod body (2) in a sliding mode respectively.

3. The electric shovel rod buffering and limiting device of claim 1, wherein: the left side of the moving plate (305) is attached to the left side of the inner cavity of the shovel rod body (2), the clamping block (302) is connected to the inside of the clamping groove (301) in a sliding mode, and a rotating handle is fixed to the right side of the threaded rod (303).

4. The electric shovel rod buffering and limiting device of claim 1, wherein: the outer surface of the limiting block (4) is fixed with a baffle, the lower surface of the baffle abuts against the upper surface of the shovel rod body (2), and the shovel rod body (2) is connected to the inside of the pushing and pressing handrail (1) in a sliding mode.

5. The electric shovel rod buffering and limiting device of claim 1, wherein: buffer gear (5) are including being fixed in fixed plate (501) that bulldozes on handle (1) right side, the right side of fixed plate (501) is fixed with fixed block (507) and two pole covers (502), the left side of pole cover (502) inner chamber is fixed with first spring (503), the right side of first spring (503) is fixed with carriage release lever (504), two the right side of carriage release lever (504) is fixed with buffer board (505), two one side that pole cover (502) is relative all is fixed with slide bar (510), the outer surface slip cover of slide bar (510) is equipped with slider (509), the surface of slide bar (510) has cup jointed second spring (508), the right side of slider (509) articulates there is hinge bar (506).

6. The electric shovel rod buffering and limiting device of claim 5, wherein: the right side of the hinged rod (506) is hinged to the left side of the buffer plate (505), and the moving rod (504) is slidably connected to the inside of the rod sleeve (502).

7. The electric shovel rod buffering and limiting device of claim 5, wherein: the opposite sides of the two sliding rods (510) are respectively fixed to the upper side and the lower side of the fixing block (507), and a rubber pad is fixed to the right side of the buffer plate (505).

8. The electric shovel rod buffering and limiting device of claim 5, wherein: two sliding grooves are formed in the right side of the fixing plate (501), the sliding block (509) is T-shaped, and the sliding block (509) is connected to the inside of the sliding grooves in a sliding mode.