CN215111594U

CN215111594U - Rear frame of large construction engineering machine

Info

Publication number: CN215111594U
Application number: CN202121346673.4U
Authority: CN
Inventors: 刘艳冰; 于庆刚
Original assignee: Shenyang Juxing Machine Tool Co ltd
Current assignee: Shenyang Juxing Machine Tool Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-10
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a large-scale construction engineering machinery rear frame, in particular to the machinery field, which comprises a frame body, wherein one side of the frame body is fixedly connected with a connecting plate, the two sides of the connecting plate are respectively provided with a first chute, the outer ring walls of two lead screws are respectively in threaded connection with the inner ring wall of a corresponding round hole, the utility model is provided with a hydraulic cylinder and a limit post, which is beneficial for a worker to control the hydraulic cylinder to push the limit posts to approach each other, so that the two limit posts are preliminarily limited and fixed with an external connecting device, the first chute, a slide block, a rotating shaft and a fixed plate are installed, the worker is beneficial to control the slide block to be in sliding connection with the first chute, the rotating shaft rotates until the slide block is in the best position to adjust the fixed plate, one side of the fixed plate is convenient to contact with the external connecting device, the lead screws are further used for limiting and fixing between the fixed plate and the external connecting device, thereby effectively improving the stability of the device and the external connection device.

Description

Rear frame of large construction engineering machine

Technical Field

The utility model relates to the technical field of machinery, more specifically say, the utility model relates to a large-scale construction engineering machinery rear frame.

Background

A rear frame of large-scale construction engineering machinery is a rear frame device which uses auxiliary support in the large-scale construction engineering machinery.

At present, a lot of large-scale construction engineering machinery rear racks are arranged on the market, but in the using process of the general large-scale construction engineering machinery rear racks, the rear racks and external construction engineering machinery equipment cannot be effectively installed and fixed by the device, so that the device and an external connecting device are loosened, and the normal use of the device is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects in the prior art, the embodiment of the present invention provides a rear frame of a large construction engineering machine, and the technical problem to be solved by the present invention is: the device can not effectively install and fix the rear frame and the external construction engineering mechanical equipment.

In order to achieve the above object, the utility model provides a following technical scheme: a large-scale construction engineering machinery rear frame comprises a frame body, wherein one side of the frame body is fixedly connected with a connecting plate, two sides of the connecting plate are respectively provided with a first chute, one side of the connecting plate is fixedly provided with a limiting mechanism, the limiting mechanism comprises two supporting plates, two second chutes, four hydraulic cylinders and two limiting columns, one side of each of the two supporting plates is fixedly connected with one side of the corresponding connecting plate, the other side of each of the two supporting plates close to the other side of the connecting plate is respectively provided with a second chute, the inner walls of the two second chutes are respectively and fixedly connected with two hydraulic cylinders, the four hydraulic cylinders are movably connected with the two limiting columns between every two, the outer wall of the connecting plate is movably provided with an adjusting mechanism, the adjusting mechanism comprises two sliding blocks, two rotating shafts, two fixing plates, two round holes and two lead screws, the outer wall of one side of the two sliding blocks is respectively and slidably connected with the inner walls of the corresponding first chutes, the other sides of the two sliding blocks are movably connected with rotating shafts, one ends of the outer annular walls of the rotating shafts are fixedly connected with fixing plates, round holes are formed in one sides of the two fixing plates, lead screws are sleeved on one sides of the two fixing plates, and the outer annular walls of the two lead screws are in threaded connection with the inner annular walls of the corresponding round holes.

In a preferred embodiment, the inner walls of the two first sliding chutes are fixedly provided with tampons made of polytetrafluoroethylene materials, and the area size of one side of each tampon is matched with the area size of one side of the inner wall of the corresponding first sliding chute.

In a preferred embodiment, the limiting mechanism further includes four clamping blocks and four clamping grooves, one side of each of the four clamping blocks is fixedly connected with one side of the corresponding limiting column, the clamping grooves are formed in the outer walls of the other sides of the four clamping blocks in a sleeved mode, and the outer walls of the four clamping grooves are connected with one side of the corresponding hydraulic cylinder in an embedded mode.

In a preferred embodiment, the four hydraulic cylinders are respectively connected with the external switch through the external switch, and the area size of one side of the outer wall of each hydraulic cylinder is matched with the area size of one side of the inner wall of the corresponding second chute.

In a preferred embodiment, the length dimension of the outer walls of the four clamping blocks is matched with the depth dimension of the inner wall of the corresponding clamping groove, and the area dimension of one side of the outer walls of the four clamping blocks is matched with the area dimension of one side of the inner wall of the corresponding clamping groove.

In a preferred embodiment, the length dimension of one side of each of the outer walls of the two sliding blocks is larger than the depth dimension of the inner wall of the corresponding first sliding chute, and one side of each of the outer walls of the two sliding blocks is movably connected with the other side of the corresponding cotton sliver.

In a preferred embodiment, two ends of two rotating shafts are rotatably connected with rotating wheels, and the outer annular walls of the four rotating wheels are coated with lubricating oil.

In a preferred embodiment, the outer diameter of each of the outer ring walls of the two lead screws is matched with the inner diameter of the inner ring wall of the corresponding circular hole, and the outer ring walls of the four lead screws are in threaded connection with nuts.

The utility model discloses a technological effect and advantage:

the utility model discloses a be equipped with the pneumatic cylinder, spacing post, be favorable to staff's control pneumatic cylinder to promote spacing post and draw close each other, make two spacing posts and external connecting device carry out preliminary spacing fixed, install first spout, the slider, the apparatus further comprises a rotating shaft, the fixed plate, be favorable to staff's control slider and first spout to carry out sliding connection, it makes the pivot rotate to be in the best position adjustment fixed plate until the slider, the one side and the external connecting device contact of the fixed plate of being convenient for, use the lead screw further to make the spacing fixed between fixed plate and the external connecting device, thereby improve the stability that device and external connecting device are fixed effectively, do benefit to the normal use of device.

Drawings

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

FIG. 2 is a schematic structural view of a limiting mechanism of the present invention;

FIG. 3 is a schematic view of a part of the adjusting mechanism of the present invention;

fig. 4 is a schematic view of the structure of the runner of the present invention.

The reference signs are: 1. a frame body; 11. a connecting plate; 12. a first chute; 2. a limiting mechanism; 21. a support plate; 22. a second chute; 23. a hydraulic cylinder; 24. a limiting column; 25. a clamping block; 26. a card slot; 3. an adjustment mechanism; 31. a slider; 32. a rotating shaft; 33. a fixing plate; 34. a circular hole; 35. a lead screw; 4. a rotating wheel.

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.

According to the figures 1-4, the utility model provides a large-scale construction engineering machinery rear frame, which comprises a frame body 1, a connecting plate 11 is fixedly connected with one side of the frame body 1, first chutes 12 are respectively arranged on both sides of the connecting plate 11, which is convenient for the slide block 31 to be adjusted up and down, a limiting mechanism 2 is fixedly arranged on one side of the connecting plate 11, the limiting mechanism 2 comprises two supporting plates 21, two second chutes 22, four hydraulic cylinders 23 and two limiting columns 24, one side of each of the two supporting plates 21 is fixedly connected with one side of the corresponding connecting plate 11, the adjacent side of each of the two supporting plates 21 is respectively provided with one second chute 22, the inner walls of the two second chutes 22 are respectively fixedly connected with two hydraulic cylinders 23, which is convenient for controlling the distance between the two limiting columns 24, which is beneficial for the limiting columns 24 to better limit and fix the external connection device, two limiting columns 24 are movably connected between the four hydraulic cylinders 23, outer wall movable mounting of connecting plate 11 has adjustment mechanism 3, adjustment mechanism 3 includes two sliders 31, two pivots 32, two fixed plates 33, two round holes 34, two lead screws 35, the outer wall of two slider 31 one sides all with the inner wall sliding connection who corresponds first spout 12, the equal swing joint of opposite side of two sliders 31 has pivot 32, the equal fixedly connected with fixed plate 33 of one end of the outer rampart of two pivots 32, round hole 34 has all been seted up to one side of two fixed plates 33, one side of two fixed plates 33 all overlaps and establishes and is connected with lead screw 35, the outer rampart of two lead screws 35 all with the inner ring wall threaded connection who corresponds round hole 34.

Preferably, the inner walls of the two first sliding grooves 12 are fixedly provided with the cotton slivers made of polytetrafluoroethylene materials, the area sizes of one sides of the two cotton slivers are matched with the area sizes of one side of the inner wall of the corresponding first sliding groove 12, the friction force of the cotton slivers made of the polytetrafluoroethylene materials is small, the friction force generated by sliding connection between the first sliding grooves 12 and the sliding block 31 is greatly reduced, and therefore the abrasion degree of the device is reduced.

Preferably, stop gear 2 still includes four fixture blocks 25, four draw-in grooves 26, and one side of four fixture blocks 25 all with the one side fixed connection who corresponds spacing post 24, the outer wall of four fixture blocks 25 opposite sides all overlaps and establishes and is connected with draw-in groove 26, and the outer wall of four draw-in grooves 26 all is connected with the one side embedding that corresponds pneumatic cylinder 23, and installation fixture block 25 and draw-in groove 26 are favorable to improving the relation of connection between pneumatic cylinder 23 and the spacing post 24, the stability of the device use of being convenient for.

Preferably, four pneumatic cylinders 23 are all through external switch and external switch, and the area size of the outer wall one side of four pneumatic cylinders 23 all matches the setting with the area size that corresponds one side of the inner wall of second spout 22, and the staff of being convenient for keeps normal work better controlling means, does benefit to the normal operation of device.

Preferably, the length dimension of four fixture blocks 25 outer walls all matches the setting with the degree of depth dimension that corresponds draw-in groove 26 inner wall, and the area dimension of four fixture blocks 25 outer wall one side all matches the setting with the area dimension that corresponds draw-in groove 26 inner wall one side, and fixture block 25 and draw-in groove 26 zonulae occludens are convenient for to make pneumatic cylinder 23 and spacing post 24 zonulae occludens.

Preferably, the length dimension of one side of the outer walls of the two sliding blocks 31 is larger than the depth dimension of the inner wall of the corresponding first sliding groove 12, one side of the outer walls of the two sliding blocks 31 is movably connected with the other side of the corresponding cotton sliver, so that the sliding blocks 31 are movably connected with the inner wall of the first sliding groove 12 better, and the normal use of the device is facilitated.

Preferably, the two ends of the two rotating shafts 32 are rotatably connected with the rotating wheels 4, the outer annular walls of the four rotating wheels 4 are coated with lubricating oil, the rotating wheels 4 are installed so that the rotating shafts 32 can rotate better on one side of the sliding block 31, and the lubricating oil coated on the rotating wheels 4 is beneficial to reducing the friction force generated between the rotating wheels 4 and the sliding block 31 and is beneficial to the use of the device.

Preferably, the outer diameter of the outer annular walls of the two screws 35 is matched with the inner diameter of the inner annular wall of the corresponding circular hole 34, the outer annular walls of the four screws 35 are connected with nuts in a threaded manner, and the nuts are installed to further improve the stability of the screws 35 in installation with an external connection device, so that the normal use of the device is prevented from being influenced by the falling of the screws 35.

The utility model discloses the theory of operation: with one side and external connecting device zonulae occludens of connecting plate 11, open external control pneumatic cylinder 23's switch, make pneumatic cylinder 23 drive spacing post 24 and remove, make spacing post 24 carry out preliminary spacing fixed to external connecting device, use slider 31 to carry out sliding connection at the inner wall of first spout 12, use fixed plate 33 through the rotation of pivot 32, thereby make the angle of fixed plate 33 change, then make one side of fixed plate 33 better with external connecting device swing joint, use lead screw 35 and round hole 34 to carry out threaded connection, thereby make lead screw 35 and external connecting device zonulae occludens, thereby it is fixed to be favorable to the device to connect better, and convenient to use.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a large-scale construction engineering machinery rear frame, includes support body (1), its characterized in that: one side fixedly connected with connecting plate (11) of support body (1), first spout (12) have all been seted up to the both sides of connecting plate (11), one side fixed mounting of connecting plate (11) has stop gear (2), stop gear (2) include two backup pads (21), two second spout (22), four pneumatic cylinders (23), two spacing post (24), two one side of backup pad (21) all with the one side fixed connection who corresponds connecting plate (11), two second spout (22), two have all been seted up to one side that backup pad (21) are close two pneumatic cylinders (23), four of the equal fixedly connected with of inner wall of second spout (22) two spacing post (24) of pneumatic cylinder (23) swing joint between two liang, the outer wall movable mounting of connecting plate (11) has adjustment mechanism (3), adjustment mechanism (3) include two sliders (31), The sliding block comprises two rotating shafts (32), two fixing plates (33), two round holes (34) and two lead screws (35), wherein the outer wall of one side of each sliding block (31) is connected with the inner wall of the corresponding first sliding groove (12) in a sliding mode, the other side of each sliding block (31) is movably connected with the rotating shaft (32), the one end of the outer ring wall of each rotating shaft (32) is fixedly connected with the fixing plate (33), the round holes (34) are formed in one side of each fixing plate (33), the lead screws (35) are connected to one side of each fixing plate (33) in a sleeved mode, and the outer ring wall of each lead screw (35) is connected with the inner ring wall of the corresponding round hole (34) in a threaded mode.

2. The rear frame of the large construction work machine according to claim 1, characterized in that: the inner walls of the two first sliding grooves (12) are fixedly provided with cotton slivers made of polytetrafluoroethylene materials, and the area size of one side of each cotton sliver is matched with the area size of one side of the inner wall of the corresponding first sliding groove (12).

3. The rear frame of the large construction work machine according to claim 1, characterized in that: stop gear (2) still include four fixture blocks (25), four draw-in grooves (26), four one side of fixture block (25) all with the one side fixed connection who corresponds spacing post (24), four the outer wall of fixture block (25) opposite side all overlaps and establishes and is connected with draw-in groove (26), four the outer wall of draw-in groove (26) all is connected with the one side embedding that corresponds pneumatic cylinder (23).

4. The rear frame of the large construction work machine according to claim 1, characterized in that: four pneumatic cylinder (23) are all through external switch and external switch, four the area size of pneumatic cylinder (23) outer wall one side all matches the setting with the area size of corresponding second spout (22) inner wall one side.

5. The rear frame of the large construction engineering machine according to claim 3, wherein: four the length dimension size of fixture block (25) outer wall all matches the setting with the degree of depth dimension size that corresponds draw-in groove (26) inner wall, four the area dimension size of fixture block (25) outer wall one side all matches the setting with the area dimension size that corresponds draw-in groove (26) inner wall one side.

6. The rear frame of the large construction work machine according to claim 2, characterized in that: the length dimension of one side of the outer wall of each of the two sliding blocks (31) is larger than the depth dimension of the inner wall of the corresponding first sliding groove (12), and one side of the outer wall of each of the two sliding blocks (31) is movably connected with the other side of the corresponding cotton sliver.

7. The rear frame of the large construction work machine according to claim 1, characterized in that: two ends of the two rotating shafts (32) are rotatably connected with rotating wheels (4), and the outer annular walls of the four rotating wheels (4) are coated with lubricating oil.

8. The rear frame of the large construction work machine according to claim 1, characterized in that: the outer diameter of the outer ring walls of the two lead screws (35) is matched with the inner diameter of the inner ring wall of the corresponding round hole (34), and the outer ring walls of the four lead screws (35) are in threaded connection with nuts.