CN208430562U - A kind of excavator cab casing frame - Google Patents

Abstract

The utility model discloses a kind of excavator cab casing frames, including casing frame, two side frames that casing frame is located at front window are symmetrically opened up there are four through-hole, thread barrel is rotatably connected to by bearing in four through-holes, and thread barrel is away from each other one end of nozzle across through-hole and extends to outside, thread barrel is threaded with threaded rod, the side wall of through-hole is also symmetrically fixedly connected there are two limited block, and two limited blocks are located at the tube port position setting of thread barrel, the side wall of threaded rod offers the limiting slot to match with two limited blocks, two L-type plates are additionally provided in casing frame, the side wall that two L-type plates are away from each other side is fixedly connected with two threaded rod side walls, the vertical portion of two L-type plates is symmetrically opened up there are four the first groove, and four the first grooves are away from each other the setting of threaded rod side, fixture block is equipped in first groove.The utility model is easy to operate, can reduce labour convenient for the installation to front screen.

Description

A kind of excavator cab casing frame

Technical field

The utility model relates to technical field of buildings more particularly to a kind of excavator cab casing frames.

Background technique

In building machinery, excavator is usually all made of casing frame, to protect the safety of driver and conductor in driver's cabin, And to prevent the frame of driver's cabin to be deformed or prevent wheelhouse tipping.

In the prior art, front screen is all fixedly installed at the front window of excavator casing frame, and front screen holds It easily damages during the work time, dismantles more troublesome, large labor intensity.

Utility model content

Purpose of the utility model is to solve front screens in the prior art to dismantle more troublesome, large labor intensity.

Problem, and a kind of excavator cab casing frame proposed.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of excavator cab casing frame, including casing frame, the casing frame are located at two side frames of front window Frame is symmetrically opened up there are four through-hole, is rotatably connected to thread barrel by bearing in four through-holes, and thread barrel is away from each other One end of nozzle passes through through-hole and extends to outside, and the thread barrel is threaded with threaded rod, and the side wall of the through-hole is also right Title is fixedly connected there are two limited block, and two limited blocks are located at the tube port position of thread barrel and are arranged, and the side wall of the threaded rod is opened Equipped with the limiting slot to match with two limited blocks, two L-type plates, two L-type plate phases are additionally provided in the casing frame Side wall away from side is fixedly connected with two threaded rod side walls, and the vertical portion of two L-type plates symmetrically opens up that there are four the One groove, and four the first grooves are away from each other the setting of threaded rod side, are equipped with fixture block in first groove, the fixture block Side wall is fixedly connected by the first spring with the slot bottom of the first groove, and it is sliding that the two sidewalls of the fixture block are fixedly connected to first Block, the two sidewalls of first groove offer the first sliding groove to match with the first sliding block, and the thread barrel extends to outer The side wall in portion is additionally provided with position-limit mechanism.

Preferably, the position-limit mechanism includes four thread barrels, and four thread barrels extend to external side wall and cover Equipped with gear, the inner wall of the gear is symmetrically fixedly connected there are two the second sliding block, and the side wall of the thread barrel offers and two A second sliding slot to match with the second sliding block, the bottom of two second sliding blocks offer the second groove, and described second is recessed Wedge block is equipped in slot, the top of the wedge block is fixedly connected by second spring with the slot bottom of the second groove, described in two The slot bottom of second sliding slot is opened up there are two the wedge groove to match with wedge block, and the side wall of the casing frame is fixedly connected with There is the gear ring to match with gear, and gear ring is located at through hole setting.

Preferably, the thread barrel extends to external one end and is fixedly connected with turning handle.

Preferably, the side wall of the L-type plate and fixture block is equipped with rubber sheet gasket, and the surface of rubber sheet gasket offer it is anti-skidding Line.

Preferably, the top of the fixture block is equipped with inclination angle.

Preferably, the material of the casing frame is manganese steel.

Compared with prior art, the utility model provides a kind of excavator cab casing frame, has following beneficial Effect:

1, front screen can be placed on two L-types by the L-type plate being equipped with by the excavator cab casing frame Between plate, then drive fixture block mobile by the elastic force of the first spring, fixture block is mobile make front screen card and two L-type plates it Between, then the thread barrel by being equipped with, thread barrel is rotated, thread barrel rotation drives threaded rod mobile, and threaded rod is mobile to drive L-type plate It is mobile, to make front screen be clamped between two L-type plates securely, so as to be convenient for the installation of front screen.

2, the excavator cab casing frame, when L-type plate is moved to designated position, is pushed by the gear being equipped with Gear, gear is mobile to drive wedge block to be detached from one of wedge groove, and in the gear by being equipped with, gear movement makes gear and tooth Circle is meshed, and when gear is moved to designated position, drives wedge block mobile by the elastic force of second spring, enables wedge block Block and into another wedge groove, prevents threaded rod from loosening during the work time.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model It is easy to operate, labour can be reduced convenient for the installation to front screen.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of excavator cab casing frame structural schematic diagram；

Fig. 2 be the utility model proposes a kind of excavator cab casing frame side structure schematic view；

Fig. 3 be the utility model proposes a kind of excavator cab casing frame part A enlarged diagram；

Fig. 4 is the B-B direction cross-sectional view of Fig. 1；

Fig. 5 be the utility model proposes a kind of excavator cab casing frame C portion enlarged diagram.

In figure: 1 casing frame, 2 thread barrels, 3 threaded rods, 4 limited blocks, 5L template, 6 fixture blocks, 7 first springs, 8 first are slided Block, 9 gears, 10 second sliding blocks, 11 wedge blocks, 12 second springs, 13 gear rings, 14 turning handles, 15 rubber sheet gaskets, 16 wedge grooves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-5, a kind of excavator cab casing frame, including casing frame 1, the material of casing frame 1 are manganese Steel, the absorbing impact of manganese steel, extrusion performance are good, can be improved shock resistance and the Squeezing ground of casing frame 1, improve behaviour in driver's cabin Make the safety of personnel, two side frames that casing frame 1 is located at front window are symmetrically opened up there are four through-hole, are passed through in four through-holes Bearing is rotatably connected to thread barrel 2, rotate thread barrel 2 can only immovable, and thread barrel 2 is away from each other one end of nozzle and passes through Through-hole simultaneously extends to outside, and thread barrel 2 extends to external one end and is fixedly connected with turning handle 14, convenient for the rotation of thread barrel 2, spiral shell Line cylinder 2 is threaded with threaded rod 3, and being able to drive the rotation of thread barrel 2, threaded rod 3 is mobile, and the side wall of through-hole is also symmetrically fixed Connection is there are two limited block 4, and two limited blocks 4 are located at the tube port position setting of thread barrel 2, the side wall of threaded rod 3 offer and The limiting slot that two limited blocks 4 match, limits the rotary force of threaded rod 3, is additionally provided with two L-type plates 5 in casing frame 1, and two The side wall that a L-type plate 5 is away from each other side is fixedly connected with two 3 side walls of threaded rod, and front screen is made to can be placed at two L-types On plate 5, the vertical portion of two L-type plates 5 is symmetrically opened up there are four the first groove, and four the first grooves are away from each other threaded rod 3 one Side is arranged, and fixture block 6 is equipped in the first groove, and L-type plate 5 and the side wall of fixture block 6 are equipped with rubber sheet gasket 15, and rubber sheet gasket 15 Surface offer anti-skid chequer, in the utility model rubber sheet gasket 15 be existing structure, can play a protective role, additionally it is possible to mention The side wall of frictional force between high L-type plate 5 and front screen, fixture block 6 connects by the way that the slot bottom of the first spring 7 and the first groove is fixed It connects, fixture block 6 can be resisted by the elastic force of the first spring 7, enable to prevent between front screen card and fixture block 6 and L-type plate 5 Front screen is detached from, and the top of fixture block 6 is equipped with inclination angle, convenient for front screen to be placed on L-type plate 5, the two sidewalls of fixture block 6 It is fixedly connected to the first sliding block 8, the two sidewalls of the first groove offer the first sliding groove to match with the first sliding block 8, spiral shell Line cylinder 2 extends to external side wall and is additionally provided with position-limit mechanism, and position-limit mechanism includes four thread barrels 2, and four thread barrels 2 extend to External side wall is arranged with gear 9, and the inner wall of gear 9 is symmetrically fixedly connected with that there are two the second sliding block 10, the side walls of thread barrel 2 The second sliding slot to match with two with the second sliding block 10 is offered, gear 9 is enable to slide along second sliding slot, two second The bottom of sliding block 10 offers the second groove, is equipped with wedge block 11 in the second groove, the top of wedge block 11 passes through second spring 12 are fixedly connected with the slot bottom of the second groove, and the slot bottom of two second sliding slots opens up that there are two the wedges that match with wedge block 11 Shape slot 16 can be such that wedge block 11 blocks and into wedge groove 16, the side wall of casing frame 1 is solid by the elastic force of second spring 12 Surely it is connected with the gear ring 13 to match with gear 9, and gear ring 13 is located at through hole setting, and gear 9 is enable to engage with gear ring 13, Prevent threaded rod 3 from loosening.

In the utility model, in use, front screen is placed between two L-type plates 5, then pass through the first spring 7 Elastic force drives fixture block 6 mobile, and the movement of fixture block 6 makes front screen card and between two L-type plates 5, then by rotating thread barrel 2, The rotation of thread barrel 2 drives threaded rod 3 mobile, and threaded rod 3 is mobile to drive L-type plate 5 mobile, so as to make front screen securely It is clamped between two L-type plates 5, consequently facilitating the installation of front screen pushes gear when L-type plate 5 is moved to designated position 9, gear 9 is mobile to drive wedge block 11 to be detached from one of wedge groove 16, makes gear 9 and 13 phase of gear ring by the movement of gear 9 Engagement drives wedge block 11 mobile, makes wedge block 11 when gear 13 is moved to designated position by the elastic force of second spring 12 It can block and into another wedge groove 16, prevent threaded rod 3 from loosening during the work time.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of excavator cab casing frame, including casing frame (1), which is characterized in that the casing frame (1) is located at Two side frames of front window are symmetrically opened up there are four through-hole, are rotatably connected to thread barrel by bearing in four through-holes (2), and thread barrel (2) is away from each other one end of nozzle across through-hole and extends to outside, and the thread barrel (2) is threaded with spiral shell Rasp bar (3), the side wall of the through-hole is also symmetrically fixedly connected there are two limited block (4), and two limited blocks (4) are located at thread barrel (2) tube port position setting, the side wall of the threaded rod (3) offers the limiting slot to match with two limited blocks (4), described outer Be additionally provided with two L-type plates (5) in shell frame (1), two L-type plates (5) be away from each other side side wall and two threaded rods (3) Side wall is fixedly connected, and the vertical portion of two L-type plates (5) is symmetrically opened up there are four the first groove, and four the first groove phases It is arranged away from threaded rod (3) side, is equipped with fixture block (6) in first groove, the side wall of the fixture block (6) passes through the first bullet Spring (7) is fixedly connected with the slot bottom of the first groove, and the two sidewalls of the fixture block (6) are fixedly connected to the first sliding block (8), described The two sidewalls of first groove offer the first sliding groove to match with the first sliding block (8), and the thread barrel (2) extends to outside Side wall be additionally provided with position-limit mechanism.

2. a kind of excavator cab casing frame according to claim 1, which is characterized in that the position-limit mechanism includes Four thread barrels (2), four thread barrels (2) extend to external side wall and are arranged with gear (9), the gear (9) Inner wall is symmetrically fixedly connected there are two the second sliding block (10), and the side wall of the thread barrel (2) offers and two and the second sliding block (10) second sliding slot to match, the bottom of two second sliding blocks (10) offer the second groove, in second groove Equipped with wedge block (11), the top of the wedge block (11) is fixedly connected by second spring (12) with the slot bottom of the second groove, The slot bottom of two second sliding slots opens up that there are two the wedge groove (16) that matches with wedge block (11), the casing frames (1) side wall is fixedly connected to the gear ring (13) to match with gear (9), and gear ring (13) is located at through hole setting.

3. a kind of excavator cab casing frame according to claim 1, which is characterized in that the thread barrel (2) is prolonged It extends to external one end and is fixedly connected with turning handle (14).

4. a kind of excavator cab casing frame according to claim 1, which is characterized in that the L-type plate (5) and card The side wall of block (6) is equipped with rubber sheet gasket (15), and the surface of rubber sheet gasket (15) offers anti-skid chequer.

5. a kind of excavator cab casing frame according to claim 1, which is characterized in that the top of the fixture block (6) Portion is equipped with inclination angle.

6. a kind of excavator cab casing frame according to claim 1, which is characterized in that the casing frame (1) Material be manganese steel.