CN216839654U

CN216839654U - Excavator hood

Info

Publication number: CN216839654U
Application number: CN202123356847.8U
Authority: CN
Inventors: 徐庆久; 汪林; 董德尚
Original assignee: Hefei Tenver Precision Casting Co Ltd
Current assignee: Hefei Tenver Precision Casting Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-28
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to an excavator aircraft bonnet technical field discloses an excavator aircraft bonnet. The first hood and the second hood are identical in structure and can be opened and closed; the aircraft bonnet casing is still including setting up in the annular mount pad of first aircraft bonnet and second aircraft bonnet below, is equipped with the first articulated post and the second articulated post of relative setting on the annular mount pad, and first aircraft bonnet articulates on first articulated post, and the second aircraft bonnet articulates on the second articulated post, is equipped with the latch mechanism on the inside lateral wall of first aircraft bonnet and second aircraft bonnet closed department, and the latch mechanism is including setting up the lock somatic part portion on first aircraft bonnet and setting up the hasp portion on the second aircraft bonnet. The utility model discloses can realize making things convenient for operating personnel to open the aircraft bonnet to the maintenance excavator.

Description

Excavator hood

Technical Field

The utility model relates to an excavator aircraft bonnet technical field, specifically speaking relates to an excavator aircraft bonnet.

Background

Excavator among the prior art all is equipped with the engine bonnet in the top of engine, can prevent like this that the excavator from touching the engine at the during operation, or prevent that debris from falling into the damage that causes the engine in the engine, but current engine bonnet need upwards lift the engine bonnet hard by the manual work when opening, when reaching suitable angle, prop up the engine bonnet with the bracing piece and prevent to drop, take down the bracing piece again after the maintenance and then close the engine bonnet by the dead weight free fall of engine bonnet, this kind of mode not only makes maintenance workman intensity of labour big, waste time and energy, and the weight of engine bonnet is heavy, lean on the dead weight free fall of engine bonnet when closing, can cause the damage of engine bonnet, long-time use can reduce the life of engine bonnet greatly.

SUMMERY OF THE UTILITY MODEL

To the inconvenient defect of engine bonnet when using that exists among the prior art, the utility model provides an excavator aircraft bonnet. It can realize making things convenient for operating personnel to open the aircraft bonnet to the maintenance excavator.

In order to solve the above technical problem, the present invention solves the above technical problems.

The excavator hood comprises a hood shell arranged on an excavator, wherein the hood shell is provided with a first hood and a second hood, the first hood and the second hood are identical in structure, and the first hood and the second hood can be opened and closed; the aircraft bonnet casing is still including setting up in the annular mount pad of first aircraft bonnet and second aircraft bonnet below, is equipped with the first articulated post and the second articulated post of relative setting on the annular mount pad, and first aircraft bonnet articulates on first articulated post, and the second aircraft bonnet articulates on the second articulated post, is equipped with the latch mechanism on the inside lateral wall of first aircraft bonnet and second aircraft bonnet closed department, and the latch mechanism is including setting up the lock somatic part portion on first aircraft bonnet and setting up the hasp portion on the second aircraft bonnet.

Through the utility model discloses a structure for first aircraft bonnet articulates on first hinge post, the second aircraft bonnet articulates on the second hinge post, thereby make and to rotate on the annular installation seat between first aircraft bonnet and the second aircraft bonnet, the engine of excavator sets up in the annular installation seat, annular installation seat internal fixation is on the excavator, this makes, the workman is when maintaining the excavator engine, through the hasp portion on the lock somatic part on the first aircraft bonnet of unblock and the second aircraft bonnet, make first aircraft bonnet and second aircraft bonnet can be opened with the mode of vertical hinged door, and then make things convenient for the workman to maintain the excavator.

Preferably, in this embodiment, the lock body portion includes a first mounting block fixed on the inner side wall of the first housing, a mounting cavity is disposed in the first mounting block, a locking plate capable of moving toward or away from the locking portion is disposed in the mounting cavity, the locking plate is provided with fastening blocks vertically spaced apart from each other along the surface of the locking plate, the locking portion includes a second mounting block fixed on the inner side wall of the second housing and disposed corresponding to the first mounting block, and a side of the second mounting block facing the first mounting block is provided with a clamping groove for the fastening blocks to be clamped in; the first hood and the second hood can be locked under the action that the clamping block is clamped into the clamping groove.

The utility model discloses in, through the setting of jam plate, fixture block, draw-in groove for the jam plate makes the jam plate drive in the fixture block card goes into the draw-in groove when the installation intracavity moves towards hasp portion direction, thereby realizes the shutting between first aircraft bonnet and the second aircraft bonnet.

Preferably, fixing rods penetrating through the locking plate are respectively arranged in the mounting cavity and at the two ends of the locking plate, and springs sleeved on the fixing rods are arranged between the locking plate and the side wall of the mounting cavity; the locking plate can keep the trend of moving towards the direction of the locking part under the action of the spring.

In the utility model, the locking plate pushes the locking plate to keep moving towards the direction of the locking part under the action of the elastic force of the spring through the arrangement of the fixed rod and the spring, so that the locking plate drives the clamping block to be clamped into the clamping groove, thereby realizing the locking between the first hood and the second hood; wherein, the dead lever guarantees the stability of jam plate motion in the installation cavity.

Preferably, a sliding groove perpendicular to the locking plate is formed in the side wall of the first hood, and a rack with one end connected to the middle of the locking plate and capable of moving along the sliding groove is arranged on the side wall of the locking plate; a rotating cavity which is positioned in the mounting cavity and communicated with the sliding chute is also arranged on the side wall in the first hood, and a gear which is meshed with the rack is coaxially and rotatably arranged in the rotating cavity; the first hood and the second hood can be unlocked under the meshing action of the gear and the rack.

The utility model discloses in, through spout, rack, rotation chamber, gear's setting for gear rotation drives the rack and slides in the spout, thereby makes the rack drive jam plate hasp portion direction motion dorsad, so makes the fixture block break away from the draw-in groove, thereby realizes the unblock between first aircraft bonnet and the second aircraft bonnet.

Preferably, the first housing outer side wall is coaxially and rotatably provided with a rotating part of which the outer side wall is flush with the first housing outer side wall, and the rotating part is rotatably connected with the gear through a connecting shaft.

The utility model discloses in, through the setting of rotation portion for rotation portion running gear rotates in step, realizes the unblock between first aircraft bonnet and the second aircraft bonnet promptly.

Preferably, handles are arranged on the outer side walls of the closed positions of the first hood and the second hood.

The utility model discloses in, through the setting of handle, make things convenient for the workman to open or close first aircraft bonnet and second aircraft bonnet.

Preferably, the end face of the first hood in closed contact with the second hood is provided with a first bump and a second bump in a staggered manner, and the upper end face of the inner wall of the first bump can be attached to the lower end face of the inner wall of the second bump.

The utility model discloses in, through the setting of first lug, second lug for first aircraft bonnet is sealed under with second aircraft bonnet shutting state, prevents on rainwater infiltration to the engine.

Preferably, the fixture block is provided with a wedge surface, and the side wall of the second mounting block is provided with a fillet surface matched with the wedge surface.

The utility model discloses in, through the setting of wedge face, fillet face, realize in the fixture block card income draw-in groove better.

Drawings

Fig. 1 is an external schematic view of a hood casing in embodiment 1;

fig. 2 is an internal schematic view of the hood casing in embodiment 1;

FIG. 3 is a schematic structural view of the annular mount in embodiment 1;

fig. 4 is a schematic view of the internal structure of the first hood in embodiment 1;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a schematic structural view of a first hood in embodiment 1;

fig. 7 is a schematic structural view of a second hood in embodiment 1;

FIG. 8 is a schematic structural view of a lock plate in embodiment 1;

fig. 9 is a schematic structural view of a rotating portion and a gear in embodiment 1.

The names of the parts indicated by the numerical references in the drawings are as follows:

110. a first hood; 120. a second hood; 130. an annular mounting seat; 140. a rotating part; 150. a handle; 210. a first mounting block; 220. a second mounting block; 230. a first bump; 240. a second bump; 310. a first hinge post; 320. a second hinge post; 510. a mounting cavity; 520. a locking plate; 521. a clamping block; 530. fixing the rod; 531. a spring; 540. a chute; 550. a rack; 560. a rotation chamber; 570. a gear; 710. a card slot; 810. a wedge-shaped surface; 910. and (7) connecting the shafts.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1 to 3, the present embodiment provides an excavator hood including a hood housing provided on an excavator, the hood housing having a first hood 110 and a second hood 120, the first hood 110 and the second hood 120 having the same structure and being openable and closable between the first hood 110 and the second hood 120; the aircraft bonnet casing is still including setting up in the annular mount pad 130 of first aircraft bonnet 110 with second aircraft bonnet 120 below, be equipped with the first articulated column 310 and the articulated column 320 of second of relative setting on the annular mount pad 130, first aircraft bonnet 110 articulates on first articulated column 310, second aircraft bonnet 120 articulates on the articulated column 320 of second, be equipped with the latch mechanism on the inside lateral wall of first aircraft bonnet 110 with the closed department of second aircraft bonnet 120, the latch mechanism is including setting up the locking part on first aircraft bonnet 110 and setting up the hasp portion on second aircraft bonnet 120.

Through the structure in the embodiment, the first hood 110 is hinged on the first hinge column 310, and the second hood 120 is hinged on the second hinge column 320, so that the first hood 110 and the second hood 120 can rotate on the annular mounting seat 130, the engine of the excavator is arranged in the annular mounting seat 130, and the annular mounting seat 130 is fixed on the excavator, so that when a worker maintains the engine of the excavator, the first hood 110 and the second hood 120 can be opened in a vertical hinged door manner by unlocking the locking body part on the first hood 110 and the locking part on the second hood 120, and the excavator is convenient to maintain by the worker; compare in prior art engine bonnet and need upwards lift engine bonnet hard by the manual work when opening, this embodiment not only can make the workman laborsaving of preferred when opening the engine bonnet casing, safety when also can guaranteeing workman's maintenance excavator, the convenience of preferred.

Referring to fig. 5 to 7, in the present embodiment, the lock body portion includes a first mounting block 210 fixed on the inner side wall of the first housing 110, a mounting cavity 510 is disposed in the first mounting block 210, a locking plate 520 capable of moving toward or away from the locking portion is disposed in the mounting cavity 510, a locking block 521 disposed at an interval up and down along the surface of the locking plate 520 is disposed on the locking plate 520, the locking portion includes a second mounting block 220 fixed on the inner side wall of the second housing 120 and disposed corresponding to the first mounting block 210, and a clamping groove 710 for clamping the locking block 521 is disposed on the side surface of the second mounting block 220 facing the first mounting block 210; the first housing 110 and the second housing 120 can be locked by the locking blocks 521 being locked into the locking grooves 710.

Through the arrangement of the locking plate 520, the fixture block 521 and the clamping groove 710 in the embodiment, when the locking plate 520 moves towards the direction of the locking part in the mounting cavity 510, the locking plate 520 drives the fixture block 521 to be clamped into the clamping groove 710, so that the first hood 110 and the second hood 120 are locked.

In this embodiment, fixing rods 530 penetrating through the locking plate 520 are respectively disposed in the mounting cavity 510 and at two ends of the locking plate 520, and a spring 531 sleeved on the fixing rods 530 is disposed between the locking plate 520 and the side wall of the mounting cavity 510; the lock plate 520 can maintain a tendency to move toward the locking portions by the spring 531.

Through the arrangement of the fixing rod 530 and the spring 531 in the embodiment, the locking plate 520 pushes the locking plate 520 to keep moving towards the direction of the locking part under the action of the elastic force of the spring 531, so that the locking plate 520 drives the fixture block 521 to be clamped into the clamping groove 710, and the locking between the first hood 110 and the second hood 120 is realized; wherein, the fixing rod 530 ensures the stability of the movement of the locking plate 520 in the installation cavity 510.

In this embodiment, a sliding groove 540 perpendicular to the locking plate 520 is formed in the sidewall of the first housing 110, and a rack 550, one end of which is connected to the middle of the locking plate 520 and can move along the sliding groove 540, is formed on the sidewall of the locking plate 520; a rotating cavity 560 which is positioned in the mounting cavity 510 and communicated with the sliding groove 540 is further arranged on the inner side wall of the first hood 110, and a gear 570 which is meshed with the rack 550 is coaxially and rotatably arranged in the rotating cavity 560; the first and

second housings

110 and 120 can be unlocked by engagement of the gear 570 and the rack 550.

Through the arrangement of the sliding groove 540, the rack 550, the rotating cavity 560 and the gear 570 in the embodiment, the gear 570 rotates to drive the rack 550 to slide in the sliding groove 540, so that the rack 550 drives the locking plate 520 to move back to the direction of the locking part, and the clamping block 521 is separated from the clamping groove 710, thereby unlocking between the first hood 110 and the second hood 120.

Referring to fig. 8-9, in the present embodiment, the rotating portion 140 having an outer wall flush with the outer wall of the first housing 110 is coaxially and rotatably disposed on the outer wall of the first housing 110, and the rotating portion 140 is rotatably connected to the gear 570 through a connecting shaft 910.

By the arrangement of the rotating portion 140 in the present embodiment, the rotating gear 570 of the rotating portion 140 rotates synchronously, that is, the unlocking between the first hood 110 and the second hood 120 is realized.

In this embodiment, the handles 150 are disposed on the outer sidewalls of the closed portions of the first and

second housings

110 and 120.

Through the arrangement of the handle 150 in this embodiment, it is convenient for a worker to open or close the first and

second hoods

110 and 120.

In this embodiment, the first protrusion 230 and the second protrusion 240 are disposed on the end surfaces of the first cover 110 and the second cover 120 in a staggered manner, and the upper end surface of the inner wall of the first protrusion 230 can be attached to the lower end surface of the inner wall of the second protrusion 240.

Through the arrangement of the first bump 230 and the second bump 240 in the present embodiment, the first hood 110 and the second hood 120 are sealed in a locked state, and rainwater is prevented from penetrating into the engine.

In this embodiment, the wedge surface 810 is disposed on the latch 521, and the circular corner surface matched with the wedge surface 810 is disposed on the sidewall of the second mounting block 220.

Through the arrangement of the wedge surface 810 and the round corner surface in this embodiment, the latch 521 is preferably locked in the slot 710.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. An excavator hood, characterized in that: the excavator hood comprises a hood shell arranged on an excavator, wherein the hood shell is provided with a first hood (110) and a second hood (120), the first hood (110) and the second hood (120) have the same structure, and the first hood (110) and the second hood (120) can be opened and closed; the aircraft bonnet casing is still including setting up in annular mount pad (130) of first aircraft bonnet (110) and second aircraft bonnet (120) below, be equipped with relative first articulated post (310) and the articulated post (320) of second that set up on annular mount pad (130), first aircraft bonnet (110) articulates on first articulated post (310), second aircraft bonnet (120) articulate on the articulated post (320) of second, be equipped with the latch mechanism on the inside lateral wall of first aircraft bonnet (110) and second aircraft bonnet (120) closed department, the latch mechanism is including setting up the lock solid portion on first aircraft bonnet (110) and setting up the hasp portion on second aircraft bonnet (120).

2. The excavator cover of claim 1, wherein: the lock body part comprises a first mounting block (210) fixed on the inner side wall of the first hood (110), a mounting cavity (510) is arranged in the first mounting block (210), a locking plate (520) capable of moving towards or away from the direction of a locking part is arranged in the mounting cavity (510), clamping blocks (521) distributed at intervals up and down along the surface of the locking plate (520) are arranged on the locking plate (520), the locking part comprises a second mounting block (220) fixed on the inner side wall of the second hood (120) and arranged corresponding to the first mounting block (210), and a clamping groove (710) for clamping the clamping blocks (521) is formed in the side surface, facing the first mounting block (210), of the second mounting block (220); the first hood (110) and the second hood (120) can be locked under the action that the clamping block (521) is clamped into the clamping groove (710).

3. The excavator cover of claim 2, wherein: fixing rods (530) penetrating through the locking plate (520) are respectively arranged in the mounting cavity (510) and at two ends of the locking plate (520), and springs (531) sleeved on the fixing rods (530) are arranged between the locking plate (520) and the side wall of the mounting cavity (510); the lock plate (520) can keep the trend of moving towards the direction of the locking part under the action of the spring (531).

4. The excavator cover of claim 2, wherein: a sliding groove (540) perpendicular to the locking plate (520) is formed in the side wall of the interior of the first hood (110), and a rack (550) with one end connected to the middle of the locking plate (520) and capable of moving along the sliding groove (540) is arranged on the side wall of the locking plate (520); a rotating cavity (560) which is positioned in the mounting cavity (510) and communicated with the sliding groove (540) is further formed in the side wall of the inner part of the first hood (110), and a gear (570) meshed with the rack (550) is coaxially and rotatably arranged in the rotating cavity (560); the first hood (110) and the second hood (120) can be unlocked under the meshing action of the gear (570) and the rack (550).

5. The excavator cover of claim 4, wherein: the outer side wall of the first hood (110) is coaxially and rotatably provided with a rotating part (140) with the outer side wall being flush with the outer side wall of the first hood (110), and the rotating part (140) is rotatably connected with the gear (570) through a connecting shaft (910).

6. The excavator cover of claim 1, wherein: handles (150) are arranged on the outer side walls of the closed positions of the first hood (110) and the second hood (120).

7. The excavator cover of claim 1, wherein: the end faces of the first hood (110) and the second hood (120) which are in closed contact are provided with a first lug (230) and a second lug (240) in a staggered mode, and the upper end face of the inner wall of the first lug (230) can be attached to the lower end face of the inner wall of the second lug (240).

8. The excavator cover of claim 2, wherein: the clamping block (521) is provided with a wedge surface (810), and the side wall of the second mounting block (220) is provided with a fillet surface matched with the wedge surface (810).