CN209761418U - Mining excavation equipment frame body and connecting device thereof - Google Patents
Mining excavation equipment frame body and connecting device thereof Download PDFInfo
- Publication number
- CN209761418U CN209761418U CN201920487207.4U CN201920487207U CN209761418U CN 209761418 U CN209761418 U CN 209761418U CN 201920487207 U CN201920487207 U CN 201920487207U CN 209761418 U CN209761418 U CN 209761418U
- Authority
- CN
- China
- Prior art keywords
- frame body
- support
- reinforcing
- pin shaft
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a mining excavation equipment support body and connecting device thereof, connecting device are used for the back support body, eyelidretractor, a pair of back support cylinder, the body frame body coupling together of excavation equipment, include: the first connecting structure is provided with a front and rear support connecting pin shaft which penetrates through the upper part of the main support body, the upper part of the rear support body and the rear support oil cylinder body; the second connecting structure is provided with a support connecting pin shaft which penetrates through the lower part of the main frame body, the lower part of the rear frame body and the support; the third connecting structure is provided with a rear supporting oil cylinder connecting pin shaft which penetrates through the support and the rear supporting oil cylinder; the support connecting pin shaft is parallel to the front and rear frame connecting pin shaft and is positioned right below the front and rear frame connecting pin shaft, and the axis of the rear support oil cylinder connecting pin shaft is parallel to the axis of the front and rear frame connecting pin shaft. The utility model discloses a connecting device simplifies the structure of body frame body, back support body to optimize the space.
Description
Technical Field
the utility model relates to a mining excavation equipment technical field especially relates to a mining excavation equipment support body and with its body frame body, back support body, eyelidretractor, the connecting device that back support cylinder links together.
background
At present, in the design and application of mining excavation equipment, the main frame body and the rear frame body are connected by adopting a structure shown in fig. 1, namely flanges 50 are respectively machined or assembled outside two outer side surfaces (namely a pair of second connecting lug plates 52) of the main frame body 5, the dimensional accuracy of the two flanges 50 is controlled, flanges 10 with the same size are machined on the inner side surface of the rear frame body 1, the dimensional accuracy of the two flanges 10 is strictly controlled, the flanges 50 on the two outer side surfaces of the main frame body 5 are matched with the flanges 10 on the two inner side surfaces of the rear frame body 1 during assembly, and then the main frame body 5 and the rear frame body 1 are fastened by using bolts to realize the connection of the main frame; the main frame 5 and the rear support cylinder 3 are connected by two pairs of pin-hole lugs (i.e. the first connecting lugs 51 in fig. 1, only one pair of first connecting lugs 51 is shown). The main frame body 5 is connected with the support 4 and also needs to adopt the otic placode of taking the pinhole (only show the support connection otic placode that sets up in 4 one ends of support in fig. 1), need utilize great space to arrange flange face and two pinholes like this in the design, and the machining precision requirement of two flange faces is strict, the processing technology nature is not good, and when the theoretical dimension at a distance from of two outside flanges of the main frame body is big more, it is poor more that its processing realizes accurate complex technology nature, greatly reduced the installation accuracy of product.
disclosure of Invention
The utility model aims at providing a mining excavation equipment support body and connecting device thereof can simplify the structure of body frame body, back support body to optimize the space.
in order to realize the above object of the utility model, the embodiment of the utility model provides an aspect provides a connecting device of mining excavation equipment support body for back support body, eyelidretractor, a pair of back support cylinder, the body frame body coupling with excavation equipment is in the same place, include: the first connecting structure is provided with a front and rear support connecting pin shaft which penetrates through the upper part of the main support body, the upper part of the rear support body and the rear support oil cylinder body; the second connecting structure is provided with a support connecting pin shaft which penetrates through the lower part of the main frame body, the lower part of the rear frame body and the support; the third connecting structure is provided with a rear supporting oil cylinder connecting pin shaft which penetrates through the support and the rear supporting oil cylinder; the support connecting pin shaft is parallel to the front and rear frame connecting pin shaft and is positioned right below the front and rear frame connecting pin shaft, and the axis of the rear support oil cylinder connecting pin shaft is parallel to the axis of the front and rear frame connecting pin shaft.
The main frame body is provided with two pairs of first connecting lug plates with upper through holes and lower through holes, and a cylinder body of a rear support oil cylinder is arranged between the first connecting lug plates; a pair of second connecting lug plates with upper through holes and lower through holes are arranged on the main frame body and positioned on the outer sides of the two pairs of first connecting lug plates; the support is provided with a pair of support connecting lug plates with pin holes.
wherein the first connection structure includes: a pair of first reinforcing ear plates which are arranged on the main frame body and are respectively positioned at the outer sides of the pair of second connecting ear plates, and upper through holes are arranged at the upper parts of the first reinforcing ear plates; a pair of second reinforcing lug plates which are arranged on the main frame body and are respectively positioned at the outer sides of the pair of first reinforcing lug plates, and upper through holes are arranged at the upper parts of the second reinforcing lug plates; a pair of third reinforcing ear plates arranged on the rear frame body, wherein the upper parts of the third reinforcing ear plates are provided with upper through holes; and the front and rear frame connecting pin shaft penetrates through an upper through hole on the upper parts of the second reinforcing lug plate, the third reinforcing lug plate, the first reinforcing lug plate, the second connecting lug plate and the first connecting lug plate, and the main frame body is rotatably connected with the upper part of the rear frame body, the main frame body and the cylinder body of the rear support oil cylinder respectively.
Wherein the second connecting structure comprises: the lower through holes are respectively arranged at the lower part of the second reinforcing lug plate, the lower part of the third reinforcing lug plate, the lower part of the first reinforcing lug plate and the lower part of the second connecting lug plate; the lower through holes at the lower parts of the second reinforcing lug plate, the third reinforcing lug plate, the first reinforcing lug plate and the second connecting lug plate and the pin holes on the supporting device connecting lug plate are penetrated by the supporting device connecting pin shaft, and the main frame body is rotationally connected with the lower part of the rear frame body and the main frame body is rotationally connected with the supporting device respectively.
Wherein the third connecting structure comprises: the two pairs of oil cylinder connecting lug plates are arranged on the support and provided with pin holes, and a piston rod for supporting an oil cylinder is arranged between the pair of oil cylinder connecting lug plates; the rear support oil cylinder connecting pin shaft penetrates through the piston rods of the pair of rear support oil cylinders and the two pairs of oil cylinder connecting lug plates, and the piston rods of the pair of rear support oil cylinders and the two pairs of oil cylinder connecting lug plates are respectively and rotatably connected together.
Wherein the first reinforcing lug plate, the second reinforcing lug plate and the third reinforcing lug plate are parallel to each other.
Wherein a spacing between the first and second reinforcing ear plates is greater than or equal to a thickness of the third reinforcing ear plate.
And through holes for the front and rear frame connecting pin shaft and the support connecting pin shaft to pass through are respectively formed in the upper part and the lower part of the third reinforcing ear plate.
On the other hand, the utility model provides a mining excavation equipment's support body still, including back support body, eyelidretractor, a pair of back support cylinder, the body frame body, in addition, still including be used for with back support body, eyelidretractor, a pair of back support cylinder, body frame body coupling together as above connecting device.
Compared with the prior art, the utility model discloses mining excavation equipment support body and connecting device thereof of embodiment have following advantage:
the embodiment of the utility model provides a connecting device of mining excavation equipment support body, just can be with body frame body and back support body through reinforcing otic placode and the fore-and-aft frame connecting pin axle that adds and supporter connecting pin axle etc. body frame body and back support body, body frame body and supporter, body frame body and back support cylinder interconnect are in the same place, cancelled prior art need at the body frame body, set up the flange on the back support body respectively, and install location cylinder round pin and the structure that is used for the screw hole of fastening on the flange face, connection structure between the frame around greatly simplifying, equipment maintenance dismantles the facility, joint strength has also been improved simultaneously, the processing technology nature of the body frame body has been ensured, structure space has been optimized, the reliability of connection has been ensured.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is an exploded view of a prior art mining equipment frame;
Fig. 2 is an exploded view of the mining equipment frame of the present invention;
Fig. 3 is a first perspective view of the mining excavation equipment frame of the present invention;
Fig. 4 is a second perspective view of the mining excavation equipment frame of the present invention;
Fig. 5 is the cross-sectional view of the utility model discloses mining excavation equipment support body connecting pin axle arrangement.
Detailed Description
as shown in fig. 2-4, do respectively the utility model provides a structural schematic diagram of mining excavation equipment support body, can know from the picture that the mining excavation equipment support body that this embodiment provided includes back support body 1, eyelidretractor 4, a pair of back support cylinder 3, body frame 5, in addition, still including being used for the connecting device that links together back support body 1, eyelidretractor 4, a pair of back support cylinder 3, body frame 5.
As shown in the drawings, the connecting device of the present embodiment includes: the first connecting structure is provided with a front and rear support connecting pin shaft which penetrates through the upper part of the main support body, the upper part of the rear support body and the rear support oil cylinder body; the second connecting structure is provided with a support connecting pin shaft which penetrates through the lower part of the main frame body, the lower part of the rear frame body and the support; the third connecting structure is provided with a rear support oil cylinder connecting pin shaft which penetrates through the support and the rear support oil cylinder; the support connecting pin shaft is parallel to and located under the front and rear frame connecting pin shaft, and the axis of the rear support oil cylinder connecting pin shaft is parallel to the axis of the front and rear frame connecting pin shaft.
The main frame body is provided with two pairs of first connecting lug plates with upper through holes and lower through holes, and a cylinder body of a rear support oil cylinder is arranged between the first connecting lug plates; a pair of second connecting lug plates with upper through holes and lower through holes are arranged on the main frame body and positioned on the outer sides of the two pairs of first connecting lug plates; the support is provided with a pair of support connecting lug plates with pin holes.
the first connecting structure includes: a pair of first reinforcing ear plates which are arranged on the main frame body and are respectively positioned at the outer sides of the pair of second connecting ear plates, and the upper parts of the first reinforcing ear plates are provided with upper through holes; a pair of second reinforcing ear plates which are arranged on the main frame body and are respectively positioned at the outer sides of the pair of first reinforcing ear plates, and upper through holes are arranged at the upper parts of the second reinforcing ear plates; a pair of third reinforcing ear plates arranged on the rear frame body, wherein the upper parts of the third reinforcing ear plates are provided with upper through holes; the front and rear frame connecting pin shaft penetrates through the upper through holes in the upper portions of the second reinforcing lug plate, the third reinforcing lug plate, the first reinforcing lug plate, the second connecting lug plate and the first connecting lug plate, and the main frame body is rotatably connected with the upper portion of the rear frame body, the main frame body and the cylinder body of the rear support oil cylinder respectively. The second connecting structure includes: the lower through holes are respectively arranged at the lower part of the second reinforcing lug plate, the lower part of the third reinforcing lug plate, the lower part of the first reinforcing lug plate and the lower part of the second connecting lug plate; the lower through holes at the lower parts of the second reinforcing lug plate, the third reinforcing lug plate, the first reinforcing lug plate and the second connecting lug plate and the pin holes on the supporting device connecting lug plate are penetrated by the supporting device connecting pin shaft, and the main frame body is respectively and rotatably connected with the lower part of the rear frame body and the main frame body and the supporting device. The third connecting structure includes: two pairs of oil cylinder connecting lug plates with pin holes are arranged on the support, and a piston rod for supporting the oil cylinder is arranged between the oil cylinder connecting lug plates; and the rear support oil cylinder connecting pin shaft penetrates through the piston rods of the pair of rear support oil cylinders and the two pairs of oil cylinder connecting lug plates, and the piston rods of the pair of rear support oil cylinders and the two pairs of oil cylinder connecting lug plates are respectively and rotatably connected together.
specifically, in the connecting device of the present embodiment, in addition to the two pairs of first connecting lug plates 51 and the pair of second connecting lug plates 52 located outside the two pairs of first connecting lug plates 51, a pair of first reinforcing lug plates 53 and a pair of second reinforcing lug plates 54 are additionally provided in the main frame 5 in parallel with each other, and the first and second reinforcing lug plates extend in the longitudinal direction of the main frame. The pair of first reinforcing lug plates 53 are located outside the pair of second connecting lug plates 52, respectively, and the pair of second reinforcing lug plates 54 are located outside the pair of first reinforcing lug plates 53, respectively. Further, a pair of third reinforcing lugs 11 is provided on the rear frame body 1.
in this embodiment, the second reinforcing lug plate 54, the third reinforcing lug plate 11, the first reinforcing lug plate 53, the second connecting lug plate 52 and the upper portion of the first connecting lug plate 51 are respectively connected together by the front and rear frame connecting pin 6 extending in the width direction of the main frame body 5, so that the main frame body 5 and the upper portion of the rear frame body 1, the main frame body 5 and the cylinder body of the rear support cylinder 3 can be respectively and rotatably connected together by the front and rear frame connecting pin 6 installed once. Correspondingly, the upper parts of the second reinforcing lug plate 54, the third reinforcing lug plate 11, the first reinforcing lug plate 53, the second connecting lug plate 52 and the first connecting lug plate 51 are respectively provided with upper through holes which are used for allowing the front and rear frame connecting pin shafts 6 to pass through and correspond to the positions, and the sizes of the upper through holes are matched with the sizes of pin holes formed in the main frame body 5, the rear frame body 1 and the cylinder body of the rear support oil cylinder 3.
In addition, in the present embodiment, the lower portions of the second reinforcing lug plate 54, the third reinforcing lug plate 11, the first reinforcing lug plate 53 and the second connecting lug plate 52 are connected to the strut connecting lug plate 41 by the strut connecting pin 7, so that the main frame body 5 and the lower portion of the rear frame body 1, and the main frame body 5 and the strut connecting lug plate 41 on the strut 4 can be respectively and rotatably connected together by assembling the strut connecting pin 7 at one time. Correspondingly, lower through holes corresponding to the positions for the support connecting pin shaft 7 to pass through are respectively formed in the lower parts of the second reinforcing lug plate 54, the third reinforcing lug plate 11, the first reinforcing lug plate 53 and the second connecting lug plate 52, and the sizes of the lower through holes are matched with the sizes of pin holes formed in the main frame body 5, the rear frame body 1 and the support connecting lug plate 41. And the position of the lower through hole opened on each part is positioned right above the upper through hole, so that after the support connecting pin 7 and the front and rear frame connecting pin 6 are assembled, the support connecting pin 7 is parallel to the front and rear frame connecting pin 6 and is positioned right below the front and rear frame connecting pin 6.
Correspondingly, the upper and lower parts of the pair of third reinforcing ear plates 11 of the rear frame body 1 are provided with third reinforcing ear plate upper through holes 11 and third reinforcing ear plate lower through holes 12 corresponding to the upper and lower through holes, respectively, and the third reinforcing ear plate upper through holes 11 are located right above the third reinforcing ear plate lower through holes 12. Since the third reinforcing ear plate 11 of the rear frame body 1 is interposed between the first reinforcing ear plate and the second reinforcing ear plate of the main frame body 5 during assembly, the thickness of the third reinforcing ear plate 11 (in the width direction of the main frame body) should be less than or equal to the distance between the first reinforcing ear plate and the second reinforcing ear plate during design.
Further, the connecting device of the present embodiment further includes a structure for connecting the supporter 4 with the rear support cylinder 3, having: two pairs of oil cylinder connecting lug plates 40 arranged on the support 4 and positioned at one end of the support, and a piston rod for arranging a rear support oil cylinder 3 is arranged between the pair of oil cylinder connecting lug plates 40; and the rear support oil cylinder connecting pin shaft 2 is used for respectively and rotatably connecting the piston rods of the pair of rear support oil cylinders 3 with the two pairs of oil cylinder connecting lug plates. The axis direction of the connecting pin shaft 2 of the rear supporting oil cylinder is parallel to the axis of the connecting pin shaft 6 of the front and rear frames and the connecting pin shaft 7 of the supporting device. And a supporter engaging lug 41 for coupling the supporter 4 with the main frame body 5 is provided at the other end of the supporter 4.
During assembly, as shown in fig. 5, the upper portion and the lower portion of the first connecting ear plate, the second connecting ear plate, the first reinforcing ear plate and the second reinforcing ear plate on the main frame body 5 and the upper portion and the lower portion of the third reinforcing ear plate on the rear frame body 1 are respectively provided with an upper through hole and a lower through hole, the front frame connecting pin shaft 6 and the rear frame connecting pin shaft 6 are matched with the upper through holes, and the support connecting pin shaft 7 is matched with the lower through holes. The rear frame body 1 is connected with the main frame body 5 through a front frame connecting pin shaft 6, a rear frame connecting pin shaft 6 and a support device connecting pin shaft 7, and the matching shaft section is shown as C in the attached drawing 3. The support 4 is connected with the main frame body 5 through a support connecting pin shaft 7, and the matching shaft section is shown as E in the attached drawing 3. The cylinder body one end of the rear supporting oil cylinder 3 is matched with the main frame body 5 through the front and rear frame connecting pin shaft 6, the matching shaft section is shown as D in figure 5, one end of the piston rod of the rear supporting oil cylinder 3 is matched with the supporting device 4 through the rear supporting oil cylinder connecting pin shaft 2, and the supporting device 4 rotates around the supporting device connecting pin shaft 7 through the stretching of the rear supporting oil cylinder 3 so as to realize the falling and the folding purposes of the supporting device 4. The bottom of the support 4 can contact the ground when falling, the equipment can be supported off the ground when the equipment needs to be stopped for maintenance, and the support 4 is retracted so that the support cannot contact with ground obstacles when the equipment travels, and therefore ground resistance cannot be formed.
It should be noted that, during assembly, the number of the front and rear frame connecting pins 6 and the number of the support connecting pins 7 in this embodiment may be determined according to actual conditions, that is, each of the connecting pins may be a pair or may be a single connecting pin. When a pair of pins is adopted, all the first connecting lug plate, the second connecting lug plate, the first reinforcing lug plate, the second reinforcing lug plate and the third reinforcing lug plate can be divided into two groups along the width direction of the main frame body, and each group adopts a front frame connecting pin shaft 6 and a rear frame connecting pin shaft 7 and a support device connecting pin shaft 7. When the two reinforcing ear plates are respectively adopted, the first and second connecting ear plates, the first and second reinforcing ear plates and the third reinforcing ear plates respectively penetrate through a front and rear frame connecting pin 6 and a support connecting pin 7.
The connecting device of this embodiment, it is first through addding on the body frame body, the otic placode is strengthened to the second, add the third on the back support body and strengthen the otic placode, and through the front and back frame connecting pin axle, supporter connecting pin axle and back support hydro-cylinder connecting pin just can be with the body frame body with the back support body, the body frame body and supporter, the body frame body is in the same place with back support hydro-cylinder interconnect, the prior art need be at the body frame body cancelled, set up the flange on the back support body respectively, and install the structure of location cylinder round pin and the screw hole that is used for the fastening on the flange face, greatly simplify the connection structure between the front and back frame (be main frame and back support body), and link together the body frame body and back support body owing to need not adopt a plurality of bolts, make equipment maintenance dismantle simply. The first and second reinforcing ear plates which are additionally arranged increase the width of the main frame body, improve the connection strength between the main frame body and the rear frame body, avoid the problem of poor processing manufacturability caused by flange connection in the prior art, ensure the connection reliability of the main frame body and the rear frame body, save the design space and optimize the design structure.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.
Claims (8)
1. The utility model provides a connecting device of mining excavation equipment support body for support body, eyelidretractor, a pair of back support cylinder, the body frame body coupling together of excavation equipment, its characterized in that includes:
The first connecting structure is provided with a front and rear support connecting pin shaft which penetrates through the upper part of the main support body, the upper part of the rear support body and the rear support oil cylinder body;
The second connecting structure is provided with a support connecting pin shaft which penetrates through the lower part of the main frame body, the lower part of the rear frame body and the support;
the third connecting structure is provided with a rear supporting oil cylinder connecting pin shaft which penetrates through the support and the rear supporting oil cylinder;
The support connecting pin shaft is parallel to the front and rear frame connecting pin shaft and is positioned right below the front and rear frame connecting pin shaft, and the axis of the rear support oil cylinder connecting pin shaft is parallel to the axis of the front and rear frame connecting pin shaft.
2. The connection device of claim 1, wherein:
The main frame body is provided with two pairs of first connecting lug plates with upper through holes and lower through holes, and a cylinder body of a rear supporting oil cylinder is arranged between the first connecting lug plates;
A pair of second connecting lug plates with upper through holes and lower through holes are arranged on the main frame body and positioned on the outer sides of the two pairs of first connecting lug plates;
the support is provided with a pair of support connecting lug plates with pin holes.
3. the connection device of claim 2, wherein the first connection structure comprises:
A pair of first reinforcing ear plates which are arranged on the main frame body and are respectively positioned at the outer sides of the pair of second connecting ear plates, and upper through holes are arranged at the upper parts of the first reinforcing ear plates;
A pair of second reinforcing lug plates which are arranged on the main frame body and are respectively positioned at the outer sides of the pair of first reinforcing lug plates, and upper through holes are arranged at the upper parts of the second reinforcing lug plates;
a pair of third reinforcing ear plates arranged on the rear frame body, wherein the upper parts of the third reinforcing ear plates are provided with upper through holes;
And the front and rear frame connecting pin shaft penetrates through an upper through hole on the upper parts of the second reinforcing lug plate, the third reinforcing lug plate, the first reinforcing lug plate, the second connecting lug plate and the first connecting lug plate, and the main frame body is rotatably connected with the upper part of the rear frame body, the main frame body and the cylinder body of the rear support oil cylinder respectively.
4. The connection device of claim 3, wherein the second connection structure comprises:
The lower through holes are respectively arranged at the lower part of the second reinforcing lug plate, the lower part of the third reinforcing lug plate, the lower part of the first reinforcing lug plate and the lower part of the second connecting lug plate;
The lower through holes at the lower parts of the second reinforcing lug plate, the third reinforcing lug plate, the first reinforcing lug plate and the second connecting lug plate and the pin holes on the supporting device connecting lug plate are penetrated by the supporting device connecting pin shaft, and the main frame body is rotationally connected with the lower part of the rear frame body and the main frame body is rotationally connected with the supporting device respectively.
5. the connection device of claim 4, wherein the third connection structure comprises:
The two pairs of oil cylinder connecting lug plates are arranged on the support and provided with pin holes, and a piston rod for supporting an oil cylinder is arranged between the pair of oil cylinder connecting lug plates;
the rear support oil cylinder connecting pin shaft penetrates through the piston rods of the pair of rear support oil cylinders and the two pairs of oil cylinder connecting lug plates, and the piston rods of the pair of rear support oil cylinders and the two pairs of oil cylinder connecting lug plates are respectively and rotatably connected together.
6. the connecting device of claim 5 wherein the first, second and third reinforcing ear plates are parallel to each other.
7. the connection device of claim 6, wherein a spacing between the first and second reinforcing ear plates is greater than or equal to a thickness of the third reinforcing ear plate.
8. A frame body of mining excavating equipment, which comprises a rear frame body, a supporter, a pair of rear supporting oil cylinders and a main frame body, and is characterized by further comprising a connecting device according to any one of claims 1 to 7 for connecting the rear frame body, the supporter, the pair of rear supporting oil cylinders and the main frame body together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487207.4U CN209761418U (en) | 2019-04-11 | 2019-04-11 | Mining excavation equipment frame body and connecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487207.4U CN209761418U (en) | 2019-04-11 | 2019-04-11 | Mining excavation equipment frame body and connecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761418U true CN209761418U (en) | 2019-12-10 |
Family
ID=68758803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920487207.4U Active CN209761418U (en) | 2019-04-11 | 2019-04-11 | Mining excavation equipment frame body and connecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761418U (en) |
-
2019
- 2019-04-11 CN CN201920487207.4U patent/CN209761418U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209761418U (en) | Mining excavation equipment frame body and connecting device thereof | |
| CN103132548A (en) | Implement with cantilever arm and basic unit and/or cantilever arm for work equipment | |
| GB2045341A (en) | Hinge joint | |
| US20150084309A1 (en) | Work vehicle chassis articulation joint | |
| CN201358141Y (en) | Slide block device and crane with same | |
| CN102996140B (en) | Development machine and body frame thereof | |
| US3433502A (en) | Articulated vehicle | |
| US4086974A (en) | Chassis for vehicle | |
| US20160061230A1 (en) | Hydraulic swivel assembly | |
| US3039213A (en) | Gimbal mounted hydraulic cylinder | |
| CN108869089B (en) | Frameless tractor engine support | |
| CN107339507A (en) | Cable hanger | |
| CN210704398U (en) | Roller assembly auxiliary fixtures | |
| CN205714461U (en) | A kind of engine main bearing cover | |
| CN208731212U (en) | A kind of damping wheel mechanism | |
| CN209140420U (en) | A kind of connecting plate milling machine hydraulically operated fixture | |
| CN112591137A (en) | Horizontal tail large shaft test device for airplane | |
| CN202718155U (en) | Oil cylinder connection device | |
| CN111022302A (en) | Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box | |
| CN210946939U (en) | Rear frame and land leveler thereof | |
| CN220168294U (en) | Horizontal riveting type frame flange plate | |
| CN206031353U (en) | Split type mounting structure of rear axle stopper | |
| CN209212775U (en) | A kind of metal casting great wheel piece | |
| CN220334609U (en) | Folding arm device and lower folding arm thereof | |
| CN207173219U (en) | Balance shaft support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |