CN110775892B - Fork truck arm strutting arrangement and fork truck - Google Patents
Fork truck arm strutting arrangement and fork truck Download PDFInfo
- Publication number
- CN110775892B CN110775892B CN201911068171.7A CN201911068171A CN110775892B CN 110775892 B CN110775892 B CN 110775892B CN 201911068171 A CN201911068171 A CN 201911068171A CN 110775892 B CN110775892 B CN 110775892B
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- roller
- forklift
- fork truck
- arm
- telescopic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
Abstract
The utility model belongs to the technical field of the engineering vehicle technique and specifically relates to a fork truck arm strutting arrangement and fork truck is related to, fork truck arm strutting arrangement includes telescopic machanism, telescopic machanism includes the fixed part and connects in the extension of fixed part, and the position of keeping away from the fixed part of extension is provided with butt portion, and under the state that the fork truck arm bore load heavy object, telescopic machanism's extension stretches out for butt portion butt in load heavy object or butt in the bottom of fork utensil. The application provides a fork truck arm strutting arrangement can improve the convenience of transporting the packing box, and at packing box transportation in-process, telescopic machanism effectively supports butt joint portion for when the fork truck arm stretches out to maximum length, still can bear great load, the fork plays heavy goods.
Description
Technical Field
The application relates to the technical field of engineering vehicles, in particular to a forklift arm supporting device and a forklift.
Background
At present, in the freight transportation process, advance the case operation and mainly adopt the case fork truck that advances of light-tonnage, adopt the trailer to drag the goods into the container, nevertheless need transport because of light-tonnage advances case fork truck, one case process of advancing has been increased, use large-tonnage fork truck, extension fork sword or boom, this kind of mode occupation space is great, space utilization is not high, and fork truck operation gets up can not turn in a flexible way, to this operating personnel selection adopt flexible arm fork truck to transport the goods into the case, this kind of mode simple operation, wide application, but when the fork truck arm of flexible arm fork truck stretches out completely, the load that can bear is less, can't fork heavier goods.
Disclosure of Invention
An object of the application is to provide a fork truck arm strutting arrangement and fork truck to solve the use flexible arm fork truck that exists among the prior art to a certain extent, lead to the little technical problem of load that can bear when flexible arm fork truck's fork truck arm stretches out completely.
The application provides a forklift arm supporting device for a telescopic arm forklift, which comprises a telescopic mechanism, wherein the telescopic mechanism comprises a fixed part and a stretching part connected with the fixed part, the fixed part is arranged on a telescopic arm of the telescopic arm forklift, the part of the stretching part far away from the fixed part is provided with an abutting part,
when the forklift arm is in a state of bearing a load, the extension portion of the telescopic mechanism extends out, so that the abutting portion abuts against the bearing portion.
In the above technical solution, further, the abutting portion is a roller member; the roller member comprises a roller shaft, a first roller and a second roller;
the first roller is arranged at one end of the roller shaft, and the second roller is arranged at the other end of the roller shaft;
when the extending part of the telescopic mechanism drives the roller shaft to move to a first preset position, the first roller and the second roller are abutted to the bearing part.
In any one of the above technical solutions, further, the abutting portion is a flat plate member, and when the extension portion of the telescopic mechanism drives the flat plate member to move to the second predetermined position, the flat plate member abuts against the bearing portion.
In any of the above technical solutions, further, the forklift arm supporting device further includes a first connecting member; the first connecting piece is provided with a connecting part, the connecting part is connected with the extending part of the telescopic mechanism, and the roller shaft penetrates through the connecting part.
In any one of the above technical solutions, further, the forklift arm supporting device further includes a second connecting member, the second connecting member is disposed on the forklift arm, and the fixing portion of the telescopic mechanism is connected to the second connecting member.
In any of the above technical solutions, further, a bearing is disposed between the connecting portion of the first connecting member and the roller shaft, and two ends of the bearing are respectively provided with a retaining ring.
In any of the above technical solutions, further, the roller shaft is connected to a driving device, and the driving device can drive the roller shaft to drive the first roller and the second roller to rotate.
In any one of the above technical solutions, further, the extension portion of the telescopic mechanism is provided with a first engaging lug, and the fixing portion of the telescopic mechanism is provided with a second engaging lug.
In any of the above technical solutions, further, the connecting portion of the first connecting member clamps the first connecting lug, and the connecting portion and the first connecting lug are fixed by a first fastener;
the second connecting piece clamps the second connecting lug and fixes the second connecting piece and the second connecting lug through a second fastener.
This application still provides a fork truck, including any one of the above-mentioned technical scheme fork truck arm strutting arrangement, therefore, have the device's whole beneficial technological effect, here, no longer give unnecessary details.
Compared with the prior art, the beneficial effect of this application is:
the forklift arm supporting device comprises a telescopic mechanism, wherein the telescopic mechanism comprises a fixing part and an extending part connected to the fixing part, the fixing part of the telescopic mechanism is connected to a forklift arm, so that the extending part of the telescopic mechanism can extend towards the direction away from the fixing part of the telescopic mechanism, the part, away from the fixing part, of the extending part is provided with an abutting part, so that the abutting part can extend out or retract along with the telescopic mechanism, an angle is formed between the telescopic mechanism and the abutting part, and the extending part of the telescopic mechanism extends out to drive the abutting part to move to a preset position; the extension part of the telescopic mechanism retracts to drive the abutting part to return to the original position.
Under the state that the fork truck arm bore load heavy object, telescopic machanism's extension portion stretches out for butt joint to bearing part shares the weight of the load heavy object that the fork truck arm bore, is particularly useful for cantilever crane retractable fork truck, effectively avoids the long great moment of production of the front end distance of fork truck arm when telescopic fork truck arm stretches out, warp easily when bearing the load heavy object and even lead to fork truck rollover, wherein, it is required to explain, in this application embodiment, bearing part can be ground, also can be the position that other of fork truck can the bearing.
It is thus clear that the telescopic machanism of the forklift arm supporting device that this application provided can drive butt portion and move to preset position, improves the convenience of transporting the packing box, and at the goods transportation in-process, telescopic machanism's butt portion effectively supports fork truck's telescopic boom, avoids the weight of packing box to concentrate the effect on the forklift arm for when the forklift arm stretches out to the maximum length, still can bear great load, the fork plays heavy goods. Telescopic machanism sets up for the fork truck arm slope, can also avoid the partial structure on the frame, need not additionally increase the length of fork truck arm, effectively utilizes current space.
The application provides a fork truck, including the aforesaid fork truck arm strutting arrangement and flexible arm, therefore, can transport the packing box conveniently through this fork truck arm strutting arrangement to stabilize the support to the fork truck arm, improve the bearing capacity of fork truck arm, can fork heavier goods, safe and reliable more, the practicality is higher.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic application diagram of a forklift arm supporting device provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a forklift arm support device provided in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a front view of a forklift arm support device provided in an embodiment of the present application;
fig. 4 is an enlarged schematic view of the forklift arm support apparatus provided in fig. 3 at a.
Reference numerals: 1-telescoping mechanism, 101-stationary part, 102-extension, 2-first link, 201-link, 3-roller member, 301-roller shaft, 302-first roller, 303-bearing, 304-retainer ring, 305-second roller, 4-second link, 5-fork, 6-fourth knuckle arm.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
A forklift arm support device and forklift according to some embodiments of the present application are described below with reference to fig. 1 to 4. Fig. 1 is a schematic application diagram of a forklift arm supporting device provided in an embodiment of the present application; FIG. 2 is a schematic structural diagram of a forklift arm support device provided in an embodiment of the present application; FIG. 3 is a cross-sectional view of a front view of a forklift arm support device provided in an embodiment of the present application; fig. 4 is an enlarged schematic view of the forklift arm support apparatus provided in fig. 3 at a.
Referring to fig. 1 to 4, an embodiment of the present application provides a forklift arm supporting device including: telescopic machanism 1, telescopic machanism 1 includes fixed part 101 and connects in the extension 102 of fixed part 101, fixed part 101 sets up to the telescopic boom of telescopic boom fork truck, and the position of keeping away from fixed part 101 of extension 102 is provided with the butt portion, and under the state of the fork truck arm bearing load heavy object (in this embodiment, the load heavy object is described with the packing box as an example), the extension 102 of telescopic machanism 1 stretches out for butt portion butt joint to the bearing part, and in this embodiment, the bearing part can be ground, also can be other positions that can bear the weight of fork truck.
Further, the abutting portion is a roller member 3, and the roller member 3 includes a roller shaft 301, a first roller 302, and a second roller 305; a first roller 302 is disposed at one end of the roller shaft 301, and a second roller 305 is disposed at the other end of the roller shaft 301;
when the extension portion 102 of the telescopic mechanism 1 drives the roller shaft 301 to move to the first predetermined position, the edges of the first roller 302 and the second roller 305 abut against the load bearing portion.
The two rollers are respectively arranged at two ends of the roller shaft 301, the roller shaft 301 penetrates through the extension part 102 of the telescopic mechanism 1, the roller shaft 301 can rotate relative to the extension part 102 of the telescopic mechanism 1, the two rollers are stressed to drive the roller shaft 301 to rotate, the transport of the container is completed, and the friction force between the two rollers and the ground can be reduced.
It should be noted that the width of the roller shaft 301 is slightly larger than the width of the forklift arm, so that the two rollers are respectively located on two sides of the fork 5 when moving to the first predetermined position under the driving of the telescopic mechanism 1.
Further, the forklift arm supporting device further comprises a first connecting piece 2; the first link is formed with a link portion 201, the link portion 201 is connected to the extension portion 102 of the telescopic mechanism 1, and the roller shaft 301 passes through the link portion 201.
It should be noted that the connecting portion 201 is provided with two clamping arms, the extension portion 102 of the telescopic mechanism 1 is arranged between the two clamping arms, and sequentially penetrates through one of the clamping arms, the extension portion 102 of the telescopic mechanism 1, and the other clamping arm through a fixing pin to be fixed, and after the angle between the telescopic mechanism 1 and the connecting portion 201 is adjusted, the telescopic mechanism 1 is fixed by using a fixing bolt and a nut, so that the telescopic mechanism 1 is connected with the roller member 3 through the first connecting member 2. In the embodiment, the first link 2 is connected with the roller member 3 in a fixed posture.
According to the forklift arm supporting device, the fixing part 101 of the telescopic mechanism 1 is connected to a forklift arm, so that the extending part 102 of the telescopic mechanism 1 can extend towards a direction far away from the fixing part 101 of the telescopic mechanism 1; one end of the first connecting piece 2 is connected with the extension part 102 of the telescopic mechanism 1, the other end of the first connecting piece 2 is connected with the roller member 3, the roller member 3 is connected with the extension part 102 of the telescopic mechanism 1 through the first connecting piece 2, so that the roller member 3 can extend out or retract along with the telescopic mechanism 1, an angle is formed between the telescopic mechanism 1 and the roller member 3, the extension part 102 of the telescopic mechanism 1 extends out, when the roller member 3 is driven to move to a preset position (abutted to the bearing part), the container is positioned above the roller member 3, at the moment, the container is continuously pushed, the roller member 3 rotates under stress, the container is conveyed, and the friction force between the roller and the bearing part when the container is filled with goods is reduced; the extension part 102 of the telescoping mechanism 1 retracts to drive the roller member 3 to return to the original position.
It can be seen that the telescopic machanism 1 of fork truck arm strutting arrangement that this application provided can drive gyro wheel component 3 and move to preset position, improves the convenience of transporting the packing box, and at the packing box transportation in-process, telescopic machanism 1 effectively supports gyro wheel component 3, shares the weight of packing box and concentrates the effect on the fork truck arm for when the fork truck arm stretches out to the maximum length, still can bear great load, and the fork plays heavier goods. Telescopic machanism 1 sets up for the fork truck arm slope, can also avoid the partial structure on the frame, need not additionally increase the length of fork truck arm, effectively utilizes current space.
It should be noted that the forklift arm supporting device in the present embodiment may be applied to a general forklift arm, for example, in this case, if the horizontal length of the general forklift arm is long and the position where the fork 5 forks the goods is far from the forklift, the load bearing capacity of the forklift arm and the load bearing weight of the fork 5 is weak, the fixing part 101 of the telescopic mechanism 1 of the forklift arm supporting device may be connected to the fourth arm 6 of the forklift arm as shown in fig. 1 (the forklift described in the present embodiment has four telescopic arms), so as to share the weight of the load bearing weight of the forklift arm when the foremost end of the forklift arm is far from the forklift; of course, the forklift arm supporting apparatus in the present embodiment may be applied to a telescopic arm, and in this case, the fixing portion 101 of the telescopic mechanism 1 of the forklift arm supporting apparatus may be connected to a fixed arm of the telescopic arm so as to share the load of the load weight to the extending arm of the telescopic arm when the telescopic arm extends to carry the load weight.
In addition, the telescopic machanism 1 that this embodiment provided can be common hydraulic cylinder among the prior art, of course, use other telescopic machanisms 1 such as cylinder or, motor to replace hydraulic cylinder in this embodiment can reach the same or similar technological effect with this application, fall in the scope of protection of this application equally.
Further, in an embodiment of the application, the abutting portion may also be a flat member, and when the extension portion of the telescopic mechanism drives the flat member to move to the second predetermined position, the lower surface of the flat member abuts against the bearing portion, so that the flat member can share the weight of the cargo box acting on the forklift arm, and the situation that the weight of the cargo box is concentrated on the telescopic arm, and the generated moment is too large, which results in poor stability of the forklift and even rollover is avoided. (not shown in the figure)
Further, the forklift arm supporting device further comprises a second connecting piece 4, the second connecting piece 4 is arranged on the wall surface of the forklift arm, and the fixing part 101 of the telescopic mechanism 1 is connected with the second connecting piece 4.
In this embodiment, one end of the second connecting member 4 is fixed to a wall surface of the forklift arm (the second connecting member 4 may be welded to the forklift arm, of course, the connection method is not limited thereto), two fixing arms are formed at the other end of the second connecting member 4, the two fixing arms are oppositely arranged and form an installation space, the fixing portion 101 of the telescopic mechanism 1 is arranged in the installation space, the fixing portion 101 of the telescopic mechanism 1 is connected with the two fixing arms of the second connecting member 4 through fixing pins, the telescopic mechanism 1 and the second connecting member 4 are fixed in position through fixing bolts and nuts after an angle formed by the telescopic mechanism 1 and the forklift arm is adjusted, and the telescopic mechanism 1 is connected with the forklift arm through the second connecting member 4.
Further, as shown in fig. 3, a bearing 303 is provided between the connection portion 201 and the roller shaft 301, and retaining rings 304 are provided at both ends of the bearing 303.
In this embodiment, the roller shaft 301 passes through the bearing 303, so that the roller shaft 301 can rotate relative to the connecting portion 201, and displacement in other directions is not generated, and the first roller 302 and the second roller 305 can work normally.
The retaining rings 304 at the two ends of the bearing 303 are used for fixing the position of the bearing 303 relative to the first connecting piece 2, so that the bearing 303 is prevented from falling off in the rotation process of the roller shaft 301.
Further, the roller shaft 301 is connected with a driving device (not shown in the figure), the driving device can drive the roller shaft 301 to drive the first roller 302 and the second roller 305 to rotate, so that when the forklift moves, the driving device drives the roller shaft 301 to drive the two rollers to rotate, the two rollers can move along with the movement of the forklift, power can be provided to a certain extent, and the probability of damage to the rollers is reduced.
It should be noted that the driving device may be a motor commonly used in the prior art, of course. And is not limited thereto.
Further, as shown in fig. 2, the extension part 102 of the telescopic mechanism 1 is provided with a first connecting lug (not shown in the figure), and the fixing part 101 of the telescopic mechanism 1 is provided with a second connecting lug (not shown in the figure);
the connecting part 201 of the first connecting piece 2 clamps the first connecting lug and fixes the connecting part 201 and the first connecting lug through a first fastener;
the second connecting piece 4 clamps the second connecting lug, and the second connecting piece 4 and the second connecting lug are fixed through a second fastener.
It should be noted that the first fastener and the second fastener may be fixed pins, but are not limited thereto.
In this embodiment, the first connecting lug is disposed between the two clamping arms of the connecting portion 201 of the first connecting member 2, and the first connecting lug is provided with a first through hole for passing a fixing pin and a fixing bolt; the second engaging lug is arranged in the mounting space formed by the second connecting piece 4, and a second through hole is formed in the second engaging lug and used for penetrating through the fixing pin and the fixing bolt. The embodiment of this application still provides a fork truck, includes any one of the above-mentioned embodiments fork truck arm strutting arrangement, therefore, have this fork truck arm strutting arrangement's whole beneficial technological effect, here, no longer describe repeatedly.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A forklift arm supporting device is used for a telescopic arm forklift and is characterized by comprising a telescopic mechanism, wherein the telescopic mechanism comprises a fixed part and a stretching part connected with the fixed part, the fixed part is arranged on a telescopic arm of the telescopic arm forklift, the part of the stretching part far away from the fixed part is provided with an abutting part,
when the forklift arm bears a load, the extension part of the telescopic mechanism extends out to enable the abutting part to abut against the bearing part;
the bearing part is the position that can bear the weight of telescopic boom fork truck.
2. The forklift arm support device of claim 1, wherein said abutment is a roller member; the roller member comprises a roller shaft, a first roller and a second roller;
the first roller is arranged at one end of the roller shaft, and the second roller is arranged at the other end of the roller shaft;
when the extending part of the telescopic mechanism drives the roller shaft to move to a first preset position, the first roller and the second roller are abutted to the bearing part.
3. The forklift arm support device of claim 1, wherein said abutment is a plate member that abuts said load bearing portion when the extension of said telescoping mechanism drives said plate member to move to the second predetermined position.
4. The forklift arm support device of claim 2, further comprising a first connector; the first connecting piece is provided with a connecting part, the connecting part is connected with the extending part of the telescopic mechanism, and the roller shaft penetrates through the connecting part.
5. The forklift arm supporting device according to claim 4, further comprising a second connecting member provided to the forklift arm, wherein the fixing portion of the telescopic mechanism is connected to the second connecting member.
6. The forklift arm supporting device according to claim 4, wherein a bearing is provided between the connecting portion of the first connecting member and the roller shaft, and a retainer ring is provided at each end of the bearing.
7. The forklift arm support device of claim 2, wherein a drive device is coupled to the roller axle, the drive device being capable of driving the roller axle to rotate the first roller and the second roller.
8. The forklift arm support device of claim 5, wherein the extension portion of the telescoping mechanism is provided with a first engaging lug and the fixed portion of the telescoping mechanism is provided with a second engaging lug.
9. The forklift arm support device of claim 8, wherein the connecting portion of the first connector grips the first connecting lug and is fixed to the first connecting lug by a first fastener;
the second connecting piece clamps the second connecting lug and fixes the second connecting piece and the second connecting lug through a second fastener.
10. A forklift comprising the forklift arm support device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068171.7A CN110775892B (en) | 2019-10-31 | 2019-10-31 | Fork truck arm strutting arrangement and fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068171.7A CN110775892B (en) | 2019-10-31 | 2019-10-31 | Fork truck arm strutting arrangement and fork truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110775892A CN110775892A (en) | 2020-02-11 |
| CN110775892B true CN110775892B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911068171.7A Active CN110775892B (en) | 2019-10-31 | 2019-10-31 | Fork truck arm strutting arrangement and fork truck |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140683B (en) * | 2022-06-08 | 2023-12-01 | 徐州徐工特种工程机械有限公司 | Telescopic arm roller auxiliary system and method, telescopic arm and telescopic arm forklift |
| CN116354275B (en) * | 2023-03-28 | 2023-10-13 | 湖北中宸建筑安装有限公司 | Loading balance forklift |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9400772A (en) * | 1994-05-09 | 1995-12-01 | Kooi Beheer B V | Fork lift truck with fork support. |
| IE20020724A1 (en) * | 2002-09-06 | 2004-03-10 | Moffett Res & Dev Ltd | Improvements in and relating to fork lift trucks |
| JP2007290816A (en) * | 2006-04-25 | 2007-11-08 | Toyota Industries Corp | Protective device for fork in forklift |
| CN202704970U (en) * | 2012-02-15 | 2013-01-30 | 中国人民解放军总后勤部建筑工程研究所 | Multifunctional pallet fork device |
| CN105152081A (en) * | 2015-09-29 | 2015-12-16 | 刘煋 | Side rear rotation operation telescopic forklift |
| CN108611983A (en) * | 2018-06-19 | 2018-10-02 | 沙焕焕 | A kind of Bridge Erector of bridging method and band special piling machine |
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