CN216298452U

CN216298452U - Lifting and rotating lower frame tool

Info

Publication number: CN216298452U
Application number: CN202121990892.6U
Authority: CN
Inventors: 郑永忠
Original assignee: Fujian Xinyuan Heavy Industry Co ltd
Current assignee: Fujian Xinyuan Heavy Industry Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-04-15
Anticipated expiration: 2031-08-23

Abstract

The invention relates to the technical field of lower frame tools, in particular to a lower frame tool capable of lifting and rotating, which structurally comprises: the anti-falling device is inserted on the C-folded plate through the lifting and rotating device, the lower frame tool ensures that the whole base is more stable and prevents moving and side turning through the matching of the widened base and the reinforced triangular blocks, the insert block drives the push-pull rod to reciprocate in the limiting cylinder through the matching of the inclined plane part and the tooth socket of the tooth socket plate, the inserting block moves upwards to be repeatedly clamped into the tooth socket plate, the right-angle part pushes against the lower end of the tooth socket when the inserting block is clamped, the limiting cylinder is effectively prevented from moving downwards, thereby play the effect of preventing weighing down to lifting frame and installation L arm, the frock facility is more stable, is difficult for flagging even falling, and the security is higher.

Description

Lifting and rotating lower frame tool

Technical Field

The invention relates to the technical field of lower frame tools, in particular to a lower frame tool capable of lifting and rotating.

Background

An excavator, also known as a digging machine, is an earth moving machine that excavates material above or below a load bearing surface with a bucket and loads it into a transport vehicle or unloads it to a stockyard. The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In recent years, an excavator becomes one of the most important engineering machines in engineering construction, a lower frame is a walking part of the excavator and plays a very important role in the whole machine, but in the prior art, the lower frame is generally lifted to a required position by a lifting machine and then is aligned and installed manually, however, the facility does not protect a lifting arm against falling, the lower frame is large in size and heavy in weight, the lower frame falls a short distance when lifted to a required height often, even the lifting arm drives the lower frame to fall from the facility, the lifting arm is easy to clamp, tooling accessories are easy to damage, and the risk is high.

Disclosure of Invention

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The invention aims to overcome the defects and provide the lower frame tool capable of lifting and rotating.

In order to achieve the purpose, the technical solution of the invention is as follows: the utility model provides a liftable rotatory lower frame frock, its structure includes: the anti-falling device is arranged on the C folded plate, the lower frame is arranged at the lower end of the L arm, the L arm is arranged on the lifting rotating device, and the anti-falling device penetrates through the lifting rotating device and is inserted into the C folded plate.

Preferably, the base reinforcing device comprises a widened base, a support, a cross rod, an inclined rod and a reinforcing triangular block, the widened base is fixed on the support through the reinforcing triangular block, the lower end of the inclined rod is connected with the cross rod, the upper end of the inclined rod is connected with the C folded plate, a right-angled triangle is formed among the inclined rod, the cross rod and the C folded plate, and the C folded plate is perpendicular to the support.

Preferably, the widened base is divided into two sections on the support, and reinforcing triangular blocks are arranged on the two sections.

Preferably, the lifting and rotating device comprises a gear, a lifting frame, a connecting plate, a lifting oil cylinder, a slewing bearing, a slewing motor, guide rods and a shaft sleeve, the gear is in clearance fit with the slewing bearing, the gear is in transmission connection with the slewing motor, the slewing bearing is installed on the lifting frame, the lower end of the lifting oil cylinder is connected with a connecting seat, the connecting plate is arranged on the lifting frame, two guide rods are respectively attached to two sides of the C-folded plate, the guide rods can roll on the C-folded plate through the shaft sleeve, the shaft sleeve is connected with the lifting frame, and the lifting frame is provided with an anti-falling device.

Preferably, the lifting frame is wrapped over the C-flap by a web.

Preferably, the anti-falling device comprises a blocking piece, a push-pull rod, a limiting cylinder, a spring, an insert block, an inclined plane part and a tooth groove plate, the push-pull rod penetrates through the blocking piece to be connected with the insert block, the spring is arranged between the insert block and the blocking piece, the blocking piece is matched into the limiting cylinder, the insert block is telescopically mounted on the limiting cylinder, the inclined plane part matched with the tooth groove plate is arranged on one side of the insert block, the inclined plane part is located on the upper portion of one side of the insert block, the opposite face of the inclined plane part is a right angle part, the tooth groove plate is mounted on the C-shaped folded plate, and the limiting cylinder is fixedly connected to the lifting frame.

Preferably, the push-pull rod is sleeved with a spring.

Preferably, the inclined surface of the inclined surface portion is fitted to the slot of the slot plate.

Preferably, a throttle valve for adjusting the descending speed of the lower frame is arranged in the C-folded plate.

Preferably, the mounting L-arm is connected to the slewing bearing.

By adopting the technical scheme, the invention has the beneficial effects that: the lower frame tool ensures that the whole base is more stable and prevents moving and side turning by widening the matching of the base and the reinforcing triangular block, a right-angled triangle is formed between the diagonal rod and the cross rod and the C folded plate, the function of supporting the C folded plate and the installation L arm to prevent the frame from scattering is achieved, the lifting oil cylinder is used for lifting the connecting plate, the lifting frame is driven by the rotary bearing and the rotary motor to lift together under the matching of the guide rod and the shaft sleeve, when the lifting frame is lifted to the required height, the rotary motor drives the gear to rotate mechanically, so that the rotary bearing drives the installation L arm carrying the lower frame to rotate, the lower frame tool has the function of facilitating the installation of an installer to mount at the most reasonable angle and reducing the labor intensity, the insert block drives the push-pull rod to reciprocate in the limiting cylinder to stretch in order to repeatedly clamp the insert block into the tooth socket plate, and the right-angled part pushes the lower end of the tooth socket when the insert block is clamped, effectively prevent that spacing section of thick bamboo from moving down to play the effect of preventing weighing down to lifting frame and installation L arm, the frock facility is more stable, is difficult for flagging to fall even, and the security is higher.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Clearly, such objects and other objects of the present invention will become more apparent from the detailed description of the preferred embodiments hereinafter set forth in the various drawings and drawings.

These and other objects, features and advantages of the present invention will become more apparent from the following detailed description of one or more preferred embodiments of the invention, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings, like parts are designated with like reference numerals, and the drawings are schematic and not necessarily drawn to scale.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.

FIG. 1 is a schematic structural view of a lower frame tooling capable of lifting and rotating;

FIG. 2 is a schematic structural view of a base reinforcement device according to the present invention;

FIG. 3 is a schematic structural diagram of the lifting and rotating device of the present invention;

FIG. 4 is a schematic view of the internal structure of the lifting/lowering device according to the present invention;

FIG. 5 is a schematic view of the fall arrest device of the present invention;

fig. 6 is a partially enlarged structural diagram of a in fig. 5 according to the present invention.

Description of the main reference numerals: the device comprises a base reinforcing device-1, a C folded plate-2, an anti-falling device-3, a lifting rotating device-4, an installation L arm-5, a lower frame-6, a widened base-101, a support-102, a cross rod-103, an inclined rod-104, a reinforcing triangular block-105, a gear-401, a lifting frame-402, a connecting plate-403, a lifting oil cylinder-404, a slewing bearing-405, a slewing motor-406, a guide rod-407, a shaft sleeve-408, a baffle-301, a push-pull rod-302, a limiting cylinder-303, a spring-304, an insert block-305, an inclined plane part-306 and a toothed groove plate-307.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details or with other methods described herein.

Referring to fig. 1, the present invention provides a lower frame assembly capable of lifting and rotating, which comprises: base reinforcing apparatus 1, C folded plate 2, anti-falling device 3, lifting rotary device 4, installation L arm 5, lower carriage 6, C folded plate 2 is connected with base reinforcing apparatus 1, anti-falling device 3 installs on C folded plate 2, lower carriage 6 sets up at installation L arm 5 lower extreme, installation L arm 5 is installed on lifting rotary device 4, anti-falling device 3 passes lifting rotary device 4 and inserts on C folded plate 2, be provided with the choke valve that is used for adjusting frame 6 falling speed down in the C folded plate 2, lower frame 6 on will installing L arm 5 through lifting rotary device 4 promotes rotatoryly to required position, it installs with the most reasonable angle to have the easy to assemble workman, reduce intensity of labour's effect, and increase anti-falling device 3 and realize that the carriage work in-process prevents to sway and fall, base reinforcing apparatus 1 orders about wholly more firm.

Referring to fig. 2, the base reinforcing device 1 includes a widened base 101, a bracket 102, a cross bar 103, an inclined bar 104, and a reinforcing triangle block 105, the widened base 101 is fixed on the bracket 102 through the reinforcing triangle block 105, the lower end of the inclined bar 104 is connected with the cross bar 103, the upper end of the inclined bar is connected with the C-folded plate 2, a right triangle is formed between the inclined bar 104, the cross bar 103 and the C-folded plate 2, the C-folded plate 2 is perpendicular to the bracket 102, the widened base 101 is divided into two sections on the bracket 102, and the reinforcing triangle block 105 is arranged on both the two sections, the widened base 101 is matched with the reinforcing triangle block 105 to make the overall base more stable and prevent the base from moving laterally, and the inclined bar 104, the cross bar 103 and the C-folded plate 2 form a right triangle, so as to support the C-folded plate 2 and the mounting L arm 5 to prevent the scattering.

Referring to fig. 3 and 4, the lifting and rotating device 4 includes a gear 401, a lifting frame 402, a connecting plate 403, a lifting cylinder 404, a pivoting support 405, a pivoting motor 406, a guide rod 407, and a shaft sleeve 408, the gear 401 is in clearance fit with the pivoting support 405, the gear 401 is in transmission connection with the pivoting motor 406, the pivoting support 405 is mounted on the lifting frame 402, the lower end of the lifting cylinder 404 is connected with a connecting base 403, the connecting plate 403 is mounted on the lifting frame 402, two guide rods 407 are respectively attached to two sides of the C-folded plate 2, the guide rods 407 can roll on the C-folded plate 2 through the shaft sleeve 408, the shaft sleeve 408 is connected with the lifting frame 402, the lifting frame 402 is provided with the falling prevention device 3, the lifting frame 402 is covered on the C-folded plate 2 through the connecting plate 403, the L arm 5 is mounted to be connected with the pivoting support 405, the lifting cylinder 404 lifts the connecting plate 403, the lifting frame 402 is lifted together with the pivoting support 405 and the pivoting motor 406 under the cooperation of the guide rods 407 and the shaft sleeve 408, when the lifting device is lifted to a required height, the rotary motor 406 drives the gear 401 to rotate mechanically, so that the rotary support 405 drives the mounting L-arm 5 carrying the lower frame 6 to rotate, and the lifting device has the effects of facilitating mounting at the most reasonable angle by a mounting worker and reducing the labor intensity.

Referring to fig. 5 and 6, the anti-falling device 3 includes a catch 301, a push-pull rod 302, a limiting cylinder 303, a spring 304, an insert block 305, a ramp portion 306, and a spline plate 307, the push-pull rod 302 passes through the catch 301 and is connected to the insert block 305, the spring 304 is disposed between the insert block 305 and the catch 301, the catch 301 fits into the limiting cylinder 303, the insert block 305 is telescopically mounted on the limiting cylinder 303, one side of the insert block 305 is provided with a ramp portion 306 matched with the spline plate 307, the ramp portion 306 is located at the upper portion of one side of the insert block 305, the opposite side of the ramp portion 306 is a right angle portion 308, the spline plate 307 is mounted on the C-shaped plate 2, the limiting cylinder 303 is fixedly connected to the lifting frame 402, the spring 304 is sleeved outside the push-pull rod 302, the ramp portion 306 is fitted with the spline on the spline plate 307, the lifting frame 402 moves up along the C-shaped plate 2, the ramp portion 306 moves up along the spline plate 307, and moves up along the spline plate 307 during moving up, the spring 304 deforms under the action of the blocking piece 301, the insertion block 305 drives the push-pull rod 302 to reciprocate in the limiting cylinder 303 to stretch and retract, so that the insertion block 305 moves upwards and is repeatedly clamped into the toothed groove plate 307, the straight angle portion 308 pushes against the lower end of the toothed groove during clamping, the limiting cylinder 303 is effectively prevented from moving downwards, and the anti-falling effect is achieved on the lifting frame 402 and the L-arm 5.

When the lower frame 6 is connected to the installation L arm 5 during use, when an operator uses the lower frame to install the lower frame, firstly, the base 101 is widened to be matched with the reinforcing triangular block 105, so that the whole base is more stable, the side turning is prevented, the inclined rod 104, the cross rod 103 and the C folded plate 2 form a right-angled triangle, the C folded plate 2 and the installation L arm 5 are supported and anti-scattering frames are formed, the installation L arm 5 lifts the lower frame 6 to be more balanced and stable, then, the lifting cylinder 404 lifts the connecting plate 403, the lifting frame 402 is lifted upwards along the C folded plate 2 by the rotary bearing 405 and the rotary motor 406 under the matching of the guide rod 407 and the shaft sleeve 408, when the lifting height is required, the rotary motor 406 drives the gear 401 to rotate mechanically, so that the rotary bearing 405 rotates with the installation L arm 5 carrying the lower frame 6, and the installation of the lower frame is convenient for installation workers at the most reasonable angle, the labor intensity is reduced, the lifting frame 402 moves upwards along the C-shaped folded plate 2 in the lifting process, the inclined plane part 306 moves upwards along the tooth socket of the tooth socket plate 307 according to grids, in the moving-up process, the spring 304 deforms under the action of the blocking sheet 301, the insertion block 305 drives the push-pull rod 302 to stretch and retract in a reciprocating mode in the limiting cylinder 303, the insertion block 305 moves upwards and is repeatedly clamped into the tooth socket plate 307, the straight angle part 308 pushes against the lower end of the tooth socket when the insertion block is clamped, the limiting cylinder 303 is effectively prevented from moving downwards, the lifting frame 402 and the mounting L arm 5 are prevented from falling, stable and safe lifting rotation of the lower frame 6 is further completed, and the use of mounting workers is facilitated.

It is to be understood that the disclosed embodiments of the invention are not limited to the particular process steps or materials disclosed herein, but rather, are extended to equivalents thereof as would be understood by those of ordinary skill in the relevant art. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. Thus, the appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, amounts, etc., to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth.

Claims

1. The utility model provides a liftable rotatory lower frame frock which characterized in that, its structure includes: the anti-falling device comprises a base reinforcing device (1), a C folded plate (2), an anti-falling device (3), a lifting rotating device (4), an installation L arm (5) and a lower frame (6), wherein the C folded plate (2) is connected with the base reinforcing device (1), the anti-falling device (3) is installed on the C folded plate (2), the lower frame (6) is arranged at the lower end of the installation L arm (5), the installation L arm (5) is installed on the lifting rotating device (4), and the anti-falling device (3) penetrates through the lifting rotating device (4) to be inserted into the C folded plate (2).

2. The lower frame tool capable of lifting and rotating as claimed in claim 1, wherein: the base reinforcing device (1) comprises a widened base (101), a support (102), a cross rod (103), an inclined rod (104) and a reinforcing triangular block (105), the widened base (101) is fixed on the support (102) through the reinforcing triangular block (105), the lower end of the inclined rod (104) is connected with the cross rod (103), the upper end of the inclined rod is connected with a C folded plate (2), a right-angled triangle is formed among the inclined rod (104), the cross rod (103) and the C folded plate (2), and the C folded plate (2) is perpendicular to the support (102).

3. The lower frame tool capable of lifting and rotating as claimed in claim 2, wherein: the widened base (101) is divided into two sections on the support (102), and reinforcing triangular blocks (105) are arranged on the two sections.

4. The lower frame tool capable of lifting and rotating as claimed in claim 1, wherein: the lifting rotating device (4) comprises a gear (401), a lifting frame (402), a connecting plate (403), a lifting oil cylinder (404), a slewing bearing (405), a slewing motor (406), guide rods (407) and a shaft sleeve (408), wherein the gear (401) is in clearance fit with the slewing bearing (405), the gear (401) is in transmission connection with the slewing motor (406), the slewing bearing (405) is installed on the lifting frame (402), the lower end of the lifting oil cylinder (404) is connected with the connecting plate (403), the connecting plate (403) is arranged on the lifting frame (402), two guide rods (407) are respectively attached to two sides of the C-shaped folded plate (2), the guide rods (407) can roll on the C-shaped folded plate (2) through the shaft sleeve (408), the shaft sleeve (408) is connected with the lifting frame (402), and an anti-falling device (3) is arranged on the lifting frame (402).

5. The lower frame tool capable of lifting and rotating as claimed in claim 4, wherein: the lifting frame (402) is covered on the C-folded plate (2) through a connecting plate (403).

6. The lower frame tool capable of lifting and rotating as claimed in claim 4, wherein: the anti-falling device (3) comprises a blocking piece (301), a push-pull rod (302), a limiting cylinder (303), a spring (304), an insert block (305), an inclined plane part (306) and a toothed groove plate (307), wherein the push-pull rod (302) penetrates through the blocking piece (301) to be connected with the insert block (305), the spring (304) is arranged between the insert block (305) and the blocking piece (301), the blocking piece (301) is fitted into the limiting cylinder (303), the insert block (305) is telescopically installed on the limiting cylinder (303), the inclined plane part (306) matched with the toothed groove plate (307) is arranged on one side of the insert block (305), the inclined plane part (306) is located on the upper part of one side of the insert block (305), the opposite surface of the inclined plane part (306) is a straight angle part (308), the toothed groove plate (307) is installed on the C folded plate (2), and the limiting cylinder (303) is fixedly connected to the lifting frame (402).

7. The lower frame tool capable of lifting and rotating as claimed in claim 6, wherein: the outer side of the push-pull rod (302) is sleeved with a spring (304).

8. The lower frame tool capable of lifting and rotating as claimed in claim 6, wherein: the inclined plane on the inclined plane part (306) is attached to the tooth socket on the tooth socket plate (307).

9. The lower frame tool capable of lifting and rotating as claimed in claim 1, wherein: a throttle valve for adjusting the descending speed of the lower frame (6) is arranged in the C-folded plate (2).

10. The lower frame tool capable of lifting and rotating as claimed in claim 4, wherein: the mounting L-arm (5) is connected with a slewing bearing (405).