CN211255166U

CN211255166U - Mechanical maintenance riser

Info

Publication number: CN211255166U
Application number: CN201922354414.5U
Authority: CN
Inventors: 虞嘉丞
Original assignee: JIAXING TECHNICIAN INSTITUTE
Current assignee: JIAXING TECHNICIAN INSTITUTE
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-14
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a mechanical maintenance lifter, which comprises a base; the top of the base is rotatably provided with a scissor mechanism through a rotating shaft; the top of the scissor fork mechanism is rotatably provided with a lifting platform through a rotating shaft; a hydraulic cylinder is rotatably arranged between the middle rod at the bottom of the scissor mechanism and the base through a rotating shaft; the turning pedal is arranged, so that the lifting platform is conveniently communicated with the top of the equipment, the movement of maintenance workers is facilitated, the safety of the workers is improved, when the workers need to take the workpiece, the stay wires can be recycled by using the take-up pulley, and the conveying cylinder is hoisted to finish the hoisting of the workpiece; the setting of sliding cover plate has improved the security of hanging simultaneously and has got, can seal when not hanging and get the material mouth and avoid meeting accident, and the take-up pulley setting can avoid workman's removal to receive the hindrance in lift platform's bottom.

Description

Mechanical maintenance riser

Technical Field

The utility model belongs to the technical field of the mechanical maintenance, more specifically say, in particular to mechanical maintenance riser.

Background

The lifting machine is a mechanical device driven by a hydraulic cylinder or a chain to lift, and is mainly used for high-altitude operation and high-altitude maintenance; when large-scale mechanical maintenance work is carried out, a lifter is needed to carry out mechanical maintenance, and the same is needed when the top of mechanical equipment is maintained.

Through retrieving for example, patent No. CN207973458U discloses a mechanical maintenance riser, including the supporting seat, the supporting seat both sides are equipped with the backup pad respectively, backup pad upper portion is equipped with air bag and fixes through spacing frame, the inside pneumatic cylinder that is equipped with of supporting seat, the pneumatic cylinder with the bottom surface cooperates fixed connection through bolt and screw in the inside of supporting seat, pneumatic cylinder upper portion is equipped with the fixed block, fixed block upper portion is equipped with the lifter plate, the lifter plate with be equipped with pressure sensor between the fixed block, the embedding of pressure sensor one end is in the inside of fixed block, the inside reset spring that is equipped with of fixed block, the fixed block with reset spring carries out fixed connection. The utility model discloses a pressure that lifter plate was applyed to the pneumatic cylinder can be measured to the pressure sensors who adds, and the effectual safety problem that appears when preventing that pressure from too big to lead to going up and down cooperates air bag's use simultaneously, has improved the security.

For another example, patent No. CN206735755U discloses a mechanical maintenance lifter, which includes a ground platform and a lifting platform; the side wall of the ground platform is provided with a variable frequency motor; the variable frequency motor is provided with a rotating shaft; the rotating shaft extends into the ground platform and is sleeved with a left sliding block and a right sliding block; the left sliding block and the right sliding block are hinged with oblique rods which are in cross connection; the tail end of the inclined rod is hinged with a connecting rod; the bottom of the lifting platform is provided with a sliding chute, a moving block is arranged in the sliding chute, and the moving block is fixedly connected with the connecting rod; the center position fixedly connected with first piston rod of lift platform lower surface, first piston rod is connected with first pneumatic cylinder. The utility model adopts the double lifting power device, improves the loading capacity of the lifting platform, provides multi-point support for the lifting platform, and ensures the stability of the lifting platform; the utility model discloses be equipped with material feeding unit, make things convenient for the transportation of repair tools and material part, improved work efficiency.

Based on the aforesaid, the riser that uses at present mainly drives the workman and goes up and down to maintain, only conveniently maintains one side of equipment, and inconvenient maintenance when carrying out long man-hour to equipment top transport means and material, the result of use is general.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a mechanical maintenance lifter is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mechanical maintenance riser to the riser that provides in solving above-mentioned background art and using at present mainly drives the workman and goes up and down to maintain, only conveniently maintains one side of equipment, inconvenient maintenance when carrying out the long man-hour to equipment top transport means and material, problem that the result of use is general.

The utility model relates to a purpose and efficiency of mechanical maintenance riser are reached by following concrete technical means:

a mechanical maintenance lifter comprises a base; the top of the base is rotatably provided with a scissor mechanism through a rotating shaft; the top of the scissor fork mechanism is rotatably provided with a lifting platform through a rotating shaft; and a hydraulic cylinder is rotatably arranged between the middle rod at the bottom of the scissor fork mechanism and the base through a rotating shaft.

Furthermore, a positioning seat is integrally arranged at the top of one side of the base; and the inner edge of the top of the positioning seat is subjected to round chamfering treatment.

Furthermore, the lifting platform also comprises a material taking port, a sliding cover plate and a take-up pulley; a material taking port is formed in one side of the lifting platform, and the side of the bottom of the material taking port is rounded; the top of the material taking port is provided with a sliding cover plate in a sliding manner through a sliding structure; four groups of shaft brackets are integrally arranged at the bottom of the lifting platform, and take-up pulleys are selectively arranged in the shaft brackets; the two sides of the take-up pulley are connected through a synchronous belt in a moving mode.

Furthermore, a turning pedal is selectively arranged on one side of the lifting platform through a rotating shaft, and the top of the turning pedal is of a tooth-shaped surface structure.

Furthermore, a transmission shaft is rotatably arranged in the middle of the lifting platform through a self-locking rotating shaft, and the bottom of the transmission shaft is connected with a bevel gear and a take-up pulley in a moving manner through a key; the top of the transmission shaft can be provided with a rocker; stay wires are fixedly arranged outside the take-up pulley through winding, and the bottoms of the stay wires are connected with a material conveying cylinder; the outer sides of the tops of the material conveying cylinders are rounded.

Furthermore, the rocker also comprises a rocker socket; the bottom of the rocker is integrally provided with a rocker socket which is of a cross structure, and the middle part of the rocker socket is of a protruding structure; the top of the transmission shaft is provided with a groove structure matched with the rocker socket.

Compared with the prior art, the utility model discloses following beneficial effect has:

the turning pedal is arranged, so that the lifting platform is conveniently communicated with the top of the equipment, the movement of maintenance workers is facilitated, the safety of the workers is improved, when the workers need to take the workpiece, the stay wires can be recycled by using the take-up pulley, and the conveying cylinder is hoisted to finish the hoisting of the workpiece; the arrangement of the sliding cover plate improves the lifting safety, the material taking port can be sealed to avoid accidents when the lifting is not carried out, and the take-up pulley is arranged at the bottom of the lifting platform to avoid the blockage of the movement of workers; the rocker socket is the nimble setting, can assemble when needs use and rotate, takes off the rocker socket when not using and avoids hindering.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the bottom view of the present invention.

Fig. 3 is a schematic diagram of a partially enlarged structure of the present invention.

Fig. 4 is a schematic diagram of a local enlarged structure B of the present invention.

Fig. 5 is a schematic diagram of a local enlarged structure of C of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. the device comprises a base, 101, a positioning seat, 2, a scissor fork mechanism, 3, a hydraulic cylinder, 4, a lifting platform, 401, a material taking port, 402, a sliding cover plate, 403, a take-up pulley, 5, a turning pedal, 6, a transmission shaft, 7, a rocker, 701, a rocker socket, 8 and a material conveying cylinder.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely 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 invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a mechanical maintenance lifter, which comprises a base 1; the top of the base 1 is rotatably provided with a scissor mechanism 2 through a rotating shaft; the top of the scissor mechanism 2 is rotatably provided with a lifting platform 4 through a rotating shaft; the lifting platform 4 further comprises a material taking port 401, a sliding cover plate 402 and a take-up pulley 403; a material taking port 401 is formed in one side of the lifting platform 4, and the side of the bottom of the material taking port 401 is rounded; the top of the material taking port 401 is provided with a sliding cover plate 402 in a sliding manner through a sliding structure, and two ends of the sliding cover plate 402 are limited to move through the sliding structure; four groups of shaft brackets are integrally arranged at the bottom of the lifting platform 4, and take-up pulleys 403 are selectively arranged in the shaft brackets; the two sides of the take-up pulley 403 are connected through a synchronous belt; the middle of the lifting platform 4 is rotatably provided with a transmission shaft 6 through a self-locking rotating shaft, and the bottom of the transmission shaft 6 is connected with a bevel gear through a key and is in motion connection with a take-up pulley 403; the top of the transmission shaft 6 can be provided with a rocker 7; stay wires are fixedly arranged outside the take-up pulley 403 through winding, and the bottoms of the stay wires are connected with a material conveying cylinder 8; the outer sides of the tops of the material conveying cylinders 8 are rounded; wherein, one side of the lifting platform 4 is selectively provided with a turning pedal 5 through a rotating shaft, and the top of the turning pedal 5 is provided with a tooth-shaped surface structure; a hydraulic cylinder 3 is rotatably arranged between the middle rod at the bottom of the scissor mechanism 2 and the base 1 through a rotating shaft.

Wherein, the top of one side of the base 1 is integrally provided with a positioning seat 101; the top inner edge of the positioning seat 101 is rounded.

Wherein, the rocker 7 also comprises a rocker socket 701; a rocker socket 701 is integrally arranged at the bottom of the rocker 7, the rocker socket 701 is of a cross structure, and the middle part of the rocker socket 701 is of a protruding structure; the top of the transmission shaft 6 is provided with a groove structure matched with the rocker socket 701.

The specific use mode and function of the embodiment are as follows:

in the utility model, a scissor fork mechanism 2 is rotationally arranged at the top of a base 1 through a rotating shaft; a lifting platform 4 is rotatably arranged at the top of the scissor mechanism 2 through a rotating shaft; a hydraulic cylinder 3 is rotatably arranged between the middle rod at the bottom of the scissor mechanism 2 and the base 1 through a rotating shaft; rounding the inner edge of the top of the positioning seat 101; a material taking port 401 is formed in one side of the lifting platform 4, and the bottom side of the material taking port 401 is chamfered; a sliding cover plate 402 is arranged at the top of the material taking port 401 in a sliding mode through a sliding structure; four groups of shaft brackets are integrally arranged at the bottom of the lifting platform 4, and take-up pulleys 403 are selectively arranged in the shaft brackets; the two sides of the take-up pulley 403 are connected through a synchronous belt; a turning pedal 5 is selectively arranged on one side of the lifting platform 4 through a rotating shaft; a transmission shaft 6 is rotatably arranged in the middle of the lifting platform 4 through a bearing, and a bevel gear is arranged at the bottom of the transmission shaft 6 through key connection and is in motion connection with a take-up pulley 403; a rocker 7 is assembled at the top of the transmission shaft 6; a stay wire is fixedly arranged outside the take-up pulley 403 by winding, and the bottom of the stay wire is connected with a material conveying cylinder 8; the outside of the top of the material conveying cylinder 8 is rounded; a rocker socket 701 is integrally arranged at the bottom of the rocker 7, and the middle part of the rocker socket 701 is of a protruding structure; the top of the transmission shaft 6 is provided with a groove structure matched with the rocker socket 701; when the scissor fork lifting device is used, a maintenance worker carries a simple tool to stand on the lifting platform 4, holds the turning pedal 5, props up the scissor fork mechanism 2 through the hydraulic cylinder 3 to move to a proper height, and puts down the turning pedal 5 to communicate the lifting platform 4 with the top of the equipment; after the fault is found out, an assistant person is informed to take out accessories, a workpiece is placed in the material conveying cylinder 8, the rocker 7 is inserted into the transmission shaft 6, the transmission shaft 6 is rotated to drive the wire winding wheel 403 to rotate through the bevel gear to lift the material conveying cylinder 8, and the material conveying cylinder is aligned to the material taking port 401; when the material conveying cylinder 8 rises to the material taking port 401, the sliding cover plate 402 is pushed away, and the workpiece is taken out for maintenance.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A mechanical maintenance riser, comprising: a base (1); the top of the base (1) is rotatably provided with a scissor mechanism (2) through a rotating shaft; the top of the scissor fork mechanism (2) is rotatably provided with a lifting platform (4) through a rotating shaft; a hydraulic cylinder (3) is rotatably arranged between the middle rod at the bottom of the scissor mechanism (2) and the base (1) through a rotating shaft.

2. A mechanical maintenance riser as defined in claim 1, wherein: a positioning seat (101) is integrally arranged at the top of one side of the base (1); and the inner edge of the top of the positioning seat (101) is rounded.

3. A mechanical maintenance riser as defined in claim 1, wherein: the lifting platform (4) further comprises a material taking port (401), a sliding cover plate (402) and a take-up pulley (403); a material taking port (401) is formed in one side of the lifting platform (4), and the side of the bottom of the material taking port (401) is rounded; the top of the material taking port (401) is provided with a sliding cover plate (402) in a sliding manner through a sliding structure; four groups of shaft brackets are integrally arranged at the bottom of the lifting platform (4), and take-up pulleys (403) are selectively arranged in the shaft brackets; the two sides of the take-up pulley (403) are connected through a synchronous belt in a moving mode.

4. A mechanical maintenance riser as defined in claim 1, wherein: one side of the lifting platform (4) is selectively provided with a turning pedal (5) through a rotating shaft, and the top of the turning pedal (5) is provided with a tooth-shaped surface structure.

5. A mechanical maintenance riser according to claim 3, characterized in that: a transmission shaft (6) is rotatably arranged in the middle of the lifting platform (4) through a self-locking rotating shaft, and the bottom of the transmission shaft (6) is connected with a bevel gear and a take-up pulley (403) in a moving way through a key; the top of the transmission shaft (6) can be provided with a rocker (7); stay wires are fixedly arranged outside the take-up pulley (403) through winding, and the bottoms of the stay wires are connected with a material conveying cylinder (8); the outer sides of the tops of the material conveying cylinders (8) are rounded.

6. A mechanical maintenance riser according to claim 5, characterized in that: the rocker (7) also comprises a rocker socket (701); the bottom of the rocker (7) is integrally provided with a rocker socket (701), the rocker socket (701) is of a cross structure, and the middle part of the rocker socket (701) is of a protruding structure; the top of the transmission shaft (6) is provided with a groove structure matched with the rocker socket (701).