CN207551824U - A kind of vertical hoistable platform hydraulic support device - Google Patents

Abstract

The utility model discloses a hydraulic support device for a vertical shaft lifting platform, which comprises a support base and a lifting platform located above the support base. A placement chamber is opened on the support base, and a hydraulic cylinder is fixedly installed on the inner wall of the bottom of the placement chamber. A support sleeve is fixedly installed on the top of the support seat, and a lifting support rod is slidably installed in the support sleeve, and the top end of the lifting support rod extends to the top of the support sleeve and is fixedly connected with the bottom of the lifting platform. The bottom end of the support rod is fixedly connected with the hydraulic rod of the hydraulic cylinder, a fixed block is fixedly installed on the top of one side of the support sleeve, and a first through hole is opened on the fixed block, and the lifting support rod is close to the bottom of the fixed block. There is a positioning slot on one side. The utility model has the advantages of simple structure and strong practicability. After the lifting platform is raised and lowered, the support and positioning are firm, which is beneficial to people's use. At the same time, it can effectively avoid the occurrence of safety accidents and meet people's use needs.

Description

A hydraulic support device for shaft lifting platform

technical field

The utility model relates to the technical field of lifting platform hydraulics, in particular to a hydraulic support device for a shaft lifting platform.

Background technique

The hydraulic lifting platform is a multifunctional lifting and unloading mechanical equipment. The hydraulic lifting platform can be customized according to the user's requirements. The lifting system of the lifting platform is driven by hydraulic pressure, so it is called a hydraulic lifting platform. , is the main exit from the mine to the ground. The vertical shaft is divided into a main shaft and an auxiliary shaft. The main shaft transports coal, and the auxiliary shaft lifts personnel and materials.

At present, the support and positioning of the shaft lifting platform is not firm after being lifted by the hydraulic cylinder, which brings safety hazards to people's use and cannot meet people's needs. For this reason, we provide a hydraulic support device for the shaft lifting platform to solve the problem. above question.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a vertical shaft lifting platform hydraulic support device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A hydraulic support device for a vertical shaft lifting platform, comprising a support base and a lifting platform located above the support base, a placement cavity is opened on the support base, a hydraulic cylinder is fixedly installed on the bottom inner wall of the placement cavity, and a hydraulic cylinder is fixed on the bottom inner wall of the support base. A support sleeve is fixedly installed on the top, and a lifting support rod is slidably installed in the support sleeve, and the top end of the lifting support rod extends to the top of the support sleeve and is fixedly connected with the bottom of the lifting platform, and the bottom end of the lifting support rod It is fixedly connected with the hydraulic rod of the hydraulic cylinder, a fixed block is fixedly installed on the top of one side of the support sleeve, and a first through hole is opened on the fixed block, and a positioning hole is opened on the side of the lifting support rod close to the fixed block. slot, and a positioning column is installed in the positioning groove, and one end of the positioning column extends into the first through hole. There is a gear, and a rotating shaft is fixedly sleeved on the gear, and the bottom end of the rotating shaft is rotatably mounted on the bottom inner wall of the first through hole, and a stepping motor is fixedly installed on the top of the fixed block, and the rotating shaft The top end rotates and extends to the outside of the fixed block and is fixedly connected with the output shaft of the stepping motor.

Preferably, there are multiple positioning slots, and the multiple positioning slots are equidistantly arranged on the side of the lifting support rod close to the fixed block.

Preferably, a second through hole is opened on the inner wall of the support sleeve near the first through hole, the second through hole communicates with the first through hole, and the positioning column moves through the second through hole and connects with the first through hole. The inner wall of the second through hole is slidingly connected.

Preferably, a mounting hole is opened on the top inner wall of the first through hole, and a bearing is fixedly sleeved in the mounting hole, and the rotating shaft passes through the inner ring of the bearing and is fixedly welded to the inner ring of the bearing.

Preferably, a mounting groove is formed on the bottom inner wall of the first through hole, a bearing seat is fixedly installed in the mounting groove, and the bottom end of the rotating shaft is rotatably mounted on the bearing seat.

Preferably, a third through hole is opened on the top inner wall of the placement cavity, and the hydraulic rod of the hydraulic cylinder moves through the third through hole and extends into the support sleeve.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, when the lifting platform is raised and lowered, the stepping motor works, and the stepping motor drives the rotation shaft to rotate, and the rotation of the rotation shaft drives the gear to rotate, and then the gear meshes with the rack, because the rack is fixedly installed on the positioning column , so the gear rotation drives the positioning column to move into the positioning slot and be clamped in the positioning slot, so that the lifting platform can be positioned more firmly through the positioning column after lifting, which is convenient for people to use and avoids potential safety hazards;

The utility model has the advantages of simple structure, strong practicability, firm support and positioning of the lifting platform after lifting, which is beneficial to people's use, and can effectively avoid safety accidents at the same time, meeting people's use needs.

Description of drawings

Fig. 1 is a structural schematic diagram of a vertical well lifting platform hydraulic support device proposed by the utility model;

FIG. 2 is an enlarged structural schematic diagram of part A in FIG. 1 .

In the figure: 1 support seat, 2 lifting platform, 3 lifting support rod, 4 positioning groove, 5 supporting sleeve, 6 hydraulic cylinder, 7 placing cavity, 8 third through hole, 9 fixing block, 10 positioning column, 11 second Through hole, 12 stepper motors, 13 bearings, 14 rotating shafts, 15 gears, 16 racks, 17 first through holes, 18 bearing blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figure 1-2, a hydraulic support device for a vertical shaft lifting platform, including a support base 1 and a lifting platform 2 above the support base 1, the support base 1 is provided with a placement cavity 7, and the bottom inner wall of the placement cavity 7 is fixedly installed with a Hydraulic cylinder 6, support sleeve 5 is fixedly installed on the top of support seat 1, lifting support rod 3 is slidingly installed in support sleeve 5, and the top of lifting support rod 3 extends to the top of support sleeve 5 and is connected with lifting platform 2 The bottom of the lifting support rod 3 is fixedly connected with the hydraulic rod of the hydraulic cylinder 6, and a fixed block 9 is fixedly installed on the top of one side of the support sleeve 5, and the first through hole 17 is provided on the fixed block 9. The side of the support bar 3 near the fixed block 9 is provided with a positioning groove 4, and a positioning column 10 is mounted on a movable card in the positioning groove 4, and one end of the positioning column 10 is movably extended into the first through hole 17, and is located in the first through hole 17. A rack 16 is fixedly installed on the positioning column 10 inside, and a gear 15 is meshed on the rack 16, and a rotating shaft 14 is fixedly sleeved on the gear 15, and the bottom end of the rotating shaft 14 is installed on the bottom inner wall of the first through hole 17. Above, the top of the fixed block 9 is fixed with a stepping motor 12, and the top of the rotating shaft 14 rotates and extends to the outside of the fixed block 9 and is fixedly connected with the output shaft of the stepping motor 12. The utility model has simple structure and strong practicability After the lifting platform 2 is lifted, the support and positioning are firm, which is beneficial to people's use, and can effectively avoid safety accidents at the same time, satisfying people's use needs.

Positioning groove 4 is provided with a plurality of, and a plurality of positioning grooves 4 equidistant intervals are arranged on the side of lifting support rod 3 near fixed block 9, and support sleeve 5 is provided with second on the side inner wall near first through hole 17. Through hole 11, the second through hole 11 communicates with the first through hole 17, and the positioning post 10 moves through the second through hole 11 and is slidably connected with the inner wall of the second through hole 11, the top inner wall of the first through hole 17 A mounting hole is provided, and the bearing 13 is fixedly sleeved in the mounting hole, and the rotating shaft 14 runs through the inner ring of the bearing 13 and is fixedly welded with the inner ring of the bearing 13. An installation groove is provided on the bottom inner wall of the first through hole 17, and the installation A bearing seat 18 is fixedly installed in the groove, and the bottom end of the rotating shaft 14 is rotatably mounted on the bearing seat 18. A third through hole 8 is provided on the top inner wall of the placement cavity 7, and the hydraulic rod of the hydraulic cylinder 6 runs through the third through hole. The through hole 8 extends into the support sleeve 5. The utility model has the advantages of simple structure and strong practicability. The support and positioning of the lifting platform 2 are firm after lifting, which is beneficial to people's use, and can effectively avoid the occurrence of safety accidents at the same time. people's needs.

In the utility model, in specific use, the lifting support rod 3 is driven up and down by the hydraulic cylinder 6, and the lifting support rod 3 drives the lifting platform 2 to lift, and the lifting platform 2 is lifted and lowered to work through the stepping motor 12, and the stepping motor 12 Drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates and drives the gear 15 to rotate, and then meshes with the rack 16 through the gear 15. Since the rack 16 is fixedly installed on the positioning column 10, the rotation of the gear 15 drives the positioning column 10 to the positioning groove 4 Move inside and be clamped in the positioning groove 4, so that the lifting platform 2 can be firmly positioned by the positioning column 10 after lifting like this, which is convenient for people to use, avoids the generation of potential safety hazards, and meets people's use needs.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A hydraulic support device for a shaft lifting platform, comprising a support base (1) and a lifting platform (2) positioned above the support base (1), characterized in that a placement cavity (7) is provided on the support base (1) ), a hydraulic cylinder (6) is fixedly installed on the bottom inner wall of the placement chamber (7), and a support sleeve (5) is fixedly installed on the top of the support seat (1), and the support sleeve (5) is The lifting support rod (3) is slidably installed, and the top of the lifting support rod (3) extends to the top of the support sleeve (5) and is fixedly connected with the bottom of the lifting platform (2). The bottom end is fixedly connected with the hydraulic rod of the hydraulic cylinder (6), and a fixed block (9) is fixedly installed on the top of one side of the support sleeve (5), and a first through hole (9) is opened on the fixed block (9). 17), the lifting support rod (3) is provided with a positioning groove (4) on the side close to the fixed block (9), and a positioning column (10) is mounted on the movable card in the positioning groove (4), and the positioning column ( One end of 10) is movably extended into the first through hole (17), and a rack (16) is fixedly installed on the positioning column (10) in the first through hole (17), and the gear rack (16) is engaged with There is a gear (15), the gear (15) is fixedly sleeved with a rotating shaft (14), and the bottom end of the rotating shaft (14) is rotatably mounted on the bottom inner wall of the first through hole (17). The top of the fixed block (9) is fixedly equipped with a stepper motor (12), and the top of the rotating shaft (14) rotates and extends to the outside of the fixed block (9) and is fixedly connected with the output shaft of the stepper motor (12). 2. A hydraulic support device for a vertical shaft lifting platform according to claim 1, characterized in that the positioning grooves (4) are provided with multiple positioning grooves (4), and the multiple positioning grooves (4) are equidistantly arranged on the lifting support rod (3) Close to the side of the fixed block (9). 3. A vertical shaft lifting platform hydraulic support device according to claim 1, characterized in that a second through hole ( 11), the second through hole (11) communicates with the first through hole (17), and the positioning column (10) moves through the second through hole (11) and slides with the inner wall of the second through hole (11) connect. 4. A hydraulic support device for a vertical shaft lifting platform according to claim 1, characterized in that, a mounting hole is opened on the top inner wall of the first through hole (17), and a bearing (13) is fixedly sleeved in the mounting hole ), and the rotating shaft (14) runs through the inner ring of the bearing (13) and is fixedly welded with the inner ring of the bearing (13). 5. A hydraulic support device for a vertical shaft lifting platform according to claim 1, characterized in that, a mounting groove is opened on the bottom inner wall of the first through hole (17), and a bearing seat (18) is fixedly installed in the mounting groove ), and the bottom end of the rotating shaft (14) is rotatably mounted on the bearing block (18). 6. A hydraulic support device for a vertical shaft lifting platform according to claim 1, characterized in that a third through hole (8) is opened on the top inner wall of the placement chamber (7), and the hydraulic cylinder (6) The hydraulic rod moves through the third through hole (8) and extends into the supporting sleeve (5).