CN213141265U

CN213141265U - Height positioning mechanism of lifter

Info

Publication number: CN213141265U
Application number: CN202021309727.5U
Authority: CN
Inventors: 王敏
Original assignee: Shandong Qiyang Hydraulic Technology Co ltd
Current assignee: Shandong Qiyang Hydraulic Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-07
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a machine height positioning mechanism lifts, include the base and lift the quick-witted body, lift quick-witted body and base fixed connection, the fixed motor that is provided with in both sides of the quick-witted body that lifts on the base, the fixed screw rod that is provided with on the output shaft of motor, screw rod external screw thread connection has the elevator, the inboard fixed positioning mechanism that is provided with of motor on the base, positioning mechanism include slide bar, slider, stopper and locating lever, the fixed locating plate that is provided with in both sides of the quick-witted body that lifts, the fixed controller that is provided with on the base, controller and motor electric connection. The utility model discloses a cooperation of motor and locating lever is used and is realized the effect of positioning height, can observe the scale that the locating lever instructed through the observation window simultaneously.

Description

Height positioning mechanism of lifter

Technical Field

The utility model relates to a machine of lifting technical field specifically is a machine of lifting height positioning mechanism.

Background

The automobile lifter is a mechanical device used for automobile lifting in the automobile maintenance industry. The lifting machine plays a vital role in automobile maintenance and repair, and is widely applied to various automobile maintenance plants. In the conventional technology, a worker starts the lifting machine, stops the lifting machine when reaching a certain height, then inserts the safety pin to ensure safety, and an operator cannot know the lifting height of the lifting machine specifically, only by means of personal experience, needs to insert and pull the safety pin frequently, and increases the workload.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machine height positioning mechanism lifts to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a height positioning mechanism of a lifter comprises a base and a lifter body, wherein the lifter body is fixedly connected with the base, motors are fixedly arranged on two sides of the lifter body on the base, screw rods are fixedly arranged on output shafts of the motors, lifting blocks are connected with the screw rods through external threads, a positioning mechanism is fixedly arranged on the inner side of each motor on the base, positioning plates are fixedly arranged on two sides of the lifter body, a controller is fixedly arranged on the base, and the controller is electrically connected with the motors;

the positioning mechanism comprises a sliding rod, a sliding block, a limiting block and a positioning rod, the sliding block is sleeved with the sliding rod and is fixedly connected with the lifting block, scales are carved on the surface of the sliding rod, a rotating groove is transversely formed in the limiting block and distributed at a certain angle along the horizontal direction, the positioning rod is arranged in the rotating groove along the horizontal direction and is hinged to the inner wall of the rotating groove, the positioning rod penetrates through the sliding block, a spring groove is formed in the upper side of the positioning rod in the rotating groove, a reset spring is arranged in the spring groove, and the bottom of the reset spring is fixedly connected with the positioning rod.

Preferably, an observation window is arranged on one side of the sliding block, and the observation window is of a fan-shaped structure.

Preferably, the panel is fixedly arranged in the observation window and is made of transparent acrylic materials.

Preferably, one side of the sliding block close to the limiting block is provided with a connecting groove matched with the rotating groove.

Preferably, the motor is a servo motor, and an output shaft of the motor is connected with the screw rod through a coupler.

Preferably, the rotating groove forms an angle of 30 degrees with the horizontal plane, and one end of the rotating groove close to the lifter body is higher than one end close to the motor.

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

1. the utility model discloses be provided with locating lever and rotation groove, at first control the motor through the controller and start, the motor drives the screw rod after starting and rotates, the rotation of screw rod drives the elevator upward movement, the elevator drives the slider upward movement along the slide bar, the slider motion drives the stopper motion, the stopper motion drives the locating lever motion, stop the motor when moving to a certain height, then start the machine body of lifting through the external switch, stop the machine of lifting when the machine of lifting moves to the locating plate upper end, control the machine of lifting and descend and make locating plate and locating lever upper portion surface contact, the rotation groove plays the effect of solid locating lever, make it can't rotate downwards, thereby hold the locating plate fixed plate, fix at a certain height, thereby accomplish the location to the machine height of lifting, the step of frequent plug safety catch has been saved simultaneously, work load has been reduced;

2. the utility model discloses be provided with the observation window simultaneously, can observe the directional scale of locating lever through the observation window, when reacing the height of settlement, the stop motor, the staff can observe the scale that the locating lever instructed through the observation window to can clearly know the height of machine of lifting.

Drawings

Fig. 1 is a schematic front structural view of a height positioning mechanism of a lifting machine of the present invention;

fig. 2 is a schematic top view of the height positioning mechanism of the lifting machine of the present invention;

fig. 3 is the utility model relates to a machine height positioning mechanism A department's structure enlarged schematic diagram lifts.

In the figure: 100. a base; 101. a lifter body; 102. a motor; 103. a screw; 104. a lifting block; 105. a positioning mechanism; 1051. a slide bar; 1052. a slider; 1053. a limiting block; 1054. positioning a rod; 1055. a rotating groove; 1056. a return spring; 1057. an observation window; 1058. a panel; 106. positioning a plate; 107. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a height positioning mechanism of a lifter comprises a base 100 and a lifter body 101, wherein the lifter body 101 is fixedly connected with the base 100, motors 102 are installed on two sides of the lifter body 101 on the base 100 through bolts, screw rods 103 are fixedly installed on output shafts of the motors 102, lifting blocks 104 are connected with the screw rods 103 through external threads, a positioning mechanism 105 is fixedly installed on the inner side of each motor 102 on the base 100, positioning plates 106 are welded on two sides of the lifter body 101, a controller 107 is installed on the base 100 through bolts, and the controller 107 is electrically connected with the motors 102;

the positioning mechanism 105 includes slide bar 1051, slider 1052, stopper 1053 and locating lever 1054, the slider 1052 cover is established outside with slide bar 1051, slider 1052 is close to motor 102 one side and lifting block 104 fixed connection, the scale is carved with on the slide bar 1051 surface, rotation groove 1055 has transversely been seted up in the stopper 1053, rotation groove 1055 is certain angular distribution for being with the horizontal direction, locating lever 1054 is installed and is rotated in the groove 1055 and articulated with rotation groove 1055 inner wall along the horizontal direction, locating lever 1054 runs through slider 1052, the spring groove has been seted up to the upside of locating lever 1054 in the rotation groove 1055, reset spring 1056 is installed to the spring inslot, reset spring 1056's bottom and locating lever 1054 fixed connection.

An observation window 1057 is arranged on one side of the slide block 1052, and the observation window 1057 is of a fan-shaped structure.

A panel 1058 is adhered in the observation window 1057, and the panel 1058 is made of transparent acrylic material.

One side of the slider 1052 close to the limit block 1053 is provided with a connecting groove matched with the rotating groove 1055.

The motor 102 is a servo motor, and an output shaft of the motor 102 is connected with the screw 103 through a coupler.

The angle between the rotating slot 1055 and the horizontal plane is 30 degrees, and the end of the rotating slot 1055 close to the lifter body 101 is higher than the end close to the motor 102.

The working principle is as follows: when the utility model is used, firstly the controller 107 controls the motor 102 to start, the motor 102 drives the screw 103 to rotate after being started, the rotation of the screw 103 drives the lifting block 104 to move upwards, the lifting block 104 drives the slider 1052 to move upwards along the sliding rod 1051, the slider 1052 moves to drive the stopper 1053 to move, the stopper 1053 moves to drive the positioning rod 1054 to move, the scale pointed by the positioning rod 1054 can be observed through the observation window 1057, when the set height is reached, the motor 102 is stopped, the staff can observe the scale pointed by the positioning rod 1054 through the observation window 1057, then the lifting machine body 101 is started through the external switch, the lifting machine body 101 moves upwards to drive the positioning plate 106 to move, when the positioning plate 106 passes through one end of the positioning rod 1054, the positioning rod 1054 is jacked up, the positioning rod 1054 rotates in the positioning groove, finally the inclination angle of the positioning rod 1054 is consistent with the inclination angle, locating lever 1054 breaks away from with locating plate 106, and the machine of lifting continues the upward movement, and locating lever 1054 resumes the horizontality again under reset spring 1056's effect, stops the machine of lifting this moment, and the control machine of lifting descends and makes locating plate 106 and locating lever 1054 upper portion surface contact, under the effect of rotating groove 1055, and locating lever 1054 can't rotate downwards to hold locating plate 106 fixed plate, fix at a take the altitude, thereby accomplish the location to the machine height of lifting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a machine height positioning mechanism lifts, includes base (100) and machine body (101) of lifting, its characterized in that: the lifting machine is characterized in that the lifting machine body (101) is fixedly connected with a base (100), motors (102) are fixedly arranged on two sides of the lifting machine body (101) on the base (100), screw rods (103) are fixedly arranged on output shafts of the motors (102), lifting blocks (104) are connected with the screw rods (103) through external threads, positioning mechanisms (105) are fixedly arranged on the inner sides of the motors (102) on the base (100), positioning plates (106) are fixedly arranged on two sides of the lifting machine body (101), a controller (107) is fixedly arranged on the base (100), and the controller (107) is electrically connected with the motors (102);

the positioning mechanism (105) comprises a sliding rod (1051), a sliding block (1052), a limiting block (1053) and a positioning rod (1054), the sliding block (1052) is sleeved outside the sliding rod (1051), one side of the sliding block (1052) close to the motor (102) is fixedly connected with the lifting block (104), scales are carved on the surface of the sliding rod (1051), a rotating groove (1055) is transversely arranged in the limiting block (1053), the rotating groove (1055) is distributed at a certain angle with the horizontal direction, the positioning rod (1054) is arranged in the rotating groove (1055) along the horizontal direction and is hinged with the inner wall of the rotating groove (1055), the positioning rod (1054) penetrates through the sliding block (1052), the upper side of the positioning rod (1054) in the rotating groove (1055) is provided with a spring groove, a return spring (1056) is arranged in the spring groove, and the bottom of the return spring (1056) is fixedly connected with the positioning rod (1054).

2. A lift height positioning mechanism as claimed in claim 1, wherein: an observation window (1057) is arranged on one side of the sliding block (1052), and the observation window (1057) is of a fan-shaped structure.

3. A lift height positioning mechanism as claimed in claim 2, wherein: the observation window (1057) internal fixation is provided with a panel (1058), the panel (1058) is transparent acrylic material.

4. A lift height positioning mechanism as claimed in claim 1, wherein: one side of the sliding block (1052) close to the limiting block (1053) is provided with a connecting groove matched with the rotating groove (1055).

5. A lift height positioning mechanism as claimed in claim 1, wherein: the motor (102) is a servo motor, and an output shaft of the motor (102) is connected with the screw rod (103) through a coupler.

6. A lift height positioning mechanism as claimed in claim 1, wherein: the angle between the rotating groove (1055) and the horizontal plane is 30 degrees, and one end of the rotating groove (1055) close to the lifter body (101) is higher than one end close to the motor (102).