CN208500232U - A kind of symmetrical mechanical locking mechanism of shearing type lifter - Google Patents

A kind of symmetrical mechanical locking mechanism of shearing type lifter Download PDF

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Publication number
CN208500232U
CN208500232U CN201820952553.0U CN201820952553U CN208500232U CN 208500232 U CN208500232 U CN 208500232U CN 201820952553 U CN201820952553 U CN 201820952553U CN 208500232 U CN208500232 U CN 208500232U
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China
Prior art keywords
locking
sliding
elevator
screw rod
cavity
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CN201820952553.0U
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Chinese (zh)
Inventor
李冬
吴峰
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German Union Technology Co Ltd
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German Union Technology Co Ltd
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Priority to CN201820952553.0U priority Critical patent/CN208500232U/en
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Abstract

The utility model discloses a kind of symmetrical mechanical locking mechanisms of shearing type lifter, including elevator pedestal, the top of the elevator pedestal is equipped with sliding groove, fixing seat is fixedly installed in the bottom interior wall of the sliding groove, the side of the fixing seat is equipped with the sliding shoe being slidably mounted in sliding groove, the fixing seat is fixedly installed with push-rod electric machine close to the side of sliding shoe, and the output shaft of push-rod electric machine is fixedly connected with sliding shoe, the top of the elevator pedestal is equipped with hoistable platform, the bottom both ends of the hoistable platform are rotatably connected to the first support arm, and two the first support arms intersect rotation connection, the bottom end of two the first support arms is rotatably connected to the second support arm respectively.The utility model is safe and reliable, and after hoistable platform has been lifted, in place height locking fix stably, hoistable platform is fallen hoistable platform after can preventing lifting machine from breaking down suddenly, avoids personal injury.

Description

A kind of symmetrical mechanical locking mechanism of shearing type lifter
Technical field
The utility model relates to shearing type lifter field more particularly to a kind of symmetrical mechanical locking mechanisms of shearing type lifter.
Background technique
Shearing type lifter is the motor vehicle repair machinery for automobile maintenance industry, is played in auto repair maintenance to pass Important role, the scissor jack in shearing type lifter are all the mechanical structure of relative symmetry setting.In existing technology, when Hoistable platform positions fixation built on the sand after increasing automobile, and there are security risks, for this reason, it is necessary to develop a kind of shearing type lifting The symmetrical mechanical locking mechanism of machine can prevent lifting machine from breaking down suddenly after vehicle lifting is got up using lockable mechanism Rear vehicle is fallen, and avoids personal injury.
Utility model content
Purpose of the utility model is to solve problems of the prior art, and propose a kind of shearing type lifter pair Claim mechanical locking mechanism.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of symmetrical mechanical locking mechanism of shearing type lifter, including elevator pedestal are set at the top of the elevator pedestal There is sliding groove, fixing seat is fixedly installed in the bottom interior wall of the sliding groove, the side of the fixing seat, which is equipped with, to be slidably installed In the sliding shoe in sliding groove, the fixing seat is fixedly installed with push-rod electric machine close to the side of sliding shoe, and push-rod electric machine Output shaft is fixedly connected with sliding shoe, and the top of the elevator pedestal is equipped with hoistable platform, the bottom two of the hoistable platform End is rotatably connected to the first support arm, and two the first support arms intersect rotation connection, the bottom end point of two the first support arms It is not rotatably connected to the second support arm, and two the second support arms intersect rotation connection, the bottom end difference of two the second support arms It being rotatablely connected with fixing seat and sliding shoe, the sliding shoe is equipped with cavity, it is slidably fitted with locking locating piece in the cavity, The bottom interior wall of the sliding groove is equipped with locking fixing groove, and the bottom end of locking locating piece is movably arranged in locking fixing groove, The cavity far from being slidably fitted with elevator on the side inner wall of push-rod electric machine, the elevator close to locking locating piece one Side is rotatably connected to connecting rod, and one end rotational installation of the connecting rod far from elevator is on the top of locking locating piece, institute It states elevator and is equipped with mounting hole, fixing sleeve is connected to screw rod bushing in mounting hole, and the screw rod bushing internal screw thread is connected with screw rod, described In in the top inner wall of cavity, the lower section of the elevator, which is equipped with, to be fixedly mounted in cavity bottom for the top rotational installation of screw rod Stepper motor on wall, the bottom end of the screw rod are fixedly connected with the output shaft of stepper motor.
Preferably, the inner wall of the screw rod bushing is equipped with internal screw thread, and the screw rod is equipped with external screw thread, and outer on screw rod Screw thread is threadedly coupled with the internal screw thread on screw rod bushing inner wall, and the elevator is equipped with the first limit far from the side of connecting rod and slides Block, the side wall of the cavity is equipped with the first limit sliding chutes to match with the first position limiting slide block, and the first position limiting slide block slides It is installed in the first limit sliding chutes.
Preferably, the bottom interior wall of the sliding groove is equipped with multiple locking fixing grooves, and multiple locking fixing grooves are equidistant It sows discord every setting.
Preferably, shaft coupling is fixed on the output shaft of the stepper motor, and stepper motor passes through shaft coupling and silk The bottom end of bar, which is installed, to be fixed.
Preferably, the top inner wall of the cavity is equipped with mounting groove, is fixedly installed with bearing block, and screw rod in mounting groove Top rotational installation on bearing block, the bottom interior wall of the cavity is equipped with sliding eye, and the sliding of locking locating piece runs through Sliding eye.
Preferably, the cavity is equipped with the second limit sliding chutes close to the side inner wall of push-rod electric machine, in cavity The side of locking locating piece is fixedly connected with the second position limiting slide block, and the second position limiting slide block is slidably connected with the second limit sliding chutes.
Compared with prior art, the utility model has the beneficial effects that driving silk by stepper motor in the utility model Bar rotation, screw rod merges with screw rod bushing matching is changed into linear motion for rotary motion, and screw rod bushing moves downward on screw rod, silk Rod set drives elevator to move downward, and drives locking locating piece to move downward by connecting rod when elevator moves downward, works as lock Only the bottom end of locating piece is moved downward in locking fixing groove, passes through the positioning of locking locating piece and locking fixing groove in this way Cooperation sliding shoe can be fixed in sliding groove, after sliding shoe is fixed also just the second support arm, the first support arm with And hoistable platform is fixed, and hoistable platform can be finally fixed on to required height securely;The utility model safely may be used It leans on, after hoistable platform lifting is got up, hoistable platform locking fix stably is gone up and down after can preventing lifting machine from breaking down suddenly Platform is fallen, and avoids personal injury.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of symmetrical mechanical locking mechanism of shearing type lifter structural schematic diagram;
Fig. 2 is the structural schematic diagram of part A amplification in Fig. 1;
Fig. 3 be the utility model proposes a kind of symmetrical mechanical locking mechanism of shearing type lifter in sliding shoe and locking position The attachment structure schematic diagram of block.
In figure: 1 elevator pedestal, 2 sliding grooves, 3 fixing seats, 4 sliding shoes, 5 push-rod electric machines, 6 second support arms, 7 first Support arm, 8 hoistable platforms, 9 locking fixing grooves, 10 locking locating pieces, 11 cavitys, 12 elevators, 13 connecting rods, 14 steppings electricity Machine, 15 shaft couplings, 16 screw rods, 17 screw rod bushings, 18 first position limiting slide blocks, 19 first limit sliding chutes, 20 bearing blocks, 21 second limits Sliding block, 22 second limit sliding chutes, 23 sliding eyes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-3, the symmetrical mechanical locking mechanism of a kind of shearing type lifter, including elevator pedestal 1, elevator pedestal 1 Top be equipped with sliding groove 2, fixing seat 3 is fixedly installed in the bottom interior wall of sliding groove 2, the side of fixing seat 3 is equipped with sliding The sliding shoe 4 being installed in sliding groove 2, fixing seat 3 are fixedly installed with push-rod electric machine 5, and push rod electricity close to the side of sliding shoe 4 The output shaft of machine 5 is fixedly connected with sliding shoe 4, and the top of elevator pedestal 1 is equipped with hoistable platform 8, the bottom two of hoistable platform 8 End is rotatably connected to the first support arm 7, and two the first support arms 7 intersect rotation connection, the bottom end of two the first support arms 7 It is rotatably connected to the second support arm 6 respectively, and two the second support arms 6 intersect rotation connection, the bottom end of two the second support arms 6 It is rotatablely connected respectively with fixing seat 3 and sliding shoe 4, sliding shoe 4 is equipped with cavity 11, and locking positioning is slidably fitted in cavity 11 The bottom interior wall of block 10, sliding groove 2 is equipped with locking fixing groove 9, and the bottom end of locking locating piece 10 is movably arranged at locking and fixes In slot 9, cavity 11 is positioned far from elevator 12, elevator 12 is slidably fitted on the side inner wall of push-rod electric machine 5 close to locking The side of block 10 is rotatably connected to connecting rod 13, and connecting rod 13 is rotatablely installed far from one end of elevator 12 in locking locating piece 10 Top on, elevator 12 is equipped with mounting hole, and fixing sleeve is connected to screw rod bushing 17 in mounting hole, and 17 internal screw thread of screw rod bushing is connected with Screw rod 16, in the top inner wall of cavity 11, the lower section of elevator 12, which is equipped with, to be fixedly mounted on for the top rotational installation of screw rod 16 The bottom end of stepper motor 14 in 11 bottom interior wall of cavity, screw rod 16 is fixedly connected with the output shaft of stepper motor 14, this is practical Novel economizer is practical, and securely and reliably, after the lifting of hoistable platform 8 is got up, the height locking where hoistable platform 8 is fixed steady Gu hoistable platform 8 is fallen after can preventing lifting machine from breaking down suddenly, personal injury is avoided.
The inner wall of screw rod bushing 17 is equipped with internal screw thread, and screw rod 16 is equipped with external screw thread, and external screw thread and silk on screw rod 16 Internal screw thread on 17 inner wall of rod set is threadedly coupled, and elevator 12 is equipped with the first position limiting slide block 18 far from the side of connecting rod 13, empty The side wall of chamber 11 is equipped with the first limit sliding chutes 19 to match with the first position limiting slide block 18, and the first position limiting slide block 18 sliding peace Loaded in the first limit sliding chutes 19, the bottom interior wall of sliding groove 2 is equipped with multiple locking fixing grooves 9, and multiple locking fixing grooves 9 It is equidistantly spaced, shaft coupling 15 is fixed on the output shaft of stepper motor 14, and stepper motor 14 passes through shaft coupling 15 It installs and fixes with the bottom end of screw rod 16, the top inner wall of cavity 11 is equipped with mounting groove, is fixedly installed with bearing block in mounting groove 20, and the top rotational installation of screw rod 16, on bearing block 20, the bottom interior wall of cavity 11 is equipped with sliding eye 23, and locking is fixed The position sliding of block 10 runs through sliding eye 23, and cavity 11 is equipped with the second limit sliding chutes 22 close to the side inner wall of push-rod electric machine 5, is located at The side of locking locating piece 10 in cavity 11 is fixedly connected with the second position limiting slide block 21, and the second position limiting slide block 21 and the second limit Position sliding slot 22 is slidably connected, and the utility model is economical and practical, securely and reliably, after the lifting of hoistable platform 8 is got up, hoistable platform 8 The height locking at place is fixed to be consolidated, and hoistable platform 8 is fallen after can preventing lifting machine from breaking down suddenly, avoids people Member's injury.
In the utility model, in use, the output shaft contraction by push-rod electric machine 5 can drive sliding shoe 4 to fixing seat 3 Direction is mobile, and sliding shoe 4 is intersected by two the second support arms 6 to be rotated to drive two the first support arms 7 to intersect and rotate, and two First support arm 7 intersects rotation and drives hoistable platform 8 to rise again, when needing fixed to the height locking of hoistable platform 8, passes through Stepper motor 14 drives screw rod 16 to rotate, and screw rod 16 merges with the matching of screw rod bushing 17 is changed into linear motion, silk for rotary motion Rod set 17 moves downward on screw rod 16, and screw rod bushing 17 drives elevator 12 to move downward, and elevator 12 also passes through the first limit Sliding block 18 slides in the first limit sliding chutes 19, at the same time, drives locking by connecting rod 13 when elevator 12 moves downward Locating piece 10 moves downward, and when the bottom end of locking locating piece 10 is moved downward in locking fixing groove 9, passes through locking in this way Locating piece 10 and the location fit of locking fixing groove 9 can be fixed on sliding shoe 4 in sliding groove 2, after sliding shoe 4 is fixed Also just the second support arm 6, the first support arm 7 and hoistable platform 8 are fixed, finally can be securely consolidated hoistable platform 8 It is scheduled on required height, so as to people's use.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of symmetrical mechanical locking mechanism of shearing type lifter, including elevator pedestal (1), which is characterized in that the elevator The top of pedestal (1) is equipped with sliding groove (2), is fixedly installed with fixing seat (3) in the bottom interior wall of the sliding groove (2), described The side of fixing seat (3) is equipped with the sliding shoe (4) being slidably mounted in sliding groove (2), and the fixing seat (3) is close to sliding shoe (4) side is fixedly installed with push-rod electric machine (5), and the output shaft of push-rod electric machine (5) is fixedly connected with sliding shoe (4), described The top of elevator pedestal (1) is equipped with hoistable platform (8), and the bottom both ends of the hoistable platform (8) are rotatably connected to first Support arm (7), and two the first support arms (7) intersect rotation connection, the bottom end of two the first support arms (7) is rotatablely connected respectively Have the second support arm (6), and two the second support arms (6) intersect rotation connection, the bottom end of two the second support arms (6) respectively with Fixing seat (3) and sliding shoe (4) rotation connection, the sliding shoe (4) are equipped with cavity (11), sliding peace in the cavity (11) Equipped with locking locating piece (10), the bottom interior wall of the sliding groove (2) is equipped with locking fixing groove (9), and locking locating piece (10) bottom end is movably arranged in locking fixing groove (9), is slided on the side inner wall of the cavity (11) separate push-rod electric machine (5) It being equipped with elevator (12), the elevator (12) is rotatably connected to connecting rod (13) close to the side of locking locating piece (10), One end rotational installation of the connecting rod (13) far from elevator (12) is on the top of locking locating piece (10), the elevator (12) it is equipped with mounting hole, fixing sleeve is connected to screw rod bushing (17) in mounting hole, and screw rod bushing (17) internal screw thread is connected with screw rod (16), the top of the screw rod (16) is rotatablely installed in the top inner wall of cavity (11), is set below the elevator (12) There are the stepper motor (14) being fixedly mounted in cavity (11) bottom interior wall, the bottom end and stepper motor (14) of the screw rod (16) Output shaft be fixedly connected.
2. the symmetrical mechanical locking mechanism of a kind of shearing type lifter according to claim 1, which is characterized in that the screw rod bushing (17) inner wall is equipped with internal screw thread, and the screw rod (16) is equipped with external screw thread, and external screw thread and screw rod bushing on screw rod (16) (17) internal screw thread on inner wall is threadedly coupled, and the elevator (12) is equipped with the first position limiting slide block far from the side of connecting rod (13) (18), the side wall of the cavity (11) is equipped with the first limit sliding chutes (19) for matching with the first position limiting slide block (18), and the One position limiting slide block (18) is slidably mounted in the first limit sliding chutes (19).
3. the symmetrical mechanical locking mechanism of a kind of shearing type lifter according to claim 1, which is characterized in that the sliding groove (2) bottom interior wall is equipped with multiple locking fixing grooves (9), and multiple locking fixing grooves (9) are equidistantly spaced.
4. the symmetrical mechanical locking mechanism of a kind of shearing type lifter according to claim 1, which is characterized in that the stepping electricity It is fixed on the output shaft of machine (14) shaft coupling (15), and stepper motor (14) passes through the bottom of shaft coupling (15) and screw rod (16) End installation is fixed.
5. the symmetrical mechanical locking mechanism of a kind of shearing type lifter according to claim 1, which is characterized in that the cavity (11) top inner wall is equipped with mounting groove, is fixedly installed with bearing block (20) in mounting groove, and the top rotation of screw rod (16) It is installed on bearing block (20), the bottom interior wall of the cavity (11) is equipped with sliding eye (23), and locking locating piece (10) is sliding It is dynamic to run through sliding eye (23).
6. the symmetrical mechanical locking mechanism of a kind of shearing type lifter according to claim 1, which is characterized in that the cavity (11) the side inner wall close to push-rod electric machine (5) is equipped with the second limit sliding chutes (22), the locking positioning being located in cavity (11) The side of block (10) is fixedly connected with the second position limiting slide block (21), and the second position limiting slide block (21) and the second limit sliding chutes (22) are sliding Dynamic connection.
CN201820952553.0U 2018-06-20 2018-06-20 A kind of symmetrical mechanical locking mechanism of shearing type lifter Active CN208500232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820952553.0U CN208500232U (en) 2018-06-20 2018-06-20 A kind of symmetrical mechanical locking mechanism of shearing type lifter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820952553.0U CN208500232U (en) 2018-06-20 2018-06-20 A kind of symmetrical mechanical locking mechanism of shearing type lifter

Publications (1)

Publication Number Publication Date
CN208500232U true CN208500232U (en) 2019-02-15

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CN201820952553.0U Active CN208500232U (en) 2018-06-20 2018-06-20 A kind of symmetrical mechanical locking mechanism of shearing type lifter

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110217722A (en) * 2019-05-31 2019-09-10 宝鸡石油机械有限责任公司 A kind of rail mounted lifting mechanism
CN110303349A (en) * 2019-07-10 2019-10-08 扬州市艾力达机电制造有限公司 A kind of track-type facilities of water groove cutting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110217722A (en) * 2019-05-31 2019-09-10 宝鸡石油机械有限责任公司 A kind of rail mounted lifting mechanism
CN110303349A (en) * 2019-07-10 2019-10-08 扬州市艾力达机电制造有限公司 A kind of track-type facilities of water groove cutting machine

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