CN213416194U

CN213416194U - Pit protection equipment of self-walking scissor-type movable lifting platform

Info

Publication number: CN213416194U
Application number: CN202021710630.5U
Authority: CN
Inventors: 王四山; 姜海滨; 朱光磊
Original assignee: Shandong Anda Heavy Industry Machinery Group Co ltd
Current assignee: Shandong Anda Heavy Industry Machinery Group Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-11
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a from walking cut fork removal lift platform's pothole protection equipment, the on-line screen storage device comprises a base, the both sides of base bottom surface are equipped with the wheel respectively, the top surface of base is equipped with cuts fork elevating gear, first recess is seted up to the bottom surface of base, the upper end of electric putter of fixed connection respectively in the both sides of the top surface of first recess, the common fixed connection horizontal plate's of lower extreme top surface of electric putter, horizontal plate and first recess sliding fit, the second recess is seted up respectively in the front of horizontal plate and at the back, the third recess is seted up respectively in the both sides of horizontal plate, the bottom surface of second recess and third recess all communicates with each other with the external. When horizontal plate, first bar board, second bar board reset, formed the cavity between the top surface of horizontal plate and the first recess inner wall, can regard as the space of storing to use, can place articles for use such as maintenance tool, improve the utility model discloses a utilization ratio, the use of person of facilitating the use.

Description

Pit protection equipment of self-walking scissor-type movable lifting platform

Technical Field

The utility model belongs to the lift platform field, specifically speaking are a from hole protective apparatus that walking cut fork removal lift platform.

Background

Lift platform is the product that serves each industry high altitude construction, equipment fixing, mobility high altitude construction such as maintenance, stability under the high altitude construction state in order to guarantee platform operation, need provide more stable support for operation platform through the landing leg structure, current landing leg structure installation is comparatively complicated however, lead to its assembly efficiency low, when meetting the ground that has the hole, because the area of contact of supporting leg and ground is limited, the supporting leg gets into in the hole easily when meetting the hole, lead to lift platform to take place to rock inadequately stably, lift platform's stability has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a from walking cut fork removal lift platform's pothole protection equipment for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a pit hole protection device of a self-walking scissor-type movable lifting platform comprises a base, wherein wheels are respectively arranged on two sides of the bottom surface of the base, a scissor-type lifting device is arranged on the top surface of the base, a first groove is formed in the bottom surface of the base, the upper end of an electric push rod is respectively fixedly connected to two sides of the top surface of the first groove, the lower end of the electric push rod is jointly and fixedly connected with the top surface of a horizontal plate, the horizontal plate is in sliding fit with the first groove, a second groove is formed in the front surface and the rear surface of the horizontal plate respectively, a third groove is formed in each side of the horizontal plate respectively, the bottom surfaces of the second groove and the third groove are communicated with the outside, a rectangular groove is formed in the horizontal plate, first through holes are respectively formed in the front surface and the rear surface of the rectangular groove, second through holes are respectively formed in two sides of the rectangular groove, a third through hole is formed in the, second screw rods are respectively and axially mounted in the second through holes, the thread directions of the two second screw rods are opposite, a square rod is mounted in a third through hole through a bearing, a first bevel gear is fixedly mounted at the lower end of the square rod, second bevel gears meshed with the first bevel gears are respectively and fixedly mounted at the inner ends of the first screw rods and the second screw rods, a first strip-shaped plate is respectively and movably mounted in a second groove, a second strip-shaped plate is respectively and movably mounted in a third groove, first screw holes are respectively formed in the front of the first strip-shaped plate, the first screw holes are respectively in threaded fit with the corresponding first screw rods, second screw holes are respectively formed in one sides of the second strip-shaped plates, the second screw holes are respectively in threaded fit with the corresponding second screw rods, and a power device is arranged on the periphery of the square rod and can enable.

As above a from walking cut fork removal lift platform's pothole protection equipment, power device include the cylinder, the square hole is seted up to the top surface of cylinder, the upper end of square bar passes in the square hole, the periphery of square bar and the inner wall contact cooperation of square hole, the bottom surface of bearing rotation connection ring is passed through to the top surface of cylinder, the top surface fixed connection of support and first recess is passed through to the both sides of ring, the lower extreme of one side fixed connection rack of horizontal plate top surface, the upper end of one side fixed connection riser of first recess top surface, the upper portion of the axle sleeve periphery that the lower extreme fixed connection level of riser set up, the periphery fixed mounting third bevel gear of cylinder, axle sleeve inner bearing installation pivot, the one end fixed mounting and the fourth bevel gear of third bevel gear engaged with, the other end fixed mounting and the rack engaged with gear of pivot.

According to the pit protection equipment for the self-walking scissor-fork type movable lifting platform, the bottom surfaces of the horizontal plate, the first strip-shaped plate and the second strip-shaped plate are fixedly provided with the plurality of rollers through the wheel carrier.

According to the pit protection equipment for the self-walking scissor-fork type movable lifting platform, the first sliding grooves are formed in the two sides of the second groove respectively, the second sliding grooves are formed in the front and the back of the third groove respectively, the first sliding blocks in sliding fit with the first sliding grooves are arranged in the first sliding grooves respectively, the second sliding blocks in sliding fit with the second sliding grooves are arranged in the second sliding grooves respectively, the two sides of the first strip-shaped plate are fixedly connected with one side, opposite to the corresponding first sliding blocks, of the first strip-shaped plate respectively, and the front and the back of the second strip-shaped plate are fixedly connected with one side, opposite to the corresponding second sliding blocks, of the second strip-shaped plate respectively.

According to the pit protection equipment for the self-walking scissor-fork type movable lifting platform, the controller is fixedly installed on one side of the base and is connected with the electric push rod circuit.

The utility model has the advantages that: when the utility model is in an initial state, the electric push rods are all in a completely contracted state, the horizontal plate is positioned in the first groove at the moment, when the electric push rods meet a pot hole (the small depression which can not cause the wheel to sink on the road surface), a user can electrify the electric push rods and then extend the electric push rods, the electric push rods drive the horizontal plate to move downwards when extending, meanwhile, the power device drives the square rods to rotate, the square rods drive the corresponding first screw rods and the second screw rods to synchronously rotate through the first bevel gears and the second bevel gears, the corresponding first strip plates move outwards the corresponding first grooves at the moment, the corresponding second strip plates move outwards the corresponding second grooves, when the first grooves and the second grooves on the periphery of the horizontal plates are positioned outside the first grooves, the first strip plates start to move outwards the corresponding first grooves, the second strip plates start to move outwards the corresponding second grooves, as shown in the figure, when the electric push rods completely extend, the bottom surface of the horizontal plates is coplanar with the bottom of the periphery of the wheel (the horizontal plates are in contact with the ground), at the moment, the first strip-shaped plate and the second strip-shaped plate are both unfolded, one part of the first strip-shaped plate is positioned in the corresponding first groove, the other part of the first strip-shaped plate is positioned outside the corresponding second groove, one part of the second strip-shaped plate is positioned in the corresponding second groove, when the lifting platform passes through the pot hole, the horizontal plate, the first strip-shaped plate and the second strip-shaped plate are all in contact with the ground, so that the base is supported, the wheel passing through the pot hole is in a suspended state and cannot fall into the pot hole, and the stability of the lifting platform during moving is ensured When the second bar board expandes, the horizontal plate, first bar board, the second bar board can provide the support to the base on a plurality of directions, with the horizontal plate when need not removing the base, first bar board, the stability of base when the second bar board expandes and can improve high altitude construction, protection user's safety, when the horizontal plate, first bar board, the second bar board resets, form the cavity between the top surface of horizontal plate and the first recess inner wall, can regard as the space of storing to use, can place articles for use such as maintenance tool, improve the utility model discloses a utilization ratio, the person of facilitating the use's use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 in the view direction; FIG. 3 is an enlarged view of section I of FIG. 2; FIG. 4 is an enlarged view of a portion II of FIG. 1; fig. 5 is a partially enlarged view of iii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A pit protection device of a self-walking scissor-type movable lifting platform comprises a base 1, wherein wheels 2 are respectively arranged on two sides of the bottom surface of the base 1, a scissor-type lifting device 3 is arranged on the top surface of the base 1, the scissor-type lifting device 3 is connected with a power circuit, a first groove 4 is formed in the bottom surface of the base 1, the two sides of the top surface of the first groove 4 are respectively and fixedly connected with the upper end of an electric push rod 5, the electric push rod 5 is connected with the power circuit, the lower end of the electric push rod 5 is jointly and fixedly connected with the top surface of a horizontal plate 6, the horizontal plate 6 is in sliding fit with the first groove 4, a second groove 7 is respectively formed in the front and the back of the horizontal plate 6, third grooves 8 are respectively formed in two sides of the horizontal plate 6, the bottom surfaces of the second groove 7 and the third grooves 8 are both communicated with the outside, a rectangular groove 9 is formed in the horizontal plate 6, and, the two sides of the rectangular groove 9 are respectively provided with a second through hole 11, the top surface of the rectangular groove 9 is provided with a third through hole 12, the first through hole 10 is internally provided with a first screw 13, the two ends of the first screw 13 are respectively positioned outside the corresponding first through holes 10, the thread directions of the two first screws 13 are opposite, the second through holes 11 are internally provided with second screws 14, the two ends of the second screws 14 are respectively positioned outside the corresponding second through holes 11, the thread directions of the two second screws 14 are opposite, the third through holes 12 are internally provided with square rods 15, the lower ends of the square rods 15 are fixedly provided with first bevel gears 16, the inner ends of the first screws 13 and the second screws 14 are respectively fixedly provided with second bevel gears 17 meshed with the first bevel gears 16, the first bevel gears 16 and the second bevel gears 17 are both positioned in the rectangular groove 9, the second grooves 7 are respectively and movably provided with first strip plates 18, and the third grooves 8 are respectively and movably provided with second strip plates 19, the bottom surface of the first strip-shaped plate 18 and the bottom surface of the second strip-shaped plate 9 can be flush with the bottom of the wheel 2, a first screw hole 20 is formed in the front of the first strip-shaped plate 18 respectively, the first screw hole 20 is in threaded fit with the corresponding first screw 13 respectively, a second screw hole 21 is formed in one side of the second strip-shaped plate 19 respectively, the second screw hole 21 is in threaded fit with the corresponding second screw 14 respectively, a power device is arranged on the periphery of the square rod 15, and the power device can enable the square rod 15 to rotate. When the novel electric bicycle is in an initial state, the electric push rod 5 is in a completely contracted state, the horizontal plate 6 is positioned in the first groove 4 at the moment, when the novel electric bicycle meets a pot hole (a small depression which can not cause the wheel 2 to sink into the road surface), a user enables the electric push rod 5 to be electrified and then extends, the electric push rod 5 drives the horizontal plate 6 to move downwards when extending, meanwhile, the power device enables the square rod 15 to rotate, the square rod 15 drives the corresponding first screw 13 and the second screw 14 to synchronously rotate through the first bevel gear 16 and the second bevel gear 17, the corresponding first strip-shaped plate 18 moves towards the outside of the corresponding first groove 7, the corresponding second strip-shaped plate 19 moves towards the outside of the corresponding second groove 8, when the first groove 7 and the second groove 8 on the periphery of the horizontal plate 6 are positioned towards the outside of the first groove 4, the first strip-shaped plate 18 starts to move towards the outside of the corresponding first groove 7, and the second strip-shaped plate 19 starts to move towards the outside of the corresponding second groove 8, as shown in fig. 2, when the electric push rod 5 is fully extended, the bottom surface of the horizontal plate 6 is coplanar with the bottom of the periphery of the wheel 2 (the horizontal plate 6 is in contact with the ground), at this time, the first strip-shaped plate 18 and the second strip-shaped plate 19 are both unfolded, one part of the first strip-shaped plate 18 is located in the corresponding first groove 7, the other part of the first strip-shaped plate 18 is located outside the corresponding first groove 7, one part of the second strip-shaped plate 19 is located in the corresponding second groove 8, the other part of the second strip-shaped plate is located outside the corresponding second groove 8, when passing through the pothole, the horizontal plate 6, the first strip-shaped plate 18 and the second strip-shaped plate 19 are all in contact with the ground, so as to support the base 1, the wheel passing through the pothole is in a suspended state and cannot fall into the pothole, thereby ensuring the stability when the lifting platform moves, through the mutual cooperation among the electric push rod 5, the horizontal plate 6, can improve the contact area between the base 1 and the ground so as to provide more stable support for the base 1, ensure that the wheels 1 can be more stable when passing through the pot hole, when the horizontal plate 6, the first strip-shaped plate 7 and the second strip-shaped plate 8 are unfolded, the horizontal plate 6, the first strip-shaped plate 7 and the second strip-shaped plate 8 can provide support for the base 1 in multiple directions, when the base 1 does not need to be moved, the horizontal plate 6, the first strip-shaped plate 7 and the second strip-shaped plate 8 are unfolded, so that the stability of the base 1 during high-altitude operation can be improved, the safety of a user is protected, when the horizontal plate 6, the first strip-shaped plate 7 and the second strip-shaped plate 8 are reset, a cavity is formed between the top surface of the horizontal plate 6 and the inner wall of the first groove 4, can regard as the space of storing to use, can place articles for use such as repair tools, improve the utility model discloses a utilization ratio, the person's of facilitating the use.

Specifically, as shown in fig. 1 and 4, the power device according to the present embodiment includes a cylinder 22, a square hole 23 is formed in a top surface of the cylinder 22, an upper end of a square rod 15 passes through the square hole 23, an outer periphery of the square rod 15 is in contact fit with an inner wall of the square hole 23, the square rod 15 can move up and down along the square hole 23, the top surface of the cylinder 22 is rotatably connected to a bottom surface of a circular ring 24 through a bearing, the square rod 15 passes through the circular ring 24, two sides of the circular ring 24 are fixedly connected to a top surface of a first groove 4 through a bracket 25, one side of a top surface of a horizontal plate 6 is fixedly connected to a lower end of a rack 27, one side of the top surface of the first groove 4 is fixedly connected to an upper end of a vertical plate 28, a lower end of the vertical plate 28 is fixedly connected to an upper portion of an outer periphery of a horizontally disposed shaft sleeve 29, the shaft sleeve 29 is located between the rack 27 and the square rod 15, a third bevel gear 30 is fixedly mounted on, the other end of the rotating shaft 31 is fixedly provided with a gear 33 engaged with the rack 27. The electric push rod 5 drives the horizontal plate 6 connected with the electric push rod to synchronously move downwards when being stretched, the horizontal plate 6 drives the rack 27 to move downwards, at the moment, the gear 33 drives the column body 22 to rotate through the rotating shaft 31, the third bevel gear 30 and the fourth bevel gear 32, and the periphery of the square rod 15 is in contact fit with the inner wall of the square hole 23, so that the square rod 15 is driven to synchronously rotate when the column body 22 rotates, a power device does not need to be additionally installed, and the production cost is reduced.

Specifically, as shown in fig. 1, a plurality of rollers 38 are fixedly mounted on the bottom surfaces of the horizontal plate 6, the first strip-shaped plate 18 and the second strip-shaped plate 19 through a wheel carrier. When electric putter 5 extends completely, the periphery bottom of gyro wheel 38 and the periphery bottom coplane of wheel 2, gyro wheel 38 and bottom surface contact this moment, this structural design can reduce the frictional force between first strip board 18, second strip board 19 and the ground, the removal of this device of being convenient for, horizontal plate 6, first strip board 18 and second strip board 19 and ground direct contact can be avoided to gyro wheel 38 to prevent that subaerial rubbish from falling into the top surface of horizontal plate 6, first strip board 18 and second strip board 19 owing to the promotion of horizontal plate 6, first strip board 18 and second strip board 19.

Further, as shown in fig. 2, in the embodiment, first sliding grooves 34 are respectively formed in two sides of the second groove 7, second sliding grooves 35 are respectively formed in the front and the rear of the third groove 8, first sliding blocks 36 in sliding fit with the first sliding grooves 34 are respectively arranged in the first sliding grooves 34, the first sliding blocks 36 are always located in the corresponding first sliding grooves 34, second sliding blocks 37 in sliding fit with the second sliding grooves 35 are respectively arranged in the second sliding grooves 35, the second sliding blocks 37 are always located in the corresponding second sliding grooves 35, two sides of the first strip-shaped plate 18 are respectively fixedly connected with one side of the first strip-shaped plate opposite to the corresponding first sliding blocks 36, and the front and the rear of the second strip-shaped plate 19 are respectively fixedly connected with one side of the second strip-shaped plate opposite to the corresponding second sliding blocks 37. First slider 36 can play the effect of support to corresponding first strip-shaped plate 18, prevents that first strip-shaped plate 18 atress from leading to damaging excessively, and second slider 37 can play the effect of support to corresponding second strip-shaped plate 19, prevents that second strip-shaped plate 19 atress from leading to damaging excessively, improves the utility model discloses a reliability.

Furthermore, as shown in fig. 1, a controller 26 is fixedly installed on one side of the base 1, the controller 26 is connected with a power circuit, and the controller 26 is connected with the electric push rod 5. The user can control the electric push rod 5 through the controller 26, and can extend or retract the electric push rod 5, so that the use of the user is facilitated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a from walking cut fork removal lift platform's pothole protection equipment, includes base (1), and the both sides of base (1) bottom surface are equipped with wheel (2) respectively, and the top surface of base (1) is equipped with cuts fork elevating gear (3), its characterized in that: the bottom surface of the base (1) is provided with a first groove (4), two sides of the top surface of the first groove (4) are respectively and fixedly connected with the upper end of an electric push rod (5), the lower end of the electric push rod (5) is jointly and fixedly connected with the top surface of a horizontal plate (6), the horizontal plate (6) is in sliding fit with the first groove (4), the front surface and the back surface of the horizontal plate (6) are respectively provided with a second groove (7), two sides of the horizontal plate (6) are respectively provided with a third groove (8), the bottom surfaces of the second groove (7) and the third groove (8) are both communicated with the outside, the horizontal plate (6) is internally provided with a rectangular groove (9), the front surface and the back surface of the rectangular groove (9) are respectively provided with a first through hole (10), two sides of the rectangular groove (9) are respectively provided with a second through hole (11), the top surface of the rectangular groove (9) is provided with a third through hole (12), and a first screw, the thread directions of the two first screw rods (13) are opposite, the second screw rods (14) are respectively arranged in the second through holes (11) through bearings, the thread directions of the two second screw rods (14) are opposite, the square rods (15) are arranged in the third through holes (12) through bearings, the first bevel gears (16) are fixedly arranged at the lower ends of the square rods (15), the inner ends of the first screw rods (13) and the second screw rods (14) are respectively fixedly provided with second bevel gears (17) meshed with the first bevel gears (16), the first strip plates (18) are respectively movably arranged in the second grooves (7), the second strip plates (19) are respectively movably arranged in the third grooves (8), the first screw holes (20) are respectively formed in the front of the first strip plates (18), the first screw holes (20) are respectively in threaded fit with the corresponding first screw rods (13), the second screw holes (21) are respectively formed in one sides of the second strip plates (19), the second screw holes (21) are respectively in threaded fit with the corresponding second screw rods (14), and a power device is arranged on the periphery of the square rod (15) and can enable the square rod (15) to rotate.

2. A pothole protection device from a walking scissor type mobile lift platform according to claim 1, wherein: the power device comprises a cylinder body (22), a square hole (23) is formed in the top surface of the cylinder body (22), the upper end of a square rod (15) penetrates through the square hole (23), the periphery of the square rod (15) is in contact fit with the inner wall of the square hole (23), the top surface of the cylinder body (22) is rotatably connected with the bottom surface of a circular ring (24) through a bearing, two sides of the circular ring (24) are fixedly connected with the top surface of a first groove (4) through a support (25), one side of the top surface of a horizontal plate (6) is fixedly connected with the lower end of a rack (27), one side of the top surface of the first groove (4) is fixedly connected with the upper end of a vertical plate (28), the lower end of the vertical plate (28) is fixedly connected with the upper part of the periphery of a horizontally arranged shaft sleeve (29), a third bevel gear (30) is fixedly arranged on the periphery of the cylinder body (22), a rotating shaft (31) is arranged in the shaft sleeve (29) in a bearing manner, and, the other end of the rotating shaft (31) is fixedly provided with a gear (33) meshed with the rack (27).

3. A pothole protection device from a walking scissor type mobile lift platform according to claim 1, wherein: the bottom surfaces of the horizontal plate (6), the first strip-shaped plate (18) and the second strip-shaped plate (19) are fixedly provided with a plurality of rollers (38) through wheel carriers.

4. A pothole protection device from a walking scissor type mobile lift platform according to claim 1, wherein: first sliding grooves (34) are formed in two sides of the second groove (7) respectively, second sliding grooves (35) are formed in the front and the back of the third groove (8) respectively, first sliding blocks (36) in sliding fit with the first sliding grooves (34) are arranged in the first sliding grooves respectively, second sliding blocks (37) in sliding fit with the second sliding grooves (35) are arranged in the second sliding grooves respectively, two sides of the first strip-shaped plate (18) are fixedly connected with one side, opposite to the corresponding first sliding blocks (36), of the second strip-shaped plate (19), and the front and the back of the second strip-shaped plate (19) are fixedly connected with one side, opposite to the corresponding second sliding blocks (37), of the second strip-shaped plate.

5. A pothole protection device from a walking scissor type mobile lift platform according to claim 1, wherein: and a controller (26) is fixedly arranged on one side of the base (1), and the controller (26) is in circuit connection with the electric push rod (5).