CN211644522U - A manned lift for subway construction - Google Patents

Abstract

The utility model discloses a manned lift for subway construction, which particularly relates to the field of subway construction. Side plates are connected at both sides of the coil, and winding reels are installed on the top of the two side plates. The end of the wire rope is connected with a collar at the position above the end of the lifting platform, the top of the two ends of the lifting platform is connected with a lifting ring at the bottom position of the collar, and both ends of the lifting platform are provided with fixed The interior of the fixed cavity is equipped with a gear. The utility model can realize the lifting and lowering of the lifting platform and improve the stability of the lifting platform during lifting, and during the use process, the contact area between the bottom of the lifter and the ground is increased, the stability during use is improved, and the shaking is reduced.

Description

A manned lift for subway construction

technical field

The utility model belongs to the field of subway construction, in particular to a manned elevator for subway construction.

Background technique

Elevators are often used in construction projects, and maintenance personnel need to be transported to a higher location for construction. Elevators are also required in subway construction.

The utility model patent of Patent Application Publication No. CN209507510U discloses a manned lift convenient for subway construction, including a base, a bracket, a push rod and a workbench, a hydraulic rod is fixed on the side of the base away from the ground, and the base is close to the ground A universal wheel is installed on one side of the hydraulic rod, a first support rod is installed at the other end of the hydraulic rod away from the base, and a second support rod is installed and connected to the other end of the first support rod. The first support rod A hexagonal nut is installed between the second support rod and the second support rod, which is convenient for the manned elevator for subway construction. It is provided with a bracket, a first fixing port and a connecting rod. The rod climbs up the upper surface of the workbench. At the same time, the setting of the first fixing port and the fixing block can avoid the rotation between the connecting rod and the bracket during climbing, which may cause injury to the user. At the same time, the frosted surface of the connecting rod can avoid The user is slipping.

However, when the above-mentioned patent is used in practice, the lift platform is not stable during the lifting process, and is prone to shaking, and the stability between the bottom of the lift and the placement surface is also weak, so that when a person stands on the lift, the bottom of the lift is less stable. It is also prone to shaking.

Utility model content

The utility model provides a manned elevator for subway construction, which aims to solve the problem that the existing elevator platform has poor stability during the lifting process, and is prone to shaking, and the stability between the bottom of the elevator and the placement surface is also weak. As a result, when people stand on the lift platform, the bottom of the lift is prone to shaking.

The utility model is realized in this way, and the utility model provides the following technical solutions: a manned lift for subway construction, comprising a base, a wheel is installed at the bottom end of the base, and a lifting platform is arranged above the base, and the The top of the base is located on both sides of the lifting platform, and both side plates are connected, and the top ends of the two side plates are installed with winding reels. A steel wire rope is wound and connected, the end of the steel wire rope is connected with a collar at the position above the end of the lifting platform, the top of the two ends of the lifting platform is connected with a lifting ring at the bottom position of the collar, and the outer wall of the side plate is connected with a ring. A push plate is connected, and a control switch is arranged on the outer wall of the side plate near the upper position of the push plate, the outer wall of the side plate is located at the lower position of the push plate, and a battery is installed, and both ends of the lifting platform are provided with a fixed cavity, a gear is installed in the interior of the fixed cavity, a rotating shaft is connected to the middle of the gear, and teeth are arranged in the vertical direction at the inner side wall of the side plate corresponding to the edge of the gear;

The outer wall of the side plate is connected with a fixing block, the middle part of the fixing block is connected with a screw rod in the vertical direction, a support block is arranged below the screw rod, and the inner side wall of the support block is connected with a clamping plate, the The end of the card board is inserted into the inside of the base, the inside of the base is provided with grooves along the vertical direction corresponding to the outside of the card board, the two sides of the card board are provided with blocks, and the grooves The two inner sidewalls of the cardboard are provided with a card groove along the vertical direction corresponding to the outside of the card block, and a spring is connected between the bottom of the card plate and the inner wall of the groove.

In a preferred embodiment, the bottom end of the lifting ring and the top end of the lifting platform are fixedly connected by welding or bolts.

In a preferred embodiment, bearing seats are installed on both inner side walls of the fixed cavity corresponding to both ends of the rotating shaft, and the gear and the fixed cavity are rotatably connected through the rotating shaft.

In a preferred embodiment, the fixing block and the outer wall of the side plate are fixedly connected by welding or bolts, and an inner thread hole is provided inside the fixing block at an outer position of the screw rod.

In a preferred embodiment, a screw disk is provided on the top of the screw rod, and the connection between the screw disk and the top end of the screw rod is welding.

In a preferred embodiment, the connection between the card board and the inner side wall of the support block is welding.

In a preferred embodiment, the connection between the upper and lower ends of the spring, the bottom end of the clamping plate and the inner wall of the groove are all welded.

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

1. Compared with the prior art, by setting the winding reel, the servo motor, the wire rope, the collar and the hoisting ring, and by setting the fixed cavity, the gear, the rotating shaft and the teeth, when in use, the servo motor is controlled to drive the motor. The wire rope outside the winding reel is reeled or released to realize the lifting and lowering of the lifting platform. During the lifting and lowering process of the lifting platform, the gear rotates and meshes with the teeth on the inner wall of the side plate to improve the stability of the lifting platform;

2. Compared with the prior art, by setting the fixing block, the screw rod, the support block, the card plate, the groove, the card block, the card groove and the spring, when in use, the support block at the bottom is pushed down by screwing the screw rod, and contacts the Placed surface, after the support block contacts the ground, the contact area with the ground increases, which improves the stability during use, and when the support block falls, the card plate is lowered and the spring is compressed. When the device needs to be moved at the end of use, just reverse the screw When the screw is moved, the spring reset pushes the card plate to rise, which in turn drives the support block to rise, which can be easily moved.

Description of drawings

Fig. 1 is the front view of the utility model.

Fig. 2 is an enlarged view of part A in Fig. 1 of the utility model.

FIG. 3 is an enlarged view of part B in FIG. 1 of the utility model.

FIG. 4 is a schematic structural diagram of a card board in the present invention.

In the picture: 1 base, 2 wheels, 3 lift tables, 4 side plates, 5 winding discs, 6 servo motors, 7 steel wire ropes, 8 sets of rings, 9 rings, 10 rotating shafts, 11 gears, 12 fixed cavities, 13 teeth , 14 push plate, 15 control switch, 16 battery, 17 fixed block, 18 screw, 19 support block, 20 card board, 21 card block, 22 card slot, 23 groove, 24 spring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIGS. 1-2 , the present utility model provides a manned lift for subway construction, comprising a base 1 , a wheel 2 is installed at the bottom end of the base 1 , and a lifting platform 3 is arranged above the base 1 . The top of the base 1 is located on both sides of the lifting platform 3 and is connected with side plates 4, the top ends of the two side plates 4 are installed with a winding reel 5, and the middle outer wall of the winding reel 5 is connected with a servo motor 6. , and a wire rope 7 is wound and connected to the outside of the spool 5. The end of the wire rope 7 is connected to a collar 8 at the position above the end of the lifting platform 3, and the tops of both ends of the lifting platform 3 correspond to the collar 8. A lifting ring 9 is connected at the bottom position of the side plate 4, a push plate 14 is connected to the outer wall of the side plate 4, and a control switch 15 is provided at the upper position of the outer wall of the side plate 4 close to the push plate 14, and the outer wall of the side plate 4 is located at the upper position of the push plate 14. The battery 16 is installed at the lower position of the push plate 14 , the two ends of the lifting platform 3 are provided with a fixed cavity 12 , a gear 11 is installed inside the fixed cavity 12 , and a rotating shaft is connected to the middle of the gear 11 . 10. Teeth 13 are provided in the vertical direction at the inner side wall of the side plate 4 corresponding to the edge of the gear 11 .

Further, the bottom end of the lifting ring 9 and the top end of the lifting platform 3 are fixedly connected by welding or bolts, which is convenient for the connection and fixing of the lifting ring 9;

Further, bearing seats are installed on the two inner side walls of the fixed cavity 12 corresponding to both ends of the rotating shaft 10 , and the gear 11 and the fixed cavity 12 are rotatably connected by the rotating shaft 10 , which is convenient for the gear 11 to be fixed. The interior of the cavity 12 rotates stably;

The specific embodiment is as follows: by installing the bobbin 5 on the top of the two side plates 4, the servo motor 6 is connected to the middle outer side wall of the bobbin 5, and the wire rope 7 is wound and connected to the outside of the bobbin 5. The wire rope The end of 7 is connected with a collar 8 at the position above the end of the lifting platform 3, the top of the two ends of the lifting platform 3 is connected with a lifting ring 9 at the bottom position of the collar 8, and the outer wall of the side plate 4 is connected with a push plate 14 , and the outer wall of the side plate 4 is provided with a control switch 15 at the upper position of the push plate 14, the outer wall of the side plate 4 is located at the lower position of the push plate 14 and the battery 16 is installed, and both ends of the lifting platform 3 are provided with fixed Cavity 12, a gear 11 is installed inside the fixed cavity 12, the middle of the gear 11 is connected with the rotating shaft 10, and the inner side wall of the side plate 4 corresponding to the edge of the gear 11 is provided with teeth 13 in the vertical direction. Control the operation of the servo motor 6 to drive the wire rope 7 outside the winding reel 5 to rewind or release, so as to realize the lifting and lowering of the lifting table 3. During the lifting and lowering of the lifting table 3, the gear 11 rotates and meshes with the teeth 13 on the inner wall of the side plate 4. connected to improve the stability of the lifting platform 3.

Please refer to FIG. 1 and FIG. 3-4 as a man lift for subway construction. A fixing block 17 is connected to the outer wall of the side plate 4, and a screw rod is connected to the middle of the fixing block 17 in the vertical direction. 18. A support block 19 is provided below the screw 18, the inner side wall of the support block 19 is connected with a card board 20, and the end of the card board 20 is inserted into the interior of the base 1, and the interior of the base 1 A groove 23 is provided on the outside of the corresponding card board 20 along the vertical direction, the two side ends of the card board 20 are provided with a block 21, and the two inner side walls of the groove 23 correspond to the outside of the block 21 along the vertical direction. A card groove 22 is provided in the straight direction, and a spring 24 is connected between the bottom of the card plate 20 and the inner wall of the groove 23 .

Further, the fixing block 17 and the outer wall of the side plate 4 are fixedly connected by welding or bolts, and the interior of the fixing block 17 corresponding to the outer position of the screw 18 is provided with an internal thread hole, which is convenient for the connection and fixing of the fixing block 17. Then, it is convenient for the screw 18 to rotate inside the fixed block 17;

Further, the top of the screw 18 is provided with a screw disk, and the connection between the screw disk and the top of the screw 18 is welding, which is convenient for the user to twist the screw 18 to rotate;

Further, the connection between the card board 20 and the inner side wall of the support block 19 is welding, which is convenient for the connection and fixation between the card board 20 and the support block 19;

Further, the connection between the upper and lower ends of the spring 24 and the bottom end of the clamping plate 20 and the inner wall of the groove 23 is welded, which is convenient for the installation of the spring 24;

The specific embodiment is as follows: a fixing block 17 is connected to the outer wall of the side plate 4, a screw 18 is connected to the middle of the fixing block 17 in the vertical direction, a supporting block 19 is arranged below the screw 18, and the inner side wall of the supporting block 19 is connected. There is a card board 20, the end of the card board 20 is inserted into the inside of the base 1, the inside of the base 1 is provided with grooves 23 along the vertical direction corresponding to the outside of the card board 20, and both sides of the card board 20 are provided with grooves 23. In the clamping block 21, the two inner side walls of the groove 23 are provided with a clamping groove 22 along the vertical direction corresponding to the outside of the clamping block 21, and a spring 24 is connected between the bottom of the clamping plate 20 and the inner wall of the groove 23. When in use, Since the stability of the base 1 needs to be improved so as to ensure the stability of the person standing on the lifting platform 3, the general wheels 2 are equipped with stoppers, but this method makes the contact area between the bottom wheel 3 of the base 1 and the placing surface smaller , when a person stands on the lifting platform 3, the stability is not good. In this technical solution, the support block 19 at the bottom is pushed down by twisting the screw 18 and contacts the placement surface. After the support block 19 contacts the ground, the contact area with the ground increases, Improve the stability during use, and when the support block 19 descends, it drives the clamping plate 20 to descend and compresses the spring 24. When the device needs to be moved at the end of use, it is only necessary to reverse the screw 18, and the spring 24 resets and pushes the clamping plate 20 to rise, and then Drive the support block 20 to rise, so that it can be moved conveniently.

The working principle of the utility model:

Referring to the accompanying drawings 1-2 of the description, by setting the spool 5, the servo motor 6, the wire rope 7, the collar 8 and the lifting ring 9, and by setting the fixed cavity 12, the gear 11, the rotating shaft 10 and the teeth 13, when in use, By controlling the operation of the servo motor 6, the wire rope 7 outside the winding reel 5 is driven to rewind or unwind, so that the lifting table 3 can be lifted and lowered. The meshing connection improves the stability of the lifting platform 3;

Referring to Figure 1 and Figures 3-4 of the description, by setting the fixing block 17, the screw 18, the support block 19, the clamping plate 20, the groove 23, the clamping block 21, the clamping groove 22 and the spring 24, when in use, through the need Improve the stability of the base 1 so as to ensure the stability of the person standing on the lifting platform 3. Generally, the wheels 2 have stoppers, but this method makes the contact area between the bottom wheel 3 of the base 1 and the placement surface small, and the human When standing on the lifting platform 3, the stability is not good. In this technical solution, the support block 19 at the bottom is pushed down by screwing the screw 18 and contacts the placement surface. After the support block 19 contacts the ground, the contact area with the ground increases, which improves the use of When the support block 19 descends, it drives the clamping plate 20 down and compresses the spring 24. When the device needs to be moved at the end of use, it is only necessary to reverse the screw 18, and the spring 24 resets and pushes the clamping plate 20 to rise, thereby driving the support The block 20 can be moved up easily.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (7)

1. The utility model provides a manned lift of subway construction usefulness which characterized in that: the lifting platform comprises a base, wheels are installed at the bottom end of the base, a lifting platform is arranged above the base, side plates are connected to positions, located on two sides of the lifting platform, of the top end of the base, wire reels are installed on the top ends of the two side plates, a servo motor is connected to the outer side wall of the middle of each wire reel, a steel wire rope is wound and connected to the outer portion of each wire reel, a lantern ring is connected to a position, located above the end portion of each steel wire rope, close to the lifting platform, of the upper portion, of the top portion of each end of the lifting platform, corresponding to the bottom position of the corresponding lantern ring, a lifting ring is connected to the outer wall of each side plate, a control switch is arranged on the position, located above the outer wall of each side plate, close to the upper portion of the corresponding to the corresponding push plate, of each side, teeth are arranged on the inner side wall of the side plate corresponding to the edge of the gear along the vertical direction;

the outer wall of curb plate is connected with the fixed block, be connected with the screw rod in the vertical direction in the middle part of fixed block, the below of screw rod is provided with the supporting shoe, the inside wall of supporting shoe is connected with the cardboard, the tip of cardboard is inserted and is established the inside of base, the outside that the inside of base corresponds the cardboard is provided with the recess in the vertical direction, the both sides end of cardboard all is provided with the fixture block, the outside that two inside walls of recess correspond the fixture block is provided with the draw-in groove in the vertical direction, be connected with the spring between the bottom of cardboard and the inner wall of recess.

2. The manned elevator for subway construction according to claim 1, wherein: the bottom end of the lifting ring is fixedly connected with the top end of the lifting platform through welding or bolts.

3. The manned elevator for subway construction according to claim 1, wherein: bearing seats are arranged at the positions of the two inner side walls of the fixed cavity, which correspond to the two end parts of the rotating shaft, and the gear is rotatably connected with the fixed cavity through the rotating shaft.

4. The manned elevator for subway construction according to claim 1, wherein: the fixing block is fixedly connected with the outer wall of the side plate through welding or bolts, and an internal thread hole is formed in the position, corresponding to the outer position of the screw rod, inside the fixing block.

5. The manned elevator for subway construction according to claim 1, wherein: the top of the screw rod is provided with a screwing disc, and the screwing disc is connected with the top end of the screw rod in a welding mode.

6. The manned elevator for subway construction according to claim 1, wherein: the connection mode between the clamping plates and the inner side walls of the supporting blocks is welding.

7. The manned elevator for subway construction according to claim 1, wherein: the upper end and the lower end of the spring are welded with the bottom end of the clamping plate and the inner wall of the groove.

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