CN211647211U - Elevating platform for construction - Google Patents

Abstract

The utility model discloses a lifting platform for building construction, which comprises a base and a lifting plate. The lower side of the base is provided with legs at four ends, the upper side is fixedly connected with a lead screw, and the left and right sides of the lifting plate are respectively fixedly connected with a first fixing plate. and the second fixed plate, the first fixed plate and the second fixed plate are both provided with a turntable, and the turntable on the first fixed plate is connected with the lifting piece through the belt, the second transmission rod, the third transmission rod and the fourth transmission rod. , use the transmission part to push the lifting plate up and down, and at the same time, the turntable on the second fixed plate drives the I-shaped wheel to rotate, and the wire rope wound on the I-shaped wheel is used to drive the tray to lift and lower, and when the lifting plate is lowered to the lowest point, the push plate on the lower side of the lifting plate Push the baffle to lower the moving wheel; the construction personnel can not only adjust the height of the lifting plate, but also use the steel wire rope to realize the lifting and lowering of the pallet, which is convenient for taking building materials and tools. The moving mechanism is lowered for easy movement.

Description

A lifting platform for building construction

technical field

The utility model belongs to the technical field of building supplies, in particular to a lifting platform for building construction.

Background technique

The use of building frames is for people to facilitate construction in the process of building decoration. After the main construction is completed, building frames are often used for indoor and outdoor decoration, spraying and other construction work. During the construction process, people often need to be based on the construction site Condition, the construction frame is manually built, and then dismantled after the work is completed, the workload is large, the efficiency is low, and the safety of the temporary construction frame is difficult to guarantee, and safety accidents often occur; in order to facilitate construction and improve work efficiency, gradually adopt more convenient construction. However, the lifting frame is inconvenient to move due to the limitation of volume and weight. After installing the moving wheel on the lifting frame, although the problem of inconvenience of movement is solved, the stability of the lifting platform is greatly reduced due to the easy rolling of the moving wheel. It increases the hidden safety hazards during the construction process. In addition, although the traditional lifting frame can meet the construction of different heights, as the construction height gradually increases, it is more difficult to transport construction tools and raw materials to the lifting frame solely by manpower. , affecting the construction efficiency and increasing unnecessary construction costs.

Utility model content

The purpose of this utility model is to provide a lifting platform for building construction to solve the problems raised in the background art.

In order to solve the above problems, the utility model provides a lifting platform for building construction, which includes a base and a lifting plate. The lower side of the base is provided with legs at four ends, and the upper side of the base is fixedly connected with a lead screw, which runs through the lift. A first fixing plate and a second fixing plate are fixedly connected to the left and right sides of the lifting plate respectively. A first transmission rod is rotatably connected to the middle of the locking plate on the upper side, the left and right ends of the first transmission rod are respectively fixedly connected to the first sheave and the turntable, the left end of the second transmission rod is fixedly connected to a second sheave, and the second transmission rod has a limited rotational connection. The right end of the second transmission rod penetrates into the limit cylinder, the upper side of the limit cylinder is fixedly connected with the lifting plate, the right end of the second transmission rod is fixedly connected with a second gear, and the middle of the lower side of the lifting plate is rotatably connected with a third transmission The third gear at the lower end of the third transmission rod is meshed with the second gear at the right end of the second transmission rod; the side of the limiting cylinder is rotatably connected with a fourth transmission rod, and both ends of the fourth transmission rod are fixedly connected with a second transmission rod. The second gear at the inner end of the fourth transmission rod is meshed with the third gear in the middle of the third transmission rod, and the second gear at the other end of the fourth transmission rod is meshed with the first gear on the lifting member. The lower side of the limiting cylinder is fixedly connected with a push plate, and the parts corresponding to the four ends of the base and the push plate are provided with moving mechanisms; and a tray is parked at the corresponding part of the lock plate and the lower side of the cross bar, the lock plate on the second fixed plate is rotatably connected with the fifth transmission shaft, the left end of the fifth transmission shaft is fixedly connected to the turntable, and the second fixed plate on the right side of the The parts of the five drive shafts are fixedly connected to the I-shaped wheel, and the steel wire rope is wound on the I-shaped wheel. After the steel wire rope passes through the guiding mechanism on the upper side of the pallet, the steel wire rope is fixedly connected to the cross bar.

The same side edge of the turntable is provided with a first handle and a limit boss, the limit boss is provided with a chute, and the left and right ends of the chute are provided with limit grooves. Similarly, the limit rod penetrates the limit boss, and the lock block is located in the chute, one end of the limit rod is fixedly connected to the second handle, and the second handle and the first handle are located on the same side of the turntable, and the lock disk is provided with an annular distribution the limit hole, and the diameter of the limit hole is the same as the diameter of the cross-section of the limit rod.

The moving mechanism includes a moving wheel, a first mounting plate and a guide rod. The moving wheel is rotatably connected with the first mounting plate, the upper side of the first mounting plate is fixedly connected with the lower end of the guide rod, the guide rod penetrates the base, and the upper end of the guide rod is fixedly connected There is a baffle, the guide rod part between the baffle and the base is covered with a spring, a third fixing plate is fixedly connected to the upper side of the baffle, and a bottom screw rod is vertically arranged in the middle of the third fixing plate, and the bottom screw rod and the third fixing plate are Threaded connection, the lower end of the bottom screw rod passes through the base and does not contact it, the upper end of the bottom screw rod is fixedly connected with a plug, and the left and right sides of the plug are symmetrically and fixedly connected with rotating rods.

The lifting piece includes a support rotary block and a first gear, the upper side of the first gear is fixedly connected with the lower side of the support rotary block, and the upper side of the support rotary block is provided with an annular groove, and the first balls are evenly distributed in the annular groove, The first ball is in contact with the lower side of the lifting plate, and the lead screw runs through the first gear, the supporting rotary block and the lifting plate in sequence from bottom to top. Second balls that are rollingly connected with the lead screw are evenly distributed in the groove.

The guide mechanism includes a guide wheel and a second mounting plate, the second mounting plate is fixedly connected with the upper side of the tray, the second mounting plate is rotatably connected with the guide wheel, and the wire rope is rotatably connected with the guide wheel.

Preferably: the first gear, the second gear and the third gear are all bevel gears, the cone angles of the first gear, the second gear and the third gear are all 90 degrees, and the equivalent gear module and pressure angle are respectively equal , so that the first gear can be meshed with the second gear, the second gear and the third gear.

Preferably, the first sheave and the second sheave are connected through a belt drive, and the diameter of the first sheave is three times the diameter of the second sheave, thereby achieving a labor-saving effect.

Beneficial effects of the present utility model: both the lifting plate and the pallet of the present utility model can be lifted and lowered, which can not only meet the construction requirements of different heights, but also use the pallet to transport construction tools and raw materials up and down, saving time and labor. The construction cost is reduced, and the construction efficiency is also improved; the push plate that lifts synchronously with the lifting plate acts on the baffle of the moving mechanism, so that the moving wheel can rise to leave the ground during the construction process, and after the construction is completed, The push plate pushes the baffle plate to lower the moving wheel, which not only facilitates movement, but also avoids the rolling of the moving wheel during construction, thereby improving the stability of the utility model.

Description of drawings

For ease of description, the present utility model is described in detail by the following specific implementation and accompanying drawings;

Fig. 1 is the overall structure diagram of the utility model;

Fig. 2 is the sectional view of A-A part in Fig. 1 of the utility model;

Fig. 3 is a partial enlarged view of A part in Fig. 1 of the utility model;

4 is a structural diagram of a lock plate and a turntable of the present utility model;

Fig. 5 is the sectional view of the part B-B in Fig. 4 of the utility model;

6 is a structural diagram of a lifting member and a lead screw of the present utility model;

FIG. 7 is a structural diagram of the moving mechanism of the present invention.

Labels in the figure: 1. Base; 101 Outrigger; 2. Lead screw; 3. Lifting plate; 4. First fixing plate; 5. Lock plate; Limit hole; 6. First transmission rod; 7. Turntable; Boss; 703 limit rod; 704 second handle; 705 lock block; 706 chute; 707 limit groove; 8 first sheave; 9 belt; 10 second sheave; 11 second transmission rod; 12 limit Bit cylinder; 13 The third transmission rod; 14 The fourth transmission rod; 15 Lifting parts; 1501 Supporting rotary block; 1502 The first gear; The second ball; 16 push plate; 17 moving mechanism; 1701 moving wheel; 1702 first mounting plate; 1703 guide rod; 1704 baffle plate; 18 second fixed plate; 19 fifth transmission rod; 22 tray; 23 guide mechanism; 2301 guide wheel; 2302 second mounting plate; 24 second gear; 25 third gear; 26 cross bar; 27 spring; 28 bottom screw; 29 third fixing plate; 30 rotating rod; 31 head.

Detailed ways

As shown in Figures 1-7, the specific implementation adopts the following technical solutions: a lifting platform for building construction, comprising a base 1 and a lifting plate 3, the four ends of the lower side of the base 1 are provided with legs 101, and the base 1 is provided with legs 101. There are four lead screws 2 fixedly connected to the sides, and the four lead screws 2 respectively pass through the through holes at the four ends of the lifting plate 3. The left and right sides of the lifting plate 3 are respectively fixedly connected with a first fixing plate 4 and a second fixing plate 18. The upper end of the fixing plate 4 is fixedly connected with a lock plate 5, and the lower end of the first fixing plate 4 is rotatably connected with a second transmission rod 11, and the middle part of the lock plate 5 on the first fixing plate 4 is rotatably connected with a first transmission rod 6. The left and right ends of the rod 6 are respectively fixedly connected to the first sheave 8 and the turntable 7, the left end of the second transmission rod 11 is fixedly connected to the second sheave 10, the second transmission rod 11 is rotatably connected to the limiting cylinder 12, and the second transmission rod 11 The right end penetrates into the limit cylinder 12, the upper side of the limit cylinder 12 is fixedly connected with the lifting plate 3, the right end of the second transmission rod 11 is fixedly connected with a second gear 24, and the middle of the lower side of the lifting plate 3 is rotatably connected with a third transmission rod 13 , the central axis of the third transmission rod 13 coincides with the central axis of the limiting cylinder 12, the middle and lower ends of the third transmission rod 13 are fixedly connected with a third gear 25, and the third gear 25 at the lower end of the third transmission rod 13 and the second transmission rod The second gear 24 at the right end of 11 is meshed and connected; the side of the limiting cylinder 12 is rotatably connected with four fourth transmission rods 14, and the four fourth transmission rods 14 are evenly distributed in a ring with the third transmission rod 13 as the center, and the fourth Both ends of the transmission rod 14 are fixedly connected with a second gear 24 , and the second gear 24 of the fourth transmission rod 14 located at one end of the limit cylinder 12 is meshed with the third gear 25 in the middle of the third transmission rod 13 . The second gear 24 at the other end of the rod 14 is meshed with the first gear 1502 on the lifting member 15 , the lower side of the limiting cylinder 12 is fixedly connected with the push plate 16 , and the base 1 corresponds to the four ends of the push plate 16 Both are provided with a moving mechanism 17; the front and rear ends of the upper side of the second fixing plate 18 are fixedly connected with a lock plate 5 and a cross bar 26, and a tray 22 is parked at the corresponding part of the lower side of the lock plate 5 and the cross bar 26. The locking plate 5 on the fixing plate 18 is rotatably connected with the fifth transmission shaft 19 , the left end of the fifth transmission shaft 19 is fixedly connected to the turntable 7 , and the fifth transmission shaft 19 on the right side of the second fixing plate 18 is fixedly connected with two I-shaped wheels 20 , a wire rope 21 is wound on the I-shaped wheel 20. After the left and right wire ropes 21 pass through the two guide mechanisms 23 on the corresponding side of the tray 22, the wire ropes 21 are fixedly connected to the cross bar 26.

The same side edge of the turntable 7 is provided with a first handle 701 and a limiting boss 702. The limiting boss 702 is provided with a chute 706, and the left and right ends of the chute 706 are provided with limiting grooves 707. The cross section of the limit rod 703 at the position of the lock block 705 is the same, the limit rod 703 penetrates the limit boss 702, and the lock block 705 is located in the chute 706, one end of the limit rod 703 is fixedly connected to the second handle 704, and the second handle 704 Located on the same side of the turntable 7 as the first handle 701 , the locking plate 5 is provided with annularly distributed limit holes 501 , and the limit holes 501 have the same diameter as the cross-sectional diameter of the limit rod 703 .

The moving mechanism 17 includes a moving wheel 1701, a first mounting plate 1702 and a guide rod 1703. The moving wheel 1701 is rotatably connected with the first mounting plate 1702, the upper side of the first mounting plate 1702 is fixedly connected with the lower end of the guide rod 1703, and the guide rod 1703 Passing through the base 1, and a baffle 1704 is fixedly connected to the upper end of the guide rod 1703, a spring 27 is sleeved on the guide rod 1703 between the baffle 1704 and the base 1, and a third fixing plate 29 is fixedly connected to the upper side of the baffle 1704. A bottom screw 28 is vertically arranged in the middle of the plate 29. The bottom screw 28 is threadedly connected to the third fixing plate 29. The lower end of the bottom screw 28 passes through the base 1 and does not contact it. The upper side of the bottom screw 28 is fixedly connected with a plug. 31. The left and right sides of the plug 31 are symmetrically and fixedly connected with a rotating rod 30.

The lifting member 15 includes a supporting rotary block 1501 and a first gear 1502. The upper side of the first gear 1502 is fixedly connected to the lower side of the supporting rotary block 1501, and the upper side of the supporting rotary block 1501 is provided with an annular groove 1503. The annular groove 1503 The first balls 1504 are evenly distributed inside, and the first balls 1504 are in contact with the lower side of the lifting plate 3. The lead screw 2 runs through the first gear 1502, the supporting rotary block 1501 and the lifting plate 3 in order from bottom to top, and the inner side of the supporting rotary block 1501 There is a helical groove 1506 matched with the helical pattern on the side surface of the lead screw 2 , and the second balls 1507 that are rollingly connected with the lead screw 2 are evenly distributed in the helical groove 1506 .

The guide mechanism 23 includes a guide wheel 2301 and a second mounting plate 2302. The second mounting plate 2302 is fixedly connected to the upper side of the tray 22, the second mounting plate 2302 is rotatably connected to the guide wheel 2301, and the wire rope 21 is rotatably connected to the guide wheel 2301. .

The first gear 1502 , the second gear 24 and the third gear 25 are all bevel gears.

The first sheave 8 and the second sheave 10 are connected by a belt 9 in a driving manner.

Working principle: The original working state of the utility model is that the lifting plate 3 is in the lowest position. In this state, the push plate 16 will be pressed to the jack 31, and the bottom screw 28 will drive the third fixed plate 29 to press down the baffle plate 1704. The moving wheel 1701 and the The bottom surface is contacted, the rotating rod 30 is rotated, and the bottom screw 28 is rotated. Since the plug 31 is pushed against the push plate 16 and cannot go up, the third fixed plate 29 drives the baffle 1704 to move down, the moving wheel 1701 continues to move down, and the outrigger 101 leaves On the ground, when the utility model needs to be used, push it to the designated place.

When the utility model is in the working state, the rotating rod 30 is rotated in the reverse direction, the bottom screw 28 is rotated, the third fixing plate 29 is moved up, the moving wheel 1701 is moved up, the outriggers 101 are moved down and are in contact with the ground, and then the fine-tuning lifting plate 3 is raised. The push plate 16 leaves the top head 31, and under the action of the elastic force of the spring 27, the moving wheel 1701 continues to rise away from the bottom surface, and the outriggers 101 work under full force.

In the process of adjusting the height of the lifting frame, hold the first handle 701 on the first fixing plate 4 to rotate the turntable 7 to drive the first sheave 8 to rotate, and then drive the second sheave 10 on the second transmission rod 11 to rotate through the belt 9 , the second transmission rod 11 drives the lifting member 15 to rotate through the third transmission rod 13 and the fourth transmission rod 14. During the rotation of the lifting member 15, in the lifting member 15, the second ball 1507 and the lead screw 2 cooperate with , move up and down, and then use the lift member 15 to push the lift plate 3 to move up and down to realize the lift function.

During the construction process, the ground staff places the tools and raw materials required for construction on the tray 22, and the construction staff on the lifting plate 3 rotates the turntable 7 by holding the first handle 701 on the second fixing plate 18 to wind up the wire rope 21 to the Inside the I-shaped wheel 20, the tray 22 is pulled to move up and down.

When turning the turntable 7, pull the second handle 704 until the lock block 705 reaches the limit groove 707 at one end away from the turntable 7, so that the limit rod 703 leaves the limit hole 501, rotate the second handle 704, and remove the lock block 705 from the slide The groove 706 rotates into the limit groove 707 to prevent the limit rod 703 from moving; use the turntable 7 to lift the lift plate 3 to a suitable height, or use the turntable 7 to lift the tray 22, and then rotate the second handle 704 to make the lock block 705 from The limit groove 707 is rotated into the chute 706, the second handle 704 is pushed, the limit rod 703 is inserted into the limit hole 501, the turntable 7 is fixed, the second handle 704 is rotated again, and the lock block 705 is rotated from the chute 706 Fix it into the limiting groove 707 on the side close to the turntable 7 .

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only illustrative. The principle of the present utility model, without departing from the spirit and scope of the present utility model, the present utility model will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a lifting platform for construction, includes base (1) and lifter plate (3), its characterized in that: the four ends of the lower side surface of the base (1) are provided with supporting legs (101), the upper side of the base (1) is fixedly connected with a lead screw (2), the lead screw (2) penetrates through a lifting plate (3), the left side and the right side of the lifting plate (3) are respectively fixedly connected with a first fixing plate (4) and a second fixing plate (18), the upper end of the first fixing plate (4) is fixedly connected with a lock disc (5), the lower end of the first fixing plate (4) is rotatably connected with a second transmission rod (11), the middle part of the lock disc (5) on the first fixing plate (4) is rotatably connected with a first transmission rod (6), the left end and the right end of the first transmission rod (6) are respectively fixedly connected with a first grooved pulley (8) and a rotary disc (7), the left end of the second transmission rod (11) is fixedly connected with a second grooved pulley (10), the second transmission rod (11) is rotatably, the upper side of the limiting cylinder (12) is fixedly connected with the lifting plate (3), the right end of the second transmission rod (11) is fixedly connected with a second gear (24), the middle part of the lower side of the lifting plate (3) is rotatably connected with a third transmission rod (13), and a third gear (25) at the lower end of the third transmission rod (13) is meshed with the second gear (24) at the right end of the second transmission rod (11); a fourth transmission rod (14) is rotatably connected to the side face of the limiting cylinder (12), second gears (24) are fixedly connected to two ends of the fourth transmission rod (14), the second gear (24) of the fourth transmission rod (14) located at one end inside the limiting cylinder (12) is meshed with a third gear (25) in the middle of a third transmission rod (13), the second gear (24) of the other end of the fourth transmission rod (14) is meshed with a first gear (1502) on the lifting piece (15), a push plate (16) is fixedly connected to the lower side of the limiting cylinder (12), and a moving mechanism (17) is arranged between the base (1) and the push plate (16); both ends are fixedly connected with lock dish (5) and horizontal pole (26) respectively around second fixed plate (18) upside, and lock dish (5) and horizontal pole (26) downside correspond the position and park tray (22), lock dish (5) on second fixed plate (18) are rotated with fifth transmission shaft (19) and are connected, fifth transmission shaft (19) left end fixed connection carousel (7), and fifth transmission shaft (19) position fixed connection I-shaped wheel (20) on second fixed plate (18) right side, the rolling has wire rope (21) on I-shaped wheel (20), after wire rope (21) passed guide mechanism (23) of tray (22) upside, wire rope (21) and horizontal pole (26) fixed connection.

2. The elevating platform for building construction according to claim 1, characterized in that: the edge of the same side of the rotary disc (7) is provided with a first handle (701) and a limiting boss (702), a sliding groove (706) is formed in the limiting boss (702), limiting grooves (707) are formed in the left end and the right end of the sliding groove (706), the cross section of the sliding groove (706) is identical to that of a limiting rod (703) at the position of a locking block (705), the limiting rod (703) penetrates through the limiting boss (702), the locking block (705) is located in the sliding groove (706), one end of the limiting rod (703) is fixedly connected with a second handle (704), the second handle (704) and the first handle (701) are located on the same side of the rotary disc (7), limiting holes (501) distributed in an annular mode are formed in the lock disc (5), and the diameter of the limiting holes (501) is identical to that of the cross.

3. The elevating platform for building construction according to claim 1, characterized in that: the moving mechanism (17) comprises moving wheels (1701), the moving wheels (1701) are uniformly distributed on the four sides of the lower side of the base (1), the moving wheels (1701) are rotatably connected with a first mounting plate (1702), the upper side of the first mounting plate (1702) is fixedly connected with the lower end of a guide rod (1703), the guide rod (1703) penetrates through the base (1), a baffle (1704) is fixedly connected to the upper end of the guide rod (1703), a spring (27) is sleeved at the position of the guide rod (1703) between the baffle (1704) and the base (1), a third fixing plate (29) is fixedly connected to the upper side of the baffle (1704), a bottom screw rod (28) is vertically arranged in the middle of the third fixing plate (29), the bottom screw rod (28) is in threaded connection with the third fixing plate (29), the lower end of the bottom screw rod (28) penetrates through the base (1) and is not in contact with the base, and a top, the left side and the right side of the top (31) are symmetrically and fixedly connected with rotating rods (30).

4. The elevating platform for building construction according to claim 1, characterized in that: lifting member (15) revolve piece (1501) and first gear (1502) including supporting, first gear (1502) are gone up the side and are supported and revolve piece (1501) downside fixed connection, and support and revolve piece (1501) and go up the side and be equipped with annular groove (1503), evenly distributed has first ball (1504) in annular groove (1503), first ball (1504) and lifter plate (3) downside contact, lead screw (2) are by running through first gear (1502) down supreme in proper order, support and revolve piece (1501) and lifter plate (3), support and revolve piece (1501) inboard be equipped with lead screw (2) side spiral line complex spiral groove (1506), evenly distributed has second ball (1507) with lead screw (2) roll connection in spiral groove (1506).

5. The elevating platform for building construction according to claim 1, characterized in that: the guide mechanism (23) comprises a guide wheel (2301) and a second mounting plate (2302), the second mounting plate (2302) is fixedly connected with the upper side face of the tray (22), the second mounting plate (2302) is rotatably connected with the guide wheel (2301), and the steel wire rope (21) is rotatably connected with the guide wheel (2301).

6. The elevating platform for building construction according to any one of claims 1 to 4, characterized in that: the first gear (1502), the second gear (24) and the third gear (25) are all bevel gears.

7. The elevating platform for building construction according to claim 1, characterized in that: the first grooved wheel (8) is in transmission connection with the second grooved wheel (10) through a belt (9).

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