阅读说明：本技术 一种配重块重量可调的电梯 (Elevator with weight-adjustable balancing weight ) 是由 徐晖 于 2021-09-01 设计创作，主要内容包括：本发明公开的一种配重块重量可调的电梯,在轿厢底部设有重力秤,配重块安装在框架内,所述框架外侧面上端设有第一开口,框架下端设有第一升降板,所述框架内侧一端设有第一推动机构；所述电梯井内壁上设有凹槽,所述凹槽内沿竖直方向堆叠多个配重块,凹槽底部设有第二升降板,凹槽外侧一端设有第二推动机构,凹槽内侧一端设有第二开口。人进入轿厢中后,轿厢内的重力秤会感应人的重量,并将信号传递到控制器中,控制器控制对应的第一推动机构或者是第二推动机构动作,从而实现向框架内加入或者减少配重块的数量,从而使得轿厢与配重之间产生平衡。功率小的曳引机即可驱动轿厢升降,降低了成本,耗能低。(The invention discloses an elevator with an adjustable weight of a balancing weight, wherein a gravity balance is arranged at the bottom of a car, the balancing weight is installed in a frame, a first opening is formed in the upper end of the outer side surface of the frame, a first lifting plate is arranged at the lower end of the frame, and a first pushing mechanism is arranged at one end of the inner side of the frame; be equipped with the recess on the elevartor shaft inner wall, pile up a plurality of balancing weights along vertical direction in the recess, the recess bottom is equipped with the second lifter plate, and recess outside one end is equipped with second pushing mechanism, and recess inboard one end is equipped with the second opening. After the people got into the car, the weight scale in the car can respond to people's weight to in transmitting the signal to the controller, the action of the first pushing mechanism that the controller control corresponds or second pushing mechanism, thereby the realization adds or reduces the quantity of balancing weight in to the frame, thereby makes and produces between car and the counter weight balanced. The tractor with low power can drive the lift car to lift, so that the cost is reduced, and the energy consumption is low.)

1. The utility model provides an elevator of balancing weight adjustable, includes car (1), is used for driving hauler (2) that car (1) goes up and down and balancing weight (3) that are used for balancing car (1) weight, is equipped with guide rail (5) in elevartor shaft (4), and car (1) and operation are between two at least rigid guide rails (5), its characterized in that, car (1) bottom is equipped with the gravity balance, balancing weight (3) are installed in frame (6), and balancing weight (3) pile up a plurality ofly along vertical direction in frame (6), frame (6) lateral surface upper end is equipped with first opening (7), and frame (6) lower extreme is equipped with first lifter plate (8), sliding connection between first lifter plate (8) and frame (6), and frame (6) both sides are equipped with the first actuating mechanism that drives first lifter plate (8) go up and down, the position that inboard one end of frame (6) corresponds with first opening (7) is equipped with and is used for promoting balancing weight (3) The first pushing mechanism of (1);

the elevator shaft is characterized in that a groove (9) is formed in the inner wall of the elevator shaft (4) and corresponds to each floor, a plurality of balancing weights (3) are stacked in the groove (9) along the vertical direction, a second lifting plate (10) is arranged at the bottom of the groove (9), the second lifting plate (10) is connected with the groove (9) in a sliding mode, second driving mechanisms for driving the second lifting plate (10) to lift are arranged at two ends of the groove (9), a second pushing mechanism for pushing the balancing weights (3) is arranged at one end of the outer side of the groove (9), and a second opening (11) is formed in one end of the inner side of the groove (9).

2. The elevator with the adjustable weight of the balancing weight according to claim 1, wherein the balancing weight (3) is a rectangular metal block, and rollers (12) are disposed on the upper and lower sides of the balancing weight (3).

3. The elevator with the adjustable weight of the balancing weight according to claim 1, wherein the first slide rails (13) are arranged on the left side and the right side of the frame (6), the first slide rails (13) on the left side of the frame (6) are positioned at the rear end, the first slide rails (13) on the right side of the frame (6) are positioned at the front end, the first sliding plates (14) are arranged on the left side and the right side of the first lifting plate (8), and the first sliding plates (14) are slidably connected with the corresponding first slide rails (13).

4. The elevator with the adjustable weight of the balancing weight according to claim 3, wherein the number of the first driving mechanisms is two, the two first driving mechanisms are distributed corresponding to the first slide ways (13) on two sides, the first driving mechanism comprises a first motor (15) and a first lead screw (16), the upper end and the lower end of the first lead screw (16) are rotatably connected with the frame (6), a sleeve (17) is arranged on the first sliding plate (14), and the first lead screw (16) penetrates through the sleeve (17) and is in threaded connection with the sleeve (17).

5. The elevator with the adjustable weight of the balancing weight according to claim 1, wherein the first pushing mechanism comprises a first hydraulic cylinder (18) and a first push plate (19), the cylinder body end of the first hydraulic cylinder (18) is fixed on the frame (6), the first push plate (19) is installed on the piston rod of the first hydraulic cylinder (18), the first push plate (19) corresponds to the first opening (7), and rubber heads (20) are arranged at the upper end and the lower end of the first push plate (19).

6. An elevator with adjustable counterweight weight according to claim 1, characterized in that the left and right sides of the groove (9) are provided with second slideways (21), the second slideway (21) on the left side of the groove (9) is located at the rear end of the groove (9), the second slideway (21) on the right side of the groove (9) is located at the front end of the groove (9), the left and right sides of the second lifting plate (10) are provided with second sliding plates, and the second sliding plates are slidably connected with the corresponding second slideways (21).

7. The elevator with the adjustable weight of the balancing weight according to claim 6, wherein the number of the second driving mechanisms is two, the two second driving mechanisms are distributed corresponding to the second slide ways (21) on two sides, the second driving mechanism comprises a second motor (22) and a second lead screw (23), the upper end and the lower end of the second lead screw (23) are rotatably connected with the inner wall of the groove (9), a sleeve is arranged on the second sliding plate, and the second lead screw (23) penetrates through the corresponding sleeve and is in threaded connection with the sleeve.

8. The elevator with the adjustable weight of the balancing weight according to claim 1, wherein the second pushing mechanism comprises a second hydraulic cylinder (24) and a second pushing plate (25), the cylinder body end of the second hydraulic cylinder (24) is fixed on the inner wall of the groove (9), the second pushing plate (25) is installed on the piston rod of the second hydraulic cylinder (24), the second pushing plate (25) corresponds to the second opening (11), and rubber heads (20) are arranged at the upper end and the lower end of the second pushing plate (25).

9. The elevator with the adjustable weight of the balancing weight according to claim 1, characterized in that a rotating plate (26) is arranged at the bottom end of the second opening (11) on the inner wall of the elevator shaft (4), a third hydraulic cylinder (27) for driving the rotating plate (26) to rotate is arranged on the inner wall of the elevator shaft (4), a positioning plate (28) is arranged at the lower end of the second opening (11) on the outer side of the frame (6), and the rotating plate (26) is matched with the positioning plate (28).

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator with an adjustable weight of a balancing weight.

Background

An elevator is a transportation device that transports pedestrians or goods vertically. The elevator serves a building of a given floor, the vertical lift elevator has a cage which runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 DEG, for the convenience of passengers to enter or exit or load and unload goods, and a counterweight for balancing the weight of the elevator.

However, the weight of the existing counterweight is fixed, and when a large number of people exist in the elevator, the traction machine needs large power, so that the weight is large and the energy consumption is large.

Disclosure of Invention

The invention aims to solve the problems and provides an elevator with an adjustable weight of a balancing weight, which can realize the balance of a lift car and the balancing weight, only needs a smaller traction machine, and has low energy consumption and low cost.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an elevator with adjustable weight of a balancing weight comprises a car, a traction machine and a balancing weight, wherein the traction machine is used for driving the car to lift, the balancing weight is used for balancing the weight of the car, guide rails are arranged in an elevator shaft, the car and the elevator run between at least two rows of rigid guide rails, a gravity scale is arranged at the bottom of the car, the balancing weight is installed in a frame, a plurality of balancing weights are stacked in the frame along the vertical direction, a first opening is formed in the upper end of the outer side surface of the frame, a first lifting plate is arranged at the lower end of the frame, the first lifting plate is connected with the frame in a sliding mode, first driving mechanisms for driving the first lifting plate to lift are arranged on two sides of the frame, and a first pushing mechanism for pushing the balancing weight is arranged at a position, corresponding to the first opening, of one end of the inner side of the frame;

the elevator shaft is characterized in that a groove is formed in the inner wall of the elevator shaft and corresponds to each floor, a plurality of balancing weights are stacked in the groove along the vertical direction, a second lifting plate is arranged at the bottom of the groove, the second lifting plate is connected with the groove in a sliding mode, the two ends of the groove are provided with a second driving mechanism for driving the second lifting plate to lift, one end of the outer side of the groove is provided with a second pushing mechanism for pushing the balancing weights, and one end of the inner side of the groove is provided with a second opening.

Furthermore, the balancing weight is a cuboid metal block, and rollers are arranged on the upper edge and the lower edge of each of the two sides of the balancing weight.

Further, the frame left and right sides all is equipped with first slide, and the first slide of frame left surface is located the rear end, and the first slide of frame right flank is located the front end, and first lifter plate left and right sides all is equipped with first slide, sliding connection between first slide and the first slide that corresponds.

Further, first actuating mechanism is equipped with two, and two first actuating mechanism distribute and correspond the first slide of both sides, and first actuating mechanism includes first motor and first lead screw, rotates between both ends and the frame about the first lead screw to be connected, is equipped with the sleeve on the first slide, first lead screw pass the sleeve and with between the sleeve threaded connection.

Further, first pushing mechanism includes first pneumatic cylinder and first push pedal, first pneumatic cylinder end of body is fixed on the frame, first push pedal is installed on first pneumatic cylinder piston rod, and first push pedal corresponds with first opening, and both ends all are equipped with the rubber head about the first push pedal.

Further, the recess left and right sides all is equipped with the second slide, and the second slide of recess left surface is located the recess rear end, and the second slide of recess right flank is located the recess front end, and the second lifter plate left and right sides all is equipped with the second slide, sliding connection between second slide and the second slide that corresponds.

Furthermore, the second driving mechanisms are provided with two second sliding ways, the two second driving mechanisms are distributed corresponding to the second sliding ways on the two sides, each second driving mechanism comprises a second motor and a second lead screw, the upper end and the lower end of each second lead screw are rotatably connected with the inner wall of the corresponding groove, a sleeve is arranged on each second sliding plate, and each second lead screw penetrates through the corresponding sleeve and is in threaded connection with the corresponding sleeve.

Further, second pushing mechanism includes second pneumatic cylinder and second push pedal, the second pneumatic cylinder body end is fixed on the recess inner wall, the second push pedal is installed on second pneumatic cylinder piston rod, and the second push pedal corresponds with the second opening, and both ends all are equipped with the rubber head about the second push pedal.

Furthermore, the bottom end of the second opening on the inner wall of the elevator shaft is provided with a rotating plate, the inner wall of the elevator shaft is provided with a third hydraulic cylinder for driving the rotating plate to rotate, the lower end of the second opening on the outer side of the frame is provided with a positioning plate, and the rotating plate is matched with the positioning plate.

The invention has the beneficial effects that:

1. the bottom of a lift car is provided with a gravity scale, a balancing weight is installed in a frame, the upper end of the outer side surface of the frame is provided with a first opening, the lower end of the frame is provided with a first lifting plate, and one end of the inner side of the frame is provided with a first pushing mechanism; be equipped with the recess on the elevartor shaft inner wall, pile up a plurality of balancing weights along vertical direction in the recess, the recess bottom is equipped with the second lifter plate, and recess outside one end is equipped with second pushing mechanism, and recess inboard one end is equipped with the second opening. After the people got into the car, the weight scale in the car can respond to people's weight to in transmitting the signal to the controller, the action of the first pushing mechanism that the controller control corresponds or second pushing mechanism, thereby the realization adds or reduces the quantity of balancing weight in to the frame, thereby makes and produces between car and the counter weight balanced. The tractor with low power can drive the lift car to lift, so that the cost is reduced, and the energy consumption is low.

2. According to the invention, the first slide way and the first sliding plate are distributed at the oblique angle position of the first lifting plate, so that the first lifting plate can be prevented from rotating in the lifting process, and the lifting of the first lifting plate is more stable.

3. The upper end and the lower end of the first push plate are respectively provided with a rubber head. First pneumatic cylinder piston rod stretches out, and first push pedal will be higher than the balancing weight of first opening low side and release, and the rubber head has played the cushioning effect, can prevent to promote the balancing weight that does not expose because of first lifter plate lifting error, reduces equipment machining precision, guarantees that equipment operation is reliable.

4. According to the invention, the balancing weight is a cuboid metal block, the upper and lower edges of the two sides of the balancing weight are respectively provided with the roller, and the rollers can reduce the friction between the balancing weight and the frame or between the balancing weight and the groove, so that the position transfer of the balancing weight is facilitated.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the counterweight mechanism of the present invention;

FIG. 3 is a cross-sectional view of a weight of the present invention;

fig. 4 is a schematic diagram of a first lifter plate structure according to the present invention.

In the figure: the elevator comprises a car 1, a traction machine 2, a balancing weight 3, an elevator shaft 4, a guide rail 5, a frame 6, a first opening 7, a first lifting plate 8, a groove 9, a second lifting plate 10, a second opening 11, a roller 12, a first slide 13, a first sliding plate 14, a first motor 15, a first lead screw 16, a sleeve 17, a first hydraulic cylinder 18, a first push plate 19, a rubber head 20, a second slide 21, a second motor 22, a second lead screw 23, a second hydraulic cylinder 24, a second push plate 25, a rotating plate 26, a third hydraulic cylinder 27 and a positioning plate 28.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

For convenience of description, a coordinate system is now defined as shown in fig. 1.

As shown in fig. 1 and 2, an elevator with adjustable weight of a counterweight block comprises a car 1, a traction machine 2 for driving the car 1 to ascend and descend and a counterweight block 3 for balancing the weight of the car 1, wherein a guide rail 5 is arranged in an elevator shaft 4, the car 1 and the elevator run between at least two rows of vertical rigid guide rails 5 or rigid guide rails 5 with an inclination angle smaller than 15 degrees, a traction rope bypasses the traction machine 2 to be respectively connected with the car 1 and the counterweight block 3, a gravity balance is arranged at the bottom of the car 1 and is connected with a controller through a lead, the gravity balance is not shown in the figures, the figure is the prior art and is not repeated, the counterweight block 3 is arranged in a frame 6, a plurality of counterweight blocks 3 are vertically stacked in the frame 6, a first opening 7 is arranged at the upper end of the outer side surface of the frame 6, the outer side surface is the side close to the inner wall of the elevator shaft 4, a first lifting plate 8 is arranged at the lower end of the frame 6, the first lifting plate 8 is connected with the frame 6 in a sliding manner, the two sides of the frame 6 are provided with first driving mechanisms for driving the first lifting plate 8 to lift, and the position of one end of the inner side of the frame 6 corresponding to the first opening 7 is provided with a first pushing mechanism for pushing the balancing weight 3.

Similarly, the bottom of the lift car can be provided with a counterweight, the weight of the counterweight can be adjusted, the counterweight has the same structure as the counterweight block, the weights of the lift car and the counterweight can be adjusted, the time consumption is short, and the efficiency is high.

As shown in fig. 2 and 3, the left and right sides of the frame 6 are provided with first slideways 13, the first slideway 13 on the left side of the frame 6 is located at the rear end of the left side of the frame 6, the first slideway 13 on the right side of the frame 6 is located at the front end of the right side of the frame 6, the left and right sides of the first lifting plate 8 are provided with first sliding plates 14, the positions of the first sliding plates 14 on the two sides correspond to the first slideways 13 on the two sides respectively, and the first sliding plates 14 are connected with the corresponding first slideways 13 in a sliding manner. First actuating mechanism is equipped with two, and two first actuating mechanism distribute and correspond the first slide 13 of both sides, and first actuating mechanism includes first motor 15 and first lead screw 16, rotates through the bearing between both ends and the frame 6 about first lead screw 16 and is connected, is equipped with sleeve 17 on the first slide 14, is equipped with the internal thread in the sleeve 17, first lead screw 16 pass sleeve 17 and with sleeve 17 between threaded connection. When the lifting device works, the first motor 15 drives the first lead screw 16 to rotate, the first lead screw 16 is matched with the sleeve 17, and then the second lifting plate 10 is driven to lift, so that the lifting of the balancing weight 3 is realized; first slide 13 and first slide 14 distribute in first lifter plate 8 oblique angle position, can prevent that first lifter plate 8 from rotating at the lift in-process, and first lifter plate 8 goes up and down more steadily.

As shown in fig. 2, the first pushing mechanism includes a first hydraulic cylinder 18 and a first push plate 19, a cylinder body end of the first hydraulic cylinder 18 is fixed on the frame 6, the first push plate 19 is installed on a piston rod of the first hydraulic cylinder 18, the first push plate 19 is located in the frame 6, a position and a size of the first push plate 19 both correspond to the first opening 7, and rubber heads 20 are respectively arranged at upper and lower ends of the first push plate 19. The piston rod of the first hydraulic cylinder 18 extends out, and the first push plate 19 pushes out the balancing weight higher than the lower end of the first opening. Rubber head 20 has played the cushioning effect, can prevent to promote the balancing weight that does not expose because of first lifter plate lifting error, reduces equipment machining precision, guarantees that equipment operation is reliable.

As shown in fig. 2, a groove 9 is provided at a position corresponding to each floor on the inner wall of the elevator shaft 4, a plurality of counterweights 3 are stacked in the groove 9 along the vertical direction, a second lifting plate 10 is provided at the bottom of the groove 9, the second lifting plate 10 is slidably connected with the groove 9, second driving mechanisms for driving the second lifting plate 10 to lift are provided at two ends of the groove 9, a second pushing mechanism for pushing the counterweights 3 is provided at one end outside the groove 9, where one end outside the groove 9 is a end far away from the elevator shaft, and a second opening 11 is provided at one end inside the groove 9.

As shown in fig. 2, the left and right sides of the groove 9 are both provided with a second slide rail 21, the second slide rail 21 on the left side of the groove 9 is located at the rear end of the left side of the groove 9, the second slide rail 21 on the right side of the groove 9 is located at the front end of the right side of the groove 9, the left and right sides of the second lifting plate 10 are both provided with a second slide plate, the positions of the second slide plates on the two sides respectively correspond to the second slide rails 21 on the two sides, the second slide plate is connected with the corresponding second slide rails 21 in a sliding manner, and the structure of the second lifting plate 10 is the same as that of the first lifting plate. The two second driving mechanisms are arranged, the two second driving mechanisms are distributed to correspond to the second slide ways 21 on the two sides, each second driving mechanism comprises a second motor 22 and a second lead screw 23, the upper end and the lower end of each second lead screw 23 are rotatably connected with the inner wall of the corresponding groove 9 through bearings, a sleeve is arranged on each second sliding plate, internal threads are arranged in each sleeve, and the second lead screws 23 penetrate through the corresponding sleeves and are in threaded connection with the sleeves. When the lifting device works, the second motor 22 drives the second lead screw 23 to rotate, and the second lead screw 23 is matched with the sleeve to drive the second lifting plate 10 to lift, so that the lifting of the balancing weight 3 in the groove is realized; the second slide 21 and the second slide plate are distributed at the oblique angle position of the second lifting plate 10, so that the second lifting plate 10 can be prevented from rotating in the lifting process, and the second lifting plate 10 is ensured to be lifted stably.

As shown in fig. 2, the second pushing mechanism includes a second hydraulic cylinder 24 and a second push plate 25, the cylinder body end of the second hydraulic cylinder 24 is fixed on the inner wall of the groove 9, the second push plate 25 is installed on the piston rod of the second hydraulic cylinder 24, the second push plate 25 is located in the groove 9, the position and the size of the second push plate 25 both correspond to the second opening 11, and the upper end and the lower end of the second push plate 25 both have rubber heads 20. The piston rod of the second hydraulic cylinder 24 extends out, and the second push plate 25 pushes out the balancing weight higher than the lower end of the second opening. Rubber head 20 has played the cushioning effect, can prevent to promote the balancing weight that does not expose because of first lifter plate lifting error, reduces equipment machining precision, guarantees that equipment operation is reliable.

In operation the car stays at the corresponding floor, when the first opening 7 outside the frame 6 corresponds to the second opening 11 outside the recess 9. After the people got into the car, the weight scale in the car 1 can respond to people's weight to in transmitting the signal to the controller, the action of the first pushing mechanism or the second pushing mechanism that the controller control corresponds, thereby the realization adds or reduces the quantity of balancing weight 3 in to frame 6, thereby produces between messenger's car 1 and the counter weight and balances. The car 1 can be driven to lift by the smaller traction machine, so that the cost is reduced, the energy consumption is low, and the difficulty of elevator installation and construction is reduced.

As shown in fig. 3, the weight member 3 is a rectangular metal block, the rollers 12 are disposed on the upper and lower edges of the two sides of the weight member 3, and the rollers 12 can reduce the friction between the weight member and the frame or between the weight member and the groove, thereby facilitating the position shift of the weight member.

As shown in fig. 2, a rotating plate 26 is arranged on the inner wall of the elevator shaft 4 at the bottom end of the second opening 11, the lower end of the rotating plate 26 is hinged to the bottom end of the second opening 11, a third hydraulic cylinder 27 for driving the rotating plate 26 to rotate is arranged on the inner wall of the elevator shaft 4, the cylinder end of the third hydraulic cylinder 27 is rotatably connected with the inner wall of the elevator shaft 4, the piston rod end of the third hydraulic cylinder 27 is rotatably connected with the rotating plate 26, a positioning plate 28 is arranged on the outer side of the frame 6 at the lower end of the second opening 11, and the rotating plate 26 is matched with the positioning plate 28.

When the cage stays at the corresponding floor during the operation of the elevator, the position of the frame 6 corresponds to the position of the groove 9, and the third hydraulic cylinder 27 drives the rotating plate 26 to rotatably ride on the positioning plate 28.

After the gravity balance senses that a person leaves the lift car, the weight of the lift car is reduced, and a signal is transmitted to the controller, the controller controls the ascending distance of the first lifting plate 8, so that the balancing weights 3 are exposed out of the first opening 7 by a certain amount, the weight of the balancing weights 3 exposed out of the first opening 7 is the same as the reduced weight of the lift car, the second motor drives the second lifting plate to descend, the height of the uppermost balancing weight in the groove is lower than the lower end of the second opening, then a piston rod of the first hydraulic cylinder 18 extends out, and the balancing weights 3 higher than the lower end of the first opening 7 are pushed into the groove 9 through the rotating plate 26; on the contrary, after the people got into the car, car weight increased, first lifter plate descends, and the second lifter plate rises, and the second push pedal pushes the balancing weight in the recess into the frame, increases the weight of counter weight to the weight of balanced car and counter weight.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.