CN220925979U

CN220925979U - Reciprocating elevator

Info

Publication number: CN220925979U
Application number: CN202322711218.5U
Authority: CN
Inventors: 王立新; 梁云
Original assignee: Zhejiang Zhongjiang Intelligent Equipment Co ltd
Current assignee: Zhejiang Zhongjiang Intelligent Equipment Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-10
Anticipated expiration: 2033-10-10

Abstract

The utility model relates to a reciprocating elevator, comprising: lifting frame, crane and counter weight subassembly, conveying mechanism and elevating system, elevating system includes the transmission shaft, driving motor, drive wheel and promotes the chain, the both ends of promoting the chain are connected respectively on crane and counter weight subassembly, be provided with the coupling assembling who is used for connecting the promotion chain on the crane, coupling assembling is including fixing the fixing base on the crane, vertical regulation pole of wearing to establish on the fixing base, connect the connecting plate on adjusting the pole upper end, set up the top cover below and the suit on adjusting the pole, set up the adjusting nut below top cover and spiro union on adjusting the pole and connect the spring between top cover and adjusting nut. According to the utility model, the connecting component is arranged between the lifting chain and the lifting frame, and the adjusting rod drives the proximity switch to move downwards through the spring when the chain is broken, so that the state of the chain is detected, the potential safety hazard of the chain is avoided, and the safety performance of the lifting machine is improved.

Description

Reciprocating elevator

Technical Field

The utility model relates to the technical field of logistics conveying equipment, in particular to a reciprocating elevator.

Background

In the production and processing, there is a large amount of materials, such as auxiliary materials, waste materials or semi-finished products, etc., the conveying machinery of each production factory is a single machine or a production line to transfer the materials from one working place to another working place according to the requirements of the production process, moreover, the common materials are heavier, and the work of lifting the materials is frequently encountered in the transferring process, if the materials are carried by manpower or a forklift, the speed requirements of the production and processing cannot be met, and the operation cost of enterprises is increased.

The Chinese patent publication No. CN219098633U discloses a self-climbing pallet elevator, which drives a cargo frame and a counterweight component to lift through four chains of a chain wheel mechanism, and potential safety hazards exist in the use process when one chain is broken or loosened.

Disclosure of utility model

The utility model provides a reciprocating elevator for solving the problems, and solves the problem that potential safety hazards exist because a chain cannot be found in time due to looseness or breakage.

The above object of the present utility model is achieved by the following technical solutions: a reciprocating elevator comprising: lifting frame, setting are in lifting frame and counter weight subassembly, setting are in conveying mechanism and the drive on the lifting frame lifting mechanism that lifting frame and counter weight subassembly removed, lifting mechanism is including setting up lifting frame top's transmission shaft, drive transmission shaft pivoted driving motor, setting are in transmission shaft epaxial drive wheel and around establishing lifting chain on the drive wheel, lifting chain's both ends are connected respectively on lifting frame and the counter weight subassembly, be provided with on the lifting frame and be used for connecting lifting chain's coupling assembling, coupling assembling is including fixing base, vertical wears to establish on the fixing base regulation pole, connection be in regulation pole upper end connecting plate, set up the fixing base below and suit are in top cover on the regulation pole, set up top cover below and spiro union are in adjusting nut on the pole and the spring of connection between top cover and the adjusting nut, the below of fixing base is provided with proximity switch, proximity switch follows the regulation pole reciprocates.

Preferably, a hinge seat is arranged at the upper end of the adjusting rod, and the connecting plate is hinged to the hinge seat.

Preferably, a limiting pin is arranged at the lower end of the adjusting rod.

Preferably, the adjusting rod is sleeved with a mounting plate, the mounting plate is arranged above the adjusting nut, and the proximity switch is fixed on the mounting plate.

Preferably, two driving wheels are respectively arranged at two ends of the driving shaft, lifting chains are respectively arranged on the two driving wheels, and the two lifting chains are respectively connected to the left side and the right side of the lifting frame.

Preferably, the elevator further comprises a speed limiting mechanism, wherein the speed limiting mechanism comprises a speed limiting wheel arranged at the upper end of the lifting frame, an expanding wheel arranged at the lower end of the lifting frame, a speed limiting rope connected between the speed limiting wheel and the expanding wheel, safety tongs arranged at two sides of the lifting frame, a connecting rod mechanism connected between the two safety tongs and the speed limiting rope and a speed limiting guide rail arranged at two sides of the lifting frame.

Preferably, the link mechanism comprises a rotating shaft, a first swing arm, a second swing arm, a third swing arm and a linkage rod, wherein the rotating shaft is arranged on two sides of the lifting frame, the first swing arm is connected with one end of the speed limiting rope and one end of the rotating shaft, the second swing arm is connected between the rotating shaft and the safety tongs, the third swing arm is arranged on the other end of the rotating shaft, and the linkage rod is connected between the two third swing arms.

The utility model has the beneficial effects that:

According to the utility model, the connecting component is arranged between the lifting chain and the lifting frame, and when the chain is broken, the adjusting rod drives the proximity switch to move downwards through the spring, so that the state of the chain is detected, the potential safety hazard of the chain is avoided, and the safety performance of the lifting machine is improved;

Through setting up speed limiting mechanism, prevent that crane decline speed from being too fast, further improved the security performance of lifting machine.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic view of a lifting mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a connection assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the speed limiting mechanism in an embodiment of the utility model;

FIG. 5 is a schematic view of a linkage mechanism in an embodiment of the utility model;

In the figure: 1-lifting frame, 2-lifting frame, 3-conveying mechanism, 4-counterweight component, 5-lifting mechanism, 501-transmission shaft, 502-transmission wheel, 503-lifting chain, 504-driving motor, 505-guide wheel, 6-connecting component, 601-fixing seat, 602-adjusting rod, 603-hinging seat, 604-connecting plate, 605-top cover, 606-spring, 607-adjusting nut, 608-limit pin, 609-mounting plate, 610-proximity switch, 7-speed limiting mechanism, 701-speed limiting wheel, 702-expanding wheel, 703-speed limiting rope, 704-safety tongs, 705-speed limiting guide rail, 706-rotating shaft, 707-first swing arm, 708-second swing arm, 709-third swing arm and 710-linkage rod.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model, may be made by those skilled in the art after reading the present specification, are only protected by patent laws within the scope of the claims of the present utility model.

Examples: as shown in fig. 1 and 2, a reciprocating elevator includes: the lifting frame 1, a lifting frame 2 and a counterweight assembly 4 which are arranged in the lifting frame 1, a conveying mechanism 3 arranged on the lifting frame 2 and a lifting mechanism 5 which drives the lifting frame 2 and the counterweight assembly 4 to move, wherein the conveying mechanism 3 adopts a conventional roller conveyor.

The lifting mechanism 5 comprises a transmission shaft 501 arranged at the top of the lifting frame 1, a driving motor 504 for driving the transmission shaft 501 to rotate, a transmission wheel 502 arranged on the transmission shaft 501 and a lifting chain 503 wound on the transmission wheel 502, wherein two ends of the lifting chain 503 are respectively connected to the lifting frame 2 and the counterweight assembly 4.

Two ends of the transmission shaft 501 are respectively provided with two transmission wheels 502, the two transmission wheels 502 are respectively provided with lifting chains 503, the two lifting chains 503 at the same end are respectively connected to the left side and the right side of the lifting frame 2, and the number of the lifting chains 503 is four. One side of the driving wheel 502 is provided with a guide wheel 505, one lifting chain 503 is wound on the driving wheel 502 and the guide wheel 505 and then connected to the right side of the lifting frame 2 and the counterweight assembly 4, and the other lifting chain 503 is wound on the other driving wheel 502 and then connected to the left side of the lifting frame 2, so that the left side and the right side of the lifting frame 2 are uniformly stressed, and the stability is maintained.

As shown in fig. 1 and 3, a connecting assembly 6 for connecting the lifting chain 503 is arranged on the lifting frame 2, and the connecting assembly 6 comprises a fixed seat 601 fixed on the lifting frame 2, an adjusting rod 602 vertically penetrating through the fixed seat 601, a connecting plate 604 connected to the upper end of the adjusting rod 602, a top sleeve 605 arranged below the fixed seat 601 and sleeved on the adjusting rod 602, an adjusting nut 607 arranged below the top sleeve 605 and screwed on the adjusting rod 602, and a spring 606 connected between the top sleeve 605 and the adjusting nut 607.

The upper end of adjusting lever 602 is provided with articulated seat 603, and connecting plate 604 articulates on articulated seat 603, and the lower extreme of adjusting lever 602 is provided with spacer pin 608.

The adjusting rod 602 is sleeved with a mounting plate 609, the mounting plate 609 is arranged above the adjusting nut 607 and abuts against the lower end of the spring 606, the mounting plate 609 is provided with a proximity switch 610, the proximity switch 610 is located below the fixing seat 601, and when the adjusting rod 602 moves up and down, the mounting plate 609 and the proximity switch 610 move along with the adjusting rod 602.

When a certain lifting chain 503 is loosened or broken, the adjusting rod 602 drives the proximity switch 610 to move downwards under the action of the elastic force of the spring 606, so that the distance between the proximity switch 610 and the bottom surface of the fixing seat 601 is changed, and the proximity switch 610 transmits a change signal to the controller and the alarm to remind an operator of maintenance.

As shown in fig. 4 and 5, the elevator further includes a speed limiting mechanism 7, and the speed limiting mechanism 7 includes a speed limiting wheel 701 provided at an upper end of the lifting frame 1, an expanding wheel 702 provided at a lower end of the lifting frame 1, a speed limiting rope 703 connected between the speed limiting wheel 701 and the expanding wheel 702, safety tongs 704 provided at both sides of the lifting frame 2, a link mechanism connected between the two safety tongs 704 and the speed limiting rope 703, and a speed limiting guide 705 provided at both sides of the lifting frame 1.

The link mechanism includes a rotating shaft 706 separately provided at both sides of the lifting frame 2, a first swing arm 707 connected to one end of the speed limit rope 703 and the rotating shaft 706, a second swing arm 708 connected between the rotating shaft 706 and the safety gear 704, a third swing arm 709 provided at the other end of the rotating shaft 706, and a link lever 710 connected between the two third swing arms 709.

When the lifting frame 2 descends too fast, the speed limiting wheel 701 immediately acts, and when the lifting frame 2 descends, the speed limiting rope 703 pulls the safety tongs 704 through the link mechanism to operate, so that the safety tongs 704 generate friction force on the speed limiting guide rail 705, the lifting frame 2 is rapidly braked on the speed limiting guide rail 705, and the movement is stopped.

Claims

1. A reciprocating elevator comprising: lifting frame (1), set up crane (2) and counter weight subassembly (4) in lifting frame (1), set up transport mechanism (3) and drive on crane (2) lifting mechanism (5) that crane (2) and counter weight subassembly (4) removed, lifting mechanism (5) are including setting up transmission shaft (501) at lifting frame (1) top, drive transmission shaft (501) pivoted driving motor (504), set up drive wheel (502) on transmission shaft (501) and around establishing lifting chain (503) on drive wheel (502), the both ends of lifting chain (503) are connected respectively on crane (2) and counter weight subassembly (4), its characterized in that, be provided with on crane (2) be used for connecting lifting chain (503) coupling assembling (6), coupling assembling (6) are including fixing base (601) on crane (2), vertical wears to establish adjusting lever (602) on fixing base (601), connect adjusting lever (602), link and set up in just in top of adjusting lever (602) top cover (602) is in the top of setting up on fixing base (602) respectively The device comprises a top sleeve (605), an adjusting nut (607) and a spring (606), wherein the adjusting nut (607) is arranged below the top sleeve (605) and is in threaded connection with the adjusting rod (602), the spring (606) is connected between the top sleeve (605) and the adjusting nut (607), a proximity switch (610) is arranged below the fixing seat (601), and the proximity switch (610) moves up and down along with the adjusting rod (602).

2. The reciprocating elevator of claim 1, wherein: the upper end of the adjusting rod (602) is provided with a hinging seat (603), and the connecting plate (604) is hinged on the hinging seat (603).

3. A reciprocating elevator according to claim 2, characterized in that: and a limiting pin (608) is arranged at the lower end of the adjusting rod (602).

4. A reciprocating elevator according to claim 3, characterized in that: the adjusting rod (602) is sleeved with a mounting plate (609), the mounting plate (609) is arranged above the adjusting nut (607), and the proximity switch (610) is fixed on the mounting plate (609).

5. The reciprocating elevator of claim 1, wherein: two ends of the transmission shaft (501) are respectively provided with two transmission wheels (502), the two transmission wheels (502) are respectively provided with lifting chains (503), and the two lifting chains (503) are respectively connected to the left side and the right side of the lifting frame (2).

6. The reciprocating elevator of claim 1, wherein: the elevator further comprises a speed limiting mechanism (7), wherein the speed limiting mechanism (7) comprises a speed limiting wheel (701) arranged at the upper end of the lifting frame (1), a tension wheel (702) arranged at the lower end of the lifting frame (1), a speed limiting rope (703) connected between the speed limiting wheel (701) and the tension wheel (702), safety tongs (704) arranged at two sides of the lifting frame (2), a connecting rod mechanism connected between the two safety tongs (704) and the speed limiting rope (703) and a speed limiting guide rail (705) arranged at two sides of the lifting frame (1).

7. The reciprocating elevator of claim 6, wherein: the connecting rod mechanism comprises rotating shafts (706) which are respectively arranged at two sides of the lifting frame (2), first swinging arms (707) which are connected with one ends of the speed limiting ropes (703) and the rotating shafts (706), second swinging arms (708) which are connected between the rotating shafts (706) and the safety tongs (704), third swinging arms (709) which are arranged at the other ends of the rotating shafts (706), and a linkage rod (710) which is connected between the two third swinging arms (709).