Elevator traction belt and traction device

Abstract

The elevator traction belt comprises a traction belt body formed by an installation layer provided with a plurality of sets of channels, a plurality of sets of through grooves are formed in the side faces of the two sides of the installation layer, and compared with a traditional traction steel belt structure, the multiple sets of through grooves formed in the corresponding side faces of the installation layer on the traction belt body are communicated with the through grooves in the installation layer. The traction belt body can be arranged according to an adaptive structure of a traction wheel in a traction device, a certain position limiting effect is achieved in the rotating process, and when the traction belt body is in the stretching state, the acting force between the traction belt body and the traction wheel of the traction device can be further increased through the convex structures formed between the through grooves and the corresponding side faces of the installation layer. The phenomenon that the position of the traction belt body deviates or even shifts in the moving process is reduced, meanwhile, the abrasion degree of the side face corresponding to the installation layer on the traction belt can be effectively reduced in the long-term operation process, and the service life of the corresponding installation layer on the traction belt body is properly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely relates to a kind of elevator traction belt and traction device. BACKGROUND

[0002] Traction system is one of the important component systems of eight systems of traction elevator, usually under the driving of traction device, through traction wheel and the traction steel belt or traction steel wire rope acting on it, it drives elevator to move up and down. Among them, the traction belt or traction rope is a key component for transmitting power and driving elevator car and counterweight in elevator system, and its main function is to carry the load of the elevator and transmit the power of the motor to the elevator car through friction.

[0003] At present, the common traction steel belt structure acting on the traction wheel is driven by the traction device during movement, and the outer surface is mostly set as a flat smooth structure. In the long-term operation process, it is easy to aggravate the wear degree of the outer surface of the traction steel belt. At the same time, the flat traction steel belt is in a long-term stretched state, which is also easy to aggravate the wear degree of the traction wheel. With the conventional traction device, the position deviation or even displacement phenomenon is easy to occur during the movement of the traction steel belt through the traction wheel, which is easy to cause the cracking of the surface of the traction steel belt and even the rupture of the internal rope, increasing the safety hazard in the operation process of the elevator. SUMMARY

[0004] The utility model aims at providing a kind of elevator traction belt and traction device, the structure setting of the traction belt cooperates with traction device can effectively reduce the probability of the occurrence of position deviation or even displacement phenomenon of traction belt, further improve the conveying stability and conveying efficiency of traction belt, improve the stability and safety in the operation process of elevator.

[0005] The technical scheme adopted by the utility model to solve the above problems is:

[0006] A kind of elevator traction belt, including the traction belt main body formed by installation layer being provided with several groups of passageways, a plurality of groups of through grooves are provided on the both sides of the installation layer.

[0007] Preferably, an anti-slip layer is provided on the corresponding side of the installation layer corresponding to the adjacent through grooves on the side of the installation layer.

[0008] Preferably, the traction device includes a traction belt, a traction wheel for conveying the traction belt, and a traction machine for driving the traction wheel to rotate. The traction machine and the traction wheel are installed on a fixed frame. A plurality of grooves are provided around the traction wheel and are adapted to the size of the traction belt. A plurality of isolation strips are provided around the grooves and are adapted to the size of the through grooves.

[0009] Preferably, the traction sheave comprises a first driving wheel connected with the traction machine and a second driving wheel arranged on the side of the traction machine corresponding to the structure of the first driving wheel and slidingly installed on the fixed frame through a connecting seat, the second driving wheel is rotationally arranged on the connecting seat, and the connecting seat slides left and right along the corresponding position of the fixed frame through the adjusting members rotationally arranged on the fixed frame on both sides of the connecting seat.

[0010] Preferably, the traction sheave further comprises a third driving wheel arranged on the side of the traction belt corresponding to the structure of the second driving wheel and slidingly installed on the fixed frame through a second connecting seat, the second driving wheel and the third driving wheel are arranged on both sides of the traction belt in a close manner, and the second connecting seat slides left and right along the corresponding position of the fixed frame through the second adjusting members rotationally arranged on the fixed frame on both sides of the second connecting seat.

[0011] Preferably, the second driving wheel and the third driving wheel are further provided with a connecting assembly, the connecting assembly comprises two groups of third connecting seats slidingly arranged on the adjusting members and the second adjusting members on the connecting seat and the second connecting seat respectively, and two groups of compression springs connected on one side of the third connecting seat.

[0012] Compared with the prior art, the utility model has the following advantages and effects:

[0013] The utility model discloses a kind of elevator traction belt and traction device, compared with traditional traction steel belt structure, the several groups of through slots opened on the side surface of the installation layer corresponding to the traction belt main body, can be set to the adaptive structure of traction sheave in traction device, play certain position limiting effect in rotation process, and the convex structure formed on the side surface of the installation layer corresponding between the through slots in the traction belt main body under the stretching state, can further increase the force between traction device traction sheave, reduce the phenomenon that traction belt main body appears position deviation even displacement in moving process, also effectively reduce the degree of wear caused to the side surface of the installation layer on traction belt in long-term operation process, appropriately prolong the service life of the corresponding installation layer on traction belt main body, reduce the phenomenon that traction belt main body appears skid, skin cracking even internal rope body breaks in moving process, further improve the conveying stability and conveying efficiency of traction belt, improve the stability and safety in elevator operation process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the traction belt of the utility model embodiment.

[0015] Figure 2 It is the whole structure schematic view of a kind of elevator traction belt and traction device of the utility model embodiment.

[0016] Figures 3-4It is the partial enlarged view of elevator traction belt and traction device of the utility model embodiment.

[0017] The drawing number is: fixed frame 100, sliding groove 101, second sliding groove 102, threaded hole 103, traction belt 1, installation layer 11, passageway 111, through slot 112, convex structure 113, antiskid layer 114, traction wheel 2, groove 20, isolation strip 201, first transmission wheel 21, second transmission wheel 22, connecting seat 221, third transmission wheel 23, second connecting seat 231, third connecting seat 24, compression spring 25, connecting assembly 26, traction machine 3, adjusting part 4, second adjusting part 5, threaded rod 450, nut 451. DETAILED DESCRIPTION

[0018] The utility model will be preferably described in detail in combination with the drawings and through the embodiment, the following embodiment is the explanation of the utility model and the utility model is not limited to the following embodiment.

[0019] Referring to Figure 1 The embodiment relates to a kind of elevator traction belt 1, including the installation layer 11 formed by the traction belt 1 main body of being opened with several groups of passageway 111, the two sides of the installation layer 11 are opened with multiple groups of through slot 112 on side surface.

[0020] Specifically in the embodiment, as Figure 1The structure of the elevator traction belt 1 body is shown. During the early installation process, a plurality of groups of passages 111 are provided in the installation layer 11 to pass the corresponding number of steel wires. After the installation is completed, the traction belt 1 body can be installed on the traction device of the conventional traction elevator. Meanwhile, the installation layer 11 of the traction belt 1 body can be installed on the two sides of the installation layer 11. The plurality of groups of through grooves 112 are provided on the corresponding side of the installation layer 11. The convex structure 113 formed between the through grooves 112 on the corresponding side of the installation layer 11 can rotate under the drive of the traction device. Compared with the traditional traction steel belt structure, the plurality of groups of through grooves 112 provided on the corresponding side of the installation layer 11 can be adapted to the structure of the traction sheave 2 in the traction device. During rotation, it plays a certain position limiting role. In the stretched state, the convex structure 113 formed between the through grooves 112 on the corresponding side of the installation layer 11 can further increase the force between the traction sheave 2 and the traction device, reduce the position deviation or even displacement of the traction belt 1 body during movement, effectively reduce the wear degree of the corresponding side of the installation layer 11 of the traction belt 1 during long-term operation, appropriately prolong the service life of the corresponding installation layer 11 of the traction belt 1 body, reduce the phenomenon of slipping, skin cracking or even internal rope rupture of the traction belt 1 body during movement, further improve the conveying stability and efficiency of the traction belt 1, and improve the stability and safety of the elevator during operation.

[0021] The corresponding side of the installation layer 11 between the adjacent through grooves 112 on the side of the installation layer 11 is provided with an anti-skid layer 114. As can be seen from Figure 1 , the anti-skid layer 114 can be adapted and added according to the requirements, and the anti-skid structure such as groove or convex pattern is added on the corresponding position of the side of the installation layer 11, so as to play a certain anti-skid and wear-resistant effect, further improve the contact effect between the traction belt 1 body and the traction sheave 2 in the traction device of the elevator, reduce the phenomenon of slipping of the traction belt 1 body, further improve the conveying stability and efficiency of the traction belt 1 body, and meet different requirements.

[0022] Referring to Figures 2-3 , the traction device comprises a traction belt 1, a traction sheave 2 for conveying the traction belt 1, and a traction machine 3 for driving the traction sheave 2 to rotate. The traction machine 3 and the traction sheave 2 are installed on the fixed frame 100. A plurality of groups of grooves 20 adapted to the size of the traction belt 1 are provided around the traction sheave 2. A plurality of groups of isolation strips 201 adapted to the size of the through groove 112 are provided around the groove 20. As can be seen from Figure 2As can be seen from the drawings, the fixing frame 100 is provided with a traction machine 3 and a traction wheel 2, and the traction machine 3 is connected to the traction wheel 2. The traction machine 3 can drive the traction wheel 2 to rotate, and the traction wheel 2 drives the traction belt 1 to move at the same time, thereby moving the elevator and the counterweight up and down. For details, please refer to Figure 3 As shown in the drawings, the traction wheel 2 rotates under the drive of the traction machine 3. A plurality of grooves 20 arranged on the traction wheel 2 can be installed and clamped on the corresponding number of traction belts 1. In addition, a plurality of isolation strips 201 arranged around the grooves 20 can be adapted and clamped on the plurality of through grooves 112 on the side of the installed layer 11 of the traction belt 1. Therefore, the adaptation structure of the traction wheel 2 in the traction device can effectively reduce the position deviation or even displacement of the traction belt 1 during movement, thereby further improving the stability of the traction belt 1 and the safety of the elevator during operation.

[0023] The traction wheel 2 includes a first transmission wheel 21 connected to the traction machine 3 and a second transmission wheel 22 arranged on the side of the traction machine 3 and adapted to the structure of the first transmission wheel 21 and slidably installed on the fixing frame 100 through the connecting seat 221. The second transmission wheel 22 is rotatably arranged on the connecting seat 221. The connecting seat 221 is slidably arranged on the fixing frame 100 through the adjusting member 4 rotatably arranged on both sides of the connecting seat 221. Specifically, the traction machine 3 can drive the first transmission wheel 21 to rotate, and simultaneously drive the second transmission wheel 22 on the connecting seat 221 to rotate under the connection of the traction belt 1. The position of the second transmission wheel 22 can be adjusted through the sliding groove 101 arranged on the corresponding position of the fixing frame 100 and the adjusting member 4 arranged on both sides of the connecting seat 221. The adjusting member 4 can be adapted to the structure of the conventional threaded rod 450 and the nut 451 rotatably arranged thereon. The threaded rod 450 can be adapted to the threaded hole 103 arranged on the corresponding position of the fixing frame 100 on both sides of the connecting seat 221. The connecting seat 221 is abutted by the rotation of the threaded rod 450, and the locking of the threaded rod 450 is realized by rotating the plurality of nuts 451 arranged on both sides of the threaded hole 103 on the threaded rod 450. Therefore, the different position adjustment and corresponding position locking of the second transmission wheel 22 are realized through the adjusting member 4, and the tensioning process of the traction belt 1 on the traction wheel 2 is realized, thereby improving the structural flexibility of the traction device and the stability of the traction belt 1, meeting different use requirements, and improving the use flexibility and operation convenience.

[0024] As Figure 2 or Figure 4As shown, the traction sheave 2 further comprises a third driving wheel 23 which is arranged in the structure of the second driving wheel 22 and is slidably mounted on the fixed frame 100 through the second connecting seat 231, the second driving wheel 22 and the third driving wheel 23 are arranged on the two sides of the traction belt 1 respectively, the second connecting seat 231 is slidably arranged on the corresponding position of the fixed frame 100 through the second adjusting member 5 which is rotatably arranged on the two sides of the second connecting seat 231, the third driving wheel 23, the second connecting seat 231 and the second adjusting member 5 are arranged in the adaptive structure with the second driving wheel 22, the connecting seat 221 and the adjusting member 4 respectively, specifically, the third driving wheel 23 which is rotatably arranged on the second connecting seat 231 can be adjusted and locked in the left and right positions through the second adjusting member 5 which is arranged on the corresponding position of the fixed frame 100 on the two sides of the second connecting seat 231, and the sliding groove 101 which is arranged on the corresponding position of the fixed frame 100, combined with the installation position of the third driving wheel 23, the two sides of the installation layer 11 of the traction belt 1 can be pressed and rotated by the second driving wheel 22 respectively, so that the position of the second driving wheel 22 and the third driving wheel 23 can be adjusted conveniently, and the phenomenon that the traction belt 1 deviates or even shifts due to the large fluctuation amplitude of the traction belt 1 during movement can be effectively reduced, and the stability and efficiency of the traction belt 1 during movement are further improved.

[0025] The connecting assembly 26 is additionally arranged between the second transmission wheel 22 and the third transmission wheel 23, and comprises a connecting seat 221 and a second connecting seat 231, two groups of third connecting seats 24 slidingly arranged on the adjusting member 4 and the second adjusting member 5, and two groups of compression springs 25 connected to one side of the third connecting seats 24. The structure of the connecting assembly 26 between the second transmission wheel 22 and the third transmission wheel 23 is additionally arranged, which can cooperate with the third connecting seats 24 and the adaptive compression springs 25 connected to one side of the third connecting seats 24. The third connecting seats 24 are provided with through holes and can slide left and right along the second sliding groove 102 arranged at the corresponding position of the fixed frame 100. The corresponding threaded rods 450 of the adjusting member 4 and the second adjusting member 5 can be adapted to pass through the through holes arranged at the corresponding position of the third connecting seats 24. The compression springs 25 can be sleeved on the periphery of the threaded rods 450 and are adapted to be pressed between the third connecting seats 24 through the groups of nuts 451 rotatably arranged on the threaded rods 450. The elastic force of the compression springs 25 can be adjusted and locked by rotating the groups of nuts 451 at the corresponding position of the threaded rods 450. The additional structure of the connecting assembly 26 can further improve the connection stability and compactness between the second transmission wheel 22 and the third transmission wheel 23, and the stability during the movement of the traction belt 1. The adjustment is convenient, and the effect and transmission efficiency of the second transmission wheel 22 and the third transmission wheel 23 are further improved. The functionality, stability, and efficiency of the traction device are improved, and the applicability and practicality are improved.

[0026] The above description in the specification is only an example of the present application. Those skilled in the art can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, as long as they do not deviate from the content of the specification or exceed the scope defined by the claims.

Claims

1. An elevator hoist belt comprising a hoist belt body formed by a plurality of sets of passages opened in a mounting layer, characterized by: A plurality of groups of through grooves are formed on both sides of the installation layer.

2. The elevator belt according to claim 1, characterized in that: An anti-skid layer is arranged on the corresponding side of the installation layer between adjacent through grooves.

3. A traction device, characterized by: The elevator traction belt and the traction wheel for conveying the traction belt and the traction machine for driving the traction wheel to rotate are installed on a fixed frame, the traction wheel is provided with a plurality of groups of grooves with a size adapted to the traction belt, and a plurality of groups of isolation strips with a size adapted to the through grooves are arranged in the grooves.

4. The traction device of claim 3, wherein: The traction wheel comprises a first transmission wheel connected with the traction machine and a second transmission wheel with a structure adapted to the first transmission wheel and slidably installed on the fixed frame through a connecting seat, the second transmission wheel is rotatably arranged on the connecting seat, and the connecting seat is slidably arranged on the fixed frame through adjusting members rotatably arranged on both sides of the connecting seat.

5. The traction device of claim 4, wherein: The traction wheel further comprises a third transmission wheel with a structure adapted to the second transmission wheel and slidably installed on the fixed frame through a second connecting seat, the second transmission wheel and the third transmission wheel are respectively arranged on both sides of the traction belt, the second connecting seat is slidably arranged on the fixed frame through second adjusting members rotatably arranged on both sides of the second connecting seat.

6. The traction device of claim 5, wherein: The second transmission wheel and the third transmission wheel are further provided with a connecting assembly, the connecting assembly comprises two groups of third connecting seats slidably arranged on the adjusting members and the second adjusting members on the connecting seat and the second connecting seat, and two groups of compression springs connected on one side of the third connecting seat.

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