CN221069703U - Conveyer belt overspeed device tensioner and belt feeder - Google Patents
Conveyer belt overspeed device tensioner and belt feeder Download PDFInfo
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- CN221069703U CN221069703U CN202322728449.7U CN202322728449U CN221069703U CN 221069703 U CN221069703 U CN 221069703U CN 202322728449 U CN202322728449 U CN 202322728449U CN 221069703 U CN221069703 U CN 221069703U
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000008093 supporting effect Effects 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims 4
- 230000008859 change Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009471 action Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002390 adhesive tape Substances 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a conveyor belt tensioning device and a belt conveyor, wherein the conveyor belt tensioning device comprises a tensioning roller matched with a conveyor belt roller, the tensioning roller is arranged on a tensioning frame in a sliding manner through a sliding frame, and an elastic supporting mechanism is arranged between the sliding frame and the tensioning frame; the belt conveyor comprises the conveyor belt tensioning device. The elastic supporting mechanism that this technical scheme set up can play the technological effect of self-adaptation, and when the conveyer belt was propped tightly or become loose along with it under different operating modes, elastic propping mechanism can drive the carriage relatively to take up the frame change position in step, and then keeps the conveyer belt to be in suitable tensioning force all the time. Namely, when the conveying belt enters a turning working condition, the elastic tightening mechanism provides elongation compensation quantity; when the conveyer belt enters the straight line working condition from the turning working condition, the elastic tightening mechanism provides tension force, and then the conveyer belt is ensured to be in a proper tensioning state all the time.
Description
Technical Field
The utility model relates to the technical field of belt conveyors, in particular to a conveyor belt tensioning device and a belt conveyor.
Background
The tensioning device is one of main components of the belt conveyor and is mainly used for providing tensioning force of the adhesive tape, so that slipping phenomenon is avoided when the adhesive tape runs, and elongation change is generated in the use process of the adhesive tape.
Particularly, the belt conveyor applied to tunneling construction is characterized in that the belt conveyor for conveying slag soil needs to synchronously turn along with the tunneling machine due to a linear structure with a non-continuous tunnel trend, so that when the tunneling machine enters a turning section, the posture of the belt conveyor is gradually changed from a straight line to a curve, the length of the belt conveyor is gradually prolonged, and the tension of an adhesive tape is gradually increased. When the heading machine is driven out of the turning section, the posture of the belt conveyor is gradually converted from a curve into a straight line, the length of the belt conveyor is gradually shortened, and the tension of the adhesive tape is reduced. Thus, frequent adjustments to the tensioning device are required to maintain the tension of the tape as the heading machine enters and exits the turn section.
The existing belt conveyor tensioning device for the small curve heading machine mostly adopts spiral mechanical tensioning or oil cylinder tensioning, the tensioning force cannot be adjusted in real time during working, the tensioning device is required to be manually and frequently adjusted, the working strength is increased, and the construction efficiency is reduced. For example, china patent number of issued publication is 2022.08.30 and CN 217321986U discloses an automatic tensioning device of a belt conveyor, which comprises a winch bracket, a travelling trolley, a steel wire rope and a controller; the tensioning winch is arranged on the winch support, the guide pulley is arranged at the front end of the winch support, and the fixed pulley group is arranged at the rear end of the winch support; the travelling trolley is arranged behind the winch support, and is provided with a group of movable pulleys; the steel wire rope sequentially winds around the tensioning winch, the guide pulley, the fixed pulley and the movable pulley and is connected with a tensioning frame of the belt conveyor through a tension sensor; the signal output end of the tension sensor is connected with the signal input end of the controller, and the signal output end of the controller is connected with the winch motor control end of the tensioning winch.
For example, chinese patent publication No. CN 217497524U, entitled "publication No. 2022.09.27", discloses a belt tensioner comprising: the device comprises a frame, a sliding rail, a sliding plate, a roller and a sliding seat, wherein bolts are arranged on the frame in a penetrating way, and nuts are connected to the bolts in a threaded way; two ends of the sliding rail are connected to the frame, and the sliding rail is provided with a sliding groove for embedding a bolt; the sliding plate is provided with a groove for embedding the sliding rail; the roller is rotatably arranged on the sliding plate; the sliding seat is detachably connected to the sliding plate and seals the groove, and the nut is fixedly connected to the sliding seat. The bolt is rotated by the spanner, and the nut is welded with the sliding seat, so that the nut does not rotate along with the bolt, but moves along the length direction of the bolt, and the sliding rail is embedded in the sliding groove. The nut drives the sliding seat and the sliding plate to move along the sliding rail, and the sliding plate drives the roller to tighten or loosen the belt so as to adjust the tension of the belt.
Disclosure of utility model
Aiming at the defects in the background technology, the utility model provides a conveyor belt tensioning device and a belt conveyor, which solve the technical problem that the conventional belt tensioning device needs to be manually and frequently adjusted according to working condition changes.
The technical scheme of the application is as follows:
The utility model provides a conveyer belt overspeed device tensioner, includes with conveyer belt cylinder complex tensioning cylinder, tensioning cylinder passes through the carriage slip setting on the tensioning frame, the carriage with be provided with elastic support mechanism between the tensioning frame. The elastic supporting mechanism that this technical scheme set up can play the technological effect of self-adaptation, and when the conveyer belt was propped tightly or become loose along with it under different operating modes, elastic propping mechanism can drive the carriage relatively to take up the frame change position in step, and then keeps the conveyer belt to be in suitable tensioning force all the time. Namely, when the conveying belt enters a turning working condition, the elastic tightening mechanism provides elongation compensation quantity; when the conveyer belt enters the straight line working condition from the turning working condition, the elastic tightening mechanism provides tension force, and then the conveyer belt is ensured to be in a proper tensioning state all the time.
Further, the elastic supporting mechanism comprises an adjusting rod connected to one side, deviating from the conveying belt, of the sliding frame, one end, deviating from the sliding frame, of the adjusting rod is matched with the tensioning frame in an inserting mode, a stop structure is arranged at one end, penetrating out of the tensioning frame, of the adjusting rod, and an adjusting spring or an oil cylinder with a tension detecting function is arranged between the stop structure and the tensioning frame. On the basis of the technical scheme, the technical scheme provides the preferable technical scheme of the conveyer belt tensioning device, the elastic action part is arranged outside the tensioning frame and is positioned on one side deviating from the conveyer belt, the self-adaptive position change of the sliding frame is realized through the adjusting spring, the guiding is provided for the adjusting spring through the adjusting rod, and the structure is simple and the effect is outstanding. The adjusting rod piece can be a screw rod, or a rod piece with other cross section, such as a square cross section, a rectangular cross section, an oval cross section or a special cross section, and the guiding function of the adjusting spring is guaranteed no matter what type of rod piece is used. The adjusting spring preferably uses a spiral spring, the spiral spring is in nested fit with the adjusting rod piece, other types of springs such as an air spring can be used, but the adjusting spring can push the sliding frame and pull the sliding frame, and the sliding frame is always in an elastic action state.
Or the elastic supporting mechanism comprises a rod piece connected to one side of the sliding frame, which is close to the conveying belt, one end of the rod piece, which is away from the sliding frame, is in penetrating fit with the tensioning frame, one end of the rod piece, which penetrates out of the tensioning frame, is provided with a stop structure, and an adjusting spring or an oil cylinder with a tension detection function is arranged between the stop structure and the tensioning frame. The technical scheme provides another preferable technical scheme of the conveyor belt tensioning device, and the elastic action component is arranged outside the tensioning frame, but is positioned at one side close to the conveyor belt, and other structures and corresponding technical effects are the same as those of the technical scheme: the self-adaptive position change of the sliding frame is realized through the adjusting spring, the adjusting rod piece provides guidance for the adjusting spring, and the sliding frame has a simple structure and an outstanding effect. The adjusting rod piece can be a screw rod, or a rod piece with other cross section, such as a square cross section, a rectangular cross section, an oval cross section or a special cross section, and the guiding function of the adjusting spring is guaranteed no matter what type of rod piece is used. The adjusting spring preferably uses a spiral spring, the spiral spring is in nested fit with the adjusting rod piece, other types of springs such as an air spring can be used, but the adjusting spring can push the sliding frame and pull the sliding frame, and the sliding frame is always in an elastic action state.
Further, the stop structure comprises an adjusting nut in threaded connection with the rod piece, and the adjusting spring or the oil cylinder with tension detection function is arranged between the adjusting nut and the tensioning frame. On the basis of the technical scheme, the technical scheme provides the preferable technical scheme of the conveyer belt tensioning device, so that the initial tensioning force provided by the adjusting spring can be adjusted, the initial elasticity provided by the adjusting spring is changed by screwing the adjusting nut, and then the conveyer belt tensioning device is suitable for various different working conditions. Of course, the adjusting nut can be adjusted according to specific construction requirements in the construction process.
Further, a cushion block is arranged between the adjusting nut and the adjusting spring. On the basis of the technical scheme, the technical scheme provides the preferable technical scheme of the conveyer belt tensioning device, the structure of the adjusting nut can be simplified by arranging the cushion blocks, the adjusting nut only needs to provide supporting effect, the supporting of the adjusting spring is realized by the cushion blocks, and the cushion blocks of different types can be conveniently replaced according to different adjusting springs.
Further, the tensioning frame comprises at least two guide rails which are arranged at intervals in parallel, the sliding frame is in sliding fit with the tensioning frame through sliding grooves matched with the guide rails, and the number of the elastic supporting mechanisms is the same as that of the guide rails. On the basis of the technical scheme, the technical scheme provides the preferable technical scheme of the conveyer belt tensioning device, a plurality of groups of guide structures and corresponding elastic supporting mechanisms are arranged between the tensioning frame and the sliding frame, the tensioning stability, smoothness and reliability are further improved, and the response speed can be improved.
Or the tensioning frame is provided with a sliding rail, the sliding frame is provided with a sliding rail sleeved with the sliding rail, the elastic supporting mechanism comprises a spring sleeved on the sliding rail, and two ends of the spring or an oil cylinder with a tension detecting function are respectively supported on the sliding frame and the tensioning frame. The technical scheme provides another preferable technical scheme of the conveyor belt tensioning device, namely the elastic action component is arranged at the inner position of the tensioning frame, so that the sliding rail of the tensioning frame is used as a guiding structure of the spring.
Or the tensioning frame is provided with a sliding sleeve, the sliding frame is provided with a sliding block which is arranged in the sliding sleeve in a sliding way, the elastic supporting mechanism comprises a spring which is positioned in the sliding sleeve, and two ends of the spring or an oil cylinder with a tension detecting function are respectively supported on the sliding frame and the tensioning frame. The technical scheme provides another preferable technical scheme of the conveyor belt tensioning device, namely the elastic action component is arranged at the inner position of the tensioning frame, so that the sliding sleeve of the tensioning frame is used as a guiding structure of the spring.
Or the sliding frame is provided with a guide rod in sliding fit, the axial direction of the guide rod is parallel to the sliding direction of the sliding frame, a spring is sleeved outside the guide rod, and two ends of the spring or an oil cylinder with a tension detection function are respectively supported on the sliding frame and the tensioning frame. The technical scheme provides another preferable technical scheme of the conveyor belt tensioning device, namely the elastic action component is arranged at the inner position of the tensioning frame, so that the guide rod of the tensioning frame is used as a guide structure of the spring.
Further, the spring or the oil cylinder with tension detection function is arranged on one side of the sliding frame close to the conveying belt or one side of the sliding frame away from the conveying belt. On the basis of the technical scheme, the technical scheme provides a preferable technical scheme of the conveyor belt tensioning device, namely the springs can be arranged on any side of the sliding frame, and the springs can be arranged in a movable mode or a fixed connection mode according to specific positions. For example, when the spring is arranged on the side of the carriage close to the conveyor belt, the spring can take a movable form independent of the carriage and the tensioning frame, and the spring can take a fixed connection form connected with the carriage and the tensioning frame. If the spring is arranged on one side of the sliding frame, which is far away from the conveying belt, the spring adopts a fixed connection mode connected with the sliding frame and the tensioning frame.
A belt conveyor comprising a conveyor belt driven by an active roller, comprising a conveyor belt tensioner as described in any one of the above claims.
Compared with the prior art, the technical scheme of the utility model has the following technical effects:
The self-adaptive real-time adjusting device for the tension force of the belt conveyor realizes the self-adaptive real-time adjusting function of the tension force of the belt conveyor when the heading machine turns in and out, solves the problem of manually and frequently adjusting the tension device, reduces the working strength and improves the construction efficiency. The elastic supporting mechanism provided by the utility model has the technical effect of self-adaption, and when the conveyer belt is tightened or loosened under different working conditions, the elastic tightening mechanism can synchronously drive the sliding frame to change positions relative to the tensioning frame, so that the conveyer belt is always kept at proper tension. Namely, when the conveying belt enters a turning working condition, the elastic tightening mechanism provides elongation compensation quantity; when the conveyer belt enters the straight line working condition from the turning working condition, the elastic tightening mechanism provides tension force, and then the conveyer belt is ensured to be in a proper tensioning state all the time.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a front view of the present utility model;
fig. 2 is a top view of fig. 1.
Reference numerals illustrate:
1 tensioning frame, 2 tensioning roller, 3 carriage, 4 adjusting spring, 5 cushion, 6 adjusting nut, 7 screw-nut, 8 adjusting rod, 9 conveyer belt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be obtained by those skilled in the art without any inventive effort, are within the scope of the present utility model based on the core idea of the present utility model and the following embodiments.
A conveyor belt tensioning device, as shown in fig. 1 and 2, comprises a tensioning roller 2 matched with a roller of a conveyor belt 9, wherein the tensioning roller 2 is slidably arranged on a tensioning frame 1 through a sliding frame 3, an elastic supporting mechanism is arranged between the sliding frame 3 and the tensioning frame 1, and in the use process, the sliding frame 3 is driven to change position relative to the tensioning frame 1 through the pulling force or pushing force provided by the elastic supporting mechanism.
The elastic supporting mechanism that this technical scheme set up can play the technological effect of self-adaptation, and when conveyer belt 9 was propped tightly or become loose along with it under different operating modes, elastic propping mechanism can drive carriage 3 relatively tensioning frame 1 in step and change the position, and then keeps conveyer belt 9 to be in suitable tensioning force all the time. Namely, when the conveying belt 9 enters a turning working condition, the elastic tightening mechanism provides elongation compensation quantity; when the conveyer belt 9 enters the straight line working condition from the turning working condition, the elastic tightening mechanism provides tightening force, so that the conveyer belt 9 is always in a proper tightening state.
On the basis of the above embodiment, the present technical solution provides a preferred embodiment of the conveyor belt tensioning device, the elastic supporting mechanism comprises an adjusting rod 8 connected to the side of the carriage 3 facing away from the conveyor belt 9, and the adjusting rod 8 is connected to the carriage 3 by means of a screw nut 7. One end of the adjusting rod piece 8, which is away from the sliding frame 3, is in penetrating fit with the tensioning frame 1, a stop structure is arranged at one end of the adjusting rod piece 8, which penetrates out of the tensioning frame 1, and an adjusting spring 4 or an oil cylinder with a tension detection function is arranged between the stop structure and the tensioning frame 1.
According to the technical scheme, the elastic action part is arranged outside the tensioning frame 1 and is located on one side deviating from the conveying belt 9, the self-adaptive position change of the sliding frame 3 is realized through the adjusting spring 4, the guiding is provided for the adjusting spring 4 through the adjusting rod piece 8, and the structure is simple and the effect is outstanding. The adjusting rod 8 can be a screw rod, or a rod with other cross-section, such as a square cross-section rod, a rectangular cross-section rod, an oval cross-section rod, or a special cross-section rod, and the guiding function of the adjusting spring 4 is guaranteed no matter what type of rod is used. The adjusting spring 4 preferably uses a spiral spring, which is in nested fit with the adjusting rod 8, but other types of springs, such as an air spring, can be used, so that the adjusting spring 4 can push the sliding frame 3 and pull the sliding frame 3, and the sliding frame 3 is always in a state of elastic action.
The technical scheme provides another preferred embodiment of the conveyor belt tensioning device, which comprises a tensioning roller 2 matched with a roller of a conveyor belt 9, wherein the tensioning roller 2 is arranged on a tensioning frame 1 in a sliding manner through a sliding frame 3, an elastic supporting mechanism is arranged between the sliding frame 3 and the tensioning frame 1, and in the use process, the sliding frame 3 is driven to change position relative to the tensioning frame 1 through pulling force or pushing force provided by the elastic supporting mechanism.
The elastic supporting mechanism comprises a rod connected to one side of the sliding frame 3 close to the conveying belt 9, one end of the rod, deviating from the sliding frame 3, is in penetrating fit with the tensioning frame 1, one end of the rod 8, penetrating out of the tensioning frame 1, is provided with a stop structure, and an adjusting spring 4 or an oil cylinder with a tension detecting function is arranged between the stop structure and the tensioning frame 1.
In this technical solution, the elastic action member is also provided outside the tension bracket 1, but is located at one side close to the conveyor belt 9, and other structures and corresponding technical effects are the same as those of the above technical solution: the self-adaptive position change of the sliding frame 3 is realized through the adjusting spring 4, the guiding is provided for the adjusting spring 4 through the adjusting rod piece 8, the structure is simple, and the effect is outstanding. The adjusting rod 8 can be a screw rod, or a rod with other cross-section, such as a square cross-section rod, a rectangular cross-section rod, an oval cross-section rod, or a special cross-section rod, and the guiding function of the adjusting spring 4 is guaranteed no matter what type of rod is used. The adjusting spring 4 preferably uses a spiral spring, which is in nested fit with the adjusting rod 8, but other types of springs, such as an air spring, can be used, so that the adjusting spring 4 can push the sliding frame 3 and pull the sliding frame 3, and the sliding frame 3 is always in a state of elastic action.
On the basis of the above embodiment, the present technical solution provides a preferred embodiment of the conveyor belt tensioning device, the stop structure comprises an adjusting nut 6 in threaded connection with a rod member 8, and the adjusting spring 4 or an oil cylinder with tension detecting function is arranged between the adjusting nut 6 and the tensioning frame 1.
According to the technical scheme, the initial tension provided by the adjusting spring 4 can be adjusted, the adjusting spring 4 is changed to provide initial elasticity by screwing the adjusting nut 6, and then various different working conditions are adapted. Of course, the adjusting nut 6 can also be adjusted during construction according to specific construction requirements.
On the basis of the above embodiment, the present technical solution provides a preferred embodiment of the conveyor belt tensioning device, and a cushion block 5 is arranged between the adjusting nut 6 and the adjusting spring 4. According to the technical scheme, the structure of the adjusting nut 6 can be simplified by arranging the cushion block 5, the adjusting nut 6 only needs to provide a supporting effect, the supporting of the adjusting spring 4 is realized by the cushion block 5, and the cushion blocks 5 of different types can be conveniently replaced according to different adjusting springs 4.
On the basis of the above embodiment, the present technical solution provides a preferred implementation manner of the conveyor belt tensioning device, the tensioning frame 1 includes at least two spaced and parallel arranged guide rails, the sliding frame 3 is in sliding fit with the tensioning frame 1 through sliding grooves matched with the respective guide rails, and the number of the elastic supporting mechanisms is the same as the number of the guide rails. According to the technical scheme, a plurality of groups of guide structures and corresponding elastic supporting mechanisms are arranged between the tensioning frame 1 and the sliding frame 3, so that the tensioning stability, smoothness and reliability are further improved, and the response speed can be improved.
The technical scheme provides another preferred embodiment of the conveyor belt tensioning device, which comprises a tensioning roller 2 matched with a roller of a conveyor belt 9, wherein the tensioning roller 2 is arranged on a tensioning frame 1 in a sliding manner through a sliding frame 3, an elastic supporting mechanism is arranged between the sliding frame 3 and the tensioning frame 1, and in the use process, the sliding frame 3 is driven to change position relative to the tensioning frame 1 through pulling force or pushing force provided by the elastic supporting mechanism.
The tensioning frame 1 is provided with a sliding rail, the sliding frame 3 is provided with a sliding rail sleeved with the sliding rail, the elastic supporting mechanism comprises a spring sleeved on the sliding rail, and two ends of the spring or an oil cylinder with a tension detecting function are respectively supported on the sliding frame 3 and the tensioning frame 1. According to the technical scheme, the elastic action part is arranged at the inner position of the tensioning frame 1, so that the sliding rail of the tensioning frame 1 is used as a guiding structure of a spring.
The technical scheme provides another preferred embodiment of the conveyor belt tensioning device, which comprises a tensioning roller 2 matched with a roller of a conveyor belt 9, wherein the tensioning roller 2 is arranged on a tensioning frame 1 in a sliding manner through a sliding frame 3, an elastic supporting mechanism is arranged between the sliding frame 3 and the tensioning frame 1, and in the use process, the sliding frame 3 is driven to change position relative to the tensioning frame 1 through pulling force or pushing force provided by the elastic supporting mechanism.
The tensioning frame 1 is provided with a sliding sleeve, the sliding frame 3 is provided with a sliding block which is arranged in the sliding sleeve in a sliding manner, the elastic supporting mechanism comprises a spring which is arranged in the sliding sleeve, and two ends of the spring or an oil cylinder with a tension detecting function are respectively supported on the sliding frame 3 and the tensioning frame 1. The technical proposal provides another preferable technical proposal of the conveyer belt tensioning device, namely, an elastic action part is arranged at the inner position of the tensioning frame 1, so that the sliding sleeve of the tensioning frame 1 is used as a guiding structure of a spring.
The technical scheme provides another preferred embodiment of the conveyor belt tensioning device, which comprises a tensioning roller 2 matched with a roller of a conveyor belt 9, wherein the tensioning roller 2 is arranged on a tensioning frame 1 in a sliding manner through a sliding frame 3, an elastic supporting mechanism is arranged between the sliding frame 3 and the tensioning frame 1, and in the use process, the sliding frame 3 is driven to change position relative to the tensioning frame 1 through pulling force or pushing force provided by the elastic supporting mechanism.
The sliding frame 3 is provided with a guide rod in sliding fit, the axial direction of the guide rod is parallel to the sliding direction of the sliding frame 3, a spring is sleeved outside the guide rod, and two ends of the spring or an oil cylinder with a tension detection function are respectively supported on the sliding frame 3 and the tensioning frame 1. The technical proposal provides another preferable technical proposal of the conveyer belt tensioning device, namely, an elastic action part is arranged at the inner position of the tensioning frame 1, so that the guide rod of the tensioning frame 1 is used as a guide structure of a spring.
On the basis of the above embodiment, the present solution provides a preferred embodiment of the conveyor belt tensioning device, wherein the spring or the oil cylinder with tension detection function is arranged on the side of the carriage 3 close to the conveyor belt 9 or on the side facing away from the conveyor belt 9.
The technical scheme illustrates that the spring can be arranged on any side of the sliding frame 3, and the spring can be arranged in a movable mode or a fixed connection mode according to specific positions. For example, when the spring is arranged on the side of the carriage 3 close to the conveyor belt 9, the spring can take a form of movement independent of the carriage 3 and the tensioning frame 1, or a form of fixed connection with the carriage 3 and the tensioning frame 1. If a spring is arranged on the side of the carriage 3 facing away from the conveyor belt 9, the spring is in a fixed connection to the carriage 3 and the tensioning frame 1.
As a further preferred embodiment of the conveyor belt tensioning device, it comprises a tensioning frame 1, a tensioning roller 2, a sliding frame 3, an adjusting spring 4, a spacer 5, an adjusting nut 6, a spindle nut 7, an adjusting rod 8, and a conveyor belt 9.
The sliding frame is arranged on the tensioning frame and can slide back and forth on the tensioning frame; the tensioning roller is arranged on the sliding frame and moves back and forth together with the sliding frame; the screw nut is arranged on the sliding frame and moves back and forth together with the sliding frame; one end of the adjusting rod piece is matched with the screw nut and can form a screw pair with the screw nut; the cushion block is arranged on the adjusting rod piece and can slide back and forth on the adjusting rod piece; the adjusting nut is arranged on the adjusting rod piece and is matched with the adjusting rod piece to form a screw pair; the adjusting spring is arranged on the adjusting rod piece and can slide freely on the adjusting rod piece, one end of the adjusting spring is connected with the tensioning frame, and the other end of the adjusting spring is connected with the cushion block.
In the embodiment, as described above, the adjusting spring is arranged at the tail part of the tensioning device, so that the tensioning device can be adaptively adjusted according to the tensioning force required by the belt conveyor during turning; the initial tension can be adjusted through the screw pair between the adjusting rod piece and the adjusting nut; the pre-tensioning of the tail roller can be realized by adjusting a screw pair between the rod piece and the screw nut; the belt conveyor can be suitable for deviation adjustment by adjusting initial tension on the left side and the right side.
A belt conveyor comprising a conveyor belt 9 driven by an active drum, comprising a conveyor belt tensioner as described in any one of the embodiments above.
The present utility model is not limited to the conventional technical means known to those skilled in the art.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (11)
1. A conveyor belt tensioner comprising a tensioning roller (2) cooperating with a conveyor belt (9) roller, characterized in that: the tensioning roller (2) is arranged on the tensioning frame (1) in a sliding mode through the sliding frame (3), and an elastic supporting mechanism is arranged between the sliding frame (3) and the tensioning frame (1).
2. The conveyor belt tensioner of claim 1, wherein: the elastic supporting mechanism comprises an adjusting rod (8) connected to one side, deviating from the conveying belt (9), of the sliding frame (3), one end, deviating from the sliding frame (3), of the adjusting rod (8) is matched with the tensioning frame (1) in a penetrating mode, a blocking structure is arranged at one end, penetrating out of the tensioning frame (1), of the adjusting rod (8), and an adjusting spring (4) or an oil cylinder with a tension detection function is arranged between the blocking structure and the tensioning frame (1).
3. The conveyor belt tensioner of claim 1, wherein: the elastic supporting mechanism comprises a rod piece connected to one side, close to the conveying belt (9), of the sliding frame (3), one end, away from the sliding frame (3), of the rod piece is matched with the tensioning frame (1) in a penetrating mode, one end, penetrating out of the tensioning frame (1), of the rod piece (8) is provided with a blocking structure, and an adjusting spring (4) or an oil cylinder with a tension detection function is arranged between the blocking structure and the tensioning frame (1).
4. A conveyor belt tensioner as in claim 2 or 3 wherein: the stop structure comprises an adjusting nut (6) in threaded connection with the rod piece (8), and the adjusting spring (4) or an oil cylinder with a tension detection function is arranged between the adjusting nut (6) and the tensioning frame (1).
5. The conveyor belt tensioner of claim 4, wherein: a cushion block (5) is arranged between the adjusting nut (6) and the adjusting spring (4).
6. A conveyor belt tensioner as in any one of claims 1-3, 5 wherein: the tensioning frame (1) comprises at least two guide rails which are arranged at intervals in parallel, the sliding frame (3) is in sliding fit with the tensioning frame (1) through sliding grooves matched with the guide rails, and the number of the elastic supporting mechanisms is the same as that of the guide rails.
7. The conveyor belt tensioner of claim 1, wherein: the tensioning frame (1) is provided with a sliding rail, the sliding frame (3) is provided with a sliding rail sleeved with the sliding rail, the elastic supporting mechanism comprises a spring sleeved on the sliding rail or an oil cylinder with a tension detecting function, and two ends of the spring or the oil cylinder with the tension detecting function are respectively supported on the sliding frame (3) and the tensioning frame (1).
8. The conveyor belt tensioner of claim 1, wherein: the tensioning frame (1) is provided with a sliding sleeve, the sliding frame (3) is provided with a sliding block which is arranged in the sliding sleeve in a sliding manner, the elastic supporting mechanism comprises a spring which is arranged in the sliding sleeve, and two ends of the spring or an oil cylinder with a tension detecting function are respectively supported on the sliding frame (3) and the tensioning frame (1).
9. The conveyor belt tensioner of claim 1, wherein: the sliding rack is provided with a guide rod in sliding fit with the sliding rack (3), the axial direction of the guide rod is parallel to the sliding direction of the sliding rack (3), a spring is sleeved outside the guide rod, and two ends of the spring or an oil cylinder with a tension detection function are respectively supported on the sliding rack (3) and the tensioning rack (1).
10. A conveyor belt tensioner according to any one of claims 7-9, characterised in that: the spring or the oil cylinder with tension detection function is arranged on one side of the sliding frame (3) close to the conveying belt (9) or one side of the sliding frame away from the conveying belt (9).
11. The utility model provides a belt feeder, includes driving roller driven conveyer belt (9), its characterized in that: a conveyor belt tensioner as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728449.7U CN221069703U (en) | 2023-10-11 | 2023-10-11 | Conveyer belt overspeed device tensioner and belt feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728449.7U CN221069703U (en) | 2023-10-11 | 2023-10-11 | Conveyer belt overspeed device tensioner and belt feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221069703U true CN221069703U (en) | 2024-06-04 |
Family
ID=91250961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322728449.7U Active CN221069703U (en) | 2023-10-11 | 2023-10-11 | Conveyer belt overspeed device tensioner and belt feeder |
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