CN210437922U - Full-sealed spiral tensioning device - Google Patents
Full-sealed spiral tensioning device Download PDFInfo
- Publication number
- CN210437922U CN210437922U CN201921167242.4U CN201921167242U CN210437922U CN 210437922 U CN210437922 U CN 210437922U CN 201921167242 U CN201921167242 U CN 201921167242U CN 210437922 U CN210437922 U CN 210437922U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- nut
- tensioning device
- dust cover
- telescopic dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a totally enclosed spiral straining device belongs to belt conveyor technical field. The utility model discloses a full-sealed spiral tensioning device, which comprises a telescopic dust cover, a screw rod, a sliding frame, a bottom plate, a fixed sleeve, a nut, a fixed plate and an adjusting hand wheel, wherein the sliding frame is fixedly arranged on the bottom plate and is fixed by a bolt; the free end of the screw rod penetrates through the nut to enter the inside of the sliding frame, and the fixing plate is clamped at the rotating end of the fixing plate; the contact part of the nut and the screw is fixedly connected by a fixed sleeve; a layer of lubricating grease is coated on the screw rod to reduce the friction between the screw rod and the nut when the screw rod rotates; a telescopic dust cover is arranged outside the screw rod, and two ends of the telescopic dust cover are fixedly connected to the fixing plate, so that the whole spiral tensioning device is in a sealed state; an adjusting hand wheel is fixedly mounted at the tail end of the rotating end of the screw rod, so that the traditional adjusting mode that a flat head is screwed by a wrench is replaced, the labor intensity is reduced, and the adjusting efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of belt conveyor technique and specifically relates to a totally enclosed spiral straining device that says so.
Background
The spiral tension device is a fixed tension device, has simple structure and easy manufacture, and mainly comprises a tension screw rod, a nut, a sliding frame and the like. The working principle is that the tail wheel is directly fixed on a sliding frame provided with a tensioning nut, and the tail wheel is driven to move back and forth through the rotation of a screw rod, so that the purpose of tensioning the adhesive tape is achieved, the adhesive tape has enough tension, and the adhesive tape is ensured not to slip with a roller. The adjusting capacity of the spiral tensioning device mainly depends on the diameter and the length of the screw, and the screw is installed on the tail pulley bracket and limited by the tail pulley bracket, so that the diameter and the length of the screw are not large generally.
Chinese patent is granted No. CN204368929U, discloses a belt conveyor spiral straining device, and this utility model relates to the mining machinery field. The structure of the tension device mainly comprises a telescopic frame, a fixed frame and a screw rod, wherein one end of the telescopic frame is provided with a tail wheel connecting piece, the other end of the telescopic frame is inserted into the fixed frame and is in sliding fit with the fixed frame, the end part of the screw rod is rotatably connected with the end part of the fixed frame, and the main body part of the screw rod is inserted into the fixed frame and is connected with the telescopic frame in a thread pair mode; in addition, the screw is tensioned and installed on the tail frame of the screw tensioning device, so that the problem of inclination of the screw is easily caused, namely the central line of the screw is not parallel to the whole belt, and the belt is deviated at the tail screw.
If chinese patent is granted No. CN208746947U again, a belt conveyor afterbody spiral straining device is disclosed, including fixed plate, spout, balladeur train, screw rod baffle, wherein, fixed plate, spout fixed connection are on the conveyer girder, the balladeur train is by the sliding body and the branch is in the place screw thread board, cylinder mounting panel and the gusset at sliding body both ends are constituteed, screw rod one end with the screw hole rotatable coupling of screw thread board, the other end are equipped with the recess, the screw rod baffle is equipped with the through-hole and overlaps in the recess of screw rod, the screw rod baffle with the fixed plate passes through the fastener and connects, the fixed plate is equipped with the confession the through-hole that the screw rod passed, be equipped with the elongated hole of cooperation cylinder installation on the cylinder mounting panel, the elongated hole below is equipped with the adjusting block, be equipped with jack. The utility model discloses a can realize afterbody cylinder adjustment mounted position about vertical direction, avoid the problem of afterbody cylinder department belt off tracking, but the device is a semi-open formula, therefore dust and moisture easily enter into the fit clearance of screw rod and nut to lubricated material loss increases and causes the waste, along with the long-time operation of equipment in addition lubricated not in place, corrosion, card are dead between screw rod and nut, lead to the screw rod to be difficult to rotate and adjust.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To in the in-service use of actual field, belt conveyor's spiral tensioning screw collects the dust easily, and when rotatory screw rod, dust and moisture easily enter the fit clearance of screw rod and nut in the production, cause corrosion, card between screw rod and nut to die, the utility model discloses a totally enclosed spiral tensioning device increases a telescopic dust cover during the design on the screw rod, telescopic dust cover fixed mounting be in the screw rod is peripheral.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model provides a totally enclosed spiral straining device, includes balladeur train, screw rod, bottom plate, fixed plate and nut, balladeur train fixed mounting is on the bottom plate, and its one end fixed mounting has the nut, inside the screw rod free end precession nut and got into the balladeur train, in addition, still include telescopic dust cover, telescopic dust cover is installed the screw rod is peripheral.
Further technical scheme, the equal fixed connection in telescopic dust cover both ends is on the fixed plate, consequently can effectively prevent dust and moisture entering screw rod and nut's fit clearance.
According to the technical scheme, a groove is formed in the rotating end of the screw rod, a through hole is formed in the fixing plate, the fixing plate is connected into the groove of the screw rod in a clamped mode, and the fixing plate is fixedly connected to the tail portion of the telescopic dust cover through bolts and plays a role in fixing and sealing the telescopic dust cover.
According to the further technical scheme, the nut can drive the sliding frame to slide along the axis direction of the screw rod under the rotation of the screw rod, and the effect of tensioning the conveying belt is achieved.
According to the further technical scheme, the contact position of the nut and the screw rod is connected through a fixing sleeve and fixed through a bolt, so that the sealing effect of the device is improved.
According to the further technical scheme, the telescopic dust cover is sleeved outside the screw, the head of the telescopic dust cover is in contact with the head of the screw, the tail of the telescopic dust cover is fixedly connected to the fixing plate through bolts and can extend or shorten along with the movement of the sliding frame, and the sealing effect is achieved to the maximum extent.
According to a further technical scheme, the screw is coated with a layer of lubricating grease so as to reduce friction between the screw and the nut when the screw rotates.
According to the further technical scheme, the tail end of the rotating end of the screw rod is provided with the adjusting hand wheel, and the adjusting hand wheel is connected to the screw rod through a bolt, so that the traditional adjusting mode that a flat head is screwed by a wrench is replaced, the labor intensity is reduced, and the adjusting efficiency is improved.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a fully sealed spiral tensioning device, telescopic dust cover is installed outside the screw rod, because both ends of the telescopic dust cover are fixedly connected on the fixed plate, dust and moisture can be effectively prevented from entering the fit clearance between the screw rod and the nut, and the problems of screw rod rotation and difficult adjustment caused by corrosion and jamming between the screw rod and the nut are avoided;
(2) the utility model discloses a fully sealed spiral tensioning device, the fixed plate is provided with a through hole and is clamped in the groove of the screw rod, the fixed plate is fixedly connected with the tail part of the telescopic dust cover through a bolt, and the fixed plate plays a role in fixing and sealing the telescopic dust cover;
(3) in the fully-sealed spiral tensioning device, the nut can drive the sliding frame to slide along the axis direction of the screw rod under the rotation of the screw rod, so as to play a role in tensioning the conveying belt;
(4) in the fully-sealed spiral tensioning device, the contact part of the nut and the screw is connected by the fixing sleeve and fixed by the bolt, so that the sealing effect of the device is improved;
(5) the utility model discloses a totally enclosed spiral straining device, the telescopic dust cover is in the cover outside the screw rod, its free end contacts with the head of the screw rod, its afterbody is fixedly connected to the fixed plate through the bolt, and can extend or shorten with the movement of the said carriage, thus play the sealed effect to the maximum extent;
(6) in the fully sealed spiral tensioning device, the screw is coated with a layer of lubricating grease to reduce the friction between the screw and the nut when the screw rotates;
(7) in the fully-sealed spiral tensioning device, the dust cover is sleeved outside the screw rod, and both ends of the dust cover are fixedly connected to the fixed plate to be in a sealed state, so that the loss of lubricating grease is reduced, the waste is reduced, and the cost is reduced;
(8) the utility model discloses a totally enclosed spiral straining device, adjusting hand wheel is installed to the rotatory end of screw rod, adjusting hand wheel passes through bolted connection and is in on the screw rod to replace traditional adjustment form of twisting flat head with the spanner, with alleviate intensity of labour, improve adjustment efficiency.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a schematic view of a telescopic dust cover.
In the figure: 1-a telescopic dust cover; 2-a screw; 3-a carriage; 4-a bottom plate; 5-fixing the sleeve; 6-a nut; 7-fixing the plate; 8-adjusting a hand wheel; 9-lubricating grease.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The totally enclosed spiral straining device of this embodiment, as shown in fig. 1, including balladeur train 3, screw rod 2, bottom plate 4, fixed plate 7 and nut 6, 3 fixed mounting of balladeur train on bottom plate 4, its one end fixed mounting has nut 6, 2 free end precession nuts 6 of screw rod and enter inside 3 balladeur train, 2 rotatory ends of screw rod are equipped with the recess, be equipped with through-hole and joint on the fixed plate 7 and be in the recess of screw rod 2. In addition, still include telescopic dust cover 1, telescopic dust cover 1 is installed screw rod 2 is peripheral, because the equal fixed connection in telescopic dust cover 1 both ends is on fixed plate 7, consequently can prevent effectively that dust and moisture from getting into the fit clearance of screw rod 2 and nut 6 to play sealed effect, in addition fixed plate 7 still plays the effect of fixing telescopic dust cover 1 afterbody.
Example 2
The basic structure of the fully sealed spiral tensioning device of the embodiment is the same as that of the embodiment 1, and the differences and improvements are that: as shown in fig. 2, when the screw 2 is rotated, the nut 6 can drive the carriage 3 to slide along the axial direction of the screw 2 under the rotation of the screw 2, and the contact position of the nut 6 and the screw 2 is connected by a fixing sleeve 5 and fixed by a bolt, so as to increase the sealing effect of the device; the screw rod 2 is coated with a layer of lubricating grease 9 so as to reduce friction between the screw rod 2 and the nut 6 when the screw rod 2 rotates, and the telescopic dust cover 1 is sleeved outside the screw rod 2, and two ends of the telescopic dust cover 1 are fixedly connected to the fixing plate 7, so that the surrounding part of the whole telescopic dust cover 1 is in a sealed state, the loss of the lubricating grease 9 is reduced, and the waste and the cost are reduced.
Example 3
The basic structure of the fully sealed spiral tensioning device of the embodiment is the same as that of the embodiment 2, and the differences and improvements are that: as shown in fig. 3, the telescopic dust cover 1 is sleeved outside the screw rod 2, the head of the telescopic dust cover is in contact with the head of the screw rod 2, and the tail of the telescopic dust cover is connected with the fixing plate 7 and fixed by bolts. The screw rod 2 is rotated to control the movement of the sliding frame 3, so that the telescopic dust covers 1 positioned at the left side and the right side of the nut 6 can be extended or shortened, the effect of preventing dust and moisture from entering the fit clearance between the screw rod 2 and the nut 6 is effectively achieved, and the sealing effect can be furthest achieved.
Example 4
The basic structure of the fully sealed spiral tensioning device of the embodiment is the same as that of the embodiment 3, and the differences and improvements are that: as shown in fig. 3, an adjusting hand wheel 8 is installed at the end of the rotation end of the screw rod 2, the adjusting hand wheel 8 is connected to the screw rod 2 through a bolt, the adjusting hand wheel 8 is twisted clockwise or counterclockwise according to the tensioning stroke of the conveying belt to rotate the screw rod 2, so that the carriage 3 advances or retreats along the axial direction of the screw rod 2, and the device replaces the traditional adjusting mode of screwing a flat head with a wrench, thereby reducing labor intensity and improving adjusting efficiency.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (7)
1. A full-sealed spiral tensioning device comprises a sliding frame (3), a screw rod (2), a bottom plate (4) and a nut (6), wherein the sliding frame (3) is fixedly arranged on the bottom plate (4), and the nut (6) is fixedly arranged at one end of the sliding frame; inside screw rod (2) free end precession nut (6) and entering balladeur train (3), its characterized in that: the fully-sealed spiral tensioning device further comprises a telescopic dust cover (1), and the telescopic dust cover (1) is fixedly installed on the periphery of the screw rod (2).
2. A fully sealed helical tensioning device according to claim 1, wherein: still include fixed plate (7), the rotatory end of screw rod (2) is equipped with the recess, be equipped with the through-hole on fixed plate (7) and the joint is in the recess of screw rod (2).
3. A fully sealed helical tensioning device according to claim 1, wherein: the nut (6) can drive the sliding frame (3) to slide along the axial direction of the screw rod (2) under the rotation of the screw rod (2).
4. A fully sealed helical tensioning device according to claim 3, wherein: the contact part of the nut (6) and the screw rod (2) is fixedly connected by a fixing sleeve (5).
5. A fully sealed helical tensioning device according to claim 4, wherein: the telescopic dust cover (1) is sleeved outside the screw rod (2), the head of the telescopic dust cover is in contact with the free end of the screw rod (2), and the tail of the telescopic dust cover is fixedly connected to the fixing plate (7) and can extend or shorten along with the movement of the sliding frame (3).
6. A fully sealed helical tensioning device according to claim 5, wherein: the screw (2) is coated with a layer of lubricating grease (9).
7. A fully sealed helical tensioning device according to claim 6, wherein: and an adjusting hand wheel (8) is fixedly arranged at the tail end of the rotating end of the screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921167242.4U CN210437922U (en) | 2019-07-23 | 2019-07-23 | Full-sealed spiral tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921167242.4U CN210437922U (en) | 2019-07-23 | 2019-07-23 | Full-sealed spiral tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210437922U true CN210437922U (en) | 2020-05-01 |
Family
ID=70406416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921167242.4U Active CN210437922U (en) | 2019-07-23 | 2019-07-23 | Full-sealed spiral tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210437922U (en) |
-
2019
- 2019-07-23 CN CN201921167242.4U patent/CN210437922U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202016407U (en) | Forced steering mechanism | |
| CN209651775U (en) | A kind of coalmine winch automatic cable arranging device | |
| CN210437922U (en) | Full-sealed spiral tensioning device | |
| CN205257268U (en) | Belt conveyor middle part screw take -up unit | |
| CN105775573B (en) | A kind of transmission device of roller-way | |
| CN107756019A (en) | A kind of dovetail groove slide block type guide rail automatic screwing device | |
| CN205260747U (en) | Belt tensioning device | |
| CN209479048U (en) | A kind of high-performance press die-filling height of sliding block regulating device | |
| CN208378330U (en) | Promote transfer machine | |
| CN207079414U (en) | Steel wire rope double twisting device wire-arranging mechanism | |
| CN105762751B (en) | Installation device for movable quenching cable of quenching machine tool transformer | |
| CN103171988B (en) | Winch rope guider and rope guiding method thereof | |
| CN214356342U (en) | Maintenance-free pre-tightening type tensioning device | |
| CN208074111U (en) | Tooth band tension adjusting device | |
| CN209051921U (en) | A kind of V-ribbed belt Conveyor | |
| CN209196053U (en) | A kind of noodle press roller driving chain of novel tensioning mode | |
| CN215149256U (en) | Single-shaft mechanical arm convenient to mount | |
| CN105966844A (en) | Tension roller device for bucket elevator | |
| CN206203603U (en) | Two-way take-up wheel installation device | |
| CN202768760U (en) | Straight line travelling mechanism | |
| CN217355424U (en) | High-strength anti-falling double-row chain wheel | |
| CN202400563U (en) | Closed tensioning device for conveyor belt | |
| CN216888583U (en) | Conveying chain for heavy equipment | |
| CN219458495U (en) | Electric power installation wire tightening device | |
| CN212985208U (en) | Automatic rope saw pressure adjusting system of underground mining all-in-one machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |