Pay-off rack

Abstract

The utility model discloses a pay-off rack which comprises two supports, two bearing seats are symmetrically and fixedly installed on the inner tops of the two supports, bearing inner rings of built-in bearings of the two bearing seats in the same support are jointly and fixedly connected with a one-way screw rod, the outer surfaces of the two one-way screw rods are sleeved with sliding seats in a threaded mode, and the sliding seats are fixedly connected with the two supports in a threaded mode. The sliding seats are slidably connected with the adjacent supports, and movable wheels are fixedly mounted at the tops of the two sliding seats. According to the utility model, through the arrangement of the second spline type telescopic rod, the first spline type telescopic rod, the sliding rail, the sliding block, the cross rod and the driving screw rod, the two brackets are integrally designed, the distances between the head areas and the tail end areas of the two brackets are consistent during each adjustment, the adjustment times are reduced, and the use is more convenient; and through the arranged second spline type telescopic rod, the gear motor can conveniently and synchronously drive the two fixed wheels to operate, the arrangement number of the gear motor is reduced, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pay-off rack technical field especially relates to a pay-off rack. BACKGROUND

[0002] The pay-off rack is a product for supporting the cable reel, has strong stability, adjustable lifting height, easy operation and durability and the like, and plays an important role in the fields of electric power, communication, building and transportation, and provides strong support for the laying and management of the cable.

[0003] At present, the roller type pay-off rack is composed of two independently arranged supports, one fixed auxiliary roller and one adjustable auxiliary roller are arranged on each support, and some roller type pay-off racks are additionally provided with two speed reduction motors for driving the fixed auxiliary rollers connected therewith to rotate, so that the cable reel arranged on the auxiliary rollers can be driven to rotate.

[0004] Since the two supports are independently arranged, the distance between the two supports is inconvenient to adjust, and it is necessary to repeatedly measure and adjust the distance to ensure that the distance between the head region and the tail end region of the two supports is consistent, which is troublesome, and the arrangement of the two speed reduction motors also increases the manufacturing cost, and therefore, improvement is needed. CONTENT OF THE UTILITY MODEL

[0005] The utility model relates to a pay-off rack.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a pay-off rack, comprising two supports, two bearing seats are symmetrically and fixedly installed on the inner top of each support, the bearing inner rings of the bearings built in the two bearing seats of the same support are fixedly connected with a one-way screw rod, a sliding seat is threadedly connected with the outer surface of each one-way screw rod, the sliding seat is slidably connected with the adjacent support, and a movable wheel is fixedly installed on the top of each sliding seat.

[0007] A gear assembly is installed between each one-way screw rod and the adjacent support, a first spline type telescopic rod is installed between the two gear assemblies, and a hand wheel is fixedly connected with the outer surface of the first spline type telescopic rod.

[0008] A fixed wheel is fixedly installed on one side of the top of each support, a speed reduction motor is installed on each fixed wheel, a second spline type telescopic rod is installed between the two speed reduction motors.

[0009] A sliding rail is fixedly connected with each adjacent side of the outer surface of each support, a sliding block is slidably connected with the outer surface of each sliding rail, a cross rod is rotatably connected between the four sliding blocks, and a driving screw rod is installed between each sliding rail and the adjacent two sliding blocks.

[0010] Further, the two movable wheels each comprise a mounting frame fixedly mounted on the top of the sliding seat, and the inner walls of the two sides of the mounting frame are jointly rotatably connected with a first supporting wheel.

[0011] Further, the two gear assemblies each comprise a first bevel gear fixedly sleeved on the outer surface of the adjacent one-way screw, the outer surface of the first bevel gear is meshingly connected with a second bevel gear, and the mounting shaft of the second bevel gear penetrates through the adjacent bracket and is rotatably connected therewith.

[0012] Further, the two fixed wheels each comprise a fixing frame fixedly mounted on the top of the adjacent bracket, the housing part of the speed reducer motor is fixedly mounted on one side of the outer wall of the adjacent fixing frame, the two sides of the fixing frame are jointly rotatably connected with a second supporting wheel, and the driving shaft of the speed reducer motor is fixedly connected with the adjacent second supporting wheel.

[0013] Further, the first spline telescopic rod and the second spline telescopic rod each comprise a spline sleeve, the hand wheel is fixedly sleeved on the outer surface of the adjacent spline sleeve, the two spline sleeves are fixedly connected with the adjacent second bevel gear and second supporting wheel respectively, one end of the spline sleeve is slidably inserted with a first spline rod, one end of the first spline rod is slidably inserted with a second spline rod, one end of the second spline rod is slidably inserted with a third spline rod, and the two third spline rods are fixedly connected with the adjacent second bevel gear and second supporting wheel respectively.

[0014] Further, the first spline rod, the second spline rod and the third spline rod fixedly connected with a limiting plate at one end of the spline sleeve.

[0015] Further, the driving screw comprises a handle, and the handle is located on one side of the adjacent slide rail, one side of the outer surface of the handle is fixedly connected with a bidirectional screw, the bidirectional screw penetrates through the slide rail and is rotatably connected therewith, and the two adjacent slide blocks are threadedly sleeved on the outer surface of the bidirectional screw.

[0016] The utility model discloses the beneficial effect of:

[0017] The utility model discloses when using, this kind of pay -off stand, through setting up the second spline telescopic rod, first spline telescopic rod, slide rail, sliding block, cross bar and driving screw, two brackets integral design, the head region and the terminal region spacing of two brackets are consistent when adjusting each time, reduce the adjustment frequency, make its use more conveniently,

[0018] The utility model discloses when using, this kind of pay -off stand, through setting up the second spline telescopic rod, have been favorable to the synchronous drive of two fixed wheels operation of speed reducer motor, reduce the setting of speed reducer motor, reduce its manufacturing cost,

[0019] The utility model discloses when using, this kind of pay -off stand, through the bearing seat, one -way screw rod, sliding seat, gear assembly, hand wheel and first spline type telescopic link set, can the position of two movable wheels be adjusted synchronously, reduce the adjustment step, improve the operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing of simple introduction, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0021] Fig. 1 The utility model discloses the perspective view of the utility model;

[0022] Fig. 2 The utility model discloses the bottom view of the utility model;

[0023] Fig. 3 The utility model discloses the first spline type telescopic link section view of the utility model.

[0024] The signs are as follows:

[0025] 1, support;2, hand wheel;3, mounting bracket;4, third spline rod;5, first support wheel;6, fixed frame;7, second support wheel;8, spline cover;9, speed reducer motor;10, handle;11, two -way screw rod;12, cross bar;13, bearing seat;14, sliding seat;15, sliding block;16, second bevel gear;17, slide rail;18, one -way screw rod;19, first bevel gear;20, limit board;21, first spline rod;22, second spline rod. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.

[0027] As Figs. 1 to 3As shown, it relates to a wire rack, including two supports 1, two supports 1 bottom can install existing with self-locking universal wheel, increase the convenience of operation, the inner top of two supports 1 is fixedly installed with two bearing seats 13 symmetrically, the bearing inner ring of bearing in the same support 1 two bearing seats 13 is fixedly connected with one-way screw 18, bearing seat 13 has the supporting effect to one-way screw 18, it is favorable to the installation of one-way screw 18, the outer surface of two one-way screws 18 is all threaded sleeve joint has sliding seat 14, and sliding seat 14 and adjacent support 1 between sliding connection, support 1 has the limiting effect to sliding seat 14, can guarantee the stability of sliding seat 14, the top of two sliding seats 14 is fixedly installed with movable wheel, two movable wheels all include mounting frame 3, and mounting frame 3 is fixedly installed on the top of sliding seat 14, the both sides inner wall of mounting frame 3 is rotatably connected with first support wheel 5, and first support wheel 5 is connected through bearing between mounting frame 3, bearing inner ring is fixedly connected with first support wheel 5, and bearing outer ring is fixedly connected with mounting frame 3.

[0028] Two one-way screws 18 are fixedly connected with gear assembly between adjacent support 1, first spline type telescopic rod is fixedly connected between two gear assemblies, the outer surface of first spline type telescopic rod is fixedly connected with hand wheel 2, two gear assemblies all include first bevel gear 19, and first bevel gear 19 is fixedly connected on the outer surface of adjacent one-way screw 18, the outer surface of first bevel gear 19 is engagedly connected with second bevel gear 16, and the mounting shaft of second bevel gear 16 is arranged through adjacent support 1 and is rotatably connected with it, the thread direction of two one-way screws 18 is opposite, to ensure that two one-way screws 18 drive sliding seat 14 to move in the same direction under the transmission of gear assembly.

[0029] The top of two supports 1 is fixedly installed with fixed wheel on one side, a single fixed wheel is installed with speed reducer 9, two fixed wheels all include fixed frame 6, and fixed frame 6 is fixedly installed on the top of adjacent support 1, and the shell part of speed reducer 9 is fixedly installed on the one side outer wall of adjacent fixed frame 6, the both sides inner wall of fixed frame 6 is rotatably connected with second support wheel 7, and the driving shaft of speed reducer 9 is fixedly connected between adjacent second support wheel 7, second support wheel 7 is connected through bearing between fixed frame 6, bearing inner ring is fixedly connected with second support wheel 7, and bearing outer ring is fixedly connected with fixed frame 6.

[0030] The second spline type telescopic rod is arranged between the two speed reducer motors 9, the first spline type telescopic rod and the second spline type telescopic rod each comprise a spline sleeve 8, the hand wheel 2 is fixedly sleeved on the outer surface of the adjacent spline sleeve 8, and the two spline sleeves 8 are fixedly connected between the adjacent second bevel gears 16 and the second support wheels 7, one end of the spline sleeve 8 is slidably sleeved with a first spline rod 21, one end of the first spline rod 21 is slidably sleeved with a second spline rod 22, one end of the second spline rod 22 is slidably sleeved with a third spline rod 4, and the two third spline rods 4 are fixedly connected between the adjacent second bevel gears 16 and the second support wheels 7, have the telescopic limiting effect, and also have the kinetic energy transmission effect, the first spline rod 21, the second spline rod 22 and the third spline rod 4 are fixedly connected with the limiting plate 20 at one end of the spline sleeve 8, the limiting plate 20 has the limiting effect, avoids disengagement of the first spline rod 21 from the spline sleeve 8, disengagement of the second spline rod 22 from the first spline rod 21 and disengagement of the third spline rod 4 from the second spline rod 22.

[0031] The outer surface of each of the two supports 1 is fixedly connected with a sliding rail 17, the outer surface of each of the two sliding rails 17 is slidably connected with a sliding block 15, the four sliding blocks 15 are jointly rotatably connected with a cross rod 12, a drive screw is arranged between each single sliding rail 17 and the adjacent two sliding blocks 15, the drive screw comprises a handle 10, the handle 10 is located on one side of the adjacent sliding rail 17, one side of the outer surface of the handle 10 is fixedly connected with a bidirectional screw rod 11, the bidirectional screw rod 11 penetrates through the sliding rail 17 and is rotatably connected with the sliding rail 17, and the adjacent two sliding blocks 15 are threadedly sleeved on the outer surface of the bidirectional screw rod 11, the handle 10 is beneficial to manual driving of the bidirectional screw rod 11, and the bidirectional screw rod 11 can drive the two sliding blocks 15 to move close to or away from each other.

[0032] Working principle: when the distance between the two supports 1 is adjusted, the handle 10 is rotated, the handle 10 drives the bidirectional screw rod 11 to rotate, the bidirectional screw rod 11 drives the two sliding blocks 15 connected therewith to move close to each other, the four sliding blocks 15 cooperate with the cross rod 12 to make the two supports 1 move away from each other until a suitable position is reached; then the position of the movable wheel is adjusted as required, the spline sleeve 8 connected with the handle 2 is driven to rotate, the spline sleeve 8 cooperates with the first spline rod 21, the second spline rod 22 and the third spline rod 4 to synchronously drive the two second bevel gears 16 to rotate, the second bevel gear 16 drives the one-way screw rod 18 connected therewith to rotate through the first bevel gear 19, the one-way screw rod 18 drives the sliding seat 14 to move, thereby driving the movable wheel to move until a suitable position is reached; during operation, the cable disc is placed on the first support wheel 5 and the second support wheel 7, then the speed reducer motor 9 is operated, the speed reducer motor 9 drives the second support wheel 7 connected therewith to rotate, then the second spline type telescopic rod drives the other second support wheel 7 to rotate, thereby driving the cable disc to rotate.

[0033] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A reel stand comprising two supports (1), characterized in that: The inner top of each of the two supports (1) is symmetrically and fixedly provided with two bearing seats (13), the bearing inner rings of the bearings built in the two bearing seats (13) in the same support (1) are fixedly connected with a one-way screw rod (18) in common, the outer surfaces of the two one-way screw rods (18) are threadedly sleeved with sliding seats (14), the sliding seats (14) are slidably connected between the two adjacent supports (1), and the tops of the two sliding seats (14) are fixedly provided with movable wheels; The two one-way screw rods (18) are jointly provided with gear assemblies between the two adjacent supports (1), the two gear assemblies are jointly provided with a first spline telescopic rod, and the outer surface of the first spline telescopic rod is fixedly sleeved with a hand wheel (2); The tops of the two supports (1) are fixedly provided with fixed wheels on one side, and each fixed wheel is provided with a speed reducer motor (9), and the two speed reducer motors (9) are jointly provided with a second spline telescopic rod. The outer surfaces of the two supports (1) are fixedly connected with sliding rails (17) on adjacent sides, the outer surfaces of the two sliding rails (17) are slidably connected with sliding blocks (15), the four sliding blocks (15) are jointly and rotatably connected with a cross rod (12), and each sliding rail (17) is jointly provided with a drive screw rod between the two adjacent sliding blocks (15).

2. A pay-off stand according to claim 1, characterised in that: Each movable wheel comprises a mounting frame (3) fixedly mounted on the top of the sliding seat (14), and the two side inner walls of the mounting frame (3) are jointly and rotatably connected with a first supporting wheel (5).

3. A pay-off stand according to claim 2, characterised in that: Each gear assembly comprises a first bevel gear (19) fixedly sleeved on the outer surface of the adjacent one-way screw rod (18), and the outer surface of the first bevel gear (19) is meshedly connected with a second bevel gear (16), and the mounting shaft of the second bevel gear (16) penetrates through the adjacent support (1) and is rotatably connected therewith.

4. A pay-off stand according to claim 3, characterised in that: Each fixed wheel comprises a fixed frame (6) fixedly mounted on the top of the adjacent support (1), and the housing part of the speed reducer motor (9) is fixedly mounted on one side of the outer wall of the adjacent fixed frame (6), the two side inner walls of the fixed frame (6) are jointly and rotatably connected with a second supporting wheel (7), and the drive shaft of the speed reducer motor (9) is fixedly connected with the adjacent second supporting wheel (7).

5. A pay-off stand according to claim 4, characterised in that: The first spline telescopic rod and the second spline telescopic rod each comprise a spline sleeve (8), the hand wheel (2) is fixedly sleeved on the outer surface of the adjacent spline sleeve (8), the two spline sleeves (8) are fixedly connected with the adjacent second bevel gear (16) and second supporting wheel (7) respectively, one end of the spline sleeve (8) is slidably inserted with a first spline rod (21), one end of the first spline rod (21) is slidably inserted with a second spline rod (22), one end of the second spline rod (22) is slidably inserted with a third spline rod (4), and the two third spline rods (4) are fixedly connected with the adjacent second bevel gear (16) and second supporting wheel (7) respectively.

6. A pay-off stand according to claim 5, characterised in that: The first spline rod (21), the second spline rod (22) and the third spline rod (4) are fixedly connected with a limiting plate (20) at one end of the spline sleeve (8).

7. A pay-off stand according to claim 6, characterised in that: The driving screw comprises a handle (10), and the handle (10) is located at one side of the adjacent slide rail (17); one side of the outer surface of the handle (10) is fixedly connected with a bidirectional screw rod (11), the bidirectional screw rod (11) penetrates through the slide rail (17) and is rotationally connected with the slide rail (17), and the adjacent two slide blocks (15) are threadedly sleeved on the outer surface of the bidirectional screw rod (11).

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