CN216004114U

CN216004114U - Link joint tensioning ware

Info

Publication number: CN216004114U
Application number: CN202122234065.0U
Authority: CN
Inventors: 申世镇
Original assignee: Shandong Heze Tobacco Co ltd
Current assignee: Shandong Heze Tobacco Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-11
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to a link joint maintenance technical field, in particular to link joint tensioning ware. The utility model provides a link joint tensioning ware, includes parallel arrangement's punch holder one and punch holder two side by side, and the punch holder is equipped with lower plate one once, and punch holder two has lower plate two, and the both ends of punch holder one, lower plate one, punch holder two and lower plate two all are equipped with the screw, pass the screw through the bolt between punch holder one and the lower plate one, between punch holder two and the lower plate two and connect, this link joint tensioning link joint labour saving and time saving, work efficiency is high.

Description

Link joint tensioning ware

Technical Field

The utility model relates to a link joint maintenance technical field, in particular to link joint tensioning ware.

Background

With the improvement of the automation degree of industrial production, the application of the conveyor is more and more official, and the conveying chain plate used on the conveyor also has a vital influence on the conveying of goods.

When the chain plate used on the conveyor is too long, the chain plate is easy to loosen, so that the conveyed goods slip, and therefore, workers need to adjust the chain plate to tension the chain plate. The existing tensioning tool adopts a structure of clamping plates and a screw rod, namely a chain plate is clamped between an upper clamping plate and a lower clamping plate, the screw rod is connected with a front clamping plate and a rear clamping plate, and a worker can adjust the distance between the front clamping plate and the rear clamping plate by screwing the screw rod to tension the chain plate. However, the production process is seriously affected by time and labor consumption when workers twist the screw rod and low working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art is not enough, provides a link joint tensioning ware, this link joint tensioning link joint labour saving and time saving, and work efficiency is high.

The utility model discloses a realize through following technical scheme: a chain plate tensioner comprises a first upper clamp plate and a second upper clamp plate which are arranged in parallel, wherein a first lower clamp plate is arranged on the first upper clamp plate, a second lower clamp plate is arranged on the second upper clamp plate, screw holes are formed in two ends of the first upper clamp plate, the first lower clamp plate, the second upper clamp plate and the second lower clamp plate, and the first upper clamp plate and the second lower clamp plate are connected through the screw holes by bolts in a penetrating mode; the rear end of the bracket is hinged with a limiting block, the limiting block is in abutting fit with the gear teeth of the ratchet wheel, and a pressure spring is arranged between the limiting block and the bracket; and a rack is arranged at the lower part of the ratchet wheel, one end of the rack is fixed on the second upper clamping plate, and the other end of the rack extends into the support to be meshed with the ratchet wheel.

Furthermore, a stop block is arranged at the rear end of the rack.

Furthermore, the pawl is provided with a convex block for controlling the pawl to move around the hinge shaft.

Furthermore, the limiting block is in a triangular block shape, a groove is formed in the limiting block, one end of the pressure spring is fixed in the groove, and the other end of the pressure spring is fixed on the support.

Furthermore, a fixed handle is further arranged on the support.

The utility model has the advantages that: the utility model discloses a pawl, ratchet, rack, action bars and stopper realize the tensioning of link joint, pull the action bars and make the pawl promote ratchet, and ratchet drive rack removes, makes two quick to the punch holder one side be close to of punch holder, and the tensioning link joint is accomplished and is adjusted the rate of tension of link joint, makes the better goods transmission that is applicable to of link joint, the utility model discloses not only with low costs, but also labour saving and time saving has higher work efficiency.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic side view cross-section of the present invention;

fig. 4 is a schematic view of the rack reset of the present invention;

in the attached drawing, 1 upper clamp plate I, 2 lower clamp plate I, 3 upper clamp plate II, 4 lower clamp plate II, 5 racks, 501 stop dogs, 6 supports, 601 fixed handles, 7 ratchet wheels, 8 pawls, 9 lugs, 10 torsion springs, 11 operating rods, 12 limiting blocks, 13 grooves and 14 compression springs.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the following embodiments are combined to further explain the technical solutions of the present invention.

Referring to fig. 1, a link joint tensioning ware, including the parallel arrangement's of side by side punch holder one 1 and punch holder two 3, punch holder one 1 has lower plate one 2, punch holder two 3 has lower plate two 4, punch holder one 1, lower plate one 2, the both ends of punch holder two 3 and lower plate two 4 all are equipped with the screw, between punch holder one 1 and the lower plate one 2, pass the screw through the bolt between punch holder two 3 and the lower plate two 4 and connect, the fracture department one end of link joint is pressed from both sides between punch holder one 1 and lower plate one 2, the other end presss from both sides between punch holder two 3 and lower plate two 4.

Referring to fig. 2 and 3, the device further comprises a ratchet 7 mechanism, the ratchet 7 mechanism comprises a support 6 mounted on the first clamping plate, a ratchet 7 is arranged in the support 6, an operating rod 11 coaxial with the ratchet 7 is arranged on a wheel shaft of the ratchet 7, a pawl 8 meshed with the wheel teeth of the ratchet 7 is hinged on the operating rod 11, a lug 9 for controlling the pawl 8 to move around a hinge shaft is arranged on the pawl 8, the pawl 8 is further connected with the operating rod 11 through a torsion spring 10, namely the front end of the pawl 8 locks the ratchet 7, and when the pawl 8 rotates and is lifted upwards, the rear end acts on a limiting block 12 to enable the limiting block 12 to lose locking of the ratchet 7; the rear end of the support 6 is hinged with a limiting block 12, the limiting block 12 is in abutting fit with the gear teeth of the ratchet wheel 7, a pressure spring 14 is further arranged between the limiting block 12 and the support 6, the limiting block 12 is in a triangular block shape, a groove 13 is formed in the limiting block 12, one end of the pressure spring 14 is fixed in the groove 13, and the other end of the pressure spring 14 is fixed on the support 6; the lower part of the ratchet wheel 7 is provided with a rack 5, one end of the rack 5 is fixed on the upper clamping plate II 3, the other end of the rack 5 extends into the bracket 6 to be meshed with the ratchet wheel 7, namely, the ratchet wheel 7 rotates to drive the rack 5 to move, and the rear end of the rack 5 is provided with a stop block 501 for preventing the rack 5 from sliding out of the ratchet wheel 7 to drive and displace. In order to facilitate the operator to fix one end for operation, a fixing handle 601 is further provided on the bracket 6.

When the chain plates are loosened and need to be tensioned, the equipment is used for tensioning the chain plates on the two sides together after part of the chain plates are cut off, and the specific use method is as follows: the chain plate is clamped between an upper clamping plate I1 and a lower clamping plate I2 and between an upper clamping plate II 3 and a lower clamping plate II 4, the upper clamping plate and the lower clamping plate can be firmly clamped by utilizing bolts to penetrate through screw holes, then the fixed handle 601 is grasped by one hand to fix the equipment, the operating rod 11 is pulled by one hand to rotate forwards, the operating rod 11 rotates forwards, the pawl 8 is always in a buckling state on the ratchet wheel 7 under the acting force of the torsion spring 10, the pawl 8 pushes the ratchet wheel 7 to rotate, the rack 5 is driven to move backwards when the ratchet wheel 7 rotates, the rack 5 pulls the clamping plate II to approach, the distance between the broken chain plates is shortened, and the ejector block locks the ratchet wheel 7 under the acting force of the pressure spring 14 to prevent the ratchet wheel 7 from reversing; the operating rod 11 rotates backwards to reset, at the moment, the pawl 8 is buckled on the gear teeth on the ratchet wheel 7 and moves backwards by one position, and the ratchet wheel 7 is fixed under the clamping of the ejector block. And pulling the operating rod 11 again to enable the pawl 8 to push the ratchet 7 to drive the rack 5 to move backwards, moving the operating rod 11 to reset after moving backwards, and repeating the operation to enable the rack 5 to drive the clamping plate II to gradually move backwards until the broken chain plates are connected.

After the use, the lug 9 is toggled to enable the pawl 8 to rotate upwards around the hinge shaft, referring to fig. 4, at the moment, the front end of the pawl 8 loses locking on the ratchet wheel 7, the operating rod 11 is pulled to move backwards, the rear end of the pawl 8 is pressed on the limiting block 12, the limiting block 12 loses locking on the ratchet wheel 7, the pressure spring 14 is in a compression state, the clamping plate II is pulled forwards, the rack 5 moves forwards, and the tensioner is enabled to return to the initial state.

The above embodiments are only specific examples of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may modify or modify the above embodiments by using the technical content disclosed above and equivalent embodiments. However, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the present invention.

Claims

1. A chain plate tensioner comprises a first upper plate (1) and a second upper plate (3) which are arranged in parallel, a first lower plate (2) is arranged below the first upper plate (1), a second lower plate (4) is arranged below the second upper plate (3), screw holes are formed in two ends of the first upper plate (1), the first lower plate (2), the second upper plate (3) and the second lower plate (4), bolts penetrate through the screw holes to be connected between the first upper plate (1) and the first lower plate (2) and between the second upper plate (3) and the second lower plate (4), and the chain plate tensioner is characterized by further comprising a ratchet wheel (7) mechanism,

the ratchet wheel (7) mechanism comprises a support (6) arranged on the first clamping plate, a ratchet wheel (7) is arranged in the support (6), an operating rod (11) coaxial with the ratchet wheel (7) is arranged on a wheel shaft of the ratchet wheel (7), a pawl (8) meshed with the wheel teeth of the ratchet wheel (7) is hinged to the operating rod (11), and the pawl (8) is further connected with the operating rod (11) through a torsion spring (10); the rear end of the support (6) is hinged with a limiting block (12), the limiting block (12) is in abutting fit with the gear teeth of the ratchet wheel (7), and a pressure spring (14) is arranged between the limiting block (12) and the support (6); and a rack (5) is arranged at the lower part of the ratchet wheel (7), one end of the rack (5) is fixed on the upper clamping plate II (3), and the other end of the rack extends into the bracket (6) to be meshed with the ratchet wheel (7).

2. A link plate tensioner according to claim 1, characterized in that the rear end of the rack (5) is provided with a stopper (501).

3. A link plate tensioner according to claim 1, characterized in that the pawl (8) is provided with a projection (9) controlling the movement of the pawl (8) about the hinge axis.

4. The link plate tensioner according to claim 1, wherein the stopper (12) is in a triangular block shape, a groove (13) is formed in the stopper (12), and one end of the compression spring (14) is fixed in the groove (13) and the other end is fixed on the bracket (6).

5. A link plate tensioner according to claim 1, characterized in that a fixed handle (601) is also provided on the bracket (6).