CN201702744U - Tubular and polygonal threaded connector tightness device - Google Patents

Abstract

The utility model discloses a tubular and polygonal threaded connector tightness device, which belongs to disassembly and assembly machinery. The device is characterized by mainly comprising a main pressing plate, a pressing rod, a chain and pressure bearing devices, a left side plate, a front lug plate and a rear lug plate are welded in an assembled manner to form the main pressing plate, a vertical splayed toothed surface is arranged on the left lateral surface of the left side plate, main pin holes are symmetrically arranged at central positions of the front lug plate and the rear lug plate, a main hinge pin is mounted in the main pin holes in a penetrating manner to be hinged with the pressing rod, and a lower hinge pin is mounted in lower pin holes on left lower portions of the front lug plate and the rear lug plate to be connected with the chain. A plate is arranged on the a section of the pressing rod, the pressing rod is the shape of a hook, a hook head of the hook obliquely extends towards a left upper direction, the pressing rod is inserted into a U-shaped groove of the main pressing plate, the hook head of the pressing rod is inserted into a chain knot to hook the other end section of the chain, a right section of the pressing rod is cylindrical, a boosting rod is sleeved on the right section of the pressing rod, the pressure bearing devices are evenly distributed on the chain in a sleeving mounted manner, and a casing of each pressure bearing device is a rectangular case body communicated from left to right. The tubular and polygonal threaded connector tightness device has multiple functions on one device, is convenient and reliable in use, improves work efficiency and reduces labor intensity of workers.

Description

Tubular, polygon threaded connector tightener

Technical field

The utility model belongs to the dismounting facility, especially relates to a kind of tightener of threaded connector.

Background technology

In the maintenance process of engineering machinery, especially in the maintenance tubular piece: as hydraulic jack, when filter and dismounting polygonal nut, often use specific purpose tool, an engineering machinery is wanted standby multiple specific purpose tool, not only use inconvenient, also fragile or lose, tubular piece is squeezed and is out of shape, the maintenance personal is in the big tubular piece of maintenance, when changing the oil sealing of hydraulic jack, because cylinder head is for being threaded, the field operation dismounting is difficulty very, the total member integral body of hydraulic jack can only be pulled down, and the otic placode that is welded by bench vice or on stack shell location just can be taken apart, not only wasted the time but also increased maintenance personal's labour intensity, maintenance efficiency is also low.

Summary of the invention

The purpose of this utility model provides a kind of tubular, polygon threaded connector tightener, can not only multi-use, and easy to use and reliable, and increase work efficiency, alleviate working strength of workers.

The purpose of this utility model is achieved like this: a kind of tubular, polygon threaded connector tightener, it is characterized in that: this is tubular, polygon threaded connector tightener is mainly by main pressing plate, depression bar, chain and pressure bearing device are formed, main pressing plate by left side plate and before, back otic placode assembly welding forms, be the right angle U-shaped of putting on the opening right side, the left surface of left side plate is for being the vertical splay flank of tooth, to play anti-skidding effect, preceding, kingpin bore is offered in the centre of back otic placode symmetrically, in this kingpin bore, install the stub axle with hinged depression bar, preceding, the lower left quarter of back otic placode is offered down pin-and-hole symmetrically, installs lower bearing pin to connect chain in the pin-and-hole down at this; The left side section of depression bar is a plate, be the hook-type that gib head is tiltedly stretched to the upper left side, the right section of depression bar is a cylindrical section, upper surface between from the gib head to the cylindrical section is arc transition, the thickness of slab of gib head portion is less than the inner width of chain link plate, be beneficial to gib head and insert the bearing pin that hooks in the chain link on the chain link, promptly hook chain, and on the right section of depression bar the suit boosting-rod, pin-and-hole is offered in the centre that is positioned at the arc transition section on the section of the left side of depression bar, the left side section of depression bar is inserted in the U-lag of main pressing plate, and the corresponding stub axle that installs in the pin-and-hole on the kingpin bore on main pressing plate and the depression bar left side section makes main pressing plate and depression bar hinged; In addition, uniform suit pressure bearing device on chain, the rectangular box that the housing of this pressure bearing device connects about being, the basal surface on the nowel limit of this pressure bearing device be about to the splayed flank of tooth, the upper surface on the nowel limit of this pressure bearing device is an arc surface, left part perforate on the top box limit of pressure bearing device, in this hole, install the left end of bolt with fixed installation arc-shaped spring piece on the lower surface on top box limit, the right-hand member of this arc-shaped spring piece is circular, and, in this hole, install the right-hand member of the hinged arc-shaped spring piece of bearing pin in the upper right quarter symmetry perforate on the forward and backward case limit of pressure bearing device.

During use, according to the length of being selected chain by the size of loose part diameter, one end of chain is fixedly connected on the main pressing plate, each pressure bearing device is enclosed within on the chain by same direction compartment of terrain successively, chain is walked around by after the periphery of loose part, the other end section of chain is hooked by the gib head of depression bar, is against at the bottom of the splayed tooth of each pressure bearing device by on the periphery of loose part, at the tubular boosting-rod of right-hand member section suit of depression bar, on boosting-rod, exert pressure downwards, chain is exerted pressure to each pressure bearing device, and each pressure bearing device clockwise rotates jointly to being exerted pressure by loose part, to be screwed off by loose part, convenient and labor-saving, be difficult for skidding high efficiency.

Tubular, the polygon threaded connector tightener that the utility model proposes, rational in infrastructure, easy to use and reliable, the energy multi-use has improved operating efficiency, has alleviated working strength of workers.

Now in conjunction with the accompanying drawings and embodiments tubular, the polygon threaded connector tightener that the utility model proposed is further described.

Description of drawings

Fig. 1 is the main cross-sectional schematic of tubular, the polygon threaded connector tightener that proposes of the utility model.

Among Fig. 1: 1, by loose part 2, boosting-rod 3, depression bar 4, stub axle 5, main pressing plate 6, chain 7, pressure bearing device 8, arc-shaped spring piece

The specific embodiment

As can be seen from Figure 1: a kind of tubular, polygon threaded connector tightener, it is characterized in that: this is tubular, polygon threaded connector tightener is mainly by main pressing plate 5, depression bar 3, chain 6 and pressure bearing device 7 are formed, main pressing plate 5 by left side plate and before, back otic placode assembly welding forms, be the right angle U-shaped of putting on the opening right side, the left surface of left side plate is for being the vertical splay flank of tooth, to play anti-skidding effect, preceding, kingpin bore is offered in the centre of back otic placode symmetrically, in this kingpin bore, install stub axle 4 with hinged depression bar 3, preceding, the lower left quarter of back otic placode is offered down pin-and-hole symmetrically, installs lower bearing pin to connect chain 6 in the pin-and-hole down at this; The left side section of depression bar 3 is a plate, be the hook-type that gib head is tiltedly stretched to the upper left side, the right section of depression bar 3 is a cylindrical section, upper surface between from the gib head to the cylindrical section is arc transition, the thickness of slab of gib head portion is less than the inner width of chain 6 chain links, be beneficial to gib head and insert the bearing pin that hooks in the chain link on the chain link, promptly hook chain 6, and on the right section of depression bar 3 suit boosting-rod 2, pin-and-hole is offered in the centre that is positioned at the arc transition section on the section of the left side of depression bar 3, the left side section of depression bar 3 is inserted in the U-lag of main pressing plate 5, and the corresponding stub axle 4 that installs in the pin-and-hole on the kingpin bore on main pressing plate 5 and depression bar 3 left side sections makes main pressing plate 5 and depression bar 3 hinged; In addition, uniform suit pressure bearing device 7 on chain 6, the rectangular box that the housing of this pressure bearing device 7 connects about being, the basal surface on the nowel limit of this pressure bearing device 7 be about to the splayed flank of tooth, the upper surface on the nowel limit of this pressure bearing device 7 is an arc surface, left part perforate on the top box limit of pressure bearing device 7, in this hole, install the left end of bolt with fixed installation arc-shaped spring piece 8 on the lower surface on top box limit, the right-hand member of this arc-shaped spring piece 8 is circular, before pressure bearing device 7, the upper right quarter symmetry perforate on rear cabinet limit installs the right-hand member of bearing pin with hinged arc-shaped spring piece 8 in this hole.

During use, according to the length of being selected chain 6 by the size of loose part 1 diameter, one end of chain 6 is fixedly connected on the main pressing plate 5, each pressure bearing device 7 is enclosed within on the chain 6 by same direction compartment of terrain successively, chain 6 is walked around by after the periphery of loose part 1, the other end section of chain 6 is hooked by the gib head of depression bar 3, is against at the bottom of the splayed tooth of each pressure bearing device 7 by on the periphery of loose part 1, at the tubular boosting-rod 2 of right-hand member section suit of depression bar 3, on boosting-rod 2, exert pressure downwards, chain 6 is exerted pressure to each pressure bearing device 7, and each pressure bearing device 7 clockwise rotates jointly to being exerted pressure by loose part 1, to be screwed off by loose part 1, convenient and labor-saving, be difficult for skidding high efficiency.

Claims (1)

1. one kind tubular, polygon threaded connector tightener is characterized in that:

A, this is tubular, polygon threaded connector tightener mainly is made up of main pressing plate (5), depression bar (3), chain (6) and pressure bearing device (7), main pressing plate (5) is formed by left side plate and forward and backward otic placode assembly welding, be the right angle U-shaped of putting on the opening right side, the left surface of left side plate is for being the vertical splay flank of tooth, kingpin bore is offered in centre at forward and backward otic placode symmetrically, in this kingpin bore, install stub axle (4), offer pin-and-hole down symmetrically at the lower left quarter of forward and backward otic placode, install lower bearing pin to connect chain (6) in the pin-and-hole down at this;

B, the left side section of depression bar (3) is a plate, be the hook-type that gib head is tiltedly stretched to the upper left side, the right section of depression bar (3) is a cylindrical section, upper surface between from the gib head to the cylindrical section is arc transition, the thickness of slab of gib head portion is less than the inner width of chain (6) chain link, right section at depression bar (3) goes up suit boosting-rod (2), pin-and-hole is offered in the centre that is positioned at the arc transition section on the section of the left side of depression bar (3), the left side section of depression bar (3) is inserted in the U-lag of main pressing plate (5), the corresponding stub axle (4) that installs in the pin-and-hole on the section of kingpin bore on main pressing plate (5) and depression bar (a 3) left side makes main pressing plate (5) and depression bar (3) hinged;

C, go up uniform suit pressure bearing device (7) at chain (6), the rectangular box that the housing of this pressure bearing device (7) connects about being, the basal surface on the nowel limit of this pressure bearing device (7) be about to the splayed flank of tooth, the upper surface on the nowel limit of this pressure bearing device (7) is an arc surface, left part perforate on the top box limit of pressure bearing device (7), in this hole, install bolt on the lower surface on top box limit, to fixedly mount the left end of arc-shaped spring piece (8), the right-hand member of this arc-shaped spring piece (8) is circular, before pressure bearing device (7), the perforate of the upper right quarter on rear cabinet limit symmetry installs the right-hand member of the hinged arc-shaped spring piece of bearing pin (8) in this hole.

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