CN205838331U - A kind of tongs - Google Patents

A kind of tongs Download PDF

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Publication number
CN205838331U
CN205838331U CN201620701842.4U CN201620701842U CN205838331U CN 205838331 U CN205838331 U CN 205838331U CN 201620701842 U CN201620701842 U CN 201620701842U CN 205838331 U CN205838331 U CN 205838331U
Authority
CN
China
Prior art keywords
tongs
telescoping mechanism
caliper
hook
otic placode
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.)
Expired - Fee Related
Application number
CN201620701842.4U
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Chinese (zh)
Inventor
胡昭南
候艳玲
党军玲
申波
唐跃飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Gearbox Co Ltd
Original Assignee
Chongqing Gearbox Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Gearbox Co Ltd filed Critical Chongqing Gearbox Co Ltd
Priority to CN201620701842.4U priority Critical patent/CN205838331U/en
Application granted granted Critical
Publication of CN205838331U publication Critical patent/CN205838331U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of tongs, including lifting body, telescoping mechanism and blocking mechanism, wherein, lifting body is for being lifted on driving by tongs;First end of telescoping mechanism is connected with lifting body, and the second end is provided with a pair caliper, and telescoping mechanism can Tensile be that extended configuration makes a pair caliper clamping, and is that contraction state makes a pair caliper open when pushing away in stress;Blocking mechanism includes the Part I being arranged on lifting body and the Part II being arranged on telescoping mechanism, and Part I and Part II cooperate and telescoping mechanism can be made to change at contraction state and extended configuration;By said structure, workman, without near workpiece, only need to handle blocking mechanism a long way off or driving lifts, decrease potential safety hazard, and can reduce workload and the working strength of workman.

Description

A kind of tongs
Technical field
This utility model relates to stone tongs technical field, particularly to a kind of tongs.
Background technology
Need to lift pending workpiece turnover during cold-heat treatment and process stove, at present, the hoisting hook that general employing is common Hook, relies on artificial extension, de-workpiece, but owing to cold-heat treatment operation is typically carried out in high temperature or low temperature environment, manually participates in Lifting, exist burn, burn, many potential safety hazards such as cold injury, and workload and the labor intensity of workman can be increased.
Therefore, a kind of tongs how is provided so that it is can clamp in the case of workman is not close to pending workpiece or pine Go into operation part, reduces potential safety hazard, reduces workload and the labor intensity of workman, becomes the weight that those skilled in the art are urgently to be resolved hurrily Want technical problem.
Utility model content
In view of this, this utility model provides a kind of tongs, so that reach can be workman not close to pending work Clamp or unclamp workpiece in the case of part, reduce potential safety hazard, reduce workload and the purpose of labor intensity of workman.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of tongs, including:
Lifting body;
Telescoping mechanism, its first end is connected with described lifting body, and the second end is provided with a pair caliper, described telescoping mechanism energy Hard to bear stretching is that extended configuration makes caliper clamping described in a pair, and is that contraction state makes caliper described in a pair open when pushing away in stress Open;
Blocking mechanism, including the Part I being arranged on described lifting body and be arranged on described telescoping mechanism Two parts, described Part I and described Part II cooperate and described telescoping mechanism can be made in contraction state and stretch-like State is changed.
Preferably, described lifting body includes otic placode and coulisse, and described coulisse is provided with chute along its length, Described otic placode connects in described coulisse and can be along described slide, and the lower end of described coulisse is with described telescoping mechanism even Connect.
Preferably, the upper end of described otic placode is provided with steam collecting hood.
Preferably, described otic placode being provided with two connecting shafts along its length, described otic placode is along described slide extremely During the first extreme position, the described connecting shaft being positioned at lower section coordinates with the lower end of described chute, and described otic placode is sliding along described chute When moving to the second extreme position, described connecting shaft above coordinates with the upper end of described chute.
Preferably, described telescoping mechanism includes two tong arms and two support arms, is hinged in the middle part of two described tong arms, Caliper described in a pair is respectively arranged at the lower end of two described tong arms, and the upper end of two described tong arms is respectively articulated with a support arm, and two Individual described support arm is articulated with at one on described coulisse away from one end of described tong arm.
Preferably, the Part I of described blocking mechanism includes connecting plate, slide bar, sleeve and hook, described breech-block The Part II of structure includes buckling;Described connecting plate the first end is connected with described otic placode lower end, and the second end is hinged with described slide bar; It is provided with a rotary sleeve that can rotate around described slide bar axis on described slide bar, described rotary sleeve is provided with a slide block, institute Stating and be provided with a rotary chute on sleeve lining, described rotary chute has the first cooperation position and second and coordinates position, described cunning Bar stretches in described sleeve and described slide block is slidably matched with described rotary chute;Described hook the first end is articulated with described chute Plate lower end, the second end is articulated with described sleeve lower end, and the hook portion of described hook is arranged at the second end of described hook, described in buckle It is arranged in two described tong arms;
When described slide block coordinates position to coordinate with the first of described rotary chute, described hook can with described buckle to coordinate make Described telescoping mechanism remains retracted state;When described slide block coordinates position to coordinate with the second of described rotary chute, described hook with Described buckle separation and make described telescoping mechanism be extended configuration.
Preferably, described rotary chute also has the 3rd cooperation position, and when described tongs is in static condition, described slide block is sliding Enter the described 3rd and coordinate position.
Preferably, two described tong arms being additionally provided with splash-back, described splash-back is arranged at caliper described in a pair and two Between the pin joint of individual described tong arm.
Preferably, the surface that caliper described in a pair is relative being provided with arcuate groove, two described arcuate grooves can surround One clip slot coordinated with Special suspender.
From technique scheme it can be seen that the tongs that provides of this utility model, including lifting body, telescoping mechanism and close Latch mechanism, wherein, lifting body is for being lifted on driving by tongs;First end of telescoping mechanism is connected with lifting body, the second end Being provided with a pair caliper, telescoping mechanism can Tensile be that extended configuration makes a pair caliper clamping, and when pushing away in stress is receipts Contracting state makes a pair caliper open;Blocking mechanism includes the Part I being arranged on lifting body and is arranged on telescoping mechanism Part II, Part I and Part II cooperate and telescoping mechanism can be made to change at contraction state and extended configuration;
The Part I of blocking mechanism and Part II can use the structure cooperated with on one's own initiative, such as piston cylinder, ball wire Bar structure etc., it is also possible to be by tongs self gravitation or tongs be subject to upwards drag that lifting force controls by movable fit structure, By said structure, workman, without near workpiece, only need to handle blocking mechanism a long way off or driving lifts, decrease peace Full hidden danger, and workload and the working strength of workman can be reduced.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The front view of the tongs that Fig. 1 provides for this utility model embodiment;
The left view of the tongs that Fig. 2 provides for this utility model embodiment;
The right view of the tongs that Fig. 3 provides for this utility model embodiment;
The structural representation of the blocking mechanism in the tongs that Fig. 4 provides for this utility model embodiment;
The top view of the caliper in the tongs that Fig. 5 provides for this utility model embodiment.
Detailed description of the invention
This utility model provides a kind of tongs, so that reach can be in the case of workman be not close to pending workpiece Clamp or unclamp workpiece, reduce potential safety hazard, reduce workload and the purpose of labor intensity of workman.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to the front view of the tongs that Fig. 1-Fig. 3, Fig. 1 provide for this utility model embodiment, Fig. 2 is this utility model The left view of the tongs that embodiment provides, the right view of the tongs that Fig. 3 provides for this utility model embodiment.
A kind of tongs that this utility model embodiment provides, including lifting body 1, telescoping mechanism 3 and blocking mechanism 2.
Wherein, lifting body 1 is for being lifted on driving by tongs;First end of telescoping mechanism 3 is connected with lifting body 1, the Two ends are provided with a pair caliper 5, and telescoping mechanism 3 can Tensile be that extended configuration makes a pair caliper 5 clamp, and when pushing away in stress Time be that contraction state makes a pair caliper 5 open;Blocking mechanism 2 includes the Part I being arranged on lifting body 1 and is arranged at Part II on telescoping mechanism 3, Part I and Part II cooperate and telescoping mechanism 3 can be made at contraction state and to stretch Exhibition State Transferring.
The Part I of blocking mechanism 2 and Part II can use the structure cooperated with on one's own initiative, such as piston cylinder, ball wire Bar structure etc., it is also possible to be by tongs self gravitation or tongs be subject to upwards drag that lifting force controls by movable fit structure, The structure of the most this passive cooperation will be discussed in detail in the explanation below.
Compared with prior art, the tongs that this utility model embodiment provides, workman, without near workpiece, only needs a long way off Handle blocking mechanism 2 or driving lifts, decrease potential safety hazard, and the workload of workman can be reduced and work strong Degree.
Lifting body 1 can use different structures to adapt to different blocking mechanisms 2, in this utility model embodiment, for Being easy to installation and the use of the blocking mechanism 2 of passive cooperation cited below, as shown in Figure 1-Figure 3, lifting body 1 includes ear Plate 11 and coulisse 12, coulisse 12 is provided with chute along its length, and otic placode 11 connects in coulisse 12 and can be along cunning Groove slides, and the lower end of coulisse 12 is connected with telescoping mechanism 3.
Workpiece, in quenching process, can produce high concentration oil smoke or salt gas, and these high concentration oil smoke and saliferous steam rise After travelling facility can be polluted and corrodes, affect the service life of travelling facility, therefore, in this utility model embodiment In, the upper end of otic placode 11 is provided with steam collecting hood 7, plants it can be seen that steam collecting hood 7 has downward loudspeaker from Fig. 1 Mouthful, and tongs projection in vertically downward direction is completely covered by the projection that steam collecting hood 7 is in vertically downward direction, this Sample, the high concentration oil smoke produced in quenching process and saliferous steam can enter in steam collecting hood 7 after rising, and owing to steaming Vapour collecting hood 7 has horn mouth, is not only able to preferably collect high concentration oil smoke and saliferous steam, prevents its loss, to row The mechanisms such as the motor of car, gear-box, steel wire rope and gib head protect, and high concentration oil smoke and saliferous steam are at steam In collecting hood 7 after liquefaction, it is possible to along horn mouth inwall landing, it is simple to reclaim.
Optimize technique scheme further, in this utility model embodiment, otic placode 11 is provided with along its length Two connecting shafts 6, when otic placode 11 is along slide to the first extreme position, the lower end of the connecting shaft 6 and chute that are positioned at lower section is joined Closing, when otic placode 11 is along slide to the second extreme position, connecting shaft 6 above coordinates with the upper end of chute.
Telescoping mechanism 3 can use various structures, in this utility model embodiment, as shown in Figure 1-Figure 3, and telescoping mechanism 3 include two tong arms 32 and two support arms 31, are hinged in the middle part of two tong arms 32, and a pair caliper 5 is respectively arranged at two The lower end of tong arm 32, the upper end of two tong arms 32 is respectively articulated with a support arm 31, and two support arms 31 are being slided away from one end of tong arm 32 It is articulated with at one on frid 12.
In superincumbent content, telescoping mechanism 3 can be active cooperation, such as piston cylinder, ball screw structure etc., but It is that the telescoping mechanism 3 of this active cooperation needs extra drive system, the operation easier of equipment can be caused to rise, same to fashionable dress For being easily damaged in the adverse circumstances of cold-heat treatment, and would not there is this problem in the telescoping mechanism 3 that passive type coordinates, because of This, will focus on below and introduce the telescoping mechanism 3 that a kind of passive type coordinates, and referring to Fig. 4, Fig. 4 is that this utility model embodiment carries The structural representation of the blocking mechanism in the tongs of confession, the Part I of blocking mechanism 2 includes connecting plate 21, slide bar 22, sleeve 23 and hook 24, the Part II of blocking mechanism 2 includes buckling 25;Connecting plate 21 first end is connected with otic placode 11 lower end, the Two ends are hinged with slide bar 22;It is provided with a rotary sleeve that can rotate around slide bar 22 axis on slide bar 22, rotary sleeve is provided with One slide block, sleeve 23 inwall is provided with a rotary chute, and rotary chute has the first cooperation position and second and coordinates position, slide bar In 22 stretch into sleeve 23 and slide block is slidably matched with rotary chute;Link up with 24 first ends and be articulated with coulisse 12 lower end, the second end Being articulated with sleeve 23 lower end, the hook portion of hook 24 is arranged at the second end of hook 24, buckles 25 and be arranged in two tong arms 32 On one;
When slide block coordinates position to coordinate with the first of rotary chute, hook 24 can coordinate make telescoping mechanism 3 protect with buckling 25 Hold contraction state;When slide block coordinates position to coordinate with the second of rotary chute, hook 24 with buckle 25 and separate and make telescoping mechanism 3 in stretching Exhibition state.Optimizing technique scheme further, rotary chute also has the 3rd cooperation position, when tongs is in static condition, sliding Block slips into the 3rd cooperation position.
So, in use, tongs is positioned on ground and is in static condition, and at this moment, slide block and the 3rd coordinates position Coordinating, hook 24 is in disengaged position with buckling 25;Driving lifting tongs, otic placode 11 along coulisse 12 to away from telescoping mechanism 3 Direction slide, and under tongs self gravitation effect, slide block slides along rotary chute and finally coordinates position to coordinate with first, Making hook 24 coordinate with buckling 25, telescoping mechanism 3 remains retracted state, and a pair caliper 5 mutually opens;Driving tongs moved to Above pending workpiece, descending one end distance of then driving a vehicle, make tongs contact with the Special suspender on pending workpiece, then go Car continues traveling downwardly, and tongs is under the lifting of Special suspender, and otic placode 11 slides along coulisse 12 near the direction of telescoping mechanism 3, Slide block releases the first cooperation position, then drives a vehicle up, and slide block slides along rotary chute and finally coordinates position to coordinate with second, hook 24 with buckle 25 disengagings, under tongs self gravitation effect, telescoping mechanism 3 is stretched, a pair caliper 5 Automatic-clamping Special-purpose hanger Bar.
As can be seen here, above-mentioned blocking mechanism 2 is driven completely without outer drive system, it is simple to operation, structure letter Single, it is not easy to impaired under the adverse circumstances of cold-heat treatment, reliability is high, and service life is long.
For preventing in quenching process, process medium and spill, pollute plant environment, cause potential safety hazard, at this utility model In embodiment, as shown in fig. 1, two tong arms 32 being additionally provided with splash-back 4, splash-back 4 is arranged at a pair caliper 5 and two Between the pin joint of tong arm 32.
Optimize technique scheme further, coordinate with Special suspender for the ease of a pair caliper 5, smoothly will enable Pending workpiece is sling, and in this utility model embodiment, refers to the tongs that Fig. 5, Fig. 5 provide for this utility model embodiment In the top view of caliper, the surface that a pair caliper 5 is relative is provided with arcuate groove, two arcuate grooves can surround one with specially The clip slot coordinated with suspension rod, in such manner, it is possible to increase a pair caliper 5 and the contact surface of Special suspender, thus increasing friction force, it is allowed to Can sling smoothly pending workpiece.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (9)

1. a tongs, it is characterised in that including:
Lifting body (1);
Telescoping mechanism (3), its first end is connected with described lifting body (1), and the second end is provided with a pair caliper (5), described flexible Mechanism (3) can Tensile be that extended configuration makes caliper described in a pair (5) clamp, and is that contraction state makes one when pushing away in stress Described caliper (5) is opened;
Blocking mechanism (2), including the Part I being arranged on described lifting body (1) and be arranged at described telescoping mechanism (3) On Part II, described Part I and described Part II cooperate and described telescoping mechanism (3) can be made contraction-like State and extended configuration conversion.
Tongs the most according to claim 1, it is characterised in that described lifting body (1) includes otic placode (11) and coulisse (12), described coulisse (12) is provided with chute along its length, described otic placode (11) in described coulisse (12) connect and Can be along described slide, the lower end of described coulisse (12) is connected with described telescoping mechanism (3).
Tongs the most according to claim 2, it is characterised in that the upper end of described otic placode (11) is provided with steam collecting hood (7)。
Tongs the most according to claim 2, it is characterised in that be provided with two companies on described otic placode (11) along its length Spindle (6), when described otic placode (11) is along described slide to the first extreme position, be positioned at lower section described connecting shaft (6) with The lower end of described chute coordinates, and when described otic placode (11) is along described slide to the second extreme position, above is described Connecting shaft (6) coordinates with the upper end of described chute.
Tongs the most according to claim 2, it is characterised in that described telescoping mechanism (3) include two tong arms (32) and Two support arms (31), two described tong arm (32) middle parts are hinged, and caliper described in a pair (5) is respectively arranged at two described pincers The lower end of arm (32), the upper end of two described tong arms (32) is respectively articulated with a support arm (31), and two described support arms (31) are away from institute The one end stating tong arm (32) is articulated with at one on described coulisse (12).
Tongs the most according to claim 5, it is characterised in that the Part I of described blocking mechanism (2) includes connecting plate (21), slide bar (22), sleeve (23) and hook (24), the Part II of described blocking mechanism (2) includes buckling (25);Described Connecting plate (21) first end is connected with described otic placode (11) lower end, and the second end is hinged with described slide bar (22);Described slide bar (22) On be provided with one can around described slide bar (22) axis rotate rotary sleeve, described rotary sleeve be provided with a slide block, described set Being provided with a rotary chute on cylinder (23) inwall, described rotary chute has the first cooperation position and second and coordinates position, described cunning Bar (22) stretches in described sleeve (23) and described slide block is slidably matched with described rotary chute;Described hook (24) first end cuts with scissors Being connected to described coulisse (12) lower end, the second end is articulated with described sleeve (23) lower end, and the hook portion of described hook (24) is arranged at Second end of described hook (24), described in buckle (25) and be arranged in two described tong arms (32);
When described slide block coordinates position to coordinate with the first of described rotary chute, described hook (24) can be joined with described buckle (25) Conjunction makes described telescoping mechanism (3) remain retracted state;When described slide block coordinates position to coordinate with the second of described rotary chute, described Hook (24) buckles (25) and separates and make described telescoping mechanism (3) in extended configuration with described.
Tongs the most according to claim 6, it is characterised in that described rotary chute also have the 3rd cooperation position, described in hang When pincers are in static condition, described slide block slips into the described 3rd and coordinates position.
Tongs the most according to claim 5, it is characterised in that be additionally provided with splash-back (4) on two described tong arms (32), Described splash-back (4) is arranged between the pin joint of caliper described in a pair (5) and two described tong arms (32).
9. according to the tongs described in any one of claim 1-8, it is characterised in that on the surface that caliper described in a pair (5) is relative Being provided with arcuate groove, two described arcuate grooves can surround a clip slot coordinated with Special suspender.
CN201620701842.4U 2016-07-04 2016-07-04 A kind of tongs Expired - Fee Related CN205838331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620701842.4U CN205838331U (en) 2016-07-04 2016-07-04 A kind of tongs

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Application Number Priority Date Filing Date Title
CN201620701842.4U CN205838331U (en) 2016-07-04 2016-07-04 A kind of tongs

Publications (1)

Publication Number Publication Date
CN205838331U true CN205838331U (en) 2016-12-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108726196A (en) * 2018-06-21 2018-11-02 陕西法士特齿轮有限责任公司 A kind of sheet gear fuel manipulator crane structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108726196A (en) * 2018-06-21 2018-11-02 陕西法士特齿轮有限责任公司 A kind of sheet gear fuel manipulator crane structure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161228

Termination date: 20200704

CF01 Termination of patent right due to non-payment of annual fee