CN202473269U

CN202473269U - Automatic gripping tool for storage tank

Info

Publication number: CN202473269U
Application number: CN2011205591508U
Authority: CN
Inventors: 时军奎
Original assignee: Dalian Huarui Heavy Industry Group Co Ltd
Current assignee: Dalian Huarui Heavy Industry Group Co Ltd
Priority date: 2011-12-28
Filing date: 2011-12-28
Publication date: 2012-10-03
Anticipated expiration: 2021-12-28

Abstract

The utility model discloses an automatic gripping tool for a storage tank, which comprises a suspension device, a gripping device and a self-locking device, wherein the individual devices are connected and engaged through corresponding pivot shafts. The automatic gripping tool has a simple structure and is convenient for fabrication and maintenance. Owing to the self-locking device, the automatic gripping device moves vertically to alternately grip and release the storage tank with operating convenience and reliable performance. In case that the pivot shaft B, the self-locking device and the pivot shaft C are in a fault, the automatic gripping tool is still in a gripping state and prevents the storage tank from falling down to ensure the safety. The automatic gripping tool works based on the mechanical mechanism alone without needing electric, hydraulic or pneumatic drive, which is energy-saving, environment-friendly and cost-efficient. The key components of the self-locking device include a guide drum, a spring, a sliding rod and a pushing sleeve, so that the self-locking device is advantageous in low failure rate, strong universality and convenience in installation, maintenance and replacement.

Description

A kind of storage barrel automatic grasper

Technical field

The utility model relates to a kind of storage barrel automatic grasper, relates in particular to a kind of nuclear power station storage barrel gripping apparatus that can grasp automatically and can self-locking.

Background technology

The used in nuclear power station storage barrel is generally used for depositing and has radioactive material, does not allow the staff to be directly adjacent to, even also require gripping apparatus can effectively keep seized condition in the situation of earthquake; Therefore the gripping apparatus of storing bucket is had higher requirement; As automatic extracting, safe, reliability is high, failure rate is low or the like, existing nuclear power station is stored bucket and is realized extracting automatically, complex structure through electric driving or air cylinder driven mostly with gripping apparatus; Cost is higher, and failure rate is high.

Summary of the invention

To the defective of technique scheme, the technical matters that the utility model solves provides a kind of automatic extracting, safe, reliability is high, failure rate is low storage barrel gripping apparatus.

For reaching above purpose, realize through following technical scheme:

A kind of storage barrel automatic grasper comprises suspension apparatus, grabbing device and self-locking device, and its spy is: suspension apparatus is made up of suspension ring, the suspension bracket that is fixed on the suspension ring lower end, the upper limit position block that is separately positioned on suspension bracket top and bottom and lower position block; Grabbing device comprises, is arranged at the hinge A of suspension bracket front end, swing arm, the guiding hook that is fixed on the swing arm front end that is connected with suspension bracket through hinge A and the briquetting that is fixed on the swing arm lower end; Grabbing device is evenly distributed on the suspension bracket lateral surface and quantity is no less than 3; Self-locking device comprises, sliding bar, is nested with at the promotion cover in the sliding bar outside and is nested with at the guide pipe that promotes the cover outside; Sliding bar top is provided with the guiding tooth, and guiding number of teeth amount is that the lower surface is provided with baffle plate greater than 1 and for being uniformly distributed in the sliding bar lateral surface; Promotion puts end face and is provided with the calibration tooth, and calibration tooth radial outside tooth root portion is provided with slide block; The lower surface is provided with to cooperate with the baffle plate that is fixed on the sliding bar lower surface and is used to limit the lower surface groove that promotes cover and sliding bar axial displacement, and depth of groove is greater than the height of calibration tooth; Guide pipe lower end inwall is provided with annular projection; The annular projection upper surface is provided with the guiding helical teeth; Medial surface is provided with to match with slide block and guiding tooth and is used for the limit slippage bar and promotes the gathering sill of cover with respect to the guide pipe rotation; And the gathering sill degree of depth is less than the height of annular projection medial surface, and the guide pipe upper end is provided with detachable guide pipe base plate; The guide pipe upper end is connected with suspension bracket through hinge B; Promoting the cover lower end is connected with the swing arm rear end through hinge C; Be provided with spring in the cavity that sliding bar and guide pipe form; The maximum outside diameter that the guiding tooth forms on the sliding bar is smaller or equal to the guide pipe internal diameter, and the minimum diameter that forms greater than guide pipe inwall annular projection; Promote the cover top shoe and form maximum outside diameter less than the guide pipe internal diameter, and the minimum diameter that forms greater than guide pipe inwall annular projection.

Slide block, gathering sill are identical with guiding tooth number; Calibration tooth and guiding helical teeth number are 2 times of the guiding tooth; Slide block, calibration tooth and guiding tooth center are on same straight line; The flank of tooth angle of inclination of guiding tooth, calibration tooth and the helical teeth that leads is identical.

The guide pipe base plate is through fixing with the threads engaged that is arranged at guide pipe upper end medial surface.

Guiding hook rear end face is the inclined-plane.

Owing to adopted technique scheme, the utility model that a kind of storage barrel automatic grasper is provided, it is simple in structure, manufacturing and easy to maintenance; Be provided with self-locking device, come alternately to grasp and unclamp storage barrel through the automatic grasper vertical movement, easy to operate, dependable performance; Under the situation that hinge B, self-locking device and hinge C break down, automatic grasper also can be in seized condition, guarantees that storage barrel does not fall, and is safe; Do not need electric, hydraulic pressure or air pressure to drive, only need mechanical mechanism to realize action, cost is practiced thrift in energy-conserving and environment-protective; The key components of self-locking device only have guide cylinder, spring, sliding bar and promotion cover, and failure rate is low, and highly versatile is installed, safeguarded and changes conveniently.

Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of instructions, and for let the above-mentioned of the utility model with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.

Description of drawings

Fig. 1 is the plan structure synoptic diagram of the utility model.

Fig. 2 is the grabbing device structural representation of the utility model.

Fig. 2-1 is that the grabbing device of the utility model grasps the pre-structure synoptic diagram.

Fig. 2-2 is a structural representation in the grabbing device extracting process of the utility model.

Fig. 2-3 is that the grabbing device of the utility model is accomplished extracting back structural representation.

Fig. 3 is the self-locking device structural representation of the utility model.

Fig. 4 is the self-locking device structural profile synoptic diagram of the utility model.

Fig. 5 is the self-locking device tight lock part structural representation of the utility model.

Structural representation when Fig. 5-1 is the self-locking device release of the utility model.

Fig. 5-2 promotes to put calibration tooth structural representation when the guiding tooth boosts on the sliding bar for the self-locking device of the utility model.

Fig. 5-3 is the structural representation when guiding tooth is with guiding helical teeth routing motion on the self-locking device sliding bar of the utility model.

Fig. 5-4 is self-locking device when locking structural representation of the utility model.

Fig. 5-5 is the self-locking device releasing process guiding tooth and the guiding surface fit structure synoptic diagram of the utility model.

Fig. 5-6 is a mobile structural representation under the self-locking device releasing process guiding teeth directional of the utility model.

Embodiment

A kind of storage barrel automatic grasper comprises suspension apparatus 1, grabbing device 2 and self-locking device 3, and is as shown in Figure 1; Suspension apparatus 1 is made up of suspension ring 1.1, the suspension bracket 1.2 that is fixed on suspension ring 1.1 lower ends, the upper limit position block 1.3 that is separately positioned on suspension bracket 1.2 tops and bottom and lower position block 1.4, and is as shown in Figure 2; Grabbing device 2 comprises; The swing arm 2.2 that is arranged at the hinge A2.1 of suspension bracket 1.2 front ends, is connected with suspension bracket 1.2 through hinge A2.1; Make swing arm 2.2 can around hinge A2.1 rotation, be fixed on swing arm 2.2 front ends and for the guiding hook 2.3 that is fixedly connected be fixed on the briquetting 2.4 before swing arm 2.2 lower ends are positioned at guiding hook 2.3 after gallows 1.2 front end faces and be connected for rigidly fixing with swing arm 2.2; Guiding hook 2.3 rear end faces are the inclined-plane, and are as shown in Figure 2; Self-locking device 3 comprises, sliding bar 3.1, is nested with at the promotion cover 3.2 in sliding bar 3.1 outsides and is nested with at the guide pipe 3.3 that promotes cover 3.2 outsides as shown in Figure 3; Sliding bar 3.1 tops are provided with guiding tooth 3.11, and guiding tooth 3.11 quantity are that the lower surface is provided with baffle plate 3.12 greater than 1 and for being uniformly distributed in sliding bar 3.1 lateral surfaces; Promote cover 3.2 upper surfaces and be provided with calibration tooth 3.21, and calibration tooth 3.21 radial outside tooth root portions are provided with slide block 3.23; The lower surface is provided with the baffle plate 3.12 that is fixed on sliding bar 3.1 lower surfaces and cooperates, and be used to limit the lower surface groove 3.22 that promotes cover 3.2 and sliding bar 3.1 axial displacements, and groove 3.22 degree of depth is greater than the height of calibration tooth 3.21; Guide pipe 3.3 lower end inwalls are provided with annular projection 3.31; Annular projection 3.31 upper surfaces are provided with guiding helical teeth 3.32; Medial surface is provided with to match with slide block 3.23 and guiding tooth 3.11 and is used for limit slippage bar 3.1 and promotes the gathering sills 3.33 of cover 3.2 with respect to guide pipe 3.3 rotations; And gathering sill 3.33 degree of depth are less than the height of annular projection 3.31 medial surfaces, and guide pipe 3.3 upper ends are provided with guide pipe base plate 3.34 and through fixing with the threads engaged of guide pipe 3.3 upper end medial surfaces; Guide pipe 3.3 upper ends are connected with suspension bracket 1.2 through hinge B3.4 can rotate self-locking device 3 around hinge B3.4; Promote cover 3.2 lower ends and be connected with swing arm 2.2 rear ends, swing arm 2.2 can be rotated around hinge C3.5 with respect to self-locking device 3 through hinge C3.5; Be provided with spring 3.6 like Fig. 3 and shown in Figure 4 in the cavity that sliding bar 3.1 and guide pipe 3.3 form; Slide block 3.23, gathering sill 3.33 are identical with tooth 3.11 numbers that lead; Calibration tooth 3.21 and guiding helical teeth 3.32 numbers are 2 times of guiding tooth 3.11; Slide block 3.23 and calibration tooth 3.21 centers are on same straight line, and slide block 3.23, to swing to tooth 3.11 identical with gathering sill 3.33 width shown in Fig. 5-1; The flank of tooth angle of inclination of guiding tooth 3.11, calibration tooth 3.21 and the helical teeth 3.32 that leads is identical shown in Fig. 5-2 and Fig. 5-3; The maximum outside diameter that guiding tooth 3.11 forms on the sliding bar 3.1 is smaller or equal to guide pipe 3.3 internal diameters, and the minimum diameter that forms greater than guide pipe 3.3 inwall annular projections 3.31 is as shown in Figure 4; Described promotion is overlapped 3.2 top shoes 3.23 and is formed maximum outside diameters less than guide pipe 3.3 internal diameters, and the minimum diameter that forms greater than guide pipe 3.3 inwall annular projections 3.31 is shown in Fig. 5-2.

When gripping apparatus is idle; Self-locking device 3 is that locking state is shown in Fig. 5-4; Grabbing device 2 with respect to the horizontal plane angle is less shown in Fig. 2-1, when gripping apparatus need grasp storage barrel, at first gripping apparatus and storage barrel center is aligned; Moving down gripping apparatus then makes the briquetting 2.4 that is fixed on swing arm 2.2 lower ends contact shown in Fig. 2-1 with storage barrel bucket face; Make swing arm 2.2 around hinge A2.1 rotation, and then drive self-locking device 3, self-locking device 3 comprises; Sliding bar 3.1, be nested with at the promotion in sliding bar 3.1 outsides cover 3.2 and be nested with at the guide pipe 3.3 that promotes cover 3.2 outsides as shown in Figure 3; Make the promotion that is connected with swing arm 2.2 through hinge C3.5 overlap 3.2 pressurizeds, and then drive and to be arranged on the calibration tooth 3.21 that promotes cover 3.2 and to slide along the gathering sill 3.33 on the guide pipe 3.3 lower end annular projections 3.31 with slide block 3.23, slide block 3.23 forms maximum outside diameters less than guide pipe 3.3 internal diameters; And the minimum diameter that forms greater than guide pipe 3.3 inwall annular projections 3.31 is shown in Fig. 5-2; And then slide block 3.23 can be along gathering sill 3.33 rectilinear motions shown in Fig. 5-1 and Fig. 5-2, and calibration tooth 3.21 upwards promotes the guiding tooth 3.11 on sliding bar 3.1 tops, and then sliding bar 3.1 moves up; Spring 3.6 compressions that are provided with in the cavity that guide pipe base plate 3.34 and sliding bar 3.1 form; Like Fig. 3 and shown in Figure 4, because guiding tooth 3.11, calibration tooth 3.21 is identical shown in Fig. 5-5 and Fig. 5-6 with the flank of tooth angle of inclination of the guiding helical teeth 3.32 of inwall annular projection 3.31 upper surfaces, guide pipe 3.3 lower end, and then after guiding tooth 3.11 moves upward; Calibration tooth 3.21 can be interconnected with guiding helical teeth 3.32 inclined-planes; And in 3.6 effects of by compression spring down, because the maximum outside diameter that guiding tooth 3.11 forms is smaller or equal to guide pipe 3.3 internal diameters, and as shown in Figure 4 greater than the minimum diameter of guide pipe 3.3 inwall annular projections 3.31 formation; And then the guiding tooth 3.11 on the sliding bar 3.1 can along the inclined-plane of guiding helical teeth 3.32 last get in the gathering sill identical 3.33 with its width as Fig. 5-5 with shown in the 5-6 shown in, the realization release; When self-locking device 3 is in released state; Swing arm 2.2 is because action of gravity makes it promote cover 3.2 around hinge A2.1 rotation and then pulling, and then swing arm 2.2 rotations increase shown in Fig. 2 .2 with horizontal sextant angle; Guiding hook 2.3 inner top side faces are stretched in the projecting plane, storage barrel outer; Upwards mention suspension apparatus 1 then, guiding hook 2.3 contact with the storage barrel outer, continuation upwards sling the realization storage barrel extracting and sling shown in Fig. 2-3.

If something unexpected happened; Cause hinge B3.4, self-locking device 3 and hinge C3.5 to damage; Because suspension bracket 1.2 tops are provided with the bottom and rigidly fix the upper limit position block 1.3 and lower position block 1.4 that is connected, and make grabbing device 2 can keep grasping movement, security performance is high.

When storage barrel need put down; At first storage barrel is vertically put down with ground and contact; Further putting down suspension apparatus 1 makes and is fixed on the briquetting 2.4 that swing arm 2.2 lower ends are positioned at before guiding hook 2.3 after gallows 1.2 front end faces and contacts with the storage barrel upper surface; Swing arm 2.2 receives upwards thrust, and it can be rotated around hinge A2.1, and then presses promotion cover 3.2; Make the slide block 3.23 that promotes on the cover 3.2 promote the guiding tooth 3.11 of sliding bar 3.1 upper ends with calibration tooth 3.21; Gathering sill 3.33 rectilinear motions on the guide pipe 3.3 lower end annular projections 3.31 are shown in Fig. 5-1, when moving to 3.3 to relevant lower end during guiding helical teeth 3.32 tops of annular projection 3.31 upper surfaces of inwall, because the dip plane angle of guiding tooth 3.11, calibration tooth 3.21 and guiding helical teeth 3.32 is identical; The maximum outside diameter that guiding tooth 3.11 forms is smaller or equal to guide pipe 3.3 internal diameters; And the minimum diameter greater than guide pipe 3.3 inwall annular projections 3.31 form is as shown in Figure 4, and sliding bar 3.1 and guide pipe 3.3 form the spring 3.6 that is provided with in the cavitys by the said process compression, and then spring 3.6 tooth 3.11 that can promote to lead moves along the dip plane of guiding helical teeth 3.32; Until blocking locking; The baffle plate 3.12 of sliding bar 3.1 lower surfaces matches with the groove 3.22 that promotes cover 3.2 lower surfaces, can limit and promote cover 3.2 and sliding bar 3.1 axial displacements, and the locking process of above-mentioned self-locking device is shown in Fig. 5-1, Fig. 5-2, Fig. 5-3 and Fig. 5-4.

The utility model is through above structure, realizes that the automatic grasper vertical movement alternately grasps and unclamp storage barrel, and is simple in structure, make easy to maintenance, easy to operate, energy-conserving and environment-protective and practiced thrift cost.

The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Though the utility model discloses as above with preferred embodiment, yet be not that any professional and technical personnel of being familiar with is not in breaking away from the utility model technical scheme scope in order to qualification the utility model; The technology contents that discloses when appeal capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.

Claims

1. storage barrel automatic grasper; Comprise suspension apparatus (1), grabbing device (2) and self-locking device (3), its spy is: described suspension apparatus (1) is made up of suspension ring (1.1), the suspension bracket (1.2) that is fixed on suspension ring (1.1) lower end, the upper limit position block (1.3) that is separately positioned on suspension bracket (1.2) top and bottom and lower position block (1.4); Described grabbing device (2) comprises, is arranged at the hinge A (2.1) of suspension bracket (1.2) front end, swing arm (2.2), the guiding hook (2.3) that is fixed on swing arm (2.2) front end that is connected with suspension bracket (1.2) through hinge A (2.1) and the briquetting (2.4) that is fixed on swing arm (2.2) lower end; Described grabbing device (3) is evenly distributed on suspension bracket (1.2) lateral surface and quantity is no less than 3; Described self-locking device (3) comprises, sliding bar (3.1), be nested with the promotion cover (3.2) in sliding bar (3.1) outside be nested with the guide pipe (3.3) that is promoting outside the cover (3.2); Described sliding bar (3.1) top is provided with guiding tooth (3.11), and guiding tooth (3.11) quantity is that the lower surface is provided with baffle plate (3.12) greater than 1 and for being uniformly distributed in sliding bar (3.1) lateral surface; Described promotion cover (3.2) upper surface is provided with calibration tooth (3.21), and calibration tooth (3.21) radial outside tooth root portion is provided with slide block (3.23); The lower surface is provided with to cooperate with the baffle plate (3.12) that is fixed on sliding bar (3.1) lower surface and is used for limiting the lower surface groove (3.22) that promotes cover (3.2) and sliding bar (3.1) axial displacement, and groove (3.22) degree of depth is greater than the height of calibration tooth (3.21); Described guide pipe (3.3) lower end inwall is provided with annular projection (3.31); Annular projection (3.31) upper surface is provided with guiding helical teeth (3.32); Medial surface is provided with to match with slide block (3.23) and guiding tooth (3.11) and is used for limit slippage bar (3.1) and promotes gathering sill (3.33) that cover (3.2) rotates with respect to guide pipe (3.3); And gathering sill (3.33) degree of depth is less than the height of annular projection (3.31) medial surface, and described guide pipe (3.3) upper end is provided with detachable guide pipe base plate (3.34); Described guide pipe (3.3) upper end is connected with suspension bracket (1.2) through hinge B (3.4); Described promotion cover (3.2) lower end is connected with swing arm (2.2) rear end through hinge C (3.5); Be provided with spring (3.6) in the cavity that described sliding bar (3.1) and guide pipe (3.3) form; Described sliding bar (3.1) is gone up maximum outside diameter that guiding tooth (3.11) forms smaller or equal to guide pipe (3.3) internal diameter, and the minimum diameter that forms greater than guide pipe (3.3) inwall annular projection (3.31); Described promotion cover (3.2) top shoe (3.23) forms maximum outside diameter less than guide pipe (3.3) internal diameter, and the minimum diameter that forms greater than guide pipe (3.3) inwall annular projection (3.31).

2. a kind of storage barrel automatic grasper according to claim 1 is characterized in that: described slide block (3.23), gathering sill (3.33) are identical with tooth (3.11) number that leads; Described calibration tooth (3.21) and guiding helical teeth (3.32) number are 2 times of guiding tooth (3.11); Described slide block (3.23), calibration tooth (3.21) and guiding tooth (3.11) center are on same straight line; The flank of tooth angle of inclination of described guiding tooth (3.11), calibration tooth (3.21) and the helical teeth (3.32) that leads is identical.

3. a kind of storage barrel automatic grasper according to claim 1 is characterized in that: described guide pipe base plate (3.34) is through fixing with the threads engaged that is arranged at guide pipe (3.3) upper end medial surface.

4. a kind of storage barrel automatic grasper according to claim 1 is characterized in that: described guiding hook (2.3) rear end face is the inclined-plane.