CN207318739U - Automatic leveling and locking device for seismograph - Google Patents

Automatic leveling and locking device for seismograph Download PDF

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Publication number
CN207318739U
CN207318739U CN201721045119.6U CN201721045119U CN207318739U CN 207318739 U CN207318739 U CN 207318739U CN 201721045119 U CN201721045119 U CN 201721045119U CN 207318739 U CN207318739 U CN 207318739U
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China
Prior art keywords
shaft
retaining mechanism
gimbal ring
ring
locking device
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CN201721045119.6U
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Chinese (zh)
Inventor
刘丹
杨挺
王宜志
戴宇航
杜浩然
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Southern University of Science and Technology
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Southern University of Science and Technology
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Abstract

The utility model discloses a seismograph automatic leveling locking device relates to ocean earthquake observation technical field. The automatic leveling and locking device of the seismograph comprises a sensor, a sensor and a locking device, wherein the sensor is arranged at the top of the seismograph and used for detecting whether the seismograph is horizontal or not; the leveling mechanism comprises an outer balance ring, an inner balance ring and a clamping ring, the seismograph is fixed in the clamping ring, the gravity center of the seismograph is lower than the horizontal plane of the clamping ring, the clamping ring is pivoted in the inner balance ring, and the inner balance ring is pivoted in the outer balance ring; two groups of locking mechanisms are respectively used for locking the relative positions of the clamping ring and the inner balance ring and the relative positions of the inner balance ring and the outer balance ring; and the control assembly is respectively electrically connected with the sensor and the two groups of locking mechanisms and is used for receiving the detection result of the sensor and sending an operation instruction to the two groups of locking mechanisms. The utility model discloses a seismograph automatic leveling locking device has solved the problem that submarine seismograph is difficult to realize automatic leveling and locking.

Description

A kind of seismic detector automatic leveling locking device
Technical field
It the utility model is related to offshore earthquake observation technology field, more particularly to a kind of seismic detector automatic leveling locking dress Put.
Background technology
The non-constant width of frequency band of natural seismic wave, it is different according to earthquake observation simulation, by seismic detector be divided into short period seismograph, Broadband seismograph, very broadband seismograph etc., are also to need the seismic detector of different frequency bands next for Submarine seismic observation Earthquake in seabed occurs for observation.
Broadband seismograph is widely used in crustal movement, resources exploration, earth's internal structure imaging and seabed The research fields such as dynamic process monitoring, seismic detector belongs to high-precision instrument, more sensitive for orientation, especially Vertical Square To.When seismic detector is in heeling condition and beyond the permitted limit range of instrument (usually ± 3 ° within), it can seriously affect ground The normal work of instrument is shaken, then influences the quality of data of seismic detector record, therefore, in order to ensure that instrument works normally, seismic detector needs Leveling is carried out before operation.Realize on land very simple during this function, main at present manually adjust is installed on ground The adjusting nut of shake instrument bottom combines level meter to ensure that seismic detector is in horizontality to lock seismic detector.But for work Make for the submarine seismograph at deep-sea, leveling locking is still an arduous challenge.
Therefore, it is that can realize seismic detector automatic leveling and lock, it would be highly desirable to need a kind of seismic detector automatic leveling locking dress Put and solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of seismic detector automatic leveling locking device, to solve submarine seismograph hardly possible To realize automatic leveling and the problem of lock.
For this purpose, the utility model uses following technical scheme:
A kind of seismic detector automatic leveling locking device, including:Sensor, it is arranged at the top of seismic detector, for detecting Whether horizontal state seismic detector;Levelling gear, it includes outer gimbal ring, inner gimbal ring and clamping ring, and seismic detector is fixed on clamping ring Interior, seismographic center of gravity is less than the horizontal plane where clamping ring, and clamping ring is articulated in inside inner gimbal ring, and inner gimbal ring is articulated in Inside outer gimbal ring;Two groups of retaining mechanisms, it is respectively used to the relative position and inner equilibrium of locking clamping ring and inner gimbal ring The relative position of ring and outer gimbal ring;Control assembly, it is electrically connected with sensor and two groups of retaining mechanisms respectively, is passed for receiving The testing result of sensor, and send operational order to two groups of retaining mechanisms.
Preferably, two groups of retaining mechanisms include the first retaining mechanism and the second retaining mechanism, the first retaining mechanism is set Between outer gimbal ring and inner gimbal ring, the second retaining mechanism is arranged between inner gimbal ring and clamping ring.
Preferably, outer gimbal ring is pivotally connected by outer shaft and inner gimbal ring, and when the first retaining mechanism unlocks, inner equilibrium Ring can be rotated freely around outer shaft with respect to outer gimbal ring, and deep groove ball bearing is provided with outer shaft.
Preferably, outer gimbal ring is fixed in the seismographic equipment of protection by mounting hole.
Preferably, clamping ring is connected by interior shaft with inner gimbal ring, and when the second retaining mechanism unlocks, clamping ring It can be rotated freely around interior shaft with respect to inner gimbal ring, deep groove ball bearing be provided with interior shaft, interior shaft is mutually hung down with outer shaft Directly.
Preferably, outer shaft includes the first outer shaft and the second outer shaft, interior shaft includes shaft and second in first Interior shaft.
Preferably, the first retaining mechanism and the second retaining mechanism are both provided with fixation kit, fixation kit includes:It is fixed Pedestal, it is individually fixed at the first outer shaft by screw thread and in first at shaft;Motor support base, its be threadably secured in On fixed pedestal.
Preferably, the first retaining mechanism and the second retaining mechanism are both provided with transmission component, transmission component includes:Slow down Motor, decelerating motor are fixed on motor support base, and are electrically connected with control assembly;Trapezoidal screw, its by yielding coupling with Decelerating motor connects, and the angle of friction of trapezoidal screw is more than lead angle;Feed screw nut, it is threadedly coupled with trapezoidal screw.
Preferably, the first retaining mechanism and the second retaining mechanism are both provided with brake assemblies, brake assemblies include:Brake Dish, it is connected with feed screw nut;Elastic diaphragm, its be socketed on respectively on the first outer shaft and first in shaft;Brake block, its Fixed by screw thread and elastic diaphragm, elastic diaphragm is nested in inside brake block;Shaft, brake disc pass through shaft and fixed pedestal Connection.
Preferably, seismic detector is connected by cabling with control assembly, cabling is through shaft in the second outer shaft and second It is pierced by.
The beneficial effects of the utility model:
The utility model is by providing a kind of seismic detector automatic leveling locking device, using levelling gear and two groups of locking machines Structure, and gravity principle is utilized, solve the problems, such as that submarine seismograph is difficult to realize automatic leveling and locks;Using the center of gravity of shake instrument , will be due to caused by gravity as long as ensure that seismic detector run-off the straight less than the set-up mode of horizontal plane where clamping ring Restoring moment driving levelling gear carries out leveling;By between outer gimbal ring and inner gimbal ring, and inner gimbal ring and clamping The mode of retaining mechanism is set between ring so that after sensor detects seismic detector leveling, locking machine is controlled using control assembly Structure locks the automatic leveling locking device;Lead angle mode is more than using the angle of friction of trapezoidal screw, it is ensured that retaining mechanism With auto-lock function so that retaining mechanism can be firmly locked;The side of shaft in the second outer shaft and second is passed through using cabling Formula, it is ensured that seismic detector can 360 degree rotate freely and from the constraint of cabling.
Brief description of the drawings
Now the embodiment of the utility model will be described with reference to appended attached drawing only by way of example, wherein
Fig. 1 is in the seismic detector automatic leveling locking device that the utility model embodiment provides under a visual angle Structure diagram;
Fig. 2 is in the seismic detector automatic leveling locking device that the utility model embodiment provides under another visual angle Structure diagram;
Fig. 3 is the partial enlarged view of the first retaining mechanism in Fig. 1;
Fig. 4 is the outer shaft center section plan of Fig. 1 automatic leveling locking devices;
Fig. 5 is the interior spindle central profile of Fig. 1 automatic leveling locking devices;
Fig. 6 is the control flow chart of Fig. 1 automatic leveling locking devices.
Marked in figure as follows:
1st, seismic detector;11st, sensor;
2nd, levelling gear;21st, outer gimbal ring;211st, mounting hole;22nd, inner gimbal ring;23rd, clamping ring;
3rd, retaining mechanism;31st, the first retaining mechanism;32nd, the second retaining mechanism;311st, fixed pedestal;312nd, motor support base; 313rd, decelerating motor;314th, trapezoidal screw;315th, feed screw nut;316th, brake disc;317th, shaft;318th, elastic diaphragm;319、 Brake block;
41st, the first outer shaft;42nd, the second outer shaft;
51st, shaft in first;52nd, shaft in second.
Embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 5, present embodiment provides a kind of seismic detector automatic leveling locking device, including sensor 11, It is arranged at the top of seismic detector 1, and whether sensor 11 is obliquity sensor, horizontal for detecting seismic detector 1;Levelling gear 2, its Including outer gimbal ring 21, inner gimbal ring 22 and clamping ring 23, seismic detector 1 is fixed in clamping ring 23, and the center of gravity of seismic detector 1 is less than Horizontal plane where clamping ring 23, clamping ring 23 are articulated in inside inner gimbal ring 22, and inner gimbal ring 22 is articulated in outer gimbal ring 21 It is internal;Two groups of retaining mechanisms 3, it is respectively used to the relative position and inner gimbal ring 22 of locking clamping ring 23 and inner gimbal ring 22 With the relative position of outer gimbal ring 21;Control assembly, it is electrically connected with sensor 11 and two groups of retaining mechanisms 3 respectively, for connecing The testing result of sensor 11 is received, and operational order is sent to two groups of retaining mechanisms 3.The utility model is by using levelling gear 2 and two groups of retaining mechanisms 3, and gravity principle is utilized, solve the problems, such as that submarine seismograph is difficult to realize automatic leveling and locks.
Specifically, two groups of retaining mechanisms 3 include the first retaining mechanism 31 and the second retaining mechanism 32, the first retaining mechanism 31 Be arranged between outer gimbal ring 21 and inner gimbal ring 22, the second retaining mechanism 32 be arranged at inner gimbal ring 22 and clamping ring 23 it Between, so that two groups of retaining mechanisms 3 lock the relative position and inner gimbal ring 22 and outer balance of clamping ring 23 and inner gimbal ring 22 The relative position of ring 21.Specifically, outer gimbal ring 21 is pivotally connected by outer shaft and inner gimbal ring 22, when the first retaining mechanism 31 solves During lock, inner gimbal ring 22 can be rotated freely around outer shaft with respect to outer gimbal ring 21, and deep groove ball bearing is provided with outer shaft, deep Ditch ball bearing has the advantages that frictional resistance is small and rotating speed is high, can bear from axially or radially load.Specifically, outer balance Ring 21 is fixed on by mounting hole 211 in the equipment of protection seismic detector 1, to provide whole seismic detector automatic leveling locking device Protection and support.Specifically, clamping ring 23 is pivotally connected by interior shaft and inner gimbal ring 22, when the second retaining mechanism 32 unlocks, Clamping ring 23 can be rotated freely with respect to inner gimbal ring 22 around interior shaft, be provided with deep groove ball bearing at interior shaft, interior shaft with Outer shaft is perpendicular.Interior shaft in outer shaft be preferably be arranged in a mutually vertical manner, be staggered be also completely can with, here, phase Mutual vertically disposed benefit is that the levelling effect of seismic detector 1 is best.
Specifically, outer shaft includes the first outer shaft 41 and the second outer shaft 42, and interior shaft includes 51 He of shaft in first Shaft 52 in second.First retaining mechanism 31 and the second retaining mechanism 32 are both provided with fixation kit, and fixation kit includes:It is fixed Pedestal 311, it is individually fixed at the first outer shaft 41 by screw thread and in first at shaft 51;Motor support base 312, it passes through It is screwed on fixed pedestal 311, fixation kit is securely fixed two groups of retaining mechanisms 3 by fixed pedestal and motor support base In on outer gimbal ring 21 and inner gimbal ring 22.Specifically, the first retaining mechanism 31 and the second retaining mechanism 32 are both provided with transmission Component, transmission component include:Decelerating motor 313, decelerating motor 313 are fixed on motor support base 312, and are electrically connected with control assembly Connect;Trapezoidal screw 314, it is connected by yielding coupling with decelerating motor 313, and the angle of friction of trapezoidal screw 314 is more than screw thread Lift angle;Feed screw nut 315, it is threadedly coupled with trapezoidal screw 314, and two groups of retaining mechanisms 3 pass through transmission component and control assembly It is connected, and is fixed on fixation kit, by the control signal for receiving control assembly and sends braking instruction.Specifically, One retaining mechanism 31 and the second retaining mechanism 32 are both provided with brake assemblies, and brake assemblies include:Brake disc 316, itself and screw Nut 315 connects;Elastic diaphragm 318, its be individually fixed on the first outer shaft 41 and first in shaft 51;Brake block 319, It is fixed by screw thread and elastic diaphragm 318, and elastic diaphragm 318 is nested in inside brake block 319;Shaft 317, brake disc 316 It is connected by shaft 317 with fixed pedestal 311, brake assemblies receive the braking instruction of transmission component, and send braking maneuver, with Realize locking of two groups of retaining mechanisms 3 to whole device.Specifically, seismic detector 1 is connected by cabling with control assembly, cabling It is pierced by through shaft 52 in the second outer shaft 42 and second.
Wherein, two groups of retaining mechanisms 3 are individually fixed on outer gimbal ring 21 and inner gimbal ring 22 by fixed pedestal 311; Motor support base 312 plays the role of supporting motor;Decelerating motor 313 is preferably DC micro decelerating motor, is so able to ensure that When there is locked rotor current, decelerating motor can timely respond to instruct, and complete to slow down until stopping action, miniature to be then suitable for the ground Instrument automatic leveling locking device is shaken, meets the specific set-up mode of the utility model;Yielding coupling respectively with trapezoidal screw 314 It is connected with decelerating motor 313, its elastic reaction can pass through to zero clearance for compensation radial direction, angular and axial deviation Moment of torsion is transmitted in the connection of trapezoidal screw 314 and decelerating motor 313;The angle of friction of trapezoidal screw 314 is more than lead angle, is preferably Using 30 ° of trapezoidal screws, so ensure it with auto-lock function so that 316 firm grip brake block 319 of brake disc;Work as inclination angle After sensor 11 detects 1 level of seismic detector, control assembly control decelerating motor 313 operates, motor 314 turns of trapezoidal screw of driving It is dynamic, drive feed screw nut 315 to be moved upwards with brake disc 316, until clamping brake block 319, bullet occurs for elastic diaphragm 318 at this time Property deformation, prevent brake disc 316 move upwards;Stall occurs for decelerating motor 313, and control assembly detects locked rotor current and controls Motor stalls;Brake disc 316 is made of front and rear two blocks of braking vanes, and brake block 319 is arranged to the wide form in the narrow centre in both sides, The distance between two blocks of braking vanes can be adapted with brake block 319, to meet when brake disc 316 is lifted, 319 quilt of brake block Brake disc 316 is front and rear to be pinned, and then between inner gimbal ring 22 and clamping ring 23, between outer gimbal ring 21 and inner gimbal ring 22 no longer Rotate, so that whole device is locked.For ensure seismic detector 1 can 360 ° rotation, cabling (data transfer, the electricity of seismic detector 1 Source line) it will not be wound because of rotation, so that the rotary motion of limitation seismic detector 1, the cabling of seismic detector 1 is by outside second The centre bore of shaft 52 is drawn in shaft 42 and second, i.e., hole is opened to ensure in 52 center of shaft in the second outer shaft 42 and second Lead is by as shown in Fig. 4 to Fig. 5.
Specifically, the operation principle and the course of work that the utility model is applied are as follows:
The horizontal plane being less than due to the center of gravity of seismic detector 1 where interior shaft axis, as long as 1 run-off the straight of seismic detector, gravity Caused restoring moment will drive clamping ring 23, inner gimbal ring 22 to be rotated respectively along respective axis, the recuperability of seismic detector 1 Square is:
mgrsin(θ) (1)
Mg is the gravity of seismic detector 1 in formula (1), and r is distance of 1 center of gravity of seismic detector to inner gimbal ring center line, and θ is for vertical line and again Angle of the heart to axial connecting line.
When the center of gravity of seismic detector 1 is overlapped with the center of platform, restoring moment zero, seismic detector 1 stops operating, and returns to Horizontal level, obliquity sensor 11 detect that seismic detector 1 is horizontal, and control assembly control decelerating motor 313 operates, the first locking machine Structure 31 is locked at the same time with the second retaining mechanism 32.
After 1 leveling of seismic detector, it is subject to extraneous small disturbance, can still rotates, so, seismic detector 1 is remembered The data of the small vibrations in the ground of record are by inaccuracy, it is necessary to which the seismic detector 1 after leveling is locked so that seismic detector 1 with Relative motion does not occur between shell, keeps the information of accurately record earthquake motion.
As shown in fig. 6, the control stream for the seismic detector automatic leveling locking device that the utility model embodiment provides Cheng Tu.The seismic detector automatic leveling locking device includes:Sensor 11, levelling gear 2, retaining mechanism 3 and control assembly, control Component includes microprocessor and control circuit.Control assembly and obliquity sensor 11 are connected to the horizontal bench on seismic detector Face, seismic detector 1 are then connected by clamping ring 23 with levelling gear 2, and two groups of retaining mechanisms 3 are separately mounted to the outer of levelling gear 2 Near shaft and interior shaft.
In addition, the automatic leveling locking device is not limited to the application in seismic detector field.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in Within the protection domain of the utility model claims.

Claims (10)

  1. A kind of 1. seismic detector automatic leveling locking device, it is characterised in that including:
    Whether sensor (11), it is arranged at the top of seismic detector (1), horizontal for detecting the seismic detector (1);
    Levelling gear (2), it includes outer gimbal ring (21), inner gimbal ring (22) and clamping ring (23), and the seismic detector (1) is fixed In the clamping ring (23), the center of gravity of the seismic detector (1) is less than the horizontal plane where the clamping ring (23), the clamping Ring (23) is articulated in the inner gimbal ring (22) inside, and it is internal that the inner gimbal ring (22) is articulated in the outer gimbal ring (21);
    Two groups of retaining mechanisms (3), it is respectively used to the relative position for locking the clamping ring (23) and the inner gimbal ring (22) And the inner gimbal ring (22) and the relative position of the outer gimbal ring (21);
    Control assembly, it is electrically connected with retaining mechanism (3) described in the sensor (11) and two groups respectively, for receiving the biography The testing result of sensor (11), and send operational order to retaining mechanism (3) described in two groups.
  2. 2. automatic leveling locking device according to claim 1, it is characterised in that retaining mechanism (3) includes described in two groups First retaining mechanism (31) and the second retaining mechanism (32), first retaining mechanism (31) are arranged at the outer gimbal ring (21) Between the inner gimbal ring (22), second retaining mechanism (32) is arranged at the inner gimbal ring (22) and the clamping ring (23) between.
  3. 3. automatic leveling locking device according to claim 2, it is characterised in that the inner gimbal ring (22) by turning outside Axis and the outer gimbal ring (21) are pivotally connected, and when first retaining mechanism (31) unlocks, the inner gimbal ring (22) can be around The relatively described outer gimbal ring (21) of outer shaft rotates freely, and deep groove ball bearing is provided with the outer shaft.
  4. 4. automatic leveling locking device according to claim 1, it is characterised in that the outer gimbal ring (21) passes through installation Hole (211) is fixed in the equipment for protecting the seismic detector (1).
  5. 5. leveling locking device according to claim 3, it is characterised in that the clamping ring (23) passes through interior shaft and institute State inner gimbal ring (22) to be connected, when second retaining mechanism (32) unlocks, the clamping ring (23) can be around interior shaft Relatively described inner gimbal ring (22) rotates freely, and is provided with deep groove ball bearing in the interior shaft, the interior shaft with it is described outer Shaft is perpendicular.
  6. 6. automatic leveling locking device according to claim 5, it is characterised in that the outer shaft includes the first outer shaft (41) and the second outer shaft (42), the interior shaft includes in first shaft (52) in shaft (51) and second.
  7. 7. automatic leveling locking device according to claim 6, it is characterised in that first retaining mechanism (31) and institute State the second retaining mechanism (32) and be both provided with fixation kit, the fixation kit includes:
    Fixed pedestal (311), it is individually fixed in shaft in the first outer shaft (41) place and described first by screw thread (51) place;
    Motor support base (312), it is threadably secured on the fixed pedestal (311).
  8. 8. automatic leveling locking device according to claim 7, it is characterised in that first retaining mechanism (31) and institute State the second retaining mechanism (32) and be both provided with transmission component, the transmission component includes:
    Decelerating motor (313), the decelerating motor (313) are fixed on the motor support base (312), and with the control assembly It is electrically connected;
    Trapezoidal screw (314), it is connected by yielding coupling with the decelerating motor (313), the trapezoidal screw (314) Angle of friction is more than lead angle;
    Feed screw nut (315), it is threadedly coupled with the trapezoidal screw (314).
  9. 9. automatic leveling locking device according to claim 8, it is characterised in that first retaining mechanism (31) and institute State the second retaining mechanism (32) and be both provided with brake assemblies, the brake assemblies include:
    Brake disc (316), it is connected with the feed screw nut (315);
    Elastic diaphragm (318), its be socketed on respectively on first outer shaft (41) and described first in shaft (51);
    Brake block (319), it is fixed by screw thread and the elastic diaphragm (318), and the elastic diaphragm (318) is nested in described Brake block (319) is internal;
    Shaft (317), the brake disc (316) are connected by the shaft (317) with the fixed pedestal (311).
  10. 10. the automatic leveling locking device according to any one of claim 6~9, it is characterised in that the seismic detector (1) it is connected by cabling with the control assembly, the cabling is through shaft in second outer shaft (42) and described second (52) it is pierced by.
CN201721045119.6U 2017-08-21 2017-08-21 Automatic leveling and locking device for seismograph Active CN207318739U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721045119.6U CN207318739U (en) 2017-08-21 2017-08-21 Automatic leveling and locking device for seismograph

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721045119.6U CN207318739U (en) 2017-08-21 2017-08-21 Automatic leveling and locking device for seismograph

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107315191A (en) * 2017-08-21 2017-11-03 南方科技大学 Automatic leveling and locking device for seismograph

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107315191A (en) * 2017-08-21 2017-11-03 南方科技大学 Automatic leveling and locking device for seismograph
CN107315191B (en) * 2017-08-21 2023-09-26 南方科技大学 Automatic leveling and locking device for seismograph

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GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shenzhen Heman Marine Technology Co.,Ltd.

Assignor: Southern University of Science and Technology

Contract record no.: X2021990000518

Denomination of utility model: An automatic leveling locking device for seismograph

Granted publication date: 20180504

License type: Exclusive License

Record date: 20210823

EE01 Entry into force of recordation of patent licensing contract