CN212301921U

CN212301921U - Heavy hammer excitation seismic source for seismic exploration

Info

Publication number: CN212301921U
Application number: CN202022198702.9U
Authority: CN
Inventors: 刘建生; 刘子龙; 蒋正中; 罗水余; 雍凡
Original assignee: Institute of Geophysical and Geochemical Exploration of CAGS
Current assignee: Institute of Geophysical and Geochemical Exploration of CAGS
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-05
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a heavy hammer for seismic exploration to excite a seismic source, relating to the technical field of seismic exploration; the device comprises a vehicle body, a lifting device, an excitation hammer body, a control device and the like; the bottom of the vehicle body is provided with a traveling mechanism, and one side of the vehicle body is provided with a lifting guide rail; the exciting hammer body is arranged on the lifting guide rail in a sliding manner; the lifting device is connected with the exciting hammer body, can drive the exciting hammer body to ascend along the lifting guide rail, and can release the transmission connection with the exciting hammer body so as to enable the exciting hammer body to fall freely; the control device is mounted on the vehicle body and is used for opening and closing the lifting device. The utility model improves the moving convenience of the equipment through the running mechanism at the bottom of the vehicle body; the lifting of the exciting hammer body is realized through the control device and the lifting device, the height position of the exciting hammer body on the lifting guide rail is adjustable, and the seismic source energy can be adjusted due to different gravitational potential energies at different height positions, so that the requirements of shallow layer and medium-shallow layer seismic exploration are met.

Description

Heavy hammer excitation seismic source for seismic exploration

Technical Field

The utility model belongs to the technical field of seismic exploration technique and specifically relates to a seismic exploration excites seismic source with weight is related to.

Background

Seismic exploration, which is a geophysical prospecting method for finding out the underground geological structure by artificially exciting seismic waves and researching the propagation condition of the seismic waves in the stratum, has been an important means for geological exploration. Seismic sources refer to articles or equipment used in seismic exploration to excite seismic waves, and in general, seismic sources are divided into explosive-type sources and non-explosive-type sources.

The non-explosive seismic source is a heavy hammer seismic source which is common, seismic waves are excited by the heavy hammer seismic source through manual or mechanical hammering of the ground, but no matter manual hammering equipment or mechanical hammering equipment, convenience is poor, the moving problem is not facilitated, the problem that seismic source energy cannot be adjusted exists, and the requirements of a shallow layer and a medium and shallow layer cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seismic exploration excites focus with weight to solve the current weight focus portability poor, the unadjustable problem of focus energy.

In order to solve the technical problem, the utility model provides a seismic exploration excites focus with weight, and concrete technical scheme is as follows:

a seismic exploration hammer-actuated seismic source, comprising: the lifting device comprises a vehicle body, wherein a travelling mechanism is arranged at the bottom of the vehicle body, and a lifting guide rail is arranged on one side of the vehicle body; the excitation hammer body is slidably mounted on the lifting guide rail; the lifting device is arranged on the vehicle body and is connected with the exciting hammer body; the lifting device can drive the excitation hammer body to ascend along the lifting guide rail and is released from transmission connection with the excitation hammer body, so that the excitation hammer body falls freely; a control device mounted on the vehicle body and configured to open and close the lifting device.

Further, the height of the top of the lifting guide rail is higher than that of the top of the vehicle body.

Furthermore, the lifting device comprises a motor, a transmission, a gear and a chain which are in transmission connection in sequence; the chain is connected with the exciting hammer body to drive the exciting hammer body to lift; the output shaft of the speed changer is in one-way transmission connection with the gear, so that the gear can be driven to rotate when the output shaft rotates, the output shaft stops rotating, and when the chain drives the gear to rotate under the gravity of the exciting hammer body, the gear is in transmission connection with the output shaft.

Further, a control box is mounted on the vehicle body, and the motor, the transmission, the gear and the control device are all mounted in the control box; and an operating rod for controlling the control device is arranged on the control box.

Furthermore, a steering wheel for controlling the steering of the travelling mechanism is arranged on the control box.

Further, the excitation hammer body comprises a shell and a plurality of balancing weights stacked in the shell, and the balancing weights can be taken out of the shell.

Further, the casing is provided with an opening, the opening is provided with a door capable of locking the opening, and the balancing weight can be taken out from the opening.

Further, be equipped with balancing weight mounting bracket and stop gear in the casing, it is a plurality of the balancing weight stacks in proper order from top to bottom on the balancing weight mounting bracket, stop gear with the balancing weight mounting bracket is connected for spacing the top the balancing weight.

Furthermore, the bottom of the excitation hammer body is arc-shaped.

Further, an installation cavity is arranged in the vehicle body, and a power supply device is installed in the installation cavity; the power supply device is respectively connected with the travelling mechanism, the lifting device and the control device and supplies power to the travelling mechanism, the lifting device and the control device.

According to the heavy hammer for seismic exploration, which is provided by the utility model, the movement of the whole seismic source is conveniently excited through the travelling mechanism at the bottom of the vehicle body, so that the movement convenience of the equipment is improved; and the lifting of the exciting hammer body is realized through the control device and the lifting device, the height position of the exciting hammer body on the lifting guide rail can be mechanically adjusted, and the adjustment of seismic source energy can be realized due to different gravitational potential energy caused by different height positions, so that the requirements of shallow layer and medium-shallow layer seismic exploration are met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram (a) of a heavy hammer-excited seismic source for seismic exploration according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram (two) of a heavy hammer-excited seismic source for seismic exploration according to an embodiment of the present invention;

fig. 3 is a schematic diagram (a) of a hammering process of a heavy hammer for seismic exploration to excite a seismic source according to an embodiment of the present invention;

fig. 4 is a schematic diagram (two) of a hammering process of the heavy hammer for seismic exploration to excite the seismic source according to the embodiment of the present invention.

Icon:

1-a vehicle body; 2-exciting the hammer body; 3-a traveling mechanism; 4-a seat; 5-operating box; 6-operating rod; 7-a steering wheel; 8-a power supply device; 9-lifting the guide rail.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present embodiment provides a seismic source excited by a heavy hammer for seismic exploration, and based on the problem of poor portability or mobility of the existing seismic source excited by the heavy hammer, the present embodiment designs the entire seismic source into a vehicle body 1 structure, and realizes convenient mobility of the seismic source by traveling of the vehicle body 1, and in addition, the problem of unadjustable or inaccurate adjustment of seismic source energy is solved.

Specifically, the lifting device of the present embodiment includes a vehicle body 1, a lifting device, an exciting hammer body 2, a control device, and other structures, and most of the structures and the control device of the lifting device of the present embodiment are located in a control box, and the structures and the control device are not labeled in the present embodiment; the vehicle body 1 of the present embodiment is similar to the existing forklift vehicle body 1 structure, the bottom of the vehicle body 1 is provided with the traveling mechanism 3, the traveling mechanism 3 generally includes tires, and the specific structural form of the vehicle body 1 and the traveling mechanism 3 can be designed with reference to the existing engineering machinery vehicle body 1, so the specific structural form of the present embodiment will not be described.

In addition, in order to facilitate the operation of the operator, a seat 4 and an operation box 5 are arranged in the vehicle body 1 of the embodiment, the operation box 5 is provided with a plurality of operation rods 6 or operation buttons, a steering wheel 7 is further arranged on the operation box 5, the operation rods 6 are connected with a control device so as to control the lifting device, and the steering wheel 7 is used for steering the traveling mechanism 3.

In addition, the vehicle body 1 of the embodiment is internally provided with an installation cavity, and a power supply device 8 is arranged in the installation cavity; the power supply device 8 is respectively connected with the travelling mechanism 3, the lifting device and the control device and supplies power to the travelling mechanism 3, the lifting device and the control device.

In order to realize the lifting of the exciting hammer 2, the front side of the vehicle body 1 of the embodiment is provided with a lifting guide rail 9, the structure of the lifting guide rail 9 is similar to the guide rail structure of the fork frame of the existing forklift, and the exciting hammer 2 is installed on the lifting guide rail 9 and is in sliding fit with the lifting guide rail 9.

As a preferable embodiment of the present embodiment, the height of the lifting rail 9 of the present embodiment is higher than the height of the vehicle body 1, so that the exciting hammer body 2 can fall from a high place, and has greater gravitational potential energy, and further has greater seismic source energy.

The lifting device of this embodiment is installed on automobile body 1 to be controlled by the controlling means of this embodiment, the lifting device of this embodiment can drive arouses hammer block 2 and rise to the optional position of promotion guide rail 9 along promoting guide rail 9, and can stop the action under controlling means's control, and remove the restriction to arousing hammer block 2 whereabouts, make arouse hammer block 2 can free fall under self gravity, and then realize the hammering and arouse the transverse wave.

The control device of the embodiment is installed on the vehicle body 1 and is connected with the lifting device through a circuit or a wireless signal, and the control device is used for opening and closing the lifting device and can also control the lifting speed of the lifting device. Specifically, the control device of the present embodiment may be any controller capable of sending a control command, such as a PLC, and the like, and therefore, the present embodiment does not describe a specific structural form and an operation principle of the control device.

Referring to fig. 3 and 4, when the heavy hammer excitation seismic source for seismic exploration works, the excitation hammer body 2 is lifted to the high point of the lifting guide rail 9 by the lifting device, and then the limitation of the lifting device on the excitation hammer body 2 is removed by the control device.

Based on the structural description, the heavy hammer for seismic exploration in the embodiment can excite the seismic source to move conveniently through the traveling mechanism 3 at the bottom of the vehicle body 1, so that the moving convenience of the equipment is improved; the lifting of the exciting hammer body 2 is realized through the control device and the lifting device, the height position of the exciting hammer body 2 on the lifting guide rail 9 can be mechanically adjusted, and the adjustment of seismic source energy can be realized due to the fact that the gravity potential energy is different due to the difference of the height position, and the requirements of shallow layer and medium shallow layer seismic exploration are met.

Specifically, the lifting device of the present embodiment has various structural forms, for example, the lifting device of the present embodiment may include a motor, a transmission, a gear, and a chain (the above components are not shown in the figure); in order to simplify the structure and improve the integrity of the equipment, the upper accessory motor, the transmission, the gear and the control device of the embodiment are all installed in the control box, the motor of the embodiment is preferably a direct current motor, and the transmission of the embodiment is a gear box and other structures.

The output shaft of the motor of this embodiment is linked with the input shaft transmission of derailleur, and the output shaft of derailleur passes through structures such as one-way bearing with the gear and realizes that one-way transmission is connected, chain and gear connection to the chain still is connected with arousing hammer block 2, in order to drive to arouse hammer block 2 and go up and down.

When needs promote arouse hammer block 2, the output shaft that drives the derailleur through the motor rotates, and one-way bearing is in locking state to make the output shaft of derailleur can drive gear revolve when rotating, and then make the gear drive chain remove, and drive the arouse hammer block 2 of being connected with the chain and rise. When needing to arouse the hammer block 2 whereabouts, controlling means closes the rotation of motor, arouses hammer block 2 this moment because self gravity has the trend that drives the chain and remove, and because the structural feature of one-way bearing, can make the gear rotate at the output shaft of derailleur, and the gear is connected with the output shaft of derailleur relieving the transmission, the rotation of gear can not influence the output shaft of derailleur, perhaps the output shaft of derailleur can not influence the gear and around reverse rotation, and then makes to arouse hammer block 2 and can free fall and accomplish the hammering.

Certainly, the structural form of the lifting device of this embodiment is not limited to the above-mentioned gear chain transmission, and the lifting device is also not limited to the above-mentioned one-way bearing through which the lifting device releases the transmission connection with the excitation hammer 2, for example, the lifting device of this embodiment may also be a mechanism such as a cylinder or an oil cylinder, etc., a telescopic structure capable of being inserted and matched with the excitation hammer 2 is disposed at the outer end of the piston rod of the cylinder or the oil cylinder, when the excitation hammer 2 needs to be lifted, the telescopic structure is inserted into the insertion hole of the excitation hammer 2, then the cylinder or the oil cylinder drives the excitation hammer 2 to ascend, when the excitation hammer 2 needs to freely fall, the telescopic structure is directly retracted, the telescopic structure may be any one of the existing linear reciprocating structures, such as a gear rack matching structure, etc., which is not described much.

In addition, this embodiment has also made the improvement to the structure of arousing the hammer block 2 to further the regulation arouses hammer block 2 and arouses the energy, specifically, is that the arouses hammer block 2 of this embodiment includes the casing and stacks a plurality of balancing weights (not shown in the figure) in the casing, and the balancing weight can be taken out by the casing, and the mode of taking out can be that the opening is equipped with the opening at the casing, but the open-ended door that locks is equipped with, and the balancing weight can be taken out by the opening part.

As a preferred implementation of this embodiment, in order to prevent that the activity from appearing in a plurality of balancing weights in arousing 2 whereabouts in-process of hammer block, influence the hammering effect, be equipped with balancing weight mounting bracket and stop gear in the casing of this embodiment, a plurality of balancing weights stack on the balancing weight mounting bracket in proper order from top to bottom, stop gear is connected with the balancing weight mounting bracket to a balancing weight of spacing the top. Specifically, this mounting bracket can be a screw rod structure, and a plurality of balancing weights all are equipped with the through-hole or the screw of packing into in the screw rod, and this stop gear can include retaining members such as nut.

As a preferred embodiment of the present embodiment, in order to reduce the contact area of the exciting hammer 2 with the ground during hammering and increase the hammering pressure, the bottom of the exciting hammer 2 of the present embodiment is in an arc shape, and may be in a hemispherical shape.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A heavy hammer-excited seismic source for seismic exploration, comprising:

the lifting device comprises a vehicle body, wherein a travelling mechanism is arranged at the bottom of the vehicle body, and a lifting guide rail is arranged on one side of the vehicle body;

the excitation hammer body is slidably mounted on the lifting guide rail;

the lifting device is arranged on the vehicle body and is connected with the exciting hammer body; the lifting device can drive the excitation hammer body to ascend along the lifting guide rail and is released from transmission connection with the excitation hammer body, so that the excitation hammer body falls freely;

a control device mounted on the vehicle body and configured to open and close the lifting device.

2. The heavy hammer-activated seismic source of claim 1, wherein the top of the lifting rail is at a higher elevation than the top of the vehicle body.

3. The heavy hammer-actuated seismic source for seismic exploration according to claim 1, wherein the lifting device comprises a motor, a transmission, a gear and a chain which are in sequential transmission connection;

the chain is connected with the exciting hammer body to drive the exciting hammer body to lift;

the output shaft of the speed changer is in one-way transmission connection with the gear, so that the gear can be driven to rotate when the output shaft rotates, the output shaft stops rotating, and when the chain drives the gear to rotate under the gravity of the exciting hammer body, the gear is in transmission connection with the output shaft.

4. The heavy hammer-actuated seismic source for seismic exploration according to claim 3, wherein a control box is mounted on said vehicle body, and said motor, said transmission, said gear and said control device are mounted in said control box;

and an operating rod for controlling the control device is arranged on the control box.

5. The heavy hammer-actuated seismic source for seismic exploration according to claim 4, wherein a steering wheel for steering the traveling mechanism is mounted on the control box.

6. The heavy hammer-actuated seismic source of claim 1, wherein the actuating hammer comprises a housing and a plurality of weights stacked within the housing, the weights being removable from the housing.

7. The hammer-actuated seismic source of claim 6, wherein the housing has an opening with a door that locks the opening, and the weight is removable from the opening.

8. The seismic source of claim 6, wherein the housing has a weight mounting rack and a limiting mechanism, the weights are stacked on the weight mounting rack from top to bottom, and the limiting mechanism is connected to the weight mounting rack and used for limiting the uppermost weight.

9. A hammer-actuated seismic source according to any one of claims 1 to 8, wherein the bottom of the actuating ram is curved.

10. A heavy hammer-activated seismic source as claimed in any one of claims 1 to 8, wherein a mounting cavity is provided in the vehicle body, and a power supply unit is mounted in the mounting cavity; the power supply device is respectively connected with the travelling mechanism, the lifting device and the control device and supplies power to the travelling mechanism, the lifting device and the control device.