CN203143386U

CN203143386U - Detachable automatic sand-adding sand tank and combined sand tank comprising the same

Info

Publication number: CN203143386U
Application number: CN 201320163882
Authority: CN
Inventors: 汤树林
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-03
Filing date: 2013-04-03
Publication date: 2013-08-21
Anticipated expiration: 2023-04-03

Abstract

The utility model discloses a detachable automatic sand-adding sand tank. The detachable automatic sand-adding sand tank mainly solves the problems that an existing sand tank is inconvenient to transport, the sand addition operation is high in cost and low in efficiency and the like. The detachable automatic sand-adding sand tank comprises a sand tank body, an automatic sand feeding mechanism, a conveyor and a power mechanism, wherein the sand tank body comprises a base, a sand leaking tank and a sand storage tank which are sequentially connected in a detachable mode from bottom to top, the automatic sand feeding mechanism is arranged at the upper end of the sand storage tank, the conveyor is arranged in the base, is communicated with the sand leaking tank and is used for conveying sand, the power system is used for providing power for the automatic sand feeding mechanism and the conveyor, the base, the sand leaking tank and the sand storage tank are all of a detachable structure, and a cutting knife which is close to the automatic sand feeding mechanism and is used for cutting sand bags open is further arranged inside the sand storage tank. The utility model further provides a combined sand tank comprising the two detachable automatic sand-adding sand tanks and a realizing method of the detachable automatic sand-adding sand tank. The detachable automatic sand-adding sand tank, the combined sand tank and the realizing method of the detachable automatic sand-adding sand tank are high in conveying efficiency and low in cost, and are higher in automation degree and construction efficiency compared with the prior art.

Description

The detachable compound type sand jar that adds sand sand jar and formation thereof automatically

Technical field

The utility model belongs to oil-gas field development pressure break, gas testing (oil) job execution field, specifically, relates to a kind of detachable compound type sand jar that adds sand sand jar and formation thereof automatically.

Background technology

At present, in oil-gas field fracturing, gas testing (oil) job execution, sand fracturing is a kind of important way.Tradition adds sand tank volume heaviness that sand adopts, tall and big, and transporting a sand jar needs 11 cars can be transported to the camp site at least, is not easy to disassembled for transport.In addition, also depositing following defective based on the sand operation that adds of traditional sand jar:

One, mechanical automation degree and to add sand efficient lower

In the last sand process, crane operation personnel participate in the overall process, and need the crane twenty four hours bag of codding at the construction field (site), and working strength is very big; Open the sand bag fully by manual operation, need at least two people (drawing job contract) with cutter the sand bag to be scratched the cost of labor height in the sand upper end;

Two, depositing potential safety hazard greatly

Crane is positioned at ground, and crane operation person is at ground construction, and it has tunnel vision, and is difficult to observe the situation that the sand upper end is drawn job contract, causes the sand bag of lifting to collide a stroke job contract easily, causes drawing the injured safety misadventure of job contract.

Therefore, how to research and develop a kind of convenient on-the-spot installation, mechanical automation degree height, sand jar that construction cost is low, just become those skilled in the art's focus development content.

The utility model content

The purpose of this utility model is to overcome above-mentioned defective, provides a kind of and is convenient to transport and the detachable sand sand jar that adds automatically that degree of automation is high.

To achieve these goals, the technical solution adopted in the utility model is as follows:

The detachable sand sand jar that adds automatically, comprise by to down and on successively detachable connection base, leak the sand jar body that sand jar and sand tank constitute, be arranged on the automatic sand mechanism of going up of sand tank upper end, be arranged in the base and with leak the forwarder that the sand jar is communicated with, is used for sand transportation, and for upward sand mechanism and forwarder provide the power system of power automatically; Wherein, base, leakage sand jar and sand tank are detachable structure, and also are provided with in described sand tank near sand mechanism on automatic and for stroke cutter of scratching the sand bag.

Specifically, the described sand mechanism of going up automatically comprises the slide rail that is fixed on described sand tank upper end and is obliquely installed by link span, what be arranged on the slide rail, be used for lifting Sha Bao and add sand adds sand mechanism, and be slidingly connected on the slide rail and with add sand mechanism and be used, be used for driving the sand bag and move to carriage than low side from the slide rail higher-end; Wherein, the slide rail higher-end extends to the outside of sand jar body.

Further, the described sand mechanism that adds comprises and is arranged on slide rail than the winch of low side, be arranged on the slide rail higher-end and be right against first pulley of winch, and one end be connected on the winch, the other end walks around that first pulley is connected with carriage and is used for connecting the steel cable of sand bag, and is connected with steel cable and for the fixing self-locking fixed mechanism of sand bag; Described stroke of cutter is arranged on described sand tank near the madial wall of first pulley, one end.

Simultaneously, described carriage comprises the coaster that is slidingly connected on the slide rail, is arranged at supratrochlear limiting through hole, captives joint with coaster and is right against second pulley of limiting through hole by fifth wheel; Described steel cable is walked around an end of first pulley and is walked around second pulley and pass limiting through hole.

Further again, described self-locking fixed mechanism comprises the movable engaging and disengaging gear that is arranged on the steel cable end and be used for connects the sand bag, and be installed in the described limiting through hole and with the catch gear of movable engaging and disengaging gear coupling.

Wherein, described movable engaging and disengaging gear comprises the shell that is connected and has sliding cavity with steel cable, be arranged in this shell sliding cavity and the end, upper end is the sliding-tongue that cone structure, lower end extend to housing exterior, at least two fastener bodies that centered by sliding-tongue, are circularly and evenly distributed and are fixed on the shell and can rotate with respect to shell by set pin, and be socketed on the sliding-tongue and an end is fixed on first spring of sliding cavity bottom; Wherein, the outside, the lower end of fastener body is provided with the zig-zag convex body, and the inboard corresponding with this zig-zag convex body is provided be used to second spring that backs down the fastener body;

Described catch gear comprises and is positioned at described limiting through hole upper end and diameter greater than the connecting element of limiting through hole, and with this connecting element locking annulus that structure and external diameter and limiting through hole mate that is solidified as a whole; Wherein, the inwall of described locking annulus is provided with the saw-tooth grooves of mating with described zig-zag convex body.

In order to improve this automation degree of equipment, on the basis of said structure, also comprise the mechanism that pulls back, cover the stressed of the coaster left and right sides for flat, the mechanism that pulls back is two and is symmetricly set in the coaster both sides; Specifically, this mechanism that pulls back comprises and is fixed on the slide rail and is positioned at the 3rd pulley with end with described first pulley, be fixed on the slide rail and be positioned at the 3rd spring of holding and be right against the 3rd pulley with described winch, and an end is connected with the 3rd spring, the other end is walked around the guy wire that the 3rd pulley is connected with coaster.

In order to enlarge the utility model Applicable scope, can store two kinds of sand or two or more sand simultaneously, the utility model also provides a kind of compound type sand jar, and it comprises at least two aforesaid detachable sand sand jars that add automatically.Meanwhile, between two adjacent sand tanks, be provided with for the dividing plate that intercepts two sand tank medium sands.

Mentality of designing of the present utility model: the sand jar by traditional integral type is improved to detachable structure, sand jar body is divided into base, leaks sand jar and sand tank three parts, and during application, three parts split and are transported to on-the-spot the installation, improve conveying efficiency, reduce traffic cost; Meanwhile, sand mechanism and forwarder on sand jar body upper/lower terminal is installed automatically respectively, sand process and sand bag fall the automation control of process after rise in the realization.

Compared with prior art, the beneficial effects of the utility model are:

(1) the utility model design is ingenious, rational in infrastructure, and degree of automation height, greatly reduced cost of labor, compared to existing technologies, it not only possesses novelty and creativeness, and have the very high market competitiveness and economic value, and apply on a large scale for it, established solid foundation.

(2) the utility model is designed to detachable structure with the tank body of whole sand jar, during transportation, the sand tank is split as some independently plates and entrucking, simultaneously, to go up the independent entrucking of sand mechanism automatically, and only need two transpories trolley above-mentioned parts can be transported to the scene, not only the conveying efficiency height, and cost of transportation only is about 20% of traditional sand jar cost of transportation, reduced traffic cost widely; After sand jar after the fractionation and automatically last sand mechanism are transported to the camp site, make up installation and can constitute complete sand jar, realize very convenient.

(3) on the basis of detachable structure sand jar, the utility model has also been set up automatically upward, and sand mechanism, stroke cutter and forwarder add the sand system automatically for constituting, wherein, automatically going up sand mechanism is used by winch, coaster and guy wire, lift to the top of sand jar for lifting sand bag and with the sand bag, the mechanical automation height of last sand operation, the last sand mode that has replaced existing employing crane lifting sand bag, on the one hand, improved last sand efficiency of operation, on the other hand, reduced crane usage charges, reduced cost of labor.

(4) the utility model is provided with in the inboard of close first pulley of sand tank and draws a cutter, the sand bag is in coaster is transported to sand tank, initiatively cutter is drawn in touching, by drawing cutter the sand bag is scratched, leak the sand operation, thereby having overcome effectively needs to draw job contract the sand bag is manually scratched in the prior art, draws that bag efficient is low, cost of labor is high, has the defective of great potential safety hazard.

(5) the utility model is provided with in the bottom and leaks the forwarder that the sand jar is communicated with, hourglass in the sand bag is after leak the sand jar, flow in the forwarder through leaking the sand jar again, by forwarder sand is transported to corresponding camp site, this forwarder with automatically go up sand mechanism, draw the cutter application that matches, constitute the whole-course automation running job of complete last sand → leakage sand → sand transportation, not only improved operating efficiency, reduced cost of labor, and increased safety of construction, guarantee workmen's personal safety.

(6) automatically go up sand mechanism in the utility model and connect the sand bag by guy wire, simultaneously, by the self-locking fixed mechanism relative position of sand bag and coaster is fixed, when sand being wrapped in slide to the sand jar and the coaster maintenance be synchronized with the movement; Movable engaging and disengaging gear in the self-locking fixed mechanism and catch gear simple in structure, design very ingenious, the state switching that zig-zag convex body and groove tighten mutually and break away from, it is convenient not only to realize, and the two chucking firm and reliable connection, on the one hand, guaranteed being synchronized with the movement of sand bag and coaster effectively, made the sand bag to slide to smoothly to be drawn in the sand tank cutter to be scratched and leak sand smoothly; On the other hand, avoided the sand bag to lift to the problem of back, sand jar upper end accidental.

(7) slide rail is designed to incline structure in the utility model, the sand bag winches to the sand tank top and is positioned at the slide rail higher-end, need not power driven this moment, can rely on sand bag deadweight make the sand bag slide to slide rail than low side, be that the sand bag slides to sand tank and drawn cutter and scratch leak sand until leaking this stage that sand is finished, entire equipment does not have power driven, has reduced energy consumption, energy-conserving and environment-protective.

(8) after leakage sand is finished, the removal process of sand bag is mainly by being arranged on the 3rd spring on the slide rail, the 3rd pulley and guy wire are finished, the distortion that when Sha Bao slides to slide rail than low side, is stretched of the 3rd spring, after hourglass finishes in the sand bag, sand bag weight reduces, when the restoring force of the 3rd spring during greater than the total force of sand bag and coaster, the 3rd spring is returned to sand bag and coaster by the 3rd pulley and guy wire the higher-end of slide rail, the sand bag falls after rise automatically, finish a step that adds the sand operation, simultaneously, prepare the next one and add the sand operation, realize adding the automatic cycle operation of sand, made things convenient for operation, improved operating efficiency.

Description of drawings

Fig. 1 is perspective view of the present utility model.

Fig. 2 is the perspective view that goes up sand mechanism in the utility model automatically.

Fig. 3 is the connection diagram of leaking sand jar and forwarder in the utility model.

Fig. 4 is carriage in the utility model and the location diagram that adds sand mechanism.

Fig. 5 is the utility model-last sand Principle of Process scheme drawing.

Fig. 6 is for going up the birds-eye view of sand mechanism and the mechanism that pulls back automatically in the utility model.

Fig. 7 is the inner structure scheme drawing of movable engaging and disengaging gear in the utility model.

Fig. 8 is for going up the schematic perspective view of sand mechanism and the mechanism that pulls back automatically in the utility model.

Fig. 9 is the structural representation of catch gear in the utility model.

In the above-mentioned accompanying drawing, the name of Reference numeral correspondence is called: the 1-base, and 2-leaks the sand jar, the 3-sand tank, 4-forwarder, 5-are gone up sand mechanism automatically, and 6-draws cutter, the movable engaging and disengaging gear of 7-, 8-sand bag, 9-the 3rd pulley, 10-the 3rd spring, 11-chassis, 12-guy wire;

The 51-link span, 52-slide rail, 53-winch, 54-first pulley, 55-coaster, 56-limiting through hole, 57-fifth wheel, 58-steel cable;

The 71-sliding-tongue, 72-fastener body, 73-first spring, 74-zig-zag convex body, 75-second spring;

The 81-connecting element, 82-locks annulus, 83-saw-tooth grooves.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Embodiment of the present utility model includes but not limited to the following example.

Embodiment

As shown in Figure 1, present embodiment provides a kind of detachable sand sand jar that adds automatically, transportation for convenience, minimizing traffic cost, and its sand jar body adopts detachable structure; Meanwhile, realize that by the automatic sand mechanism 5 of going up automatic stroke of the sand bags is wrapped, leaks sand, be transported to the camp site by forwarder 4 again, realize whole automation, the high efficiency that adds the sand operation, overcome the defective of prior art effectively, detachable structure design and do not say and speak based on its novelty of sand mechanism that automatically goes up of this structure, and in the technology of same domain or near field, the utility model has creativeness and practicality.

Be familiar with more clearly and understand in order to make those skilled in the art have the structure of each parts in the utility model and the annexation between each parts and position relation, below in conjunction with accompanying drawing the utility model is elaborated:

Be integral structure scheme drawing of the present utility model as Fig. 1, clear and legible for accompanying drawing, the mechanism that will not pull back among Fig. 1 lists.The utility model mainly comprises sand jar body, goes up sand mechanism, forwarder and power system four parts automatically; Wherein, power system provides the power support for whole equipment, and it belongs to existing mature technology, and it is a variety of for equipment provides the implementation of power also to have, and therefore, does not also draw among Fig. 1, and present embodiment does not elaborate yet; But, do not influence those skilled in the art the integral body of present technique understood.

Sand jar body, it comprises that base 1, leakage sand jar 2 and the sand tank 3 of detachable connection constitute successively on to descending.

Base 1 is positioned at the bottommost of entire equipment, and it is the steel framed structure of removable connection, and shape is a cuboid or cube structure, is mainly used in supporting the weight of whole sand jar, and forwarder 4 is arranged on base 1 inside.In order better to realize present embodiment, area also can be set greater than base 1 and the chassis 11 coaxial with base 1 in base 1 bottom, chassis 11 is spliced to form by three stand-alone assemblies.

Forwarder, forwarder is the cuboid channel architecture in the present embodiment, forwarder is obliquely installed, higher-end be input end and with leak the sand jar and be connected, be mouth than low side, sand is reliable to flow from focusing in the forwarder, in order further to guarantee the conveying effect of sand, conveyor bottom is provided with belt conveyor, is used for driving the sand transportation.

Base 1 top is for leaking sand jar 2, and the external structure of leaking sand jar 2 is consistent with base 1, is similarly detachable structure, and it mainly constitutes by leaking sand hopper, and leaks sand speed by automatically controlled flap type control, and its lower end is communicated with forwarder 4, as shown in Figure 3; Sand falls into Lou and then flow into forwarder by leaking sand hopper behind the sand jar 2, is transported to the camp site by forwarder then; In the present embodiment, one leaks sand jar 2 and comprises two leakage sand hoppers that are set up in parallel, and its purpose is that the sliding trace that drives the sand bag with the top coaster is complementary, and guarantees that sand in the sand bag falls into Lou in the sand hopper fully.

Leaking sand jar 2 tops is sand tank 3, sand tank 3 is mainly by the side plate head and the tail of outside detachable connecting and composing successively, its structure is the same with base, the space of sand tank 3 is greater than leaking sand jar 2, sand falls earlier through sand tank 3 in the sand bag, and then fall into the Lou leakage sand hopper of sand jar 2, in order better to realize present embodiment, in leaking the sand jar, can install for the sieve that filters, selects suitable gravel and leak; Further, in order to realize scratching automatically the purpose of sand bag, as shown in Figure 9, be provided with in the sidewall of sand mechanism on this example is automatic above sand tank is close and draw a cutter 6, this stroke cutter 6 is positioned on the path of motion that sand bag 8 slides to sand tank, after sand bag 8 slides to the position of drawing cutter 6, just drawn cutter automatically and scratched, begun to leak sand.

Need to prove that the external structure of above-mentioned base, leakage sand jar, three parts of sand tank is complementary, detachable connection wherein or the implementation of detachable structure belong to existing known technology, therefore, do not do at this and to give unnecessary details.

Automatically go up the top that sand mechanism is positioned at whole sand jar body, and be fixed on the top of sand tank by fixing steel structure; Shown in Fig. 2,4, go up automatically that sand mechanism 5 mainly comprises slide rail 52, adds sand mechanism, carriage three parts.

Slide rail, for carriage provides moving line and support, slide rail is rectangular frame structure in the present embodiment, and it is fixed on sand tank 3 upper ends by link span 51, slide rail both sides inwall is equipped with for sliding recess, slide rail is obliquely installed, and there is diff-H in its rear and front end, for convenience of description, present embodiment is with slide rail higher-end called after head end, it is than low side called after tail end, and for the ease of the floor sand bag being winched to whole sand tank top, the head end of slide rail extends to the outside of sand jar body.

Add sand mechanism, it comprises the winch 53 that is arranged on slide rail 52 tail ends, be arranged on slide rail 52 head ends and be right against first pulley 54 of winch 53, and one end be connected on the winch 53, the other end walks around that first pulley 54 is connected with carriage and is used for connecting the steel cable of sand bag, adding sand mechanism is mainly used in the sand bag is winched to the sand tank top from ground, drive Sha Bao by coaster by gaza mechanism then and be synchronized with the movement with it, its working process shrinks steel cable by winch to be realized.

Carriage is used with adding sand mechanism, and it comprises the coaster 55 that is slidingly connected on the slide rail 52, is arranged at the limiting through hole 56 on the coaster 55, and captives joint with coaster 55 and be right against second pulley of limiting through hole 56 by fifth wheel 57; The steel cable that adds in the sand mechanism is walked around an end of first pulley 54 earlier, and then walks around the lower end that second pulley passes limiting through hole 56 and extends to limiting through hole, and as shown in Figure 4, the lower end of steel cable then is used for connecting sand bag 8.Wherein, the both sides of coaster respectively are provided with two wheels, wheel is built in the groove of slide rail inboard, after the sand bag is added sand mechanism and is winched to the sand tank top, fix by the self-locking fixed mechanism, keep relative static with coaster, then under the deadweight of sand bag and coaster, drive the sand bag by coaster and slide to tail end from the head end of slide rail.

After the sand bag winches to the sand tank top, fixing extremely important between itself and the coaster, in order to guarantee the fixed effect between the two, present embodiment also is provided with the self-locking fixed mechanism on the basis of said structure, this self-locking fixed mechanism is contained in and adds in the sand mechanism, shown in Fig. 7,8, this self-locking fixed mechanism comprises the movable engaging and disengaging gear 7 that is arranged on steel cable 58 ends and is used for connecting the sand bag, and be installed in the described limiting through hole 56 and with the catch gear of movable engaging and disengaging gear 7 couplings, after catch gear and movable engaging and disengaging gear tightened mutually, sand bag and coaster kept being synchronized with the movement.

Specifically, as shown in Figure 7, movable engaging and disengaging gear 7 comprises the shell that is connected and has sliding cavity with steel cable 58, be arranged in this shell sliding cavity and the end, upper end is the sliding-tongue 71 that cone structure, lower end extend to housing exterior, at least two fastener bodies 72 that centered by sliding-tongue 71, are circularly and evenly distributed and are fixed on the shell and can rotate with respect to shell by set pin, and be socketed on the sliding-tongue 71 and an end is fixed on first spring 73 of sliding cavity bottom; Wherein, the lower end of fastener body 72 outside is provided with zig-zag convex body 74, and the inboard corresponding with this zig-zag convex body 74 is provided be used to second spring 75 that backs down fastener body 72.

As shown in Figure 9, catch gear comprises the connecting element 81 that is positioned at limiting through hole 56 upper ends, and with the be solidified as a whole locking annulus 82 of structure and external diameter and limiting through hole 56 couplings of this connecting element 81; Wherein, the inscribed circle diameter of connecting element 81 is greater than limiting through hole, and connecting element does not then have solid shape, and the disc that it can be rule also can be other shape of fitfull; The inwall of described locking annulus 82 is provided with the saw-tooth grooves 83 with described zig-zag convex body 74 couplings.

Movable engaging and disengaging gear and catch gear are realized the chucking self-locking by following steps: one, under the initial condition, first spring pops up and to the sliding-tongue application of force, move on the sliding-tongue, fastener body upper end is withstood in its upper end, stressed and the outside movement in upper end of fastener body, the lower end moves inward and compresses second spring, and the fastener body is contraction state; Two, movable engaging and disengaging gear connect go up the sand bag after, to lower slider and compress first spring, upspring and back down fastener body lower end, makes it outwards mobile by second spring under the gravity effect of sand bag for sliding-tongue, fastener body upper end moves inward, and makes the open-shaped attitude of fastener body; Specifically, card body spare upper end no longer is subjected to the pressure of sliding-tongue, and card body spare lower end is subjected to the elastic force of second spring, and card body spare rotates around set pin, makes card body spare upper end move inward, block body spare lower end and outwards moves to open configuration; Three, after movable engaging and disengaging gear moves in the locking annulus in the catch gear, the circle ring inner wall compression that is locked of fastener body, the fastener body shrinks, and second spring is compressed in its lower end; Four, when the zig-zag convex body of fastener body lower end moved to saw-tooth grooves with its coupling, second spring was upspring and is backed down the fastener body, and its lower end is outwards mobile, and the upper end moves inward, the open-shaped attitude of fastener body, and zig-zag convex body and saw-tooth grooves tighten mutually.

Leak and also the sand bag need be pulled back to the slide rail head end after sand is finished, movable engaging and disengaging gear and catch gear break away from then, and the sand bag falls after rise to ground, so that circulation adds the sand operation; Wherein, sand bag falling to the mode on ground has two kinds: one, fall after rise to ground automatically by deadweight; Two, when sand bag gravity lighter, and can't fall after rise to ground automatically the time, then manually retract ground; The mode that realization sand bag falls after rise has multiple, and the above-mentioned falling implementation of only for example understanding two kinds of sand bags should be noted in the discussion above that above-mentioned dual mode should not limit protection domain of the present utility model.To achieve these goals, present embodiment also is provided with the mechanism that pulls back, for flat the stressed of the coaster left and right sides that cover, the mechanism that pulls back is two and is symmetricly set in the coaster both sides, shown in Fig. 6,8, this mechanism that pulls back is positioned at the 3rd pulley of holding 9 by being fixed on the slide rail 52 and with described first pulley 54, be fixed on the slide rail 52 and be positioned at the 3rd spring 10 of holding and be right against the 3rd pulley 9 with described winch 53, and an end is connected with the 3rd spring 10, the other end is walked around the 3rd cunning 9 guy wires 12 that are connected with coaster 55.Need to prove that it is that those skilled in the art distinguish for convenience that present embodiment is named steel cable 58 and guy wire 12 respectively, in fact the two can be steel cable or guy wire simultaneously, or be other cotton rope that is used for sliding block joint.

The principle of work of mechanism of pulling back is: coaster drives the sand bag and slides to the process of tail end from the slide rail head end, the 3rd spring stress is stretched, at this moment, the extension recovery power of the 3rd spring is less than the total weight of coaster and sand bag, sand bag medium sand is constantly missed in sliding process, and the 3rd spring constantly is stretched, after hourglass in the sand bag is intact, the total weight of sand bag and coaster is less than the extension recovery power of the 3rd spring, and the 3rd spring is returned to sand bag and coaster by the 3rd pulley and guy wire the head end of slide rail; Meanwhile, after hourglass finishes in the sand bag, weight saving, therefore, the restoring force of first spring is greater than the gravity of empty sand bag in the movable engaging and disengaging gear, and first spring is upspring, and drives the sliding-tongue upward movement, slide and establish the upper end that the fastener body is withstood at the top, the stressed outside motion in upper end of fastener body, inwardly moving in its lower end, makes the fastener body be contraction state, movable engaging and disengaging gear breaks away from from catch gear, and the sand bag is by falling after rise to ground automatically.Can realize repeatedly that thus circulation adds the sand operation, has greatly improved operating efficiency.

In oil-gas field fracturing, gas testing (oil) job execution, add sand and often need to use two kinds of different sand, therefore, present embodiment is on the above-mentioned detachable basis that adds sand sand jar automatically, a kind of compound type sand jar also is provided, this compound type sand jar is constituted by two detachable sand sand jars that add automatically, and two adjacent sand tanks are separate with leakage sand jar, are independent of each other; In another embodiment, two adjacent sand tanks can be interconnected with leakage sand jar, further, for avoiding two kinds of sand facies to influence mutually, on the basis of this embodiment, also can and leak between the sand jar at two adjacent sand tanks detachable baffle plate can be installed, and the two shares a baffle plate.What deserves to be explained is; only for example understand when two kinds of sand of needs add the sand operation in the present embodiment; the set-up mode of compound type sand jar; when three kinds of needs, four kinds even more different types of sand; only need the corresponding detachable sand sand jar that adds automatically that adapts with the sand kind that increases to get final product, also should be in protection domain of the present utility model to above-mentioned setting.

Working process of the present utility model mainly comprises sand, leaks sand and three processes of pulling back:

The step of last sand and leakage sand is as follows:

One, movable engaging and disengaging gear is connected sand and wraps, and winch shrinks, and pulling sand is wrapped liter;

Two, after movable engaging and disengaging gear rises to the position of catch gear, tighten mutually with catch gear, make sand bag and coaster be synchronized with the movement;

Three, winch oppositely discharges steel cable, and coaster utilizes the angle of inclination of self gravitation, slide rail to move than low side from the trend slide rail, and meanwhile, coaster drives the sand bag and moves in sand tank;

Four, the sand bag moves to when being provided with the position of drawing cutter in the sand tank, draws a cutter and directly the sand bag is scratched, and the sand in the sand bag falls to Lou in the sand jar, by forwarder sand is delivered to the camp site then.

The sand bag leaks the process of pulling back after sand is finished: after sand had fallen in the sand bag, the mechanism's pulling coaster of pulling back slided to the slide rail higher-end, and meanwhile, movable engaging and disengaging gear breaks away from catch gear, and winch discharges steel cable, and the sand bag falls after rise to ground.

The above, it only is preferred embodiment of the present 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 in order to limit the utility model, any those skilled in the art work as the technology contents of available above-mentioned announcement and make a little change or modify the equivalent embodiment of equivalent variations in not breaking away from the technical solutions of the utility model scope.

According to above-described embodiment, just can realize the utility model well.What deserves to be explained is; under the prerequisite based on above-mentioned principle of design; for solving same technical matters; some do not have substantial change or polishing even in that architecture basics disclosed in the utility model is made; the essence of the technical scheme that adopts is still the same with the utility model, so it also should be in protection domain of the present utility model.

Claims

1. the detachable sand sand jar that adds automatically, it is characterized in that, comprise by to down and on successively the base of detachable connection (1), leak the sand jar body that sand jar (2) and sand tank (3) constitute, be arranged on the automatic sand mechanism (5) of going up of sand tank (3) upper end, be arranged in the base (1) and with leak the forwarder (4) that sand jar (2) is communicated with, is used for sand transportation, and for upward sand mechanism (5) and forwarder (4) provide the power system of power automatically; Wherein, base (1), leakage sand jar (2) and sand tank (3) are detachable structure, and also are provided with the close sand mechanism of going up automatically also for stroke cutter (6) of scratching the sand bag in described sand tank (3).

2. the detachable sand sand jar that adds automatically according to claim 1, it is characterized in that, the described sand mechanism (5) of going up automatically comprises the slide rail (52) that is fixed on described sand tank (3) upper end and is obliquely installed by link span (51), what be arranged on that slide rail (52) goes up, is used for lifting Sha Bao and add sand adds sand mechanism, and be slidingly connected to that slide rail (52) is gone up and with add sand mechanism and be used, be used for driving the sand bag and move to carriage than low side from slide rail (52) higher-end; Wherein, slide rail (52) higher-end extends to the outside of sand jar body.

3. the detachable sand sand jar that adds automatically according to claim 2, it is characterized in that, the described sand mechanism that adds comprises and is arranged on slide rail (52) than the winch (53) of low side, be arranged on slide rail (52) higher-end and be right against first pulley (54) of winch (53), one end is connected in that winch (53) is gone up, the other end walks around that first pulley (54) is connected with carriage and be used for the steel cable (58) of connection sand bag, and be connected with steel cable (58), for the fixing self-locking fixed mechanism of sand bag; Described stroke of cutter (6) is arranged on described sand tank (3) near the madial wall of first pulley (54) one ends.

4. the detachable sand sand jar that adds automatically according to claim 3, it is characterized in that, described carriage comprises the coaster (55) that is slidingly connected on the slide rail (52), be arranged at the limiting through hole (56) on the coaster (55), and captive joint with coaster (55) and be right against second pulley of limiting through hole (56) by fifth wheel (57); Described steel cable (58) is walked around an end of first pulley (54) and is walked around second pulley and pass limiting through hole (56).

5. the detachable sand sand jar that adds automatically according to claim 4, it is characterized in that, described self-locking fixed mechanism comprises the movable engaging and disengaging gear (7) that is arranged on steel cable (58) end and be used for connects the sand bag, and be installed in the described limiting through hole (56) and with the catch gear of movable engaging and disengaging gear (7) coupling.

6. the detachable sand sand jar that adds automatically according to claim 5, it is characterized in that, described movable engaging and disengaging gear (7) comprises the shell that is connected and has sliding cavity with steel cable (58), be arranged in this shell sliding cavity and the end, upper end is cone structure, the lower end extends to the sliding-tongue (71) of housing exterior, at least two are circularly and evenly distributed centered by sliding-tongue (71) and are fixed on the shell by set pin, and the fastener body (72) that can rotate with respect to shell, and be socketed in that sliding-tongue (71) is gone up and an end is fixed on first spring (73) of sliding cavity bottom; Wherein, the outside, the lower end of fastener body (72) is provided with zig-zag convex body (74), and the inboard corresponding with this zig-zag convex body (74) is provided be used to second spring (75) that backs down fastener body (72);

Described catch gear comprises the connecting element (81) that is positioned at described limiting through hole (56) upper end, and with this connecting element (81) locking annulus (82) that structure and external diameter and limiting through hole (56) mate that is solidified as a whole; Wherein, the inwall of described locking annulus (82) is provided with the saw-tooth grooves (83) of mating with described zig-zag convex body (74).

7. according to each described detachable sand sand jar that adds automatically of claim 4 to 6, it is characterized in that, also comprise two mechanisms that pull back that are symmetricly set in coaster (55) both sides, this mechanism that pulls back comprises and is fixed on that slide rail (52) is gone up and is positioned at the 3rd pulley (9) with end with described first pulley (54), be fixed on slide rail (52) and upward and with described winch (53) be positioned at the 3rd spring (10) of holding and be right against the 3rd pulley (9), and an end is connected with the 3rd spring (10), the other end is walked around the guy wire (12) that the 3rd pulley (9) is connected with coaster (55).

8. a compound type sand jar is characterized in that, comprises at least two as each described detachable sand sand jar that adds automatically of claim 1 to 7.

9. a kind of compound type sand jar according to claim 8 is characterized in that, adjacent two leak between the sand jar (2) or/and also be provided with dividing plate between two sand tanks (3).