CN208340654U - Weighing transport device and the automatic air mixing equipment comprising it - Google Patents

Abstract

The utility model provides a kind of weighing transport device and the automatic air mixing equipment comprising it, transport device of weighing includes: gravity sensor, weight box and gas cylinder, weight box is installed on gravity sensor, weight box includes ontology and dodge gate, weight box one side wall is dodge gate, and dodge gate and ontology surround open-topped barrel-like structure, and dodge gate feather edge and ontology are hinged, dodge gate top edge is detachably connected with ontology, can be with ground face contact after dodge gate top edge and ontology are detached from；Gas cylinder is fixed with mounting plate on bottom surface, is removably connected with bearing plate by screw with mounting plate, and bearing plate is located at below mounting plate, installs traveling wheel on bearing plate, and gas cylinder can be slid into weight box by dodge gate after dodge gate top edge and ground face contact.Weighing transport device and the automatic air mixing equipment comprising it solve the problems, such as that gas cylinder is transferred on high Accuracy Electronic Balance in the prior art and gas cylinder is detached from difficulty from high Accuracy Electronic Balance.

Description

Weighing transport device and the automatic air mixing equipment comprising it

Technical field

The utility model relates to gas mixing equipment, and in particular to a kind of weighing transport device and include the automatic of its Air mixing equipment.

Background technique

Chinese patent CN201620689016.2 discloses a kind of dedicated preparation platform of mixed gas, including main connecting tube, company It connects in the multiple for connecting unstrpped gas connector, being connected to the multiple for connecting of the main connecting tube other end of main connecting tube one end The outlet connector for connecing target gas cylinder, is connected between outlet connector and main connecting tube by filling pipeline, is prepared platform and is also wrapped Include the electronic balance for weighing to inflation target gas cylinder.Although the dedicated preparation platform of the mixed gas uses high-precision electronic It is big that balance promotes precision preparation, but the dedicated preparation platform of the mixed gas there are the shortcomings that are as follows:

Gas cylinder heavier mass, gas cylinder transfer is relatively difficult on high Accuracy Electronic Balance, need to expend a large amount of manpower Material resources increase use cost, and it is possible that collide in transfer process, easily send out when being flammable explosive gas in gas cylinder It makes trouble former.

Utility model content

The utility model will provide a kind of weighing transport device and the automatic air mixing equipment comprising it, solve the prior art Middle gas cylinder is transferred to difficult and gas cylinder on high Accuracy Electronic Balance and is detached from difficult problem from high Accuracy Electronic Balance.

To achieve the above object, the utility model uses the following technical solution:

The utility model proposes a kind of weighing transport devices, comprising: gravity sensor, weight box and gas cylinder, gravity Sensor is placed on ground, and weight box is equipped on gravity sensor, and weight box includes ontology and dodge gate, weight box one Side wall is dodge gate, and dodge gate and ontology surround open-topped barrel-like structure, and dodge gate feather edge and ontology are hinged, dodge gate Top edge is detachably connected with ontology, can be with ground face contact after dodge gate top edge and ontology are detached from；It is fixed on gas cylinder bottom surface There is mounting plate, bearing plate is removably connected with by screw with mounting plate, bearing plate is located at below mounting plate, installs on bearing plate Traveling wheel, gas cylinder can be slid into weight box by dodge gate after dodge gate top edge and ground face contact.

The utility model also proposed a kind of automatic air mixing equipment, comprising: the first air inlet pipe, the first valve, the second air inlet Pipe, the second valve, main tracheae, third valve and such as above-mentioned weighing transport device, main tracheae one end are connected to weighing transport The gas cylinder of device, is equipped with the third valve for being opened and closed main tracheae on main tracheae, the main tracheae other end be connected to first into Tracheae and the second air inlet pipe are equipped with the first valve for being opened and closed the first air inlet pipe in the first air inlet pipe, second into The second valve for being opened and closed the second air inlet pipe is installed on tracheae.

Compared with the prior art, the utility model has the following beneficial effects:

Before needing mixed gas, firstly, bearing plate and traveling wheel are mounted on gas cylinder bottom；Then, push rod is not pushed, is protected The pin that holds is inserted into door body, prevent top plate and door body keep top plate to be close to state, top plate with door body from relative displacement occurs Thickness is identical as door body thickness, and it is smooth to be just able to maintain entire dodge gate, and for traveling wheel, steadily walking is prepared on dodge gate, makes It obtains dodge gate top edge and ontology is detached from, dodge gate is rotated into the position that top edge is contacted with bottom surface, provides row for traveling wheel Walk springboard；After again, gas cylinder is pushed, so that traveling wheel enters in ontology after passing through dodge gate；Finally, push rod is pushed, so that volume Deformation occurs for spring so that bayonet lock, to mobile away from ontology direction, bayonet lock and door body are detached from, spring force keep top plate to door body it Between have distance, avoid hanging column when rotating by the obstruction of ontology, dodge gate rotated into vertical position, and hanging column and groove at this time Alignment keeps the state being pushed into push rod in hanging column, and lower coping only unclamps push rod so that top plate is close to door body, in wind spring Elastic force under it is ensured that bayonet lock is inserted into door body.First guide ring, the first guide rod, the second guide cylinder and the second guiding Bar plays the role of rotating the boom end rotary motion of time-division derotation in swingle, guarantees that push rod and bolt can be on straight line Movement.It avoids that manpower is leaned on to shift gas cylinder entirely, reduces labour cost, and fill convenient transfer after gas, be not susceptible to collide, more Add safety.

The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of automatic air mixing equipment；

Fig. 2 is the cross-sectional view in Fig. 1 in weighing transport device at weight box；

Fig. 3 is the A-A cross-sectional view in Fig. 2 at dodge gate；

Fig. 4 is the enlarged drawing of central axis in Fig. 3.

Appended drawing reference: gravity sensor 1, gas cylinder 3, ontology 21, dodge gate 22, groove 210, door body 221, rises weight box 2 Plate 222, top plate 223, limit assembly 224, spring 225, hanging column 226, push rod 231, the first guide rod 232, the first guide cylinder drop 233, swingle 234, wind spring 235, central axis 236, the second guide cylinder 237, the second guide rod 238, bayonet lock 239, guide ring 230, the first air inlet pipe 4, the first valve 5, the second air inlet pipe 6, the second valve 7, main tracheae 8, third valve 9, first pressure gauge 40, vacuum tube 41, the 4th valve 42, blow-down pipe 43, the 5th valve 44, displacement tracheae 45, the 6th valve 46, analyzer tube 48, the Seven valves 49, second pressure gauge 50, vacuum pump 51.

Specific embodiment

In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to Understand, the utility model be further elaborated with reference to the accompanying drawings and detailed description:

Embodiment 1:

As shown in Figure 1, Figure 2 and shown in Fig. 3, the utility model proposes a kind of weighing transport devices, comprising: gravity sensor 1, weight box 2 and gas cylinder 3, gravity sensor 1 are placed on ground, and weight box 2, weight box 2 are equipped on gravity sensor 1 Including ontology 21 and dodge gate 22,2 one side wall of weight box is dodge gate 22, and dodge gate 22 surrounds open-topped with ontology 21 Barrel-like structure, 22 feather edge of dodge gate and ontology 21 are hinged, and 22 top edge of dodge gate is detachably connected with ontology 21, works as dodge gate 22 top edges and ontology 21 can be with ground face contacts after being detached from；Gas cylinder is fixed with mounting plate on 3 bottom surface, can by screw with mounting plate Dismantling connection has bearing plate, and bearing plate is located at below mounting plate, traveling wheel is installed on bearing plate, when 22 top edge of dodge gate and ground Gas cylinder 3 can be slid into weight box 2 by dodge gate 22 after face contact.

As shown in Fig. 2, Fig. 3 and Fig. 4, for the simple dodge gate 22 of design structure, and the top margin of dodge gate 22 is realized Edge is flexibly connected with ontology 21, and 21 top surface of ontology is recessed to form groove 210, and there are two grooves 210, and two grooves 210 are located at 22 two sides of dodge gate；

Dodge gate 22 includes: door body 221, lifter plate 222, top plate 223, limit assembly 224, spring 225 and two hanging columns 226,221 feather edge of door body and ontology 21 are hinged, and from 221 top edge of door body inserted with lifter plate 222, lifter plate 222 can be opposite Door body 221 is slided, and lifter plate 222 is connected to 225 one end of spring, and 225 other end of spring is fixed on 221 inner wall of door body, lifting It being fixed at the top of plate 222 on a top plate 223,223 two sides of top plate are respectively and fixedly provided with for being linked into the hanging column 226 in groove 210, The junction of lifter plate 222 and door body 221 is provided with limit assembly 224, and position-limit mechanism is able to maintain top plate 223 and 221 nothing of door body Touching is sewed up, is able to maintain top plate 223 under 225 elastic force of spring when position-limit mechanism does not act on door body 221 and lifter plate 222 to door Have distance between body 221, and when top plate 223 with door body 221 is seamless contact when and hanging column 226 be located in groove 210 when hanging column 226 It cannot be detached from groove 210.

As shown in Fig. 2, Fig. 3 and Fig. 4, in order to design limit assembly 224 easy to use, realize in rotation dodge gate 22 When one people can be achieved with the driving to limit assembly 224, limit assembly 224 includes: push rod 231, the first guide rod 232, first Guide cylinder 233, swingle 234, wind spring 235, central axis 236, the second guide cylinder 237, the second guide rod 238 and bayonet lock 239；

Cavity is offered in top plate 223 and lifter plate 222, central axis 236, central axis are fixed on cavity inner wall Guide ring 230 is surrounded with outside 236, to there is gap between central axis 236, guide ring 230 passes through in swingle 234 guide ring 230 Portion, guide ring 230 are oriented to swingle 234 and rotate, and 230 length of guide ring is less than 236 length of central axis, and central axis 236, which is located at, leads End to outside ring 230 is fixed to 235 inner end of wind spring, and 235 outer end of wind spring is fixed to swingle 234；

Swingle 234 is hinged to the first guide cylinder 233 close to the end of top plate 223, and the first guide cylinder 233, which passes through, first Guide rod 232, the first guide rod 232 are fixed to 231 one end of push rod, and the first guide rod 232 the first guide cylinder 233 can be slided relatively Dynamic, 231 other end of push rod is pierced by from a hanging column 226；

Swingle 234 is hinged to the second guide cylinder 237 away from the end of top plate 223, and the second guide cylinder 237, which passes through, second Guide rod 238, the second guide rod 238 are fixed to 239 one end of bayonet lock, and the second guide rod 238 the second guide cylinder 237 can be slided relatively Dynamic, 239 other end of bayonet lock is for being inserted into door body 221, the glide direction and liter of bayonet lock 239 under the guiding of lifter plate 222 It is vertical with respect to the direction that door body 221 is slided that plate 222 is dropped；

Bayonet lock 239 is able to maintain under 235 elastic force of wind spring to be inserted into door body 221.

The working principle of the present embodiment: before needing mixed gas, firstly, bearing plate and traveling wheel are mounted on 3 bottom of gas cylinder Portion, due to the relatively good installation of gas that is safe from danger in gas cylinder 3 at this time；Then, push rod 231 is not pushed, and bayonet lock 239 is kept to be inserted into In door body 221, prevent top plate 223 and door body 221 are close to state with door body 221 from relative displacement, holding top plate 223 occurs, 223 thickness of top plate is identical as 221 thickness of door body, and it is smooth to be just able to maintain entire dodge gate 22, is that traveling wheel is put down on dodge gate 22 Steady walking is prepared, so that 22 top edge of dodge gate and ontology 21 are detached from, dodge gate 22 is rotated to top edge and is contacted with bottom surface Position, provide walking springboard for traveling wheel；After again, gas cylinder 3 is pushed, so that traveling wheel enters to ontology after passing through dodge gate 22 In 21；Finally, push rod 231 is pushed, so that deformation occurs for wind spring 235, so that bayonet lock 239 is to away from the movement of 21 direction of ontology, card Pin is detached from door body 221, keeps top plate 223 to have distance between door body 221 under 225 elastic force of spring, and hanging column 226 is avoided to rotate When obstruction by ontology 21, dodge gate 22 is rotated into vertical position, and hanging column 226 is aligned with groove 210 at this time, keeping will Push rod 231 is pushed into the state in hanging column 226, lower coping 223, so that top plate 223 is close to door body 221, pushes away at this point, only unclamping Bar 231, the elastic force of wind spring 235 is it is ensured that bayonet lock 239 is inserted into door body 221, and hanging column 226 is located in groove 210 at this time, and Gas cylinder 3 is enclosed in weight box 2, shaking when avoiding weighing.First guide cylinder 233, the first guide rod 232, the second guide cylinder 237 and second guide rod 238 play the role of rotating the time-division in swingle 234 and untwist 234 end rotary motion of bull stick, protect Card push rod 231 and bolt can move on straight line.

Embodiment 2:

As shown in Figure 1, the present embodiment also proposed a kind of automatic air mixing equipment, comprising: the first air inlet pipe 4, the first valve 5, the second air inlet pipe 6, the second valve 7, main tracheae 8, third valve 9 and transport device of weighing as described in Example 1, main gas 8 one end of pipe is connected to the gas cylinder 3 of weighing transport device, and the third valve divided for being opened and closed main tracheae 8 is equipped on main tracheae 8 9, main 8 other end of tracheae is connected to the first air inlet pipe 4 and the second air inlet pipe 6, is equipped in the first air inlet pipe 4 for being opened and closed First valve 5 of the first air inlet pipe 4 is equipped with the second valve 7 for being opened and closed the second air inlet pipe 6 in the second air inlet pipe 6.

The pressure in main tracheae 8 in order to just detect mixed gas in real time, in the first air inlet pipe 4 and the second air inlet pipe 6 and main gas The junction of pipe 8 is equipped with the first pressure gauge 40 for detecting the air pressure in main tracheae 8.

Guarantee in main tracheae 8 absolutely not other gases before mixed gas to realize, also avoids because of vacuum tube 41 and main It is corrosive in tracheae 8 and waits gases and vacuum pump 51 is caused to be easily damaged, 41 one end of vacuum tube is connected in the middle part of main tracheae 8, very 41 other end of blank pipe is fixed to the input terminal of the first vacuum pump 51, and for being opened and closed vacuum tube 41 is equipped on vacuum tube 41 Four valves 42, are communicated with blow-down pipe 43 and displacement tracheae 45 on vacuum tube 41, and blow-down pipe 43 and displacement tracheae 45 are located at 4th valve 42 is equipped with the 5th valve 44 for being opened and closed blow-down pipe 43 on blow-down pipe 43, is setting close to main 8 side of tracheae The 6th valve 46 for being opened and closed displacement tracheae 45 is installed on ventilation pipe 45.

For the pressure in real-time detection vacuum tube 41, it is equipped on vacuum tube 41 for detecting air pressure in vacuum tube 41 Second pressure gauge 50, second pressure gauge 50 is located at the 4th valve 42 far from main 8 side of tracheae.

In order to realize the mixed proportion of the detection gas in air mixing process, to guarantee that two kinds of gases can be sufficiently mixed It is even, it is communicated with analyzer tube 48 in vacuum tube 41, analyzer tube 48 is located at the 4th valve 42 on main 8 side of tracheae, analyzer tube 48 The 7th valve 49 for being opened and closed analyzer tube 48 is installed.

The working principle of the present embodiment: when mixed gas, firstly, closing the 4th valve 42, opening the 5th valve 44, close the Six valves 46 close the 7th valve 49, close the first valve 5, closing the second valve 7 and open third valve 9, so that gas cylinder Remaining gas can exclude in time in 3；Then, close the 4th valve 42, open the 5th valve 44, open the 6th valve 46, Close the 7th valve 49, close the first valve 5, close the second valve 7 and open third valve 9, by displacement tracheae 45 to Nitrogen is inputted in main tracheae 8 and gas cylinder 3, and residual gas is excluded, avoids being drawn into vacuum pump 51；After again, the is opened Four valves 42 close the 5th valve 44, close the 6th valve 46, close the 7th valve 49, close the first valve 5, close second Valve 7 and open third valve 9, vacuum pump 51 operates so that nitrogen is pumped, make be in winner's tracheae 8 and gas cylinder 3 etc. Vacuum；After again, the 4th valve 42 is closed, the 5th valve 44 is closed, closes the 6th valve 46, close the 7th valve 49, open the One valve 5 closes the second valve 7 and opens third valve 9, is passed through the first gas, pays attention to the inspection for observing gravity sensor 1 Measured value, so that the input of the first gas reaches designated value；Finally, closing the 4th valve 42, closing the 5th valve 44, close the Six valves 46 close the 7th valve 49, close the first valve 5, open the second valve 7 and open third valve 9, are passed through second Kind gas pays attention to the detected value for observing gravity sensor 1, so that the input of second of gas reaches designated value, realizes mixing.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (8)

1. a kind of weighing transport device characterized by comprising gravity sensor, weight box and gas cylinder, gravity sensor are set In on ground, being equipped with weight box on gravity sensor, weight box includes ontology and dodge gate, and weight box one side wall is to live Dynamic door, dodge gate and ontology surround open-topped barrel-like structure, and dodge gate feather edge and ontology are hinged, dodge gate top edge and Ontology is detachably connected, can be with ground face contact after dodge gate top edge and ontology are detached from；Gas cylinder is fixed with mounting plate on bottom surface, Bearing plate is removably connected with by screw with mounting plate, bearing plate is located at below mounting plate, traveling wheel is installed on bearing plate, when Gas cylinder can be slid into weight box by dodge gate after dodge gate top edge and ground face contact.

2. weighing transport device according to claim 1, which is characterized in that body top surface is recessed to form groove, and groove has Two, two grooves are located at dodge gate two sides；

Dodge gate includes: door body, lifter plate, top plate, limit assembly, spring and two hanging columns, and door body feather edge and ontology are hinged, From door body top edge inserted with lifter plate, lifter plate door body can slide relatively, and lifter plate is connected to spring one end, the spring other end It is fixed on door body inner wall, is fixed on a top plate at the top of lifter plate, top plate two sides are respectively and fixedly provided with for being linked into groove Hanging column is provided with limit assembly in the junction of lifter plate and door body；

Position-limit mechanism be able to maintain top plate with door body is seamless contacts；

Top plate is able to maintain under spring force when position-limit mechanism does not act on door body and lifter plate to there is distance between door body；

And it is contacted and hanging column cannot be detached from groove when hanging column is located in groove when top plate and door body are seamless.

3. weighing transport device according to claim 2, which is characterized in that limit assembly includes: push rod, the first guiding Bar, the first guide ring, swingle, wind spring, central axis, the second guide cylinder, the second guide rod and bayonet lock；

Cavity is offered in top plate and lifter plate, central axis is fixed on cavity inner wall, is surrounded with guide ring outside central axis, To there is gap between central axis, guide ring passes through in the middle part of swingle guide ring, and guide ring is oriented to swingle rotation, is oriented to ring length Less than center shaft length, the end that central axis is located at outside guide ring is fixed to wind spring inner end, and wind spring outer end is fixed to swingle；

Swingle is hinged to the first guide ring close to the end of top plate, and the first guide ring, which passes through, the first guide rod, the first guiding Bar is fixed to push rod one end, and the first guide rod the first guide ring can slide relatively, and the push rod other end is pierced by from a hanging column；

Swingle is hinged to the second guide cylinder away from the end of top plate, and the second guide cylinder, which passes through, the second guide rod, the second guiding Bar is fixed to bayonet lock one end, and the second guide rod the second guide cylinder can slide relatively, and the bayonet lock other end is used to be inserted into door body, The direction of the glide direction of bayonet lock door body sliding opposite with lifter plate is vertical under the guiding of lifter plate；

Bayonet lock is able to maintain under wind spring elastic force to be inserted into door body.

4. a kind of automatic air mixing equipment characterized by comprising the first air inlet pipe, the first valve, the second air inlet pipe, the second valve Door, main tracheae, third valve and weighing transport device as described in any one of claims 1 to 3, main tracheae one end are connected to The gas cylinder of weighing transport device is equipped with the third valve for being opened and closed main tracheae, main tracheae other end connection on main tracheae To the first air inlet pipe and the second air inlet pipe, the first valve for being opened and closed the first air inlet pipe is installed in the first air inlet pipe, The second valve for being opened and closed the second air inlet pipe is installed in the second air inlet pipe.

5. automatic air mixing equipment according to claim 4, which is characterized in that in the first air inlet pipe and the second air inlet pipe and master The junction of tracheae is equipped with the first pressure gauge for detecting main endotracheal air pressure.

6. automatic air mixing equipment according to claim 4 or 5, which is characterized in that be connected to vacuum tube one in the middle part of main tracheae End, the vacuum tube other end are fixed to the input terminal of the first vacuum pump, the 4th for being opened and closed vacuum tube are equipped on vacuum tube Valve, is communicated with blow-down pipe and displacement tracheae on vacuum tube, and blow-down pipe and displacement tracheae are located at the 4th valve close to main Tracheae side is equipped with the 5th valve for being opened and closed blow-down pipe on blow-down pipe, is equipped on displacement tracheae for being opened and closed Replace the 6th valve of tracheae.

7. automatic air mixing equipment according to claim 6, which is characterized in that be equipped on vacuum tube for detecting vacuum The second pressure gauge of intraductal atmospheric pressure, second pressure gauge are located at the 4th valve far from main tracheae side.

8. automatic air mixing equipment according to claim 7, which is characterized in that be communicated with analyzer tube, analyzer tube in vacuum tube The 7th valve for being opened and closed analyzer tube is installed on main tracheae side, analyzer tube positioned at the 4th valve.