CN215953656U

CN215953656U - Open-air environmental monitor convenient to carry

Info

Publication number: CN215953656U
Application number: CN202122052134.6U
Authority: CN
Inventors: 吴善瑜; 刘萌萌; 周剑
Original assignee: Lintao Dongju Solar Energy Technology Co ltd
Current assignee: Lintao Dongju Solar Energy Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-04
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a portable field environment monitor, which comprises a vertical rod, a detector body arranged at the top of the vertical rod, a wind direction sensor and a wind speed sensor, wherein the vertical rod comprises a bottom rod, a middle rod and a top rod, a folding mechanism A is arranged between the bottom end of the middle rod and the top end of the bottom rod, the folding mechanism A drives the bottom rod and the middle rod to be folded in parallel, a folding mechanism B is arranged between the top end of the middle rod and the bottom end of the top rod, and the folding mechanism B drives the top rod and the middle rod to be folded in an inclined manner. The utility model has the beneficial effects that: the vertical rod is folded, so that the vertical rod is convenient to transport and carry, and meanwhile, the environment monitor is installed without climbing onto the vertical rod manually, so that the installation reliability is improved.

Description

Open-air environmental monitor convenient to carry

Technical Field

The utility model relates to the technical field of environment monitoring equipment, in particular to a portable field environment monitor.

Background

Environmental monitoring refers to the activities of environmental monitoring agencies to monitor and measure environmental quality conditions. The environmental monitoring is to monitor and measure the index reflecting the environmental quality to determine the environmental pollution condition and the environmental quality.

The existing environment monitor needs to monitor the field environment, but is inconvenient to transport and carry due to the large size of the environment monitor. When the environmental monitor transported suitable open-air mounted position, generally installed the environmental monitor on the pole setting, and the mounting means was that operating personnel installed the pole setting on subaerial earlier, then climbed the top installation environmental monitor of pole setting again, and there is the potential safety hazard in this kind of operating means.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable field environment monitor, which aims to solve the technical problems that the environment monitor is inconvenient to transport and carry and potential safety hazards exist when the environment monitor is installed by manually climbing to the top of a vertical rod.

The utility model is realized by the following measures:

the utility model provides an open-air environmental monitor convenient to carry, includes the pole setting and sets up detector body, wind direction sensor and the air velocity transducer at the pole setting top, the pole setting includes sill bar, intermediate lever and ejector pin, the intermediate lever bottom with be provided with folding mechanism A between the sill bar top, folding mechanism A drive the sill bar is parallel folding with the intermediate lever, the intermediate lever top with be provided with folding mechanism B between the ejector pin bottom, folding mechanism B drive the ejector pin with the intermediate lever slope is folding.

Preferably, the bottom of intermediate lever is the horizontal plane, be provided with closure plate A on the horizontal plane of intermediate lever, be provided with protruding A on the closure plate A, one side of closure plate A is provided with connecting rod A, be provided with shaft hole A on the connecting rod A, be provided with otic placode A on the intermediate lever, otic placode A is close to closure plate A sets up on the bottom lateral wall of intermediate lever, the top of intermediate lever is inclined plane A, be provided with closure plate B on the inclined plane of intermediate lever, be provided with protruding B on the closure plate B, one side of closure plate B is provided with connecting rod B, be provided with shaft hole B on the connecting rod B, be provided with otic placode B on the closure plate B, otic placode B sets up closure plate B's opposite side, and with connecting rod B corresponds.

Preferably, the bottom rod is arranged on the base, the top end of the base is a horizontal plane, a plugging plate C is arranged on the horizontal plane of the base, a concave A is arranged on the plugging plate C, the size of the concave A is matched with that of the convex A, a fixed shaft A is arranged on one side of the plugging plate C and penetrates through the shaft hole A, an ear plate C is arranged on the base, the ear plate C is close to the plugging plate C and is arranged on the side wall of the top end of the base, the ear plate C corresponds to the fixed shaft A, the bottom end of the ejector rod is an inclined plane B, the inclined plane B is matched with the inclined plane A to form a closed vertical surface, a plugging plate D is arranged on the inclined plane B of the ejector rod, a concave B is arranged on the plugging plate D, the size of the concave B is matched with that of the convex B, and a fixed shaft B is arranged on one side of the plugging plate D, fixed axle B wears to establish in the shaft hole B, be provided with otic placode D on the ejector pin, otic placode D is close to shutoff board D and setting are in on the bottom lateral wall of ejector pin, otic placode D with fixed axle B corresponds.

Preferably, folding mechanism A includes electric putter A and buckle A, buckle A includes roof A, roof A bilateral symmetry is provided with curb plate A, and the both sides board A front end that the symmetry set up is provided with round pin shaft hole C, and the rear end is provided with fixed shaft hole C, fixed shaft hole C with the otic placode C of base corresponds, and fixed shaft hole C with be provided with fixed axle C in the otic placode C, be provided with round pin axle A in the round pin shaft hole C, be provided with fixing base A on the round pin axle A, electric putter A's push rod seat with fixing base A fixed connection, electric putter A sets up roof A bottom, be provided with pivot A in the otic placode A of intermediate lever bottom, pivot A with electric putter A's piston rod fixed connection.

Preferably, folding mechanism B includes electric putter B and buckle B, buckle B includes roof B, roof B bilateral symmetry is provided with curb plate B, and the both sides board B front end that the symmetry set up is provided with round pin shaft hole D, and the rear end is provided with fixed shaft hole D, fixed shaft hole D with the otic placode D of ejector pin bottom corresponds, and is provided with fixed axle D in the fixed shaft hole D, be provided with round pin axle B in the round pin shaft hole D, be provided with fixing base B on the round pin axle D, electric putter B's push rod seat with fixing base B fixed connection, electric putter B sets up roof B bottom, be provided with pivot B in the otic placode B on intermediate lever top, pivot B with electric putter B's piston rod fixed connection.

Preferably, be provided with the through-hole on the sill bar lateral wall, the sill bar with during the intermediate lever parallel folding, the through-hole sets up the otic placode B department on intermediate lever top, the sill bar end is provided with the base, be provided with the screw hole on the base.

Preferably, a cross beam is arranged at the top of the ejector rod, the upper end of the joint of the cross beam and the ejector rod is provided with the detector body, one end of the cross beam is provided with the wind direction sensor, and the other end of the cross beam is provided with the wind speed sensor.

Preferably, still including fixed cover, fixed cover includes that bottom surface and symmetry set up the side in bottom surface both sides, two be provided with the perforation between the side, set up in the perforation and insert the axle, insert axle one end and be provided with the split pin, the sill bar with when the intermediate lever is parallel folding, the bottom surface inboard of fixed cover with the intermediate lever lateral wall up end is connected, it sets up to insert the axle the bottom of sill bar lateral wall.

Preferably, when the top rod and the middle rod are obliquely folded, the top rod is connected with the middle rod through a bolt.

The utility model has the beneficial effects that:

1. the vertical rod is folded, so that the vertical rod is convenient to transport and carry, and meanwhile, the environment monitor is installed without climbing onto the vertical rod manually, so that the installation reliability is improved.

2. The vertical rod is divided into three sections, the bottom rod and the middle rod can be folded in parallel, the top rod and the middle rod can be folded in an inclined mode, and the whole length of the vertical rod is shortened after the bottom rod, the middle rod and the top rod are folded, so that the vertical rod is convenient to transport and carry.

3. The ejector rod and the intermediate rod are obliquely folded, so that the intermediate rod can be prevented from colliding with the detector body, the wind direction sensor and the wind speed sensor to cause damage to the detector body, the wind direction sensor and the wind speed sensor.

4. The fixed sleeve is arranged after the bottom rod and the middle rod are folded, the bolt connection is arranged between the middle rod and the ejector rod, and the folding firmness is improved.

5. The detector body, the wind direction sensor and the wind speed sensor are fixedly connected with the ejector rod, when the detector body, the wind direction sensor and the wind speed sensor are transported to a suitable position in the field, the ejector rod and the middle rod are opened to be in a vertical state, the middle rod and the bottom rod are opened to be in a vertical state, the whole vertical rod is directly installed on the ground, the detector body, the wind direction sensor and the wind speed sensor do not need to climb to the top end of the vertical rod manually, and installation safety is improved.

Drawings

Fig. 1 is a schematic structural view after the present invention is installed.

Fig. 2 is a schematic structural view after the folding of the present invention.

Fig. 3 is a schematic structural view of the base, the intermediate rod and the top rod after being folded.

Fig. 4 is a partially enlarged view of a portion a of fig. 3.

Fig. 5 is a partially enlarged view of fig. 3 at B.

Fig. 6 is a schematic structural view of the intermediate lever.

Fig. 7 is a schematic structural view of the base.

FIG. 8 is a schematic view of the bottom end of the middle rod engaged with the base.

Fig. 9 is a schematic structural view of the buckle plate A.

Fig. 10 is a schematic structural view of the jack.

FIG. 11 is a schematic structural view of the buckle B.

Fig. 12 is a schematic structural view of the top end of the intermediate rod and the bottom end of the top rod when the intermediate rod is matched.

Fig. 13 is a schematic structural view of the pouch.

Wherein the reference numerals are: 1. erecting a rod; 11. a bottom bar; 111. a through hole; 112. a base; 12. an intermediate lever; 121. a plugging plate A; 122. a protrusion A; 123. a connecting rod A; 1231. the shaft hole A; 124. an ear plate A; 125. a plugging plate B; 126. a protrusion B; 127. a connecting rod B; 1271. a shaft hole B; 128. an ear plate B; 13. a top rod; 131. a plugging plate D; 132. a recess B; 133. a fixed shaft B; 134. an ear plate D; 2. a detector body; 3. a wind direction sensor; 4. a wind speed sensor; 5. a folding mechanism A; 51. an electric push rod A; 52. buckling a plate A; 521. a top plate A; 522. a side plate A; 5221. a pin shaft hole C; 5222. a fixed shaft hole C; 53. a fixed shaft C; 54. a pin shaft A; 55. a fixed seat A; 56. a rotating shaft A; 6. a folding mechanism B; 61. an electric push rod B; 62. buckling a plate B; 621. a top plate B; 622. a side plate B; 6221. a pin shaft hole D; 6222. fixing the shaft hole D; 63. a fixed shaft D; 64. a pin B; 65. a fixed seat B; 66. a rotating shaft B; 7. a base; 71. a plugging plate C; 711. a recess A; 712. fixing a shaft A; 713. an ear plate C; 8. a cross beam; 9. fixing a sleeve; 91. a bottom surface; 92. a side surface; 10. and a cotter pin.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1, the utility model relates to a portable field environment monitor, which comprises an upright rod 1, a detector body 2, a wind direction sensor 3 and a wind speed sensor 4, wherein the detector body 2, the wind direction sensor 3 and the wind speed sensor 4 are arranged at the top of the upright rod 1, the upright rod 1 comprises a bottom rod 11, preferably, the bottom rod 11 is arranged in a base 7, the bottom rod 11 is the bottommost end of the upright rod, and the bottom end of the bottom rod is fixed with the ground through a bolt.

The top rod and the bottom rod of the utility model are all folded towards the middle rod, preferably, the bottom end of the middle rod 12 is a horizontal plane, the detector body, the wind direction sensor and the wind speed sensor of the utility model are fixedly connected with the top rod, after being transported to a suitable position in the field, the top rod and the middle rod are opened to be in a vertical state, then the middle rod and the bottom rod are opened to be in a vertical state, and then the whole vertical rod is directly installed on the ground.

Referring to fig. 3, fig. 6 and fig. 12, be provided with shutoff board a121 on the horizontal plane of intermediate lever, be provided with protruding a122 on the shutoff board a121, the purpose that sets up shutoff board a is mainly in order to set up protruding a, when base and intermediate lever keep vertical collinear setting, protruding a of intermediate lever bottom cooperates completely with the sunken a on the base shutoff board C, frictional force between reinforcing intermediate lever bottom and the base top, when preventing the strong wind weather, the intermediate lever takes place the slope for the sill bar, cause whole environmental monitor's damage. One side of shutoff board A121 is provided with connecting rod A123, is provided with shaft hole A1231 on the connecting rod A123, alternates fixed axle A on the base in the shaft hole A of intermediate lever bottom, can realize the top pivot connection of intermediate lever bottom and base, is provided with otic placode A124 on the intermediate lever 12, and otic placode A124 is close to shutoff board A and sets up on the bottom lateral wall of intermediate lever 12, and the purpose that sets up otic placode A provides the mounted position for electric putter A's piston rod.

Because the top end of the ejector rod is provided with the detector body, the wind direction sensor and the wind speed sensor, if the ejector rod and the middle rod are also folded in parallel, the detector body, the wind direction sensor and the wind speed sensor on the ejector rod can generate interference with the bottom end of the middle rod, therefore, the top rod and the middle rod are arranged obliquely, so that the bottom end of the middle rod 12 in the utility model is an inclined surface A, a blocking plate B125 is arranged on the inclined surface of the middle rod 12, a bulge B126 is arranged on the blocking plate B125, the blocking plate B is arranged to be used for arranging the bulge B126, when ejector pin and intermediate lever keep vertical synthrey setting, the protruding B on intermediate lever top completely cooperates with the sunken B on the shutoff board D of ejector pin bottom, strengthens the frictional force between intermediate lever top and the ejector pin bottom, and when preventing the strong wind weather, the ejector pin takes place the slope with the intermediate lever relatively, causes whole environmental monitor's damage. One side of the blocking plate B125 is provided with a connecting rod B127, the connecting rod B127 is provided with a shaft hole B1271, a fixing shaft B at the bottom end of the ejector rod penetrates through the shaft hole B1271, the pivot connection between the top end of the middle rod and the bottom end of the ejector rod can be realized, the blocking plate B125 is provided with an ear plate B128, and the ear plate B128 is arranged on the other side of the blocking plate B125 and corresponds to the connecting rod B127. The purpose of the lug plate B is to provide a mounting position for the piston rod of the electric push rod B.

Referring to fig. 7 and 8, the upper end of the bottom rod of the present invention is installed on the base 7, the top end of the base 7 is pivotally connected to the bottom end of the middle rod, wherein preferably, the top end of the base 7 is a horizontal plane, the horizontal plane of the top end of the base 7 corresponds to the horizontal plane of the bottom end of the middle rod, the horizontal plane of the base 7 is provided with a sealing plate C71, the sealing plate C on the base corresponds to the sealing plate a at the bottom end of the middle rod, when the base and the middle rod are collinear, the sealing plate C and the sealing plate a are attached, the sealing plate C71 is provided with a recess a711, the size of the recess a711 is completely matched with the size of the protrusion a122, so as to increase the friction force between the top end of the base and the bottom end of the middle rod, one side of the sealing plate C71 is provided with a fixing shaft a712, the fixing shaft a712 is inserted into the shaft hole a1231, so as to pivotally connect the top end of the base and the bottom end of the middle rod, the base 7 is provided with an ear plate C713, otic placode C713 is close to shutoff board C and sets up on the top lateral wall of base 7, otic placode C713 corresponds with fixed axle A712, otic placode C on the base 7 provides the mounted position for buckle A, preferably, otic placode C sets up fixed axle C in the fixed shaft hole C with buckle A rear end, fixed axle C is connected buckle A and base and becomes a holistic, consequently the flexible rotation that then realizes buckle A of electric putter A's piston rod, folding or keep vertical collinear state between finally realizing base top and the intermediate lever bottom.

Referring to fig. 2 and 10, the bottom end of the top rod 13 is an inclined plane B, and the inclined plane B and the inclined plane a cooperate to form a closed vertical plane, and if the inclined plane a at the top end of the middle rod is higher at the left end and lower at the right end, it is preferable that the inclined plane at the bottom end of the top rod 13 is set in a state that the left end is lower at the left end and the right end is higher at the right end, where the left end or the right end is only for convenience of describing the state of the inclined plane B and the inclined plane a, and it is the description of the present invention that the inclined plane B and the inclined plane a can be completely attached no matter which side is the left end and the right end. The inclined surface B of the ejector rod 13 is provided with a blocking plate D131, the blocking plate D131 is provided with a recess B132, the size of the recess B132 is matched with that of the protrusion B126, in order to increase the friction force between the bottom end of the ejector rod and the top end of the intermediate rod, one side of the blocking plate D131 is provided with a fixing shaft B133, and the fixing shaft B is arranged in the shaft hole B1271 in a penetrating manner, so that the ejector rod is in pivot connection with the intermediate rod.

The ejector rod 13 is provided with an ear plate D134, the ear plate D134 is close to the plugging plate D and is arranged on the side wall of the bottom end of the ejector rod 13, and the ear plate D134 corresponds to the fixed shaft B133. The ear plate D on the ejector rod provides an installation position for the pinch plate B, preferably, a fixed shaft D is arranged in a fixed shaft hole D at the rear end of the ear plate D and the pinch plate B,

the fixed shaft D connects the pinch plate ejector rods into a whole, so that the piston rod of the electric push rod B stretches and retracts to further rotate the pinch plate B, and finally the bottom end of the ejector rod and the top end of the middle rod are folded or kept in a vertical collinear state.

Referring to fig. 4, 7 and 9, a folding mechanism A5 is disposed between the bottom end of the middle rod 12 and the top end of the bottom rod 11, the folding mechanism A5 drives the bottom rod 11 and the middle rod 12 to fold in parallel, preferably, the folding mechanism A5 includes an electric push rod a51 and a buckle plate a52, the buckle plate a52 includes a top plate a521, side plates a522 are symmetrically disposed on both sides of the top plate a521, the front ends of the two symmetrically arranged side plates A522 are provided with pin shaft holes C5221, the rear ends are provided with fixing shaft holes C5222, the fixing shaft holes C5222 correspond to the ear plates C713 of the base 7, and a fixed shaft C53 is arranged in the fixed shaft hole C5222 and the ear plate C713, a pin shaft A54 is arranged in the pin shaft hole C5221, a fixed seat A55 is arranged on the pin shaft A54, a push rod seat of the electric push rod A51 is fixedly connected with the fixed seat A55, the electric push rod A is arranged at the bottom of the top plate A, a rotating shaft A56 is arranged in the ear plate A124 at the bottom end of the middle rod, and the rotating shaft A56 is fixedly connected with a piston rod of the electric push rod A51.

The working principle of the folding mechanism A is as follows: use to be collinear vertical state between intermediate lever and the sill bar as initial state, start electric putter A, electric putter A's piston rod limit extension limit is round pivot A and is rotary motion, because electric putter A's push rod seat is fixed connection with buckle A's roof A, consequently buckle A also rotates along with electric putter A's piston rod's rotation, because buckle A is fixed connection with base A top again, consequently buckle A is rotatory and then drives the base and use the fixed axle A of base to be circular motion as the axis, until the base rotate to become parallel folding state with the intermediate lever.

Referring to fig. 5, a folding mechanism B6 is disposed between the top end of the intermediate rod 12 and the bottom end of the top rod 13, and the folding mechanism B6 drives the top rod 13 and the intermediate rod 12 to fold obliquely.

Referring to fig. 11 and 12, the folding mechanism B6 includes electric putter B61 and buckle B62, buckle B62 includes roof B621, roof B621 bilateral symmetry is provided with curb plate B622, the both sides board B622 front end that the symmetry set up is provided with round pin shaft hole D6221, the rear end is provided with fixed shaft hole D6222, fixed shaft hole D6222 corresponds with otic placode D134 of ejector pin 13 bottom, and be provided with fixed axle D63 in the fixed shaft hole D6222, be provided with round pin axle B64 in the round pin shaft hole D, be provided with fixing base B65 on the round pin axle D, the push rod seat and the fixing base B65 fixed connection of electric putter B61, electric putter B sets up in roof B bottom, be provided with pivot B66 in the otic placode B128 at middle pole top, pivot B66 and electric putter B61's piston rod fixed connection.

The working principle of the folding mechanism B is as follows: use to be the vertical state of synteny between intermediate lever and the ejector pin as initial state, start electric putter B, rotary motion is surrounded around pivot B on electric putter B's piston rod limit extension limit, because electric putter B's push rod seat and buckle B's roof B are fixed connection, consequently buckle B also rotates along with electric putter B's piston rod's rotation, because buckle B is fixed connection with the ejector pin again, consequently buckle B is rotatory and then drives the fixed axle B that the ejector pin used the ejector pin and be circular motion as the axis, it is the slope fold condition to be up to ejector pin and intermediate lever.

Referring to fig. 2, a bottom rod 11 is arranged in the base 7, a through hole 111 is formed in the side wall of the bottom rod 11, when the bottom rod 11 and the middle rod 12 are folded in parallel, the through hole is formed in an ear plate B at the top end of the middle rod 12, a base 112 is arranged at the tail end of the bottom rod 11, and a screw hole is formed in the base 112.

The purpose of the through hole is to prevent the bottom rod from interfering with the lug plate at the top end of the middle rod when the bottom rod is too long.

Referring to fig. 2, a cross beam 8 is arranged at the top of the ejector rod 13, a detector body 2 is arranged at the upper end of the joint of the cross beam 8 and the ejector rod 13, a wind direction sensor 3 is arranged at one end of the cross beam 8, and a wind speed sensor 4 is arranged at the other end of the cross beam.

Referring to fig. 13, a portable field environmental monitor further comprises a fixing sleeve 9, the fixing sleeve 9 comprises a bottom surface 91 and side surfaces 92 symmetrically arranged on two sides of the bottom surface 91, a through hole is formed between the two side surfaces, an insertion shaft is arranged in the through hole, a cotter pin 10 is arranged at one end of the insertion shaft, when a bottom rod 11 and an intermediate rod 12 are folded in parallel, the inner side of the bottom surface of the fixing sleeve 9 is connected with the upper end face of the side wall of the intermediate rod, and the insertion shaft is arranged at the bottom of the side wall of the bottom rod.

After bottom bar and intermediate lever are folded, set up fixed cover on bottom bar and intermediate lever to pin the inserted shaft through the split pin, can effectively strengthen the fastness between bottom bar and the intermediate lever.

Referring to fig. 2, when the top bar 13 and the middle bar 12 are folded obliquely, the top bar 13 and the middle bar 12 are connected by bolts.

Because the ejector pin and the intermediate lever are obliquely arranged after folding, the ejector pin and the intermediate lever are fixed in a bolt mode in order to increase the firmness of the ejector pin and the intermediate lever.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The utility model provides a field environmental monitor convenient to carry, includes pole setting (1) and sets up detector body (2), wind direction sensor (3) and air velocity transducer (4) at pole setting (1) top, a serial communication port, pole setting (1) includes sill bar (11), intermediate lever (12) and ejector pin (13), intermediate lever (12) bottom with be provided with folding mechanism A (5) between sill bar (11) top, folding mechanism A (5) drive sill bar (11) and intermediate lever (12) parallel folding, intermediate lever (12) top with be provided with folding mechanism B (6) between ejector pin (13) bottom, folding mechanism B (6) drive ejector pin (13) with intermediate lever (12) slope is folding.

2. The portable field environmental monitor according to claim 1, wherein the bottom end of the middle rod (12) is a horizontal plane, a blocking plate A (121) is arranged on the horizontal plane of the middle rod, a protrusion A (122) is arranged on the blocking plate A (121), a connecting rod A (123) is arranged on one side of the blocking plate A (121), a shaft hole A (1231) is arranged on the connecting rod A (123), an ear plate A (124) is arranged on the middle rod (12), the ear plate A (124) is arranged on the side wall of the bottom end of the middle rod (12) close to the blocking plate A, the top end of the middle rod (12) is an inclined plane A, a blocking plate B (125) is arranged on the inclined plane of the middle rod (12), a protrusion B (126) is arranged on the blocking plate B (125), a connecting rod B (127) is arranged on one side of the blocking plate B (125), be provided with shaft hole B (1271) on connecting rod B (127), be provided with otic placode B (128) on shutoff board B (125), otic placode B (128) set up the opposite side of shutoff board B (125), and with connecting rod B (127) corresponds.

3. The portable field environmental monitor according to claim 2, wherein the bottom rod (11) is disposed on a base (7), the top end of the base (7) is a horizontal plane, a blocking plate C (71) is disposed on the horizontal plane of the base (7), a recess A (711) is disposed on the blocking plate C (71), the size of the recess A (711) matches the size of the protrusion A (122), a fixing shaft A (712) is disposed on one side of the blocking plate C (71), the fixing shaft A (712) is disposed in the shaft hole A (1231) in a penetrating manner, an ear plate C (713) is disposed on the base (7), the ear plate C (713) is close to the blocking plate C and disposed on the top end sidewall of the base (7), the ear plate C (713) corresponds to the fixing shaft A (712), and the bottom end of the top rod (13) is an inclined surface B, inclined plane B with inclined plane A cooperation forms closed vertical face, be provided with closure plate D (131) on the inclined plane B of ejector pin (13), be provided with on closure plate D (131) sunken B (132), the size of sunken B (132) with the size of protruding B (126) coincide, one side of closure plate D (131) is provided with fixed axle B (133), fixed axle B wears to establish in shaft hole B (1271), be provided with otic placode D (134) on ejector pin (13), otic placode D (134) are close to closure plate D and setting are in on the bottom lateral wall of ejector pin (13), otic placode D (134) with fixed axle B (133) correspond.

4. The portable field environmental monitor according to claim 3, wherein the folding mechanism A (5) comprises an electric push rod A (51) and a buckle plate A (52), the buckle plate A (52) comprises a top plate A (521), side plates A (522) are symmetrically arranged on two sides of the top plate A (521), a pin shaft hole C (5221) is arranged at the front end of the symmetrically arranged side plates A (522), a fixed shaft hole C (5222) is arranged at the rear end of the symmetrically arranged side plates A (522), the fixed shaft hole C (5222) corresponds to the ear plate C (713) of the base (7), a fixed shaft C (53) is arranged in the fixed shaft hole C (5222) and the ear plate C (713), a pin shaft A (54) is arranged in the pin shaft hole C (5221), a fixed seat A (55) is arranged on the pin shaft A (54), a push rod seat of the electric push rod A (51) is fixedly connected with the fixed seat A (55), the electric push rod A is arranged at the bottom of the top plate A, a rotating shaft A (56) is arranged in an ear plate A (124) at the bottom end of the middle rod, and the rotating shaft A (56) is fixedly connected with a piston rod of the electric push rod A (51).

5. The portable field environmental monitor according to claim 3, wherein the folding mechanism B (6) comprises an electric push rod B (61) and a buckle plate B (62), the buckle plate B (62) comprises a top plate B (621), two sides of the top plate B (621) are symmetrically provided with side plates B (622), the front ends of the symmetrically arranged two side plates B (622) are provided with pin hole D (6221), the rear ends of the symmetrically arranged two side plates B (622) are provided with fixed hole D (6222), the fixed hole D (6222) corresponds to the ear plate D (134) at the bottom end of the top rod (13), a fixed shaft D (63) is arranged in the fixed hole D (6222), a pin shaft B (64) is arranged in the pin hole D, a fixed seat B (65) is arranged on the pin shaft D, a push rod seat of the electric push rod B (61) is fixedly connected with the fixed seat B (65), and the electric push rod B is arranged at the bottom of the top plate B, a rotating shaft B (66) is arranged in an ear plate B (128) at the top end of the middle rod, and the rotating shaft B (66) is fixedly connected with a piston rod of the electric push rod B (61).

6. The portable field environmental monitor according to claim 3, wherein a through hole (111) is formed in a side wall of the bottom rod (11), when the bottom rod (11) and the middle rod (12) are folded in parallel, the through hole is formed in an ear plate B at the top end of the middle rod (12), a base (112) is arranged at the tail end of the bottom rod (11), and a screw hole is formed in the base (112).

7. The portable field environmental monitor according to claim 1, wherein a cross beam (8) is arranged on the top of the ejector rod (13), the detector body (2) is arranged at the upper end of the joint of the cross beam (8) and the ejector rod (13), the wind direction sensor (3) is arranged at one end of the cross beam (8), and the wind speed sensor (4) is arranged at the other end of the cross beam.

8. The portable field environmental monitor according to claim 1, further comprising a fixing sleeve (9), wherein the fixing sleeve (9) comprises a bottom surface (91) and side surfaces (92) symmetrically disposed on two sides of the bottom surface (91), a through hole is disposed between the two side surfaces, an insertion shaft is disposed in the through hole, a split pin (10) is disposed at one end of the insertion shaft, when the bottom rod (11) and the middle rod (12) are folded in parallel, the inner side of the bottom surface of the fixing sleeve (9) is connected with the upper end surface of the side wall of the middle rod, and the insertion shaft is disposed at the bottom of the side wall of the bottom rod.

9. The portable field environmental monitor according to claim 1, wherein the top bar (13) and the middle bar (12) are connected by bolts when the top bar (13) and the middle bar (12) are folded obliquely.