Protective device of GNSS receiver

Abstract

The utility model provides a protective device of a GNSS receiver. The protective device comprises a fixed mounting rack and a protective cover body assembly which is mounted on the fixed mounting rack and is used for placing the GNSS receiver. The protective cover body assembly comprises an upper cover body mounting assembly and a lower cover seat part; the lower cover seat part is mounted on the fixed mounting frame; the upper cover body mounting assembly is provided with a first screwing and clamping structure, and the lower cover seat component is provided with a second screwing and clamping structure; when the upper cover body installation assembly and the lower cover base part are detachably installed in a screwing and clamping mode, the first screwing and clamping structure and the second screwing and clamping structure are matched with each other so as to limit vertical separation of the upper cover body installation assembly and the lower cover base part. At least one clamping hole is formed in the top surface of the lower cover seat component; the upper cover body installation assembly comprises a protective grating piece, at least one elastic lock bolt mechanism and a support piece, and the support piece is used for installing the protective grating piece and the elastic lock bolt mechanism. According to the utility model, the safety protection of the GNSS receiver is realized, and the installation and maintenance are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to communication equipment installation protection technical field, concretely relates to a protection device of GNSS receiver. BACKGROUND

[0002] GNSS is called global navigation satellite system, is by the GPS of the United States, GLONASS of Russia, China's Beidou, the Galileo system of European Union combination, the number of visible satellites reaches 100 or more;Any place has the satellite of greater altitude angle and provides selection, makes the positioning accuracy higher, along with the development of satellite navigation positioning technology, GNSS receiving device is more and more popular, and GNSS receiving device is generally used in open place;But the existing GNSS receiver installation device is basically installed on the support rod through the cooperation between bolt and nut when installing, because it is in the external environment for a long time, and the structure of bolt and nut is relatively simple, it is not easy to realize the protection and anti-theft function of GNSS receiving device, and it is also inconvenient to install and daily overhaul and maintenance. UTILITY MODEL CONTENTS

[0003] Therefore, it is necessary to propose a protection device of GNSS receiver to overcome the shortcomings in the background art and solve the technical problem of how to realize the safety protection of GNSS receiver and facilitate installation and maintenance.

[0004] To achieve the above purpose, the utility model takes the following technical scheme:

[0005] The utility model provides a protection device of GNSS receiver for supporting and installing GNSS receiver, which comprises a fixed mounting frame and a protection cover assembly for placing GNSS receiver installed on the fixed mounting frame.

[0006] The protection cover assembly comprises an upper cover mounting assembly and a lower cover seat component, and the lower cover seat component is installed on the fixed mounting frame. The upper cover mounting assembly is provided with a first screwing and clamping structure, and the lower cover seat component is provided with a second screwing and clamping structure. When the upper cover mounting assembly and the lower cover seat component are detachably screwed and clamped, the first screwing and clamping structure and the second screwing and clamping structure cooperate with each other to limit the vertical separation of the upper cover mounting assembly and the lower cover seat component.

[0007] The top surface of the lower cover seat component is provided with at least one clamping hole.

[0008] The upper cover mounting assembly comprises:

[0009] The protection grid is used for protecting GNSS receiver and facilitating GNSS receiver communication.

[0010] At least one elastic bolt mechanism is used to limit the rotation separation between the upper cover body mounting assembly and the lower cover base component by plugging the bolt of the elastic bolt mechanism into the clamping hole.

[0011] A bracket member is used to mount the protective grating member and the elastic bolt mechanism.

[0012] Further, the elastic bolt mechanism comprises the bolt, the sleeve member and the spring member.

[0013] The bottom end of the bolt is used to plug into the clamping hole, the top end of the bolt is used as the force receiving part of the artificial plug-in bolt, and the middle section of the bolt is provided with a boss, the top surface of the boss is elastically pressed by the bottom end of the spring member.

[0014] The sleeve member is provided with a hollow pipe for extending into the bolt.

[0015] The spring member is installed in a component mounting cavity in the hollow pipe, and the boss is located in the mounting cavity; the top end of the spring member is limited by the upper limiting structure of the component mounting cavity, and the bottom surface of the boss is limited by the lower limiting structure of the component mounting cavity.

[0016] Further, the bracket member is divided into a support top, a support side and a support bottom; when the number of elastic bolt mechanisms is at least two, the sleeve member serves as the support side.

[0017] Further, the elastic bolt mechanism is vertically arranged.

[0018] Further, the support top is in a plate structure, the support bottom is in a ring block structure, the first screwing clamping structure is arranged on the periphery of the support bottom, the top surface of the lower cover base component is concavely provided with a ring groove, and the second screwing clamping structure is arranged on one side of the inner groove of the ring groove.

[0019] Further, a limiting groove is formed on the inner and outer sides of the ring groove, the ring groove communicates with the limiting groove, at least two limiting blocks serving as the first screwing clamping structure are fixed to the outer side of the support bottom, at least two insertion grooves for passing through the limiting blocks are formed on the outer side of the top surface of the lower cover base component, the insertion grooves, the ring groove and the limiting groove all communicate with each other, the clamping structure formed by the insertion grooves and the limiting grooves of the lower cover base component serves as the second screwing clamping structure, and the clamping hole is arranged on the bottom surface of the inner groove of the ring groove; when the support bottom is embedded in the ring groove and rotationally mounted, the limiting blocks are clamped in the limiting grooves; the number of the insertion grooves is not less than the number of the limiting blocks.

[0020] Further, the protective grating member is arranged on the outer side of the upper cover body mounting assembly.

[0021] Further, when the bottom end of the bolt is plugged into the clamping hole, the top surface of the bolt is flush with the top surface of the bracket member.

[0022] Further, the lower cover base part is provided with a wire through hole through which a cable of the GNSS receiver passes; and the lower cover base part is provided with a receiver mounting fixing structure for mounting the GNSS receiver.

[0023] Further, the fixed mounting frame comprises an iron pipe support and a concrete pier for sleeving and fixing the iron pipe support.

[0024] The utility model discloses the beneficial effects are:

[0025] The utility model discloses the security protection of GNSS receiver and convenient installation overhaul, still provide the hardware foundation for the anti -theft application function of the protection device of GNSS receiver, still improved the reliability of GNSS receiver installation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a three-dimensional structure schematic view of the protection device of GNSS receiver of the utility model;

[0027] Figure 2 It is the installation structure section view of the fixed mounting frame of the utility model when installing;

[0028] Figure 3 It is the installation structure explosion schematic view of the upper cover body mounting assembly and the lower cover base part of the utility model and partially sectioned;

[0029] Figure 4 It is the three-dimensional structure schematic view of the elastic lock bolt mechanism of the utility model and partially sectioned;

[0030] Figure 5 It is the three-dimensional structure schematic view of the lower cover base part of the utility model and partially sectioned;

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] GNSS receiver 100;Fixed mounting frame 1;Protection cover body assembly 2;Upper cover body mounting assembly 21;Lower cover base part 22;Clamping hole 220;Wire through hole 221;Receiver mounting fixing structure 222;Protective grid piece 211;Elastic lock bolt mechanism 212;Support piece 213;Support top 2131;Support bottom 2133;Lock bolt 2121;Boss 21210;Sleeve piece 2122;Part mounting cavity 21220;Spring piece 2123;First screwing clamping structure 214;Second screwing clamping structure 223;Annular groove 224;Limiting groove 2241;Insert groove 2242;Iron pipe support 11;Concrete pier 12;Rubber pad 18. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be further clearly and completely described in combination with the utility model embodiments below. It should be noted that the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] It should be understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0035] The terms "first", "second", "third", "fourth" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the "first", "second", "third", "fourth" features can explicitly or implicitly include one or more features.

[0036] Embodiment 1

[0037] As shown in the drawings: Figures 1-5

[0038] The embodiment provides a protection device of a GNSS receiver for supporting and installing the GNSS receiver 100, which comprises a fixed mounting frame 1 and a protection cover assembly 2 for placing the GNSS receiver 100 and installed on the fixed mounting frame 1.

[0039] The protection cover assembly 2 comprises an upper cover mounting assembly 21 and a lower cover seat component 22; the lower cover seat component 22 is installed on the fixed mounting frame 1; the upper cover mounting assembly 21 is provided with a first screwing clamping structure 214, and the lower cover seat component 22 is provided with a second screwing clamping structure 223; when the upper cover mounting assembly 21 and the lower cover seat component 22 are detachably screwing clamped and installed, the first screwing clamping structure 214 and the second screwing clamping structure 223 cooperate with each other to limit the vertical separation of the upper cover mounting assembly 21 and the lower cover seat component 22.

[0040] The top surface of the lower cover seat component 22 is provided with at least one clamping hole 220.

[0041] The upper cover mounting assembly 21 comprises:

[0042] The protection grid 211 is used for protecting the GNSS receiver 100 and facilitating the communication of the GNSS receiver 100.​

[0043] at least one elastic bolt mechanism 212, which is used to limit the rotation separation between the upper cover mounting assembly 21 and the lower cover base component 22 by means of a bolt 2121 of the elastic bolt mechanism 212 being elastically inserted into the clamping hole 220;

[0044] a bracket 213, which is used to mount the protective grid 211 and the elastic bolt mechanism 212.

[0045] The protective device of the GNSS receiver of the embodiment realizes the safety protection of the GNSS receiver and facilitates the installation and maintenance, and also provides a hardware basis for the anti-theft application function of the protective device of the GNSS receiver, and improves the reliability of the GNSS receiver installation.

[0046] Optimally, the elastic bolt mechanism 212 comprises the bolt 2121, a sleeve 2122 and a spring 2123.

[0047] The bottom end of the bolt 2121 is used to be inserted into the clamping hole 220, the top end of the bolt 2121 is used as the force receiving part of the manually inserted bolt 2121, and the middle section of the bolt 2121 is provided with a boss 21210, the top surface of the boss 21210 being elastically pressed by the bottom end of the spring 2123.

[0048] The sleeve 2122 is provided with a hollow pipe for extending into the bolt 2121.

[0049] The spring 2123 is installed in a component mounting cavity 21220 in the hollow pipe, and the boss 21210 is located in the component mounting cavity; the top end of the spring 2123 is limited by the upper limiting structure of the component mounting cavity 21220, and the bottom surface of the boss 21210 is limited by the lower limiting structure of the component mounting cavity 21220.

[0050] Optimally, the bracket 213 is divided into a support top 2131, a support side and a support bottom 2133; when the number of the elastic bolt mechanism 212 is at least two, the sleeve 2122 is used as the support side.

[0051] Optimally, the elastic bolt mechanism 212 is vertically arranged.

[0052] Optimally, the support top 2131 is in a plate structure, the support bottom 2133 is in a ring block structure, the first screwing clamping structure 214 is arranged at the periphery of the support bottom 2133, the top surface of the lower cover base component 22 is concavely provided with a ring groove 224, and the second screwing clamping structure 223 is arranged at one side of the inner groove of the ring groove 224.

[0053] Optimally, the annular groove 224 is provided with a limiting groove 2241 on the inner and outer sides of the groove, and the annular groove 224 communicates with the limiting groove 2241; the outer side of the top surface of the lower cover seat component 22 is provided with at least two insertion grooves 2242 for the limiting blocks, and the insertion grooves 2242, the annular groove 224 and the limiting groove 2241 all communicate with each other; the clamping structure formed by the insertion grooves 2242 and the limiting groove 2241 of the lower cover seat component 22 is the second screwing clamping structure 223; the clamping hole 220 is arranged on the bottom surface of the annular groove 224; when the support bottom 2133 is embedded and rotationally installed in the annular groove 224, the limiting blocks are clamped in the limiting groove 2241; the number of the insertion grooves 2242 is not less than the number of the limiting blocks.

[0054] Optimally, the protective grid member 211 is arranged on the outer side of the upper cover body mounting assembly 21.

[0055] Optimally, when the bottom end of the lock bolt 2121 is clamped into the clamping hole 220, the top surface of the lock bolt 2121 is flush with the top surface of the support member 213.

[0056] Optimally, the lower cover seat component 22 is provided with a wire passing hole 221 through which the cable of the GNSS receiver 100 passes; and the lower cover seat component 22 is provided with a receiver mounting and fixing structure 222 for mounting the GNSS receiver 100.

[0057] Optimally, the fixed mounting rack 1 comprises a steel pipe support 11 and a concrete pier 12 for sleeving and fixing the steel pipe support 11.

[0058] The protective device for the GNSS receiver of the embodiment has the following advantages:

[0059] 1. The protective device for the GNSS receiver of the embodiment can be carried by a staff who knows the installation principle and uses a powerful magnet to pull the lock bolt 2121 upward and out of the inside of the clamping hole 220, so as to remove the protection of the GNSS receiver 100, so that the principle is not thought of by the lawbreakers, and the anti-theft function is realized; at the same time, because of the arrangement of the protective grid member 211 (preferably a protective net), the lawbreakers cannot directly touch the surface of the GNSS receiver 100 body, so that the damage to the GNSS receiver 100 is prevented, and the protection function is realized; therefore, the device realizes the protection and anti-theft functions of the GNSS receiver 100 body;

[0060] 2, The protection device of the GNSS receiver of the embodiment can hide the wire for connecting the external power supply and the GNSS receiver 100 in the interior of the iron pipe support 11 through the cooperation between the wire passing hole 221 and the wire outlet groove of the iron pipe support 11, and prevent the wire from being damaged due to being exposed to the external environment for a long time.

[0061] Example 2

[0062] Example 2 is a further optimization of Example 1;

[0063] See Figures 1-5 :

[0064] The embodiment further provides a protection device of the GNSS receiver, which comprises a concrete pier 12, an iron pipe support 11 inserted into the concrete pier 12, a bottom plate fixed to the bottom end of the iron pipe support 11 and embedded into the lower surface of the concrete pier 12, a mounting hole formed in the outer side surface of the bottom plate and penetrating through the upper and lower surfaces, a lower cover base part 22 fixed to the top end of the iron pipe support 11, a receiver mounting and fixing structure 222, i.e. a plug hole, formed in the middle part of the upper surface of the lower cover base part 22, a plug rod movably inserted into the receiver mounting and fixing structure 222, a GNSS receiver 100 fixed to the top end of the plug rod, an annular groove 224 formed in the outer side surface of the upper surface of the lower cover base part 22, a limiting groove 2241 formed in the inner wall of the annular groove 224, the annular groove 224 being communicated with the limiting groove 2241, a plug groove 2242 formed in the outer side surface of the upper surface of the lower cover base part 22, the plug groove 2242 being communicated with the annular groove 224 and the limiting groove 2241, clamping holes 220 formed in the left and right sides of the groove bottom surface of the annular groove 224, a support bottom part 2133 (preferably an annular part structure) rotatably connected to the inner part of the annular groove 224, a first screw clamping structure 214 (preferably a limiting block) fixed to the outer surface of the support bottom part 2133 and slidably connected with the limiting groove 2241, sleeve parts 2122 fixed to the left and right sides of the upper surface of the support bottom part 2133, a support top part 2131 (preferably a top plate) fixed to the top end of the sleeve parts 2122, a protection grid part 211 (preferably a protection net) fixed to the outer side of the inner side surface of the lower cover base part 22 and the outer surface of the support top part 2131, a rubber pad 18 fixed to the lower surface of the support top part 2131 and tightly attached to the top part of the outer surface of the GNSS receiver 100, a lock bolt 2121 movably inserted into the support bottom part 2133 and then movably inserted into the wire passing through hole 221, a limiting rod provided at the bottom end of the lock bolt 2121, a boss 21210 fixed to the top end of the limiting rod, the boss 21210 being slidably connected with the sleeve part 2122, a transmission rod fixed to the upper surface of the boss 21210 and serving as the middle part of the lock bolt 2121, a spring part 2123 sleeved to the bottom part of the outer surface of the transmission rod, the top end and the bottom end of the spring part 2123 being respectively abutted to the inner wall of the top part of the part mounting cavity 21220 and the upper surface of the boss 21210, the top end of the transmission rod penetrating through the upper surface of the sleeve part 2122 and the lower surface of the support top part 2131 (preferably a top plate), iron blocks embedded into the left and right sides of the upper surface of the support top part 2131 and fixed to the top end of the transmission rod, and the like.Through the setting of the iron block, only the staff who knows the installation principle can carry the strong magnet to attract the iron block upward, then pull the limiting rod upward to the inside of the clamping hole 220, and then the protection of the GNSS receiver 100 can be removed, so that the criminal cannot think of the principle, thus realizing the anti-theft function, and because of the setting of the protective grid piece 211, the criminal cannot directly touch the surface of the GNSS receiver 100, so as to prevent the damage to the GNSS receiver 100, and realize the protection function, thus the device realizes the protection and anti-theft function of the GNSS receiver 100.

[0065] Optimally, the utility model discloses in order to realize the function of the electric wire of connecting is accomodated, therefore the upper surface right side of lower cover seat part 22 is provided with one through hole 221 that goes up and down, the top of the right side of iron pipe support 11 is provided with a wire hole, and the wire hole is communicated with the inside of iron pipe support 11, the bottom of the right side of iron pipe support 11 is provided with a wire outlet slot, and the wire outlet slot is communicated with the inside of iron pipe support 11, first the one end of electric wire is passed through through hole 221 upwards, then is connected with GNSS receiver 100, then the other end of electric wire is entered into the inside of iron pipe support 11 through wire hole, and finally is pulled out from wire outlet slot, realizes accomodating electric wire into the inside of iron pipe support 11, realizes the function of the electric wire of connecting is accomodated.

[0066] Through the cooperation between through hole 221, wire hole and wire outlet slot, the electric wire for connecting the power supply between the outside world and GNSS receiver 100 can be hidden in the inside of iron pipe support 11, so as to prevent the damage phenomenon from occurring due to long time in the environment of the outside world.

[0067] Optimally, the utility model discloses in order to realize the connection between the chassis of iron pipe support 11 and ground, therefore sets up several groups of mounting holes, and the staff can drive the fixed pin into the inside of ground through the inside of mounting hole, so as to realize the connection between the chassis and ground, realizes the connection between the chassis and ground.

[0068] Optimally, the utility model discloses in order to improve the practicability of protective grid piece 211, therefore sets up the material of making protective grid piece 211 as stainless steel, and the mesh inner diameter size of protective grid piece 211 is three millimeters, the hardness of stainless steel is higher, and it is not easy to deform and rust and damage, thereby prolonging the service life of protective grid piece 211, and because the mesh inner diameter size of protective grid piece 211 is three millimeters, therefore, the slightly thick stick cannot directly contact the surface of GNSS receiver 100, and the thin stick will be broken when contacting the surface of GNSS receiver 100, thus realizing the effective protection function of GNSS receiver 100, and improving the practicability of protective grid piece 211.

[0069] Optimally, the utility model discloses in order to facilitate staff control first screwing and clamping structure 214 through the slot 2242 into the inside of the limiting groove 2241, therefore set up the outside diameter of first screwing and clamping structure 214 with the inner diameter of the slot 2242 is adapted, the first screwing and clamping structure 214 is convenient for inserting the inside of the slot 2242, facilitated staff control first screwing and clamping structure 214 through the slot 2242 into the inside of the limiting groove 2241.

[0070] Optimally, the utility model discloses in order to prolong the service life of spring piece 2123 (preferably return spring), therefore the manufacturing material of spring piece 2123 is set to silicon manganese spring steel, and the spring piece 2123 made of silicon manganese spring steel has good return effect and is not easy to deform, prolonging the service life of spring piece 2123.

[0071] Optimally, when using the utility model, first, the staff places the iron pipe support 11 base plate at the designated installation position, so that the base plate sits on the ground, then the staff controls the pre-prepared fixing pin to pass through the inside of the base plate mounting hole, finally, the staff drives the pin into the inside of the ground to fix the base plate and the ground, then the staff controls the insertion rod of the GNSS receiver 100 to be inserted into the inside of the insertion hole of the lower cover seat component 22, at the same time, the staff inserts one end of the power cord upward through the wire through hole 221 and connects it with the GNSS receiver 100, then the other end of the power cord is inserted into the inside of the wire hole, so that it passes through the inside of the iron pipe support 11 downward, finally, the other end of the power cord is pulled out through the wire outlet groove of the iron pipe support 11, then it is connected with the external power supply, thus achieving the function of storing the power cord, then the upper cover body installation assembly 21 and the rubber pad are arranged above the lower cover seat component 22, then the position of the first screwing clamping structure 214 is adjusted until the first screwing clamping structure 214 and the insertion slot 2242 are in a vertical state, then the support bottom 2133 and the first screwing clamping structure 214 are respectively inserted into the inside of the annular groove 224 and the insertion slot 2242, at the same time, the first screwing clamping structure 214 passes through the inside of the insertion slot 2242, finally, it is inserted into the inside of the limiting groove 2241, then when the annular support bottom 2133 enters the inside of the annular groove 224, the inner wall of the bottom of the annular groove 224 will extrude the bottom end of the lock bolt 2121, i.e. the limiting rod, into the inside of the support bottom 2133, in this process, the top end of the limiting rod will drive the boss 21210 and the transmission rod to move upward along the inside of the sleeve member 2122, at the same time, the top end of the transmission rod will lift the iron block upward, and the boss 21210 will extrude the spring member 2123 upward, then the support top 2131 is rotated indirectly to drive the support bottom 2133 and the first screwing clamping structure 214 to rotate along the inside of the annular groove 224 and the limiting groove 2241 respectively until they are rotated to the designated position, so that the bottom end of the lock bolt 2121, i.e. the limiting rod, and the clamping hole 220 are in a vertical position, at the same time, the inner wall of the bottom of the annular groove 224 releases the shielding of the bottom end of the lock bolt 2121, at this time, the reaction force generated by the extruded spring member 2123 can drive the boss 21210, the bottom end of the lock bolt 2121 and the transmission rod of the middle segment of the lock bolt 2121 to move downward until the limiting rod is inserted into the clamping hole 220 for limiting, so that the iron block is re-embedded into the recessed position of the support top 2131, thus, the connection between the support bottom 2133 and the lower cover seat component 22 is completed, so that the protective grid member 211 and the support top 2131 can shield and protect the GNSS receiver 100, prevent illegal persons from directly touching the surface of the GNSS receiver 100, and cause damage to the GNSS receiver 100, at the same time, because of the existence of the protective grid member 211 grid, it will not affect the normal signal reception of the GNSS receiver 100,Subsequently, the concrete pier 12 is built outside the iron pipe support 11, and thus the installation of the device is completed, and because of the setting of the iron block, only the staff with the control of the powerful magnet can attract it upward, and then the bottom end of the lock bolt 2121 is moved out of the inside of the clamping hole 220, thus the illegal person who does not understand the installation principle cannot steal the GNSS receiver 100, and the anti-theft function is realized.

[0072] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for the ordinary skilled person in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A shelter for a GNSS receiver for supporting the installation of a GNSS receiver (100), characterized in that The protection device comprises a fixed mounting rack (1) and a protection cover assembly (2) for placing a GNSS receiver (100) mounted on the fixed mounting rack (1); The protection cover assembly (2) comprises an upper cover mounting assembly (21) and a lower cover seat component (22); the lower cover seat component (22) is mounted on the fixed mounting rack (1); the upper cover mounting assembly (21) is provided with a first screwing clamping structure (214), and the lower cover seat component (22) is provided with a second screwing clamping structure (223); when the upper cover mounting assembly (21) and the lower cover seat component (22) are detachably screwing clamped and mounted, the first screwing clamping structure (214) and the second screwing clamping structure (223) are matched with each other to limit the vertical separation of the upper cover mounting assembly (21) and the lower cover seat component (22); The top surface of the lower cover seat component (22) is provided with at least one clamping hole (220); The upper cover mounting assembly (21) comprises: A protection grid component (211) for protecting the GNSS receiver (100) and facilitating the communication of the GNSS receiver (100); At least one elastic lock bolt mechanism (212) for elastically clamping the lock bolt (2121) of the elastic lock bolt mechanism (212) into the clamping hole (220) to limit the rotation separation of the upper cover mounting assembly (21) and the lower cover seat component (22); A support component (213) for mounting the protection grid component (211) and the elastic lock bolt mechanism (212).

2. The safeguard of a GNSS receiver according to claim 1, characterized in that, The elastic lock bolt mechanism (212) comprises the lock bolt (2121), a sleeve component (2122) and a spring component (2123); The bottom end of the lock bolt (2121) is used for clamping into the clamping hole (220), the top end of the lock bolt (2121) serves as the force receiving part of the manually inserted and pulled lock bolt (2121), and the middle segment of the lock bolt (2121) is provided with a boss (21210), and the top surface of the boss (21210) is elastically pressed by the bottom end of the spring component (2123); The sleeve component (2122) is provided with a hollow pipeline for extending into the lock bolt (2121); The spring component (2123) is mounted in a component mounting cavity (21220) in the hollow pipeline, and the boss (21210) is located in the component mounting cavity; the top end of the spring component (2123) is limited by the upper limiting structure of the component mounting cavity (21220), and the bottom surface of the boss (21210) is limited by the lower limiting structure of the component mounting cavity (21220).

3. The safeguard of a GNSS receiver according to claim 2, characterized in that, The support component (213) is divided into a support top portion (2131), a support side portion and a support bottom portion (2133); when the number of the elastic lock bolt mechanisms (212) is at least two, the sleeve component (2122) serves as the support side portion.

4. The safeguard of a GNSS receiver according to claim 3, characterized in that, The elastic lock bolt mechanism (212) is vertically arranged.

5. The safeguard of a GNSS receiver according to claim 4, characterized in that, The support top (2131) is in a plate structure; the support bottom (2133) is in a ring block structure; the first screwing clamping structure (214) is arranged at the periphery of the support bottom (2133), and the top surface of the lower cover seat component (22) is concavely provided with a ring groove (224); and the second screwing clamping structure (223) is arranged at one side of the inner groove of the ring groove (224).

6. The safeguard of a GNSS receiver according to claim 5, characterized in that, The inner and outer sides of the ring groove (224) are provided with limiting grooves (2241), and the ring groove (224) is communicated with the limiting grooves (2241); the outer side surface of the support bottom (2133) is fixedly connected with at least two limiting blocks as the first screwing clamping structure (214); the outer side of the top surface of the lower cover seat component (22) is provided with at least two insertion grooves (2242) for passing through the limiting blocks, and the insertion grooves (2242), the ring groove (224) and the limiting grooves (2241) are all communicated; the clamping structure formed by the insertion grooves (2242) and the limiting grooves (2241) of the lower cover seat component (22) is the second screwing clamping structure (223); the clamping hole (220) is arranged at the inner groove bottom surface of the ring groove (224); when the support bottom (2133) is embedded and rotationally installed in the ring groove (224), the limiting blocks are clamped in the limiting grooves (2241); and the number of the insertion grooves (2242) is not less than the number of the limiting blocks.

7. The safeguard of a GNSS receiver according to any one of claims 1 to 6, characterized in that The protective grid component (211) is arranged at the outer side surface of the upper cover body mounting assembly (21).

8. The safeguard of a GNSS receiver according to any one of claims 1 to 6, characterized in that When the bottom end of the lock bolt (2121) is clamped into the clamping hole (220), the top surface of the lock bolt (2121) is flush with the top surface of the bracket component (213).

9. The safeguard of a GNSS receiver according to any one of claims 1-6, characterized in that, The lower cover seat component (22) is provided with a wire passing through hole (221) through which a cable of the GNSS receiver (100) passes; and the lower cover seat component (22) is provided with a receiver mounting fixing structure (222) for mounting the GNSS receiver (100).

10. The safeguard of a GNSS receiver according to any one of claims 1-6, characterized in that, The fixed mounting frame (1) comprises an iron pipe bracket (11) and a concrete pier (12) for sleeving and fixing the iron pipe bracket (11).

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