CN216850567U

CN216850567U - Blind-mate connecting mechanism for T/R assembly test

Info

Publication number: CN216850567U
Application number: CN202123446098.8U
Authority: CN
Inventors: 包晓军; 刘远曦; 李琳; 徐挚仁; 何柳; 陈勇杰
Original assignee: Guangdong Narui Radar Technology Co ltd
Current assignee: Guangdong Narui Radar Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-28
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a T/R assembly test blind-mate connection mechanism, wherein a fixed block is connected with a floating block through a guide assembly, the floating block floats above the fixed block, and the floating block is provided with mounting holes in all areas corresponding to avoidance holes; the number of the guide pieces, the adapters and the avoidance holes is equal, the appearance size of the cross section of each guide piece is smaller than that of the cross section of each installation hole, the guide pieces penetrate through the installation holes, each guide piece is provided with a jack into which the radio frequency signal testing interface is inserted, and the hole diameter of each jack is large at the top and small at the bottom; the external dimension of the cross section of the adapter is smaller than that of the cross section of the avoiding hole, the adapter penetrates through the avoiding hole, the upper end of the adapter is connected with a connector, and the connector penetrates through the jack and can be abutted to the radio frequency signal testing interface. The floating block and the guide piece can be lifted, and the guide piece, the adapter and the connector can move in the horizontal plane direction, so that the T/R assembly can be conveniently and quickly connected with the T/R assembly testing blind-mate connecting mechanism.

Description

Blind-mate connecting mechanism for T/R assembly test

Technical Field

The utility model relates to a radar technical field, in particular to blind-mate connection mechanism for testing of T/R assembly.

Background

In the development and production processes of the active phased array radar, the automatic T/R component testing technology is one of key technologies influencing product development, production progress and product quality.

In the T/R component automatic test system, generally adopt the manual way to connect T/R component and tester one by one with the radio frequency connector of the cable (coaxial connector), because each T/R component tested has more than two radio frequency signal test interfaces, the workload of T/R component and tester connection is large, the radio frequency connector of the cable and radio frequency signal test interface are difficult to counterpoint, the connection process is long-lasting, the inefficiency; and the radio frequency connector with the cable is frequently plugged and pulled, so that the radio frequency connector with the cable is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a T/R subassembly test blind mate coupling mechanism can conveniently test interface electric connection with radio frequency signal.

According to the T/R assembly test blind-mate connection mechanism provided by the embodiment of the utility model, the T/R assembly test blind-mate connection mechanism comprises a fixed block, a floating block, a guide piece and an adapter, wherein the guide assemblies are arranged at the left end and the right end of the fixed block, and a plurality of avoidance holes are arranged in the middle of the fixed block; the floating block is connected with the two guide assemblies, floats above the fixed block, is provided with mounting holes in all areas corresponding to the avoidance holes and is provided with a cover plate; the number of the guide pieces, the number of the adapters and the number of the avoidance holes are equal, the external dimension of the cross section of each guide piece is smaller than that of the cross section of the installation hole, the guide pieces penetrate through the installation holes, the cover plate can abut against the upper surface of each guide piece, each guide piece is provided with a jack into which a radio frequency signal test interface is inserted, and the hole diameter of each jack is large at the top and small at the bottom; the external dimension of adapter cross section is comparatively the external dimension of dodging the hole cross section is little, the adapter wears to locate dodge the hole, all the upper and lower both ends of adapter are connected with connector and tape cable radio frequency connector respectively, just the connector with tape cable radio frequency connector electric connection, the connector wears to locate the jack can with radio frequency signal test interface butt, tape cable radio frequency connector's cable passes through it extends to dodge the hole outside the fixed block.

The method has the following beneficial effects: the floating block and the guide piece can be lifted, the guide piece, the adapter, the connector and the radio frequency connector with the cable can move in a small stroke in the horizontal plane direction, so that the T/R assembly and the T/R assembly testing blind-mate connecting mechanism can be conveniently and quickly connected, the adapter and the avoiding holes are all a plurality of in number, the requirement of the T/R assembly of multiple radio frequency signal testing interfaces is met, and all radio frequency signal testing interfaces on a single T/R assembly can be synchronously electrically connected with the connector. The T/R assembly is electrically connected with the testing instrument through the T/R assembly testing blind-mate connecting mechanism, so that the T/R assembly testing efficiency is improved, and meanwhile, the T/R assembly testing efficiency is synchronously improved.

According to some embodiments of the utility model, dodge the hole the mounting hole the guide the adapter the connector with the quantity of taking cable radio frequency connector is two.

According to some embodiments of the utility model, be equipped with the boss on the upper surface of guide, the boss exposes the top of apron, the last port of jack is seted up in the upper surface of boss.

According to some embodiments of the utility model, the adapter is cover tube-like, the connector is worn to locate the upper end of the centre bore of adapter, the lower surface of connector sets up threaded hole, the lateral surface of taking cable radio frequency connector top end be equipped with the interior screw-thread fit's of screw hole external screw thread, the connector is in be equipped with electrically conductive piece on the diapire of screw hole, electrically conductive piece can insert take cable radio frequency connector and with cable electric connection.

According to the utility model discloses a some embodiments, be connected with the otic placode on the band cable radio frequency connector, the fixed block is in keep away the hole under shed region and be equipped with the spacing groove, the horizontal width of otic placode is less than the horizontal width of spacing groove, the otic placode stretches into the spacing groove, be connected with the dog on the fixed block, the dog can support the lower surface of otic placode.

According to some embodiments of the invention, the guide assembly comprises a guide bar and a linear bearing which are mutually matched, the guide bar and one of the linear bearing are connected with the fixed block, and the other is connected with the floating block.

According to some embodiments of the utility model, be equipped with first through-hole on the slider, linear bearing wears to locate first through-hole, the upper surface of slider is connected with the clamp plate, be equipped with the second through-hole on the clamp plate, the lower surface of clamp plate is supported linear bearing's upper surface, the upper end of guide bar is passed linear bearing, just the up end of guide bar is connected with the fastener, the fastener can pass the second through-hole supports linear bearing's upper surface.

According to the utility model discloses a some embodiments, the counter bore has been seted up to the lower surface of fixed block, the upper surface of fixed block seted up with the third through-hole of counter bore intercommunication, the counter bore with the third through-hole is coaxial just the aperture of counter bore with the aperture of third through-hole is big, the lower extreme of guide bar is equipped with the shaft shoulder, the shaft shoulder supports the diapire of counter bore.

According to the utility model discloses a some embodiments, the lower surface of fixed block is connected with the second and supports the board, the second supports the board and supports the lower terminal surface of guide bar.

According to some embodiments of the utility model, still include the elastic component, the both ends of elastic component respectively with the fixed block with the slider is connected or the butt.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view of a blind-mate connection mechanism for testing a T/R assembly according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a blind-mate connection mechanism for testing a T/R assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a blind-mate connection mechanism for testing a T/R module according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the adaptor, the connector and the cabled radio frequency connector of the blind-mate connection mechanism for testing the T/R assembly according to an embodiment of the present invention.

Reference numerals:

the fixing block 100, the avoiding hole 110, the limiting groove 120, the stopper 130, the second abutting plate 140, the first abutting plate 150, the third through hole 160, the floating block 200, the mounting hole 210, the cover plate 220, the first through hole 230, the pressing plate 240, the second through hole 241, the guide member 300, the insertion hole 310, the boss 320, the adapter 400, the connector 410, the threaded hole 411, the cable-equipped radio frequency connector 420, the annular groove 421, the lug plate 422, the connector 430, the elastic member 500, the guide rod 600, the fastener 610, the shaft shoulder 620 and the linear bearing 700.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the utility model discloses a T/R assembly test blind-mate connection mechanism, which comprises a fixed block 100, a floating block 200, a guide 300 and an adapter 400, wherein the left and right ends of the fixed block 100 are provided with guide assemblies, and the middle part of the fixed block 100 is provided with a plurality of avoidance holes 110; the floating block 200 is connected with the two guide assemblies, the floating block 200 floats above the fixed block 100, mounting holes 210 are formed in all regions of the floating block 200 corresponding to the avoidance holes 110, and a cover plate 220 is arranged on the floating block 200; the number of the guide members 300, the adapters 400 and the avoidance holes 110 is equal, the external dimension of the cross section of the guide member 300 is smaller than that of the cross section of the mounting hole 210, the guide member 300 penetrates through the mounting hole 210, the cover plate 220 can abut against the upper surface of the guide member 300, the guide member 300 is provided with a jack 310 for inserting a radio frequency signal test interface, and the aperture of the jack 310 is large in size; the outer dimension of the cross section of the adaptor 400 is smaller than that of the cross section of the avoiding hole 110, the adaptor 400 penetrates through the avoiding hole 110, the upper end and the lower end of all the adaptors 400 are respectively connected with the connector 410 and the radio frequency connector 420 with the cable, the connector 410 is electrically connected with the radio frequency connector 420 with the cable, the connector 410 penetrates through the jack 310 and can be abutted to the radio frequency signal testing interface, and the cable of the radio frequency connector 420 with the cable extends out of the fixing block 100 through the avoiding hole 110.

The T/R assembly is electrically connected with the testing instrument through the radio frequency signal testing interface, the connecting head 410 and the radio frequency connector 420 with the cable, when the T/R assembly or the radio frequency signal testing interface abuts against the floating block 200, the floating block 200 moves downwards, because the floating block 200 floats above the fixed block 100, the cover plate 220 can abut against the upper surface of the guide member 300, the floating block 200 synchronously drives the guide member 300 to move downwards, or when the T/R assembly or the radio frequency signal testing interface abuts against the guide member 300 on the area near the jack 310, the guide member 300 also descends.

When the rf signal testing interface abuts on the area of the guide 300 near the jack 310, because the external dimension of the cross section of the guide 300 is smaller than the external dimension of the cross section of the mounting hole 210, the external dimension of the cross section of the adaptor 400 is smaller than the external dimension of the cross section of the avoiding hole 110, and the aperture of the jack 310 is large at the top and small at the bottom, the guide 300, the adaptor 400, the connector 410, and the cabled rf connector 420 can move in a small stroke in the horizontal direction, so that the jack 310 is coaxial with the rf signal testing interface, which facilitates the insertion of the rf signal testing interface on the connector 410, i.e., the blind insertion is realized.

Because the floating block 200 and the guide 300 can be lifted, the guide 300, the adapter 400, the connector 410 and the radio frequency connector 420 with cable can move in a small stroke in the horizontal plane direction, so the T/R assembly can be conveniently and quickly connected with the T/R assembly test blind-mate connection mechanism, the number of the guide 300, the adapter 400 and the avoiding hole 110 is a plurality, the requirement of the T/R assembly with a plurality of radio frequency signal test interfaces is met, and all the radio frequency signal test interfaces on a single T/R assembly can be synchronously and electrically connected with the connector 410. The T/R assembly is electrically connected with the testing instrument through the T/R assembly testing blind-mate connecting mechanism, so that the T/R assembly testing efficiency is improved, and meanwhile, the T/R assembly testing efficiency is synchronously improved.

The left end and the right end of the fixing block 100 are both provided with guide components, that is, the fixing block 100 and the floating block 200 are connected together through the two guide components, so that the fixing block 100 and the floating block 200 can only move relatively, the fixing block 100 and the floating block 200 are prevented from offsetting with each other, and further, the avoidance hole 110 and the mounting hole 210 and the guide 300 and the adapter 400 are prevented from offsetting with each other.

It is understood that the number of the escape holes 110, the mounting holes 210, the guide 300, the adaptor 400, the connector 410, and the cabled rf connector 420 are two. An avoidance hole 110, a mounting hole 210, a guide 300, an adapter 400, a connector 410 and a cabled radio frequency connector 420 are mutually matched to form a set of mechanism, and the set of mechanism can be matched with a radio frequency signal testing interface; two avoidance holes 110, two mounting holes 210, two guide pieces 300, two adapters 400, two connectors 410 and two cabled radio frequency connectors 420 can form two sets of mechanisms, and the two sets of mechanisms can meet the requirements of a T/R assembly with a double radio frequency signal testing interface. The two sets of mechanisms and the two guide assemblies are distributed in a manner that one guide assembly, one set of mechanism, the other set of mechanism and the other guide assembly are sequentially arranged from left to right. The upper end of the jack 310 is in an inverted circular truncated cone shape, that is, the side wall of the upper opening of the jack 310 is provided with a slope structure, and the jack 310 has the function of a middle radio frequency signal conducting test interface. The guide 300 is fitted over the adaptor 400 and the connector 410. The guide 300 is an insulating member.

It can be understood that the upper surface of the guide 300 is provided with a boss 320, the boss 320 is exposed above the cover plate 220, and the upper port of the insertion hole 310 is opened on the upper surface of the boss 320, so that when the T/R assembly is connected with the blind-mate connection mechanism, the T/R assembly firstly abuts against the boss 320, that is, the radio frequency signal test interface can firstly abut against the region of the guide 300 close to the insertion hole 310, and the radio frequency signal test interface slides into the insertion hole 310 and is inserted into the connection head 410, thereby avoiding the radio frequency signal test interface from accidentally interfering with the upper surface of the slider 200 or the guide 300. The cover plate 220 may be coupled to the slider 200 by screws, and the cover plate 220 may prevent the upper surface of the guide 300 from being higher than the slider 200.

Referring to fig. 4, the adaptor 400 is in a sleeve shape, that is, the adaptor 400 has a central hole, the connector 410 is inserted into the upper end of the central hole, the lower surface of the connector 410 is provided with a threaded hole 411, the outer side surface of the upper end of the rf connector 420 with the cable is provided with an external thread matched with the internal thread of the threaded hole 411, and the connector 410 is connected with the rf connector 420 with the cable in a threaded connection manner. The bottom wall of the threaded hole 411 of the connecting head 410 is provided with a conductive member, the conductive member can be inserted into the radio frequency connector 420 with the cable and electrically connected with the cable, and the conductive member electrically connects the connecting head 410 with the cable. The conductive piece is a copper column.

The side wall of the lower end of the adapter 400 is connected with a connecting piece 430 by screw thread, the upper end of the radio frequency connector 420 with cable is provided with a horizontal annular groove 421, and the connecting piece 430 extends into the annular groove 421 and can be abutted against the groove wall of the annular groove 421. When the connection member 430 extends into the annular groove 421, the cabled rf connector 420 is prevented from falling off from the adaptor 400, the connection member 430 connects the adaptor 400 and the cabled rf connector 420 together, and the connection member 430 is detached from the adaptor 400, so that the adaptor 400 and the cabled rf connector 420 can be detached, and the connection head 410, the adaptor 400 and the cabled rf connector 420 can be conveniently overhauled and replaced.

Specifically, the connection member 430 is a screw. The connector 410 is an SMA/SMP adapter and the cabled rf connector 420 is an SMA cabled rf coaxial connector.

It can be understood that the radio frequency connector 420 with cable is connected with an ear plate 422, the fixing block 100 is provided with a limiting groove 120 in the area of the lower opening of the avoiding hole 110, the horizontal width of the ear plate 422 is smaller than the horizontal width of the limiting groove 120, the ear plate 422 extends into the limiting groove 120, the fixing block 100 is connected with a stop 130, and the stop 130 can abut against the lower surface of the ear plate 422. The stop 130 stops the ear plate 422 in the limiting groove 120, and prevents the ear plate 422 and the cabled radio frequency connector 420 from moving downwards, so that the cabled radio frequency connector 420 is prevented from falling off the fixing block 100. Meanwhile, because the horizontal width of the ear plate 422 is smaller than that of the limiting groove 120, and a slight height difference exists between the height of the ear plate 422 and the height of the limiting groove 120, the ear plate 422 and the radio frequency connector 420 with the cable can move in a certain stroke in the horizontal direction.

Specifically, the side of the stopper 130 is provided with a clearance groove, the clearance groove extends in the up-down direction, the connection of the radio frequency connector 420 with the cable passes through the clearance groove, and the radio frequency connector 420 with the cable is arranged in the clearance groove. The fixed block 100 is connected with a first abutting plate 150, the upper surface of the first abutting plate 150 abuts against the lower surface of the stopper 130, and the stopper 130 abuts against the fixed block 100 through the first abutting plate 150. The first abutting plate 150 may be connected to the fixing block 100 by a screw.

It will be appreciated that the guide assembly includes a guide bar 600 and a linear bearing 700 that are engaged with each other, one of the guide bar 600 and the linear bearing 700 being coupled to the fixed block 100 and the other being coupled to the slider 200. The linear bearing 700 slides on the guide bar 600 along the length direction of the guide bar 600, ensuring that the slider 200 performs a lifting movement above the fixed block 100.

The slider 200 is provided with a first through hole 230, the linear bearing 700 penetrates through the first through hole 230, the upper surface of the slider 200 is connected with a pressing plate 240, the pressing plate 240 is provided with a second through hole 241, and the lower surface of the pressing plate 240 abuts against the upper surface of the linear bearing 700, so that after the upper surface of the linear bearing 700 abuts against the pressing plate 240, the linear bearing 700, the pressing plate 240 and the slider 200 ascend together. The clamping plate 240 may be attached to the slider 200 by screws.

The upper end of the guide bar 600 passes through the linear bearing 700, and the upper end surface of the guide bar 600 is connected with a fastener 610, the fastener 610 can pass through the second through hole 241 and abut against the upper surface of the linear bearing 700, and the fastener 610 can prevent the linear bearing 700 from falling off the upper end of the guide bar 600. The pressing plate 240 and the fastening member 610 are removed to drop the linear bearing 700 from the upper end of the guide bar 600. The fasteners 610 are bolts. Specifically, the first through hole 230 is a stepped hole with a large top and a small bottom, and the lower end surface of the linear bearing 700 abuts against the stepped surface in the first through hole 230, so as to limit the linear bearing 700 from descending relative to the slider 200.

The counter bore has been seted up to the lower surface of fixed block 100, and the third through hole 160 with the counter bore intercommunication is seted up to the upper surface of fixed block 100, and the counter bore is coaxial with third through hole 160 and the aperture of counter bore is big with the aperture of third through hole 160, and the lower extreme of guide bar 600 is equipped with shoulder 620, and shoulder 620 supports the diapire at the counter bore, and the counter bore has restricted shifting up of shoulder 620 for shifting up of relative fixed block 100 of guide bar 600 receives the restriction.

Further, the lower surface of the fixing block 100 is connected with a second abutting plate 140, the second abutting plate 140 abuts against the lower end surface of the guide rod 600, and the second abutting plate 140 limits the guide rod 600 to move upwards relative to the fixing block 100, so that the guide rod 600 is fixed on the fixing block 100. The second abutting plate 140 may be connected to the fixing block 100 by a screw.

When the guide rod 600 is installed, the upper end of the guide rod 600 sequentially passes through the counter bore, the third through hole 160, the first through hole 230 and the linear bearing 700, and then the fastener 610 and the second abutting plate 140 are locked, and then the pressing plate 240 is locked.

It can be understood that the T/R assembly test blind-mate connection mechanism further includes an elastic member 500, two ends of the elastic member 500 are respectively connected or abutted with the fixed block 100 and the floating block 200, and the floating block 200 floats above the fixed block 100 under the action of the elastic member 500.

Specifically, the elastic member 500 is a spring, the elastic member 500 is sleeved on the guide rod 600, and two ends of the elastic member 500 respectively abut against the fixed block 100 and the floating block 200.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

T/R subassembly test blind mate coupling mechanism, its characterized in that includes:

the guide assemblies are arranged at the left end and the right end of the fixed block, and the middle of the fixed block is provided with a plurality of avoidance holes;

the floating block is connected with the two guide assemblies and floats above the fixed block, mounting holes are formed in all areas of the floating block corresponding to the avoidance holes, and a cover plate is arranged on the floating block;

the guide piece is equal to the avoidance holes in number, the external dimension of the cross section of the guide piece is smaller than that of the cross section of the mounting hole, the guide piece penetrates through the mounting hole, the cover plate can abut against the upper surface of the guide piece, the guide piece is provided with a jack for inserting a radio frequency signal testing interface, and the aperture of the jack is large in upper portion and small in lower portion;

the adapter, the adapter with the quantity of guide equals, the external dimension of adapter cross section is compared the external dimension of dodging the hole cross section is little, the adapter wears to locate dodge the hole, all the upper and lower both ends of adapter are connected with the connector respectively and take cable radio frequency connector, just the connector with take cable radio frequency connector to connect, the connector is worn to locate the jack and can with radio frequency signal test interface butt, take cable radio frequency connector's cable passes through dodge the hole and extend outside the fixed block.
2. The T/R assembly testing blind-mate connection of claim 1, wherein: the number of the avoiding holes, the number of the mounting holes, the number of the guide pieces, the number of the adapters, the number of the connectors and the number of the radio frequency connectors with the cables are two.
3. The T/R assembly testing blind-mate connection of claim 1, wherein: the upper surface of the guide piece is provided with a boss, the boss is exposed above the cover plate, and the upper port of the jack is arranged on the upper surface of the boss.
4. The T/R assembly testing blind-mate connection of claim 1, wherein: the adapter is cover tube-shaped, the connector wears to locate the upper end of the centre bore of adapter, the lower surface of connector sets up threaded hole, the lateral surface of taking cable radio frequency connector upper end be equipped with the interior screw-thread fit's of screw hole external screw thread, the connector is in be equipped with electrically conductive piece on the diapire of screw hole, electrically conductive piece can insert take cable radio frequency connector and with cable electric connection.
5. The T/R assembly test blind mate connection of claim 1 or 4, wherein: the cable radio frequency connector is characterized in that the lug plate is connected to the cable radio frequency connector, the fixing block is arranged in the region of the lower opening of the avoidance hole and provided with a limiting groove, the horizontal width of the lug plate is smaller than that of the limiting groove, the lug plate stretches into the limiting groove, a stop block is connected to the fixing block, and the stop block can be supported to the lower surface of the lug plate.
6. The T/R assembly testing blind-mate connection of claim 1, wherein: the guide assembly comprises a guide rod and a linear bearing which are matched with each other, one of the guide rod and the linear bearing is connected with the fixed block, and the other of the guide rod and the linear bearing is connected with the floating block.
7. The T/R assembly testing blind-mate connection of claim 6, wherein: the improved bearing structure is characterized in that a first through hole is formed in the floating block, the linear bearing penetrates through the first through hole, a pressing plate is connected to the upper surface of the floating block, a second through hole is formed in the pressing plate, the lower surface of the pressing plate abuts against the upper surface of the linear bearing, the upper end of the guide rod penetrates through the linear bearing, a fastener is connected to the upper end surface of the guide rod, and the fastener can penetrate through the second through hole and abut against the upper surface of the linear bearing.
8. The T/R assembly testing blind-mate connection of claim 7, wherein: the counter bore has been seted up to the lower surface of fixed block, the upper surface of fixed block seted up with the third through-hole of counter bore intercommunication, the counter bore with the third through-hole is coaxial just the aperture of counter bore with the aperture of third through-hole is big, the lower extreme of guide bar is equipped with the shaft shoulder, the shaft shoulder supports the diapire of counter bore.
9. The T/R assembly test blind mate connection of claim 8, wherein: the lower surface of the fixed block is connected with a second abutting plate, and the second abutting plate abuts against the lower end face of the guide rod.
10. The T/R assembly testing blind-mate connection of claim 1, wherein: the slider further comprises an elastic piece, and two ends of the elastic piece are connected or abutted with the fixed block and the slider respectively.