CN113374940B

CN113374940B - From locking-type tuber pipe gallows

Info

Publication number: CN113374940B
Application number: CN202110800775.7A
Authority: CN
Inventors: 潘晓杰; 崔晓均; 杨晓; 周建平
Original assignee: Jiangsu Tianli Construction Group Co ltd
Current assignee: Jiangsu Tianli Construction Group Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-06-28
Anticipated expiration: 2041-07-15
Also published as: CN113374940A

Abstract

The utility model relates to a from locking-type tuber pipe gallows relates to construction's technical field, including a plurality of first jibs, second jib, first jib and second jib all with floor fixed connection, the kidney slot has been seted up to the one end that the floor was kept away from to first jib, the kidney slot is equipped with the pivot, it is connected with the die-pin that is used for supporting the tuber pipe body to rotate in the pivot, fixedly connected with baffle on the floor, the one end butt of pivot is kept away from to baffle and die-pin, be equipped with the adjusting part who is used for adjusting the pivot height on the first jib. The adjusting part drives the rotating shaft to slide downwards along the length direction of the kidney-shaped groove, so that one end of the supporting rod, away from the rotating shaft, is separated from the baffle, the supporting rod vertically droops after rotating 180 degrees around the rotating shaft under the action of gravity, the supporting rod is separated from the baffle without manual climbing, the operation is convenient, and the potential safety hazard is reduced.

Description

From locking-type tuber pipe gallows

Technical Field

The application relates to the technical field of building construction, in particular to a self-locking air pipe hanger.

Background

At present, with the continuous improvement of living standard of people, the system function of a large project is gradually improved, the types and the number of pipelines of electromechanical equipment are increased, and the size and the weight of a wind system pipeline are generally larger. In the underground garage work progress, in order not to influence the normal line of going of vehicle, consequently the underground garage requires highly to the headroom, so when the installation wind system pipeline, need carry out independent design to the tuber pipe gallows to satisfy the requirement.

Chinese patent No. CN106764048B discloses a method for mounting an air duct by using a self-locking air duct hanger, which comprises the steps of: the air pipe hanger comprises a first hanger rod, a second hanger rod and a cross arm; the upper end of the first suspender is connected with the first floor fixing seat, and the lower end of the first suspender is provided with a first through hole; the upper end of the second suspender is connected with the second floor fixing seat, the lower end of the second suspender is hinged with one end of the cross arm, and the cross arm can rotate 270 degrees around the second suspender; the other end of the cross arm is provided with an inserting hole and a threaded connecting hole, and a T-shaped self-locking component is connected to the threaded connecting hole in a threaded mode.

When the air pipe is installed, firstly, a hydraulic jacking device is adopted to jack the air pipe to a preset position; and pulling out the T-shaped self-locking component, enabling the cross arm to rotate 270 degrees around the second suspender, inserting the lower end of the first suspender into the insertion hole on the cross arm, aligning the first through hole of the first suspender with the threaded connection hole on the cross arm, fixing the first suspender and the cross arm through the T-shaped self-locking component, and completing the installation of the air pipe.

In view of the above-mentioned related technologies, the inventor thinks that when pulling out the T-shaped self-locking member, the T-shaped self-locking member is located above the air duct, and the constructor needs to climb up to pull out the T-shaped self-locking member, which causes a problem of a large safety risk.

Disclosure of Invention

Need climb the height and extract T type auto-lock component in order to improve constructor, have the problem that the safety risk is big, this application provides a from locking-type tuber pipe gallows.

The application provides a from locking-type tuber pipe gallows adopts following technical scheme:

the utility model provides a from locking-type tuber pipe gallows, includes a plurality of first jibs, second jib, first jib and second jib all with floor fixed connection, the one end that the floor was kept away from to first jib has seted up the kidney slot, the kidney slot is equipped with the pivot, it is connected with the die-pin that is used for supporting the tuber pipe body to rotate in the pivot, fixedly connected with baffle on the floor, the one end butt of pivot is kept away from with the die-pin to the baffle, be equipped with the adjusting part who is used for adjusting the pivot height on the first jib.

Through adopting above-mentioned technical scheme, the length direction gliding of adjustment assembly drive pivot along the kidney slot for the one end that the pivot was kept away from to the die-pin breaks away from with the baffle, and the die-pin rotates 180 back vertical flagging around the pivot under the action of gravity, need not artifical climbing and breaks away from the die-pin from the baffle, convenient operation reduces the potential safety hazard.

Preferably, the adjusting assembly comprises a sliding plate in sliding connection with the first suspender, and one end of the rotating shaft, which penetrates through the first suspender, abuts against the sliding plate.

Through adopting above-mentioned technical scheme, slide and first jib sliding connection, when slide and pivot break away from the contact, the pivot slides along the length direction in kidney slot under self action of gravity, and then makes die-pin and baffle break away from, convenient operation improves work efficiency.

Preferably, the end of the sliding plate far away from the rotating shaft is provided with a bayonet, and the air pipe body is provided with a clamping block used for being clamped with the bayonet.

Through adopting above-mentioned technical scheme, bayonet socket and fixture block joint improve the fixed stability of slider and tuber pipe body, alleviate the support burden of die-pin, better improve the fixed stability of slider and tuber pipe body, and then improve the holding power of first jib to the tuber pipe body.

Preferably, the adjusting assembly comprises a sliding block connected with the first suspender in a sliding manner, the sliding block is arranged along the length direction of the kidney-shaped groove, a rack is fixedly connected to the sliding block, and a gear is connected to the first suspender in a rotating manner.

Through adopting above-mentioned technical scheme, gear revolve drives the rack and slides along the length direction in kidney slot, and the rack drives the slider and slides along vertical direction, and then the drive pivot slides along the length direction in kidney slot for the one end that the pivot was kept away from to the die-pin breaks away from with the baffle, reduces the risk that the constructor climbed.

Preferably, it is connected with drive gear pivoted and rotates the wheel to rotate on the first jib, it is equipped with a plurality of location breachs to rotate to take turns to, it has the gag lever post to articulate on the first jib, gag lever post and location breach joint.

Through adopting above-mentioned technical scheme, the gag lever post prevents to rotate the wheel rotation with location breach joint, and then prevents the gear revolve, is convenient for fix the position after the slip of countershaft, improves the stationary stability of die-pin.

Preferably, the end of the second suspender, which is far away from the floor, is provided with a limit pin, and the limit pin is inserted into the end, which is far away from the rotating shaft, of the support rod.

Through adopting above-mentioned technical scheme, the spacer pin is fixed die-pin and second jib for first jib, die-pin, second jib and floor form a closed loop, and the die-pin holds up the tuber pipe body, reduces the risk that the tuber pipe body drops from the die-pin.

Preferably, the first suspension rod comprises a fixed rod and a sliding rod connected with the fixed rod in a sliding manner, and the fixed rod is provided with a driving assembly for driving the sliding rod to slide.

Through adopting above-mentioned technical scheme, the drive assembly drive slide bar slides along the length direction of fixed pole, and then adjusts the length of first hanging rod, improves the installation horizontality of tuber pipe body.

Preferably, the drive assembly includes the regulation end cover of being connected with the rotation of slide bar, adjust end cover and dead lever threaded connection, be equipped with the guide block on the dead lever, be equipped with on the slide bar and be used for supplying the gliding guide way of guide block.

Through adopting above-mentioned technical scheme, adjust end cover dead lever threaded connection, the drive slide bar slides along the length direction of dead lever, and the guide block is connected with the guide way cooperation, improves slide bar's slip stationarity, and convenient operation improves the efficiency of construction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjusting assembly drives the rotating shaft to slide downwards along the length direction of the kidney-shaped groove, so that one end, away from the rotating shaft, of the support rod is separated from the baffle, the support rod vertically droops after rotating 180 degrees around the rotating shaft under the action of gravity, the support rod is not required to be separated from the baffle by manual climbing, the operation is convenient, and potential safety hazards are reduced;

2. the sliding plate is connected with the first hanging rod in a sliding mode, when the sliding plate is separated from contact with the rotating shaft, the rotating shaft slides along the length direction of the kidney-shaped groove under the action of self gravity, so that the supporting rod is separated from the baffle, the operation is convenient, and the working efficiency is improved;

3. the rack is driven by gear rotation to slide along the length direction of the kidney-shaped groove, the rack drives the sliding block to slide along the vertical direction, and then the rotating shaft is driven to slide along the length direction of the kidney-shaped groove, so that one end, away from the rotating shaft, of the supporting rod is separated from the baffle, and the risk that constructors climb up is reduced.

Drawings

Fig. 1 is a schematic structural view for embodying the whole in embodiment 1 of the present application.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a sectional view for embodying a drive assembly in embodiment 1 of the present application.

Fig. 5 is a partial view for embodying an adjustment assembly in embodiment 2 of the present application.

Description of reference numerals: 1. a first boom; 11. fixing the rod; 12. a slide bar; 121. a guide groove; 122. a guide block; 123. a flange; 13. a drive assembly; 131. adjusting the end cover; 1311. a saddle; 1312. trepanning; 2. a second boom; 21. a spacing pin; 211. a pin handle; 212. a pin hole; 213. a tension spring; 22. a sliding hole; 3. a floor slab; 31. a baffle plate; 4. a kidney-shaped groove; 5. a rotating shaft; 6. an air duct body; 7. a support rod; 71. a first straight rod; 72. a second straight rod; 8. an adjustment assembly; 81. a slide plate; 811. a bayonet; 812. a clamping block; 813. locking the bolt; 814. a clamping and connecting plate; 815. a fixing plate; 82. a slider; 83. a gear; 84. a rack; 85. a drive shaft; 86. a rotating wheel; 861. positioning the notch; 862. a limiting rod; 87. an adjusting plate; 871. a vertical plate; 8711. a dovetail block; 8712. a dovetail groove; 8713. a sliding groove; 872. a horizontal plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Example 1:

the embodiment of the application discloses from locking-type tuber pipe gallows. Referring to fig. 1 and 2, the self-locking air duct hanger comprises a plurality of first hanger rods 1 and a plurality of second hanger rods 2, wherein the first hanger rods 1 and the second hanger rods 2 are vertically arranged and are parallel to each other. The ends of the first suspender 1 and the second suspender 2 far away from the ground are fixed with the floor slab 3. One end of the first suspender 1 far away from the floor 3 is provided with a kidney-shaped groove 4, and the kidney-shaped groove 4 is arranged along the length direction of the first suspender 1. The rotating shaft 5 is arranged in the kidney-shaped groove 4 in a penetrating mode, the supporting rod 7 is arranged on the rotating shaft 5 in a rotating mode, the supporting rod 7 is used for supporting the air pipe body 6, and the risk that the air pipe body 6 falls off is reduced. Install baffle 31 on floor 3, the one end side that pivot 5 was kept away from to die-pin 7 is with baffle 31 butt, installs adjusting part 8 on the first jib 1, and adjusting part 8 is used for adjusting the height of pivot 5.

When the air pipe body is installed, the adjusting component 8 drives the rotating shaft 5 to slide towards the ground direction in the kidney-shaped groove 4, so that the height of the rotating shaft 5 is reduced, the supporting rod 7 is driven to be separated from the baffle 31, the supporting rod 7 naturally droops after rotating 180 degrees under the action of self gravity, the abutting state of the baffle 31 and the supporting rod 7 is relieved without climbing of constructors, and the safety risk of the constructors is reduced.

Referring to fig. 2 and 3, one end of the first suspender 1, which is far away from the ground, is fixedly connected with the floor slab 3 through a bolt, the adjusting assembly 8 comprises an adjusting plate 87 which is fixedly welded with one end of the first suspender 1, which is far away from the floor slab 3, the adjusting plate 87 comprises two vertical plates 871 which are arranged in parallel, the two vertical plates 871 are arranged perpendicular to the ground, the same horizontal plate 872 is welded between the two vertical plates 871, and the horizontal plate 872 and the vertical plates 871 form an inverted 'U' shape. The kidney-shaped groove 4 is arranged on the vertical plate 871 and is arranged along the vertical direction of the vertical plate 871. The outer side wall of the vertical plate 871 is provided with a sliding plate 81 in a sliding manner, the vertical plate 871 is provided with a dovetail groove 8712 in the horizontal direction, one side of the sliding plate 81 facing the vertical plate 871 is welded with a dovetail block 8711, and the dovetail block 8711 is connected with the dovetail groove 8712 in a sliding manner.

Referring to fig. 2, the supporting rod 7 includes a first straight rod 71, and one end of the first straight rod 71 away from the rotating shaft 5 in the vertical state abuts against the baffle 31. A second straight rod 72 is integrally formed at one end of the first straight rod 71, which is far away from the baffle plate 31, the second straight rod 72 is vertically arranged on the first straight rod 71, and one end of the second straight rod 72, which is far away from the first straight rod 71, is rotatably connected with the rotating shaft 5. The length of the second straight rod 72 along the length direction of the rotating shaft 5 is smaller than the distance between the two vertical plates 871. Both ends of the rotating shaft 5 penetrate through the kidney-shaped groove 4, the sliding plate 81 is located below the rotating shaft 5, and one side, far away from the ground, of the sliding plate 81 is abutted to the side wall of the rotating shaft 5. In order to improve the fixing stability of the sliding plate 81, a locking bolt 813 is connected to the side wall of the sliding plate 81 through threads, the locking bolt 813 penetrates out of the sliding plate 81, one end, penetrating out of the sliding plate 81, of the locking bolt 813 is abutted to the bottom of the dovetail groove 8712, the locking bolt 813 is tightly abutted to the bottom of the dovetail groove 8712 through screwing the locking bolt 813, and then the fixing stability of the sliding plate 81 is improved.

The during operation, constructor unscrews locking bolt 813, make slide 81 and vertical board 871 remove the stationary state, constructor uses the hand towards 2 direction slide 81 of second jib, make slide 81 and pivot 5 break away from the butt state, pivot 5 is vertical gliding under self action of gravity, drive first straight rod 71 and slide towards ground direction, the one end that pivot 5 was kept away from to first straight rod 71 breaks away from the butt state with baffle 31, die-pin 7 is free flagging under self action of gravity, need not constructor to climb and remove baffle 31 and first straight rod 71's butt, and convenient for operation.

Referring to fig. 3 and 4, the same adjusting plate 87 as that of the first suspender 1 is installed at the end, far away from the floor 3, of the second suspender 2, the difference lies in that a sliding hole 22 penetrates through the side wall of the vertical plate 871 on the second suspender 2, the sliding hole 22 in the embodiment of the present application is a round hole, a limit pin 21 penetrates through the sliding hole 22, one end of the limit pin 21 is welded with a pin handle 211, the limit pin 21 is sleeved with a tension spring 213, one end of the tension spring 213 is welded and fixed with the vertical plate 871, and the other end is welded and fixed with the pin handle 211. The pin hole 212 penetrates through one end, far away from the rotating shaft 5, of the first straight rod 71, when the first straight rod 71 rotates to the horizontal state, the pin hole 212 is aligned with the sliding hole 22, the limiting pin 21 penetrates out of the pin hole 212 and the sliding hole 22, the first straight rod 71 is fixed on the second suspension rod 2, the air pipe body 6 is supported by the first straight rod 71 arranged horizontally, and the fixing stability of the air pipe body 6 is improved well.

Referring to fig. 2, in order to further improve the fixing stability of the air duct body 6, a clamping plate 814 is integrally formed on one side of the sliding plate 81, which is far away from the rotating shaft 5, the clamping plate 814 is perpendicular to the sliding plate 81, a bayonet 811 is formed on one side of the clamping plate 814, which faces the air duct body 6, a fixing plate 815 is welded on the side wall of the air duct body 6, a clamping block 812 corresponding to the bayonet 811 is welded on one side of the fixing plate 815, which faces the clamping plate 814, and the clamping block 812 is clamped with the bayonet 811. Slide 81 slides towards tuber pipe body 6 direction for bayonet 811 and fixture block 812 joint improve tuber pipe body 6 and first jib 1's fixed stability, reduce the risk that tuber pipe body 6 drops from first straight-bar 71 betterly.

Referring to fig. 4, when the air duct body 6 is installed to incline, in order to adjust the height of the air duct body 6, the first suspension rod 1 includes a fixing rod 11 fixed with the floor 3 through a bolt, a driving assembly 13 is installed on the fixing rod 11, the same fixing rod 11 and driving assembly 13 as those of the first suspension rod 1 are installed on the second suspension rod 2, and here, only the driving assembly 13 on the first suspension rod 1 is unfolded. The driving assembly 13 includes a sliding rod 12 coaxially sleeved on the fixing rod 11, and one end of the sliding rod 12 far away from the floor slab 3 is welded and fixed with the adjusting plate 87. The inner wall of the sliding rod 12 is provided with a guide groove 121, and the guide groove 121 extends along the length direction of the sliding rod 12. A guide block 122 corresponding to the guide groove 121 is welded to a side wall of one end of the fixing rod 11 away from the floor slab 3, and the guide block 122 can slide in the guide groove 121. The guide block 122 is slidably connected with the guide groove 121, so that the sliding smoothness of the sliding rod 12 can be improved.

Referring to fig. 4, the flange 123 is coaxially welded at one end of the sliding rod 12 facing the floor slab 3, the adjusting end cover 131 is coaxially sleeved on the sliding rod 12, a supporting platform 1311 clamped with the flange 123 is provided on the inner wall of the adjusting end cover 131, and the supporting platform 1311 is arranged along the circumferential direction of the adjusting end cover 131. One end of the adjusting end cover 131 far away from the supporting platform 1311 is provided with a sleeve hole 1312 for the fixing rod 11 to penetrate through. An inner thread is formed on the inner wall of the sleeve hole 1312, an outer thread matched with the inner thread is formed on the fixing rod 11 along the circumferential direction of the fixing rod 11, and the outer thread extends along the length direction of the fixing rod 11.

When the height of the air pipe body 6 needs to be adjusted, a constructor rotates the adjusting end cover 131 by hand, the adjusting end cover 131 is in threaded connection with the fixed rod 11, so that the sliding rod 12 slides in the vertical direction under the guiding action of the guide block 122, the length of the first suspender 1 is adjusted by adjusting the relative position of the fixed rod 11 and the sliding rod 12, and the height of the air pipe body 6 at the first suspender 1 is adjusted; and the other first suspender 1 and the second suspender 2 are sequentially adjusted according to the adjusting mode, so that the height of the air duct body 6 is adjusted, and the levelness of the air duct body 6 is improved.

The implementation principle of this application embodiment from locking-type tuber pipe gallows does: when a constructor installs the air pipe body 6, the constructor firstly fixes a plurality of first suspension rods 1 and second suspension rods 2 on a floor slab 3 through bolts, abuts against the baffle 31 at one end of the first straight rod 71 far away from the rotating shaft 5, and then pushes the air pipe body 6 to a set position by utilizing a pushing device. Constructor unscrews locking bolt 813 with the spanner, then slides slide plate 81 towards tuber pipe body 6 direction for fixture block 812 and bayonet 811 joint, slide plate 81 plays the pre-support effect to tuber pipe body 6. Meanwhile, the rotating shaft 5 is separated from the support of the sliding plate 81, the rotating shaft 5 falls along the length direction of the waist-shaped groove 4 under the action of the self gravity, the first straight rod 71 is driven to vertically fall, one end, far away from the rotating shaft 5, of the first straight rod 71 is separated from the baffle plate 31, the first straight rod 71 rotates around the rotating shaft 5, and the first straight rod 71 naturally falls. And finally, a constructor penetrates the end, far away from the rotating shaft 5, of the first straight rod 71 into the second suspender 2, the limiting pin 21 is clamped with the pin hole 212 under the tensile force action of the tension spring 213, and the first straight rod 71 supports the air pipe body 6, so that the fixing stability of the air pipe body 6 is further improved.

Example 2:

the embodiment of the application discloses from locking-type tuber pipe gallows. The difference from the example 1 is that: referring to fig. 5, the adjusting assembly 8 includes a driving shaft 85 rotatably coupled to the vertical plate 871, and a rotation axis of the driving shaft 85 is parallel to a rotation axis of the rotation shaft 5. The driving shaft 85 is coaxially sleeved with a gear 83, and the gear 83 is fixedly connected with the driving shaft 85 through a key. The side wall of vertical board 871 has been seted up and has been slided groove 8713, and the vertical direction setting of vertical board 871 is followed to groove 8713 that slides, and it has rack 84 to slide on the vertical board 871, and rack 84 has the lug towards the welding of one side of vertical board 871, lug and groove 8713 sliding connection that slides, rack 84 and gear 83 mesh. The rack 84 is welded with a slide block 82, and one side of the slide block 82 far away from the ground is abutted with the side surface of the rotating shaft 5. The rotation of the rotating shaft 5 drives the gear 83 to rotate, the gear 83 is meshed with the rack 84, the sliding block 82 is driven to slide along the vertical direction, and then the height of the rotating shaft 5 is adjusted.

Referring to fig. 5, in order to fix the rotating shaft 5, the rotating wheel 86 is welded and fixed at one end of the driving shaft 85 away from the vertical plate 871, a plurality of positioning notches 861 are formed in the rotating wheel 86, and the positioning notches 861 are circumferentially arrayed along the outer circumferential side wall of the rotating wheel 86. A limiting rod 862 is glued on the vertical plate 871, and one end, far away from the vertical plate 871, of the limiting rod 862 is clamped with the positioning notch 861. The limiting rod 862 is clamped with the positioning notch 861, so that the rotating wheel 86 can be prevented from rotating, the driving shaft 85 is further prevented from rotating, and the fixing stability of the rotating shaft 5 is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a from locking-type tuber pipe gallows, includes a plurality of first jib (1), second jib (2), first jib (1) and second jib (2) all with floor (3) fixed connection, its characterized in that: a kidney-shaped groove (4) is formed in one end, away from the floor (3), of the first suspender (1), a rotating shaft (5) is arranged in the kidney-shaped groove (4), a supporting rod (7) used for supporting the air duct body (6) is rotatably connected to the rotating shaft (5), a baffle (31) is fixedly connected to the floor (3), the baffle (31) is abutted to one end, away from the rotating shaft (5), of the supporting rod (7), and an adjusting assembly (8) used for adjusting the height of the rotating shaft (5) is arranged on the first suspender (1); the adjusting assembly (8) comprises a sliding plate (81) in sliding connection with the first hanging rod (1), and one end of the rotating shaft (5) penetrating through the first hanging rod (1) is abutted to the sliding plate (81); a bayonet (811) is arranged at one end of the sliding plate (81) far away from the rotating shaft (5), and a clamping block (812) used for being clamped with the bayonet (811) is arranged on the air pipe body (6); or the adjusting assembly (8) comprises a sliding block (82) connected with the first suspender (1) in a sliding manner, the sliding block (82) is arranged along the length direction of the kidney-shaped groove (4), the sliding block (82) is fixedly connected with a rack (84), and the first suspender (1) is rotatably connected with a gear (83); the rotary wheel type suspension device is characterized in that a driving gear (83) is connected to the first suspension rod (1) in a rotating mode, a plurality of positioning notches (861) are formed in the rotary wheel (86), a limiting rod (862) is hinged to the first suspension rod (1), and the limiting rod (862) is connected with the positioning notches (861) in a clamping mode.

2. The self-locking air duct hanger according to claim 1, wherein: the rotary wheel type suspension device is characterized in that a driving gear (83) is connected to the first suspension rod (1) in a rotating mode, a plurality of positioning notches (861) are formed in the rotary wheel (86), a limiting rod (862) is hinged to the first suspension rod (1), and the limiting rod (862) is connected with the positioning notches (861) in a clamping mode.

3. The self-locking air duct hanger according to claim 1, wherein: the one end that floor (3) were kept away from in second jib (2) is equipped with spacer pin (21), pivot (5) was kept away from with die-pin (7) one end is pegged graft in spacer pin (21).

4. The self-locking air duct hanger of claim 1, wherein: the first suspender (1) comprises a fixed rod (11) and a sliding rod (12) which is connected with the fixed rod (11) in a sliding mode, and a driving assembly (13) which drives the sliding rod (12) to slide is arranged on the fixed rod (11).

5. The self-locking air duct hanger of claim 4, wherein: drive assembly (13) include with slide bar (12) rotate the regulation end cover (131) of being connected, adjust end cover (131) and dead lever (11) threaded connection, be equipped with guide block (122) on dead lever (11), be equipped with on slide bar (12) and be used for supplying gliding guide way (121) of guide block (122).