CN212714889U

CN212714889U - Rapid sampling instrument for detecting compactness of water stabilization base layer

Info

Publication number: CN212714889U
Application number: CN202021333874.6U
Authority: CN
Inventors: 刘剑; 洪萍; 袁中回; 刘强; 肖子坚; 吴朵华
Original assignee: Guangdong Chenghao Engineering Project Management Co ltd
Current assignee: Guangdong Chenghao Engineering Project Management Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-16
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a steady basic unit compactness of water detects quick sample appearance, which comprises a frame, be provided with the fixed plate in the frame with liftable, the fixed plate is connected with the sampling tube that the bottom is the opening setting, the opening part of sampling tube is provided with the blade holder, can dismantle on the blade holder and be provided with the blade, the blade includes tool bit and dovetail handle of a knife, the vertical joint of having seted up of lateral wall of blade holder cooperate in the dovetail of handle of a knife, dovetail top-down is the setting of closing up, the week side of blade holder is provided with and is used for fixing the fastening components of handle of a knife, this application has the effect that can dismantle the change blade.

Description

Rapid sampling instrument for detecting compactness of water stabilization base layer

Technical Field

The application relates to the technical field of compactness detection, in particular to a rapid sampling instrument for compactness detection of a cement stabilized base layer.

Background

The compaction degree is also called compaction degree, and refers to the ratio of the dry density of soil or other road building materials after compaction to the standard maximum dry density, and the compaction quality of a roadbed and a pavement is one of the most important internal indexes for the management of the construction quality of road engineering. The method for detecting the compaction degree of the roadbed water stabilization layer comprises a sand filling method, a cutting ring method, a nucleon instrument method, a core drilling method and the like. The main method for detecting the compactness of the pavement cement stabilized base layer by a construction party at present is a sand filling method, and the pavement cement stabilized base layer needs to be sampled in the implementation of the sand filling method.

At present, when using the sand filling method to detect the compactness and need take a sample, need the sampling test appearance to take a sample, current sampling test appearance generally includes the frame, installs the bottom in the frame with liftable and is the sampler barrel that the opening set up, and the opening part of sampler barrel is equipped with the blade that is used for cutting the soil layer, still installs in the frame and is used for driving sampler barrel pivoted driving motor. During the sample, so that the blade supports tight soil layer through pushing down the sampler barrel, driving motor drive sampler barrel rotates, and the blade plays the cutting action to the soil layer, and the in-process of cutting pushes down the sampler barrel, and then takes a sample to the soil body.

However, in the prior art, the sampling cylinder and the blade are usually integrally formed, the blade is easily worn during the sampling process, and when the blade is worn and loses normal working capacity, the sampling cylinder is not easily replaced, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient defect of current sampler barrel change, this application provides a steady basic unit compactness of water detects quick sample appearance.

The application provides a pair of metastable basic level compactness detects quick sample appearance adopts following technical scheme:

the utility model provides a steady basic unit compactness of water detects quick sample appearance, which comprises a frame, be provided with the fixed plate in the frame with liftable, the fixed plate is connected with the sampling tube that the bottom is the opening setting, the opening part of sampling tube is provided with the blade holder, can dismantle on the blade holder and be provided with the blade, the blade includes tool bit and dovetail handle of a knife, the vertical joint of having seted up of lateral wall of blade holder cooperate in the dovetail of handle of a knife, dovetail top-down is the setting of binding off, the week side of blade holder is provided with and is used for fixing the fastening components of handle of a knife.

By adopting the technical scheme, the blade is detachably arranged on the cutter holder, so that the blade can be replaced when worn, and compared with a mode that the blade and the sampling cylinder are integrally formed, the blade is more convenient to replace; when the blade is worn, the fastening assembly can be unlocked, and then the blade is pulled to separate the tool shank from the dovetail groove, so that the blade is detached; when the blade is installed, the handle of the new blade can be clamped into the dovetail groove, the dovetail groove is closed from top to bottom, and after the blade is clamped and matched with the dovetail groove through the handle of the blade, the blade is stressed stably in the vertical direction.

Preferably, the fastening assembly comprises a fastening sleeve sleeved on the tool apron, an internal thread is formed on the inner side wall of the fastening sleeve, and an external thread in threaded fit with the internal thread is formed on the peripheral side of the tool apron.

Through adopting above-mentioned technical scheme, through having seted up the external screw thread in the week side of blade holder, threaded connection has the adapter sleeve on the blade holder, and it is spacing to carry out the horizontal direction to the blade of installing on the blade holder, realizes handle of a knife and blade holder fixed connection on the blade holder.

Preferably, an annular clamping groove is formed in the tool apron and located at one end, far away from the dovetail groove, of the tool apron, and an annular clamping block which is clamped and matched with the clamping groove is arranged on the sampling cylinder.

Through adopting above-mentioned technical scheme, set up the annular groove on the blade holder and connect the cooperation of annular fixture block joint on the sampler barrel, counterpoint blade holder and sampler barrel.

Preferably, one end of the tool apron close to the sampling cylinder is provided with an elastic clamping hook, and the side wall of the sampling cylinder is provided with a fixing groove in clamping fit with the elastic clamping hook.

Through adopting above-mentioned technical scheme, when the installation blade holder, through set up the fixed slot on the sampler barrel and fix the cooperation of elasticity pothook joint on the blade holder, to the preinstallation of blade holder, made things convenient for follow-up blade holder and sampler barrel fixed connection.

Preferably, the elasticity pothook includes the elastic component who is connected with the blade holder and connect in the elastic component is kept away from the portion of holding that colludes of the one end of blade holder, be provided with first guide face in the portion of holding that colludes, be provided with in the fixed slot and collude and hold the piece, the bottom of colluding holding the piece be provided with first guide face matched with second guide face.

Through adopting above-mentioned technical scheme, when elasticity pothook and fixed slot looks joint cooperation, when elasticity pothook and sampler barrel looks butt, first guide face and second guide face are inconsistent, because extrusion force between the two, the elastic component is outwards bent, when continuing upwards the lock blade holder, colludes the portion of holding and can collude and hold a block joint, and the elastic component resilience this moment, elasticity pothook joint cooperates in the fixed slot.

Preferably, the side wall of the tool apron is provided with a through hole, the through hole is provided with a bolt, the side wall of the fixture block is provided with a threaded hole corresponding to the through hole, and the bolt penetrates through the through hole and is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, when carrying out fixed connection to tool holder and sampler barrel, the bolt runs through the screw hole threaded connection on perforation and the fixture block to make the fixed connection of tool holder and sampler barrel.

Preferably, a pair of magnets which attract each other is arranged between the tool shank and the dovetail groove.

By adopting the technical scheme, the magnet is arranged in the dovetail groove, the handle is connected with the magnet, and when the blade is arranged, the blade is pre-fixed through the attraction force between the blade and the handle.

Preferably, the vertical lead screw that is provided with in the frame, the lead screw run through and threaded connection in the one end of fixed plate, be provided with in the frame and be used for the drive lead screw pivoted first driving motor, be provided with on the fixed plate and be used for the drive sampler barrel pivoted second driving motor.

Through adopting above-mentioned technical scheme, first driving motor drives the lead screw and rotates to the drive is connected and is reciprocated in the fixed plate of lead screw, and simultaneously, the second motor drives the sampler barrel and rotates, thereby cuts the sample to the steady basic unit of water.

Preferably, a vertical guide rod is further arranged on the rack and penetrates through one end, far away from the screw rod, of the fixing plate.

Through adopting above-mentioned technical scheme, the guide bar is installed to the other end of fixed plate, plays the location guide effect to the fixed plate.

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

1. the blade is detachably arranged on the cutter holder, so that the blade can be replaced when the blade is worn, and compared with a mode that the blade and the sampling cylinder are integrally formed, the blade is more convenient to replace; when the blade is worn, the fastening assembly can be unlocked, and then the blade is pulled to separate the tool shank from the dovetail groove, so that the blade is detached; when the blade is installed, the handle of the new blade can be clamped into the dovetail groove, and the dovetail groove is closed from top to bottom, so that the blade is stressed stably in the vertical direction after the blade is clamped and matched with the dovetail groove through the handle;

2. when the tool apron is fixedly connected with the sampling cylinder, a clamping groove on the tool apron is in clamping fit with a clamping block on the sampling cylinder, and meanwhile, the tool apron and the sampling cylinder are pre-fixed through an elastic clamping hook connected to the tool apron and a pre-fixing groove on the sampling cylinder; then the bolt penetrates through a through hole formed in the tool apron and is in threaded connection with the threaded hole, so that the tool apron is fixedly connected with the sampling cylinder.

Drawings

FIG. 1 is an overall schematic view of the present embodiment;

fig. 2 is a schematic structural view of the sampling cylinder in this embodiment.

Description of reference numerals: 1. a frame; 1001. a base plate; 1002. a support bar; 2. a fixed seat; 201. anchoring and stabbing; 3. a first drive motor; 4. a screw rod; 5. a fixing plate; 6. a guide bar; 7. a second drive motor; 8. a connecting rod; 9. a sampling tube; 91. a clamping block; 911. a threaded hole; 92. fixing grooves; 93. a hooking block; 931. a second guide surface; 10. a tool apron; 101. a card slot; 102. a dovetail groove; 103. perforating; 11. an elastic hook; 111. an elastic portion; 112. a hooking part; 1121. a first guide surface; 12. a bolt; 13. a blade; 131. a knife handle; 132. a cutter head; 14. and (7) fastening sleeves.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The utility model provides a water stabilization base compactness detects quick sample appearance, refers to fig. 1, including frame 1, frame 1 includes the bottom plate 1001 of cuboid form and two bracing pieces 1002 that are used for supporting bottom plate 1001. The top fixed connection of bracing piece 1002 is in bottom plate 1001, the bottom fixedly connected with fixing base 2 of bracing piece 1002, and the bottom surface fixedly connected with anchor thorn 201 of fixing base 2 before taking a sample to the steady basic unit of water, can prick anchor thorn 201 on the fixing base 2 subaerial, fix a position fixedly to frame 1.

A first driving motor 3 is fixedly mounted on the bottom plate 1001, an output shaft of the first driving motor 3 is vertically and upwardly arranged, and a lead screw 4 which is vertically arranged is fixedly connected to the output shaft of the first driving motor 3. The bottom plate 1001 is provided with a fixing plate 5, and the screw rod 4 penetrates through and is in threaded connection with one end of the fixing plate 5. The bottom plate 1001 is further provided with a vertical guide rod 6, the guide rod 6 is parallel to the screw rod 4, and the guide rod 6 penetrates through one end, far away from the screw rod 4, of the fixing plate 5.

The upper surface of the fixed plate 5 is provided with a second driving motor 7, and an output shaft of the second driving motor 7 penetrates through the lower surface of the fixed plate 5 downwards. The output shaft of second driving motor 7 is connected with connecting rod 8, and the bottom of connecting rod 8 is connected with sampling tube 9.

Referring to fig. 2, the bottom of the sampling tube 9 is provided with an opening, the opening of the sampling tube 9 is detachably connected with an annular tool apron 10, a side end face of the tool apron 10 starts to have an annular clamping groove 101 along the circumferential direction of the tool apron 10, and the opening of the sampling tube 9 is integrally formed with an annular clamping block 91 which is clamped and matched with the clamping groove 101.

Referring to fig. 2, two sets of elastic hooks 11 are further mounted on the tool holder 10, and each elastic hook 11 includes an elastic portion 111 connected to the tool holder 10 and a hooking portion 112 connected to one end of the elastic portion 111 far away from the tool holder 10. A fixing groove 92 is formed in the side wall of the sampling tube 9 near the opening, and hooking blocks 93 which are mutually hooked and matched are arranged in the fixing groove 92.

Referring to fig. 2, the hooking portion 112 has a first guide surface 1121, the hooking block 93 has a second guide surface 931 matching with the first guide surface 1121, and the first guide surface and the second guide surface 931 abut against each other and slide each other. When the tool holder 10 is fixed, the elastic hook 11 connected to the tool holder 10 is engaged with the pre-fixing groove 92 at the opening of the sampling tube 9. When the elastic hook 11 abuts against the hooking block 93, the first guiding surface 1121 abuts against the second guiding surface 931, the elastic portion 111 is bent outward due to the pressing force between the two, and when the tool holder 10 is continuously fastened upward until the first guiding surface 1121 and the second guiding surface 931 are separated, the elastic portion 111 rebounds, and the hooking portion is engaged with the hooking block so that the elastic hook 11 is engaged with the fixing groove 92.

Referring to fig. 2, a through hole 103 is formed in the opening of the tool apron 10, the side wall of the annular clamping block 91 is provided with a threaded hole 911, a bolt 12 penetrates through the threaded hole 911, and when the clamping block 91 on the tool apron 10 is in clamping fit with the clamping groove 101 on the sampling cylinder 9, the bolt 12 penetrates through the through hole 103 and is in threaded fit with the threaded hole 911 on the projection, so that the tool apron 10 is fixedly connected with the sampling cylinder 9.

The blade holder 10 is detachably connected with a blade 13, the blade 13 comprises a blade head 132 and a dovetail-shaped tool shank 131, dovetail grooves 102 are uniformly formed in the peripheral side of the blade holder 10, the dovetail grooves 102 are closed from top to bottom, and the tool shank 131 is in clamping fit with the dovetail grooves 102 to limit the tool shank 131 to move in the vertical direction. In addition, a magnet is provided on the surface of the dovetail groove 102 contacting the blade 13 to attract each other.

Referring to fig. 2, a fastening assembly is further disposed on the circumferential side of the tool apron 10, the fastening assembly includes a fastening sleeve 14, the fastening sleeve 14 is sleeved on the tool apron 10, an internal thread is formed on an inner wall of the fastening sleeve 14, and an external thread matched with the internal thread is formed on the circumferential side of the tool apron 10. The tightening sleeve 14 moves the insert 13 horizontally by screwing it to the holder 10. At the same time, the bolt 12 on the tool holder 10 limits the fastening sleeve 14 from moving excessively in the vertical direction, preventing the fastening sleeve 14 from moving upward, so that the blade 13 is fixed more stably.

The working principle of this embodiment is as follows: when the blade 13 is worn and needs to be replaced, the fastening assembly can be unlocked, and then the blade 13 is pulled, so that the tool shank 131 is separated from the dovetail groove 102, and the blade 13 is detached; when the blade 13 is installed, the tool shank 131 of the blade 13 is matched with the dovetail groove 102 in a buckling mode, the dovetail groove 102 is arranged in a closing mode from top to bottom, so that the tool shank 131 is limited in the vertical direction, magnets which attract each other are arranged between the blade 13 and the dovetail groove 102, when the blade 13 is installed, the blade 13 can be pre-fixed, then the fastening sleeve 14 is screwed to the tool apron 10, and the tool shank 131 is limited in the horizontal direction. Finally, the tool apron 10 and the sampling cylinder 9 are aligned in a clamped manner through a clamping block 91 of a clamping groove 101, at the moment, the hooking part 112 of the elastic clamping hook 11 arranged on the tool apron 10 is hooked with the hooking block 93 in the fixing groove 92, the tool apron 10 is pre-fixed, and then the bolt 12 penetrates through the through hole 103 of the tool apron 10 and then is in threaded fit with the threaded hole 911 in the clamping block 91, so that the tool apron 10 is fixedly connected with the sampling cylinder 9.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the 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 steady basic level compactness of water detects quick sample appearance which characterized in that: including frame (1), be provided with fixed plate (5) on frame (1) liftable, fixed plate (5) are connected with sampling tube (9) that the bottom is the opening setting, the opening part of sampling tube (9) is provided with blade holder (10), can dismantle on blade holder (10) and be provided with blade (13), blade (13) include tool bit (132) and dovetail handle (131), the vertical joint of having seted up of lateral wall of blade holder (10) cooperates in dovetail (102) of handle of a knife (131), dovetail (102) top-down is the close-up setting, the week side of blade holder (10) is provided with and is used for fixing the fastening component of handle of a knife (131).

2. The metastable base compactness detection rapid sampling instrument of claim 1, characterized in that: the fastening assembly comprises a fastening sleeve (14) sleeved on the tool apron (10), internal threads are formed in the inner side wall of the fastening sleeve (14), and external threads matched with the internal threads are formed in the peripheral side of the tool apron (10) in a threaded mode.

3. The metastable base compactness detection rapid sampling instrument of claim 1, characterized in that: an annular clamping groove (101) is formed in the tool apron (10), the clamping groove (101) is located at one end, far away from the dovetail groove (102), of the tool apron (10), and an annular clamping block (91) which is in clamping fit with the clamping groove (101) is arranged on the sampling tube (9).

4. The metastable base compactness detection rapid sampling instrument of claim 1, characterized in that: one end of the tool apron (10) close to the sampling tube (9) is provided with an elastic clamping hook (11), and the side wall of the sampling tube (9) is provided with a fixing groove (92) which is clamped and matched with the elastic clamping hook (11).

5. The metastable base compactness detection rapid sampling instrument of claim 4, characterized in that: the elastic clamping hook (11) comprises an elastic part (111) connected with the tool apron (10) and a hooking part (112) connected with one end, far away from the tool apron (10), of the elastic part (111), a first guide surface (1121) is arranged on the hooking part (112), a hooking block (93) is arranged in the fixing groove (92), and a second guide surface (931) matched with the first guide surface (1121) is arranged at the bottom of the hooking block (93).

6. The metastable base compactness detection rapid sampling instrument of claim 3, characterized in that: the side wall of the tool apron (10) is provided with a through hole (103), a bolt (12) penetrates through the through hole (103), the side wall of the fixture block (91) is provided with a threaded hole (911) corresponding to the through hole (103), and the bolt (12) penetrates through the through hole (103) and then is in threaded connection with the threaded hole (911).

7. The metastable base compactness detection rapid sampling instrument of claim 1, characterized in that: a pair of magnets attracted with each other is arranged between the tool handle (131) and the dovetail groove (102).

8. The metastable base compactness detection rapid sampling instrument of claim 1, characterized in that: the vertical lead screw (4) that is provided with on frame (1), lead screw (4) run through and threaded connection in the one end of fixed plate (5), be provided with on frame (1) and be used for the drive lead screw (4) pivoted first driving motor (3), be provided with on fixed plate (5) and be used for the drive sampler barrel pivoted second driving motor (7).

9. The metastable base compactness detection rapid sampling instrument of claim 8, wherein: the frame (1) is further provided with a vertical guide rod (6), and the guide rod (6) penetrates through one end, far away from the screw rod (4), of the fixing plate (5).